Fixed an error in the formatted string in the translation.

.gitignore

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/27
 
 #  Copyright (c) 2022 imacat.

.readthedocs.yaml

@@ -0,0 +1,40 @@
+# The Mia! Accounting Project.
+# Author: imacat@mail.imacat.idv.tw (imacat), 2023/4/5
+
+#  Copyright (c) 2023 imacat.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+# .readthedocs.yaml
+# Read the Docs configuration file
+# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details
+
+# Required
+version: 2
+
+# Set the version of Python and other tools you might need
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
+# Build documentation in the docs/ directory with Sphinx
+
+# If using Sphinx, optionally build your docs in additional formats such as PDF
+formats: all
+
+# Optionally declare the Python requirements required to build your docs
+python:
+   install:
+   - method: pip
+     path: .

MANIFEST.in

@@ -1,4 +1,4 @@
-# The Mia! Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2022/8/21
 
 #  Copyright (c) 2022-2023 imacat.
@@ -15,17 +15,14 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 
+recursive-include src/accounting/static *
 exclude src/accounting/static/js/dummy.js
-include src/accounting/translations/*
-include src/accounting/translations/*/LC_MESSAGES/*
-include docs/*
-include docs/source/*
-include docs/source/_static/*
-include docs/source/_templates/*
-include tests/*
+recursive-include src/accounting/templates *
+recursive-include src/accounting/translations *
+recursive-include src/accounting/data *
+recursive-include docs *
+recursive-exclude docs/build *
+recursive-include tests *
 exclude tests/test_temp.py
-include tests/test_site/*
-include tests/test_site/static/*
-include tests/test_site/templates/*
-include tests/test_site/translations/*
-include tests/test_site/translations/*/LC_MESSAGES/*
+recursive-exclude tests *.pyc
+recursive-exclude tests/instance *

README.rst

@@ -1,24 +1,176 @@
-=====================
-Mia! Accounting Flask
-=====================
+===============
+Mia! Accounting
+===============
 
 
 Description
 ===========
 
-This is the Mia! Accounting Flask project.  It is an accounting
-module for the Flask_ applications.
+*Mia! Accounting* is an accounting module for Flask_ applications.
+It implements `double-entry bookkeeping`_, and generates the following
+accounting reports:
+
+* Trial balance
+* Income statement
+* Balance sheet
+
+In addition, *Mia! Accounting* tracks offsets for unpaid payables and
+receivables.
 
 
-Install
-=======
+Installation
+============
 
-Install the latest source from the
-`Mia! Accounting Flask repository`_.
+Install *Mia! Accounting* with ``pip``:
 
 ::
 
-    pip install git+https://gitea.imacat.idv.tw/imacat/mia-accounting-flask.git
+    pip install mia-accounting
+
+You may also download the from the `PyPI project page`_ or the
+`release page`_ on the `Git repository`_.
+
+
+Test Site and Live Demonstration
+================================
+
+You may find a working example in the `test site`_ in the
+`source distribution`_.  It is the simplest website that works with
+*Mia! Accounting*.  It is used in the automatic tests.  It is the same
+code run for `live demonstration`_.
+
+If you do not have a running Flask application or do not know how to
+start one, you may start with the test site.
+
+
+Prerequisites
+=============
+
+You need a running Flask application with database user login.
+The primary key of the user data model must be integer.
+
+The following front-end JavaScript libraries must be loaded.  You may
+download it locally or use CDN_.
+
+* Bootstrap_ 5.2.3 or above
+* FontAwesome_ 6.2.1 or above
+* `Decimal.js`_ 6.4.3 or above
+* `Tempus-Dominus`_ 6.4.3 or above
+
+
+Configuration
+=============
+
+You need to pass the Flask *app* and an implementation of
+`UserUtilityInterface`_ to the `init_app`_ function.
+``UserUtilityInterface`` contains everything *Mia! Accounting* needs.
+
+The following is an example configuration for *Mia! Accounting*.
+
+::
+
+    from flask import Response, redirect
+    from .auth import current_user()
+    from .modules import User
+
+    def create_app(test_config=None) -> Flask:
+        app: Flask = Flask(__name__)
+
+        ... (Configuration of SQLAlchemy, CSRF, Babel_JS, ... etc) ...
+
+        import accounting
+
+        class UserUtils(accounting.UserUtilityInterface[User]):
+
+            def can_view(self) -> bool:
+                return True
+
+            def can_edit(self) -> bool:
+                return "editor" in current_user().roles
+
+            def can_admin(self) -> bool:
+                return current_user().is_admin
+
+            def unauthorized(self) -> Response:
+                return redirect("/login")
+
+            @property
+            def cls(self) -> t.Type[User]:
+                return User
+
+            @property
+            def pk_column(self) -> Column:
+                return User.id
+
+            @property
+            def current_user(self) -> User | None:
+                return current_user()
+
+            def get_by_username(self, username: str) -> User | None:
+                return User.query.filter(User.username == username).first()
+
+            def get_pk(self, user: User) -> int:
+                return user.id
+
+        accounting.init_app(app, UserUtils())
+
+        ... (Any other configuration) ...
+
+        return app
+
+
+Database Initialization
+=======================
+
+After the configuration, you need to run
+`flask_sqlalchemy.SQLAlchemy.create_all`_ to create the
+database tables that *Mia! Accounting* uses.
+
+*Mia! Accounting* adds three console commands:
+
+* ``accounting-init-base``
+* ``accounting-init-accounts``
+* ``accounting-init-currencies``
+
+After database tables are created, run
+``accounting-init-base`` first, and then the other two commands.
+
+::
+
+    % flask --app myapp accounting-init-base
+    % flask --app myapp accounting-init-accounts
+    % flask --app myapp accounting-init-currencies
+
+
+Navigation Menu
+===============
+
+Include the navigation menu in the `Bootstrap navigation bar`_ in your
+base template:
+
+::
+
+    <nav class="navbar navbar-expand-lg bg-body-tertiary bg-dark navbar-dark">
+      <div class="container-fluid">
+        ...
+        <div id="collapsible-navbar" class="collapse navbar-collapse">
+          <ul class="navbar-nav me-auto mb-2 mb-lg-0">
+            ...
+            {% include "accounting/include/nav.html" %}
+            ...
+          </ul>
+          ...
+        </div>
+      </div>
+    </nav>
+
+Check your Flask application and see how it works.
+
+
+Documentation
+=============
+
+Refer to the `documentation on Read the Docs`_.
 
 
 Copyright
@@ -46,5 +198,22 @@ Authors
 | imacat@mail.imacat.idv.tw
 | 2023/1/27
 
+
 .. _Flask: https://flask.palletsprojects.com
-.. _Mia! Accounting Flask repository: https://gitea.imacat.idv.tw/imacat/mia-accounting-flask
+.. _double-entry bookkeeping: https://en.wikipedia.org/wiki/Double-entry_bookkeeping
+.. _test site: https://github.com/imacat/mia-accounting/tree/main/tests/test_site
+.. _source distribution: https://pypi.org/project/mia-accounting/#files
+.. _live demonstration: https://accounting.imacat.idv.tw
+.. _PyPI project page: https://pypi.org/project/mia-accounting
+.. _release page: https://github.com/imacat/mia-accounting/releases
+.. _Git repository: https://github.com/imacat/mia-accounting
+.. _CDN: https://en.wikipedia.org/wiki/Content_delivery_network
+.. _Bootstrap: https://getbootstrap.com
+.. _FontAwesome: https://fontawesome.com
+.. _Decimal.js: https://mikemcl.github.io/decimal.js
+.. _Tempus-Dominus: https://getdatepicker.com
+.. _UserUtilityInterface: https://mia-accounting.readthedocs.io/en/latest/accounting.utils.html#accounting.utils.user.UserUtilityInterface
+.. _init_app: https://mia-accounting.readthedocs.io/en/latest/accounting.html#accounting.init_app
+.. _flask_sqlalchemy.SQLAlchemy.create_all: https://flask-sqlalchemy.palletsprojects.com/en/3.0.x/api/#flask_sqlalchemy.SQLAlchemy.create_all
+.. _Bootstrap navigation bar: https://getbootstrap.com/docs/5.3/components/navbar/
+.. _documentation on Read the Docs: https://mia-accounting.readthedocs.io

docs/source/accounting.journal_entry.utils.rst

@@ -20,14 +20,6 @@ accounting.journal\_entry.utils.description\_editor module
    :undoc-members:
    :show-inheritance:
 
-accounting.journal\_entry.utils.offset\_alias module
-----------------------------------------------------
-
-.. automodule:: accounting.journal_entry.utils.offset_alias
-   :members:
-   :undoc-members:
-   :show-inheritance:
-
 accounting.journal\_entry.utils.operators module
 ------------------------------------------------
 

docs/source/accounting.report.reports.rst

@@ -60,6 +60,22 @@ accounting.report.reports.trial\_balance module
    :undoc-members:
    :show-inheritance:
 
+accounting.report.reports.unapplied module
+------------------------------------------
+
+.. automodule:: accounting.report.reports.unapplied
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
+accounting.report.reports.unapplied\_accounts module
+----------------------------------------------------
+
+.. automodule:: accounting.report.reports.unapplied_accounts
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
 Module contents
 ---------------
 

docs/source/accounting.report.utils.rst

@@ -52,6 +52,14 @@ accounting.report.utils.report\_type module
    :undoc-members:
    :show-inheritance:
 
+accounting.report.utils.unapplied module
+----------------------------------------
+
+.. automodule:: accounting.report.utils.unapplied
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
 accounting.report.utils.urls module
 -----------------------------------
 

docs/source/accounting.rst

@@ -13,6 +13,7 @@ Subpackages
    accounting.journal_entry
    accounting.option
    accounting.report
+   accounting.unmatched_offset
    accounting.utils
 
 Submodules

docs/source/accounting.unmatched_offset.rst

@@ -0,0 +1,29 @@
+accounting.unmatched\_offset package
+====================================
+
+Submodules
+----------
+
+accounting.unmatched\_offset.queries module
+-------------------------------------------
+
+.. automodule:: accounting.unmatched_offset.queries
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
+accounting.unmatched\_offset.views module
+-----------------------------------------
+
+.. automodule:: accounting.unmatched_offset.views
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
+Module contents
+---------------
+
+.. automodule:: accounting.unmatched_offset
+   :members:
+   :undoc-members:
+   :show-inheritance:

docs/source/accounting.utils.rst

@@ -44,6 +44,22 @@ accounting.utils.next\_uri module
    :undoc-members:
    :show-inheritance:
 
+accounting.utils.offset\_alias module
+-------------------------------------
+
+.. automodule:: accounting.utils.offset_alias
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
+accounting.utils.offset\_matcher module
+---------------------------------------
+
+.. automodule:: accounting.utils.offset_matcher
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
 accounting.utils.options module
 -------------------------------
 
@@ -92,6 +108,14 @@ accounting.utils.strip\_text module
    :undoc-members:
    :show-inheritance:
 
+accounting.utils.unapplied module
+---------------------------------
+
+.. automodule:: accounting.utils.unapplied
+   :members:
+   :undoc-members:
+   :show-inheritance:
+
 accounting.utils.user module
 ----------------------------
 

docs/source/conf.py

@@ -10,10 +10,10 @@ sys.path.insert(0, os.path.abspath('../../src/'))
 # -- Project information -----------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#project-information
 
-project = 'Mia! Accounting Flask'
+project = 'Mia! Accounting'
 copyright = '2023, imacat'
 author = 'imacat'
-release = '0.9.1'
+release = '1.1.0'
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration

docs/source/examples.rst

@@ -0,0 +1,61 @@
+Examples
+========
+
+
+.. _example-userutils:
+
+An Example Configuration
+------------------------
+
+The following is an example configuration for *Mia! Accounting*.
+
+::
+
+    from flask import Response, redirect
+    from .auth import current_user()
+    from .modules import User
+
+    def create_app(test_config=None) -> Flask:
+        app: Flask = Flask(__name__)
+
+        ... (Configuration of SQLAlchemy, CSRF, Babel_JS, ... etc) ...
+
+        import accounting
+
+        class UserUtils(accounting.UserUtilityInterface[User]):
+
+            def can_view(self) -> bool:
+                return True
+
+            def can_edit(self) -> bool:
+                return "editor" in current_user().roles
+
+            def can_admin(self) -> bool:
+                return current_user().is_admin
+
+            def unauthorized(self) -> Response:
+                return redirect("/login")
+
+            @property
+            def cls(self) -> t.Type[User]:
+                return User
+
+            @property
+            def pk_column(self) -> Column:
+                return User.id
+
+            @property
+            def current_user(self) -> User | None:
+                return current_user()
+
+            def get_by_username(self, username: str) -> User | None:
+                return User.query.filter(User.username == username).first()
+
+            def get_pk(self, user: User) -> int:
+                return user.id
+
+        accounting.init_app(app, UserUtils())
+
+        ... (Any other configuration) ...
+
+        return app

docs/source/history.rst

@@ -0,0 +1,57 @@
+History
+=======
+
+I created my own private accounting application in Perl_/mod_perl_ in
+2007, as part of my personal website.  The first revision was made
+using Perl/Mojolicious_ in 2019, with the aim of making it
+mobile-friendly using Bootstrap_, and with modern back-end and
+front-end technologies such as jQuery.
+
+The second revision was done in Python_/Django_ in 2020, as I was
+looking to change my career from PHP_/Laravel_ to Python, but lacked
+experience with large Python projects.  I needed something in my
+portfolio and decided to work on the somewhat outdated Mojolicious
+project.
+
+Despite having no prior experience with Django, I spent two months
+working late nights to create the `Mia! Accounting Django`_
+application.  It took me another 1.5 months to make it an independent
+module, which I later released as an open source project on PyPI.
+
+The application worked nicely for my household bookkeeping for two
+years.  However, new demands arose over time, especially with tracking
+payables and receivables.  This was critical `during the pandemic`_ as
+more payments were made online with credit cards.
+
+The biggest issue I encountered was with
+`Django's MTV architectural pattern`_.  Django takes over the control
+flow.  I had to override several parts of the `class-based views`_ for
+different but yet simple control flow logic.  In the end, it became
+very difficult to track whether things went wrong because I overrode
+something or because it just wouldn't work with the basic assumption
+of the class-based views.  By the time I realized it, it was too late
+for me to drop Django's MTV and rewrite everything from class-based
+views to function-based views.
+
+Therefore, I decided to turn to microframeworks_ like Flask_.   After
+working with modularized Flask and FastAPI_ applications for two
+years, I returned to the project and wrote its third revision using
+Flask in 2023.
+
+
+.. _Perl: https://www.perl.org
+.. _mod_perl: https://perl.apache.org
+.. _Mojolicious: https://mojolicious.org
+.. _Bootstrap: https://getbootstrap.com
+.. _jQuery: https://jquery.com
+.. _Python: https://www.python.org
+.. _Django: https://www.djangoproject.com
+.. _PHP: https://www.php.net
+.. _Laravel: https://laravel.com
+.. _Mia! Accounting Django: https://github.com/imacat/mia-accounting-django
+.. _during the pandemic: https://en.wikipedia.org/wiki/COVID-19_pandemic
+.. _FastAPI: https://fastapi.tiangolo.com
+.. _Django's MTV architectural pattern: https://docs.djangoproject.com/en/dev/faq/general/#django-appears-to-be-a-mvc-framework-but-you-call-the-controller-the-view-and-the-view-the-template-how-come-you-don-t-use-the-standard-names
+.. _class-based views: https://docs.djangoproject.com/en/4.2/topics/class-based-views/
+.. _microframeworks: https://en.wikipedia.org/wiki/Microframework
+.. _Flask: https://flask.palletsprojects.com

docs/source/index.rst

@@ -1,15 +1,20 @@
-.. Mia! Accounting Flask documentation master file, created by
+.. Mia! Accounting documentation master file, created by
    sphinx-quickstart on Fri Jan 27 12:20:04 2023.
    You can adapt this file completely to your liking, but it should at least
    contain the root `toctree` directive.
 
-Welcome to Mia! Accounting Flask's documentation!
-=================================================
+Welcome to Mia! Accounting's documentation!
+===========================================
 
 .. toctree::
    :maxdepth: 2
    :caption: Contents:
 
+   intro
+   accounting
+   examples
+   history
+
 
 
 Indices and tables

docs/source/intro.rst

@@ -0,0 +1,136 @@
+Introduction
+============
+
+*Mia! Accounting* is an accounting module for Flask_ applications.
+It implements `double-entry bookkeeping`_, and generates the following
+accounting reports:
+
+* Trial balance
+* Income statement
+* Balance sheet
+
+In addition, *Mia! Accounting* tracks offsets for unpaid payables and
+receivables.
+
+
+Installation
+------------
+
+Install *Mia! Accounting* with ``pip``:
+
+::
+
+    pip install mia-accounting
+
+You may also download the from the `PyPI project page`_ or the
+`release page`_ on the `Git repository`_.
+
+
+Test Site and Live Demonstration
+--------------------------------
+
+You may find a working example in the `test site`_ in the
+`source distribution`_.  It is the simplest website that works with
+*Mia! Accounting*.  It is used in the automatic tests.  It is the same
+code run for `live demonstration`_.
+
+If you do not have a running Flask application or do not know how to
+start one, you may start with the test site.
+
+
+Prerequisites
+-------------
+
+You need a running Flask application with database user login.
+The primary key of the user data model must be integer.
+
+The following front-end JavaScript libraries must be loaded.  You may
+download it locally or use CDN_.
+
+* Bootstrap_ 5.2.3 or above
+* FontAwesome_ 6.2.1 or above
+* `Decimal.js`_ 6.4.3 or above
+* `Tempus-Dominus`_ 6.4.3 or above
+
+
+Configuration
+-------------
+
+You need to pass the Flask *app* and an implementation of
+:py:class:`accounting.utils.user.UserUtilityInterface` to the
+:py:func:`accounting.init_app` function.  ``UserUtilityInterface``
+contains everything *Mia! Accounting* needs.
+
+See an example in :ref:`example-userutils`.
+
+
+Database Initialization
+-----------------------
+
+After the configuration, you need to run
+`flask_sqlalchemy.SQLAlchemy.create_all`_ to create the
+database tables that *Mia! Accounting* uses.
+
+*Mia! Accounting* adds three console commands:
+
+* ``accounting-init-base``
+* ``accounting-init-accounts``
+* ``accounting-init-currencies``
+
+After database tables are created, run
+``accounting-init-base`` first, and then the other two commands.
+
+::
+
+    % flask --app myapp accounting-init-base
+    % flask --app myapp accounting-init-accounts
+    % flask --app myapp accounting-init-currencies
+
+
+Navigation Menu
+---------------
+
+Include the navigation menu in the `Bootstrap navigation bar`_ in your
+base template:
+
+::
+
+    <nav class="navbar navbar-expand-lg bg-body-tertiary bg-dark navbar-dark">
+      <div class="container-fluid">
+        ...
+        <div id="collapsible-navbar" class="collapse navbar-collapse">
+          <ul class="navbar-nav me-auto mb-2 mb-lg-0">
+            ...
+            {% include "accounting/include/nav.html" %}
+            ...
+          </ul>
+          ...
+        </div>
+      </div>
+    </nav>
+
+Check your Flask application and see how it works.
+
+
+Documentation
+-------------
+
+Refer to the `documentation on Read the Docs`_.
+
+
+.. _Flask: https://flask.palletsprojects.com
+.. _double-entry bookkeeping: https://en.wikipedia.org/wiki/Double-entry_bookkeeping
+.. _test site: https://github.com/imacat/mia-accounting/tree/main/tests/test_site
+.. _source distribution: https://pypi.org/project/mia-accounting/#files
+.. _live demonstration: https://accounting.imacat.idv.tw
+.. _PyPI project page: https://pypi.org/project/mia-accounting
+.. _release page: https://github.com/imacat/mia-accounting/releases
+.. _Git repository: https://github.com/imacat/mia-accounting
+.. _CDN: https://en.wikipedia.org/wiki/Content_delivery_network
+.. _Bootstrap: https://getbootstrap.com
+.. _FontAwesome: https://fontawesome.com
+.. _Decimal.js: https://mikemcl.github.io/decimal.js
+.. _Tempus-Dominus: https://getdatepicker.com
+.. _flask_sqlalchemy.SQLAlchemy.create_all: https://flask-sqlalchemy.palletsprojects.com/en/3.0.x/api/#flask_sqlalchemy.SQLAlchemy.create_all
+.. _Bootstrap navigation bar: https://getbootstrap.com/docs/5.3/components/navbar/
+.. _documentation on Read the Docs: https://mia-accounting.readthedocs.io

pyproject.toml

@@ -1,7 +1,7 @@
-# The Mia! Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2022/8/21
 
-#  Copyright (c) 2022 imacat.
+#  Copyright (c) 2022-2023 imacat.
 #
 #  Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
@@ -15,6 +15,51 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 
+[project]
+name = "mia-accounting"
+version = "1.1.0"
+description = "A Flask accounting module."
+readme = "README.rst"
+requires-python = ">=3.11"
+authors = [
+    {name = "imacat", email = "imacat@mail.imacat.idv.tw"},
+]
+keywords = ["mia", "accounting", "flask"]
+classifiers = [
+    "Programming Language :: Python :: 3",
+    "License :: OSI Approved :: Apache Software License",
+    "Operating System :: OS Independent",
+    "Framework :: Flask",
+    "Topic :: Office/Business :: Financial :: Accounting",
+]
+dependencies = [
+    "flask",
+    "Flask-SQLAlchemy",
+    "Flask-WTF",
+    "Flask-Babel >= 3",
+    "Flask-Babel-JS",
+]
+
+[project.optional-dependencies]
+test = [
+    "unittest",
+    "httpx",
+    "OpenCC",
+]
+
+[project.urls]
+"Documentation" = "https://mia-accounting.readthedocs.io"
+"Repository" = "https://github.com/imacat/mia-accounting"
+"Bug Tracker" = "https://github.com/imacat/mia-accounting/issues"
+"Demonstration" = "https://accounting.imacat.idv.tw"
+
 [build-system]
 requires = ["setuptools>=42"]
 build-backend = "setuptools.build_meta"
+
+[tool.setuptools.exclude-package-data]
+"*" = [
+    "babel.cfg",
+    "*.pot",
+    "*.po",
+]

setup.cfg

@@ -1,56 +0,0 @@
-# The Mia! Flask Project.
-# Author: imacat@mail.imacat.idv.tw (imacat), 2022/8/21
-
-#  Copyright (c) 2022-2023 imacat.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-
-[metadata]
-name = mia-accounting-flask
-version = 0.9.1
-author = imacat
-author_email = imacat@mail.imacat.idv.tw
-description = The Mia! Accounting Flask project.
-long_description = file: README.rst
-long_description_content_type = text/x-rst
-url = https://github.com/imacat/mia-accounting-flask
-project_urls =
-    Bug Tracker = https://github.com/imacat/mia-accounting-flask/issues
-classifiers =
-    Programming Language :: Python :: 3
-    License :: OSI Approved :: Apache Software License
-    Operating System :: OS Independent
-    Framework :: Flask
-    Topic :: Office/Business :: Financial :: Accounting
-
-[options]
-package_dir =
-    = src
-python_requires = >=3.11
-install_requires =
-  flask
-  Flask-SQLAlchemy
-  Flask-WTF
-  Flask-Babel >= 3
-  Flask-Babel-JS
-tests_require =
-  unittest
-  httpx
-  OpenCC
-
-[options.package_data]
-accounting =
-  static/**
-  templates/**
-  translations/*/LC_MESSAGES/*.mo
-  data/**

src/accounting/__init__.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/25
 
 #  Copyright (c) 2023 imacat.
@@ -47,7 +47,6 @@ def init_app(app: Flask, user_utils: UserUtilityInterface,
     init_user_utils(user_utils)
 
     bp: Blueprint = Blueprint("accounting", __name__,
-                              url_prefix=url_prefix,
                               template_folder="templates",
                               static_folder="static")
 
@@ -84,9 +83,12 @@ def init_app(app: Flask, user_utils: UserUtilityInterface,
     journal_entry.init_app(app, bp)
 
     from . import report
-    report.init_app(app, bp)
+    report.init_app(app, url_prefix)
 
     from . import option
     option.init_app(bp)
 
-    app.register_blueprint(bp)
+    from . import unmatched_offset
+    unmatched_offset.init_app(bp)
+
+    app.register_blueprint(bp, url_prefix=url_prefix)

src/accounting/account/__init__.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/30
 
 #  Copyright (c) 2023 imacat.

src/accounting/account/commands.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/30
 
 #  Copyright (c) 2023 imacat.
@@ -108,15 +108,15 @@ def __is_need_offset(base_code: str) -> bool:
     """
     # Assets
     if base_code[0] == "1":
-        if base_code[:3] in {"113", "114", "118", "184"}:
+        if base_code[:3] in {"113", "114", "118", "184", "186"}:
             return True
-        if base_code in {"1411", "1421", "1431", "1441", "1511", "1521",
-                         "1581", "1611", "1851", ""}:
+        if base_code in {"1286", "1411", "1421", "1431", "1441", "1511",
+                         "1521", "1581", "1611", "1851"}:
             return True
         return False
     # Liabilities
     if base_code[0] == "2":
-        if base_code in {"2111", "2114", "2284", "2293"}:
+        if base_code in {"2111", "2114", "2284", "2293", "2861"}:
             return False
         return True
     # Only assets and liabilities need offset

src/accounting/account/converters.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/31
 
 #  Copyright (c) 2023 imacat.

src/accounting/account/forms.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/1
 
 #  Copyright (c) 2023 imacat.

src/accounting/account/queries.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/30
 
 #  Copyright (c) 2023 imacat.

src/accounting/account/views.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/30
 
 #  Copyright (c) 2023 imacat.

src/accounting/base_account/__init__.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/25
 
 #  Copyright (c) 2023 imacat.

src/accounting/base_account/commands.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/25
 
 #  Copyright (c) 2023 imacat.

src/accounting/base_account/converters.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/1
 
 #  Copyright (c) 2023 imacat.

src/accounting/base_account/queries.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/26
 
 #  Copyright (c) 2023 imacat.

src/accounting/base_account/views.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/26
 
 #  Copyright (c) 2023 imacat.
@@ -22,6 +22,7 @@ from flask import Blueprint, render_template
 from accounting.models import BaseAccount
 from accounting.utils.pagination import Pagination
 from accounting.utils.permission import has_permission, can_view
+from .queries import get_base_account_query
 
 bp: Blueprint = Blueprint("base-account", __name__)
 """The view blueprint for the base account management."""
@@ -34,7 +35,6 @@ def list_accounts() -> str:
 
     :return: The account list.
     """
-    from .queries import get_base_account_query
     accounts: list[BaseAccount] = get_base_account_query()
     pagination: Pagination = Pagination[BaseAccount](accounts)
     return render_template("accounting/base-account/list.html",

src/accounting/currency/__init__.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/6
 
 #  Copyright (c) 2023 imacat.

src/accounting/currency/commands.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/6
 
 #  Copyright (c) 2023 imacat.

src/accounting/currency/converters.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/6
 
 #  Copyright (c) 2023 imacat.

src/accounting/currency/forms.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/6
 
 #  Copyright (c) 2023 imacat.

src/accounting/currency/queries.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/6
 
 #  Copyright (c) 2023 imacat.

src/accounting/currency/views.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/6
 
 #  Copyright (c) 2023 imacat.
@@ -34,6 +34,7 @@ from accounting.utils.pagination import Pagination
 from accounting.utils.permission import has_permission, can_view, can_edit
 from accounting.utils.user import get_current_user_pk
 from .forms import CurrencyForm
+from .queries import get_currency_query
 
 bp: Blueprint = Blueprint("currency", __name__)
 """The view blueprint for the currency management."""
@@ -48,7 +49,6 @@ def list_currencies() -> str:
 
     :return: The currency list.
     """
-    from .queries import get_currency_query
     currencies: list[Currency] = get_currency_query()
     pagination: Pagination = Pagination[Currency](currencies)
     return render_template("accounting/currency/list.html",

src/accounting/forms.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/22
 
 #  Copyright (c) 2023 imacat.

src/accounting/journal_entry/__init__.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/18
 
 #  Copyright (c) 2023 imacat.

src/accounting/journal_entry/converters.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/19
 
 #  Copyright (c) 2023 imacat.
@@ -23,6 +23,7 @@ from flask import abort
 from sqlalchemy.orm import selectinload
 from werkzeug.routing import BaseConverter
 
+from accounting import db
 from accounting.models import JournalEntry, JournalEntryLineItem
 from accounting.utils.journal_entry_types import JournalEntryType
 
@@ -37,13 +38,7 @@ class JournalEntryConverter(BaseConverter):
         :param value: The journal entry ID.
         :return: The corresponding journal entry.
         """
-        journal_entry: JournalEntry | None = JournalEntry.query\
-            .join(JournalEntryLineItem)\
-            .filter(JournalEntry.id == value)\
-            .options(selectinload(JournalEntry.line_items)
-                     .selectinload(JournalEntryLineItem.offsets)
-                     .selectinload(JournalEntryLineItem.journal_entry))\
-            .first()
+        journal_entry: JournalEntry | None = db.session.get(JournalEntry, value)
         if journal_entry is None:
             abort(404)
         return journal_entry

src/accounting/journal_entry/forms/__init__.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/10
 
 #  Copyright (c) 2023 imacat.

src/accounting/journal_entry/forms/currency.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/10
 
 #  Copyright (c) 2023 imacat.
@@ -28,14 +28,13 @@ from wtforms.validators import DataRequired
 
 from accounting import db
 from accounting.forms import CurrencyExists
-from accounting.journal_entry.utils.offset_alias import offset_alias
 from accounting.locale import lazy_gettext
 from accounting.models import JournalEntryLineItem
 from accounting.utils.cast import be
+from accounting.utils.offset_alias import offset_alias
 from accounting.utils.strip_text import strip_text
 from .line_item import LineItemForm, CreditLineItemForm, DebitLineItemForm
 
-
 CURRENCY_REQUIRED: DataRequired = DataRequired(
     lazy_gettext("Please select the currency."))
 """The validator to check if the currency code is empty."""

src/accounting/journal_entry/forms/journal_entry.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/18
 
 #  Copyright (c) 2023 imacat.

src/accounting/journal_entry/forms/line_item.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/10
 
 #  Copyright (c) 2023 imacat.
@@ -31,7 +31,7 @@ from accounting import db
 from accounting.forms import ACCOUNT_REQUIRED, AccountExists, IsDebitAccount, \
     IsCreditAccount
 from accounting.locale import lazy_gettext
-from accounting.models import Account, JournalEntryLineItem
+from accounting.models import Account, JournalEntry, JournalEntryLineItem
 from accounting.template_filters import format_amount
 from accounting.utils.cast import be
 from accounting.utils.random_id import new_id
@@ -127,10 +127,8 @@ class KeepAccountWhenHavingOffset:
         assert isinstance(form, LineItemForm)
         if field.data is None or form.id.data is None:
             return
-        line_item: JournalEntryLineItem | None = db.session\
-            .query(JournalEntryLineItem)\
-            .filter(JournalEntryLineItem.id == form.id.data)\
-            .options(selectinload(JournalEntryLineItem.offsets)).first()
+        line_item: JournalEntryLineItem | None \
+            = db.session.get(JournalEntryLineItem, form.id.data)
         if line_item is None or len(line_item.offsets) == 0:
             return
         if field.data != line_item.account_code:
@@ -344,14 +342,13 @@ class LineItemForm(FlaskForm):
             def get_offsets() -> list[JournalEntryLineItem]:
                 if not self.is_need_offset or self.id.data is None:
                     return []
-                return JournalEntryLineItem.query\
+                return JournalEntryLineItem.query.join(JournalEntry)\
                     .filter(JournalEntryLineItem.original_line_item_id
                             == self.id.data)\
+                    .order_by(JournalEntry.date, JournalEntry.no,
+                              JournalEntryLineItem.no)\
                     .options(selectinload(JournalEntryLineItem.journal_entry),
-                             selectinload(JournalEntryLineItem.account),
-                             selectinload(JournalEntryLineItem.offsets)
-                             .selectinload(
-                                 JournalEntryLineItem.journal_entry)).all()
+                             selectinload(JournalEntryLineItem.account)).all()
             setattr(self, "__offsets", get_offsets())
         return getattr(self, "__offsets")
 

src/accounting/journal_entry/forms/reorder.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/10
 
 #  Copyright (c) 2023 imacat.

src/accounting/journal_entry/template_filters.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/25
 
 #  Copyright (c) 2023 imacat.

src/accounting/journal_entry/utils/__init__.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/10
 
 #  Copyright (c) 2023 imacat.

src/accounting/journal_entry/utils/account_option.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/10
 
 #  Copyright (c) 2023 imacat.

src/accounting/journal_entry/utils/description_editor.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/27
 
 #  Copyright (c) 2023 imacat.
@@ -36,12 +36,14 @@ class DescriptionAccount:
         :param account: The account.
         :param freq: The frequency of the tag with the account.
         """
-        self.account: Account = account
+        self.__account: Account = account
         """The account."""
         self.id: int = account.id
         """The account ID."""
         self.code: str = account.code
         """The account code."""
+        self.is_need_offset: bool = account.is_need_offset
+        """Whether the journal entry line items of this account need offset."""
         self.freq: int = freq
         """The frequency of the tag with the account."""
 
@@ -50,7 +52,7 @@ class DescriptionAccount:
 
         :return: The string representation of the account.
         """
-        return str(self.account)
+        return str(self.__account)
 
     def add_freq(self, freq: int) -> None:
         """Adds the frequency of an account.

src/accounting/journal_entry/utils/operators.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/19
 
 #  Copyright (c) 2023 imacat.

src/accounting/journal_entry/utils/original_line_items.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/10
 
 #  Copyright (c) 2023 imacat.
@@ -25,7 +25,7 @@ from sqlalchemy.orm import selectinload
 from accounting import db
 from accounting.models import Account, JournalEntry, JournalEntryLineItem
 from accounting.utils.cast import be
-from .offset_alias import offset_alias
+from accounting.utils.offset_alias import offset_alias
 
 
 def get_selectable_original_line_items(
@@ -72,11 +72,12 @@ def get_selectable_original_line_items(
     line_items: list[JournalEntryLineItem] = JournalEntryLineItem.query\
         .filter(JournalEntryLineItem.id.in_({x for x in net_balances}))\
         .join(JournalEntry)\
-        .order_by(JournalEntry.date, JournalEntryLineItem.is_debit,
-                  JournalEntryLineItem.no)\
+        .order_by(JournalEntry.date, JournalEntry.no,
+                  JournalEntryLineItem.is_debit, JournalEntryLineItem.no)\
         .options(selectinload(JournalEntryLineItem.currency),
                  selectinload(JournalEntryLineItem.account),
                  selectinload(JournalEntryLineItem.journal_entry)).all()
+    line_items.reverse()
     for line_item in line_items:
         line_item.net_balance = line_item.amount \
             if net_balances[line_item.id] is None \

src/accounting/journal_entry/views.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/18
 
 #  Copyright (c) 2023 imacat.
@@ -235,4 +235,4 @@ def __get_default_page_uri() -> str:
 
     :return: The URI for the default page.
     """
-    return url_for("accounting.report.default")
+    return url_for("accounting-report.default")

src/accounting/locale.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/25
 
 #  Copyright (c) 2023 imacat.

src/accounting/models.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/1/25
 
 #  Copyright (c) 2023 imacat.
@@ -21,7 +21,6 @@ from __future__ import annotations
 
 import re
 import typing as t
-from datetime import date
 from decimal import Decimal
 
 import sqlalchemy as sa
@@ -215,6 +214,25 @@ class Account(db.Model):
         """
         return not self.is_real
 
+    @property
+    def count(self) -> int:
+        """Returns the number of items in the account.
+
+        :return: The number of items in the account.
+        """
+        if not hasattr(self, "__count"):
+            setattr(self, "__count", 0)
+        return getattr(self, "__count")
+
+    @count.setter
+    def count(self, count: int) -> None:
+        """Sets the number of items in the account.
+
+        :param count: The number of items in the account.
+        :return: None.
+        """
+        setattr(self, "__count", count)
+
     @property
     def query_values(self) -> list[str]:
         """Returns the values to be queried.
@@ -661,12 +679,8 @@ class JournalEntryLineItem(db.Model):
                                       nullable=True)
     """The ID of the original line item."""
     original_line_item = db.relationship("JournalEntryLineItem",
-                                         back_populates="offsets",
                                          remote_side=id, passive_deletes=True)
     """The original line item."""
-    offsets = db.relationship("JournalEntryLineItem",
-                              back_populates="original_line_item")
-    """The offset items."""
     currency_code = db.Column(db.String,
                               db.ForeignKey(Currency.code, onupdate="CASCADE"),
                               nullable=False)
@@ -708,14 +722,6 @@ class JournalEntryLineItem(db.Model):
         """
         return self.account.code
 
-    @property
-    def debit(self) -> Decimal | None:
-        """Returns the debit amount.
-
-        :return: The debit amount, or None if this is not a debit line item.
-        """
-        return self.amount if self.is_debit else None
-
     @property
     def is_need_offset(self) -> bool:
         """Returns whether the line item needs offset.
@@ -730,6 +736,14 @@ class JournalEntryLineItem(db.Model):
             return False
         return True
 
+    @property
+    def debit(self) -> Decimal | None:
+        """Returns the debit amount.
+
+        :return: The debit amount, or None if this is not a debit line item.
+        """
+        return self.amount if self.is_debit else None
+
     @property
     def credit(self) -> Decimal | None:
         """Returns the credit amount.
@@ -759,6 +773,40 @@ class JournalEntryLineItem(db.Model):
         """
         setattr(self, "__net_balance", net_balance)
 
+    @property
+    def offsets(self) -> list[t.Self]:
+        """Returns the offset items.
+
+        :return: The offset items.
+        """
+        if not hasattr(self, "__offsets"):
+            cls: t.Type[t.Self] = self.__class__
+            offsets: list[t.Self] = cls.query.join(JournalEntry)\
+                .filter(JournalEntryLineItem.original_line_item_id == self.id)\
+                .order_by(JournalEntry.date, JournalEntry.no,
+                          cls.is_debit, cls.no).all()
+            setattr(self, "__offsets", offsets)
+        return getattr(self, "__offsets")
+
+    @property
+    def match(self) -> t.Self | None:
+        """Returns the match of the line item.
+
+        :return: The match of the line item.
+        """
+        if not hasattr(self, "__match"):
+            setattr(self, "__match", None)
+        return getattr(self, "__match")
+
+    @match.setter
+    def match(self, match: t.Self) -> None:
+        """Sets the match of the line item.
+
+        :param match: The matcho of the line item.
+        :return: None.
+        """
+        setattr(self, "__match", match)
+
     @property
     def query_values(self) -> list[str]:
         """Returns the values to be queried.

src/accounting/option/__init__.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/22
 
 #  Copyright (c) 2023 imacat.

src/accounting/option/forms.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/22
 
 #  Copyright (c) 2023 imacat.

src/accounting/option/views.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/22
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/__init__.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/3
 
 #  Copyright (c) 2023 imacat.
@@ -17,19 +17,21 @@
 """The report management.
 
 """
-from flask import Flask, Blueprint
+from flask import Flask
 
 
-def init_app(app: Flask, bp: Blueprint) -> None:
+def init_app(app: Flask, url_prefix: str) -> None:
     """Initialize the application.
 
     :param app: The Flask application.
-    :param bp: The blueprint of the accounting application.
+    :param url_prefix: The URL prefix of the accounting application.
     :return: None.
     """
-    from .converters import PeriodConverter, IncomeExpensesAccountConverter
+    from .converters import PeriodConverter, CurrentAccountConverter, \
+        NeedOffsetAccountConverter
     app.url_map.converters["period"] = PeriodConverter
-    app.url_map.converters["ieAccount"] = IncomeExpensesAccountConverter
+    app.url_map.converters["currentAccount"] = CurrentAccountConverter
+    app.url_map.converters["needOffsetAccount"] = NeedOffsetAccountConverter
 
     from .views import bp as report_bp
-    bp.register_blueprint(report_bp, url_prefix="/reports")
+    app.register_blueprint(report_bp, url_prefix=url_prefix)

src/accounting/report/converters.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/3
 
 #  Copyright (c) 2023 imacat.
@@ -28,8 +28,8 @@ from .period import Period, get_period
 
 
 class PeriodConverter(BaseConverter):
-    """The supplier converter to convert the period specification from and to
-    the corresponding period in the routes."""
+    """The converter to convert the period specification from and to the
+    corresponding period in the routes."""
 
     def to_python(self, value: str) -> Period:
         """Converts a period specification to a period.
@@ -51,9 +51,9 @@ class PeriodConverter(BaseConverter):
         return value.spec
 
 
-class IncomeExpensesAccountConverter(BaseConverter):
-    """The supplier converter to convert the income and expenses log pseudo
-    account code from and to the corresponding pseudo account in the routes."""
+class CurrentAccountConverter(BaseConverter):
+    """The converter to convert the current account code from and to the
+    corresponding account in the routes."""
 
     def to_python(self, value: str) -> CurrentAccount:
         """Converts an account code to an account.
@@ -77,3 +77,29 @@ class IncomeExpensesAccountConverter(BaseConverter):
         :return: Its code.
         """
         return value.code
+
+
+class NeedOffsetAccountConverter(BaseConverter):
+    """The converter to convert the unapplied original line item account code
+    from and to the corresponding account in the routes."""
+
+    def to_python(self, value: str) -> Account:
+        """Converts an account code to an account.
+
+        :param value: The account code.
+        :return: The corresponding account.
+        """
+        account: Account | None = Account.find_by_code(value)
+        if account is None:
+            abort(404)
+        if not account.is_need_offset:
+            abort(404)
+        return account
+
+    def to_url(self, value: Account) -> str:
+        """Converts an account to account code.
+
+        :param value: The account.
+        :return: Its code.
+        """
+        return value.code

src/accounting/report/period/__init__.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/9
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/period/chooser.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/4
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/period/description.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/4
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/period/month_end.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/4
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/period/parser.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/4
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/period/period.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/4
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/period/shortcuts.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/4
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/period/specification.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/4
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/reports/__init__.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/7
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/reports/balance_sheet.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/7
 
 #  Copyright (c) 2023 imacat.
@@ -137,6 +137,7 @@ class AccountCollector:
             .join(JournalEntry).join(Account)\
             .filter(*conditions)\
             .group_by(Account.id, Account.base_code, Account.no)\
+            .having(balance_func != 0)\
             .order_by(Account.base_code, Account.no)
         account_balances: list[sa.Row] \
             = db.session.execute(select_balance).all()

src/accounting/report/reports/income_expenses.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/7
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/reports/income_statement.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/7
 
 #  Copyright (c) 2023 imacat.
@@ -269,6 +269,7 @@ class IncomeStatement(BaseReport):
             .join(JournalEntry).join(Account)\
             .filter(*conditions)\
             .group_by(Account.id)\
+            .having(balance_func != 0)\
             .order_by(Account.base_code, Account.no)
         balances: list[sa.Row] = db.session.execute(select_balances).all()
         accounts: dict[int, Account] \

src/accounting/report/reports/journal.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/7
 
 #  Copyright (c) 2023 imacat.
@@ -77,6 +77,8 @@ class CSVRow(BaseCSVRow):
         """Constructs a row in the CSV.
 
         :param journal_entry_date: The journal entry date.
+        :param currency: The currency.
+        :param account: The account.
         :param description: The description.
         :param debit: The debit amount.
         :param credit: The credit amount.
@@ -116,6 +118,7 @@ class PageParams(BasePageParams):
         """Constructs the HTML page parameters.
 
         :param period: The period.
+        :param pagination: The pagination.
         :param line_items: The line items.
         """
         self.period: Period = period

src/accounting/report/reports/ledger.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/7
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/reports/search.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/8
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/reports/trial_balance.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/7
 
 #  Copyright (c) 2023 imacat.
@@ -191,6 +191,7 @@ class TrialBalance(BaseReport):
             .join(JournalEntry).join(Account)\
             .filter(*conditions)\
             .group_by(Account.id)\
+            .having(balance_func != 0)\
             .order_by(Account.base_code, Account.no)
         balances: list[sa.Row] = db.session.execute(select_balances).all()
         accounts: dict[int, Account] \

src/accounting/report/reports/unapplied.py

@@ -0,0 +1,185 @@
+# The Mia! Accounting Project.
+# Author: imacat@mail.imacat.idv.tw (imacat), 2023/4/7
+
+#  Copyright (c) 2023 imacat.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+"""The unapplied original line items.
+
+"""
+from datetime import date
+from decimal import Decimal
+
+from flask import render_template, Response
+
+from accounting.locale import gettext
+from accounting.models import Account, JournalEntryLineItem
+from accounting.report.utils.base_page_params import BasePageParams
+from accounting.report.utils.base_report import BaseReport
+from accounting.report.utils.csv_export import BaseCSVRow, csv_download
+from accounting.report.utils.option_link import OptionLink
+from accounting.report.utils.report_chooser import ReportChooser
+from accounting.report.utils.report_type import ReportType
+from accounting.report.utils.unapplied import get_accounts_with_unapplied
+from accounting.report.utils.urls import unapplied_url
+from accounting.utils.offset_matcher import OffsetMatcher
+from accounting.utils.pagination import Pagination
+from accounting.utils.permission import can_edit
+
+
+class CSVRow(BaseCSVRow):
+    """A row in the CSV."""
+
+    def __init__(self, journal_entry_date: str | date, currency: str,
+                 description: str | None, amount: str | Decimal,
+                 net_balance: str | Decimal):
+        """Constructs a row in the CSV.
+
+        :param journal_entry_date: The journal entry date.
+        :param currency: The currency.
+        :param description: The description.
+        :param amount: The amount.
+        :param net_balance: The net balance.
+        """
+        self.date: str | date = journal_entry_date
+        """The date."""
+        self.currency: str = currency
+        """The currency."""
+        self.description: str | None = description
+        """The description."""
+        self.amount: str | Decimal = amount
+        """The amount."""
+        self.net_balance: str | Decimal = net_balance
+        """The net balance."""
+
+    @property
+    def values(self) -> list[str | date | Decimal | None]:
+        """Returns the values of the row.
+
+        :return: The values of the row.
+        """
+        return [self.date, self.currency, self.description, self.amount,
+                self.net_balance]
+
+
+class PageParams(BasePageParams):
+    """The HTML page parameters."""
+
+    def __init__(self, account: Account,
+                 is_mark_matches: bool,
+                 pagination: Pagination[JournalEntryLineItem],
+                 line_items: list[JournalEntryLineItem]):
+        """Constructs the HTML page parameters.
+
+        :param account: The account.
+        :param is_mark_matches: Whether to mark the matched offsets.
+        :param pagination: The pagination.
+        :param line_items: The line items.
+        """
+        self.account: Account = account
+        """The account."""
+        self.pagination: Pagination[JournalEntryLineItem] = pagination
+        """The pagination."""
+        self.line_items: list[JournalEntryLineItem] = line_items
+        """The line items."""
+        self.is_mark_matches: bool = is_mark_matches
+        """Whether to mark the matched offsets."""
+
+    @property
+    def has_data(self) -> bool:
+        """Returns whether there is any data on the page.
+
+        :return: True if there is any data, or False otherwise.
+        """
+        return len(self.line_items) > 0
+
+    @property
+    def report_chooser(self) -> ReportChooser:
+        """Returns the report chooser.
+
+        :return: The report chooser.
+        """
+        return ReportChooser(ReportType.UNAPPLIED,
+                             account=self.account)
+
+    @property
+    def account_options(self) -> list[OptionLink]:
+        """Returns the account options.
+
+        :return: The account options.
+        """
+        options: list[OptionLink] = [OptionLink(gettext("Accounts"),
+                                                unapplied_url(None),
+                                                False)]
+        options.extend([OptionLink(str(x),
+                                   unapplied_url(x),
+                                   x.id == self.account.id)
+                        for x in get_accounts_with_unapplied()])
+        return options
+
+
+def get_csv_rows(line_items: list[JournalEntryLineItem]) -> list[CSVRow]:
+    """Composes and returns the CSV rows from the line items.
+
+    :param line_items: The line items.
+    :return: The CSV rows.
+    """
+    rows: list[CSVRow] = [CSVRow(gettext("Date"), gettext("Currency"),
+                                 gettext("Description"), gettext("Amount"),
+                                 gettext("Net Balance"))]
+    rows.extend([CSVRow(x.journal_entry.date, x.currency.code,
+                        x.description, x.amount, x.net_balance)
+                 for x in line_items])
+    return rows
+
+
+class UnappliedOriginalLineItems(BaseReport):
+    """The unapplied original line items."""
+
+    def __init__(self, account: Account):
+        """Constructs the unapplied original line items.
+
+        :param account: The account.
+        """
+        self.__account: Account = account
+        """The account."""
+        offset_matcher: OffsetMatcher = OffsetMatcher(self.__account)
+        self.__line_items: list[JournalEntryLineItem] \
+            = offset_matcher.unapplied
+        """The line items."""
+        self.__is_mark_matches: bool \
+            = can_edit() and len(offset_matcher.unmatched_offsets) > 0
+        """Whether to mark the matched offsets."""
+
+    def csv(self) -> Response:
+        """Returns the report as CSV for download.
+
+        :return: The response of the report for download.
+        """
+        filename: str = f"unapplied-{self.__account.code}.csv"
+        return csv_download(filename, get_csv_rows(self.__line_items))
+
+    def html(self) -> str:
+        """Composes and returns the report as HTML.
+
+        :return: The report as HTML.
+        """
+        pagination: Pagination[JournalEntryLineItem] \
+            = Pagination[JournalEntryLineItem](self.__line_items,
+                                               is_reversed=True)
+        params: PageParams = PageParams(account=self.__account,
+                                        is_mark_matches=self.__is_mark_matches,
+                                        pagination=pagination,
+                                        line_items=pagination.list)
+        return render_template("accounting/report/unapplied.html",
+                               report=params)

src/accounting/report/reports/unapplied_accounts.py

@@ -0,0 +1,137 @@
+# The Mia! Accounting Project.
+# Author: imacat@mail.imacat.idv.tw (imacat), 2023/4/7
+
+#  Copyright (c) 2023 imacat.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+"""The accounts with unapplied original line items.
+
+"""
+from datetime import date
+from decimal import Decimal
+
+from flask import render_template, Response
+
+from accounting.locale import gettext
+from accounting.models import Account
+from accounting.report.utils.base_page_params import BasePageParams
+from accounting.report.utils.base_report import BaseReport
+from accounting.report.utils.csv_export import BaseCSVRow, csv_download
+from accounting.report.utils.option_link import OptionLink
+from accounting.report.utils.report_chooser import ReportChooser
+from accounting.report.utils.report_type import ReportType
+from accounting.report.utils.unapplied import get_accounts_with_unapplied
+from accounting.report.utils.urls import unapplied_url
+
+
+class CSVRow(BaseCSVRow):
+    """A row in the CSV."""
+
+    def __init__(self, account: str, count: int | str):
+        """Constructs a row in the CSV.
+
+        :param account: The account.
+        :param count: The number of unapplied original line items.
+        """
+        self.account: str = account
+        """The currency."""
+        self.count: int | str = count
+        """The number of unapplied original line items."""
+
+    @property
+    def values(self) -> list[str | date | Decimal | None]:
+        """Returns the values of the row.
+
+        :return: The values of the row.
+        """
+        return [self.account, self.count]
+
+
+class PageParams(BasePageParams):
+    """The HTML page parameters."""
+
+    def __init__(self, accounts: list[Account]):
+        """Constructs the HTML page parameters.
+
+        :param accounts: The accounts.
+        """
+        self.accounts: list[Account] = accounts
+        """The accounts."""
+
+    @property
+    def has_data(self) -> bool:
+        """Returns whether there is any data on the page.
+
+        :return: True if there is any data, or False otherwise.
+        """
+        return len(self.accounts) > 0
+
+    @property
+    def report_chooser(self) -> ReportChooser:
+        """Returns the report chooser.
+
+        :return: The report chooser.
+        """
+        return ReportChooser(ReportType.UNAPPLIED)
+
+    @property
+    def account_options(self) -> list[OptionLink]:
+        """Returns the account options.
+
+        :return: The account options.
+        """
+        options: list[OptionLink] = [OptionLink(gettext("Accounts"),
+                                                unapplied_url(None),
+                                                True)]
+        options.extend([OptionLink(str(x),
+                                   unapplied_url(x),
+                                   False)
+                        for x in self.accounts])
+        return options
+
+
+def get_csv_rows(accounts: list[Account]) -> list[CSVRow]:
+    """Composes and returns the CSV rows from the line items.
+
+    :param accounts: The accounts.
+    :return: The CSV rows.
+    """
+    rows: list[CSVRow] = [CSVRow(gettext("Account"), gettext("Count"))]
+    rows.extend([CSVRow(str(x).title(), x.count)
+                 for x in accounts])
+    return rows
+
+
+class AccountsWithUnappliedOriginalLineItems(BaseReport):
+    """The accounts with unapplied original line items."""
+
+    def __init__(self):
+        """Constructs the outstanding balances."""
+        self.__accounts: list[Account] = get_accounts_with_unapplied()
+        """The accounts."""
+
+    def csv(self) -> Response:
+        """Returns the report as CSV for download.
+
+        :return: The response of the report for download.
+        """
+        filename: str = f"unapplied-accounts.csv"
+        return csv_download(filename, get_csv_rows(self.__accounts))
+
+    def html(self) -> str:
+        """Composes and returns the report as HTML.
+
+        :return: The report as HTML.
+        """
+        return render_template("accounting/report/unapplied-accounts.html",
+                               report=PageParams(accounts=self.__accounts))

src/accounting/report/template_filters.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/7
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/utils/__init__.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/7
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/utils/base_page_params.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/6
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/utils/base_report.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/8
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/utils/csv_export.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/7
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/utils/option_link.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/5
 
 #  Copyright (c) 2023 imacat.

src/accounting/report/utils/report_chooser.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/4
 
 #  Copyright (c) 2023 imacat.
@@ -34,7 +34,7 @@ from accounting.utils.current_account import CurrentAccount
 from .option_link import OptionLink
 from .report_type import ReportType
 from .urls import journal_url, ledger_url, income_expenses_url, \
-    trial_balance_url, income_statement_url, balance_sheet_url
+    trial_balance_url, income_statement_url, balance_sheet_url, unapplied_url
 
 
 class ReportChooser:
@@ -68,40 +68,19 @@ class ReportChooser:
         """The title of the current report."""
         self.is_search: bool = active_report == ReportType.SEARCH
         """Whether the current report is the search page."""
-        self.__reports.append(self.__journal)
-        self.__reports.append(self.__ledger)
         self.__reports.append(self.__income_expenses)
+        self.__reports.append(self.__ledger)
+        self.__reports.append(self.__journal)
         self.__reports.append(self.__trial_balance)
         self.__reports.append(self.__income_statement)
         self.__reports.append(self.__balance_sheet)
+        self.__reports.append(self.__unapplied)
         for report in self.__reports:
             if report.is_active:
                 self.current_report = report.title
         if self.is_search:
             self.current_report = gettext("Search")
 
-    @property
-    def __journal(self) -> OptionLink:
-        """Returns the journal.
-
-        :return: The journal.
-        """
-        return OptionLink(gettext("Journal"), journal_url(self.__period),
-                          self.__active_report == ReportType.JOURNAL,
-                          fa_icon="fa-solid fa-book")
-
-    @property
-    def __ledger(self) -> OptionLink:
-        """Returns the ledger.
-
-        :return: The ledger.
-        """
-        return OptionLink(gettext("Ledger"),
-                          ledger_url(self.__currency, self.__account,
-                                     self.__period),
-                          self.__active_report == ReportType.LEDGER,
-                          fa_icon="fa-solid fa-clipboard")
-
     @property
     def __income_expenses(self) -> OptionLink:
         """Returns the income and expenses log.
@@ -118,6 +97,28 @@ class ReportChooser:
                           self.__active_report == ReportType.INCOME_EXPENSES,
                           fa_icon="fa-solid fa-money-bill-wave")
 
+    @property
+    def __ledger(self) -> OptionLink:
+        """Returns the ledger.
+
+        :return: The ledger.
+        """
+        return OptionLink(gettext("Ledger"),
+                          ledger_url(self.__currency, self.__account,
+                                     self.__period),
+                          self.__active_report == ReportType.LEDGER,
+                          fa_icon="fa-solid fa-clipboard")
+
+    @property
+    def __journal(self) -> OptionLink:
+        """Returns the journal.
+
+        :return: The journal.
+        """
+        return OptionLink(gettext("Journal"), journal_url(self.__period),
+                          self.__active_report == ReportType.JOURNAL,
+                          fa_icon="fa-solid fa-book")
+
     @property
     def __trial_balance(self) -> OptionLink:
         """Returns the trial balance.
@@ -151,6 +152,23 @@ class ReportChooser:
                           self.__active_report == ReportType.BALANCE_SHEET,
                           fa_icon="fa-solid fa-scale-balanced")
 
+    @property
+    def __unapplied(self) -> OptionLink:
+        """Returns the unapplied original line items.
+
+        :return: The unapplied original line items.
+        """
+        account: Account = self.__account
+        if not account.is_need_offset:
+            return OptionLink(gettext("Unapplied Original Line Items"),
+                              unapplied_url(None),
+                              self.__active_report == ReportType.UNAPPLIED,
+                              fa_icon="fa-solid fa-link-slash")
+        return OptionLink(gettext("Unapplied Original Line Items"),
+                          unapplied_url(account),
+                          self.__active_report == ReportType.UNAPPLIED,
+                          fa_icon="fa-solid fa-link-slash")
+
     def __iter__(self) -> t.Iterator[OptionLink]:
         """Returns the iteration of the reports.
 

src/accounting/report/utils/report_type.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/4
 
 #  Copyright (c) 2023 imacat.
@@ -34,5 +34,7 @@ class ReportType(Enum):
     """The income statement."""
     BALANCE_SHEET: str = "balance-sheet"
     """The balance sheet."""
+    UNAPPLIED: str = "unapplied"
+    """The unapplied original line items."""
     SEARCH: str = "search"
     """The search."""

src/accounting/report/utils/unapplied.py

@@ -0,0 +1,67 @@
+# The Mia! Accounting Project.
+# Author: imacat@mail.imacat.idv.tw (imacat), 2023/4/7
+
+#  Copyright (c) 2023 imacat.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+"""The unapplied original line item utilities.
+
+"""
+import sqlalchemy as sa
+
+from accounting import db
+from accounting.models import Account, JournalEntryLineItem
+from accounting.utils.cast import be
+from accounting.utils.offset_alias import offset_alias
+
+
+def get_accounts_with_unapplied() -> list[Account]:
+    """Returns the accounts with unapplied original line items.
+
+    :return: The accounts with unapplied original line items.
+    """
+    offset: sa.Alias = offset_alias()
+    net_balance: sa.Label \
+        = (JournalEntryLineItem.amount
+           + sa.func.sum(sa.case(
+                (be(offset.c.is_debit == JournalEntryLineItem.is_debit),
+                 offset.c.amount),
+                else_=-offset.c.amount))).label("net_balance")
+    select_unapplied: sa.Select \
+        = sa.select(JournalEntryLineItem.id)\
+        .join(Account)\
+        .join(offset, be(JournalEntryLineItem.id
+                         == offset.c.original_line_item_id),
+              isouter=True)\
+        .filter(Account.is_need_offset,
+                sa.or_(sa.and_(Account.base_code.startswith("2"),
+                               sa.not_(JournalEntryLineItem.is_debit)),
+                       sa.and_(Account.base_code.startswith("1"),
+                               JournalEntryLineItem.is_debit)))\
+        .group_by(JournalEntryLineItem.id)\
+        .having(sa.or_(sa.func.count(offset.c.id) == 0, net_balance != 0))
+
+    count_func: sa.Label \
+        = sa.func.count(JournalEntryLineItem.id).label("count")
+    select: sa.Select = sa.select(Account.id, count_func)\
+        .join(JournalEntryLineItem, isouter=True)\
+        .filter(JournalEntryLineItem.id.in_(select_unapplied))\
+        .group_by(Account.id)\
+        .having(count_func > 0)
+    counts: dict[int, int] \
+        = {x.id: x.count for x in db.session.execute(select)}
+    accounts: list[Account] = Account.query.filter(Account.id.in_(counts))\
+        .order_by(Account.base_code, Account.no).all()
+    for account in accounts:
+        account.count = counts[account.id]
+    return accounts

src/accounting/report/utils/urls.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/9
 
 #  Copyright (c) 2023 imacat.
@@ -34,8 +34,8 @@ def journal_url(period: Period) \
     :return: The URL of the journal.
     """
     if period.is_default:
-        return url_for("accounting.report.journal-default")
-    return url_for("accounting.report.journal", period=period)
+        return url_for("accounting-report.journal-default")
+    return url_for("accounting-report.journal", period=period)
 
 
 def ledger_url(currency: Currency, account: Account, period: Period) \
@@ -48,9 +48,9 @@ def ledger_url(currency: Currency, account: Account, period: Period) \
     :return: The URL of the ledger.
     """
     if period.is_default:
-        return url_for("accounting.report.ledger-default",
+        return url_for("accounting-report.ledger-default",
                        currency=currency, account=account)
-    return url_for("accounting.report.ledger",
+    return url_for("accounting-report.ledger",
                    currency=currency, account=account,
                    period=period)
 
@@ -67,11 +67,11 @@ def income_expenses_url(currency: Currency, account: CurrentAccount,
     if currency.code == default_currency_code() \
             and account.code == options.default_ie_account_code \
             and period.is_default:
-        return url_for("accounting.report.default")
+        return url_for("accounting-report.default")
     if period.is_default:
-        return url_for("accounting.report.income-expenses-default",
+        return url_for("accounting-report.income-expenses-default",
                        currency=currency, account=account)
-    return url_for("accounting.report.income-expenses",
+    return url_for("accounting-report.income-expenses",
                    currency=currency, account=account,
                    period=period)
 
@@ -84,9 +84,9 @@ def trial_balance_url(currency: Currency, period: Period) -> str:
     :return: The URL of the trial balance.
     """
     if period.is_default:
-        return url_for("accounting.report.trial-balance-default",
+        return url_for("accounting-report.trial-balance-default",
                        currency=currency)
-    return url_for("accounting.report.trial-balance",
+    return url_for("accounting-report.trial-balance",
                    currency=currency, period=period)
 
 
@@ -98,9 +98,9 @@ def income_statement_url(currency: Currency, period: Period) -> str:
     :return: The URL of the income statement.
     """
     if period.is_default:
-        return url_for("accounting.report.income-statement-default",
+        return url_for("accounting-report.income-statement-default",
                        currency=currency)
-    return url_for("accounting.report.income-statement",
+    return url_for("accounting-report.income-statement",
                    currency=currency, period=period)
 
 
@@ -112,7 +112,19 @@ def balance_sheet_url(currency: Currency, period: Period) -> str:
     :return: The URL of the balance sheet.
     """
     if period.is_default:
-        return url_for("accounting.report.balance-sheet-default",
+        return url_for("accounting-report.balance-sheet-default",
                        currency=currency)
-    return url_for("accounting.report.balance-sheet",
+    return url_for("accounting-report.balance-sheet",
                    currency=currency, period=period)
+
+
+def unapplied_url(account: Account | None) -> str:
+    """Returns the URL of the unapplied original line items.
+
+    :param account: The account, or None to list the accounts with unapplied
+        original line items.
+    :return: The URL of the unapplied original line items.
+    """
+    if account is None:
+        return url_for("accounting-report.unapplied-default")
+    return url_for("accounting-report.unapplied", account=account)

src/accounting/report/views.py

@@ -1,4 +1,4 @@
-# The Mia! Accounting Flask Project.
+# The Mia! Accounting Project.
 # Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/3
 
 #  Copyright (c) 2023 imacat.
@@ -28,9 +28,11 @@ from accounting.utils.options import options
 from accounting.utils.permission import has_permission, can_view
 from .reports import Journal, Ledger, IncomeExpenses, TrialBalance, \
     IncomeStatement, BalanceSheet, Search
+from .reports.unapplied import UnappliedOriginalLineItems
+from .reports.unapplied_accounts import AccountsWithUnappliedOriginalLineItems
 from .template_filters import format_amount
 
-bp: Blueprint = Blueprint("report", __name__)
+bp: Blueprint = Blueprint("accounting-report", __name__)
 """The view blueprint for the reports."""
 bp.add_app_template_filter(format_amount, "accounting_report_format_amount")
 
@@ -124,7 +126,7 @@ def __get_ledger(currency: Currency, account: Account, period: Period) \
     return report.html()
 
 
-@bp.get("income-expenses/<currency:currency>/<ieAccount:account>",
+@bp.get("income-expenses/<currency:currency>/<currentAccount:account>",
         endpoint="income-expenses-default")
 @has_permission(can_view)
 def get_default_income_expenses(currency: Currency, account: CurrentAccount) \
@@ -138,9 +140,8 @@ def get_default_income_expenses(currency: Currency, account: CurrentAccount) \
     return __get_income_expenses(currency, account, get_period())
 
 
-@bp.get(
-    "income-expenses/<currency:currency>/<ieAccount:account>/<period:period>",
-    endpoint="income-expenses")
+@bp.get("income-expenses/<currency:currency>/<currentAccount:account>/"
+        "<period:period>", endpoint="income-expenses")
 @has_permission(can_view)
 def get_income_expenses(currency: Currency, account: CurrentAccount,
                         period: Period) -> str | Response:
@@ -286,6 +287,34 @@ def __get_balance_sheet(currency: Currency, period: Period) \
     return report.html()
 
 
+@bp.get("unapplied", endpoint="unapplied-default")
+@has_permission(can_view)
+def get_default_unapplied() -> str | Response:
+    """Returns the accounts with unapplied original line items.
+
+    :return: The accounts with unapplied original line items.
+    """
+    report: AccountsWithUnappliedOriginalLineItems \
+        = AccountsWithUnappliedOriginalLineItems()
+    if "as" in request.args and request.args["as"] == "csv":
+        return report.csv()
+    return report.html()
+
+
+@bp.get("unapplied/<needOffsetAccount:account>", endpoint="unapplied")
+@has_permission(can_view)
+def get_unapplied(account: Account) -> str | Response:
+    """Returns the unapplied original line items.
+
+    :param account: The Account.
+    :return: The unapplied original line items.
+    """
+    report: UnappliedOriginalLineItems = UnappliedOriginalLineItems(account)
+    if "as" in request.args and request.args["as"] == "csv":
+        return report.csv()
+    return report.html()
+
+
 @bp.get("search", endpoint="search")
 @has_permission(can_view)
 def search() -> str | Response:

src/accounting/static/css/style.css

@@ -1,4 +1,4 @@
-/* The Mia! Accounting Flask Project
+/* The Mia! Accounting Project
  * style.css: The style sheet for the accounting application.
  */
 
@@ -209,11 +209,23 @@ a.accounting-report-table-row {
 .accounting-report-table-body .accounting-amount {
     font-style: italic;
 }
+.accounting-report-table-body .accounting-report-table-row {
+    background-color: #f8f9fa;
+}
 .accounting-report-table-body .accounting-report-table-row:nth-child(2n+1) {
-    background-color: #f2f2f2;
+    background-color: #ecedee;
 }
 .accounting-report-table-body .accounting-report-table-row:hover {
-    background-color: rgba(0, 0, 0, 0.075);
+    background-color: #e5e6e7;
+}
+.accounting-report-table-body .accounting-report-table-row-danger {
+    background-color: #f8d7da;
+}
+.accounting-report-table-body .accounting-report-table-row-danger:nth-child(2n+1) {
+    background-color: #eccccf;
+}
+.accounting-report-table-body .accounting-report-table-row-danger:hover {
+    background-color: #e5c7ca;
 }
 .accounting-journal-table .accounting-report-table-row {
     grid-template-columns: 1fr 1fr 2fr 4fr 1fr 1fr;
@@ -309,6 +321,16 @@ a.accounting-report-table-row {
 .accounting-balance-sheet-total .accounting-amount, .accounting-balance-sheet-subtotal, .accounting-amount {
     font-style: italic;
 }
+.accounting-unapplied-table .accounting-report-table-row {
+    grid-template-columns: 1fr 1fr 5fr 1fr 1fr;
+}
+.accounting-unapplied-account-table .accounting-report-table-row {
+    display: flex;
+    justify-content: space-between;
+}
+.accounting-unapplied-account-table .accounting-report-table-header .accounting-report-table-row {
+    display: block;
+}
 
 /* The accounting report */
 .accounting-mobile-journal-credit {
@@ -316,6 +338,10 @@ a.accounting-report-table-row {
 }
 
 /* The description editor */
+.accounting-description-editor-buttons {
+    max-height: 7rem;
+    overflow-y: scroll;
+}
 .accounting-description-editor-buttons .btn {
     margin-bottom: 0.3rem;
 }
@@ -339,6 +365,12 @@ a.accounting-report-table-row {
     margin: 0;
 }
 
+/* The unmatched offsets */
+.accounting-unmatched-offset-pair-list {
+    height: 20rem;
+    overflow-y: scroll;
+}
+
 /* The Material Design text field (floating form control in Bootstrap) */
 .accounting-material-text-field {
     position: relative;

src/accounting/static/js/account-form.js

@@ -1,4 +1,4 @@
-/* The Mia! Accounting Flask Project
+/* The Mia! Accounting Project
  * account-form.js: The JavaScript for the account form
  */
 
@@ -342,12 +342,6 @@ class BaseAccountSelector {
  */
 class BaseAccountOption {
 
-    /**
-     * The base account selector
-     * @type {BaseAccountSelector}
-     */
-    #selector;
-
     /**
      * The element
      * @type {HTMLLIElement}
@@ -379,13 +373,12 @@ class BaseAccountOption {
      * @param element {HTMLLIElement} the element
      */
     constructor(selector, element) {
-        this.#selector = selector;
         this.#element = element;
         this.code = element.dataset.code;
         this.text = element.dataset.text;
         this.#queryValues = JSON.parse(element.dataset.queryValues);
 
-        this.#element.onclick = () => this.#selector.form.saveBaseAccount(this);
+        this.#element.onclick = () => selector.form.saveBaseAccount(this);
     }
 
     /**

src/accounting/static/js/account-order.js

@@ -1,4 +1,4 @@
-/* The Mia! Accounting Flask Project
+/* The Mia! Accounting Project
  * account-order.js: The JavaScript for the account order
  */
 
@@ -29,10 +29,11 @@ document.addEventListener("DOMContentLoaded", () => {
         const onReorder = () => {
             const accounts = Array.from(list.children);
             for (let i = 0; i < accounts.length; i++) {
-                const no = document.getElementById("accounting-order-" + accounts[i].dataset.id + "-no");
-                const code = document.getElementById("accounting-order-" + accounts[i].dataset.id + "-code");
+                const no = document.getElementById(`accounting-order-${accounts[i].dataset.id}-no`);
+                const code = document.getElementById(`accounting-order-${accounts[i].dataset.id}-code`);
                 no.value = String(i + 1);
-                code.innerText = list.dataset.baseCode + "-" + ("000" + (i + 1)).slice(-3);
+                const zeroPaddedNo = `000${no.value}`.slice(-3)
+                code.innerText = `${list.dataset.baseCode}-${zeroPaddedNo}`;
             }
         };
         initializeDragAndDropReordering(list, onReorder);

src/accounting/static/js/currency-form.js

@@ -1,4 +1,4 @@
-/* The Mia! Accounting Flask Project
+/* The Mia! Accounting Project
  * currency-form.js: The JavaScript for the currency form
  */
 
@@ -128,7 +128,7 @@ class CurrencyForm {
         }
         const original = this.#code.dataset.original;
         if (original === "" || this.#code.value !== original) {
-            const response = await fetch(this.#code.dataset.existsUrl + "?q=" + encodeURIComponent(this.#code.value));
+            const response = await fetch(`${this.#code.dataset.existsUrl}?q=${encodeURIComponent(this.#code.value)}`);
             const data = await response.json();
             if (data["exists"]) {
                 this.#code.classList.add("is-invalid");

src/accounting/static/js/description-editor.js

@@ -1,4 +1,4 @@
-/* The Mia! Accounting Flask Project
+/* The Mia! Accounting Project
  * description-editor.js: The JavaScript for the description editor
  */
 
@@ -60,7 +60,7 @@ class DescriptionEditor {
 
     /**
      * The current tab
-     * @type {TabPlane}
+     * @type {DescriptionEditorTabPlane}
      */
     currentTab;
 
@@ -68,7 +68,7 @@ class DescriptionEditor {
      * The description input
      * @type {HTMLInputElement}
      */
-    description;
+    #descriptionInput;
 
     /**
      * The button to the original line item selector
@@ -89,20 +89,44 @@ class DescriptionEditor {
     note;
 
     /**
-     * The account buttons
-     * @type {HTMLButtonElement[]}
+     * The placeholder of the confirmed account
+     * @type {DescriptionEditorConfirmedAccount}
      */
-    #accountButtons;
+    #confirmedAccountPlaceholder;
 
     /**
-     * The selected account button
-     * @type {HTMLButtonElement|null}
+     * All the suggested accounts
+     * @type {DescriptionEditorSuggestedAccount[]}
      */
-    #selectedAccount = null;
+    #allSuggestedAccounts;
+
+    /**
+     * The current suggested accounts
+     * @type {DescriptionEditorSuggestedAccount[]}
+     */
+    #currentSuggestedAccounts;
+
+    /**
+     * The account that the user specified or confirmed
+     * @type {DescriptionEditorConfirmedAccount|null}
+     */
+    #confirmedAccount = null;
+
+    /**
+     * Whether the user has confirmed the account
+     * @type {boolean}
+     */
+    isAccountConfirmed = false;
+
+    /**
+     * The selected account.
+     * @type {DescriptionEditorAccount|null}
+     */
+    selectedAccount = null;
 
     /**
      * The tab planes
-     * @type {{general: GeneralTagTab, travel: GeneralTripTab, bus: BusTripTab, recurring: RecurringTransactionTab, annotation: AnnotationTab}}
+     * @type {{general: DescriptionEditorGeneralTagTab, travel: DescriptionEditorGeneralTripTab, bus: DescriptionEditorBusTripTab, recurring: DescriptionEditorRecurringTab, annotation: DescriptionEditorAnnotationTab}}
      */
     tabPlanes = {};
 
@@ -115,23 +139,22 @@ class DescriptionEditor {
     constructor(lineItemEditor, debitCredit) {
         this.lineItemEditor = lineItemEditor;
         this.debitCredit = debitCredit;
-        this.prefix = "accounting-description-editor-" + debitCredit;
+        this.prefix = `accounting-description-editor-${debitCredit}`;
         this.#form = document.getElementById(this.prefix);
-        this.#modal = document.getElementById(this.prefix + "-modal");
-        this.description = document.getElementById(this.prefix + "-description");
-        this.#offsetButton = document.getElementById(this.prefix + "-offset");
-        this.number = document.getElementById(this.prefix + "-annotation-number");
-        this.note = document.getElementById(this.prefix + "-annotation-note");
-        // noinspection JSValidateTypes
-        this.#accountButtons = Array.from(document.getElementsByClassName(this.prefix + "-account"));
+        this.#modal = document.getElementById(`${this.prefix}-modal`);
+        this.#descriptionInput = document.getElementById(`${this.prefix}-description`);
+        this.#offsetButton = document.getElementById(`${this.prefix}-offset`);
+        this.number = document.getElementById(`${this.prefix}-annotation-number`);
+        this.note = document.getElementById(`${this.prefix}-annotation-note`);
+        this.#confirmedAccountPlaceholder = new DescriptionEditorConfirmedAccount(this, document.getElementById(`${this.prefix}-account-confirmed`));
+        this.#allSuggestedAccounts = Array.from(document.getElementsByClassName(`${this.prefix}-account`)).map((button) => new DescriptionEditorSuggestedAccount(this, button));
 
-        for (const cls of [GeneralTagTab, GeneralTripTab, BusTripTab, RecurringTransactionTab, AnnotationTab]) {
+        for (const cls of [DescriptionEditorGeneralTagTab, DescriptionEditorGeneralTripTab, DescriptionEditorBusTripTab, DescriptionEditorRecurringTab, DescriptionEditorAnnotationTab]) {
             const tab = new cls(this);
             this.tabPlanes[tab.tabId()] = tab;
         }
         this.currentTab = this.tabPlanes.general;
-        this.#initializeSuggestedAccounts();
-        this.description.onchange = () => this.#onDescriptionChange();
+        this.#descriptionInput.onchange = () => this.#onDescriptionChange();
         this.#offsetButton.onclick = () => this.lineItemEditor.originalLineItemSelector.onOpen();
         this.#form.onsubmit = () => {
             if (this.currentTab.validate()) {
@@ -141,12 +164,44 @@ class DescriptionEditor {
         };
     }
 
+    /**
+     * Returns the description.
+     *
+     * @return {string} the description
+     */
+    get description() {
+        return this.#descriptionInput.value;
+    }
+
+    /**
+     * Sets the description.
+     *
+     * @param description {string} the description
+     */
+    set description(description) {
+        this.#descriptionInput.value = description;
+    }
+
+    /**
+     * Returns the current account options.
+     *
+     * @return {DescriptionEditorAccount[]} the current account options.
+     */
+    get #currentAccountOptions() {
+        if (this.#confirmedAccount === null) {
+            return this.#currentSuggestedAccounts;
+        }
+        return [this.#confirmedAccount].concat(this.#currentSuggestedAccounts);
+    }
+
     /**
      * The callback when the description input is changed.
      *
      */
     #onDescriptionChange() {
-        this.description.value = this.description.value.trim();
+        this.#resetTabPlanes();
+        this.selectedAccount = null;
+        this.description = this.description.trim();
         for (const tabPlane of [this.tabPlanes.recurring, this.tabPlanes.bus, this.tabPlanes.travel, this.tabPlanes.general]) {
             if (tabPlane.populate()) {
                 break;
@@ -156,20 +211,49 @@ class DescriptionEditor {
     }
 
     /**
-     * Filters the suggested accounts.
+     * Resets the tab planes.
+     *
+     */
+    #resetTabPlanes() {
+        for (const tabPlane of Object.values(this.tabPlanes)) {
+            tabPlane.reset();
+        }
+        this.tabPlanes.general.switchToMe();
+    }
+
+    /**
+     * Updates the current suggested accounts.
      *
      * @param tagButton {HTMLButtonElement} the tag button
      */
-    filterSuggestedAccounts(tagButton) {
+    updateCurrentSuggestedAccounts(tagButton) {
         this.clearSuggestedAccounts();
-        const suggested = JSON.parse(tagButton.dataset.accounts);
-        for (const accountButton of this.#accountButtons) {
-            if (suggested.includes(accountButton.dataset.code)) {
-                accountButton.classList.remove("d-none");
-                if (accountButton.dataset.code === suggested[0]) {
-                    this.#selectAccount(accountButton);
-                    return;
-                }
+        const suggestedAccountCodes = JSON.parse(tagButton.dataset.accounts);
+        this.#currentSuggestedAccounts = this.#allSuggestedAccounts.filter((account) => {
+            if (this.#confirmedAccount !== null && account.code === this.#confirmedAccount.code) {
+                return false;
+            }
+            return suggestedAccountCodes.includes(account.code);
+        });
+        for (const account of this.#currentSuggestedAccounts) {
+            account.setShown(true);
+        }
+        this.#selectSuggestedAccount(suggestedAccountCodes[0]);
+    }
+
+    /**
+     * Selects the suggested account.
+     *
+     * @param code {string} the code of the most-frequent suggested account
+     */
+    #selectSuggestedAccount(code) {
+        if (this.isAccountConfirmed) {
+            return;
+        }
+        for (const account of this.#currentAccountOptions) {
+            if (account.code === code) {
+                this.selectAccount(account);
+                return;
             }
         }
     }
@@ -179,37 +263,29 @@ class DescriptionEditor {
      *
      */
     clearSuggestedAccounts() {
-        for (const accountButton of this.#accountButtons) {
-            accountButton.classList.add("d-none");
+        for (const account of this.#allSuggestedAccounts) {
+            account.setShown(false);
+            account.setActive(false);
         }
-        this.#selectAccount(null);
+        this.#currentSuggestedAccounts = [];
     }
 
     /**
-     * Initializes the suggested accounts.
+     * Select an account.
      *
+     * @param selectedAccount {DescriptionEditorAccount|null} the account, or null to deselect the account
      */
-    #initializeSuggestedAccounts() {
-        for (const accountButton of this.#accountButtons) {
-            accountButton.onclick = () => this.#selectAccount(accountButton);
+    selectAccount(selectedAccount) {
+        for (const account of this.#currentAccountOptions) {
+            account.setActive(false);
         }
-    }
-
-    /**
-     * Select a suggested account.
-     *
-     * @param selectedAccountButton {HTMLButtonElement|null} the account button, or null to deselect the account
-     */
-    #selectAccount(selectedAccountButton) {
-        for (const accountButton of this.#accountButtons) {
-            accountButton.classList.remove("btn-primary");
-            accountButton.classList.add("btn-outline-primary");
+        if (selectedAccount !== null) {
+            selectedAccount.setActive(true);
         }
-        if (selectedAccountButton !== null) {
-            selectedAccountButton.classList.remove("btn-outline-primary");
-            selectedAccountButton.classList.add("btn-primary");
+        this.selectedAccount = selectedAccount;
+        if (this.selectedAccount !== null) {
+            this.isAccountConfirmed &&= this.selectedAccount.isConfirmedAccount;
         }
-        this.#selectedAccount = selectedAccountButton;
     }
 
     /**
@@ -218,11 +294,7 @@ class DescriptionEditor {
      */
     #submit() {
         bootstrap.Modal.getOrCreateInstance(this.#modal).hide();
-        if (this.#selectedAccount !== null) {
-            this.lineItemEditor.saveDescriptionWithAccount(this.description.value, this.#selectedAccount.dataset.code, this.#selectedAccount.dataset.text, this.#selectedAccount.classList.contains("accounting-account-is-need-offset"));
-        } else {
-            this.lineItemEditor.saveDescription(this.description.value);
-        }
+        this.lineItemEditor.saveDescription(this);
     }
 
     /**
@@ -230,21 +302,27 @@ class DescriptionEditor {
      *
      */
     onOpen() {
-        this.#reset();
-        this.description.value = this.lineItemEditor.description === null? "": this.lineItemEditor.description;
+        this.description = this.lineItemEditor.description === null? "": this.lineItemEditor.description;
+        this.#setConfirmedAccount();
         this.#onDescriptionChange();
+        if (this.isAccountConfirmed) {
+            this.selectAccount(this.#confirmedAccount);
+        }
     }
 
     /**
-     * Resets the description editor.
+     * Sets the confirmed account.
      *
      */
-    #reset() {
-        this.description.value = "";
-        for (const tabPlane of Object.values(this.tabPlanes)) {
-            tabPlane.reset();
+    #setConfirmedAccount() {
+        this.isAccountConfirmed = this.lineItemEditor.isAccountConfirmed;
+        this.#confirmedAccountPlaceholder.setShown(this.isAccountConfirmed);
+        if (this.isAccountConfirmed) {
+            this.#confirmedAccountPlaceholder.initializeFrom(this.lineItemEditor.account);
+            this.#confirmedAccount = this.#confirmedAccountPlaceholder;
+        } else {
+            this.#confirmedAccount = null;
         }
-        this.tabPlanes.general.switchToMe();
     }
 
     /**
@@ -263,13 +341,130 @@ class DescriptionEditor {
     }
 }
 
+/**
+ * An account option in the description editor.
+ *
+ */
+class DescriptionEditorAccount extends JournalEntryAccount {
+
+    /**
+     * The account button
+     * @type {HTMLButtonElement}
+     */
+    #element;
+
+    /**
+     * Whether this is the account specified or confirmed by the user
+     * @type {boolean}
+     */
+    isConfirmedAccount = false;
+
+    /**
+     * Constructs an account option in the description editor.
+     *
+     * @param editor {DescriptionEditor} the description editor
+     * @param code {string} the account code
+     * @param text {string} the account text
+     * @param isNeedOffset {boolean} true if the line items in the account needs offset, or false otherwise
+     * @param button {HTMLButtonElement} the account button
+     */
+    constructor(editor, code, text, isNeedOffset, button) {
+        super(code, text, isNeedOffset);
+        this.#element = button;
+        this.#element.onclick = () => editor.selectAccount(this);
+    }
+
+    /**
+     * Sets whether the option is shown.
+     *
+     * @param isShown {boolean} true to show, or false otherwise
+     */
+    setShown(isShown) {
+        if (isShown) {
+            this.#element.classList.remove("d-none");
+        } else {
+            this.#element.classList.add("d-none");
+        }
+    }
+
+    /**
+     * Sets whether the option is active.
+     *
+     * @param isActive {boolean} true if active, or false otherwise
+     */
+    setActive(isActive) {
+        if (isActive) {
+            this.#element.classList.add("btn-primary");
+            this.#element.classList.remove("btn-outline-primary");
+        } else {
+            this.#element.classList.remove("btn-primary");
+            this.#element.classList.add("btn-outline-primary");
+        }
+    }
+
+    /**
+     * Sets the content of the account button.
+     *
+     */
+    resetContent() {
+        this.#element.innerText = this.text;
+    }
+}
+
+/**
+ * A suggested account.
+ *
+ */
+class DescriptionEditorSuggestedAccount extends DescriptionEditorAccount {
+
+    /**
+     * Constructs a suggested account.
+     *
+     * @param editor {DescriptionEditor} the description editor
+     * @param button {HTMLButtonElement} the account button
+     */
+    constructor(editor, button) {
+        super(editor, button.dataset.code, button.dataset.text, button.classList.contains("accounting-account-is-need-offset"), button);
+    }
+}
+
+/**
+ * The account option that is specified or confirmed by the user.
+ *
+ */
+class DescriptionEditorConfirmedAccount extends DescriptionEditorAccount {
+
+    /**
+     * Constructs the account option that is specified or confirmed by the user.
+     *
+     * @param editor {DescriptionEditor} the description editor
+     * @param button {HTMLButtonElement} the account button
+     */
+    constructor(editor, button) {
+        super(editor, "", "", false, button);
+        this.isConfirmedAccount = true;
+    }
+
+    /**
+     * Initializes the confirmed account from the line item editor.
+     *
+     * @param account {JournalEntryAccount} the confirmed account from the line item editor
+     */
+    initializeFrom(account) {
+        this.code = account.code;
+        this.text = account.text;
+        this.isNeedOffset = account.isNeedOffset;
+        this.resetContent();
+    }
+}
+
 /**
  * A tab plane.
  *
  * @abstract
  * @private
  */
-class TabPlane {
+class DescriptionEditorTabPlane {
 
     /**
      * The parent description editor
@@ -302,9 +497,9 @@ class TabPlane {
      */
     constructor(editor) {
         this.editor = editor;
-        this.prefix = this.editor.prefix + "-" + this.tabId();
-        this.#tab = document.getElementById(this.prefix + "-tab");
-        this.#page = document.getElementById(this.prefix + "-page");
+        this.prefix = `${this.editor.prefix}-${this.tabId()}`;
+        this.#tab = document.getElementById(`${this.prefix}-tab`);
+        this.#page = document.getElementById(`${this.prefix}-page`);
         this.#tab.onclick = () => this.switchToMe();
     }
 
@@ -364,7 +559,7 @@ class TabPlane {
  * @abstract
  * @private
  */
-class TagTabPlane extends TabPlane {
+class DescriptionEditorTagTabPlane extends DescriptionEditorTabPlane {
 
     /**
      * The tag input
@@ -392,10 +587,10 @@ class TagTabPlane extends TabPlane {
      */
     constructor(editor) {
         super(editor);
-        this.tag = document.getElementById(this.prefix + "-tag");
-        this.tagError = document.getElementById(this.prefix + "-tag-error");
+        this.tag = document.getElementById(`${this.prefix}-tag`);
+        this.tagError = document.getElementById(`${this.prefix}-tag-error`);
         // noinspection JSValidateTypes
-        this.tagButtons = Array.from(document.getElementsByClassName(this.prefix + "-btn-tag"));
+        this.tagButtons = Array.from(document.getElementsByClassName(`${this.prefix}-btn-tag`));
         this.initializeTagButtons();
         this.tag.onchange = () => {
             this.onTagChange();
@@ -414,7 +609,7 @@ class TagTabPlane extends TabPlane {
             if (tagButton.dataset.value === this.tag.value) {
                 tagButton.classList.remove("btn-outline-primary");
                 tagButton.classList.add("btn-primary");
-                this.editor.filterSuggestedAccounts(tagButton);
+                this.editor.updateCurrentSuggestedAccounts(tagButton);
                 isMatched = true;
             } else {
                 tagButton.classList.remove("btn-primary");
@@ -442,7 +637,7 @@ class TagTabPlane extends TabPlane {
         super.switchToMe();
         for (const tagButton of this.tagButtons) {
             if (tagButton.classList.contains("btn-primary")) {
-                this.editor.filterSuggestedAccounts(tagButton);
+                this.editor.updateCurrentSuggestedAccounts(tagButton);
                 return;
             }
         }
@@ -463,7 +658,7 @@ class TagTabPlane extends TabPlane {
                 tagButton.classList.remove("btn-outline-primary");
                 tagButton.classList.add("btn-primary");
                 this.tag.value = tagButton.dataset.value;
-                this.editor.filterSuggestedAccounts(tagButton);
+                this.editor.updateCurrentSuggestedAccounts(tagButton);
                 this.updateDescription();
             };
         }
@@ -522,7 +717,7 @@ class TagTabPlane extends TabPlane {
  *
  * @private
  */
-class GeneralTagTab extends TagTabPlane {
+class DescriptionEditorGeneralTagTab extends DescriptionEditorTagTabPlane {
 
     /**
      * The tab ID
@@ -540,12 +735,12 @@ class GeneralTagTab extends TagTabPlane {
      * @override
      */
     updateDescription() {
-        const pos = this.editor.description.value.indexOf("—");
-        const prefix = this.tag.value === ""? "": this.tag.value + "—";
+        const pos = this.editor.description.indexOf("—");
+        const prefix = this.tag.value === ""? "": `${this.tag.value}—`;
         if (pos === -1) {
-            this.editor.description.value = prefix + this.editor.description.value;
+            this.editor.description = `${prefix}${this.editor.description}`;
         } else {
-            this.editor.description.value = prefix + this.editor.description.value.substring(pos + 1);
+            this.editor.description = `${prefix}${this.editor.description.substring(pos + 1)}`;
         }
     }
 
@@ -556,7 +751,7 @@ class GeneralTagTab extends TagTabPlane {
      * @override
      */
     populate() {
-        const found = this.editor.description.value.match(/^([^—]+)—/);
+        const found = this.editor.description.match(/^([^—]+)—/);
         if (found === null) {
             return false;
         }
@@ -583,7 +778,7 @@ class GeneralTagTab extends TagTabPlane {
  *
  * @private
  */
-class GeneralTripTab extends TagTabPlane {
+class DescriptionEditorGeneralTripTab extends DescriptionEditorTagTabPlane {
 
     /**
      * The origin
@@ -623,12 +818,12 @@ class GeneralTripTab extends TagTabPlane {
      */
     constructor(editor) {
         super(editor);
-        this.#from = document.getElementById(this.prefix + "-from");
-        this.#fromError = document.getElementById(this.prefix + "-from-error");
-        this.#to = document.getElementById(this.prefix + "-to");
-        this.#toError = document.getElementById(this.prefix + "-to-error")
+        this.#from = document.getElementById(`${this.prefix}-from`);
+        this.#fromError = document.getElementById(`${this.prefix}-from-error`);
+        this.#to = document.getElementById(`${this.prefix}-to`);
+        this.#toError = document.getElementById(`${this.prefix}-to-error`)
         // noinspection JSValidateTypes
-        this.#directionButtons = Array.from(document.getElementsByClassName(this.prefix + "-direction"));
+        this.#directionButtons = Array.from(document.getElementsByClassName(`${this.prefix}-direction`));
         this.#from.onchange = () => {
             this.#from.value = this.#from.value.trim();
             this.updateDescription();
@@ -675,7 +870,7 @@ class GeneralTripTab extends TagTabPlane {
                 break;
             }
         }
-        this.editor.description.value = this.tag.value + "—" + this.#from.value + direction + this.#to.value;
+        this.editor.description = `${this.tag.value}—${this.#from.value}${direction}${this.#to.value}`;
     }
 
     /**
@@ -709,7 +904,7 @@ class GeneralTripTab extends TagTabPlane {
      * @override
      */
     populate() {
-        const found = this.editor.description.value.match(/^([^—]+)—([^—→↔]+)([→↔])(.+?)(?:[*×]\d+)?(?:\([^()]+\))?$/);
+        const found = this.editor.description.match(/^([^—]+)—([^—→↔]+)([→↔])(.+?)(?:[*×]\d+)?(?:\([^()]+\))?$/);
         if (found === null) {
             return false;
         }
@@ -782,7 +977,7 @@ class GeneralTripTab extends TagTabPlane {
  *
  * @private
  */
-class BusTripTab extends TagTabPlane {
+class DescriptionEditorBusTripTab extends DescriptionEditorTagTabPlane {
 
     /**
      * The route
@@ -828,12 +1023,12 @@ class BusTripTab extends TagTabPlane {
      */
     constructor(editor) {
         super(editor);
-        this.#route = document.getElementById(this.prefix + "-route");
-        this.#routeError = document.getElementById(this.prefix + "-route-error");
-        this.#from = document.getElementById(this.prefix + "-from");
-        this.#fromError = document.getElementById(this.prefix + "-from-error");
-        this.#to = document.getElementById(this.prefix + "-to");
-        this.#toError = document.getElementById(this.prefix + "-to-error")
+        this.#route = document.getElementById(`${this.prefix}-route`);
+        this.#routeError = document.getElementById(`${this.prefix}-route-error`);
+        this.#from = document.getElementById(`${this.prefix}-from`);
+        this.#fromError = document.getElementById(`${this.prefix}-from-error`);
+        this.#to = document.getElementById(`${this.prefix}-to`);
+        this.#toError = document.getElementById(`${this.prefix}-to-error`)
         this.#route.onchange = () => {
             this.#route.value = this.#route.value.trim();
             this.updateDescription();
@@ -867,7 +1062,7 @@ class BusTripTab extends TagTabPlane {
      * @override
      */
     updateDescription() {
-        this.editor.description.value = this.tag.value + "—" + this.#route.value + "—" + this.#from.value + "→" + this.#to.value;
+        this.editor.description = `${this.tag.value}—${this.#route.value}—${this.#from.value}→${this.#to.value}`;
     }
 
     /**
@@ -895,7 +1090,7 @@ class BusTripTab extends TagTabPlane {
      * @override
      */
     populate() {
-        const found = this.editor.description.value.match(/^([^—]+)—([^—]+)—([^—→]+)→(.+?)(?:[*×]\d+)?(?:\([^()]+\))?$/);
+        const found = this.editor.description.match(/^([^—]+)—([^—]+)—([^—→]+)→(.+?)(?:[*×]\d+)?(?:\([^()]+\))?$/);
         if (found === null) {
             return false;
         }
@@ -970,7 +1165,7 @@ class BusTripTab extends TagTabPlane {
  *
  * @private
  */
-class RecurringTransactionTab extends TabPlane {
+class DescriptionEditorRecurringTab extends DescriptionEditorTabPlane {
 
     /**
      * The month names
@@ -999,14 +1194,14 @@ class RecurringTransactionTab extends TabPlane {
             A_("September"), A_("October"), A_("November"), A_("December"),
         ];
         // noinspection JSValidateTypes
-        this.#itemButtons = Array.from(document.getElementsByClassName(this.prefix + "-item"));
+        this.#itemButtons = Array.from(document.getElementsByClassName(`${this.prefix}-item`));
         for (const itemButton of this.#itemButtons) {
             itemButton.onclick = () => {
                 this.reset();
                 itemButton.classList.add("btn-primary");
                 itemButton.classList.remove("btn-outline-primary");
-                this.editor.description.value = this.#getDescription(itemButton);
-                this.editor.filterSuggestedAccounts(itemButton);
+                this.editor.description = this.#getDescription(itemButton);
+                this.editor.updateCurrentSuggestedAccounts(itemButton);
             };
         }
     }
@@ -1028,8 +1223,8 @@ class RecurringTransactionTab extends TabPlane {
             .replaceAll("{this_month_name}", this.#monthNames[thisMonth])
             .replaceAll("{last_month_number}", String(lastMonth))
             .replaceAll("{last_month_name}", this.#monthNames[lastMonth])
-            .replaceAll("{last_bimonthly_number}", String(lastBimonthlyFrom) + "–" + String(lastBimonthlyTo))
-            .replaceAll("{last_bimonthly_name}", this.#monthNames[lastBimonthlyFrom] + "–" + this.#monthNames[lastBimonthlyTo]);
+            .replaceAll("{last_bimonthly_number}", `${String(lastBimonthlyFrom)}–${String(lastBimonthlyTo)}`)
+            .replaceAll("{last_bimonthly_name}", `${this.#monthNames[lastBimonthlyFrom]}–${this.#monthNames[lastBimonthlyTo]}`);
     }
 
     /**
@@ -1062,7 +1257,7 @@ class RecurringTransactionTab extends TabPlane {
      */
     populate() {
         for (const itemButton of this.#itemButtons) {
-            if (this.#getDescription(itemButton) === this.editor.description.value) {
+            if (this.#getDescription(itemButton) === this.editor.description) {
                 itemButton.classList.add("btn-primary");
                 itemButton.classList.remove("btn-outline-primary");
                 this.switchToMe();
@@ -1080,7 +1275,7 @@ class RecurringTransactionTab extends TabPlane {
         super.switchToMe();
         for (const itemButton of this.#itemButtons) {
             if (itemButton.classList.contains("btn-primary")) {
-                this.editor.filterSuggestedAccounts(itemButton);
+                this.editor.updateCurrentSuggestedAccounts(itemButton);
                 return;
             }
         }
@@ -1103,7 +1298,7 @@ class RecurringTransactionTab extends TabPlane {
  *
  * @private
  */
-class AnnotationTab extends TabPlane {
+class DescriptionEditorAnnotationTab extends DescriptionEditorTabPlane {
 
     /**
      * Constructs a tab plane.
@@ -1136,15 +1331,15 @@ class AnnotationTab extends TabPlane {
      * @override
      */
     updateDescription() {
-        const found = this.editor.description.value.match(/^(.*?)(?:[*×]\d+)?(?:\([^()]+\))?$/);
+        const found = this.editor.description.match(/^(.*?)(?:[*×]\d+)?(?:\([^()]+\))?$/);
         if (found !== null) {
-            this.editor.description.value = found[1];
+            this.editor.description = found[1];
         }
         if (parseInt(this.editor.number.value) > 1) {
-            this.editor.description.value = this.editor.description.value + "×" + this.editor.number.value;
+            this.editor.description = `${this.editor.description}×${this.editor.number.value}`;
         }
         if (this.editor.note.value !== "") {
-            this.editor.description.value = this.editor.description.value + "(" + this.editor.note.value + ")";
+            this.editor.description = `${this.editor.description}(${this.editor.note.value})`;
         }
     }
 
@@ -1165,19 +1360,19 @@ class AnnotationTab extends TabPlane {
      * @override
      */
     populate() {
-        const found = this.editor.description.value.match(/^(.*?)(?:[*×](\d+))?(?:\(([^()]+)\))?$/);
-        this.editor.description.value = found[1];
+        const found = this.editor.description.match(/^(.*?)(?:[*×](\d+))?(?:\(([^()]+)\))?$/);
+        this.editor.description = found[1];
         if (found[2] === undefined || parseInt(found[2]) === 1) {
             this.editor.number.value = "";
         } else {
             this.editor.number.value = found[2];
-            this.editor.description.value = this.editor.description.value + "×" + this.editor.number.value;
+            this.editor.description = `${this.editor.description}×${this.editor.number.value}`;
         }
         if (found[3] === undefined) {
             this.editor.note.value = "";
         } else {
             this.editor.note.value = found[3];
-            this.editor.description.value = this.editor.description.value + "(" + this.editor.note.value + ")";
+            this.editor.description = `${this.editor.description}(${this.editor.note.value})`;
         }
         return true;
     }

src/accounting/static/js/drag-and-drop-reorder.js

@@ -1,4 +1,4 @@
-/* The Mia! Accounting Flask Project
+/* The Mia! Accounting Project
  * drag-and-drop-reorder.js: The JavaScript for the reorder a list with drag-and-drop
  */
 

src/accounting/static/js/journal-entry-account-selector.js

@@ -1,4 +1,4 @@
-/* The Mia! Accounting Flask Project
+/* The Mia! Accounting Project
  * journal-entry-account-selector.js: The JavaScript for the account selector of the journal entry form
  */
 
@@ -91,13 +91,13 @@ class JournalEntryAccountSelector {
     constructor(lineItemEditor, debitCredit) {
         this.lineItemEditor = lineItemEditor
         this.#debitCredit = debitCredit;
-        const prefix = "accounting-account-selector-" + debitCredit;
-        this.#query = document.getElementById(prefix + "-query");
-        this.#queryNoResult = document.getElementById(prefix + "-option-no-result");
-        this.#optionList = document.getElementById(prefix + "-option-list");
-        this.#options = Array.from(document.getElementsByClassName(prefix + "-option")).map((element) => new JournalEntryAccountOption(this, element));
-        this.#more = document.getElementById(prefix + "-more");
-        this.#clearButton = document.getElementById(prefix + "-btn-clear");
+        const prefix = `accounting-account-selector-${debitCredit}`;
+        this.#query = document.getElementById(`${prefix}-query`);
+        this.#queryNoResult = document.getElementById(`${prefix}-option-no-result`);
+        this.#optionList = document.getElementById(`${prefix}-option-list`);
+        this.#options = Array.from(document.getElementsByClassName(`${prefix}-option`)).map((element) => new JournalEntryAccountOption(this, element));
+        this.#more = document.getElementById(`${prefix}-more`);
+        this.#clearButton = document.getElementById(`${prefix}-btn-clear`);
 
         this.#more.onclick = () => {
             this.#isShowMore = true;
@@ -123,7 +123,7 @@ class JournalEntryAccountSelector {
                 option.setShown(false);
             }
         }
-        if (!isAnyMatched) {
+        if (!isAnyMatched && this.#isShowMore) {
             this.#optionList.classList.add("d-none");
             this.#queryNoResult.classList.remove("d-none");
         } else {
@@ -139,8 +139,8 @@ class JournalEntryAccountSelector {
      */
     #getCodesUsedInForm() {
         const inUse = this.lineItemEditor.form.getAccountCodesUsed(this.#debitCredit);
-        if (this.lineItemEditor.accountCode !== null) {
-            inUse.push(this.lineItemEditor.accountCode);
+        if (this.lineItemEditor.account !== null) {
+            inUse.push(this.lineItemEditor.account.code);
         }
         return inUse
     }
@@ -155,9 +155,9 @@ class JournalEntryAccountSelector {
         this.#more.classList.remove("d-none");
         this.#filterOptions();
         for (const option of this.#options) {
-            option.setActive(option.code === this.lineItemEditor.accountCode);
+            option.setActive(this.lineItemEditor.account !== null && option.code === this.lineItemEditor.account.code);
         }
-        if (this.lineItemEditor.accountCode === null) {
+        if (this.lineItemEditor.account === null) {
             this.#clearButton.classList.add("btn-secondary");
             this.#clearButton.classList.remove("btn-danger");
             this.#clearButton.disabled = true;
@@ -190,12 +190,6 @@ class JournalEntryAccountSelector {
  */
 class JournalEntryAccountOption {
 
-    /**
-     * The account selector
-     * @type {JournalEntryAccountSelector}
-     */
-    #selector;
-
     /**
      * The element
      * @type {HTMLLIElement}
@@ -239,7 +233,6 @@ class JournalEntryAccountOption {
      * @param element {HTMLLIElement} the element
      */
     constructor(selector, element) {
-        this.#selector = selector;
         this.#element = element;
         this.code = element.dataset.code;
         this.text = element.dataset.text;
@@ -247,7 +240,7 @@ class JournalEntryAccountOption {
         this.isNeedOffset = element.classList.contains("accounting-account-is-need-offset");
         this.#queryValues = JSON.parse(element.dataset.queryValues);
 
-        this.#element.onclick = () => this.#selector.lineItemEditor.saveAccount(this);
+        this.#element.onclick = () => selector.lineItemEditor.saveAccount(this);
     }
 
     /**

src/accounting/static/js/journal-entry-form.js

@@ -1,4 +1,4 @@
-/* The Mia! Accounting Flask Project
+/* The Mia! Accounting Project
  * journal-entry-form.js: The JavaScript for the journal entry form
  */
 
@@ -128,7 +128,7 @@ class JournalEntryForm {
             const html = this.#element.dataset.currencyTemplate
                 .replaceAll("CURRENCY_INDEX", escapeHtml(String(newIndex)));
             this.#currencyList.insertAdjacentHTML("beforeend", html);
-            const element = document.getElementById("accounting-currency-" + String(newIndex));
+            const element = document.getElementById(`accounting-currency-${String(newIndex)}`);
             this.#currencies.push(new CurrencySubForm(this, element));
             this.#resetDeleteCurrencyButtons();
             this.#initializeDragAndDropReordering();
@@ -207,8 +207,8 @@ class JournalEntryForm {
      * @return {string[]} the account codes used in the form
      */
     getAccountCodesUsed(debitCredit) {
-        return this.getLineItems(debitCredit).map((lineItem) => lineItem.accountCode)
-            .filter((code) => code !== null);
+        return this.getLineItems(debitCredit).filter((lineItem) => lineItem.account !== null)
+            .map((lineItem) => lineItem.account.code);
     }
 
     /**
@@ -415,16 +415,16 @@ class CurrencySubForm {
         this.#element = element;
         this.form = form;
         this.index = parseInt(this.#element.dataset.index);
-        const prefix = "accounting-currency-" + String(this.index);
-        this.#control = document.getElementById(prefix + "-control");
-        this.#error = document.getElementById(prefix + "-error");
-        this.#no = document.getElementById(prefix + "-no");
-        this.#code = document.getElementById(prefix + "-code");
-        this.#codeSelect = document.getElementById(prefix + "-code-select");
-        this.#deleteButton = document.getElementById(prefix + "-delete");
-        const debitElement = document.getElementById(prefix + "-debit");
+        const prefix = `accounting-currency-${String(this.index)}`;
+        this.#control = document.getElementById(`${prefix}-control`);
+        this.#error = document.getElementById(`${prefix}-error`);
+        this.#no = document.getElementById(`${prefix}-no`);
+        this.#code = document.getElementById(`${prefix}-code`);
+        this.#codeSelect = document.getElementById(`${prefix}-code-select`);
+        this.#deleteButton = document.getElementById(`${prefix}-delete`);
+        const debitElement = document.getElementById(`${prefix}-debit`);
         this.#debit = debitElement === null? null: new DebitCreditSubForm(this, debitElement, "debit");
-        const creditElement = document.getElementById(prefix + "-credit");
+        const creditElement = document.getElementById(`${prefix}-credit`);
         this.#credit = creditElement == null? null: new DebitCreditSubForm(this, creditElement, "credit");
         this.#codeSelect.onchange = () => this.#code.value = this.#codeSelect.value;
         this.#deleteButton.onclick = () => {
@@ -457,11 +457,7 @@ class CurrencySubForm {
      * @param isShown {boolean} true to show, or false otherwise
      */
     setDeleteButtonShown(isShown) {
-        if (isShown) {
-            this.#deleteButton.classList.remove("d-none");
-        } else {
-            this.#deleteButton.classList.add("d-none");
-        }
+        setElementShown(this.#deleteButton, isShown);
     }
 
     /**
@@ -617,13 +613,13 @@ class DebitCreditSubForm {
         this.#element = element;
         this.#currencyIndex = currency.index;
         this.debitCredit = debitCredit;
-        this.#prefix = "accounting-currency-" + String(this.#currencyIndex) + "-" + debitCredit;
-        this.#content = document.getElementById(this.#prefix + "-content");
-        this.#error = document.getElementById(this.#prefix + "-error");
-        this.#lineItemList = document.getElementById(this.#prefix + "-list");
+        this.#prefix = `accounting-currency-${String(this.#currencyIndex)}-${debitCredit}`;
+        this.#content = document.getElementById(`${this.#prefix}-content`);
+        this.#error = document.getElementById(`${this.#prefix}-error`);
+        this.#lineItemList = document.getElementById(`${this.#prefix}-list`);
         this.lineItems = Array.from(document.getElementsByClassName(this.#prefix)).map((element) => new LineItemSubForm(this, element));
-        this.#total = document.getElementById(this.#prefix + "-total");
-        this.#addLineItemButton = document.getElementById(this.#prefix + "-add-line-item");
+        this.#total = document.getElementById(`${this.#prefix}-total`);
+        this.#addLineItemButton = document.getElementById(`${this.#prefix}-add-line-item`);
 
         this.#resetContent();
         this.#addLineItemButton.onclick = () => this.currency.form.lineItemEditor.onAddNew(this);
@@ -653,7 +649,7 @@ class DebitCreditSubForm {
             .replaceAll("DEBIT_CREDIT", escapeHtml(this.debitCredit))
             .replaceAll("LINE_ITEM_INDEX", escapeHtml(String(newIndex)));
         this.#lineItemList.insertAdjacentHTML("beforeend", html);
-        const lineItem = new LineItemSubForm(this, document.getElementById(this.#prefix + "-" + String(newIndex)));
+        const lineItem = new LineItemSubForm(this, document.getElementById(`${this.#prefix}-${String(newIndex)}`));
         this.lineItems.push(lineItem);
         this.#resetContent();
         this.#resetDeleteLineItemButtons();
@@ -700,20 +696,19 @@ class DebitCreditSubForm {
             this.#element.classList.remove("accounting-not-empty");
             this.#element.classList.add("accounting-clickable");
             this.#element.dataset.bsToggle = "modal"
-            this.#element.dataset.bsTarget = "#" + this.currency.form.lineItemEditor.modal.id;
+            this.#element.dataset.bsTarget = `#${this.currency.form.lineItemEditor.modal.id}`;
             this.#element.onclick = () => {
                 this.#element.classList.add("accounting-not-empty");
                 this.currency.form.lineItemEditor.onAddNew(this);
             };
-            this.#content.classList.add("d-none");
         } else {
             this.#element.classList.add("accounting-not-empty");
             this.#element.classList.remove("accounting-clickable");
             delete this.#element.dataset.bsToggle;
             delete this.#element.dataset.bsTarget;
             this.#element.onclick = null;
-            this.#content.classList.remove("d-none");
         }
+        setElementShown(this.#content, this.lineItems.length !== 0);
     }
 
     /**
@@ -784,6 +779,53 @@ class DebitCreditSubForm {
     }
 }
 
+/**
+ * A journal entry account.
+ *
+ */
+class JournalEntryAccount {
+
+    /**
+     * The account code
+     * @type {string}
+     */
+    code;
+
+    /**
+     * The account text
+     * @type {string}
+     */
+    text;
+
+    /**
+     * Whether the line items in the account needs offset
+     * @type {boolean}
+     */
+    isNeedOffset;
+
+    /**
+     * Constructs a journal entry account.
+     *
+     * @param code {string} the account code
+     * @param text {string} the account text
+     * @param isNeedOffset {boolean} true if the line items in the account needs offset, or false otherwise
+     */
+    constructor(code, text, isNeedOffset) {
+        this.code = code;
+        this.text = text;
+        this.isNeedOffset = isNeedOffset;
+    }
+
+    /**
+     * Returns a copy of the account.
+     *
+     * @return {JournalEntryAccount} the copy of the account
+     */
+    copy() {
+        return new JournalEntryAccount(this.code, this.text, this.isNeedOffset);
+    }
+}
+
 /**
  * The line item sub-form.
  *
@@ -910,20 +952,20 @@ class LineItemSubForm {
         this.debitCredit = element.dataset.debitCredit;
         this.index = parseInt(element.dataset.lineItemIndex);
         this.isMatched = element.classList.contains("accounting-matched-line-item");
-        const prefix = "accounting-currency-" + element.dataset.currencyIndex + "-" + this.debitCredit + "-" + String(this.index);
-        this.#control = document.getElementById(prefix + "-control");
-        this.#error = document.getElementById(prefix + "-error");
-        this.#no = document.getElementById(prefix + "-no");
-        this.#accountCode = document.getElementById(prefix + "-account-code");
-        this.#accountText = document.getElementById(prefix + "-account-text");
-        this.#description = document.getElementById(prefix + "-description");
-        this.#descriptionText = document.getElementById(prefix + "-description-text");
-        this.#originalLineItemId = document.getElementById(prefix + "-original-line-item-id");
-        this.#originalLineItemText = document.getElementById(prefix + "-original-line-item-text");
-        this.#offsets = document.getElementById(prefix + "-offsets");
-        this.#amount = document.getElementById(prefix + "-amount");
-        this.#amountText = document.getElementById(prefix + "-amount-text");
-        this.#deleteButton = document.getElementById(prefix + "-delete");
+        const prefix = `accounting-currency-${element.dataset.currencyIndex}-${this.debitCredit}-${String(this.index)}`;
+        this.#control = document.getElementById(`${prefix}-control`);
+        this.#error = document.getElementById(`${prefix}-error`);
+        this.#no = document.getElementById(`${prefix}-no`);
+        this.#accountCode = document.getElementById(`${prefix}-account-code`);
+        this.#accountText = document.getElementById(`${prefix}-account-text`);
+        this.#description = document.getElementById(`${prefix}-description`);
+        this.#descriptionText = document.getElementById(`${prefix}-description-text`);
+        this.#originalLineItemId = document.getElementById(`${prefix}-original-line-item-id`);
+        this.#originalLineItemText = document.getElementById(`${prefix}-original-line-item-text`);
+        this.#offsets = document.getElementById(`${prefix}-offsets`);
+        this.#amount = document.getElementById(`${prefix}-amount`);
+        this.#amountText = document.getElementById(`${prefix}-amount-text`);
+        this.#deleteButton = document.getElementById(`${prefix}-delete`);
         this.#control.onclick = () => this.debitCreditSubForm.currency.form.lineItemEditor.onEdit(this);
         this.#deleteButton.onclick = () => {
             this.#element.parentElement.removeChild(this.#element);
@@ -940,15 +982,6 @@ class LineItemSubForm {
         this.#no.value = String(siblings.indexOf(this.#element) + 1);
     }
 
-    /**
-     * Returns whether the line item needs offset.
-     *
-     * @return {boolean} true if the line item needs offset, or false otherwise
-     */
-    get isNeedOffset() {
-        return "isNeedOffset" in this.#element.dataset;
-    }
-
     /**
      * Returns the ID of the original line item.
      *
@@ -986,21 +1019,12 @@ class LineItemSubForm {
     }
 
     /**
-     * Returns the account code.
+     * Returns the account.
      *
-     * @return {string|null} the account code
+     * @return {JournalEntryAccount|null} the account
      */
-    get accountCode() {
-        return this.#accountCode.value === ""? null: this.#accountCode.value;
-    }
-
-    /**
-     * Returns the account text.
-     *
-     * @return {string|null} the account text
-     */
-    get accountText() {
-        return this.#accountCode.dataset.text === ""? null: this.#accountCode.dataset.text;
+    get account() {
+        return this.#accountCode.value === null? null: new JournalEntryAccount(this.#accountCode.value, this.#accountCode.dataset.text, this.#accountCode.classList.contains("accounting-account-is-need-offset"));
     }
 
     /**
@@ -1027,11 +1051,7 @@ class LineItemSubForm {
      * @param isShown {boolean} true to show, or false otherwise
      */
     setDeleteButtonShown(isShown) {
-        if (isShown) {
-            this.#deleteButton.classList.remove("d-none");
-        } else {
-            this.#deleteButton.classList.add("d-none");
-        }
+        setElementShown(this.#deleteButton, isShown);
     }
 
     /**
@@ -1061,24 +1081,24 @@ class LineItemSubForm {
      * @param editor {JournalEntryLineItemEditor} the line item editor
      */
     save(editor) {
-        if (editor.isNeedOffset) {
-            this.#offsets.classList.remove("d-none");
-        } else {
-            this.#offsets.classList.add("d-none");
-        }
+        setElementShown(this.#offsets, editor.account.isNeedOffset);
         this.#originalLineItemId.value = editor.originalLineItemId === null? "": editor.originalLineItemId;
         this.#originalLineItemId.dataset.date = editor.originalLineItemDate === null? "": editor.originalLineItemDate;
         this.#originalLineItemId.dataset.text = editor.originalLineItemText === null? "": editor.originalLineItemText;
+        setElementShown(this.#originalLineItemText, editor.originalLineItemText !== null);
         if (editor.originalLineItemText === null) {
-            this.#originalLineItemText.classList.add("d-none");
             this.#originalLineItemText.innerText = "";
         } else {
-            this.#originalLineItemText.classList.remove("d-none");
             this.#originalLineItemText.innerText = A_("Offset %(item)s", {item: editor.originalLineItemText});
         }
-        this.#accountCode.value = editor.accountCode === null? "": editor.accountCode;
-        this.#accountCode.dataset.text = editor.accountText === null? "": editor.accountText;
-        this.#accountText.innerText = editor.accountText === null? "": editor.accountText;
+        this.#accountCode.value = editor.account.code;
+        this.#accountCode.dataset.text = editor.account.text;
+        if (editor.account.isNeedOffset) {
+            this.#accountCode.classList.add("accounting-account-is-need-offset");
+        } else {
+            this.#accountCode.classList.remove("accounting-account-is-need-offset");
+        }
+        this.#accountText.innerText = editor.account.text;
         this.#description.value = editor.description === null? "": editor.description;
         this.#descriptionText.innerText = editor.description === null? "": editor.description;
         this.#amount.value = editor.amount;
@@ -1119,3 +1139,18 @@ function formatDecimal(number) {
     const whole = Number(number.minus(frac)).toLocaleString();
     return whole + String(frac).substring(1);
 }
+
+/**
+ * Sets whether an element is shown.
+ *
+ * @param element {HTMLElement} the element
+ * @param isShown {boolean} true to show, or false otherwise
+ * @private
+ */
+function setElementShown(element, isShown) {
+    if (isShown) {
+        element.classList.remove("d-none");
+    } else {
+        element.classList.add("d-none");
+    }
+}

src/accounting/static/js/journal-entry-line-item-editor.js

@@ -1,4 +1,4 @@
-/* The Mia! Accounting Flask Project
+/* The Mia! Accounting Project
  * journal-entry-line-item-editor.js: The JavaScript for the journal entry line item editor
  */
 
@@ -148,12 +148,6 @@ class JournalEntryLineItemEditor {
      */
     #debitCreditSubForm;
 
-    /**
-     * Whether the journal entry line item needs offset
-     * @type {boolean}
-     */
-    isNeedOffset = false;
-
     /**
      * The ID of the original line item
      * @type {string|null}
@@ -173,16 +167,16 @@ class JournalEntryLineItemEditor {
     originalLineItemText = null;
 
     /**
-     * The account code
-     * @type {string|null}
+     * The account
+     * @type {JournalEntryAccount|null}
      */
-    accountCode = null;
+    account = null;
 
     /**
-     * The account text
-     * @type {string|null}
+     * Whether the user has confirmed the account
+     * @type {boolean}
      */
-    accountText = null;
+    isAccountConfirmed = false;
 
     /**
      * The description
@@ -216,20 +210,20 @@ class JournalEntryLineItemEditor {
     constructor(form) {
         this.form = form;
         this.#element = document.getElementById(this.#prefix);
-        this.modal = document.getElementById(this.#prefix + "-modal");
-        this.#originalLineItemContainer = document.getElementById(this.#prefix + "-original-line-item-container");
-        this.#originalLineItemControl = document.getElementById(this.#prefix + "-original-line-item-control");
-        this.#originalLineItemText = document.getElementById(this.#prefix + "-original-line-item");
-        this.#originalLineItemError = document.getElementById(this.#prefix + "-original-line-item-error");
-        this.#originalLineItemDelete = document.getElementById(this.#prefix + "-original-line-item-delete");
-        this.#descriptionControl = document.getElementById(this.#prefix + "-description-control");
-        this.#descriptionText = document.getElementById(this.#prefix + "-description");
-        this.#descriptionError = document.getElementById(this.#prefix + "-description-error");
-        this.#accountControl = document.getElementById(this.#prefix + "-account-control");
-        this.#accountText = document.getElementById(this.#prefix + "-account");
-        this.#accountError = document.getElementById(this.#prefix + "-account-error")
-        this.#amountInput = document.getElementById(this.#prefix + "-amount");
-        this.#amountError = document.getElementById(this.#prefix + "-amount-error");
+        this.modal = document.getElementById(`${this.#prefix}-modal`);
+        this.#originalLineItemContainer = document.getElementById(`${this.#prefix}-original-line-item-container`);
+        this.#originalLineItemControl = document.getElementById(`${this.#prefix}-original-line-item-control`);
+        this.#originalLineItemText = document.getElementById(`${this.#prefix}-original-line-item`);
+        this.#originalLineItemError = document.getElementById(`${this.#prefix}-original-line-item-error`);
+        this.#originalLineItemDelete = document.getElementById(`${this.#prefix}-original-line-item-delete`);
+        this.#descriptionControl = document.getElementById(`${this.#prefix}-description-control`);
+        this.#descriptionText = document.getElementById(`${this.#prefix}-description`);
+        this.#descriptionError = document.getElementById(`${this.#prefix}-description-error`);
+        this.#accountControl = document.getElementById(`${this.#prefix}-account-control`);
+        this.#accountText = document.getElementById(`${this.#prefix}-account`);
+        this.#accountError = document.getElementById(`${this.#prefix}-account-error`)
+        this.#amountInput = document.getElementById(`${this.#prefix}-amount`);
+        this.#amountError = document.getElementById(`${this.#prefix}-amount-error`);
         this.#descriptionEditors = DescriptionEditor.getInstances(this);
         this.#accountSelectors = JournalEntryAccountSelector.getInstances(this);
         this.originalLineItemSelector = new OriginalLineItemSelector(this);
@@ -276,7 +270,6 @@ class JournalEntryLineItemEditor {
      * @param originalLineItem {OriginalLineItem} the original line item
      */
     saveOriginalLineItem(originalLineItem) {
-        this.isNeedOffset = false;
         this.#originalLineItemContainer.classList.remove("d-none");
         this.#originalLineItemControl.classList.add("accounting-not-empty");
         this.originalLineItemId = originalLineItem.id;
@@ -292,9 +285,9 @@ class JournalEntryLineItemEditor {
         this.description = originalLineItem.description === ""? null: originalLineItem.description;
         this.#descriptionText.innerText = originalLineItem.description;
         this.#accountControl.classList.add("accounting-not-empty");
-        this.accountCode = originalLineItem.accountCode;
-        this.accountText = originalLineItem.accountText;
-        this.#accountText.innerText = originalLineItem.accountText;
+        this.account = originalLineItem.account.copy();
+        this.isAccountConfirmed = false;
+        this.#accountText.innerText = this.account.text;
         this.#amountInput.value = String(originalLineItem.netBalance);
         this.#amountInput.max = String(originalLineItem.netBalance);
         this.#amountInput.min = "0";
@@ -306,7 +299,6 @@ class JournalEntryLineItemEditor {
      *
      */
     clearOriginalLineItem() {
-        this.isNeedOffset = false;
         this.#originalLineItemContainer.classList.add("d-none");
         this.#originalLineItemControl.classList.remove("accounting-not-empty");
         this.originalLineItemId = null;
@@ -315,8 +307,8 @@ class JournalEntryLineItemEditor {
         this.#originalLineItemText.innerText = "";
         this.#setEnableDescriptionAccount(true);
         this.#accountControl.classList.remove("accounting-not-empty");
-        this.accountCode = null;
-        this.accountText = null;
+        this.account = null;
+        this.isAccountConfirmed = false;
         this.#accountText.innerText = "";
         this.#amountInput.max = "";
     }
@@ -324,47 +316,35 @@ class JournalEntryLineItemEditor {
     /**
      * Saves the description from the description editor.
      *
-     * @param description {string} the description
+     * @param editor {DescriptionEditor} the description editor
      */
-    saveDescription(description) {
-        if (description === "") {
+    saveDescription(editor) {
+        if (editor.selectedAccount !== null) {
+            this.#accountControl.classList.add("accounting-not-empty");
+            this.account = editor.selectedAccount.copy();
+            this.#accountText.innerText = editor.selectedAccount.text;
+            this.isAccountConfirmed = editor.isAccountConfirmed;
+            this.#validateAccount();
+        }
+        if (editor.description === "") {
             this.#descriptionControl.classList.remove("accounting-not-empty");
         } else {
             this.#descriptionControl.classList.add("accounting-not-empty");
         }
-        this.description = description === ""? null: description;
-        this.#descriptionText.innerText = description;
+        this.description = editor.description === ""? null: editor.description;
+        this.#descriptionText.innerText = editor.description;
         this.#validateDescription();
         bootstrap.Modal.getOrCreateInstance(this.modal).show();
     }
 
-    /**
-     * Saves the description with the suggested account from the description editor.
-     *
-     * @param description {string} the description
-     * @param accountCode {string} the account code
-     * @param accountText {string} the account text
-     * @param isAccountNeedOffset {boolean} true if the line items in the account need offset, or false otherwise
-     */
-    saveDescriptionWithAccount(description, accountCode, accountText, isAccountNeedOffset) {
-        this.isNeedOffset = isAccountNeedOffset;
-        this.#accountControl.classList.add("accounting-not-empty");
-        this.accountCode = accountCode;
-        this.accountText = accountText;
-        this.#accountText.innerText = accountText;
-        this.#validateAccount();
-        this.saveDescription(description)
-    }
-
     /**
      * Clears the account.
      *
      */
     clearAccount() {
-        this.isNeedOffset = false;
         this.#accountControl.classList.remove("accounting-not-empty");
-        this.accountCode = null;
-        this.accountText = null;
+        this.account = null;
+        this.isAccountConfirmed = false;
         this.#accountText.innerText = "";
         this.#validateAccount();
     }
@@ -375,10 +355,9 @@ class JournalEntryLineItemEditor {
      * @param account {JournalEntryAccountOption} the selected account
      */
     saveAccount(account) {
-        this.isNeedOffset = account.isNeedOffset;
         this.#accountControl.classList.add("accounting-not-empty");
-        this.accountCode = account.code;
-        this.accountText = account.text;
+        this.account = new JournalEntryAccount(account.code, account.text, account.isNeedOffset);
+        this.isAccountConfirmed = true;
         this.#accountText.innerText = account.text;
         this.#validateAccount();
     }
@@ -427,7 +406,7 @@ class JournalEntryLineItemEditor {
      * @return {boolean} true if valid, or false otherwise
      */
     #validateAccount() {
-        if (this.accountCode === null) {
+        if (this.account === null) {
             this.#accountControl.classList.add("is-invalid");
             this.#accountError.innerText = A_("Please select the account.");
             return false;
@@ -486,7 +465,6 @@ class JournalEntryLineItemEditor {
         this.lineItem = null;
         this.#debitCreditSubForm = debitCredit;
         this.debitCredit = this.#debitCreditSubForm.debitCredit;
-        this.isNeedOffset = false;
         this.#originalLineItemContainer.classList.add("d-none");
         this.#originalLineItemControl.classList.remove("accounting-not-empty");
         this.#originalLineItemControl.classList.remove("is-invalid");
@@ -502,8 +480,8 @@ class JournalEntryLineItemEditor {
         this.#descriptionError.innerText = ""
         this.#accountControl.classList.remove("accounting-not-empty");
         this.#accountControl.classList.remove("is-invalid");
-        this.accountCode = null;
-        this.accountText = null;
+        this.account = null;
+        this.isAccountConfirmed = false;
         this.#accountText.innerText = "";
         this.#accountError.innerText = "";
         this.#amountInput.value = "";
@@ -522,7 +500,6 @@ class JournalEntryLineItemEditor {
         this.lineItem = lineItem;
         this.#debitCreditSubForm = lineItem.debitCreditSubForm;
         this.debitCredit = this.#debitCreditSubForm.debitCredit;
-        this.isNeedOffset = lineItem.isNeedOffset;
         this.originalLineItemId = lineItem.originalLineItemId;
         this.originalLineItemDate = lineItem.originalLineItemDate;
         this.originalLineItemText = lineItem.originalLineItemText;
@@ -542,14 +519,14 @@ class JournalEntryLineItemEditor {
             this.#descriptionControl.classList.add("accounting-not-empty");
         }
         this.#descriptionText.innerText = this.description === null? "": this.description;
-        if (lineItem.accountCode === null) {
+        this.account = lineItem.account;
+        this.isAccountConfirmed = true;
+        if (this.account === null) {
             this.#accountControl.classList.remove("accounting-not-empty");
         } else {
             this.#accountControl.classList.add("accounting-not-empty");
         }
-        this.accountCode = lineItem.accountCode;
-        this.accountText = lineItem.accountText;
-        this.#accountText.innerText = this.accountText;
+        this.#accountText.innerText = this.account.text;
         this.#amountInput.value = lineItem.amount === null? "": String(lineItem.amount);
         const maxAmount = this.#getMaxAmount();
         this.#amountInput.max = maxAmount === null? "": maxAmount;
@@ -577,11 +554,11 @@ class JournalEntryLineItemEditor {
     #setEnableDescriptionAccount(isEnabled) {
         if (isEnabled) {
             this.#descriptionControl.dataset.bsToggle = "modal";
-            this.#descriptionControl.dataset.bsTarget = "#accounting-description-editor-" + this.#debitCreditSubForm.debitCredit + "-modal";
+            this.#descriptionControl.dataset.bsTarget = `#accounting-description-editor-${this.#debitCreditSubForm.debitCredit}-modal`;
             this.#descriptionControl.classList.remove("accounting-disabled");
             this.#descriptionControl.classList.add("accounting-clickable");
             this.#accountControl.dataset.bsToggle = "modal";
-            this.#accountControl.dataset.bsTarget = "#accounting-account-selector-" + this.#debitCreditSubForm.debitCredit + "-modal";
+            this.#accountControl.dataset.bsTarget = `#accounting-account-selector-${this.#debitCreditSubForm.debitCredit}-modal`;
             this.#accountControl.classList.remove("accounting-disabled");
             this.#accountControl.classList.add("accounting-clickable");
         } else {
@@ -596,3 +573,4 @@ class JournalEntryLineItemEditor {
         }
     }
 }
+

src/accounting/static/js/journal-entry-order.js

@@ -1,4 +1,4 @@
-/* The Mia! Accounting Flask Project
+/* The Mia! Accounting Project
  * journal-entry-order.js: The JavaScript for the journal entry order
  */
 
@@ -29,7 +29,7 @@ document.addEventListener("DOMContentLoaded", () => {
         const onReorder = () => {
             const accounts = Array.from(list.children);
             for (let i = 0; i < accounts.length; i++) {
-                const no = document.getElementById("accounting-order-" + accounts[i].dataset.id + "-no");
+                const no = document.getElementById(`accounting-order-${accounts[i].dataset.id}-no`);
                 no.value = String(i + 1);
             }
         };

src/accounting/static/js/material-fab-speed-dial.js

@@ -1,4 +1,4 @@
-/* The Mia! Accounting Flask Project
+/* The Mia! Accounting Project
  * material-fab-speed-dial.js: The JavaScript for the speed dial for the material floating buttons
  */
 

src/accounting/static/js/option-form.js

@@ -1,4 +1,4 @@
-/* The Mia! Accounting Flask Project
+/* The Mia! Accounting Project
  * account-form.js: The JavaScript for the account form
  */
 
@@ -242,12 +242,12 @@ class RecurringExpenseIncomeSubForm {
         this.#form = form;
         this.expenseIncome = expenseIncome;
         this.editor = new RecurringItemEditor(this);
-        this.#prefix = "accounting-recurring-" + expenseIncome;
+        this.#prefix = `accounting-recurring-${expenseIncome}`;
         this.#element = document.getElementById(this.#prefix);
-        this.#content = document.getElementById(this.#prefix + "-content");
-        this.#itemList = document.getElementById(this.#prefix + "-list");
-        this.#items = Array.from(document.getElementsByClassName(this.#prefix + "-item")).map((element) => new RecurringItemSubForm(this, element));
-        this.#addButton = document.getElementById(this.#prefix + "-add");
+        this.#content = document.getElementById(`${this.#prefix}-content`);
+        this.#itemList = document.getElementById(`${this.#prefix}-list`);
+        this.#items = Array.from(document.getElementsByClassName(`${this.#prefix}-item`)).map((element) => new RecurringItemSubForm(this, element));
+        this.#addButton = document.getElementById(`${this.#prefix}-add`);
 
         this.#resetContent();
         this.#addButton.onclick = () => this.editor.onAddNew();
@@ -265,7 +265,7 @@ class RecurringExpenseIncomeSubForm {
             .replaceAll("EXPENSE_INCOME", escapeHtml(this.expenseIncome))
             .replaceAll("ITEM_INDEX", escapeHtml(String(newIndex)));
         this.#itemList.insertAdjacentHTML("beforeend", html);
-        const element = document.getElementById(this.#prefix + "-" + String(newIndex))
+        const element = document.getElementById(`${this.#prefix}-${String(newIndex)}`)
         const item = new RecurringItemSubForm(this, element);
         this.#items.push(item);
         this.#resetContent();
@@ -294,7 +294,7 @@ class RecurringExpenseIncomeSubForm {
             this.#element.classList.remove("accounting-not-empty");
             this.#element.classList.add("accounting-clickable");
             this.#element.dataset.bsToggle = "modal"
-            this.#element.dataset.bsTarget = "#" + this.editor.modal.id;
+            this.#element.dataset.bsTarget = `#${this.editor.modal.id}`;
             this.#element.onclick = () => this.editor.onAddNew();
             this.#content.classList.add("d-none");
         } else {
@@ -441,17 +441,17 @@ class RecurringItemSubForm {
         this.#expenseIncomeSubForm = expenseIncomeSubForm
         this.#element = element;
         this.itemIndex = parseInt(element.dataset.itemIndex);
-        const prefix = "accounting-recurring-" + expenseIncomeSubForm.expenseIncome + "-" + element.dataset.itemIndex;
-        this.#control = document.getElementById(prefix + "-control");
-        this.#error = document.getElementById(prefix + "-error");
-        this.#no = document.getElementById(prefix + "-no");
-        this.#name = document.getElementById(prefix + "-name");
-        this.#nameText = document.getElementById(prefix + "-name-text");
-        this.#accountCode = document.getElementById(prefix + "-account-code");
-        this.#accountText = document.getElementById(prefix + "-account-text");
-        this.#descriptionTemplate = document.getElementById(prefix + "-description-template");
-        this.#descriptionTemplateText = document.getElementById(prefix + "-description-template-text");
-        this.deleteButton = document.getElementById(prefix + "-delete");
+        const prefix = `accounting-recurring-${expenseIncomeSubForm.expenseIncome}-${element.dataset.itemIndex}`;
+        this.#control = document.getElementById(`${prefix}-control`);
+        this.#error = document.getElementById(`${prefix}-error`);
+        this.#no = document.getElementById(`${prefix}-no`);
+        this.#name = document.getElementById(`${prefix}-name`);
+        this.#nameText = document.getElementById(`${prefix}-name-text`);
+        this.#accountCode = document.getElementById(`${prefix}-account-code`);
+        this.#accountText = document.getElementById(`${prefix}-account-text`);
+        this.#descriptionTemplate = document.getElementById(`${prefix}-description-template`);
+        this.#descriptionTemplateText = document.getElementById(`${prefix}-description-template-text`);
+        this.deleteButton = document.getElementById(`${prefix}-delete`);
 
         this.#control.onclick = () => this.#expenseIncomeSubForm.editor.onEdit(this);
         this.deleteButton.onclick = () => {
@@ -652,16 +652,16 @@ class RecurringItemEditor {
     constructor(subForm) {
         this.#subForm = subForm;
         this.expenseIncome = subForm.expenseIncome;
-        const prefix = "accounting-recurring-item-editor-" + subForm.expenseIncome;
+        const prefix = `accounting-recurring-item-editor-${subForm.expenseIncome}`;
         this.#form = document.getElementById(prefix);
-        this.modal = document.getElementById(prefix + "-modal");
-        this.#name = document.getElementById(prefix + "-name");
-        this.#nameError = document.getElementById(prefix + "-name-error");
-        this.#accountControl = document.getElementById(prefix + "-account-control");
-        this.#accountContainer = document.getElementById(prefix + "-account");
-        this.#accountError = document.getElementById(prefix + "-account-error");
-        this.#descriptionTemplate = document.getElementById(prefix + "-description-template");
-        this.#descriptionTemplateError = document.getElementById(prefix + "-description-template-error");
+        this.modal = document.getElementById(`${prefix}-modal`);
+        this.#name = document.getElementById(`${prefix}-name`);
+        this.#nameError = document.getElementById(`${prefix}-name-error`);
+        this.#accountControl = document.getElementById(`${prefix}-account-control`);
+        this.#accountContainer = document.getElementById(`${prefix}-account`);
+        this.#accountError = document.getElementById(`${prefix}-account-error`);
+        this.#descriptionTemplate = document.getElementById(`${prefix}-description-template`);
+        this.#descriptionTemplateError = document.getElementById(`${prefix}-description-template-error`);
         this.#accountSelector = new RecurringAccountSelector(this);
 
         this.#name.onchange = () => this.#validateName();
@@ -882,12 +882,12 @@ class RecurringAccountSelector {
     constructor(editor) {
         this.editor = editor;
         this.#expenseIncome = editor.expenseIncome;
-        const prefix = "accounting-recurring-accounting-selector-" + editor.expenseIncome;
-        this.#query = document.getElementById(prefix + "-query");
-        this.#queryNoResult = document.getElementById(prefix + "-option-no-result");
-        this.#optionList = document.getElementById(prefix + "-option-list");
-        this.#options = Array.from(document.getElementsByClassName(prefix + "-option")).map((element) => new RecurringAccount(this, element));
-        this.#clearButton = document.getElementById(prefix + "-clear");
+        const prefix = `accounting-recurring-accounting-selector-${editor.expenseIncome}`;
+        this.#query = document.getElementById(`${prefix}-query`);
+        this.#queryNoResult = document.getElementById(`${prefix}-option-no-result`);
+        this.#optionList = document.getElementById(`${prefix}-option-list`);
+        this.#options = Array.from(document.getElementsByClassName(`${prefix}-option`)).map((element) => new RecurringAccount(this, element));
+        this.#clearButton = document.getElementById(`${prefix}-clear`);
 
         this.#query.oninput = () => this.#filterOptions();
         this.#clearButton.onclick = () => this.editor.clearAccount();
@@ -944,12 +944,6 @@ class RecurringAccountSelector {
  */
 class RecurringAccount {
 
-    /**
-     * The account selector for the recurring item editor
-     * @type {RecurringAccountSelector}
-     */
-    #selector;
-
     /**
      * The element
      * @type {HTMLLIElement}
@@ -981,13 +975,12 @@ class RecurringAccount {
      * @param element {HTMLLIElement} the element
      */
     constructor(selector, element) {
-        this.#selector = selector;
         this.#element = element;
         this.code = element.dataset.code;
         this.text = element.dataset.text;
         this.#queryValues = JSON.parse(element.dataset.queryValues);
 
-        this.#element.onclick = () => this.#selector.editor.saveAccount(this);
+        this.#element.onclick = () => selector.editor.saveAccount(this);
     }
 
     /**

src/accounting/static/js/original-line-item-selector.js

@@ -1,4 +1,4 @@
-/* The Mia! Accounting Flask Project
+/* The Mia! Accounting Project
  * original-line-item-selector.js: The JavaScript for the original line item selector
  */
 
@@ -88,10 +88,10 @@ class OriginalLineItemSelector {
      */
     constructor(lineItemEditor) {
         this.lineItemEditor = lineItemEditor;
-        this.#query = document.getElementById(this.#prefix + "-query");
-        this.#queryNoResult = document.getElementById(this.#prefix + "-option-no-result");
-        this.#optionList = document.getElementById(this.#prefix + "-option-list");
-        this.#options = Array.from(document.getElementsByClassName(this.#prefix + "-option")).map((element) => new OriginalLineItem(this, element));
+        this.#query = document.getElementById(`${this.#prefix}-query`);
+        this.#queryNoResult = document.getElementById(`${this.#prefix}-option-no-result`);
+        this.#optionList = document.getElementById(`${this.#prefix}-option-list`);
+        this.#options = Array.from(document.getElementsByClassName(`${this.#prefix}-option`)).map((element) => new OriginalLineItem(this, element));
         this.#optionById = {};
         for (const option of this.#options) {
             this.#optionById[option.id] = option;
@@ -194,10 +194,10 @@ class OriginalLineItemSelector {
 class OriginalLineItem {
 
     /**
-     * The original line item selector
-     * @type {OriginalLineItemSelector}
+     * The journal entry form
+     * @type {JournalEntryForm}
      */
-    #selector;
+    #form;
 
     /**
      * The element
@@ -230,16 +230,10 @@ class OriginalLineItem {
     #currencyCode;
 
     /**
-     * The account code
-     * @type {string}
+     * The account
+     * @type {JournalEntryAccount}
      */
-    accountCode;
-
-    /**
-     * The account text
-     * @type {string}
-     */
-    accountText;
+    account;
 
     /**
      * The description
@@ -284,21 +278,20 @@ class OriginalLineItem {
      * @param element {HTMLLIElement} the element
      */
     constructor(selector, element) {
-        this.#selector = selector;
+        this.#form = selector.lineItemEditor.form;
         this.#element = element;
         this.id = element.dataset.id;
         this.date = element.dataset.date;
         this.#debitCredit = element.dataset.debitCredit;
         this.#currencyCode = element.dataset.currencyCode;
-        this.accountCode = element.dataset.accountCode;
-        this.accountText = element.dataset.accountText;
+        this.account = new JournalEntryAccount(element.dataset.accountCode, element.dataset.accountText, false);
         this.description = element.dataset.description;
         this.bareNetBalance = new Decimal(element.dataset.netBalance);
         this.netBalance = this.bareNetBalance;
-        this.netBalanceText = document.getElementById("accounting-original-line-item-selector-option-" + this.id + "-net-balance");
+        this.netBalanceText = document.getElementById(`accounting-original-line-item-selector-option-${this.id}-net-balance`);
         this.text = element.dataset.text;
         this.#queryValues = JSON.parse(element.dataset.queryValues);
-        this.#element.onclick = () => this.#selector.lineItemEditor.saveOriginalLineItem(this);
+        this.#element.onclick = () => selector.lineItemEditor.saveOriginalLineItem(this);
     }
 
     /**
@@ -339,7 +332,7 @@ class OriginalLineItem {
      */
     isMatched(debitCredit, currencyCode, query = null) {
         return this.netBalance.greaterThan(0)
-            && this.date <= this.#selector.lineItemEditor.form.date
+            && this.date <= this.#form.date
             && this.#isDebitCreditMatched(debitCredit)
             && this.#currencyCode === currencyCode
             && this.#isQueryMatched(query);

src/accounting/static/js/period-chooser.js

@@ -1,4 +1,4 @@
-/* The Mia! Accounting Flask Project
+/* The Mia! Accounting Project
  * period-chooser.js: The JavaScript for the period chooser
  */
 
@@ -51,7 +51,7 @@ class PeriodChooser {
      */
     constructor() {
         const prefix = "accounting-period-chooser";
-        this.modal = document.getElementById(prefix + "-modal");
+        this.modal = document.getElementById(`${prefix}-modal`);
         for (const cls of [MonthTab, YearTab, DayTab, CustomTab]) {
             const tab = new cls(this);
             this.tabPlanes[tab.tabId()] = tab;
@@ -112,9 +112,9 @@ class TabPlane {
      */
     constructor(chooser) {
         this.chooser = chooser;
-        this.prefix = "accounting-period-chooser-" + this.tabId();
-        this.#tab = document.getElementById(this.prefix + "-tab");
-        this.#page = document.getElementById(this.prefix + "-page");
+        this.prefix = `accounting-period-chooser-${this.tabId()}`;
+        this.#tab = document.getElementById(`${this.prefix}-tab`);
+        this.#page = document.getElementById(`${this.prefix}-page`);
         this.#tab.onclick = () => this.#switchToMe();
     }
 
@@ -164,12 +164,11 @@ class MonthTab extends TabPlane {
      */
     constructor(chooser) {
         super(chooser);
-        const monthChooser = document.getElementById(this.prefix + "-chooser");
+        const monthChooser = document.getElementById(`${this.prefix}-chooser`);
         if (monthChooser !== null) {
-            let start = monthChooser.dataset.start;
             this.#monthChooser = new tempusDominus.TempusDominus(monthChooser, {
                 restrictions: {
-                    minDate: new Date(start),
+                    minDate: new Date(monthChooser.dataset.start),
                 },
                 display: {
                     inline: true,
@@ -182,9 +181,8 @@ class MonthTab extends TabPlane {
             });
             monthChooser.addEventListener(tempusDominus.Namespace.events.change, (e) => {
                 const date = e.detail.date;
-                const year = date.year;
-                const month = date.month + 1;
-                const period = month < 10? year + "-0" + month: year + "-" + month;
+                const zeroPaddedMonth = `0${date.month + 1}`.slice(-2)
+                const period = `${date.year}-${zeroPaddedMonth}`;
                 window.location = chooser.modal.dataset.urlTemplate
                     .replaceAll("PERIOD", period);
             });
@@ -244,8 +242,8 @@ class DayTab extends TabPlane {
      */
     constructor(chooser) {
         super(chooser);
-        this.#date = document.getElementById(this.prefix + "-date");
-        this.#dateError = document.getElementById(this.prefix + "-date-error");
+        this.#date = document.getElementById(`${this.prefix}-date`);
+        this.#dateError = document.getElementById(`${this.prefix}-date-error`);
         if (this.#date !== null) {
             this.#date.onchange = () => {
                 if (this.#validateDate()) {
@@ -331,11 +329,11 @@ class CustomTab extends TabPlane {
      */
     constructor(chooser) {
         super(chooser);
-        this.#start = document.getElementById(this.prefix + "-start");
-        this.#startError = document.getElementById(this.prefix + "-start-error");
-        this.#end = document.getElementById(this.prefix + "-end");
-        this.#endError = document.getElementById(this.prefix + "-end-error");
-        this.#conform = document.getElementById(this.prefix + "-confirm");
+        this.#start = document.getElementById(`${this.prefix}-start`);
+        this.#startError = document.getElementById(`${this.prefix}-start-error`);
+        this.#end = document.getElementById(`${this.prefix}-end`);
+        this.#endError = document.getElementById(`${this.prefix}-end-error`);
+        this.#conform = document.getElementById(`${this.prefix}-confirm`);
         if (this.#start !== null) {
             this.#start.onchange = () => {
                 if (this.#validateStart()) {
@@ -353,7 +351,7 @@ class CustomTab extends TabPlane {
                 isValid = this.#validateEnd() && isValid;
                 if (isValid) {
                     window.location = chooser.modal.dataset.urlTemplate
-                        .replaceAll("PERIOD", this.#start.value + "-" + this.#end.value);
+                        .replaceAll("PERIOD", `${this.#start.value}-${this.#end.value}`);
                 }
             };
         }