Added the base account detail page that shows its descendant accounts.

src/accounting/base_account/__init__.py

@@ -27,6 +27,9 @@ def init_app(app: Flask, bp: Blueprint) -> None:
     :param app: The Flask application.
     :return: None.
     """
+    from .converters import BaseAccountConverter
+    app.url_map.converters["baseAccount"] = BaseAccountConverter
+
     from .views import bp as base_account_bp
     bp.register_blueprint(base_account_bp, url_prefix="/base-accounts")
 

src/accounting/base_account/converters.py

@@ -0,0 +1,48 @@
+# The Mia! Accounting Flask Project.
+# Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/1
+
+#  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 path converters for the base account management.
+
+"""
+from flask import abort
+from werkzeug.routing import BaseConverter
+
+from accounting.database import db
+from accounting.models import BaseAccount
+
+
+class BaseAccountConverter(BaseConverter):
+    """The account converter to convert the account code and to the
+    corresponding base account in the routes."""
+
+    def to_python(self, value: str) -> BaseAccount:
+        """Converts an account code to a base account.
+
+        :param value: The account code.
+        :return: The corresponding base account.
+        """
+        account: BaseAccount | None = db.session.get(BaseAccount, value)
+        if account is None:
+            abort(404)
+        return account
+
+    def to_url(self, value: BaseAccount) -> str:
+        """Converts a base account to its code.
+
+        :param value: The base account.
+        :return: The code.
+        """
+        return value.code

src/accounting/base_account/views.py

@@ -39,3 +39,14 @@ def list_accounts() -> str:
     pagination: Pagination = Pagination[BaseAccount](accounts)
     return render_template("accounting/base-account/list.html",
                            list=pagination.list, pagination=pagination)
+
+
+@bp.get("/<baseAccount:account>", endpoint="detail")
+@has_permission(can_view)
+def show_account_detail(account: BaseAccount) -> str:
+    """Shows the account detail.
+
+    :return: The account detail.
+    """
+    return render_template("accounting/base-account/detail.html", obj=account)
+