Renamed "voucher" to "journal entry".
This commit is contained in:
22
src/accounting/journal_entry/forms/__init__.py
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22
src/accounting/journal_entry/forms/__init__.py
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@@ -0,0 +1,22 @@
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# The Mia! Accounting Flask Project.
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# Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/10
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# Copyright (c) 2023 imacat.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""The forms for the journal entry management.
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"""
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from .reorder import sort_journal_entries_in, JournalEntryReorderForm
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from .journal_entry import JournalEntryForm, CashReceiptJournalEntryForm, \
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CashDisbursementJournalEntryForm, TransferJournalEntryForm
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303
src/accounting/journal_entry/forms/currency.py
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303
src/accounting/journal_entry/forms/currency.py
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@@ -0,0 +1,303 @@
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# The Mia! Accounting Flask Project.
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# Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/10
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# Copyright (c) 2023 imacat.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""The currency sub-forms for the journal entry management.
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"""
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from decimal import Decimal
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import sqlalchemy as sa
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from flask_babel import LazyString
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from flask_wtf import FlaskForm
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from wtforms import StringField, ValidationError, FieldList, IntegerField, \
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BooleanField, FormField
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from wtforms.validators import DataRequired
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from accounting import db
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from accounting.locale import lazy_gettext
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from accounting.models import Currency, JournalEntryLineItem
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from accounting.journal_entry.utils.offset_alias import offset_alias
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from accounting.utils.cast import be
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from accounting.utils.strip_text import strip_text
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from .line_item import LineItemForm, CreditLineItemForm, DebitLineItemForm
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CURRENCY_REQUIRED: DataRequired = DataRequired(
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lazy_gettext("Please select the currency."))
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"""The validator to check if the currency code is empty."""
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class CurrencyExists:
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"""The validator to check if the account exists."""
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def __call__(self, form: FlaskForm, field: StringField) -> None:
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if field.data is None:
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return
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if db.session.get(Currency, field.data) is None:
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raise ValidationError(lazy_gettext(
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"The currency does not exist."))
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class SameCurrencyAsOriginalLineItems:
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"""The validator to check if the currency is the same as the
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original line items."""
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def __call__(self, form: FlaskForm, field: StringField) -> None:
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assert isinstance(form, CurrencyForm)
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if field.data is None:
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return
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original_line_item_id: set[int] \
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= {x.original_line_item_id.data
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for x in form.line_items
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if x.original_line_item_id.data is not None}
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if len(original_line_item_id) == 0:
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return
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original_line_item_currency_codes: set[str] = set(db.session.scalars(
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sa.select(JournalEntryLineItem.currency_code)
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.filter(JournalEntryLineItem.id.in_(original_line_item_id))).all())
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for currency_code in original_line_item_currency_codes:
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if field.data != currency_code:
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raise ValidationError(lazy_gettext(
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"The currency must be the same as the"
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" original line item."))
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class KeepCurrencyWhenHavingOffset:
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"""The validator to check if the currency is the same when there is
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offset."""
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def __call__(self, form: FlaskForm, field: StringField) -> None:
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assert isinstance(form, CurrencyForm)
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if field.data is None:
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return
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offset: sa.Alias = offset_alias()
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original_line_items: list[JournalEntryLineItem]\
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= JournalEntryLineItem.query\
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.join(offset, be(JournalEntryLineItem.id
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== offset.c.original_line_item_id),
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isouter=True)\
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.filter(JournalEntryLineItem.id
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.in_({x.eid.data for x in form.line_items
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if x.eid.data is not None}))\
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.group_by(JournalEntryLineItem.id,
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JournalEntryLineItem.currency_code)\
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.having(sa.func.count(offset.c.id) > 0).all()
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for original_line_item in original_line_items:
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if original_line_item.currency_code != field.data:
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raise ValidationError(lazy_gettext(
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"The currency must not be changed when there is offset."))
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class NeedSomeLineItems:
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"""The validator to check if there is any line item sub-form."""
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def __call__(self, form: FlaskForm, field: FieldList) -> None:
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if len(field) == 0:
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raise ValidationError(lazy_gettext(
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"Please add some line items."))
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class IsBalanced:
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"""The validator to check that the total amount of the debit and credit
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line items are equal."""
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def __call__(self, form: FlaskForm, field: BooleanField) -> None:
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assert isinstance(form, TransferCurrencyForm)
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if len(form.debit) == 0 or len(form.credit) == 0:
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return
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if form.debit_total != form.credit_total:
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raise ValidationError(lazy_gettext(
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"The totals of the debit and credit amounts do not match."))
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class CurrencyForm(FlaskForm):
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"""The form to create or edit a currency in a journal entry."""
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no = IntegerField()
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"""The order in the journal entry."""
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code = StringField()
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"""The currency code."""
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whole_form = BooleanField()
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"""The pseudo field for the whole form validators."""
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@property
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def line_items(self) -> list[LineItemForm]:
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"""Returns the line item sub-forms.
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:return: The line item sub-forms.
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"""
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line_item_forms: list[LineItemForm] = []
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if isinstance(self, CashReceiptCurrencyForm):
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line_item_forms.extend([x.form for x in self.credit])
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elif isinstance(self, CashDisbursementCurrencyForm):
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line_item_forms.extend([x.form for x in self.debit])
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elif isinstance(self, TransferCurrencyForm):
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line_item_forms.extend([x.form for x in self.debit])
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line_item_forms.extend([x.form for x in self.credit])
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return line_item_forms
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@property
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def is_code_locked(self) -> bool:
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"""Returns whether the currency code should not be changed.
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:return: True if the currency code should not be changed, or False
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otherwise
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"""
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line_item_forms: list[LineItemForm] = self.line_items
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original_line_item_id: set[int] \
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= {x.original_line_item_id.data for x in line_item_forms
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if x.original_line_item_id.data is not None}
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if len(original_line_item_id) > 0:
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return True
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line_item_id: set[int] = {x.eid.data for x in line_item_forms
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if x.eid.data is not None}
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select: sa.Select = sa.select(sa.func.count(JournalEntryLineItem.id))\
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.filter(JournalEntryLineItem.original_line_item_id
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.in_(line_item_id))
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return db.session.scalar(select) > 0
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class CashReceiptCurrencyForm(CurrencyForm):
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"""The form to create or edit a currency in a
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cash receipt journal entry."""
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no = IntegerField()
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"""The order in the journal entry."""
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code = StringField(
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filters=[strip_text],
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validators=[CURRENCY_REQUIRED,
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CurrencyExists(),
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SameCurrencyAsOriginalLineItems(),
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KeepCurrencyWhenHavingOffset()])
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"""The currency code."""
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credit = FieldList(FormField(CreditLineItemForm),
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validators=[NeedSomeLineItems()])
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"""The credit line items."""
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whole_form = BooleanField()
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"""The pseudo field for the whole form validators."""
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@property
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def credit_total(self) -> Decimal:
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"""Returns the total amount of the credit line items.
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:return: The total amount of the credit line items.
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"""
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return sum([x.amount.data for x in self.credit
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if x.amount.data is not None])
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@property
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def credit_errors(self) -> list[str | LazyString]:
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"""Returns the credit line item errors, without the errors in their
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sub-forms.
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:return:
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"""
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return [x for x in self.credit.errors
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if isinstance(x, str) or isinstance(x, LazyString)]
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class CashDisbursementCurrencyForm(CurrencyForm):
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"""The form to create or edit a currency in a
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cash disbursement journal entry."""
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no = IntegerField()
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"""The order in the journal entry."""
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code = StringField(
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filters=[strip_text],
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validators=[CURRENCY_REQUIRED,
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CurrencyExists(),
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SameCurrencyAsOriginalLineItems(),
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KeepCurrencyWhenHavingOffset()])
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"""The currency code."""
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debit = FieldList(FormField(DebitLineItemForm),
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validators=[NeedSomeLineItems()])
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"""The debit line items."""
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whole_form = BooleanField()
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"""The pseudo field for the whole form validators."""
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@property
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def debit_total(self) -> Decimal:
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"""Returns the total amount of the debit line items.
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:return: The total amount of the debit line items.
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"""
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return sum([x.amount.data for x in self.debit
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if x.amount.data is not None])
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@property
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def debit_errors(self) -> list[str | LazyString]:
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"""Returns the debit line item errors, without the errors in their
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sub-forms.
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:return:
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"""
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return [x for x in self.debit.errors
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if isinstance(x, str) or isinstance(x, LazyString)]
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class TransferCurrencyForm(CurrencyForm):
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"""The form to create or edit a currency in a transfer journal entry."""
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no = IntegerField()
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"""The order in the journal entry."""
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code = StringField(
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filters=[strip_text],
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validators=[CURRENCY_REQUIRED,
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CurrencyExists(),
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SameCurrencyAsOriginalLineItems(),
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KeepCurrencyWhenHavingOffset()])
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"""The currency code."""
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debit = FieldList(FormField(DebitLineItemForm),
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validators=[NeedSomeLineItems()])
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"""The debit line items."""
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credit = FieldList(FormField(CreditLineItemForm),
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validators=[NeedSomeLineItems()])
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"""The credit line items."""
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whole_form = BooleanField(validators=[IsBalanced()])
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"""The pseudo field for the whole form validators."""
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@property
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def debit_total(self) -> Decimal:
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"""Returns the total amount of the debit line items.
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:return: The total amount of the debit line items.
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"""
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return sum([x.amount.data for x in self.debit
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if x.amount.data is not None])
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@property
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def credit_total(self) -> Decimal:
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"""Returns the total amount of the credit line items.
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:return: The total amount of the credit line items.
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"""
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return sum([x.amount.data for x in self.credit
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if x.amount.data is not None])
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@property
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def debit_errors(self) -> list[str | LazyString]:
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"""Returns the debit line item errors, without the errors in their
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sub-forms.
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:return:
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"""
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return [x for x in self.debit.errors
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if isinstance(x, str) or isinstance(x, LazyString)]
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@property
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def credit_errors(self) -> list[str | LazyString]:
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"""Returns the credit line item errors, without the errors in their
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sub-forms.
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:return:
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"""
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return [x for x in self.credit.errors
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if isinstance(x, str) or isinstance(x, LazyString)]
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593
src/accounting/journal_entry/forms/journal_entry.py
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593
src/accounting/journal_entry/forms/journal_entry.py
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@@ -0,0 +1,593 @@
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# The Mia! Accounting Flask Project.
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# Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/18
|
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# Copyright (c) 2023 imacat.
|
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
|
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# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
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# 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 journal entry forms for the journal entry management.
|
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"""
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import datetime as dt
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import typing as t
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from abc import ABC, abstractmethod
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import sqlalchemy as sa
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from flask_babel import LazyString
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from flask_wtf import FlaskForm
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from wtforms import DateField, FieldList, FormField, TextAreaField, \
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BooleanField
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from wtforms.validators import DataRequired, ValidationError
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from accounting import db
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from accounting.locale import lazy_gettext
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from accounting.models import JournalEntry, Account, JournalEntryLineItem, \
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JournalEntryCurrency
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from accounting.journal_entry.utils.account_option import AccountOption
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from accounting.journal_entry.utils.original_line_items import \
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get_selectable_original_line_items
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from accounting.journal_entry.utils.description_editor import DescriptionEditor
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from accounting.utils.random_id import new_id
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from accounting.utils.strip_text import strip_multiline_text
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from accounting.utils.user import get_current_user_pk
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from .currency import CurrencyForm, CashReceiptCurrencyForm, \
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CashDisbursementCurrencyForm, TransferCurrencyForm
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from .line_item import LineItemForm, DebitLineItemForm, CreditLineItemForm
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from .reorder import sort_journal_entries_in
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DATE_REQUIRED: DataRequired = DataRequired(
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lazy_gettext("Please fill in the date."))
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"""The validator to check if the date is empty."""
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class NotBeforeOriginalLineItems:
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"""The validator to check if the date is not before the
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original line items."""
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def __call__(self, form: FlaskForm, field: DateField) -> None:
|
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assert isinstance(form, JournalEntryForm)
|
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if field.data is None:
|
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return
|
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min_date: dt.date | None = form.min_date
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if min_date is None:
|
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return
|
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if field.data < min_date:
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raise ValidationError(lazy_gettext(
|
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"The date cannot be earlier than the original line items."))
|
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class NotAfterOffsetItems:
|
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"""The validator to check if the date is not after the offset items."""
|
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def __call__(self, form: FlaskForm, field: DateField) -> None:
|
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assert isinstance(form, JournalEntryForm)
|
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if field.data is None:
|
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return
|
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max_date: dt.date | None = form.max_date
|
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if max_date is None:
|
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return
|
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if field.data > max_date:
|
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raise ValidationError(lazy_gettext(
|
||||
"The date cannot be later than the offset items."))
|
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|
||||
|
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class NeedSomeCurrencies:
|
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"""The validator to check if there is any currency sub-form."""
|
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|
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def __call__(self, form: FlaskForm, field: FieldList) -> None:
|
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if len(field) == 0:
|
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raise ValidationError(lazy_gettext("Please add some currencies."))
|
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|
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|
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class CannotDeleteOriginalLineItemsWithOffset:
|
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"""The validator to check the original line items with offset."""
|
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|
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def __call__(self, form: FlaskForm, field: FieldList) -> None:
|
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assert isinstance(form, JournalEntryForm)
|
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if form.obj is None:
|
||||
return
|
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existing_matched_original_line_item_id: set[int] \
|
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= {x.id for x in form.obj.line_items if len(x.offsets) > 0}
|
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line_item_id_in_form: set[int] \
|
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= {x.eid.data for x in form.line_items if x.eid.data is not None}
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for line_item_id in existing_matched_original_line_item_id:
|
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if line_item_id not in line_item_id_in_form:
|
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raise ValidationError(lazy_gettext(
|
||||
"Line items with offset cannot be deleted."))
|
||||
|
||||
|
||||
class JournalEntryForm(FlaskForm):
|
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"""The base form to create or edit a journal entry."""
|
||||
date = DateField()
|
||||
"""The date."""
|
||||
currencies = FieldList(FormField(CurrencyForm))
|
||||
"""The line items categorized by their currencies."""
|
||||
note = TextAreaField()
|
||||
"""The note."""
|
||||
|
||||
def __init__(self, *args, **kwargs):
|
||||
"""Constructs a base journal entry form.
|
||||
|
||||
:param args: The arguments.
|
||||
:param kwargs: The keyword arguments.
|
||||
"""
|
||||
super().__init__(*args, **kwargs)
|
||||
self.is_modified: bool = False
|
||||
"""Whether the journal entry is modified during populate_obj()."""
|
||||
self.collector: t.Type[LineItemCollector] = LineItemCollector
|
||||
"""The line item collector. The default is the base abstract
|
||||
collector only to provide the correct type. The subclass forms should
|
||||
provide their own collectors."""
|
||||
self.obj: JournalEntry | None = kwargs.get("obj")
|
||||
"""The journal entry, when editing an existing one."""
|
||||
self._is_need_payable: bool = False
|
||||
"""Whether we need the payable original line items."""
|
||||
self._is_need_receivable: bool = False
|
||||
"""Whether we need the receivable original line items."""
|
||||
self.__original_line_item_options: list[JournalEntryLineItem] | None \
|
||||
= None
|
||||
"""The options of the original line items."""
|
||||
self.__net_balance_exceeded: dict[int, LazyString] | None = None
|
||||
"""The original line items whose net balances were exceeded by the
|
||||
amounts in the line item sub-forms."""
|
||||
for line_item in self.line_items:
|
||||
line_item.journal_entry_form = self
|
||||
|
||||
def populate_obj(self, obj: JournalEntry) -> None:
|
||||
"""Populates the form data into a journal entry object.
|
||||
|
||||
:param obj: The journal entry object.
|
||||
:return: None.
|
||||
"""
|
||||
is_new: bool = obj.id is None
|
||||
if is_new:
|
||||
obj.id = new_id(JournalEntry)
|
||||
self.date: DateField
|
||||
self.__set_date(obj, self.date.data)
|
||||
obj.note = self.note.data
|
||||
|
||||
collector_cls: t.Type[LineItemCollector] = self.collector
|
||||
collector: collector_cls = collector_cls(self, obj)
|
||||
collector.collect()
|
||||
|
||||
to_delete: set[int] = {x.id for x in obj.line_items
|
||||
if x.id not in collector.to_keep}
|
||||
if len(to_delete) > 0:
|
||||
JournalEntryLineItem.query\
|
||||
.filter(JournalEntryLineItem.id.in_(to_delete)).delete()
|
||||
self.is_modified = True
|
||||
|
||||
if is_new or db.session.is_modified(obj):
|
||||
self.is_modified = True
|
||||
|
||||
if is_new:
|
||||
current_user_pk: int = get_current_user_pk()
|
||||
obj.created_by_id = current_user_pk
|
||||
obj.updated_by_id = current_user_pk
|
||||
|
||||
@property
|
||||
def line_items(self) -> list[LineItemForm]:
|
||||
"""Collects and returns the line item sub-forms.
|
||||
|
||||
:return: The line item sub-forms.
|
||||
"""
|
||||
line_items: list[LineItemForm] = []
|
||||
for currency in self.currencies:
|
||||
line_items.extend(currency.line_items)
|
||||
return line_items
|
||||
|
||||
def __set_date(self, obj: JournalEntry, new_date: dt.date) -> None:
|
||||
"""Sets the journal entry date and number.
|
||||
|
||||
:param obj: The journal entry object.
|
||||
:param new_date: The new date.
|
||||
:return: None.
|
||||
"""
|
||||
if obj.date is None or obj.date != new_date:
|
||||
if obj.date is not None:
|
||||
sort_journal_entries_in(obj.date, obj.id)
|
||||
if self.max_date is not None and new_date == self.max_date:
|
||||
db_min_no: int | None = db.session.scalar(
|
||||
sa.select(sa.func.min(JournalEntry.no))
|
||||
.filter(JournalEntry.date == new_date))
|
||||
if db_min_no is None:
|
||||
obj.date = new_date
|
||||
obj.no = 1
|
||||
else:
|
||||
obj.date = new_date
|
||||
obj.no = db_min_no - 1
|
||||
sort_journal_entries_in(new_date)
|
||||
else:
|
||||
sort_journal_entries_in(new_date, obj.id)
|
||||
count: int = JournalEntry.query\
|
||||
.filter(JournalEntry.date == new_date).count()
|
||||
obj.date = new_date
|
||||
obj.no = count + 1
|
||||
|
||||
@property
|
||||
def debit_account_options(self) -> list[AccountOption]:
|
||||
"""The selectable debit accounts.
|
||||
|
||||
:return: The selectable debit accounts.
|
||||
"""
|
||||
accounts: list[AccountOption] \
|
||||
= [AccountOption(x) for x in Account.debit()
|
||||
if not (x.code[0] == "2" and x.is_need_offset)]
|
||||
in_use: set[int] = set(db.session.scalars(
|
||||
sa.select(JournalEntryLineItem.account_id)
|
||||
.filter(JournalEntryLineItem.is_debit)
|
||||
.group_by(JournalEntryLineItem.account_id)).all())
|
||||
for account in accounts:
|
||||
account.is_in_use = account.id in in_use
|
||||
return accounts
|
||||
|
||||
@property
|
||||
def credit_account_options(self) -> list[AccountOption]:
|
||||
"""The selectable credit accounts.
|
||||
|
||||
:return: The selectable credit accounts.
|
||||
"""
|
||||
accounts: list[AccountOption] \
|
||||
= [AccountOption(x) for x in Account.credit()
|
||||
if not (x.code[0] == "1" and x.is_need_offset)]
|
||||
in_use: set[int] = set(db.session.scalars(
|
||||
sa.select(JournalEntryLineItem.account_id)
|
||||
.filter(sa.not_(JournalEntryLineItem.is_debit))
|
||||
.group_by(JournalEntryLineItem.account_id)).all())
|
||||
for account in accounts:
|
||||
account.is_in_use = account.id in in_use
|
||||
return accounts
|
||||
|
||||
@property
|
||||
def currencies_errors(self) -> list[str | LazyString]:
|
||||
"""Returns the currency errors, without the errors in their sub-forms.
|
||||
|
||||
:return: The currency errors, without the errors in their sub-forms.
|
||||
"""
|
||||
return [x for x in self.currencies.errors
|
||||
if isinstance(x, str) or isinstance(x, LazyString)]
|
||||
|
||||
@property
|
||||
def description_editor(self) -> DescriptionEditor:
|
||||
"""Returns the description editor.
|
||||
|
||||
:return: The description editor.
|
||||
"""
|
||||
return DescriptionEditor()
|
||||
|
||||
@property
|
||||
def original_line_item_options(self) -> list[JournalEntryLineItem]:
|
||||
"""Returns the selectable original line items.
|
||||
|
||||
:return: The selectable original line items.
|
||||
"""
|
||||
if self.__original_line_item_options is None:
|
||||
self.__original_line_item_options \
|
||||
= get_selectable_original_line_items(
|
||||
{x.eid.data for x in self.line_items
|
||||
if x.eid.data is not None},
|
||||
self._is_need_payable, self._is_need_receivable)
|
||||
return self.__original_line_item_options
|
||||
|
||||
@property
|
||||
def min_date(self) -> dt.date | None:
|
||||
"""Returns the minimal available date.
|
||||
|
||||
:return: The minimal available date.
|
||||
"""
|
||||
original_line_item_id: set[int] \
|
||||
= {x.original_line_item_id.data for x in self.line_items
|
||||
if x.original_line_item_id.data is not None}
|
||||
if len(original_line_item_id) == 0:
|
||||
return None
|
||||
select: sa.Select = sa.select(sa.func.max(JournalEntry.date))\
|
||||
.join(JournalEntryLineItem)\
|
||||
.filter(JournalEntryLineItem.id.in_(original_line_item_id))
|
||||
return db.session.scalar(select)
|
||||
|
||||
@property
|
||||
def max_date(self) -> dt.date | None:
|
||||
"""Returns the maximum available date.
|
||||
|
||||
:return: The maximum available date.
|
||||
"""
|
||||
line_item_id: set[int] = {x.eid.data for x in self.line_items
|
||||
if x.eid.data is not None}
|
||||
select: sa.Select = sa.select(sa.func.min(JournalEntry.date))\
|
||||
.join(JournalEntryLineItem)\
|
||||
.filter(JournalEntryLineItem.original_line_item_id
|
||||
.in_(line_item_id))
|
||||
return db.session.scalar(select)
|
||||
|
||||
|
||||
T = t.TypeVar("T", bound=JournalEntryForm)
|
||||
"""A journal entry form variant."""
|
||||
|
||||
|
||||
class LineItemCollector(t.Generic[T], ABC):
|
||||
"""The line item collector."""
|
||||
|
||||
def __init__(self, form: T, obj: JournalEntry):
|
||||
"""Constructs the line item collector.
|
||||
|
||||
:param form: The journal entry form.
|
||||
:param obj: The journal entry.
|
||||
"""
|
||||
self.form: T = form
|
||||
"""The journal entry form."""
|
||||
self.__obj: JournalEntry = obj
|
||||
"""The journal entry object."""
|
||||
self.__line_items: list[JournalEntryLineItem] = list(obj.line_items)
|
||||
"""The existing line items."""
|
||||
self.__line_items_by_id: dict[int, JournalEntryLineItem] \
|
||||
= {x.id: x for x in self.__line_items}
|
||||
"""A dictionary from the line item ID to their line items."""
|
||||
self.__no_by_id: dict[int, int] \
|
||||
= {x.id: x.no for x in self.__line_items}
|
||||
"""A dictionary from the line item number to their line items."""
|
||||
self.__currencies: list[JournalEntryCurrency] = obj.currencies
|
||||
"""The currencies in the journal entry."""
|
||||
self._debit_no: int = 1
|
||||
"""The number index for the debit line items."""
|
||||
self._credit_no: int = 1
|
||||
"""The number index for the credit line items."""
|
||||
self.to_keep: set[int] = set()
|
||||
"""The ID of the existing line items to keep."""
|
||||
|
||||
@abstractmethod
|
||||
def collect(self) -> set[int]:
|
||||
"""Collects the line items.
|
||||
|
||||
:return: The ID of the line items to keep.
|
||||
"""
|
||||
|
||||
def _add_line_item(self, form: LineItemForm, currency_code: str, no: int) \
|
||||
-> None:
|
||||
"""Composes a line item from the form.
|
||||
|
||||
:param form: The line item form.
|
||||
:param currency_code: The code of the currency.
|
||||
:param no: The number of the line item.
|
||||
:return: None.
|
||||
"""
|
||||
line_item: JournalEntryLineItem | None \
|
||||
= self.__line_items_by_id.get(form.eid.data)
|
||||
if line_item is not None:
|
||||
line_item.currency_code = currency_code
|
||||
form.populate_obj(line_item)
|
||||
line_item.no = no
|
||||
if db.session.is_modified(line_item):
|
||||
self.form.is_modified = True
|
||||
else:
|
||||
line_item = JournalEntryLineItem()
|
||||
line_item.currency_code = currency_code
|
||||
form.populate_obj(line_item)
|
||||
line_item.no = no
|
||||
self.__obj.line_items.append(line_item)
|
||||
self.form.is_modified = True
|
||||
self.to_keep.add(line_item.id)
|
||||
|
||||
def _make_cash_line_item(self, forms: list[LineItemForm], is_debit: bool,
|
||||
currency_code: str, no: int) -> None:
|
||||
"""Composes the cash line item at the other debit or credit of the
|
||||
cash journal entry.
|
||||
|
||||
:param forms: The line item forms in the same currency.
|
||||
:param is_debit: True for a cash receipt journal entry, or False for a
|
||||
cash disbursement journal entry.
|
||||
:param currency_code: The code of the currency.
|
||||
:param no: The number of the line item.
|
||||
:return: None.
|
||||
"""
|
||||
candidates: list[JournalEntryLineItem] \
|
||||
= [x for x in self.__line_items
|
||||
if x.is_debit == is_debit and x.currency_code == currency_code]
|
||||
line_item: JournalEntryLineItem
|
||||
if len(candidates) > 0:
|
||||
candidates.sort(key=lambda x: x.no)
|
||||
line_item = candidates[0]
|
||||
line_item.account_id = Account.cash().id
|
||||
line_item.description = None
|
||||
line_item.amount = sum([x.amount.data for x in forms])
|
||||
line_item.no = no
|
||||
if db.session.is_modified(line_item):
|
||||
self.form.is_modified = True
|
||||
else:
|
||||
line_item = JournalEntryLineItem()
|
||||
line_item.id = new_id(JournalEntryLineItem)
|
||||
line_item.is_debit = is_debit
|
||||
line_item.currency_code = currency_code
|
||||
line_item.account_id = Account.cash().id
|
||||
line_item.description = None
|
||||
line_item.amount = sum([x.amount.data for x in forms])
|
||||
line_item.no = no
|
||||
self.__obj.line_items.append(line_item)
|
||||
self.form.is_modified = True
|
||||
self.to_keep.add(line_item.id)
|
||||
|
||||
def _sort_line_item_forms(self, forms: list[LineItemForm]) -> None:
|
||||
"""Sorts the line item sub-forms.
|
||||
|
||||
:param forms: The line item sub-forms.
|
||||
:return: None.
|
||||
"""
|
||||
missing_no: int = 100 if len(self.__no_by_id) == 0 \
|
||||
else max(self.__no_by_id.values()) + 100
|
||||
ord_by_form: dict[LineItemForm, int] \
|
||||
= {forms[i]: i for i in range(len(forms))}
|
||||
recv_no: set[int] = {x.no.data for x in forms if x.no.data is not None}
|
||||
missing_recv_no: int = 100 if len(recv_no) == 0 else max(recv_no) + 100
|
||||
forms.sort(key=lambda x: (x.no.data or missing_recv_no,
|
||||
missing_no if x.eid.data is None else
|
||||
self.__no_by_id.get(x.eid.data, missing_no),
|
||||
ord_by_form.get(x)))
|
||||
|
||||
def _sort_currency_forms(self, forms: list[CurrencyForm]) -> None:
|
||||
"""Sorts the currency forms.
|
||||
|
||||
:param forms: The currency forms.
|
||||
:return: None.
|
||||
"""
|
||||
missing_no: int = len(self.__currencies) + 100
|
||||
no_by_code: dict[str, int] = {self.__currencies[i].code: i
|
||||
for i in range(len(self.__currencies))}
|
||||
ord_by_form: dict[CurrencyForm, int] \
|
||||
= {forms[i]: i for i in range(len(forms))}
|
||||
recv_no: set[int] = {x.no.data for x in forms if x.no.data is not None}
|
||||
missing_recv_no: int = 100 if len(recv_no) == 0 else max(recv_no) + 100
|
||||
forms.sort(key=lambda x: (x.no.data or missing_recv_no,
|
||||
no_by_code.get(x.code.data, missing_no),
|
||||
ord_by_form.get(x)))
|
||||
|
||||
|
||||
class CashReceiptJournalEntryForm(JournalEntryForm):
|
||||
"""The form to create or edit a cash receipt journal entry."""
|
||||
date = DateField(
|
||||
validators=[DATE_REQUIRED,
|
||||
NotBeforeOriginalLineItems(),
|
||||
NotAfterOffsetItems()])
|
||||
"""The date."""
|
||||
currencies = FieldList(FormField(CashReceiptCurrencyForm), name="currency",
|
||||
validators=[NeedSomeCurrencies()])
|
||||
"""The line items categorized by their currencies."""
|
||||
note = TextAreaField(filters=[strip_multiline_text])
|
||||
"""The note."""
|
||||
whole_form = BooleanField(
|
||||
validators=[CannotDeleteOriginalLineItemsWithOffset()])
|
||||
"""The pseudo field for the whole form validators."""
|
||||
|
||||
def __init__(self, *args, **kwargs):
|
||||
super().__init__(*args, **kwargs)
|
||||
self._is_need_receivable = True
|
||||
|
||||
class Collector(LineItemCollector[CashReceiptJournalEntryForm]):
|
||||
"""The line item collector for the cash receipt journal entries."""
|
||||
|
||||
def collect(self) -> None:
|
||||
currencies: list[CashReceiptCurrencyForm] \
|
||||
= [x.form for x in self.form.currencies]
|
||||
self._sort_currency_forms(currencies)
|
||||
for currency in currencies:
|
||||
# The debit cash line item
|
||||
self._make_cash_line_item(list(currency.credit), True,
|
||||
currency.code.data,
|
||||
self._debit_no)
|
||||
self._debit_no = self._debit_no + 1
|
||||
|
||||
# The credit forms
|
||||
credit_forms: list[CreditLineItemForm] \
|
||||
= [x.form for x in currency.credit]
|
||||
self._sort_line_item_forms(credit_forms)
|
||||
for credit_form in credit_forms:
|
||||
self._add_line_item(credit_form, currency.code.data,
|
||||
self._credit_no)
|
||||
self._credit_no = self._credit_no + 1
|
||||
|
||||
self.collector = Collector
|
||||
|
||||
|
||||
class CashDisbursementJournalEntryForm(JournalEntryForm):
|
||||
"""The form to create or edit a cash disbursement journal entry."""
|
||||
date = DateField(
|
||||
validators=[DATE_REQUIRED,
|
||||
NotBeforeOriginalLineItems(),
|
||||
NotAfterOffsetItems()])
|
||||
"""The date."""
|
||||
currencies = FieldList(FormField(CashDisbursementCurrencyForm),
|
||||
name="currency",
|
||||
validators=[NeedSomeCurrencies()])
|
||||
"""The line items categorized by their currencies."""
|
||||
note = TextAreaField(filters=[strip_multiline_text])
|
||||
"""The note."""
|
||||
whole_form = BooleanField(
|
||||
validators=[CannotDeleteOriginalLineItemsWithOffset()])
|
||||
"""The pseudo field for the whole form validators."""
|
||||
|
||||
def __init__(self, *args, **kwargs):
|
||||
super().__init__(*args, **kwargs)
|
||||
self._is_need_payable = True
|
||||
|
||||
class Collector(LineItemCollector[CashDisbursementJournalEntryForm]):
|
||||
"""The line item collector for the cash disbursement journal
|
||||
entries."""
|
||||
|
||||
def collect(self) -> None:
|
||||
currencies: list[CashDisbursementCurrencyForm] \
|
||||
= [x.form for x in self.form.currencies]
|
||||
self._sort_currency_forms(currencies)
|
||||
for currency in currencies:
|
||||
# The debit forms
|
||||
debit_forms: list[DebitLineItemForm] \
|
||||
= [x.form for x in currency.debit]
|
||||
self._sort_line_item_forms(debit_forms)
|
||||
for debit_form in debit_forms:
|
||||
self._add_line_item(debit_form, currency.code.data,
|
||||
self._debit_no)
|
||||
self._debit_no = self._debit_no + 1
|
||||
|
||||
# The credit forms
|
||||
self._make_cash_line_item(list(currency.debit), False,
|
||||
currency.code.data,
|
||||
self._credit_no)
|
||||
self._credit_no = self._credit_no + 1
|
||||
|
||||
self.collector = Collector
|
||||
|
||||
|
||||
class TransferJournalEntryForm(JournalEntryForm):
|
||||
"""The form to create or edit a transfer journal entry."""
|
||||
date = DateField(
|
||||
validators=[DATE_REQUIRED,
|
||||
NotBeforeOriginalLineItems(),
|
||||
NotAfterOffsetItems()])
|
||||
"""The date."""
|
||||
currencies = FieldList(FormField(TransferCurrencyForm), name="currency",
|
||||
validators=[NeedSomeCurrencies()])
|
||||
"""The line items categorized by their currencies."""
|
||||
note = TextAreaField(filters=[strip_multiline_text])
|
||||
"""The note."""
|
||||
whole_form = BooleanField(
|
||||
validators=[CannotDeleteOriginalLineItemsWithOffset()])
|
||||
"""The pseudo field for the whole form validators."""
|
||||
|
||||
def __init__(self, *args, **kwargs):
|
||||
super().__init__(*args, **kwargs)
|
||||
self._is_need_payable = True
|
||||
self._is_need_receivable = True
|
||||
|
||||
class Collector(LineItemCollector[TransferJournalEntryForm]):
|
||||
"""The line item collector for the transfer journal entries."""
|
||||
|
||||
def collect(self) -> None:
|
||||
currencies: list[TransferCurrencyForm] \
|
||||
= [x.form for x in self.form.currencies]
|
||||
self._sort_currency_forms(currencies)
|
||||
for currency in currencies:
|
||||
# The debit forms
|
||||
debit_forms: list[DebitLineItemForm] \
|
||||
= [x.form for x in currency.debit]
|
||||
self._sort_line_item_forms(debit_forms)
|
||||
for debit_form in debit_forms:
|
||||
self._add_line_item(debit_form, currency.code.data,
|
||||
self._debit_no)
|
||||
self._debit_no = self._debit_no + 1
|
||||
|
||||
# The credit forms
|
||||
credit_forms: list[CreditLineItemForm] \
|
||||
= [x.form for x in currency.credit]
|
||||
self._sort_line_item_forms(credit_forms)
|
||||
for credit_form in credit_forms:
|
||||
self._add_line_item(credit_form, currency.code.data,
|
||||
self._credit_no)
|
||||
self._credit_no = self._credit_no + 1
|
||||
|
||||
self.collector = Collector
|
||||
537
src/accounting/journal_entry/forms/line_item.py
Normal file
537
src/accounting/journal_entry/forms/line_item.py
Normal file
@@ -0,0 +1,537 @@
|
||||
# The Mia! Accounting Flask Project.
|
||||
# Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/10
|
||||
|
||||
# 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 line item sub-forms for the journal entry management.
|
||||
|
||||
"""
|
||||
import re
|
||||
from datetime import date
|
||||
from decimal import Decimal
|
||||
|
||||
import sqlalchemy as sa
|
||||
from flask_babel import LazyString
|
||||
from flask_wtf import FlaskForm
|
||||
from sqlalchemy.orm import selectinload
|
||||
from wtforms import StringField, ValidationError, DecimalField, IntegerField
|
||||
from wtforms.validators import DataRequired, Optional
|
||||
|
||||
from accounting import db
|
||||
from accounting.locale import lazy_gettext
|
||||
from accounting.models import Account, JournalEntryLineItem
|
||||
from accounting.template_filters import format_amount
|
||||
from accounting.utils.cast import be
|
||||
from accounting.utils.random_id import new_id
|
||||
from accounting.utils.strip_text import strip_text
|
||||
from accounting.utils.user import get_current_user_pk
|
||||
|
||||
ACCOUNT_REQUIRED: DataRequired = DataRequired(
|
||||
lazy_gettext("Please select the account."))
|
||||
"""The validator to check if the account code is empty."""
|
||||
|
||||
|
||||
class OriginalLineItemExists:
|
||||
"""The validator to check if the original line item exists."""
|
||||
|
||||
def __call__(self, form: FlaskForm, field: IntegerField) -> None:
|
||||
if field.data is None:
|
||||
return
|
||||
if db.session.get(JournalEntryLineItem, field.data) is None:
|
||||
raise ValidationError(lazy_gettext(
|
||||
"The original line item does not exist."))
|
||||
|
||||
|
||||
class OriginalLineItemOppositeDebitCredit:
|
||||
"""The validator to check if the original line item is on the opposite
|
||||
debit or credit."""
|
||||
|
||||
def __call__(self, form: FlaskForm, field: IntegerField) -> None:
|
||||
if field.data is None:
|
||||
return
|
||||
original_line_item: JournalEntryLineItem | None \
|
||||
= db.session.get(JournalEntryLineItem, field.data)
|
||||
if original_line_item is None:
|
||||
return
|
||||
if isinstance(form, CreditLineItemForm) \
|
||||
and original_line_item.is_debit:
|
||||
return
|
||||
if isinstance(form, DebitLineItemForm) \
|
||||
and not original_line_item.is_debit:
|
||||
return
|
||||
raise ValidationError(lazy_gettext(
|
||||
"The original line item is on the same debit or credit."))
|
||||
|
||||
|
||||
class OriginalLineItemNeedOffset:
|
||||
"""The validator to check if the original line item needs offset."""
|
||||
|
||||
def __call__(self, form: FlaskForm, field: IntegerField) -> None:
|
||||
if field.data is None:
|
||||
return
|
||||
original_line_item: JournalEntryLineItem | None \
|
||||
= db.session.get(JournalEntryLineItem, field.data)
|
||||
if original_line_item is None:
|
||||
return
|
||||
if not original_line_item.account.is_need_offset:
|
||||
raise ValidationError(lazy_gettext(
|
||||
"The original line item does not need offset."))
|
||||
|
||||
|
||||
class OriginalLineItemNotOffset:
|
||||
"""The validator to check if the original line item is not itself an
|
||||
offset item."""
|
||||
|
||||
def __call__(self, form: FlaskForm, field: IntegerField) -> None:
|
||||
if field.data is None:
|
||||
return
|
||||
original_line_item: JournalEntryLineItem | None \
|
||||
= db.session.get(JournalEntryLineItem, field.data)
|
||||
if original_line_item is None:
|
||||
return
|
||||
if original_line_item.original_line_item_id is not None:
|
||||
raise ValidationError(lazy_gettext(
|
||||
"The original line item cannot be an offset item."))
|
||||
|
||||
|
||||
class AccountExists:
|
||||
"""The validator to check if the account exists."""
|
||||
|
||||
def __call__(self, form: FlaskForm, field: StringField) -> None:
|
||||
if field.data is None:
|
||||
return
|
||||
if Account.find_by_code(field.data) is None:
|
||||
raise ValidationError(lazy_gettext(
|
||||
"The account does not exist."))
|
||||
|
||||
|
||||
class IsDebitAccount:
|
||||
"""The validator to check if the account is for debit line items."""
|
||||
|
||||
def __call__(self, form: FlaskForm, field: StringField) -> None:
|
||||
if field.data is None:
|
||||
return
|
||||
if re.match(r"^(?:[1235689]|7[5678])", field.data) \
|
||||
and not field.data.startswith("3351-") \
|
||||
and not field.data.startswith("3353-"):
|
||||
return
|
||||
raise ValidationError(lazy_gettext(
|
||||
"This account is not for debit line items."))
|
||||
|
||||
|
||||
class IsCreditAccount:
|
||||
"""The validator to check if the account is for credit line items."""
|
||||
|
||||
def __call__(self, form: FlaskForm, field: StringField) -> None:
|
||||
if field.data is None:
|
||||
return
|
||||
if re.match(r"^(?:[123489]|7[1234])", field.data) \
|
||||
and not field.data.startswith("3351-") \
|
||||
and not field.data.startswith("3353-"):
|
||||
return
|
||||
raise ValidationError(lazy_gettext(
|
||||
"This account is not for credit line items."))
|
||||
|
||||
|
||||
class SameAccountAsOriginalLineItem:
|
||||
"""The validator to check if the account is the same as the
|
||||
original line item."""
|
||||
|
||||
def __call__(self, form: FlaskForm, field: StringField) -> None:
|
||||
assert isinstance(form, LineItemForm)
|
||||
if field.data is None or form.original_line_item_id.data is None:
|
||||
return
|
||||
original_line_item: JournalEntryLineItem | None \
|
||||
= db.session.get(JournalEntryLineItem,
|
||||
form.original_line_item_id.data)
|
||||
if original_line_item is None:
|
||||
return
|
||||
if field.data != original_line_item.account_code:
|
||||
raise ValidationError(lazy_gettext(
|
||||
"The account must be the same as the original line item."))
|
||||
|
||||
|
||||
class KeepAccountWhenHavingOffset:
|
||||
"""The validator to check if the account is the same when having offset."""
|
||||
|
||||
def __call__(self, form: FlaskForm, field: StringField) -> None:
|
||||
assert isinstance(form, LineItemForm)
|
||||
if field.data is None or form.eid.data is None:
|
||||
return
|
||||
line_item: JournalEntryLineItem | None = db.session\
|
||||
.query(JournalEntryLineItem)\
|
||||
.filter(JournalEntryLineItem.id == form.eid.data)\
|
||||
.options(selectinload(JournalEntryLineItem.offsets)).first()
|
||||
if line_item is None or len(line_item.offsets) == 0:
|
||||
return
|
||||
if field.data != line_item.account_code:
|
||||
raise ValidationError(lazy_gettext(
|
||||
"The account must not be changed when there is offset."))
|
||||
|
||||
|
||||
class NotStartPayableFromDebit:
|
||||
"""The validator to check that a payable line item does not start from
|
||||
debit."""
|
||||
|
||||
def __call__(self, form: FlaskForm, field: StringField) -> None:
|
||||
assert isinstance(form, DebitLineItemForm)
|
||||
if field.data is None \
|
||||
or field.data[0] != "2" \
|
||||
or form.original_line_item_id.data is not None:
|
||||
return
|
||||
account: Account | None = Account.find_by_code(field.data)
|
||||
if account is not None and account.is_need_offset:
|
||||
raise ValidationError(lazy_gettext(
|
||||
"A payable line item cannot start from debit."))
|
||||
|
||||
|
||||
class NotStartReceivableFromCredit:
|
||||
"""The validator to check that a receivable line item does not start
|
||||
from credit."""
|
||||
|
||||
def __call__(self, form: FlaskForm, field: StringField) -> None:
|
||||
assert isinstance(form, CreditLineItemForm)
|
||||
if field.data is None \
|
||||
or field.data[0] != "1" \
|
||||
or form.original_line_item_id.data is not None:
|
||||
return
|
||||
account: Account | None = Account.find_by_code(field.data)
|
||||
if account is not None and account.is_need_offset:
|
||||
raise ValidationError(lazy_gettext(
|
||||
"A receivable line item cannot start from credit."))
|
||||
|
||||
|
||||
class PositiveAmount:
|
||||
"""The validator to check if the amount is positive."""
|
||||
|
||||
def __call__(self, form: FlaskForm, field: DecimalField) -> None:
|
||||
if field.data is None:
|
||||
return
|
||||
if field.data <= 0:
|
||||
raise ValidationError(lazy_gettext(
|
||||
"Please fill in a positive amount."))
|
||||
|
||||
|
||||
class NotExceedingOriginalLineItemNetBalance:
|
||||
"""The validator to check if the amount exceeds the net balance of the
|
||||
original line item."""
|
||||
|
||||
def __call__(self, form: FlaskForm, field: DecimalField) -> None:
|
||||
assert isinstance(form, LineItemForm)
|
||||
if field.data is None or form.original_line_item_id.data is None:
|
||||
return
|
||||
original_line_item: JournalEntryLineItem | None \
|
||||
= db.session.get(JournalEntryLineItem,
|
||||
form.original_line_item_id.data)
|
||||
if original_line_item is None:
|
||||
return
|
||||
is_debit: bool = isinstance(form, DebitLineItemForm)
|
||||
existing_line_item_id: set[int] = set()
|
||||
if form.journal_entry_form.obj is not None:
|
||||
existing_line_item_id \
|
||||
= {x.id for x in form.journal_entry_form.obj.line_items}
|
||||
offset_total_func: sa.Function = sa.func.sum(sa.case(
|
||||
(be(JournalEntryLineItem.is_debit == is_debit),
|
||||
JournalEntryLineItem.amount),
|
||||
else_=-JournalEntryLineItem.amount))
|
||||
offset_total_but_form: Decimal | None = db.session.scalar(
|
||||
sa.select(offset_total_func)
|
||||
.filter(be(JournalEntryLineItem.original_line_item_id
|
||||
== original_line_item.id),
|
||||
JournalEntryLineItem.id.not_in(existing_line_item_id)))
|
||||
if offset_total_but_form is None:
|
||||
offset_total_but_form = Decimal("0")
|
||||
offset_total_on_form: Decimal = sum(
|
||||
[x.amount.data for x in form.journal_entry_form.line_items
|
||||
if x.original_line_item_id.data == original_line_item.id
|
||||
and x.amount != field and x.amount.data is not None])
|
||||
net_balance: Decimal = original_line_item.amount \
|
||||
- offset_total_but_form - offset_total_on_form
|
||||
if field.data > net_balance:
|
||||
raise ValidationError(lazy_gettext(
|
||||
"The amount must not exceed the net balance %(balance)s of the"
|
||||
" original line item.", balance=format_amount(net_balance)))
|
||||
|
||||
|
||||
class NotLessThanOffsetTotal:
|
||||
"""The validator to check if the amount is less than the offset total."""
|
||||
|
||||
def __call__(self, form: FlaskForm, field: DecimalField) -> None:
|
||||
assert isinstance(form, LineItemForm)
|
||||
if field.data is None or form.eid.data is None:
|
||||
return
|
||||
is_debit: bool = isinstance(form, DebitLineItemForm)
|
||||
select_offset_total: sa.Select = sa.select(sa.func.sum(sa.case(
|
||||
(JournalEntryLineItem.is_debit != is_debit,
|
||||
JournalEntryLineItem.amount),
|
||||
else_=-JournalEntryLineItem.amount)))\
|
||||
.filter(be(JournalEntryLineItem.original_line_item_id
|
||||
== form.eid.data))
|
||||
offset_total: Decimal | None = db.session.scalar(select_offset_total)
|
||||
if offset_total is not None and field.data < offset_total:
|
||||
raise ValidationError(lazy_gettext(
|
||||
"The amount must not be less than the offset total %(total)s.",
|
||||
total=format_amount(offset_total)))
|
||||
|
||||
|
||||
class LineItemForm(FlaskForm):
|
||||
"""The base form to create or edit a line item."""
|
||||
eid = IntegerField()
|
||||
"""The existing line item ID."""
|
||||
no = IntegerField()
|
||||
"""The order in the currency."""
|
||||
original_line_item_id = IntegerField()
|
||||
"""The Id of the original line item."""
|
||||
account_code = StringField()
|
||||
"""The account code."""
|
||||
description = StringField()
|
||||
"""The description."""
|
||||
amount = DecimalField()
|
||||
"""The amount."""
|
||||
|
||||
def __init__(self, *args, **kwargs):
|
||||
"""Constructs a base line item form.
|
||||
|
||||
:param args: The arguments.
|
||||
:param kwargs: The keyword arguments.
|
||||
"""
|
||||
super().__init__(*args, **kwargs)
|
||||
from .journal_entry import JournalEntryForm
|
||||
self.journal_entry_form: JournalEntryForm | None = None
|
||||
"""The source journal entry form."""
|
||||
|
||||
@property
|
||||
def account_text(self) -> str:
|
||||
"""Returns the text representation of the account.
|
||||
|
||||
:return: The text representation of the account.
|
||||
"""
|
||||
if self.account_code.data is None:
|
||||
return ""
|
||||
account: Account | None = Account.find_by_code(self.account_code.data)
|
||||
if account is None:
|
||||
return ""
|
||||
return str(account)
|
||||
|
||||
@property
|
||||
def __original_line_item(self) -> JournalEntryLineItem | None:
|
||||
"""Returns the original line item.
|
||||
|
||||
:return: The original line item.
|
||||
"""
|
||||
if not hasattr(self, "____original_line_item"):
|
||||
def get_line_item() -> JournalEntryLineItem | None:
|
||||
if self.original_line_item_id.data is None:
|
||||
return None
|
||||
return db.session.get(JournalEntryLineItem,
|
||||
self.original_line_item_id.data)
|
||||
setattr(self, "____original_line_item", get_line_item())
|
||||
return getattr(self, "____original_line_item")
|
||||
|
||||
@property
|
||||
def original_line_item_date(self) -> date | None:
|
||||
"""Returns the text representation of the original line item.
|
||||
|
||||
:return: The text representation of the original line item.
|
||||
"""
|
||||
return None if self.__original_line_item is None \
|
||||
else self.__original_line_item.journal_entry.date
|
||||
|
||||
@property
|
||||
def original_line_item_text(self) -> str | None:
|
||||
"""Returns the text representation of the original line item.
|
||||
|
||||
:return: The text representation of the original line item.
|
||||
"""
|
||||
return None if self.__original_line_item is None \
|
||||
else str(self.__original_line_item)
|
||||
|
||||
@property
|
||||
def is_need_offset(self) -> bool:
|
||||
"""Returns whether the line item needs offset.
|
||||
|
||||
:return: True if the line item needs offset, or False otherwise.
|
||||
"""
|
||||
if self.account_code.data is None:
|
||||
return False
|
||||
if self.account_code.data[0] == "1":
|
||||
if isinstance(self, CreditLineItemForm):
|
||||
return False
|
||||
elif self.account_code.data[0] == "2":
|
||||
if isinstance(self, DebitLineItemForm):
|
||||
return False
|
||||
else:
|
||||
return False
|
||||
account: Account | None = Account.find_by_code(self.account_code.data)
|
||||
return account is not None and account.is_need_offset
|
||||
|
||||
@property
|
||||
def offsets(self) -> list[JournalEntryLineItem]:
|
||||
"""Returns the offsets.
|
||||
|
||||
:return: The offsets.
|
||||
"""
|
||||
if not hasattr(self, "__offsets"):
|
||||
def get_offsets() -> list[JournalEntryLineItem]:
|
||||
if not self.is_need_offset or self.eid.data is None:
|
||||
return []
|
||||
return JournalEntryLineItem.query\
|
||||
.filter(JournalEntryLineItem.original_line_item_id
|
||||
== self.eid.data)\
|
||||
.options(selectinload(JournalEntryLineItem.journal_entry),
|
||||
selectinload(JournalEntryLineItem.account),
|
||||
selectinload(JournalEntryLineItem.offsets)
|
||||
.selectinload(
|
||||
JournalEntryLineItem.journal_entry)).all()
|
||||
setattr(self, "__offsets", get_offsets())
|
||||
return getattr(self, "__offsets")
|
||||
|
||||
@property
|
||||
def offset_total(self) -> Decimal | None:
|
||||
"""Returns the total amount of the offsets.
|
||||
|
||||
:return: The total amount of the offsets.
|
||||
"""
|
||||
if not hasattr(self, "__offset_total"):
|
||||
def get_offset_total():
|
||||
if not self.is_need_offset or self.eid.data is None:
|
||||
return None
|
||||
is_debit: bool = isinstance(self, DebitLineItemForm)
|
||||
return sum([x.amount if x.is_debit != is_debit else -x.amount
|
||||
for x in self.offsets])
|
||||
setattr(self, "__offset_total", get_offset_total())
|
||||
return getattr(self, "__offset_total")
|
||||
|
||||
@property
|
||||
def net_balance(self) -> Decimal | None:
|
||||
"""Returns the net balance.
|
||||
|
||||
:return: The net balance.
|
||||
"""
|
||||
if not self.is_need_offset or self.eid.data is None \
|
||||
or self.amount.data is None:
|
||||
return None
|
||||
return self.amount.data - self.offset_total
|
||||
|
||||
@property
|
||||
def all_errors(self) -> list[str | LazyString]:
|
||||
"""Returns all the errors of the form.
|
||||
|
||||
:return: All the errors of the form.
|
||||
"""
|
||||
all_errors: list[str | LazyString] = []
|
||||
for key in self.errors:
|
||||
if key != "csrf_token":
|
||||
all_errors.extend(self.errors[key])
|
||||
return all_errors
|
||||
|
||||
|
||||
class DebitLineItemForm(LineItemForm):
|
||||
"""The form to create or edit a debit line item."""
|
||||
eid = IntegerField()
|
||||
"""The existing line item ID."""
|
||||
no = IntegerField()
|
||||
"""The order in the currency."""
|
||||
original_line_item_id = IntegerField(
|
||||
validators=[Optional(),
|
||||
OriginalLineItemExists(),
|
||||
OriginalLineItemOppositeDebitCredit(),
|
||||
OriginalLineItemNeedOffset(),
|
||||
OriginalLineItemNotOffset()])
|
||||
"""The ID of the original line item."""
|
||||
account_code = StringField(
|
||||
filters=[strip_text],
|
||||
validators=[ACCOUNT_REQUIRED,
|
||||
AccountExists(),
|
||||
IsDebitAccount(),
|
||||
SameAccountAsOriginalLineItem(),
|
||||
KeepAccountWhenHavingOffset(),
|
||||
NotStartPayableFromDebit()])
|
||||
"""The account code."""
|
||||
description = StringField(filters=[strip_text])
|
||||
"""The description."""
|
||||
amount = DecimalField(
|
||||
validators=[PositiveAmount(),
|
||||
NotExceedingOriginalLineItemNetBalance(),
|
||||
NotLessThanOffsetTotal()])
|
||||
"""The amount."""
|
||||
|
||||
def populate_obj(self, obj: JournalEntryLineItem) -> None:
|
||||
"""Populates the form data into a line item object.
|
||||
|
||||
:param obj: The line item object.
|
||||
:return: None.
|
||||
"""
|
||||
is_new: bool = obj.id is None
|
||||
if is_new:
|
||||
obj.id = new_id(JournalEntryLineItem)
|
||||
obj.original_line_item_id = self.original_line_item_id.data
|
||||
obj.account_id = Account.find_by_code(self.account_code.data).id
|
||||
obj.description = self.description.data
|
||||
obj.is_debit = True
|
||||
obj.amount = self.amount.data
|
||||
if is_new:
|
||||
current_user_pk: int = get_current_user_pk()
|
||||
obj.created_by_id = current_user_pk
|
||||
obj.updated_by_id = current_user_pk
|
||||
|
||||
|
||||
class CreditLineItemForm(LineItemForm):
|
||||
"""The form to create or edit a credit line item."""
|
||||
eid = IntegerField()
|
||||
"""The existing line item ID."""
|
||||
no = IntegerField()
|
||||
"""The order in the currency."""
|
||||
original_line_item_id = IntegerField(
|
||||
validators=[Optional(),
|
||||
OriginalLineItemExists(),
|
||||
OriginalLineItemOppositeDebitCredit(),
|
||||
OriginalLineItemNeedOffset(),
|
||||
OriginalLineItemNotOffset()])
|
||||
"""The ID of the original line item."""
|
||||
account_code = StringField(
|
||||
filters=[strip_text],
|
||||
validators=[ACCOUNT_REQUIRED,
|
||||
AccountExists(),
|
||||
IsCreditAccount(),
|
||||
SameAccountAsOriginalLineItem(),
|
||||
KeepAccountWhenHavingOffset(),
|
||||
NotStartReceivableFromCredit()])
|
||||
"""The account code."""
|
||||
description = StringField(filters=[strip_text])
|
||||
"""The description."""
|
||||
amount = DecimalField(
|
||||
validators=[PositiveAmount(),
|
||||
NotExceedingOriginalLineItemNetBalance(),
|
||||
NotLessThanOffsetTotal()])
|
||||
"""The amount."""
|
||||
|
||||
def populate_obj(self, obj: JournalEntryLineItem) -> None:
|
||||
"""Populates the form data into a line item object.
|
||||
|
||||
:param obj: The line item object.
|
||||
:return: None.
|
||||
"""
|
||||
is_new: bool = obj.id is None
|
||||
if is_new:
|
||||
obj.id = new_id(JournalEntryLineItem)
|
||||
obj.original_line_item_id = self.original_line_item_id.data
|
||||
obj.account_id = Account.find_by_code(self.account_code.data).id
|
||||
obj.description = self.description.data
|
||||
obj.is_debit = False
|
||||
obj.amount = self.amount.data
|
||||
if is_new:
|
||||
current_user_pk: int = get_current_user_pk()
|
||||
obj.created_by_id = current_user_pk
|
||||
obj.updated_by_id = current_user_pk
|
||||
95
src/accounting/journal_entry/forms/reorder.py
Normal file
95
src/accounting/journal_entry/forms/reorder.py
Normal file
@@ -0,0 +1,95 @@
|
||||
# The Mia! Accounting Flask Project.
|
||||
# Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/10
|
||||
|
||||
# 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 reorder forms for the journal entry management.
|
||||
|
||||
"""
|
||||
from datetime import date
|
||||
|
||||
import sqlalchemy as sa
|
||||
from flask import request
|
||||
|
||||
from accounting import db
|
||||
from accounting.models import JournalEntry
|
||||
|
||||
|
||||
def sort_journal_entries_in(journal_entry_date: date,
|
||||
exclude: int | None = None) -> None:
|
||||
"""Sorts the journal entries under a date after changing the date or
|
||||
deleting a journal entry.
|
||||
|
||||
:param journal_entry_date: The date of the journal entry.
|
||||
:param exclude: The journal entry ID to exclude.
|
||||
:return: None.
|
||||
"""
|
||||
conditions: list[sa.BinaryExpression] \
|
||||
= [JournalEntry.date == journal_entry_date]
|
||||
if exclude is not None:
|
||||
conditions.append(JournalEntry.id != exclude)
|
||||
journal_entries: list[JournalEntry] = JournalEntry.query\
|
||||
.filter(*conditions)\
|
||||
.order_by(JournalEntry.no).all()
|
||||
for i in range(len(journal_entries)):
|
||||
if journal_entries[i].no != i + 1:
|
||||
journal_entries[i].no = i + 1
|
||||
|
||||
|
||||
class JournalEntryReorderForm:
|
||||
"""The form to reorder the journal entries."""
|
||||
|
||||
def __init__(self, journal_entry_date: date):
|
||||
"""Constructs the form to reorder the journal entries in a day.
|
||||
|
||||
:param journal_entry_date: The date.
|
||||
"""
|
||||
self.date: date = journal_entry_date
|
||||
self.is_modified: bool = False
|
||||
|
||||
def save_order(self) -> None:
|
||||
"""Saves the order of the account.
|
||||
|
||||
:return:
|
||||
"""
|
||||
journal_entries: list[JournalEntry] = JournalEntry.query\
|
||||
.filter(JournalEntry.date == self.date).all()
|
||||
|
||||
# Collects the specified order.
|
||||
orders: dict[JournalEntry, int] = {}
|
||||
for journal_entry in journal_entries:
|
||||
if f"{journal_entry.id}-no" in request.form:
|
||||
try:
|
||||
orders[journal_entry] \
|
||||
= int(request.form[f"{journal_entry.id}-no"])
|
||||
except ValueError:
|
||||
pass
|
||||
|
||||
# Missing and invalid orders are appended to the end.
|
||||
missing: list[JournalEntry] \
|
||||
= [x for x in journal_entries if x not in orders]
|
||||
if len(missing) > 0:
|
||||
next_no: int = 1 if len(orders) == 0 else max(orders.values()) + 1
|
||||
for journal_entry in missing:
|
||||
orders[journal_entry] = next_no
|
||||
|
||||
# Sort by the specified order first, and their original order.
|
||||
journal_entries.sort(key=lambda x: (orders[x], x.no))
|
||||
|
||||
# Update the orders.
|
||||
with db.session.no_autoflush:
|
||||
for i in range(len(journal_entries)):
|
||||
if journal_entries[i].no != i + 1:
|
||||
journal_entries[i].no = i + 1
|
||||
self.is_modified = True
|
||||
Reference in New Issue
Block a user