145 lines
3.8 KiB
Python
145 lines
3.8 KiB
Python
# The accounting application of the Mia project.
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# by imacat <imacat@mail.imacat.idv.tw>, 2020/7/23
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# Copyright (c) 2020 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 URL converters.
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"""
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from django.utils.translation import pgettext
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from accounting.models import Transaction, Record, Account
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from mia_core.period import Period
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class TransactionTypeConverter:
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"""The path converter for the transaction types."""
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regex = "income|expense|transfer"
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def to_python(self, value):
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return value
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def to_url(self, value):
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return value
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class PeriodConverter:
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"""The path converter for the period."""
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regex = ".+"
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def to_python(self, value):
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"""Returns the period by the period specification.
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Args:
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value (str): The period specification.
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Returns:
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Period: The period.
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"""
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first_txn = Transaction.objects.order_by("date").first()
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data_start = first_txn.date if first_txn is not None else None
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last_txn = Transaction.objects.order_by("-date").first()
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data_end = last_txn.date if last_txn is not None else None
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period = Period(value, data_start, data_end)
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if period.error is not None:
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raise ValueError
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return period
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def to_url(self, value):
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"""Returns the specification of a period.
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Args:
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value (Period|str): The period.
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Returns:
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str: The period specification.
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"""
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if isinstance(value, Period):
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return value.spec
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return value
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class CashAccountConverter:
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"""The path converter for the cash account."""
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regex = "0|(11|12|21|22)[1-9]{1,3}"
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def to_python(self, value):
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"""Returns the cash account by the account code.
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Args:
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value (str): The account code.
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Returns:
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Account: The account.
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"""
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if value == "0":
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return Account(
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code="0",
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title=pgettext(
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"Accounting|", "current assets and liabilities"),
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)
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try:
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account = Account.objects.get(code=value)
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except Account.DoesNotExist:
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raise ValueError
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if Record.objects.filter(account=account).count() == 0:
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raise ValueError
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return account
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def to_url(self, value):
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"""Returns the code of an account.
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Args:
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value (Account): The account.
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Returns:
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str: The account code.
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"""
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return value.code
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class LedgerAccountConverter:
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"""The path converter for the ledger account."""
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regex = "[1-9]{1,5}"
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def to_python(self, value):
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"""Returns the ledger accountby the account code.
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Args:
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value (str): The account code.
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Returns:
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Account: The account.
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"""
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try:
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account = Account.objects.get(code=value)
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except Account.DoesNotExist:
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raise ValueError
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if Record.objects.filter(account__code__startswith=value).count() == 0:
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raise ValueError
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return account
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def to_url(self, value):
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"""Returns the code of an account.
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Args:
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value (Account): The account.
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Returns:
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str: The account code.
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"""
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return value.code
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