Added the search to the accounting data.
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299
src/accounting/report/reports/search.py
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299
src/accounting/report/reports/search.py
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# The Mia! Accounting Flask Project.
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# Author: imacat@mail.imacat.idv.tw (imacat), 2023/3/8
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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 search.
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"""
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from datetime import date, datetime
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from decimal import Decimal
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import sqlalchemy as sa
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from flask import Response, render_template, request
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from accounting.locale import gettext
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from accounting.models import Currency, CurrencyL10n, Account, AccountL10n, \
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Transaction, JournalEntry
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from accounting.utils.pagination import Pagination
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from accounting.utils.query import parse_query_keywords
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from .utils.base_report import BaseReport
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from .utils.csv_export import BaseCSVRow, csv_download
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from .utils.page_params import PageParams
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from .utils.report_chooser import ReportChooser
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from .utils.report_type import ReportType
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class Entry:
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"""An entry in the search result."""
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def __init__(self, entry: JournalEntry | None = None):
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"""Constructs the entry in the search result.
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:param entry: The journal entry.
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"""
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self.entry: JournalEntry | None = None
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"""The journal entry."""
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self.transaction: Transaction | None = None
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"""The transaction."""
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self.is_total: bool = False
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"""Whether this is the total entry."""
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self.currency: Currency | None = None
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"""The account."""
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self.account: Account | None = None
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"""The account."""
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self.summary: str | None = None
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"""The summary."""
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self.debit: Decimal | None = None
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"""The debit amount."""
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self.credit: Decimal | None = None
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"""The credit amount."""
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self.amount: Decimal | None = None
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"""The amount."""
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if entry is not None:
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self.entry = entry
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self.summary = entry.summary
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self.debit = entry.amount if entry.is_debit else None
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self.credit = None if entry.is_debit else entry.amount
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self.amount = entry.amount
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class CSVRow(BaseCSVRow):
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"""A row in the CSV search result."""
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def __init__(self, txn_date: str | date,
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currency: str,
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account: str,
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summary: str | None,
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debit: str | Decimal | None,
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credit: str | Decimal | None,
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note: str | None):
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"""Constructs a row in the CSV search result.
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:param txn_date: The transaction date.
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:param summary: The summary.
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:param debit: The debit amount.
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:param credit: The credit amount.
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:param note: The note.
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"""
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self.date: str | date = txn_date
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"""The date."""
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self.currency: str = currency
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"""The currency."""
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self.account: str = account
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"""The account."""
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self.summary: str | None = summary
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"""The summary."""
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self.debit: str | Decimal | None = debit
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"""The debit amount."""
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self.credit: str | Decimal | None = credit
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"""The credit amount."""
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self.note: str | None = note
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"""The note."""
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@property
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def values(self) -> list[str | Decimal | None]:
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"""Returns the values of the row.
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:return: The values of the row.
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"""
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return [self.date, self.currency, self.account, self.summary,
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self.debit, self.credit, self.note]
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class SearchPageParams(PageParams):
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"""The HTML parameters of the search result."""
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def __init__(self, pagination: Pagination[Entry],
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entries: list[Entry]):
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"""Constructs the HTML parameters of the search result.
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:param entries: The search result entries.
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"""
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self.pagination: Pagination[Entry] = pagination
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"""The pagination."""
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self.entries: list[Entry] = entries
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"""The entries."""
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@property
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def has_data(self) -> bool:
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"""Returns whether there is any data on the page.
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:return: True if there is any data, or False otherwise.
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"""
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return len(self.entries) > 0
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@property
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def report_chooser(self) -> ReportChooser:
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"""Returns the report chooser.
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:return: The report chooser.
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"""
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return ReportChooser(ReportType.SEARCH)
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def _populate_entries(entries: list[Entry]) -> None:
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"""Populates the search result entries with relative data.
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:param entries: The search result entries.
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:return: None.
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"""
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transactions: dict[int, Transaction] \
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= {x.id: x for x in Transaction.query.filter(
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Transaction.id.in_({x.entry.transaction_id for x in entries}))}
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accounts: dict[int, Account] \
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= {x.id: x for x in Account.query.filter(
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Account.id.in_({x.entry.account_id for x in entries}))}
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currencies: dict[int, Currency] \
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= {x.code: x for x in Currency.query.filter(
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Currency.code.in_({x.entry.currency_code for x in entries}))}
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for entry in entries:
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entry.transaction = transactions[entry.entry.transaction_id]
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entry.account = accounts[entry.entry.account_id]
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entry.currency = currencies[entry.entry.currency_code]
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class Search(BaseReport):
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"""The search."""
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def __init__(self):
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"""Constructs a search."""
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"""The account."""
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self.__entries: list[Entry] = self.__query_entries()
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"""The journal entries."""
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def __query_entries(self) -> list[Entry]:
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"""Queries and returns the journal entries.
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:return: The journal entries.
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"""
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keywords: list[str] = parse_query_keywords(request.args.get("q"))
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if len(keywords) == 0:
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return []
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conditions: list[sa.BinaryExpression] = []
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for k in keywords:
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conditions.append(sa.or_(
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JournalEntry.summary.contains(k),
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sa.cast(JournalEntry.amount, sa.String).contains(k),
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JournalEntry.account_id.in_(self.__get_account_condition(k)),
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JournalEntry.currency_code.in_(
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self.__get_currency_condition(k)),
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JournalEntry.transaction_id.in_(
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self.__get_transaction_condition(k))))
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return [Entry(x) for x in JournalEntry.query.filter(*conditions)]
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@staticmethod
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def __get_account_condition(k: str) -> sa.Select:
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"""Composes and returns the condition to filter the account.
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:param k: The keyword.
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:return: The condition to filter the account.
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"""
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code: sa.BinaryExpression = Account.base_code + "-" \
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+ sa.func.substr("000" + sa.cast(Account.no, sa.String),
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sa.func.char_length(sa.cast(Account.no,
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sa.String)) + 1)
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select_l10n: sa.Select = sa.select(AccountL10n.account_id)\
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.filter(AccountL10n.title.contains(k))
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conditions: list[sa.BinaryExpression] \
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= [Account.base_code.contains(k),
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Account.title_l10n.contains(k),
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code.contains(k),
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Account.id.in_(select_l10n)]
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if k in gettext("Pay-off needed"):
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conditions.append(Account.is_pay_off_needed)
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return sa.select(Account.id).filter(sa.or_(*conditions))
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@staticmethod
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def __get_currency_condition(k: str) -> sa.Select:
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"""Composes and returns the condition to filter the currency.
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:param k: The keyword.
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:return: The condition to filter the currency.
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"""
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select_l10n: sa.Select = sa.select(CurrencyL10n.currency_code)\
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.filter(CurrencyL10n.name.contains(k))
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return sa.select(Currency.code).filter(
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sa.or_(Currency.code.contains(k),
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Currency.name_l10n.contains(k),
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Currency.code.in_(select_l10n)))
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@staticmethod
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def __get_transaction_condition(k: str) -> sa.Select:
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"""Composes and returns the condition to filter the transaction.
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:param k: The keyword.
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:return: The condition to filter the transaction.
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"""
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conditions: list[sa.BinaryExpression] \
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= [Transaction.note.contains(k)]
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txn_date: datetime
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try:
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txn_date = datetime.strptime(k, "%Y")
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conditions.append(
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sa.extract("year", Transaction.date) == txn_date.year)
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except ValueError:
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pass
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try:
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txn_date = datetime.strptime(k, "%Y/%m")
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conditions.append(sa.and_(
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sa.extract("year", Transaction.date) == txn_date.year,
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sa.extract("month", Transaction.date) == txn_date.month))
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except ValueError:
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pass
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try:
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txn_date = datetime.strptime(f"2000/{k}", "%Y/%m/%d")
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conditions.append(sa.and_(
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sa.extract("month", Transaction.date) == txn_date.month,
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sa.extract("day", Transaction.date) == txn_date.day))
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except ValueError:
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pass
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return sa.select(Transaction.id).filter(sa.or_(*conditions))
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def csv(self) -> Response:
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"""Returns the report as CSV for download.
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:return: The response of the report for download.
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"""
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filename: str = "search-{q}.csv".format(q=request.args["q"])
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return csv_download(filename, self.__get_csv_rows())
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def __get_csv_rows(self) -> list[CSVRow]:
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"""Composes and returns the CSV rows.
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:return: The CSV rows.
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"""
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_populate_entries(self.__entries)
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rows: list[CSVRow] = [CSVRow(gettext("Date"), gettext("Currency"),
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gettext("Account"), gettext("Summary"),
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gettext("Debit"), gettext("Credit"),
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gettext("Note"))]
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rows.extend([CSVRow(x.transaction.date, x.currency.code,
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str(x.account).title(), x.summary,
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x.debit, x.credit, x.transaction.note)
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for x in self.__entries])
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return rows
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def html(self) -> str:
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"""Composes and returns the report as HTML.
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:return: The report as HTML.
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"""
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pagination: Pagination[Entry] = Pagination[Entry](self.__entries)
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page_entries: list[Entry] = pagination.list
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_populate_entries(page_entries)
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params: SearchPageParams = SearchPageParams(pagination=pagination,
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entries=page_entries)
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return render_template("accounting/report/search.html",
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report=params)
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