mia-accounting/src/accounting/currency/commands.py

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2023-02-07 00:07:23 +08:00
# The Mia! Accounting Flask Project.
# Author: imacat@mail.imacat.idv.tw (imacat), 2023/2/6
# 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 console commands for the currency management.
"""
import os
import click
from flask.cli import with_appcontext
from accounting.database import db
from accounting.models import Currency, CurrencyL10n
from accounting.utils.user import has_user, get_user_pk
CurrencyData = tuple[str, str, str, str]
def __validate_username(ctx: click.core.Context, param: click.core.Option,
value: str) -> str:
"""Validates the username for the click console command.
:param ctx: The console command context.
:param param: The console command option.
:param value: The username.
:raise click.BadParameter: When validation fails.
:return: The username.
"""
value = value.strip()
if value == "":
raise click.BadParameter("Username empty.")
if not has_user(value):
raise click.BadParameter(f"User {value} does not exist.")
return value
@click.command("accounting-init-currencies")
@click.option("-u", "--username", metavar="USERNAME", prompt=True,
help="The username.", callback=__validate_username,
default=lambda: os.getlogin())
@with_appcontext
def init_currencies_command(username: str) -> None:
"""Initializes the currencies."""
data: list[CurrencyData] = [
("TWD", "New Taiwan dollar", "新臺幣", "新台币"),
("USD", "United States dollar", "美元", "美元"),
]
creator_pk: int = get_user_pk(username)
existing: list[Currency] = Currency.query.all()
existing_code: set[str] = {x.code for x in existing}
to_add: list[CurrencyData] = [x for x in data if x[0] not in existing_code]
if len(to_add) == 0:
click.echo("No more currency to add.")
return
db.session.bulk_save_objects(
[Currency(code=x[0], name_l10n=x[1],
created_by_id=creator_pk, updated_by_id=creator_pk)
for x in data])
db.session.bulk_save_objects(
[CurrencyL10n(currency_code=x[0], locale=y[0], name=y[1])
for x in data for y in (("zh_Hant", x[2]), ("zh_Hans", x[3]))])
db.session.commit()
click.echo(F"{len(to_add)} added. Currencies initialized.")