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# Copyright 2019, 2020 Dominik George <dominik.george@teckids.org>
# Copyright 2020 Jonathan Weth <wethjo@katharineum.de>
#
# 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.
import json
import locale
from typing import Any, List, Optional, Tuple
from django.conf import settings
from django.http import HttpRequest, HttpResponse
from django.utils.encoding import DEFAULT_LOCALE_ENCODING
from django.utils.functional import lazy
from django.utils.translation import get_language, to_locale
from .calendarweek import CalendarWeek
def i18n_day_names(loc: Optional[str] = None) -> Tuple[str]:
""" Return a tuple of day names for the current locale. """
if loc is None:
loc = to_locale(get_language() or settings.LANGUAGE_CODE)
try:
return CalendarWeek.day_names(loc)
except locale.Error:
return CalendarWeek.day_names()
def i18n_day_abbrs(loc: Optional[str] = None) -> Tuple[str]:
""" Return a tuple of day name abbreviations for the current locale. """
if loc is None:
loc = to_locale(get_language() or settings.LANGUAGE_CODE)
try:
return CalendarWeek.day_abbrs(loc)
except locale.Error:
return CalendarWeek.day_abbrs()
def i18n_month_names(loc: Optional[str] = None) -> Tuple[str]:
""" Return a tuple of month names for the current locale. """
if loc is None:
loc = to_locale(get_language() or settings.LANGUAGE_CODE)
try:
return CalendarWeek.month_names(loc)
except locale.Error:
return CalendarWeek.month_names()
def i18n_month_abbrs(loc: Optional[str] = None) -> Tuple[str]:
""" Return a tuple of month name abbreviations for the current locale. """
if loc is None:
loc = to_locale(get_language() or settings.LANGUAGE_CODE)
try:
return CalendarWeek.month_abbrs(loc)
except locale.Error:
return CalendarWeek.month_abbrs()
def i18n_day_name_choices(loc: Optional[str] = None) -> Tuple[Tuple[int, str]]:
""" Return an enumeration of day names for the current locale. """
return list(enumerate(i18n_day_names(loc)))
def i18n_day_abbr_choices(loc: Optional[str] = None) -> Tuple[Tuple[int, str]]:
""" Return an enumeration of day name abbreviations for the current locale. """
return list(enumerate(i18n_day_abbrs(loc)))
def i18n_month_name_choices(loc: Optional[str] = None) -> Tuple[Tuple[int, str]]:
""" Return an enumeration of month names for the current locale. """
return list(enumerate(i18n_month_names(loc)))
def i18n_month_abbr_choices(loc: Optional[str] = None) -> Tuple[Tuple[int, str]]:
""" Return an enumeration of month name abbreviations for the current locale. """
return list(enumerate(i18n_month_abbrs(loc)))
def i18n_js(request: HttpRequest) -> HttpResponse:
""" Deliver a JS file containing JS representations of the current locale's
calendar translations. """
# Begin day names at this element
# 0 (default = Monday, 6 = Sunday
first_day = int(request.GET.get("first_day", "0"))
day_indices = list(range(first_day, 7)) + list(range(0, first_day))
def reorder(l: List[Any], i: List[int]) -> List[Any]:
return [l[n] for n in i]
# Get locale from request; can also be used to control caching
loc = request.GET.get("locale", None)
return HttpResponse(
"var calendarweek_i18n = "
+ json.dumps(
{
"day_names": reorder(i18n_day_names(loc), day_indices),
"day_abbrs": reorder(i18n_day_abbrs(loc), day_indices),
"month_names": i18n_month_names(loc),
"month_abbrs": i18n_month_abbrs(loc),
}
),
content_type="text/javascript",
)
i18n_day_names_lazy = lazy(i18n_day_names, tuple)
i18n_day_abbrs_lazy = lazy(i18n_day_abbrs, tuple)
i18n_day_name_choices_lazy = lazy(i18n_day_name_choices, tuple)
i18n_day_abbr_choices_lazy = lazy(i18n_day_abbr_choices, tuple)
i18n_month_names_lazy = lazy(i18n_month_names, tuple)
i18n_month_abbrs_lazy = lazy(i18n_month_abbrs, tuple)
i18n_month_name_choices_lazy = lazy(i18n_month_name_choices, tuple)
i18n_month_abbr_choices_lazy = lazy(i18n_month_abbr_choices, tuple)
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