Added Period as the template period helper, and changed PeriodParser to the inner class Period.Parser.
This commit is contained in:
依瑪貓
parent
8cefd0d4bf
commit
dde75b9805
@ -18,6 +18,7 @@
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"""The view controllers of the accounting application.
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"""
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from datetime import date
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from django.http import HttpResponseRedirect, HttpResponse
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@ -25,11 +26,12 @@ from django.urls import reverse
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from django.utils import dateformat
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from django.utils.decorators import method_decorator
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from django.utils.timezone import localdate
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from django.utils.translation import get_language
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from django.views import generic
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from django.views.decorators.http import require_GET
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from accounting.models import Record
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from mia_core.period import PeriodParser
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from mia_core.period import Period
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from mia import settings
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from mia_core.digest_auth import digest_login_required
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from mia_core.utils import UrlBuilder, Pagination, \
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@ -70,12 +72,12 @@ class BaseReportView(generic.ListView):
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Attributes:
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page_no (int): The specified page number
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page_size (int): The specified page size
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period_parser (PeriodParser): The period parser
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period (Period): The template period helper
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"""
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page_no = None
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page_size = None
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pagination = None
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period_parser = None
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period = None
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def get(self, request, *args, **kwargs):
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"""Adds object_list to the context.
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@ -125,7 +127,7 @@ class BaseReportView(generic.ListView):
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def get_context_data(self, **kwargs):
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data = super(BaseReportView, self).get_context_data(**kwargs)
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data["period"] = self.period_parser
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data["period"] = self.period
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data["pagination_links"] = self.pagination.links
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return data
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@ -142,7 +144,9 @@ class CashReportView(BaseReportView):
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Returns:
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List[Record]: The accounting records for the cash report
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"""
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self.period_parser = PeriodParser(self.kwargs["period_spec"])
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self.period = Period(
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get_language(), date(2000, 1, 1), date(2030, 12, 31),
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self.kwargs["period_spec"])
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if self.kwargs["subject_code"] == "0":
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records = Record.objects.raw(
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"""SELECT r.*
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@ -174,7 +178,7 @@ ORDER BY
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t.ord,
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CASE WHEN is_credit THEN 1 ELSE 2 END,
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r.ord""",
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[self.period_parser.start, self.period_parser.end])
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[self.period.start, self.period.end])
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else:
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records = Record.objects.raw(
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"""SELECT r.*
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@ -200,8 +204,8 @@ ORDER BY
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t.ord,
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CASE WHEN is_credit THEN 1 ELSE 2 END,
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r.ord""",
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[self.period_parser.start,
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self.period_parser.end,
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[self.period.start,
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self.period.end,
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self.kwargs["subject_code"] + "%",
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self.kwargs["subject_code"] + "%"])
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self.pagination = Pagination(
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@ -22,212 +22,509 @@
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import re
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from datetime import date, timedelta
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from django.core.serializers.json import DjangoJSONEncoder
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from django.template import defaultfilters
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from django.utils import dateformat
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from django.utils.timezone import localdate
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from django.utils.translation import gettext, pgettext
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from django.utils.translation import gettext
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class PeriodParser:
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"""The period parser.
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class Period:
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"""The template helper for the period chooser.
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Args:
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spec (str): The period specification.
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language (str): The current language.
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data_start (date): The available first day of the data.
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data_end (date): The available last day of the data.
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spec (str): The current period specification
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Attributes:
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spec (str): The currently-using period specification.
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start (date): The start of the period.
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end (date): The end of the period.
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description (str): The text description of the period.
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error (str): The period specification format error, or
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None on success.
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spec (date): The currently-working period specification.
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start (date): The start day of the currently-specified period.
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end (date): The end day of the currently-specified period.
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description (str): The description of the currently-specified
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period.
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this_month (str): The specification of this month.
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last_month (str): The specification of last month.
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since_last_month (str): The specification since last month.
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has_months_to_choose (bool): Whether there are months to
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choose besides this month and
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last month.
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chosen_month (bool): The specification of the chosen month,
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or None if the current period is not a
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month or is out of available data range.
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this_year (str): The specification of this year.
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last_year (str): The specification of last year.
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has_years_to_choose (bool): Whether there are years to
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choose besides this year and
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last year.
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years_to_choose (list[str]): This specification of the
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available years to choose,
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besides this year and last year.
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today (str): The specification of today.
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yesterday (str): The specification of yesterday.
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chosen_start (str): The specification of the first day of the
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specified period, as the default date for
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the single-day chooser.
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has_days_to_choose (bool): Whether there is a day range to
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choose.
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data_start (str): The specification of the available first day.
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data_end (str): The specification of the available last day.
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chosen_start (str): The specification of the first day of the
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specified period
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chosen_end (str): The specification of the last day of the
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specified period
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month_picker_params (str): The month-picker parameters, as a
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JSON text string
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"""
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spec = None
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start = None
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end = None
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description = None
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error = None
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_language = None
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_data_start = None
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_data_end = None
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_period = None
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def __init__(self, spec):
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self.spec = spec
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# A specific month
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m = re.match("^([0-9]{4})-([0-9]{2})$", spec)
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if m is not None:
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year = int(m.group(1))
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month = int(m.group(2))
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try:
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self.start = date(year, month, 1)
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except ValueError:
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self.invalid_period()
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return
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self.end = self.get_month_last_day(self.start)
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self.description = self.get_month_text(year, month)
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return
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# From a specific month
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m = re.match("^([0-9]{4})-([0-9]{2})-$", spec)
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if m is not None:
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year = int(m.group(1))
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month = int(m.group(2))
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try:
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self.start = date(year, month, 1)
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except ValueError:
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self.invalid_period()
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return
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self.end = self.get_month_last_day(localdate())
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self.description = gettext(
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"Since %s") % self.get_month_text(year, month)
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return
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# A specific year
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m = re.match("^([0-9]{4})$", spec)
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if m is not None:
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year = int(m.group(1))
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try:
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self.start = date(year, 1, 1)
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except ValueError:
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self.invalid_period()
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return
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self.end = date(year, 12, 31)
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today = localdate()
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if year == today.year:
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self.description = gettext("This Year")
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elif year == today.year - 1:
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self.description = gettext("Last Year")
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else:
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self.description = str(year)
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return
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# All time
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if spec == "-":
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self.start = date(2000, 1, 1)
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self.end = self.get_month_last_day(localdate())
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self.description = gettext("All")
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return
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# A specific date
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m = re.match("^([0-9]{4})-([0-9]{2})-([0-9]{2})$",
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spec)
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if m is not None:
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try:
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self.start = date(
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int(m.group(1)), int(m.group(2)), int(m.group(3)))
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except ValueError:
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self.invalid_period()
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return
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self.end = self.start
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self.description = self.get_date_text(self.start)
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return
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# A specific date period
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m = re.match(("^([0-9]{4})-([0-9]{2})-([0-9]{2})"
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"-([0-9]{4})-([0-9]{2})-([0-9]{2})$"),
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spec)
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if m is not None:
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try:
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self.start = date(
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int(m.group(1)), int(m.group(2)), int(m.group(3)))
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self.end = date(
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int(m.group(4)), int(m.group(5)), int(m.group(6)))
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except ValueError:
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self.invalid_period()
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return
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today = localdate()
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# Spans several years
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if self.start.year != self.end.year:
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self.description = "%s-%s" % (
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defaultfilters.date(self.start, "Y/n/j"),
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defaultfilters.date(self.end, "Y/n/j"))
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# Spans several months
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elif self.start.month != self.end.month:
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if self.start.year != today.year:
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self.description = "%s-%s" % (
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defaultfilters.date(self.start, "Y/n/j"),
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defaultfilters.date(self.end, "n/j"))
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else:
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self.description = "%s-%s" % (
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defaultfilters.date(self.start, "n/j"),
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defaultfilters.date(self.end, "n/j"))
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# Spans several days
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elif self.start.day != self.end.day:
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if self.start.year != today.year:
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self.description = "%s-%s" % (
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defaultfilters.date(self.start, "Y/n/j"),
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defaultfilters.date(self.end, "j"))
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else:
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self.description = "%s-%s" % (
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defaultfilters.date(self.start, "n/j"),
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defaultfilters.date(self.end, "j"))
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# At the same day
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else:
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self.spec = dateformat.format(self.start, "Y-m-d")
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self.description = self.get_date_text(self.start)
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return
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# Wrong period format
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self.invalid_period()
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def __init__(self, language, data_start, data_end, spec):
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self._language = language
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self._data_start = data_start
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self._data_end = data_end
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self._period = self.Parser(spec)
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def invalid_period(self):
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"""Sets the period when the period specification is invalid.
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"""
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self.error = gettext("Invalid period.")
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today = localdate()
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self.spec = dateformat.format(localdate(), "Y-m")
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self.start = date(today.year, today.month, 1)
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self.end = self.get_month_last_day(self.start)
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self.description = gettext("This Month")
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@property
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def spec(self):
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return self._period.spec
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@property
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def start(self):
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return self._period.start
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@property
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def end(self):
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return self._period.end
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@property
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def description(self):
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return self._period.description
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@staticmethod
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def get_month_last_day(day):
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"""Calculates and returns the last day of a month.
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Args:
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day (date): A day in the month.
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def _get_last_month_start():
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"""Returns the first day of the last month.
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Returns:
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date: The last day in the month
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"""
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next_month = day.month + 1
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next_year = day.year
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if next_month > 12:
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next_month = 1
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next_year = next_year + 1
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return date(next_year, next_month, 1) - timedelta(days=1)
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@staticmethod
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def get_month_text(year, month):
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"""Returns the text description of a month.
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Args:
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year (int): The year.
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month (int): The month.
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Returns:
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str: The description of the month.
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date: The first day of the last month.
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"""
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today = localdate()
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if year == today.year and month == today.month:
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return gettext("This Month")
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prev_month = today.month - 1
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prev_year = today.year
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if prev_month < 1:
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prev_month = 12
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prev_year = prev_year - 1
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prev = date(prev_year, prev_month, 1)
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if year == prev.year and month == prev.month:
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return gettext("Last Month")
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return "%d/%d" % (year, month)
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month = today.month - 1
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year = today.year
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if month < 1:
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month = 12
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year = year - 1
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return date(year, month, 1)
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@staticmethod
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def get_date_text(day):
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"""Returns the text description of a day.
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Args:
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day (date): The date.
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def _get_next_month_start():
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"""Returns the first day of the next month.
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Returns:
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str: The description of the day.
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date: The first day of the next month.
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"""
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today = localdate()
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if day == today:
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return gettext("Today")
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elif day == today - timedelta(days=1):
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return gettext("Yesterday")
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elif day.year != today.year:
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return defaultfilters.date(day, "Y/n/j")
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month = today.month + 1
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year = today.year
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if month > 12:
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month = 1
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year = year + 1
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return date(year, month, 1)
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@property
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def this_month(self):
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if self._data_start is None:
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return None
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today = localdate()
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first_month_start = date(
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self._data_start.year, self._data_start.month, 1)
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if today < first_month_start:
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return None
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return dateformat.format(today, "Y-m")
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@property
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def last_month(self):
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if self._data_start is None:
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return None
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last_month_start = self._get_last_month_start()
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first_month_start = date(
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self._data_start.year, self._data_start.month, 1)
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if last_month_start < first_month_start:
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return None
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return dateformat.format(last_month_start, "Y-m")
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@property
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def since_last_month(self):
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last_month = self.last_month
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if last_month is None:
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return None
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return self.last_month + "-"
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@property
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def has_months_to_choose(self):
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if self._data_start is None:
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return None
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if self._data_start < self._get_last_month_start():
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return True
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if self._data_end >= self._get_next_month_start():
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return True
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return False
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@property
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def chosen_month(self):
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if self._data_start is None:
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return None
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m = re.match("^[0-9]{4}-[0-2]{2}", self._period.spec)
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if m is None:
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return None
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if self._period.end < self._data_start:
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return None
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if self._period.start > self._data_end:
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return None
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return self._period.spec
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@property
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def this_year(self):
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if self._data_start is None:
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return None
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this_year = localdate().year
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if this_year < self._data_start.year:
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return None
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return str(this_year)
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@property
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def last_year(self):
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if self._data_start is None:
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return None
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last_year = localdate().year - 1
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if last_year < self._data_start.year:
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return None
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return str(last_year)
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@property
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def has_years_to_choose(self):
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if self._data_start is None:
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return None
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this_year = localdate().year
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if self._data_start.year < this_year - 1:
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return True
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if self._data_end.year > this_year:
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return True
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return False
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@property
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def years_to_choose(self):
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if self._data_start is None:
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return None
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this_year = localdate().year
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before = [str(x) for x in range(
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self._data_start.year, this_year - 1)]
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after = [str(x) for x in range(
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self._data_end.year, this_year, -1)]
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return after + before[::-1]
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def is_chosen_year(self, year):
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"""Returne whether the specified year is the currently-chosen
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year.
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Args:
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year (str): the year.
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Returns:
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bool: True if the year is the currently-chosen year, or
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False otherwise
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"""
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if self._period.spec == str(year):
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return True
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@property
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def today(self):
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if self._data_start is None:
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return None
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today = localdate()
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if today < self._data_start or today > self._data_end:
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return None
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return dateformat.format(today, "Y-m-d")
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@property
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def yesterday(self):
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if self._data_start is None:
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return None
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||||
yesterday = localdate() - timedelta(days=1)
|
||||
if yesterday < self._data_start or yesterday > self._data_end:
|
||||
return None
|
||||
return dateformat.format(yesterday, "Y-m-d")
|
||||
|
||||
@property
|
||||
def chosen_day(self):
|
||||
return dateformat.format(self._period.start, "Y-m-d")
|
||||
|
||||
@property
|
||||
def has_days_to_choose(self):
|
||||
if self._data_start is None:
|
||||
return False
|
||||
if self._data_start == self._data_end:
|
||||
return False
|
||||
return True
|
||||
|
||||
@property
|
||||
def first_day(self):
|
||||
if self._data_start is None:
|
||||
return None
|
||||
return dateformat.format(self._data_start, "Y-m-d")
|
||||
|
||||
@property
|
||||
def last_day(self):
|
||||
if self._data_end is None:
|
||||
return None
|
||||
return dateformat.format(self._data_end, "Y-m-d")
|
||||
|
||||
@property
|
||||
def chosen_start(self):
|
||||
if self._data_start is None:
|
||||
return None
|
||||
day = self._period.start \
|
||||
if self._period.start >= self._data_start \
|
||||
else self._data_start
|
||||
return dateformat.format(day, "Y-m-d")
|
||||
|
||||
@property
|
||||
def chosen_end(self):
|
||||
if self._data_end is None:
|
||||
return None
|
||||
day = self._period.end \
|
||||
if self._period.end <= self._data_end \
|
||||
else self._data_end
|
||||
return dateformat.format(day, "Y-m-d")
|
||||
|
||||
@property
|
||||
def month_picker_params(self):
|
||||
if self._data_start is None:
|
||||
return None
|
||||
if self._language == "zh-Hant":
|
||||
locale = "zh_TW"
|
||||
elif self._language == "zh-Hans":
|
||||
locale = "zh_CN"
|
||||
else:
|
||||
return defaultfilters.date(day, "n/j")
|
||||
locale = self._language.replace("-", "_")
|
||||
start = date(self._data_start.year, self._data_start.month, 1)
|
||||
return DjangoJSONEncoder().encode({
|
||||
"locale": locale,
|
||||
"minDate": start,
|
||||
"maxDate": self._data_end,
|
||||
"defaultDate": self.chosen_month,
|
||||
})
|
||||
|
||||
class Parser:
|
||||
"""The period parser.
|
||||
|
||||
Args:
|
||||
spec (str): The period specification.
|
||||
|
||||
Attributes:
|
||||
spec (str): The currently-using period specification.
|
||||
start (date): The start of the period.
|
||||
end (date): The end of the period.
|
||||
description (str): The text description of the period.
|
||||
error (str): The period specification format error, or
|
||||
None on success.
|
||||
"""
|
||||
spec = None
|
||||
start = None
|
||||
end = None
|
||||
description = None
|
||||
error = None
|
||||
|
||||
def __init__(self, spec):
|
||||
self.spec = spec
|
||||
# A specific month
|
||||
m = re.match("^([0-9]{4})-([0-9]{2})$", spec)
|
||||
if m is not None:
|
||||
year = int(m.group(1))
|
||||
month = int(m.group(2))
|
||||
try:
|
||||
self.start = date(year, month, 1)
|
||||
except ValueError:
|
||||
self.invalid_period()
|
||||
return
|
||||
self.end = self.get_month_last_day(self.start)
|
||||
self.description = self.get_month_text(year, month)
|
||||
return
|
||||
# From a specific month
|
||||
m = re.match("^([0-9]{4})-([0-9]{2})-$", spec)
|
||||
if m is not None:
|
||||
year = int(m.group(1))
|
||||
month = int(m.group(2))
|
||||
try:
|
||||
self.start = date(year, month, 1)
|
||||
except ValueError:
|
||||
self.invalid_period()
|
||||
return
|
||||
self.end = self.get_month_last_day(localdate())
|
||||
self.description = gettext(
|
||||
"Since %s") % self.get_month_text(year, month)
|
||||
return
|
||||
# A specific year
|
||||
m = re.match("^([0-9]{4})$", spec)
|
||||
if m is not None:
|
||||
year = int(m.group(1))
|
||||
try:
|
||||
self.start = date(year, 1, 1)
|
||||
except ValueError:
|
||||
self.invalid_period()
|
||||
return
|
||||
self.end = date(year, 12, 31)
|
||||
today = localdate()
|
||||
if year == today.year:
|
||||
self.description = gettext("This Year")
|
||||
elif year == today.year - 1:
|
||||
self.description = gettext("Last Year")
|
||||
else:
|
||||
self.description = str(year)
|
||||
return
|
||||
# All time
|
||||
if spec == "-":
|
||||
self.start = date(2000, 1, 1)
|
||||
self.end = self.get_month_last_day(localdate())
|
||||
self.description = gettext("All")
|
||||
return
|
||||
# A specific date
|
||||
m = re.match("^([0-9]{4})-([0-9]{2})-([0-9]{2})$",
|
||||
spec)
|
||||
if m is not None:
|
||||
try:
|
||||
self.start = date(
|
||||
int(m.group(1)),
|
||||
int(m.group(2)),
|
||||
int(m.group(3)))
|
||||
except ValueError:
|
||||
self.invalid_period()
|
||||
return
|
||||
self.end = self.start
|
||||
self.description = self.get_date_text(self.start)
|
||||
return
|
||||
# A specific date period
|
||||
m = re.match(("^([0-9]{4})-([0-9]{2})-([0-9]{2})"
|
||||
"-([0-9]{4})-([0-9]{2})-([0-9]{2})$"),
|
||||
spec)
|
||||
if m is not None:
|
||||
try:
|
||||
self.start = date(
|
||||
int(m.group(1)),
|
||||
int(m.group(2)),
|
||||
int(m.group(3)))
|
||||
self.end = date(
|
||||
int(m.group(4)),
|
||||
int(m.group(5)),
|
||||
int(m.group(6)))
|
||||
except ValueError:
|
||||
self.invalid_period()
|
||||
return
|
||||
today = localdate()
|
||||
# Spans several years
|
||||
if self.start.year != self.end.year:
|
||||
self.description = "%s-%s" % (
|
||||
defaultfilters.date(self.start, "Y/n/j"),
|
||||
defaultfilters.date(self.end, "Y/n/j"))
|
||||
# Spans several months
|
||||
elif self.start.month != self.end.month:
|
||||
if self.start.year != today.year:
|
||||
self.description = "%s-%s" % (
|
||||
defaultfilters.date(self.start, "Y/n/j"),
|
||||
defaultfilters.date(self.end, "n/j"))
|
||||
else:
|
||||
self.description = "%s-%s" % (
|
||||
defaultfilters.date(self.start, "n/j"),
|
||||
defaultfilters.date(self.end, "n/j"))
|
||||
# Spans several days
|
||||
elif self.start.day != self.end.day:
|
||||
if self.start.year != today.year:
|
||||
self.description = "%s-%s" % (
|
||||
defaultfilters.date(self.start, "Y/n/j"),
|
||||
defaultfilters.date(self.end, "j"))
|
||||
else:
|
||||
self.description = "%s-%s" % (
|
||||
defaultfilters.date(self.start, "n/j"),
|
||||
defaultfilters.date(self.end, "j"))
|
||||
# At the same day
|
||||
else:
|
||||
self.spec = dateformat.format(self.start, "Y-m-d")
|
||||
self.description = self.get_date_text(self.start)
|
||||
return
|
||||
# Wrong period format
|
||||
self.invalid_period()
|
||||
|
||||
def invalid_period(self):
|
||||
"""Sets the period when the period specification is
|
||||
invalid.
|
||||
"""
|
||||
self.error = gettext("Invalid period.")
|
||||
today = localdate()
|
||||
self.spec = dateformat.format(localdate(), "Y-m")
|
||||
self.start = date(today.year, today.month, 1)
|
||||
self.end = self.get_month_last_day(self.start)
|
||||
self.description = gettext("This Month")
|
||||
|
||||
@staticmethod
|
||||
def get_month_last_day(day):
|
||||
"""Calculates and returns the last day of a month.
|
||||
|
||||
Args:
|
||||
day (date): A day in the month.
|
||||
|
||||
Returns:
|
||||
date: The last day in the month
|
||||
"""
|
||||
next_month = day.month + 1
|
||||
next_year = day.year
|
||||
if next_month > 12:
|
||||
next_month = 1
|
||||
next_year = next_year + 1
|
||||
return date(next_year, next_month, 1) - timedelta(days=1)
|
||||
|
||||
@staticmethod
|
||||
def get_month_text(year, month):
|
||||
"""Returns the text description of a month.
|
||||
|
||||
Args:
|
||||
year (int): The year.
|
||||
month (int): The month.
|
||||
|
||||
Returns:
|
||||
str: The description of the month.
|
||||
"""
|
||||
today = localdate()
|
||||
if year == today.year and month == today.month:
|
||||
return gettext("This Month")
|
||||
prev_month = today.month - 1
|
||||
prev_year = today.year
|
||||
if prev_month < 1:
|
||||
prev_month = 12
|
||||
prev_year = prev_year - 1
|
||||
prev = date(prev_year, prev_month, 1)
|
||||
if year == prev.year and month == prev.month:
|
||||
return gettext("Last Month")
|
||||
return "%d/%d" % (year, month)
|
||||
|
||||
@staticmethod
|
||||
def get_date_text(day):
|
||||
"""Returns the text description of a day.
|
||||
|
||||
Args:
|
||||
day (date): The date.
|
||||
|
||||
Returns:
|
||||
str: The description of the day.
|
||||
"""
|
||||
today = localdate()
|
||||
if day == today:
|
||||
return gettext("Today")
|
||||
elif day == today - timedelta(days=1):
|
||||
return gettext("Yesterday")
|
||||
elif day.year != today.year:
|
||||
return defaultfilters.date(day, "Y/n/j")
|
||||
else:
|
||||
return defaultfilters.date(day, "n/j")
|
||||
|
||||
Loading…
Reference in New Issue
Block a user