407 lines
12 KiB
Python
407 lines
12 KiB
Python
# -*- mode: python -*-
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# -*- coding: utf-8 -*-
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##############################################################################
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#
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# Gestion scolarite IUT
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#
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# Copyright (c) 1999 - 2024 Emmanuel Viennet. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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# Emmanuel Viennet emmanuel.viennet@viennet.net
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#
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##############################################################################
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"""Génération calendrier (ancienne présentation)
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"""
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import calendar
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import html
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import time
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from app.scodoc.sco_exceptions import ScoValueError, ScoInvalidDateError
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from app.scodoc import sco_preferences
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import app.scodoc.sco_utils as scu
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def is_work_saturday():
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"Vrai si le samedi est travaillé"
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return int(sco_preferences.get_preference("work_saturday"))
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def MonthNbDays(month, year):
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"returns nb of days in month"
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if month > 7:
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month = month + 1
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if month % 2:
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return 31
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elif month == 2:
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if calendar.isleap(year):
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return 29
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else:
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return 28
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else:
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return 30
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class ddmmyyyy(object):
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"""immutable dates"""
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def __init__(self, date=None, fmt="ddmmyyyy", work_saturday=False):
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self.work_saturday = work_saturday
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if date is None:
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return
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try:
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if fmt == "ddmmyyyy":
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self.day, self.month, self.year = date.split("/")
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elif fmt == "iso":
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self.year, self.month, self.day = date.split("-")
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else:
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raise ValueError("invalid format spec. (%s)" % fmt)
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self.year = int(self.year)
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self.month = int(self.month)
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self.day = int(self.day)
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except ValueError:
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raise ScoValueError("date invalide: %s" % date)
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# accept years YYYY or YY, uses 1970 as pivot
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if self.year < 1970:
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if self.year > 100:
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raise ScoInvalidDateError("Année invalide: %s" % self.year)
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if self.year < 70:
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self.year = self.year + 2000
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else:
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self.year = self.year + 1900
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if self.month < 1 or self.month > 12:
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raise ScoInvalidDateError("Mois invalide: %s" % self.month)
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if self.day < 1 or self.day > MonthNbDays(self.month, self.year):
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raise ScoInvalidDateError("Jour invalide: %s" % self.day)
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# weekday in 0-6, where 0 is monday
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self.weekday = calendar.weekday(self.year, self.month, self.day)
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self.time = time.mktime((self.year, self.month, self.day, 0, 0, 0, 0, 0, 0))
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def iswork(self):
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"returns true if workable day"
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if self.work_saturday:
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nbdays = 6
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else:
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nbdays = 5
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if (
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self.weekday >= 0 and self.weekday < nbdays
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): # monday-friday or monday-saturday
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return 1
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else:
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return 0
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def __repr__(self):
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return "'%02d/%02d/%04d'" % (self.day, self.month, self.year)
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def __str__(self):
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return "%02d/%02d/%04d" % (self.day, self.month, self.year)
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def ISO(self):
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"iso8601 representation of the date"
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return "%04d-%02d-%02d" % (self.year, self.month, self.day)
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def next_day(self, days=1):
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"date for the next day (nota: may be a non workable day)"
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day = self.day + days
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month = self.month
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year = self.year
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while day > MonthNbDays(month, year):
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day = day - MonthNbDays(month, year)
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month = month + 1
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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 self.__class__(
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"%02d/%02d/%04d" % (day, month, year), work_saturday=self.work_saturday
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)
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def prev(self, days=1):
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"date for previous day"
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day = self.day - days
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month = self.month
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year = self.year
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while day <= 0:
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month = month - 1
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if month == 0:
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month = 12
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year = year - 1
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day = day + MonthNbDays(month, year)
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return self.__class__(
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"%02d/%02d/%04d" % (day, month, year), work_saturday=self.work_saturday
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)
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def next_monday(self):
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"date of next monday"
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return self.next_day((7 - self.weekday) % 7)
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def prev_monday(self):
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"date of last monday, but on sunday, pick next monday"
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if self.weekday == 6:
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return self.next_monday()
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else:
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return self.prev(self.weekday)
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def __cmp__(self, other): # #py3 TODO à supprimer
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"""return a negative integer if self < other,
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zero if self == other, a positive integer if self > other"""
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return int(self.time - other.time)
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def __eq__(self, other):
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return self.time == other.time
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def __ne__(self, other):
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return self.time != other.time
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def __lt__(self, other):
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return self.time < other.time
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def __le__(self, other):
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return self.time <= other.time
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def __gt__(self, other):
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return self.time > other.time
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def __ge__(self, other):
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return self.time >= other.time
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def __hash__(self):
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"we are immutable !"
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return hash(self.time) ^ hash(str(self))
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# d = ddmmyyyy( '21/12/99' )
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def DateRangeISO(date_beg, date_end, workable=1):
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"""returns list of dates in [date_beg,date_end]
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workable = 1 => keeps only workable days"""
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if not date_beg:
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raise ScoValueError("pas de date spécifiée !")
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if not date_end:
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date_end = date_beg
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r = []
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work_saturday = is_work_saturday()
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try:
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cur = ddmmyyyy(date_beg, work_saturday=work_saturday)
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end = ddmmyyyy(date_end, work_saturday=work_saturday)
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except (AttributeError, ValueError) as e:
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raise ScoValueError("date invalide !") from e
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while cur <= end:
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if (not workable) or cur.iswork():
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r.append(cur)
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cur = cur.next_day()
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return [x.ISO() for x in r]
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def day_names():
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"""Returns week day names.
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If work_saturday property is set, include saturday
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"""
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if is_work_saturday():
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return scu.DAY_NAMES[:-1]
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else:
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return scu.DAY_NAMES[:-2]
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def next_iso_day(date):
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"return date after date"
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d = ddmmyyyy(date, fmt="iso", work_saturday=is_work_saturday())
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return d.next_day().ISO()
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def YearTable(
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year,
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events_by_day: dict[str, list[dict]],
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firstmonth=9,
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lastmonth=7,
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dayattributes="",
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):
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# Code simplifié en 2024: utilisé seulement pour calendrier évaluations
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"""Generate a calendar table
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events = list of tuples (date, text, color, href [,halfday])
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where date is a string in ISO format (yyyy-mm-dd)
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halfday is boolean (true: morning, false: afternoon)
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text = text to put in calendar (must be short, 1-5 cars) (optional)
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"""
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T = [
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"""<table id="maincalendar" class="maincalendar"
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border="3" cellpadding="1" cellspacing="1" frame="box">"""
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]
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T.append("<tr>")
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month = firstmonth
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while True:
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T.append('<td valign="top">')
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T.append(_month_table_head(month))
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T.append(
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_month_table_body(
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month,
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year,
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events_by_day,
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dayattributes,
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is_work_saturday(),
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)
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)
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T.append(
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"""
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</table>
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</td>"""
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)
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if month == lastmonth:
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break
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month = month + 1
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if month > 12:
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month = 1
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year = year + 1
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T.append("</table>")
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return "\n".join(T)
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# ------ HTML Calendar functions (see YearTable function)
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# MONTH/DAY NAMES:
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MONTHNAMES = (
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"Janvier",
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"Février",
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"Mars",
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"Avril",
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"Mai",
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"Juin",
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"Juillet",
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"Aout",
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"Septembre",
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"Octobre",
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"Novembre",
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"Décembre",
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)
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MONTHNAMES_ABREV = (
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"Jan.",
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"Fév.",
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"Mars",
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"Avr.",
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"Mai ",
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"Juin",
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"Juil",
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"Aout",
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"Sept",
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"Oct.",
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"Nov.",
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"Déc.",
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)
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DAYNAMES = ("Lundi", "Mardi", "Mercredi", "Jeudi", "Vendredi", "Samedi", "Dimanche")
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DAYNAMES_ABREV = ("L", "M", "M", "J", "V", "S", "D")
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# COLORS:
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WHITE = "#FFFFFF"
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GRAY1 = "#EEEEEE"
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GREEN3 = "#99CC99"
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WEEKDAYCOLOR = GRAY1
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WEEKENDCOLOR = GREEN3
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def _month_table_head(month):
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color = WHITE
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return f"""<table class="monthcalendar" border="0" cellpadding="0" cellspacing="0" frame="box">
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<tr bgcolor="{color}">
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<td class="calcol" colspan="2" align="center">{MONTHNAMES_ABREV[month - 1]}</td>
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</tr>\n"""
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def _month_table_body(
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month,
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year,
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events_by_day: dict[str, list[dict]],
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trattributes="",
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work_saturday=False,
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) -> str:
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"""
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events : [event]
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event = [ yyyy-mm-dd, legend, href, color, descr ] XXX
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"""
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firstday, nbdays = calendar.monthrange(year, month)
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localtime = time.localtime()
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current_weeknum = time.strftime("%U", localtime)
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current_year = localtime[0]
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rows = []
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# cherche date du lundi de la 1ere semaine de ce mois
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monday = ddmmyyyy(f"1/{month}/{year}")
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while monday.weekday != 0:
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monday = monday.prev()
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if work_saturday:
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weekend = ("D",)
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else:
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weekend = ("S", "D")
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for d in range(1, nbdays + 1):
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weeknum = time.strftime(
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"%U", time.strptime("%d/%d/%d" % (d, month, year), scu.DATE_FMT)
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)
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day = DAYNAMES_ABREV[(firstday + d - 1) % 7]
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if day in weekend:
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bgcolor = WEEKENDCOLOR
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weekclass = "wkend"
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attrs = ""
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else:
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bgcolor = WEEKDAYCOLOR
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weekclass = "wk" + str(monday).replace("/", "_")
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attrs = trattributes
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# events this day ?
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events = events_by_day.get(f"{year}-{month:02}-{d:02}", [])
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color = None
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ev_txts = []
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for ev in events:
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color = ev.get("color")
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href = ev.get("href", "")
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description = ev.get("description", "")
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if href:
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href = f'href="{href}"'
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if description:
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description = f"""title="{html.escape(description, quote=True)}" """
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if href or description:
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ev_txts.append(f"""<a {href} {description}>{ev.get("title", "")}</a>""")
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else:
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ev_txts.append(ev.get("title", " "))
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#
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cc = []
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if color is not None:
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cc.append(f'<td bgcolor="{color}" class="calcell">')
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else:
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cc.append('<td class="calcell">')
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cc.append(f"{', '.join(ev_txts)}</td>")
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cells = "".join(cc)
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if day == "D":
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monday = monday.next_day(7)
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if weeknum == current_weeknum and current_year == year and weekclass != "wkend":
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weekclass += " currentweek"
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rows.append(
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f"""<tr bgcolor="{bgcolor}" class="{weekclass}" {attrs}>
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<td class="calday">{d}{day}</td>{cells}</tr>"""
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)
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return "\n".join(rows)
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