ScoDoc-PE/sco_abs.py

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2021-01-10 18:54:39 +01:00
# -*- mode: python -*-
# -*- coding: utf-8 -*-
##############################################################################
#
# Gestion scolarite IUT
#
# Copyright (c) 1999 - 2021 Emmanuel Viennet. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Emmanuel Viennet emmanuel.viennet@viennet.net
#
##############################################################################
"""Fonctions sur les absences
"""
# Anciennement dans ZAbscences.py, séparé pour migration
import string
import datetime
import re
import time
import calendar
import cgi
import notesdb
from sco_exceptions import ScoValueError, ScoInvalidDateError
import sco_formsemestre
import sco_compute_moy
def is_work_saturday(context):
"Vrai si le samedi est travaillé"
return int(context.get_preference("work_saturday"))
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def MonthNbDays(month, year):
"returns nb of days in month"
if month > 7:
month = month + 1
if month % 2:
return 31
elif month == 2:
if calendar.isleap(year):
return 29
else:
return 28
else:
return 30
class ddmmyyyy:
"""immutable dates"""
def __init__(self, date=None, fmt="ddmmyyyy", work_saturday=False):
self.work_saturday = work_saturday
if date is None:
return
try:
if fmt == "ddmmyyyy":
self.day, self.month, self.year = string.split(date, "/")
elif fmt == "iso":
self.year, self.month, self.day = string.split(date, "-")
else:
raise ValueError("invalid format spec. (%s)" % fmt)
self.year = string.atoi(self.year)
self.month = string.atoi(self.month)
self.day = string.atoi(self.day)
except:
raise ScoValueError("date invalide: %s" % date)
# accept years YYYY or YY, uses 1970 as pivot
if self.year < 1970:
if self.year > 100:
raise ScoInvalidDateError("Année invalide: %s" % self.year)
if self.year < 70:
self.year = self.year + 2000
else:
self.year = self.year + 1900
if self.month < 1 or self.month > 12:
raise ScoInvalidDateError("Mois invalide: %s" % self.month)
if self.day < 1 or self.day > MonthNbDays(self.month, self.year):
raise ScoInvalidDateError("Jour invalide: %s" % self.day)
# weekday in 0-6, where 0 is monday
self.weekday = calendar.weekday(self.year, self.month, self.day)
self.time = time.mktime((self.year, self.month, self.day, 0, 0, 0, 0, 0, 0))
def iswork(self):
"returns true if workable day"
if self.work_saturday:
nbdays = 6
else:
nbdays = 5
if (
self.weekday >= 0 and self.weekday < nbdays
): # monday-friday or monday-saturday
return 1
else:
return 0
def __repr__(self):
return "'%02d/%02d/%04d'" % (self.day, self.month, self.year)
def __str__(self):
return "%02d/%02d/%04d" % (self.day, self.month, self.year)
def ISO(self):
"iso8601 representation of the date"
return "%04d-%02d-%02d" % (self.year, self.month, self.day)
def next(self, days=1):
"date for the next day (nota: may be a non workable day)"
day = self.day + days
month = self.month
year = self.year
while day > MonthNbDays(month, year):
day = day - MonthNbDays(month, year)
month = month + 1
if month > 12:
month = 1
year = year + 1
return self.__class__(
"%02d/%02d/%04d" % (day, month, year), work_saturday=self.work_saturday
)
def prev(self, days=1):
"date for previous day"
day = self.day - days
month = self.month
year = self.year
while day <= 0:
month = month - 1
if month == 0:
month = 12
year = year - 1
day = day + MonthNbDays(month, year)
return self.__class__(
"%02d/%02d/%04d" % (day, month, year), work_saturday=self.work_saturday
)
def next_monday(self):
"date of next monday"
return self.next((7 - self.weekday) % 7)
def prev_monday(self):
"date of last monday, but on sunday, pick next monday"
if self.weekday == 6:
return self.next_monday()
else:
return self.prev(self.weekday)
def __cmp__(self, other):
"""return a negative integer if self < other,
zero if self == other, a positive integer if self > other"""
return int(self.time - other.time)
def __hash__(self):
"we are immutable !"
return hash(self.time) ^ hash(str(self))
# d = ddmmyyyy( '21/12/99' )
def DateRangeISO(context, date_beg, date_end, workable=1):
"""returns list of dates in [date_beg,date_end]
workable = 1 => keeps only workable days"""
if not date_beg:
raise ScoValueError("pas de date spécifiée !")
if not date_end:
date_end = date_beg
r = []
work_saturday = is_work_saturday(context)
cur = ddmmyyyy(date_beg, work_saturday=work_saturday)
end = ddmmyyyy(date_end, work_saturday=work_saturday)
while cur <= end:
if (not workable) or cur.iswork():
r.append(cur)
cur = cur.next()
return map(lambda x: x.ISO(), r)
def day_names(context):
"""Returns week day names.
If work_saturday property is set, include saturday
"""
if is_work_saturday(context):
return ["Lundi", "Mardi", "Mercredi", "Jeudi", "Vendredi", "Samedi"]
else:
return ["Lundi", "Mardi", "Mercredi", "Jeudi", "Vendredi"]
def next_iso_day(context, date):
"return date after date"
d = ddmmyyyy(date, fmt="iso", work_saturday=is_work_saturday(context))
return d.next().ISO()
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def YearTable(
context,
year,
events=[],
firstmonth=9,
lastmonth=7,
halfday=0,
dayattributes="",
pad_width=8,
):
"""Generate a calendar table
events = list of tuples (date, text, color, href [,halfday])
where date is a string in ISO format (yyyy-mm-dd)
halfday is boolean (true: morning, false: afternoon)
text = text to put in calendar (must be short, 1-5 cars) (optional)
if halfday, generate 2 cells per day (morning, afternoon)
"""
T = [
'<table id="maincalendar" class="maincalendar" border="3" cellpadding="1" cellspacing="1" frame="box">'
]
T.append("<tr>")
month = firstmonth
while 1:
T.append('<td valign="top">')
T.append(MonthTableHead(month))
T.append(
MonthTableBody(
month,
year,
events,
halfday,
dayattributes,
is_work_saturday(context),
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pad_width=pad_width,
)
)
T.append(MonthTableTail())
T.append("</td>")
if month == lastmonth:
break
month = month + 1
if month > 12:
month = 1
year = year + 1
T.append("</table>")
return string.join(T, "\n")
# ---- BILLETS
_billet_absenceEditor = notesdb.EditableTable(
"billet_absence",
"billet_id",
(
"billet_id",
"etudid",
"abs_begin",
"abs_end",
"description",
"etat",
"entry_date",
"justified",
),
sortkey="entry_date desc",
)
billet_absence_create = _billet_absenceEditor.create
billet_absence_delete = _billet_absenceEditor.delete
billet_absence_list = _billet_absenceEditor.list
billet_absence_edit = _billet_absenceEditor.edit
# ------ HTML Calendar functions (see YearTable function)
# MONTH/DAY NAMES:
MONTHNAMES = (
"Janvier",
"F&eacute;vrier",
"Mars",
"Avril",
"Mai",
"Juin",
"Juillet",
"Aout",
"Septembre",
"Octobre",
"Novembre",
"D&eacute;cembre",
)
MONTHNAMES_ABREV = (
"Jan.",
"F&eacute;v.",
"Mars",
"Avr.",
"Mai&nbsp;",
"Juin",
"Juil",
"Aout",
"Sept",
"Oct.",
"Nov.",
"D&eacute;c.",
)
DAYNAMES = ("Lundi", "Mardi", "Mercredi", "Jeudi", "Vendredi", "Samedi", "Dimanche")
DAYNAMES_ABREV = ("L", "M", "M", "J", "V", "S", "D")
# COLORS:
WHITE = "#FFFFFF"
GRAY1 = "#EEEEEE"
GREEN3 = "#99CC99"
WEEKDAYCOLOR = GRAY1
WEEKENDCOLOR = GREEN3
def MonthTableHead(month):
color = WHITE
return """<table class="monthcalendar" border="0" cellpadding="0" cellspacing="0" frame="box">
<tr bgcolor="%s"><td class="calcol" colspan="2" align="center">%s</td></tr>\n""" % (
color,
MONTHNAMES_ABREV[month - 1],
)
def MonthTableTail():
return "</table>\n"
def MonthTableBody(
month, year, events=[], halfday=0, trattributes="", work_saturday=False, pad_width=8
):
firstday, nbdays = calendar.monthrange(year, month)
localtime = time.localtime()
current_weeknum = time.strftime("%U", localtime)
current_year = localtime[0]
T = []
# cherche date du lundi de la 1ere semaine de ce mois
monday = ddmmyyyy("1/%d/%d" % (month, year))
while monday.weekday != 0:
monday = monday.prev()
if work_saturday:
weekend = ("D",)
else:
weekend = ("S", "D")
if not halfday:
for d in range(1, nbdays + 1):
weeknum = time.strftime(
"%U", time.strptime("%d/%d/%d" % (d, month, year), "%d/%m/%Y")
)
day = DAYNAMES_ABREV[(firstday + d - 1) % 7]
if day in weekend:
bgcolor = WEEKENDCOLOR
weekclass = "wkend"
attrs = ""
else:
bgcolor = WEEKDAYCOLOR
weekclass = "wk" + str(monday).replace("/", "_")
attrs = trattributes
color = None
legend = ""
href = ""
descr = ""
# event this day ?
# each event is a tuple (date, text, color, href)
# where date is a string in ISO format (yyyy-mm-dd)
for ev in events:
ev_year = int(ev[0][:4])
ev_month = int(ev[0][5:7])
ev_day = int(ev[0][8:10])
if year == ev_year and month == ev_month and ev_day == d:
if ev[1]:
legend = ev[1]
if ev[2]:
color = ev[2]
if ev[3]:
href = ev[3]
if len(ev) > 4 and ev[4]:
descr = ev[4]
#
cc = []
if color != None:
cc.append('<td bgcolor="%s" class="calcell">' % color)
else:
cc.append('<td class="calcell">')
if href:
href = 'href="%s"' % href
if descr:
descr = 'title="%s"' % cgi.escape(descr, quote=True)
if href or descr:
cc.append("<a %s %s>" % (href, descr))
if legend or d == 1:
if pad_width != None:
n = pad_width - len(legend) # pad to 8 cars
if n > 0:
legend = "&nbsp;" * (n / 2) + legend + "&nbsp;" * ((n + 1) / 2)
else:
legend = "&nbsp;" # empty cell
cc.append(legend)
if href or descr:
cc.append("</a>")
cc.append("</td>")
cell = string.join(cc, "")
if day == "D":
monday = monday.next(7)
if (
weeknum == current_weeknum
and current_year == year
and weekclass != "wkend"
):
weekclass += " currentweek"
T.append(
'<tr bgcolor="%s" class="%s" %s><td class="calday">%d%s</td>%s</tr>'
% (bgcolor, weekclass, attrs, d, day, cell)
)
else:
# Calendar with 2 cells / day
for d in range(1, nbdays + 1):
weeknum = time.strftime(
"%U", time.strptime("%d/%d/%d" % (d, month, year), "%d/%m/%Y")
)
day = DAYNAMES_ABREV[(firstday + d - 1) % 7]
if day in weekend:
bgcolor = WEEKENDCOLOR
weekclass = "wkend"
attrs = ""
else:
bgcolor = WEEKDAYCOLOR
weekclass = "wk" + str(monday).replace("/", "_")
attrs = trattributes
if (
weeknum == current_weeknum
and current_year == year
and weekclass != "wkend"
):
weeknum += " currentweek"
if day == "D":
monday = monday.next(7)
T.append(
'<tr bgcolor="%s" class="wk%s" %s><td class="calday">%d%s</td>'
% (bgcolor, weekclass, attrs, d, day)
)
cc = []
for morning in (1, 0):
color = None
legend = ""
href = ""
descr = ""
for ev in events:
ev_year = int(ev[0][:4])
ev_month = int(ev[0][5:7])
ev_day = int(ev[0][8:10])
if ev[4] != None:
ev_half = int(ev[4])
else:
ev_half = 0
if (
year == ev_year
and month == ev_month
and ev_day == d
and morning == ev_half
):
if ev[1]:
legend = ev[1]
if ev[2]:
color = ev[2]
if ev[3]:
href = ev[3]
if len(ev) > 5 and ev[5]:
descr = ev[5]
#
if color != None:
cc.append('<td bgcolor="%s" class="calcell">' % (color))
else:
cc.append('<td class="calcell">')
if href:
href = 'href="%s"' % href
if descr:
descr = 'title="%s"' % cgi.escape(descr, quote=True)
if href or descr:
cc.append("<a %s %s>" % (href, descr))
if legend or d == 1:
n = 3 - len(legend) # pad to 3 cars
if n > 0:
legend = "&nbsp;" * (n / 2) + legend + "&nbsp;" * ((n + 1) / 2)
else:
legend = "&nbsp;&nbsp;&nbsp;" # empty cell
cc.append(legend)
if href or descr:
cc.append("</a>")
cc.append("</td>\n")
T.append(string.join(cc, "") + "</tr>")
return string.join(T, "\n")
# --------------------------------------------------------------------
#
# Cache absences
#
# On cache simplement (à la demande) le nombre d'absences de chaque etudiant
# dans un semestre donné.
# Toute modification du semestre (invalidation) invalide le cache
# (simple mécanisme de "listener" sur le cache de semestres)
# Toute modification des absences d'un étudiant invalide les caches des semestres
# concernés à cette date (en général un seul semestre)
#
# On ne cache pas la liste des absences car elle est rarement utilisée (calendrier,
# absences à une date donnée).
#
# --------------------------------------------------------------------
class CAbsSemEtud:
"""Comptes d'absences d'un etudiant dans un semestre"""
def __init__(self, context, sem, etudid):
self.context = context
self.sem = sem
self.etudid = etudid
self._loaded = False
formsemestre_id = sem["formsemestre_id"]
context.Notes._getNotesCache().add_listener(
self.invalidate, formsemestre_id, (etudid, formsemestre_id)
)
def CountAbs(self):
if not self._loaded:
self.load()
return self._CountAbs
def CountAbsJust(self):
if not self._loaded:
self.load()
return self._CountAbsJust
def load(self):
"Load state from DB"
# log('loading CAbsEtudSem(%s,%s)' % (self.etudid, self.sem['formsemestre_id']))
# Reload sem, it may have changed
self.sem = sco_formsemestre.get_formsemestre(
self.context, self.sem["formsemestre_id"]
)
debut_sem = notesdb.DateDMYtoISO(self.sem["date_debut"])
fin_sem = notesdb.DateDMYtoISO(self.sem["date_fin"])
self._CountAbs = self.context.Absences.CountAbs(
etudid=self.etudid, debut=debut_sem, fin=fin_sem
)
self._CountAbsJust = self.context.Absences.CountAbsJust(
etudid=self.etudid, debut=debut_sem, fin=fin_sem
)
self._loaded = True
def invalidate(self, args=None):
"Notify me that DB has been modified"
# log('invalidate CAbsEtudSem(%s,%s)' % (self.etudid, self.sem['formsemestre_id']))
self._loaded = False
# Accès au cache des absences
ABS_CACHE_INST = {} # { DeptId : { formsemestre_id : { etudid : CAbsEtudSem } } }
def getAbsSemEtud(context, sem, etudid):
AbsSemEtuds = getAbsSemEtuds(context, sem)
if not etudid in AbsSemEtuds:
AbsSemEtuds[etudid] = CAbsSemEtud(context, sem, etudid)
return AbsSemEtuds[etudid]
def getAbsSemEtuds(context, sem):
u = context.GetDBConnexionString() # identifie le dept de facon fiable
if not u in ABS_CACHE_INST:
ABS_CACHE_INST[u] = {}
C = ABS_CACHE_INST[u]
if sem["formsemestre_id"] not in C:
C[sem["formsemestre_id"]] = {}
return C[sem["formsemestre_id"]]
def invalidateAbsEtudDate(context, etudid, date):
"""Doit etre appelé à chaque modification des absences pour cet étudiant et cette date.
Invalide cache absence et PDF bulletins si nécessaire.
date: date au format ISO
"""
# Semestres a cette date:
etud = context.getEtudInfo(etudid=etudid, filled=True)[0]
sems = [
sem
for sem in etud["sems"]
if sem["date_debut_iso"] <= date and sem["date_fin_iso"] >= date
]
# Invalide les PDF et les abscences:
for sem in sems:
# Inval cache bulletin et/ou note_table
if sco_compute_moy.formsemestre_expressions_use_abscounts(
context, sem["formsemestre_id"]
):
pdfonly = False # seules certaines formules utilisent les absences
else:
pdfonly = (
True # efface toujours le PDF car il affiche en général les absences
)
context.Notes._inval_cache(
pdfonly=pdfonly, formsemestre_id=sem["formsemestre_id"]
)
# Inval cache compteurs absences:
AbsSemEtuds = getAbsSemEtuds(context, sem)
if etudid in AbsSemEtuds:
AbsSemEtuds[etudid].invalidate()