forked from ScoDoc/ScoDoc
284 lines
10 KiB
Python
284 lines
10 KiB
Python
# -*- 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
|
|
#
|
|
##############################################################################
|
|
|
|
"""Système de notification par mail des excès d'absences
|
|
(see ticket #147)
|
|
|
|
|
|
Il suffit d'appeler abs_notify() après chaque ajout d'absence.
|
|
"""
|
|
import datetime
|
|
|
|
from flask import g, url_for
|
|
from flask_mail import Message
|
|
|
|
import app.scodoc.notesdb as ndb
|
|
import app.scodoc.sco_utils as scu
|
|
from app.scodoc.notes_log import log
|
|
from app.scodoc.scolog import logdb
|
|
from app.scodoc import sco_etud
|
|
from app.scodoc import sco_formsemestre
|
|
from app.scodoc import sco_preferences
|
|
from app.scodoc import sco_users
|
|
from app import email
|
|
|
|
|
|
def abs_notify(etudid, date):
|
|
"""Check if notifications are requested and send them
|
|
Considère le nombre d'absence dans le semestre courant
|
|
(s'il n'y a pas de semestre courant, ne fait rien,
|
|
car l'etudiant n'est pas inscrit au moment de l'absence!).
|
|
"""
|
|
from app.scodoc import sco_abs
|
|
|
|
sem = retreive_current_formsemestre(etudid, date)
|
|
if not sem:
|
|
return # non inscrit a la date, pas de notification
|
|
|
|
nbabs, nbabsjust = sco_abs.get_abs_count(etudid, sem)
|
|
do_abs_notify(sem, etudid, date, nbabs, nbabsjust)
|
|
|
|
|
|
def do_abs_notify(sem, etudid, date, nbabs, nbabsjust):
|
|
"""Given new counts of absences, check if notifications are requested and send them."""
|
|
# prefs fallback to global pref if sem is None:
|
|
if sem:
|
|
formsemestre_id = sem["formsemestre_id"]
|
|
else:
|
|
formsemestre_id = None
|
|
prefs = sco_preferences.SemPreferences(formsemestre_id=sem["formsemestre_id"])
|
|
|
|
destinations = abs_notify_get_destinations(
|
|
sem, prefs, etudid, date, nbabs, nbabsjust
|
|
)
|
|
msg = abs_notification_message(sem, prefs, etudid, nbabs, nbabsjust)
|
|
if not msg:
|
|
return # abort
|
|
|
|
# Vérification fréquence (pour ne pas envoyer de mails trop souvent)
|
|
abs_notify_max_freq = sco_preferences.get_preference("abs_notify_max_freq")
|
|
destinations_filtered = []
|
|
for email_addr in destinations:
|
|
nbdays_since_last_notif = user_nbdays_since_last_notif(email_addr, etudid)
|
|
if (nbdays_since_last_notif is None) or (
|
|
nbdays_since_last_notif >= abs_notify_max_freq
|
|
):
|
|
destinations_filtered.append(email_addr)
|
|
|
|
if destinations_filtered:
|
|
abs_notify_send(
|
|
destinations_filtered,
|
|
etudid,
|
|
msg,
|
|
nbabs,
|
|
nbabsjust,
|
|
formsemestre_id,
|
|
)
|
|
|
|
|
|
def abs_notify_send(destinations, etudid, msg, nbabs, nbabsjust, formsemestre_id):
|
|
"""Actually send the notification by email, and register it in database"""
|
|
cnx = ndb.GetDBConnexion()
|
|
log("abs_notify: sending notification to %s" % destinations)
|
|
cursor = cnx.cursor(cursor_factory=ndb.ScoDocCursor)
|
|
for dest_addr in destinations:
|
|
msg.recipients = [dest_addr]
|
|
email.send_message(msg)
|
|
ndb.SimpleQuery(
|
|
"""INSERT into absences_notifications
|
|
(etudid, email, nbabs, nbabsjust, formsemestre_id)
|
|
VALUES (%(etudid)s, %(email)s, %(nbabs)s, %(nbabsjust)s, %(formsemestre_id)s)
|
|
""",
|
|
vars(),
|
|
cursor=cursor,
|
|
)
|
|
|
|
logdb(
|
|
cnx=cnx,
|
|
method="abs_notify",
|
|
etudid=etudid,
|
|
msg="sent to %s (nbabs=%d)" % (destinations, nbabs),
|
|
)
|
|
|
|
|
|
def abs_notify_get_destinations(sem, prefs, etudid, date, nbabs, nbabsjust):
|
|
"""Returns set of destination emails to be notified"""
|
|
formsemestre_id = sem["formsemestre_id"]
|
|
|
|
destinations = [] # list of email address to notify
|
|
|
|
if abs_notify_is_above_threshold(etudid, nbabs, nbabsjust, formsemestre_id):
|
|
if sem and prefs["abs_notify_respsem"]:
|
|
# notifie chaque responsable du semestre
|
|
for responsable_id in sem["responsables"]:
|
|
u = sco_users.user_info(responsable_id)
|
|
if u["email"]:
|
|
destinations.append(u["email"])
|
|
if prefs["abs_notify_chief"] and prefs["email_chefdpt"]:
|
|
destinations.append(prefs["email_chefdpt"])
|
|
if prefs["abs_notify_email"]:
|
|
destinations.append(prefs["abs_notify_email"])
|
|
if prefs["abs_notify_etud"]:
|
|
etud = sco_etud.get_etud_info(etudid=etudid, filled=True)[0]
|
|
if etud["email_default"]:
|
|
destinations.append(etud["email_default"])
|
|
|
|
# Notification (à chaque fois) des resp. de modules ayant des évaluations
|
|
# à cette date
|
|
# nb: on pourrait prevoir d'utiliser un autre format de message pour ce cas
|
|
if sem and prefs["abs_notify_respeval"]:
|
|
mods = mod_with_evals_at_date(date, etudid)
|
|
for mod in mods:
|
|
u = sco_users.user_info(mod["responsable_id"])
|
|
if u["email"]:
|
|
destinations.append(u["email"])
|
|
|
|
# uniq
|
|
destinations = set(destinations)
|
|
|
|
return destinations
|
|
|
|
|
|
def abs_notify_is_above_threshold(etudid, nbabs, nbabsjust, formsemestre_id):
|
|
"""True si il faut notifier les absences (indépendemment du destinataire)
|
|
|
|
nbabs: nombre d'absence (de tous types, unité de compte = demi-journée)
|
|
nbabsjust: nombre d'absences justifiées
|
|
|
|
(nbabs > abs_notify_abs_threshold)
|
|
(nbabs - nbabs_last_notified) > abs_notify_abs_increment
|
|
"""
|
|
abs_notify_abs_threshold = sco_preferences.get_preference(
|
|
"abs_notify_abs_threshold", formsemestre_id
|
|
)
|
|
abs_notify_abs_increment = sco_preferences.get_preference(
|
|
"abs_notify_abs_increment", formsemestre_id
|
|
)
|
|
nbabs_last_notified = etud_nbabs_last_notified(etudid, formsemestre_id)
|
|
|
|
if nbabs_last_notified == 0:
|
|
if nbabs > abs_notify_abs_threshold:
|
|
return True # first notification
|
|
else:
|
|
return False
|
|
else:
|
|
if (nbabs - nbabs_last_notified) >= abs_notify_abs_increment:
|
|
return True
|
|
return False
|
|
|
|
|
|
def etud_nbabs_last_notified(etudid, formsemestre_id=None):
|
|
"""nbabs lors de la dernière notification envoyée pour cet étudiant dans ce semestre
|
|
ou sans semestre (ce dernier cas est nécessaire pour la transition au nouveau code)"""
|
|
cnx = ndb.GetDBConnexion()
|
|
cursor = cnx.cursor(cursor_factory=ndb.ScoDocCursor)
|
|
cursor.execute(
|
|
"""select * from absences_notifications where etudid = %(etudid)s and (formsemestre_id = %(formsemestre_id)s or formsemestre_id is NULL) order by notification_date desc""",
|
|
vars(),
|
|
)
|
|
res = cursor.dictfetchone()
|
|
if res:
|
|
return res["nbabs"]
|
|
else:
|
|
return 0
|
|
|
|
|
|
def user_nbdays_since_last_notif(email_addr, etudid):
|
|
"""nb days since last notification to this email, or None if no previous notification"""
|
|
cnx = ndb.GetDBConnexion()
|
|
cursor = cnx.cursor(cursor_factory=ndb.ScoDocCursor)
|
|
cursor.execute(
|
|
"""select * from absences_notifications where email = %(email_addr)s and etudid=%(etudid)s order by notification_date desc""",
|
|
{"email_addr": email_addr, "etudid": etudid},
|
|
)
|
|
res = cursor.dictfetchone()
|
|
if res:
|
|
now = datetime.datetime.now(res["notification_date"].tzinfo)
|
|
return (now - res["notification_date"]).days
|
|
else:
|
|
return None
|
|
|
|
|
|
def abs_notification_message(sem, prefs, etudid, nbabs, nbabsjust):
|
|
"""Mime notification message based on template.
|
|
returns a Message instance
|
|
or None if sending should be canceled (empty template).
|
|
"""
|
|
from app.scodoc import sco_bulletins
|
|
|
|
etud = sco_etud.get_etud_info(etudid=etudid, filled=True)[0]
|
|
|
|
# Variables accessibles dans les balises du template: %(nom_variable)s :
|
|
values = sco_bulletins.make_context_dict(sem, etud)
|
|
|
|
values["nbabs"] = nbabs
|
|
values["nbabsjust"] = nbabsjust
|
|
values["nbabsnonjust"] = nbabs - nbabsjust
|
|
values["url_ficheetud"] = url_for(
|
|
"scolar.ficheEtud", scodoc_dept=g.scodoc_dept, etudid=etudid
|
|
)
|
|
|
|
template = prefs["abs_notification_mail_tmpl"]
|
|
if template:
|
|
txt = prefs["abs_notification_mail_tmpl"] % values
|
|
else:
|
|
log("abs_notification_message: empty template, not sending message")
|
|
return None
|
|
|
|
subject = """[ScoDoc] Trop d'absences pour %(nomprenom)s""" % etud
|
|
msg = Message(subject, sender=prefs["email_from_addr"])
|
|
msg.body = txt
|
|
return msg
|
|
|
|
|
|
def retreive_current_formsemestre(etudid, cur_date):
|
|
"""Get formsemestre dans lequel etudid est (ou était) inscrit a la date indiquée
|
|
date est une chaine au format ISO (yyyy-mm-dd)
|
|
"""
|
|
req = """SELECT i.formsemestre_id
|
|
FROM notes_formsemestre_inscription i, notes_formsemestre sem
|
|
WHERE sem.id = i.formsemestre_id AND i.etudid = %(etudid)s
|
|
AND (%(cur_date)s >= sem.date_debut) AND (%(cur_date)s <= sem.date_fin)
|
|
"""
|
|
|
|
r = ndb.SimpleDictFetch(req, {"etudid": etudid, "cur_date": cur_date})
|
|
if not r:
|
|
return None
|
|
# s'il y a plusieurs semestres, prend le premier (rarissime et non significatif):
|
|
sem = sco_formsemestre.get_formsemestre(r[0]["formsemestre_id"])
|
|
return sem
|
|
|
|
|
|
def mod_with_evals_at_date(date_abs, etudid):
|
|
"""Liste des moduleimpls avec des evaluations à la date indiquée"""
|
|
req = """SELECT m.id AS moduleimpl_id, m.*
|
|
FROM notes_moduleimpl m, notes_evaluation e, notes_moduleimpl_inscription i
|
|
WHERE m.id = e.moduleimpl_id AND e.moduleimpl_id = i.moduleimpl_id
|
|
AND i.etudid = %(etudid)s AND e.jour = %(date_abs)s"""
|
|
r = ndb.SimpleDictFetch(req, {"etudid": etudid, "date_abs": date_abs})
|
|
return r
|