378 lines
15 KiB
Python
378 lines
15 KiB
Python
# coding: utf-8
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from django.shortcuts import render, get_object_or_404, redirect
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from django.core import mail
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from django.core.mail import EmailMessage
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from django.forms import ModelForm
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from django import forms
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from django.forms.models import inlineformset_factory, BaseInlineFormSet
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from django.contrib.auth.models import User
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from django.views.generic import ListView
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from django.utils.decorators import method_decorator
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from django.views.decorators.csrf import csrf_exempt
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from django.template import loader, Context
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from django.conf import settings
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from django.contrib.auth.decorators import login_required
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from django.db.models import Min
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from gestioncof.models import CofProfile
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from gestioncof.petits_cours_models import *
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from gestioncof.decorators import buro_required
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from gestioncof.shared import lock_table, unlock_tables
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from captcha.fields import ReCaptchaField
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from datetime import datetime
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import base64
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import simplejson
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def render_template(template_path, data):
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tmpl = loader.get_template(template_path)
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context = Context(data)
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return tmpl.render(context)
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class DemandeListView(ListView):
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model = PetitCoursDemande
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template_name = "petits_cours_demandes_list.html"
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paginate_by = 20
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def get_queryset(self):
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return PetitCoursDemande.objects.order_by('traitee', '-id').all()
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@method_decorator(buro_required)
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def dispatch(self, *args, **kwargs):
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return super(DemandeListView, self).dispatch(*args, **kwargs)
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@buro_required
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def details(request, demande_id):
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demande = get_object_or_404(PetitCoursDemande, id=demande_id)
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attributions = PetitCoursAttribution.objects.filter(demande=demande).all()
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return render(request, "details_demande_petit_cours.html",
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{"demande": demande,
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"attributions": attributions})
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def _get_attrib_counter(user, matiere):
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counter, created = PetitCoursAttributionCounter.objects.get_or_create(user=user,
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matiere=matiere)
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if created:
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mincount = PetitCoursAttributionCounter.objects.filter(matiere=matiere).exclude(user=user).all().aggregate(Min('count'))
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counter.count = mincount['count__min']
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counter.save()
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return counter
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def _get_demande_candidates(demande, redo=False):
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for matiere in demande.matieres.all():
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candidates = PetitCoursAbility.objects.filter(matiere=matiere, niveau=demande.niveau)
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candidates = candidates.filter(user__profile__is_cof=True,
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user__profile__petits_cours_accept=True)
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if demande.agrege_requis:
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candidates = candidates.filter(agrege=True)
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if redo:
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attributions = PetitCoursAttribution.objects.filter(demande=demande,
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matiere=matiere).all()
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for attrib in attributions:
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candidates = candidates.exclude(user=attrib.user)
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candidates = candidates.order_by('?').select_related().all()
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yield (matiere, candidates)
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@buro_required
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def traitement(request, demande_id, redo=False):
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demande = get_object_or_404(PetitCoursDemande, id=demande_id)
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if demande.niveau == "other":
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return _traitement_other(request, demande, redo)
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if request.method == "POST":
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return _traitement_post(request, demande)
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proposals = {}
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proposed_for = {}
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unsatisfied = []
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attribdata = {}
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for matiere, candidates in _get_demande_candidates(demande, redo):
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if candidates:
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tuples = []
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for candidate in candidates:
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user = candidate.user
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tuples.append((candidate, _get_attrib_counter(user, matiere)))
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tuples = sorted(tuples, key=lambda c: c[1].count)
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candidates, _ = zip(*tuples)
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candidates = candidates[0:min(3, len(candidates))]
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attribdata[matiere.id] = []
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proposals[matiere] = []
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for candidate in candidates:
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user = candidate.user
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proposals[matiere].append(user)
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attribdata[matiere.id].append(user.id)
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if user not in proposed_for:
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proposed_for[user] = [matiere]
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else:
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proposed_for[user].append(matiere)
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else:
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unsatisfied.append(matiere)
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return _finalize_traitement(request, demande, proposals,
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proposed_for, unsatisfied, attribdata, redo)
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@buro_required
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def retraitement(request, demande_id):
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return traitement(request, demande_id, redo=True)
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def _finalize_traitement(request, demande, proposals, proposed_for,
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unsatisfied, attribdata, redo=False, errors=None):
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proposals = proposals.items()
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proposed_for = proposed_for.items()
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attribdata = attribdata.items()
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proposed_mails = _generate_eleve_email(demande, proposed_for)
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mainmail = render_template("petits-cours-mail-demandeur.txt",
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{"proposals": proposals,
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"unsatisfied": unsatisfied,
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"extra": "<textarea name=\"extra\" style=\"width:99%; height: 90px;\"></textarea>"})
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return render(request, "traitement_demande_petit_cours.html",
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{"demande": demande,
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"unsatisfied": unsatisfied,
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"proposals": proposals,
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"proposed_for": proposed_for,
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"proposed_mails": proposed_mails,
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"mainmail": mainmail,
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"attribdata": base64.b64encode(simplejson.dumps(attribdata)),
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"redo": redo,
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"errors": errors,
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})
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def _generate_eleve_email(demande, proposed_for):
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proposed_mails = []
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for user, matieres in proposed_for:
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msg = render_template("petits-cours-mail-eleve.txt", {"demande": demande, "matieres": matieres})
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proposed_mails.append((user, msg))
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return proposed_mails
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def _traitement_other_preparing(request, demande):
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redo = "redo" in request.POST
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unsatisfied = []
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proposals = {}
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proposed_for = {}
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attribdata = {}
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errors = []
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for matiere, candidates in _get_demande_candidates(demande, redo):
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if candidates:
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candidates = dict([(candidate.user.id, candidate.user)
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for candidate in candidates])
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attribdata[matiere.id] = []
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proposals[matiere] = []
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for choice_id in range(min(3, len(candidates))):
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choice = int(request.POST["proposal-%d-%d" % (matiere.id, choice_id)])
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if choice == -1:
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continue
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if choice not in candidates:
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errors.append(u"Choix invalide pour la proposition %d en %s" % (choice_id + 1, matiere))
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continue
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user = candidates[choice]
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if user in proposals[matiere]:
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errors.append(u"La proposition %d en %s est un doublon" % (choice_id + 1, matiere))
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continue
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proposals[matiere].append(user)
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attribdata[matiere.id].append(user.id)
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if user not in proposed_for:
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proposed_for[user] = [matiere]
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else:
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proposed_for[user].append(matiere)
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if not proposals[matiere]:
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errors.append(u"Aucune proposition pour %s" % (matiere,))
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elif len(proposals[matiere]) < 3:
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errors.append(u"Seulement %d proposition%s pour %s" % (len(proposals[matiere]), "s" if len(proposals[matiere]) > 1 else "", matiere))
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else:
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unsatisfied.append(matiere)
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return _finalize_traitement(request, demande, proposals, proposed_for, unsatisfied, attribdata, errors=errors)
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def _traitement_other(request, demande, redo):
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if request.method == "POST":
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if "preparing" in request.POST:
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return _traitement_other_preparing(request, demande)
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else:
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return _traitement_post(request, demande)
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proposals = {}
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proposed_for = {}
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unsatisfied = []
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attribdata = {}
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for matiere, candidates in _get_demande_candidates(demande, redo):
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if candidates:
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tuples = []
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for candidate in candidates:
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user = candidate.user
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tuples.append((candidate, _get_attrib_counter(user, matiere)))
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tuples = sorted(tuples, key=lambda c: c[1].count)
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candidates, _ = zip(*tuples)
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attribdata[matiere.id] = []
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proposals[matiere] = []
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for candidate in candidates:
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user = candidate.user
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proposals[matiere].append(user)
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attribdata[matiere.id].append(user.id)
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if user not in proposed_for:
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proposed_for[user] = [matiere]
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else:
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proposed_for[user].append(matiere)
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else:
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unsatisfied.append(matiere)
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proposals = proposals.items()
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proposed_for = proposed_for.items()
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return render(request, "traitement_demande_petit_cours_autre_niveau.html",
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{"demande": demande,
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"unsatisfied": unsatisfied,
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"proposals": proposals,
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"proposed_for": proposed_for,
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})
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def _traitement_post(request, demande):
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proposals = {}
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proposed_for = {}
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unsatisfied = []
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extra = request.POST["extra"].strip()
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redo = "redo" in request.POST
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attribdata = request.POST["attribdata"]
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attribdata = dict(simplejson.loads(base64.b64decode(attribdata)))
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for matiere in demande.matieres.all():
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if matiere.id not in attribdata:
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unsatisfied.append(matiere)
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else:
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proposals[matiere] = []
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for user_id in attribdata[matiere.id]:
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user = User.objects.get(pk=user_id)
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proposals[matiere].append(user)
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if user not in proposed_for:
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proposed_for[user] = [matiere]
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else:
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proposed_for[user].append(matiere)
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proposals_list = proposals.items()
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proposed_for = proposed_for.items()
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proposed_mails = _generate_eleve_email(demande, proposed_for)
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mainmail = render_template("petits-cours-mail-demandeur.txt",
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{"proposals": proposals_list,
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"unsatisfied": unsatisfied,
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"extra": extra})
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frommail = settings.PETITS_COURS_FROM
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bccaddress = settings.PETITS_COURS_BCC
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replyto = settings.PETITS_COURS_REPLYTO
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mails_to_send = []
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for (user, msg) in proposed_mails:
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msg = EmailMessage("Petits cours ENS par le COF", msg,
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frommail, [user.email],
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[bccaddress], headers={'Reply-To': replyto})
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mails_to_send.append(msg)
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mails_to_send.append(EmailMessage("Cours particuliers ENS", mainmail,
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frommail, [demande.email],
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[bccaddress], headers={'Reply-To': replyto}))
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connection = mail.get_connection(fail_silently=True)
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connection.send_messages(mails_to_send)
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lock_table(PetitCoursAttributionCounter, PetitCoursAttribution, User)
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for matiere in proposals:
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for rank, user in enumerate(proposals[matiere]):
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counter = PetitCoursAttributionCounter.objects.get(user=user, matiere=matiere)
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counter.count += 1
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counter.save()
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attrib = PetitCoursAttribution(user=user, matiere=matiere,
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demande=demande, rank=rank + 1)
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attrib.save()
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unlock_tables()
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demande.traitee = True
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demande.traitee_par = request.user
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demande.processed = datetime.now()
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demande.save()
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return render(request, "traitement_demande_petit_cours_success.html",
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{"demande": demande,
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"redo": redo,
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})
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class BaseMatieresFormSet(BaseInlineFormSet):
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def clean(self):
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super(BaseMatieresFormSet, self).clean()
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if any(self.errors):
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# Don't bother validating the formset unless each form is valid on its own
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return
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matieres = []
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for i in range(0, self.total_form_count()):
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form = self.forms[i]
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if not form.cleaned_data:
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continue
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matiere = form.cleaned_data['matiere']
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niveau = form.cleaned_data['niveau']
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delete = form.cleaned_data['DELETE']
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if not delete and (matiere, niveau) in matieres:
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raise forms.ValidationError("Vous ne pouvez pas vous inscrire deux fois pour la même matiere avec le même niveau.")
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matieres.append((matiere, niveau))
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@login_required
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def inscription(request):
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profile, created = CofProfile.objects.get_or_create(user=request.user)
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if not profile.is_cof:
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return redirect("cof-denied")
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MatieresFormSet = inlineformset_factory(User, PetitCoursAbility,
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fields=("matiere", "niveau", "agrege",),
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formset=BaseMatieresFormSet)
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success = False
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if request.method == "POST":
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formset = MatieresFormSet(request.POST, instance=request.user)
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if formset.is_valid():
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formset.save()
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profile.petits_cours_accept = "receive_proposals" in request.POST
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profile.petits_cours_remarques = request.POST["remarques"]
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profile.save()
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lock_table(PetitCoursAttributionCounter, PetitCoursAbility, User, PetitCoursSubject)
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abilities = PetitCoursAbility.objects.filter(user=request.user).all()
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for ability in abilities:
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counter = _get_attrib_counter(ability.user, ability.matiere)
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unlock_tables()
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success = True
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formset = MatieresFormSet(instance=request.user)
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else:
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formset = MatieresFormSet(instance=request.user)
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return render(request, "inscription-petit-cours.html", {"formset": formset, "success": success, "receive_proposals": profile.petits_cours_accept, "remarques": profile.petits_cours_remarques})
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class DemandeForm(ModelForm):
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captcha = ReCaptchaField(attrs={'theme': 'clean', 'lang': 'fr'})
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def __init__(self, *args, **kwargs):
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super(DemandeForm, self).__init__(*args, **kwargs)
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self.fields['matieres'].help_text = ''
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class Meta:
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model = PetitCoursDemande
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fields = ('name', 'email', 'phone', 'quand', 'freq', 'lieu', 'matieres', 'agrege_requis', 'niveau', 'remarques')
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widgets = {'matieres': forms.CheckboxSelectMultiple}
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@csrf_exempt
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def demande(request):
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success = False
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if request.method == "POST":
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form = DemandeForm(request.POST)
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if form.is_valid():
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form.save()
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success = True
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else:
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form = DemandeForm()
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return render(request, "demande-petit-cours.html", {"form": form, "success": success})
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@csrf_exempt
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def demande_raw(request):
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success = False
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if request.method == "POST":
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form = DemandeForm(request.POST)
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if form.is_valid():
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form.save()
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success = True
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else:
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form = DemandeForm()
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return render(request, "demande-petit-cours-raw.html", {"form": form, "success": success})
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