+ errors = {}
+
+ try:
+ level = Level.objects.get(slug=self.request.GET.get('level'))
+ except Level.DoesNotExist:
+ level = None
+ context['level'] = level
+
+ comp_ids = set()
+ for c in self.request.GET.getlist('c'):
+ try:
+ comp_ids.add(int(c))
+ except ValueError:
+ pass
+ context['comp_ids'] = comp_ids
+ sect_ids = set()
+ for c in self.request.GET.getlist('s'):
+ try:
+ sect_ids.add(int(c))
+ except ValueError:
+ pass
+ context['sect_ids'] = sect_ids
+
+ if not (comp_ids or sect_ids):
+ if level:
+ errors["competences"] = "Please!"
+ elif level is None:
+ errors["level"] = "Please!"
+ else:
+ chosen_competences = SortedDict()
+ for competence in Competence.objects.filter(
+ models.Q(pk__in=comp_ids) | models.Q(section__pk__in=sect_ids)):
+ try:
+ competence.for_level_ = competence.for_level(level)
+ except CompetenceLevel.DoesNotExist:
+ pass
+ chosen_competences.setdefault(competence.section, []).append(competence)
+ context['chosen_competences'] = chosen_competences
+
+ context["errors"] = errors