curriculum/views.py

   1 # -*- coding: utf-8
   2 from django.db import models
   3 from django.views.generic import DetailView, ListView
   4 from django.utils.datastructures import SortedDict
   5 from django.utils.translation import ugettext as _
   6
   7 from .models import Competence, Section, Level, CompetenceLevel
   8
   9
  10 class CompetenceDetailView(DetailView):
  11     model = Competence
  12
  13
  14 class CompetencesView(ListView):
  15     model = Competence
  16
  17     def get_context_data(self, **kwargs):
  18         context = super(CompetencesView, self).get_context_data(**kwargs)
  19
  20         context['levels'] = SortedDict()
  21         for level in Level.objects.all():
  22             context['levels'].setdefault(level.group, []).append(level)
  23
  24         context['sections'] = Section.objects.all()
  25
  26         errors = {}
  27
  28         try:
  29             level = Level.objects.get(slug=self.request.GET.get('level'))
  30         except Level.DoesNotExist:
  31             level = None
  32         context['level'] = level
  33
  34         comp_ids = set()
  35         for c in self.request.GET.getlist('c'):
  36             try:
  37                 comp_ids.add(int(c))
  38             except ValueError:
  39                 pass
  40         context['comp_ids'] = comp_ids
  41         sect_ids = set()
  42         for c in self.request.GET.getlist('s'):
  43             try:
  44                 sect_ids.add(int(c))
  45             except ValueError:
  46                 pass
  47         context['sect_ids'] = sect_ids
  48
  49         if not (comp_ids or sect_ids):
  50             if level:
  51                 errors["competences"] = _('You must select at least one competency from the list.')
  52         elif level is None:
  53             errors["level"] = _('You must select at least one education level.')
  54         else:
  55             chosen_competences = SortedDict()
  56             for competence in Competence.objects.filter(
  57                     models.Q(pk__in=comp_ids) | models.Q(section__pk__in=sect_ids)):
  58                 try:
  59                     competence.for_level_ = competence.for_level(level)
  60                 except CompetenceLevel.DoesNotExist:
  61                     pass
  62                 chosen_competences.setdefault(competence.section, []).append(competence)
  63             context['chosen_competences'] = chosen_competences
  64
  65         context["errors"] = errors
  66         return context