curriculum/views.py

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