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