wtem/admin.py

   1 # -*- coding: utf-8 -*-
   2
   3 import os
   4
   5 from django.contrib import admin
   6 from django import forms
   7 from django.utils import simplejson
   8 from django.core.urlresolvers import reverse
   9
  10 from .models import Submission, Assignment
  11
  12
  13 f = file(os.path.dirname(__file__) + '/fixtures/exercises.json')
  14 exercises = simplejson.loads(f.read())
  15 f.close()
  16
  17 def get_user_exercises(user):
  18     assignment = Assignment.objects.get(user = user)
  19     return [e for e in exercises if e['id'] in assignment.exercises]
  20
  21
  22 readonly_fields = ('submitted_by', 'first_name', 'last_name', 'email', 'key', 'key_sent')
  23
  24
  25 class SubmissionFormBase(forms.ModelForm):
  26     class Meta:
  27         model = Submission
  28         exclude = ('answers', 'marks', 'contact') + readonly_fields
  29
  30
  31 def get_form(request, submission):
  32     fields = dict()
  33     if submission.answers:
  34         answers = simplejson.loads(submission.answers)
  35         user_exercises = get_user_exercises(request.user)
  36         for exercise in exercises:
  37             if exercise not in user_exercises:
  38                 continue
  39             if exercise['type'] == 'open':
  40                 answer_field_name = 'exercise_%s' % exercise['id']
  41                 mark_field_name = 'markof_%s_by_%s' % (exercise['id'], request.user.id)
  42                 fields[answer_field_name] = forms.CharField(
  43                     widget = forms.Textarea(attrs={'readonly':True}),
  44                     initial = answers[str(exercise['id'])],
  45                     label = 'Rozwiązanie zadania %s' % exercise['id']
  46                 )
  47
  48                 fields[mark_field_name] = forms.ChoiceField(
  49                     choices = [(None, '-')] + [(i,i) for i in range(exercise['max_points']+1)],
  50                     initial = submission.get_mark(user_id = request.user.id, exercise_id = exercise['id']),
  51                     label = u'Twoja ocena zadania %s' % exercise['id']
  52                 )
  53     return type('SubmissionForm', (SubmissionFormBase,), fields)
  54
  55
  56 class SubmissionAdmin(admin.ModelAdmin):
  57     readonly_fields = readonly_fields
  58
  59     def get_form(self, request, obj, **kwargs):
  60         return get_form(request, obj)
  61
  62     def submitted_by(self, instance):
  63         if instance.contact:
  64             return '<a href="%s">%s</a>' % (
  65                 reverse('admin:contact_contact_change', args = [instance.contact.id]),
  66                 instance.contact.contact
  67             )
  68         return '-'
  69     submitted_by.allow_tags = True
  70     submitted_by.short_description = "Zgłoszony/a przez"
  71
  72     def save_model(self, request, submission, form, change):
  73         for name, value in form.cleaned_data.items():
  74             if name.startswith('markof_'):
  75                 parts = name.split('_')
  76                 exercise_id = parts[1]
  77                 user_id = parts[3]
  78                 submission.set_mark(user_id = user_id, exercise_id = exercise_id, mark = value)
  79         submission.save()
  80
  81
  82 admin.site.register(Submission, SubmissionAdmin)
  83 admin.site.register(Assignment)