wtem/forms.py

   1 import os
   2
   3 from django import forms
   4 from django.utils import simplejson
   5
   6 from .models import Submission, Attachment
   7
   8
   9 class WTEMForm(forms.ModelForm):
  10     class Meta:
  11         model = Submission
  12         fields = ('answers',)
  13
  14     def __init__(self, *args, **kwargs):
  15         super(WTEMForm, self).__init__(*args, **kwargs)
  16
  17         ## @@ move this one level up
  18         f = file(os.path.dirname(__file__) + '/fixtures/exercises.json')
  19         exercises = simplejson.loads(f.read())
  20         f.close()
  21
  22         for exercise in exercises:
  23             if exercise['type'] != 'file_upload':
  24                 continue
  25             self.fields['attachment_for_' + str(exercise['id'])] = forms.FileField(required = False)
  26
  27     def save(self):
  28         submission = super(WTEMForm, self).save()
  29         for name, file in self.files.items():
  30             exercise_id = int(name.split('_')[-1])
  31             try:
  32                 attachment = Attachment.objects.get(submission = submission, exercise_id = exercise_id)
  33             except Attachment.DoesNotExist:
  34                 attachment = Attachment(fsubmission = submission, exercise_id = exercise_id)
  35             attachment.file = file
  36             attachment.save()
  37