-import os
+# -*- coding: utf-8 -*-
+import json
+import re
from django import forms
-from django.utils import simplejson
from .models import Submission, Attachment, exercises
def __init__(self, *args, **kwargs):
super(WTEMForm, self).__init__(*args, **kwargs)
for exercise in exercises:
- if exercise['type'] != 'file_upload':
- continue
- self.fields['attachment_for_' + str(exercise['id'])] = forms.FileField(required = False)
-
- def save(self):
- submission = super(WTEMForm, self).save()
- for name, file in self.files.items():
- exercise_id = int(name.split('_')[-1])
+ if exercise['type'] == 'file_upload':
+ self.fields['attachment_for_' + str(exercise['id'])] = forms.FileField(required=False)
+
+ def save(self, commit=True):
+ submission = super(WTEMForm, self).save(commit=commit)
+ for name, attachment_file in self.files.items():
+ m = re.match(r'attachment_for_(\d+)(?:__(.*))?', name)
+ exercise_id = int(m.group(1))
+ tag = m.group(2) or None
try:
- attachment = Attachment.objects.get(submission = submission, exercise_id = exercise_id)
+ attachment = Attachment.objects.get(submission=submission, exercise_id=exercise_id, tag=tag)
except Attachment.DoesNotExist:
- attachment = Attachment(submission = submission, exercise_id = exercise_id)
- attachment.file = file
+ attachment = Attachment(submission=submission, exercise_id=exercise_id, tag=tag)
+ attachment.file = attachment_file
attachment.save()
+
+class WTEMSingleForm(forms.ModelForm):
+ answers = forms.CharField()
+
+ class Meta:
+ model = Submission
+ fields = []
+
+ def __init__(self, *args, **kwargs):
+ super(WTEMSingleForm, self).__init__(*args, **kwargs)
+ i, exercise = self.instance.current_exercise()
+ if exercise and exercise['type'] == 'file_upload':
+ self.fields['attachment'] = forms.FileField(required=False)
+
+ def save(self, commit=True):
+ submission = self.instance
+ answers = submission.get_answers()
+ posted_answers = json.loads(self.cleaned_data['answers'])
+ if type(posted_answers) != dict:
+ raise ValueError('answers not dict')
+ if len(posted_answers) != 1:
+ raise ValueError('answers not single')
+ exercise_id, answer = posted_answers.items()[0]
+ # multipost
+ if answers.get(exercise_id) == answer:
+ return
+ i, exercise = submission.current_exercise()
+ if exercise_id != str(exercise['id']):
+ raise ValueError('wrong exercise id')
+ for answer in posted_answers.values():
+ answers[exercise_id] = answer
+ submission.answers = json.dumps(answers)
+ submission.save()
+ for name, attachment_file in self.files.items():
+ m = re.match(r'attachment(?:__(.*))?', name)
+ tag = m.group(1) or None
+ attachment, created = Attachment.objects.get_or_create(
+ submission=submission, exercise_id=exercise_id, tag=tag)
+ attachment.file = attachment_file
+ attachment.save()