-import random
-import string
-
-from django.db import models
-from django.contrib.auth.models import User
-from django.core.exceptions import ValidationError
-from django.utils.translation import ugettext as _
-from jsonfield import JSONField
-
-from contact.models import Contact
-
-
-DEBUG_KEY = '12345'
-
-class Submission(models.Model):
- contact = models.ForeignKey(Contact, null = True)
- key = models.CharField(max_length = 30, unique = True)
- first_name = models.CharField(max_length = 100)
- last_name = models.CharField(max_length = 100)
- email = models.EmailField(max_length = 100, unique = True)
- answers = models.CharField(max_length = 65536, null = True, blank = True)
- key_sent = models.BooleanField(default = False)
- def __unicode__(self):
- return ', '.join((self.last_name, self.first_name, self.email))
-
- @classmethod
- def generate_key(cls):
- key = ''
- while not key or key in [record['key'] for record in cls.objects.values('key')]:
- key = ''.join(random.choice(string.ascii_uppercase + string.ascii_lowercase + string.digits) for i in range(30))
- return key
-
- @classmethod
- def create(cls, first_name, last_name, email, key = None, contact = None):
- submission = cls(
- contact = contact,
- key = key if key else Submission.generate_key(),
- first_name = first_name,
- last_name = last_name,
- email = email
- )
-
- submission.save()
- return submission
-
-
-class Attachment(models.Model):
- submission = models.ForeignKey(Submission)
- name = models.CharField(max_length=100)
- file = models.FileField(upload_to = 'wtem/attachment')
-
-
-class Assignment(models.Model):
- user = models.ForeignKey(User, unique = True)
- exercises = JSONField()
-
- def clean(self):
- if not isinstance(self.exercises, list):
- raise ValidationError(_('Assigned exercises must be declared in a list format'))
- for exercise in self.exercises:
- if not isinstance(exercise, int) or exercise < 1:
- raise ValidationError(_('Invalid exercise id: %s' % exercise))
-
- def __unicode__(self):
- return self.user.username + ': ' + ','.join(map(str,self.exercises))
\ No newline at end of file