+++ /dev/null
-import random
-import string
-import os
-
-from django.db import models
-from django.contrib.auth.models import User
-from django.core.exceptions import ValidationError
-from django.utils import simplejson
-from django.utils.translation import ugettext as _
-from jsonfield import JSONField
-
-from contact.models import Contact
-
-f = file(os.path.dirname(__file__) + '/fixtures/exercises.json')
-exercises = simplejson.loads(f.read())
-f.close()
-
-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)
- marks = JSONField(default={})
- examiners = models.ManyToManyField(User, null = True, blank = True)
- end_time = models.CharField(max_length = 5, null = True, blank = True)
-
- 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
-
- def get_mark(self, user_id, exercise_id):
- mark = None
- user_id = str(user_id)
- exercise_id = str(exercise_id)
- if self.marks and user_id in self.marks:
- mark = self.marks[user_id].get(exercise_id, None)
- return mark
-
- def set_mark(self, user_id, exercise_id, mark):
- user_id = str(user_id)
- exercise_id = str(exercise_id)
- if not self.marks:
- self.marks = dict()
-
- self.marks.setdefault(user_id, {})[exercise_id] = mark
- if mark == 'None':
- del self.marks[user_id][exercise_id]
-
-
- def get_exercise_marks_by_examiner(self, exercise_id):
- marks = dict()
- for examiner_id, examiner_marks in self.marks.items():
- mark = examiner_marks.get(exercise_id, None)
- if mark is not None:
- marks[examiner_id] = mark
- return marks
-
- def get_final_exercise_mark(self, exercise_id):
- exercise = exercises[int(exercise_id)-1]
- if exercise_checked_manually(exercise):
- marks_by_examiner = self.get_exercise_marks_by_examiner(exercise_id)
- if len(marks_by_examiner):
- return sum(map(int, marks_by_examiner.values())) / float(len(marks_by_examiner))
- else:
- return None
- else:
- if not self.answers:
- return None
- answer = simplejson.loads(self.answers)[exercise_id]['closed_part']
- t = exercise['type']
- if t == 'edumed_uporzadkuj':
- return exercise['points'] if map(int, answer) == exercise['answer'] else 0
- if t == 'edumed_przyporzadkuj':
- toret = 0
- for bucket_id, items in answer.items():
- for item_id in items:
- is_corect = False
- if exercise.get('answer_mode', None) == 'possible_buckets_for_item':
- is_correct = int(bucket_id) in exercise['answer'].get(item_id)
- else:
- is_correct = int(item_id) in exercise['answer'].get(bucket_id, [])
- if is_correct:
- toret += exercise['points_per_hit']
- return toret
- if t == 'edumed_wybor':
- if len(exercise['answer']) == 1:
- if len(answer) and int(answer[0]) == exercise['answer'][0]:
- return exercise['points']
- else:
- return 0
- else:
- toret = 0
- if exercise.get('answer_mode', None) == 'all_or_nothing':
- toret = exercise['points'] if map(int, answer) == exercise['answer'] else 0
- else:
- for id in map(int, answer):
- if id in exercise['answer']:
- toret += exercise['points_per_hit']
- return toret
- if t == 'edumed_prawdafalsz':
- toret = 0
- for idx, statement in enumerate(exercise['statements']):
- if answer[idx] == 'true':
- given = True
- elif answer[idx] == 'false':
- given = False
- else:
- given = None
- if given == statement[1]:
- toret += exercise['points_per_hit']
- return toret
- raise NotImplementedError
-
- @property
- def final_result(self):
- final = 0
- for exercise_id in map(str,range(1, len(exercises) + 1)):
- mark = self.get_final_exercise_mark(exercise_id)
- if mark is not None:
- final += mark
- return final
-
- @property
- def final_result_as_string(self):
- return ('%.2f' % self.final_result).rstrip('0').rstrip('.')
-
-class Attachment(models.Model):
- submission = models.ForeignKey(Submission)
- exercise_id = models.IntegerField()
- 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))
-
-
-def exercise_checked_manually(exercise):
- return (exercise['type'] in ('open', 'file_upload')) or 'open_part' in exercise
\ No newline at end of file
fnp / edumed.git / blobdiff