X-Git-Url: https://git.mdrn.pl/edumed.git/blobdiff_plain/fd65827f7d34921b927dfd735099b0690aa3a2df..d555d988764995ea1f9f5ece46f453a66f09b334:/wtem/models.py?ds=sidebyside diff --git a/wtem/models.py b/wtem/models.py deleted file mode 100644 index 0c7f78a..0000000 --- a/wtem/models.py +++ /dev/null @@ -1,176 +0,0 @@ -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] - exercise = [e for e in exercises if str(e['id']) == str(exercise_id)][0] - if exercise_checked_manually(exercise): - marks_by_examiner = self.get_exercise_marks_by_examiner(exercise_id) - if len(marks_by_examiner): - return sum(map(float, 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)): - for exercise_id in [str(x['id']) for x in exercises]: - 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() - tag = models.CharField(max_length=128, null=True, blank=True) - 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