X-Git-Url: https://git.mdrn.pl/edumed.git/blobdiff_plain/53907d17526cecf92207417e051527c00bcd2426..03a6691f41df45a2c03e1962223a3c0138b92b7a:/wtem/models.py?ds=inline diff --git a/wtem/models.py b/wtem/models.py index 75fa0ba..361bff3 100644 --- a/wtem/models.py +++ b/wtem/models.py @@ -1,44 +1,179 @@ +# -*- coding: utf-8 -*- import random import string +import os +import json 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 +f = file(os.path.dirname(__file__) + '/fixtures/exercises.json') +exercises = json.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) + 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)) + 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): + 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 + 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 = json.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 answer_id in map(int, answer): + if answer_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) - name = models.CharField(max_length=100) - file = models.FileField(upload_to = 'wtem/attachment') \ No newline at end of file + 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