X-Git-Url: https://git.mdrn.pl/edumed.git/blobdiff_plain/3f387ec5d75ff85576e87649427cbdc1f14a95b8..83272404e6de588c8b436fed6e5ea41eb7df8e6a:/wtem/models.py

diff --git a/wtem/models.py b/wtem/models.py
index 6440e70..e3b0656 100644
--- a/wtem/models.py
+++ b/wtem/models.py
@@ -4,6 +4,10 @@ import string
 import os
 import json
 
+from datetime import datetime
+
+import pytz as pytz
+from django.conf import settings
 from django.core.validators import validate_email
 from django.db import models
 from django.contrib.auth.models import User
@@ -15,14 +19,29 @@ from django.utils import timezone
 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()
+def prepare_exercises():
+    f = file(os.path.dirname(__file__) + '/fixtures/exercises.json')
+    exercises = json.loads(f.read())
+    for i, exercise in enumerate(exercises, 1):
+        exercise['id'] = i
+        if exercise['type'] == 'edumed_wybor' and exercise['answer_mode'] == 'multi':
+            answer = []
+            for j, option in enumerate(exercise['options'], 1):
+                option['id'] = j
+                if option['answer']:
+                    answer.append(j)
+            exercise['answer'] = answer
+    f.close()
+    return exercises
+
+
+exercises = prepare_exercises()
 
 DEBUG_KEY = 'smerfetka159'
 
+tz = pytz.timezone(settings.TIME_ZONE)
+
 
 def get_exercise_by_id(exercise_id):
     return [e for e in exercises if str(e['id']) == str(exercise_id)][0]
@@ -34,6 +53,10 @@ def make_key(length):
         for i in range(length))
 
 
+def tuple2dt(time_tuple):
+    return tz.localize(datetime(*time_tuple))
+
+
 class CompetitionState(models.Model):
     """singleton"""
     BEFORE = 'before'
@@ -46,19 +69,30 @@ class CompetitionState(models.Model):
     )
     state = models.CharField(choices=STATE_CHOICES, max_length=16)
 
+    start = tuple2dt(settings.OLIMPIADA_START)
+    end = tuple2dt(settings.OLIMPIADA_END)
+
     @classmethod
     def get_state(cls):
-        return cls.objects.get().state
+        now = timezone.now()
+        if now < cls.start:
+            return cls.BEFORE
+        elif now < cls.end:
+            return cls.DURING
+        else:
+            return cls.AFTER
+        # return cls.objects.get().state
 
 
 class Submission(models.Model):
-    contact = models.ForeignKey(Contact, null=True)
+    contact = models.ForeignKey('contact.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)
+    opened_link = 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)
@@ -96,8 +130,8 @@ class Submission(models.Model):
 
     def shuffled_exercise_ids(self):
         exercise_ids = [e['id'] for e in exercises]
-        random.seed(self.random_seed)
-        random.shuffle(exercise_ids)
+        seeded_random = random.Random(self.random_seed)
+        seeded_random.shuffle(exercise_ids)
         return exercise_ids
 
     def current_exercise(self):
@@ -135,6 +169,8 @@ class Submission(models.Model):
 
     def get_final_exercise_mark(self, exercise_id):
         exercise = get_exercise_by_id(exercise_id)
+        if exercise.get('excluded'):
+            return 0
         if exercise_checked_manually(exercise):
             marks_by_examiner = self.get_exercise_marks_by_examiner(exercise_id)
             if len(marks_by_examiner):
@@ -144,52 +180,68 @@ class Submission(models.Model):
         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:
+            answers = json.loads(self.answers)
+            if exercise_id not in answers:
+                return None
+            else:
+                answer = answers[exercise_id]['closed_part']
+                t = exercise['type']
+                if t == 'edumed_uporzadkuj':
+                    return exercise['points'] if map(int, answer) == exercise['answer'] else 0
+                elif t == 'edumed_przyporzadkuj':
                     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']:
+                    for bucket_id, items in answer.items():
+                        for item_id in items:
+                            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_prawdafalsz':
-                toret = 0
-                for idx, statement in enumerate(exercise['statements']):
-                    if statement[1] == 'ignore':
-                        continue
-                    if answer[idx] == 'true':
-                        given = True
-                    elif answer[idx] == 'false':
-                        given = False
+                elif t == 'edumed_wybor':
+                    if exercise.get('answer_mode', None) == 'multi':
+                        if not answer:
+                            return None
+                        # return exercise['points'] if map(int, answer) == exercise['answer'] else 0
+                        correct = 0.
+                        for i in xrange(1, len(exercise['options']) + 1):
+                            if (str(i) in answer) == (i in exercise['answer']):
+                                correct += 1
+                        points1 = exercise['points'] * correct/len(exercise['options'])
+                        points2 = exercise['points'] if map(int, answer) == exercise['answer'] else 0
+                        return points1 + points2
+                    elif len(exercise['answer']) == 1:
+                        if len(answer) and int(answer[0]) == exercise['answer'][0]:
+                            return exercise['points']
+                        else:
+                            return 0
                     else:
-                        given = None
-                    if given == statement[1]:
-                        toret += exercise['points_per_hit']
-                return toret
-            raise NotImplementedError
+                        toret = 0
+                        if exercise.get('answer_mode', None) == 'all_or_nothing':
+                            toret = exercise['points'] if map(int, answer) == exercise['answer'] else 0
+                        else:
+                            # głupie i szkodliwe
+                            for answer_id in map(int, answer):
+                                if answer_id in exercise['answer']:
+                                    toret += exercise['points_per_hit']
+                        return toret
+                elif t == 'edumed_prawdafalsz':
+                    toret = 0
+                    for idx, statement in enumerate(exercise['statements']):
+                        if statement[1] == 'ignore':
+                            continue
+                        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
+                else:
+                    raise NotImplementedError
 
     @property
     def final_result(self):
@@ -199,7 +251,7 @@ class Submission(models.Model):
             mark = self.get_final_exercise_mark(exercise_id)
             if mark is not None:
                 final += mark
-        return final
+        return round(final, 2)
 
     @property
     def final_result_as_string(self):
@@ -228,13 +280,32 @@ class Assignment(models.Model):
         return self.user.username + ': ' + ','.join(map(str, self.exercises))
 
 
-class Confirmation(models.Model):
+class AbstractConfirmation(models.Model):
+    contact = models.ForeignKey('contact.Contact', null=True)
+    key = models.CharField(max_length=30)
+    confirmed = models.BooleanField(default=False)
+
+    class Meta:
+        abstract = True
+
+    def readable_contact(self):
+        return '%s <%s>' % (self.contact.body.get('przewodniczacy'), self.contact.contact)
+
+    def school_phone(self):
+        return '%s, tel. %s' % (self.contact.body.get('school'), self.contact.body.get('school_phone'))
+
+    def age(self):
+        return timezone.now() - self.contact.created_at
+
+    def readable_age(self):
+        td = self.age()
+        return '%s dni, %s godzin' % (td.days, td.seconds/3600)
+
+
+class Confirmation(AbstractConfirmation):
     first_name = models.CharField(max_length=100)
     last_name = models.CharField(max_length=100)
     email = models.EmailField(max_length=100, unique=True)
-    contact = models.ForeignKey(Contact, null=True)
-    key = models.CharField(max_length=30)
-    confirmed = models.BooleanField(default=False)
 
     class Meta:
         ordering = ['contact__contact']
@@ -255,16 +326,6 @@ class Confirmation(models.Model):
     def absolute_url(self):
         return reverse('student_confirmation', args=(self.id, self.key))
 
-    def readable_contact(self):
-        return '%s <%s>' % (self.contact.body.get('przewodniczacy'), self.contact.contact)
-
-    def age(self):
-        return timezone.now() - self.contact.created_at
-
-    def readable_age(self):
-        td = self.age()
-        return '%s dni, %s godzin' % (td.days, td.seconds/3600)
-
     def send_mail(self):
         mail_subject = render_to_string('contact/olimpiada/student_mail_subject.html').strip()
         mail_body = render_to_string(
@@ -278,5 +339,23 @@ class Confirmation(models.Model):
                       fail_silently=True)
 
 
+class TeacherConfirmation(AbstractConfirmation):
+
+    class Meta:
+        ordering = ['contact__contact']
+
+    @classmethod
+    def create(cls, contact=None, key=None):
+        confirmation = cls(
+            contact=contact,
+            key=key if key else make_key(30),
+        )
+        confirmation.save()
+        return confirmation
+
+    def absolute_url(self):
+        return reverse('teacher_confirmation', args=(self.id, self.key))
+
+
 def exercise_checked_manually(exercise):
     return (exercise['type'] in ('open', 'file_upload')) or 'open_part' in exercise