X-Git-Url: https://git.mdrn.pl/edumed.git/blobdiff_plain/4b2479a67217baa238beb0b407a63ff1025b09f1..3f387ec5d75ff85576e87649427cbdc1f14a95b8:/wtem/models.py

diff --git a/wtem/models.py b/wtem/models.py
index 361bff3..6440e70 100644
--- a/wtem/models.py
+++ b/wtem/models.py
@@ -4,9 +4,14 @@ import string
 import os
 import json
 
+from django.core.validators import validate_email
 from django.db import models
 from django.contrib.auth.models import User
 from django.core.exceptions import ValidationError
+from django.core.mail import send_mail
+from django.core.urlresolvers import reverse
+from django.template.loader import render_to_string
+from django.utils import timezone
 from django.utils.translation import ugettext as _
 from jsonfield import JSONField
 
@@ -16,7 +21,34 @@ f = file(os.path.dirname(__file__) + '/fixtures/exercises.json')
 exercises = json.loads(f.read())
 f.close()
 
-DEBUG_KEY = '12345'
+DEBUG_KEY = 'smerfetka159'
+
+
+def get_exercise_by_id(exercise_id):
+    return [e for e in exercises if str(e['id']) == str(exercise_id)][0]
+
+
+def make_key(length):
+    return ''.join(
+        random.choice(string.ascii_uppercase + string.ascii_lowercase + string.digits)
+        for i in range(length))
+
+
+class CompetitionState(models.Model):
+    """singleton"""
+    BEFORE = 'before'
+    DURING = 'during'
+    AFTER = 'after'
+    STATE_CHOICES = (
+        (BEFORE, u'przed rozpoczęciem'),
+        (DURING, u'w trakcie'),
+        (AFTER, u'po zakończeniu'),
+    )
+    state = models.CharField(choices=STATE_CHOICES, max_length=16)
+
+    @classmethod
+    def get_state(cls):
+        return cls.objects.get().state
 
 
 class Submission(models.Model):
@@ -30,6 +62,7 @@ class Submission(models.Model):
     marks = JSONField(default={})
     examiners = models.ManyToManyField(User, null=True, blank=True)
     end_time = models.CharField(max_length=5, null=True, blank=True)
+    random_seed = models.IntegerField()
 
     def __unicode__(self):
         return ', '.join((self.last_name, self.first_name, self.email))
@@ -38,8 +71,7 @@ class Submission(models.Model):
     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 = make_key(30)
         return key
 
     @classmethod
@@ -49,12 +81,32 @@ class Submission(models.Model):
             key=key if key else Submission.generate_key(),
             first_name=first_name,
             last_name=last_name,
-            email=email
+            email=email,
+            random_seed=random.randint(-2147483648, 2147483647)
         )
 
         submission.save()
         return submission
 
+    def competition_link(self):
+        return reverse('form_single', kwargs={'submission_id': self.id, 'key': self.key})
+
+    def get_answers(self):
+        return json.loads(self.answers) if self.answers else {}
+
+    def shuffled_exercise_ids(self):
+        exercise_ids = [e['id'] for e in exercises]
+        random.seed(self.random_seed)
+        random.shuffle(exercise_ids)
+        return exercise_ids
+
+    def current_exercise(self):
+        answers = self.get_answers()
+        for i, id in enumerate(self.shuffled_exercise_ids(), 1):
+            if str(id) not in answers:
+                return i, get_exercise_by_id(id)
+        return None, None
+
     def get_mark(self, user_id, exercise_id):
         mark = None
         user_id = str(user_id)
@@ -82,8 +134,7 @@ class Submission(models.Model):
         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]
+        exercise = get_exercise_by_id(exercise_id)
         if exercise_checked_manually(exercise):
             marks_by_examiner = self.get_exercise_marks_by_examiner(exercise_id)
             if len(marks_by_examiner):
@@ -127,6 +178,8 @@ class Submission(models.Model):
             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':
@@ -175,5 +228,55 @@ class Assignment(models.Model):
         return self.user.username + ': ' + ','.join(map(str, self.exercises))
 
 
+class Confirmation(models.Model):
+    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']
+
+    @classmethod
+    def create(cls, first_name, last_name, email, contact=None, key=None):
+        confirmation = cls(
+            contact=contact,
+            key=key if key else make_key(30),
+            first_name=first_name,
+            last_name=last_name,
+            email=email
+        )
+
+        confirmation.save()
+        return confirmation
+
+    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(
+            'contact/olimpiada/student_mail_body.html', {'confirmation': self})
+        try:
+            validate_email(self.email)
+        except ValidationError:
+            pass
+        else:
+            send_mail(mail_subject, mail_body, 'olimpiada@nowoczesnapolska.org.pl', [self.email],
+                      fail_silently=True)
+
+
 def exercise_checked_manually(exercise):
     return (exercise['type'] in ('open', 'file_upload')) or 'open_part' in exercise