time-based competition state + smart cache

[edumed.git] / wtem / models.py

diff --git a/wtem/models.py b/wtem/models.py
index 0c7f78a..390687f 100644 (file)
--- a/wtem/models.py
+++ b/wtem/models.py
@@ -1,33 +1,88 @@
+# -*- coding: utf-8 -*-

 import random
 import string
 import os
 import random
 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
 from django.core.exceptions import ValidationError
 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.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
 
 from contact.models import Contact
 
 f = file(os.path.dirname(__file__) + '/fixtures/exercises.json')
 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())
+exercises = json.loads(f.read())

 f.close()
 
 f.close()
 

-DEBUG_KEY = '12345'
+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]
+
+
+def make_key(length):
+    return ''.join(
+        random.choice(string.ascii_uppercase + string.ascii_lowercase + string.digits)
+        for i in range(length))
+
+
+def tuple2dt(time_tuple):
+    return tz.localize(datetime(*time_tuple))
+
+
+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)
+
+    start = tuple2dt(settings.OLIMPIADA_START)
+    end = tuple2dt(settings.OLIMPIADA_END)
+
+    @classmethod
+    def get_state(cls):
+        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):
 
 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={})
     marks = JSONField(default={})

-    examiners = models.ManyToManyField(User, null = True, blank = True)
-    end_time = models.CharField(max_length = 5, null = True, blank = True)
+    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))
 
     def __unicode__(self):
         return ', '.join((self.last_name, self.first_name, self.email))


@@ -36,22 +91,42 @@ class Submission(models.Model):
     def generate_key(cls):
         key = ''
         while not key or key in [record['key'] for record in cls.objects.values('key')]:
     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
         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(
         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,
+            random_seed=random.randint(-2147483648, 2147483647)

         )
 
         submission.save()
         return submission
 
         )
 
         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]
+        seeded_random = random.Random(self.random_seed)
+        seeded_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)
     def get_mark(self, user_id, exercise_id):
         mark = None
         user_id = str(user_id)


@@ -70,7 +145,6 @@ class Submission(models.Model):
         if mark == 'None':
             del self.marks[user_id][exercise_id]
 
         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():
     def get_exercise_marks_by_examiner(self, exercise_id):
         marks = dict()
         for examiner_id, examiner_marks in self.marks.items():


@@ -80,8 +154,7 @@ class Submission(models.Model):
         return marks
 
     def get_final_exercise_mark(self, exercise_id):
         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):
         if exercise_checked_manually(exercise):
             marks_by_examiner = self.get_exercise_marks_by_examiner(exercise_id)
             if len(marks_by_examiner):


@@ -91,7 +164,7 @@ class Submission(models.Model):
         else:
             if not self.answers:
                 return None
         else:
             if not self.answers:
                 return None

-            answer = simplejson.loads(self.answers)[exercise_id]['closed_part']
+            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
             t = exercise['type']
             if t == 'edumed_uporzadkuj':
                 return exercise['points'] if map(int, answer) == exercise['answer'] else 0


@@ -118,13 +191,15 @@ class Submission(models.Model):
                     if exercise.get('answer_mode', None) == 'all_or_nothing':
                         toret = exercise['points'] if map(int, answer) == exercise['answer'] else 0
                     else:
                     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']:
+                        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']):
                                 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':
                     if answer[idx] == 'true':
                         given = True
                     elif answer[idx] == 'false':


@@ -139,7 +214,7 @@ class Submission(models.Model):
     @property
     def final_result(self):
         final = 0
     @property
     def final_result(self):
         final = 0

-        #for exercise_id in map(str,range(1, len(exercises) + 1)):
+        # 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:
         for exercise_id in [str(x['id']) for x in exercises]:
             mark = self.get_final_exercise_mark(exercise_id)
             if mark is not None:


@@ -150,26 +225,77 @@ class Submission(models.Model):
     def final_result_as_string(self):
         return ('%.2f' % self.final_result).rstrip('0').rstrip('.')
 
     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)
 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')
+    file = models.FileField(upload_to='wtem/attachment')

 
 
 class Assignment(models.Model):
 
 
 class Assignment(models.Model):

-    user = models.ForeignKey(User, unique = True)
+    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'))
     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))
+        # for exercise in self.exercises:
+        #     if not isinstance(exercise, int) or exercise < 1:
+        #         raise ValidationError(_('Invalid exercise id: %s' % exercise))

 
     def __unicode__(self):
 
     def __unicode__(self):

-        return self.user.username + ': ' + ','.join(map(str,self.exercises))
+        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):
 
 
 def exercise_checked_manually(exercise):