Question Paper generator changes

5 files changed, 119 insertions, 205 deletions

diff --git a/testapp/exam/migrations/0001_initial.py b/testapp/exam/migrations/0001_initial.py
deleted file mode 100644
index 49048cc..0000000
--- a/testapp/exam/migrations/0001_initial.py
+++ /dev/null
@@ -1,193 +0,0 @@
-# encoding: utf-8
-import datetime
-from south.db import db
-from south.v2 import SchemaMigration
-from django.db import models
-
-class Migration(SchemaMigration):
-
-    def forwards(self, orm):
-        
-        # Adding model 'Profile'
-        db.create_table('exam_profile', (
-            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
-            ('user', self.gf('django.db.models.fields.related.OneToOneField')(to=orm['auth.User'], unique=True)),
-            ('roll_number', self.gf('django.db.models.fields.CharField')(max_length=20)),
-            ('institute', self.gf('django.db.models.fields.CharField')(max_length=128)),
-            ('department', self.gf('django.db.models.fields.CharField')(max_length=64)),
-            ('position', self.gf('django.db.models.fields.CharField')(max_length=64)),
-        ))
-        db.send_create_signal('exam', ['Profile'])
-
-        # Adding model 'Question'
-        db.create_table('exam_question', (
-            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
-            ('summary', self.gf('django.db.models.fields.CharField')(max_length=256)),
-            ('description', self.gf('django.db.models.fields.TextField')()),
-            ('points', self.gf('django.db.models.fields.FloatField')(default=1.0)),
-            ('test', self.gf('django.db.models.fields.TextField')(blank=True)),
-            ('options', self.gf('django.db.models.fields.TextField')(blank=True)),
-            ('type', self.gf('django.db.models.fields.CharField')(max_length=24)),
-            ('active', self.gf('django.db.models.fields.BooleanField')(default=True)),
-        ))
-        db.send_create_signal('exam', ['Question'])
-
-        # Adding model 'Answer'
-        db.create_table('exam_answer', (
-            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
-            ('question', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['exam.Question'])),
-            ('answer', self.gf('django.db.models.fields.TextField')()),
-            ('error', self.gf('django.db.models.fields.TextField')()),
-            ('marks', self.gf('django.db.models.fields.FloatField')(default=0.0)),
-            ('correct', self.gf('django.db.models.fields.BooleanField')(default=False)),
-        ))
-        db.send_create_signal('exam', ['Answer'])
-
-        # Adding model 'Quiz'
-        db.create_table('exam_quiz', (
-            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
-            ('start_date', self.gf('django.db.models.fields.DateField')()),
-            ('duration', self.gf('django.db.models.fields.IntegerField')(default=20)),
-            ('active', self.gf('django.db.models.fields.BooleanField')(default=True)),
-            ('description', self.gf('django.db.models.fields.CharField')(max_length=256)),
-        ))
-        db.send_create_signal('exam', ['Quiz'])
-
-        # Adding model 'QuestionPaper'
-        db.create_table('exam_questionpaper', (
-            ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
-            ('user', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['auth.User'])),
-            ('profile', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['exam.Profile'])),
-            ('quiz', self.gf('django.db.models.fields.related.ForeignKey')(to=orm['exam.Quiz'])),
-            ('start_time', self.gf('django.db.models.fields.DateTimeField')()),
-            ('user_ip', self.gf('django.db.models.fields.CharField')(max_length=15)),
-            ('key', self.gf('django.db.models.fields.CharField')(max_length=10)),
-            ('active', self.gf('django.db.models.fields.BooleanField')(default=True)),
-            ('questions', self.gf('django.db.models.fields.CharField')(max_length=128)),
-            ('questions_answered', self.gf('django.db.models.fields.CharField')(max_length=128)),
-            ('comments', self.gf('django.db.models.fields.TextField')()),
-        ))
-        db.send_create_signal('exam', ['QuestionPaper'])
-
-        # Adding M2M table for field answers on 'QuestionPaper'
-        db.create_table('exam_questionpaper_answers', (
-            ('id', models.AutoField(verbose_name='ID', primary_key=True, auto_created=True)),
-            ('questionpaper', models.ForeignKey(orm['exam.questionpaper'], null=False)),
-            ('answer', models.ForeignKey(orm['exam.answer'], null=False))
-        ))
-        db.create_unique('exam_questionpaper_answers', ['questionpaper_id', 'answer_id'])
-
-
-    def backwards(self, orm):
-        
-        # Deleting model 'Profile'
-        db.delete_table('exam_profile')
-
-        # Deleting model 'Question'
-        db.delete_table('exam_question')
-
-        # Deleting model 'Answer'
-        db.delete_table('exam_answer')
-
-        # Deleting model 'Quiz'
-        db.delete_table('exam_quiz')
-
-        # Deleting model 'QuestionPaper'
-        db.delete_table('exam_questionpaper')
-
-        # Removing M2M table for field answers on 'QuestionPaper'
-        db.delete_table('exam_questionpaper_answers')
-
-
-    models = {
-        'auth.group': {
-            'Meta': {'object_name': 'Group'},
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '80'}),
-            'permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'})
-        },
-        'auth.permission': {
-            'Meta': {'ordering': "('content_type__app_label', 'content_type__model', 'codename')", 'unique_together': "(('content_type', 'codename'),)", 'object_name': 'Permission'},
-            'codename': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'content_type': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['contenttypes.ContentType']"}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '50'})
-        },
-        'auth.user': {
-            'Meta': {'object_name': 'User'},
-            'date_joined': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'email': ('django.db.models.fields.EmailField', [], {'max_length': '75', 'blank': 'True'}),
-            'first_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'groups': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Group']", 'symmetrical': 'False', 'blank': 'True'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'is_active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'is_staff': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'is_superuser': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'last_login': ('django.db.models.fields.DateTimeField', [], {'default': 'datetime.datetime.now'}),
-            'last_name': ('django.db.models.fields.CharField', [], {'max_length': '30', 'blank': 'True'}),
-            'password': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'user_permissions': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['auth.Permission']", 'symmetrical': 'False', 'blank': 'True'}),
-            'username': ('django.db.models.fields.CharField', [], {'unique': 'True', 'max_length': '30'})
-        },
-        'contenttypes.contenttype': {
-            'Meta': {'ordering': "('name',)", 'unique_together': "(('app_label', 'model'),)", 'object_name': 'ContentType', 'db_table': "'django_content_type'"},
-            'app_label': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'model': ('django.db.models.fields.CharField', [], {'max_length': '100'}),
-            'name': ('django.db.models.fields.CharField', [], {'max_length': '100'})
-        },
-        'exam.answer': {
-            'Meta': {'object_name': 'Answer'},
-            'answer': ('django.db.models.fields.TextField', [], {}),
-            'correct': ('django.db.models.fields.BooleanField', [], {'default': 'False'}),
-            'error': ('django.db.models.fields.TextField', [], {}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'marks': ('django.db.models.fields.FloatField', [], {'default': '0.0'}),
-            'question': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['exam.Question']"})
-        },
-        'exam.profile': {
-            'Meta': {'object_name': 'Profile'},
-            'department': ('django.db.models.fields.CharField', [], {'max_length': '64'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'institute': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'position': ('django.db.models.fields.CharField', [], {'max_length': '64'}),
-            'roll_number': ('django.db.models.fields.CharField', [], {'max_length': '20'}),
-            'user': ('django.db.models.fields.related.OneToOneField', [], {'to': "orm['auth.User']", 'unique': 'True'})
-        },
-        'exam.question': {
-            'Meta': {'object_name': 'Question'},
-            'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'description': ('django.db.models.fields.TextField', [], {}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'options': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'points': ('django.db.models.fields.FloatField', [], {'default': '1.0'}),
-            'summary': ('django.db.models.fields.CharField', [], {'max_length': '256'}),
-            'test': ('django.db.models.fields.TextField', [], {'blank': 'True'}),
-            'type': ('django.db.models.fields.CharField', [], {'max_length': '24'})
-        },
-        'exam.questionpaper': {
-            'Meta': {'object_name': 'QuestionPaper'},
-            'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'answers': ('django.db.models.fields.related.ManyToManyField', [], {'to': "orm['exam.Answer']", 'symmetrical': 'False'}),
-            'comments': ('django.db.models.fields.TextField', [], {}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'key': ('django.db.models.fields.CharField', [], {'max_length': '10'}),
-            'profile': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['exam.Profile']"}),
-            'questions': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'questions_answered': ('django.db.models.fields.CharField', [], {'max_length': '128'}),
-            'quiz': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['exam.Quiz']"}),
-            'start_time': ('django.db.models.fields.DateTimeField', [], {}),
-            'user': ('django.db.models.fields.related.ForeignKey', [], {'to': "orm['auth.User']"}),
-            'user_ip': ('django.db.models.fields.CharField', [], {'max_length': '15'})
-        },
-        'exam.quiz': {
-            'Meta': {'object_name': 'Quiz'},
-            'active': ('django.db.models.fields.BooleanField', [], {'default': 'True'}),
-            'description': ('django.db.models.fields.CharField', [], {'max_length': '256'}),
-            'duration': ('django.db.models.fields.IntegerField', [], {'default': '20'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
-            'start_date': ('django.db.models.fields.DateField', [], {})
-        }
-    }
-
-    complete_apps = ['exam']
diff --git a/testapp/exam/migrations/__init__.py b/testapp/exam/migrations/__init__.py
deleted file mode 100644
index e69de29..0000000
--- a/testapp/exam/migrations/__init__.py
+++ /dev/null
diff --git a/testapp/exam/models.py b/testapp/exam/models.py
index da45e7d..ad3dad8 100644
--- a/testapp/exam/models.py
+++ b/testapp/exam/models.py
@@ -105,9 +105,13 @@ class Quiz(models.Model):
         desc = self.description or 'Quiz'
         return '%s: on %s for %d minutes'%(desc, self.start_date, self.duration)
 
-    
 ################################################################################
 class QuestionPaper(models.Model):
+    quiz = models.ForeignKey(Quiz)
+    questions = models.ManyToManyField(Question)
+    
+################################################################################
+class AnswerPaper(models.Model):
     """A question paper for a student -- one per student typically.
     """
     # The user taking this question paper.
@@ -118,21 +122,14 @@ class QuestionPaper(models.Model):
     profile = models.ForeignKey(Profile)
     
     # The Quiz to which this question paper is attached to.
-    quiz = models.ForeignKey(Quiz)
+    question_paper = models.ForeignKey(QuestionPaper)
     
     # The time when this paper was started by the user.
     start_time = models.DateTimeField()
     
     # User's IP which is logged.
     user_ip = models.CharField(max_length=15)
-    # Unused currently.
-    key = models.CharField(max_length=10)
 
-    # used to allow/stop a user from retaking the question paper.
-    active = models.BooleanField(default = True)
-    
-    # The questions (a list of ids separated by '|')
-    questions = models.CharField(max_length=128)
     # The questions successfully answered (a list of ids separated by '|')
     questions_answered = models.CharField(max_length=128)
     
diff --git a/testapp/exam/urls.py b/testapp/exam/urls.py
index f435e63..4651204 100644
--- a/testapp/exam/urls.py
+++ b/testapp/exam/urls.py
@@ -24,9 +24,15 @@ urlpatterns = patterns('exam.views',
     url(r'^manage/questions/$', 'show_all_questions'),
     url(r'^manage/showquiz/$','show_all_quiz'),   
     url(r'^manage/monitor/$', 'monitor'),
+    url(r'^manage/showquestionpapers/$','show_all_questionpapers'),  
+    url(r'^manage/showquestionpapers/(?P<questionpaper_id>\d+)/$', 'show_all_questionpapers'),
     url(r'^manage/monitor/(?P<quiz_id>\d+)/$', 'monitor'),    
     url(r'^manage/user_data/(?P<username>[a-zA-Z0-9_.]+)/$', 'user_data'),
-
+    url(r'^manage/designquestionpaper/$','design_questionpaper'),
+    url(r'^manage/designquestionpaper/(?P<questionpaper_id>\d+)/$', 'design_questionpaper'),
+    url(r'^manage/designquestionpaper/automatic/(?P<questionpaper_id>\d+)/$','automatic_questionpaper'),
+    url(r'^manage/designquestionpaper/automatic$','automatic_questionpaper'),
+    url(r'^manage/designquestionpaper/manual$','manual_questionpaper'),
 
 )
 
diff --git a/testapp/exam/views.py b/testapp/exam/views.py
index 5b980f5..464bc3c 100644
--- a/testapp/exam/views.py
+++ b/testapp/exam/views.py
@@ -11,7 +11,8 @@ from django.shortcuts import render_to_response, get_object_or_404, redirect
 from django.template import RequestContext
 from django.http import Http404
 from django.db.models import Sum
-
+from taggit.models import Tag
+from itertools import chain
 # Local imports.
 from exam.models import Quiz, Question, QuestionPaper, Profile, Answer, User
 from exam.forms import UserRegisterForm, UserLoginForm, QuizForm , QuestionForm
@@ -20,6 +21,8 @@ from settings import URL_ROOT
 
 # The directory where user data can be saved.
 OUTPUT_DIR = abspath(join(dirname(__file__), pardir, 'output'))
+set1 = set()
+set2 = set()
 
 def my_redirect(url):
     """An overridden redirect to deal with URL_ROOT-ing.  See settings.py 
@@ -245,7 +248,7 @@ def add_quiz(request,quiz_id=None):
                 for tag in tags:
                     tag = tag.strip()
                     quiz.tags.add(tag)
-                return my_redirect("/exam/manage/showquiz")
+                return my_redirect("/exam/manage/designquestionpaper")
             else:
                 d = Quiz.objects.get(id=quiz_id)
                 d.start_date = form['start_date'].data
@@ -291,6 +294,107 @@ def add_quiz(request,quiz_id=None):
             return my_render_to_response('exam/add_quiz.html',{'form':form},context_instance=RequestContext(request))	
 
 
+def design_questionpaper(request,questionpaper_id=None):
+    user=request.user
+    if not user.is_authenticated() or user.groups.filter(name='moderator').count() == 0 :
+        raise Http404('You are not allowed to view this page!')
+    return my_render_to_response('exam/add_questionpaper.html',{},context_instance=RequestContext(request))
+    
+        
+def show_all_questionpapers(request,questionpaper_id=None):
+    user=request.user
+    if not user.is_authenticated() or user.groups.filter(name='moderator').count() == 0 :
+        raise Http404('You are not allowed to view this page!')
+
+    if request.method=="POST" and request.POST.get('add') == "add":
+        return my_redirect("/exam/manage/designquestionpaper/" + questionpaper_id)
+    
+    if questionpaper_id == None:
+        qu_papers = QuestionPaper.objects.all()
+        context = {'papers':qu_papers}
+        return my_render_to_response('exam/showquestionpapers.html',context,context_instance=RequestContext(request))
+    else:
+        qu_papers = QuestionPaper.objects.get(id=questionpaper_id)
+        quiz = qu_papers.quiz
+        questions = qu_papers.questions.all()
+        q = []
+        for i in questions:
+            q.append(i)
+        context = {'papers':{'quiz':quiz,'questions':q}}
+        return my_render_to_response('exam/editquestionpaper.html',context,context_instance=RequestContext(request))
+
+
+def automatic_questionpaper(request,questionpaper_id=None):
+
+    user=request.user
+    global set1
+    global set2
+    if not user.is_authenticated() or user.groups.filter(name='moderator').count() == 0 :
+        raise Http404('You are not allowed to view this page!')
+
+    if questionpaper_id == None:
+        if request.method=="POST":
+            if request.POST.get('save') == 'save' :
+                quiz = Quiz.objects.order_by("-id")[0]
+                quest_paper = QuestionPaper()
+                quest_paper.quiz = quiz
+                quest_paper.save()
+                for i in set2:
+                    print str(i.id) + "   " + i.summary
+                    q = Question.objects.get(summary=i)
+                    quest_paper.questions.add(q)
+                return my_redirect('/exam/manage/showquiz')
+            else:
+                set1 = set()
+                set2 = set()
+                no_questions = int(request.POST.get('questions'))
+                first_tag = request.POST.get('first_tag')
+                first_condition = request.POST.get('first_condition')
+                second_tag =  request.POST.get('second_tag')
+                second_condition = request.POST.get('second_condition')
+                third_tag = request.POST.get('third_tag')
+                question1 = set(Question.objects.filter(tags__name__in=[first_tag]))
+                question2 = set(Question.objects.filter(tags__name__in=[second_tag]))
+                question3 = set(Question.objects.filter(tags__name__in=[third_tag]))
+                if first_condition == 'and':
+                    set1 = question1.intersection(question2)
+                    if second_condition == 'and':
+                        set2 = set1.intersection(question3)
+                    else:
+                        set2 = set1.union(question3)
+                else:
+                    set1 = question1.union(question2)
+                    if second_condition == 'and':
+                        set2 = set1.intersection(question3)
+                    else:
+                        set2 = set1.union(question3)
+                n = len(set2)
+                msg = ''
+                if (no_questions < n ) :
+                    i = n - no_questions
+                    for i in range(0,i):
+                        set2.pop()
+                elif( no_questions > n):
+                    msg = 'The given Criteria does not satisfy the number of Questions...'
+                tags = Tag.objects.all()
+                context = {'data':{'questions':set2,'tags':tags,'msg':msg}}
+                return my_render_to_response('exam/automatic_questionpaper.html',context,context_instance=RequestContext(request))
+        else:
+            tags = Tag.objects.all()
+            context = {'data':{'tags':tags}}
+            return my_render_to_response('exam/automatic_questionpaper.html',context,context_instance=RequestContext(request))
+
+    else:
+        return HttpResponse("eni mane pochi gaya ayan... ")
+
+def manual_questionpaper(request):
+    user=request.user
+    if not user.is_authenticated() or user.groups.filter(name='moderator').count() == 0 :
+        raise Http404('You are not allowed to view this page!')
+    return my_render_to_response('exam/manual_questionpaper.html',{},context_instance=RequestContext(request))
+
+
+
 def prof_manage(request):
     """Take credentials of the user with professor/moderator rights/permissions and log in."""