Like counter for threads impl

coursebook/urls.py

@@ -35,6 +35,8 @@ urlpatterns = [
     path('withdraw_subject/<str:sub_code>', views.withdraw_subject),
     path('topics/<str:id>', views.show_topics),
     path('threads/<int:id>', views.show_threads),
+    path('threads/like/<int:thread_id>/<int:topic_id>', views.update_thread_like_count),
+    path('threads/dislike/<int:thread_id>/<int:topic_id>', views.update_thread_dislike_count),
 
     path('login', views.login),
     path('signup', views.signup),

discussion/models.py

@@ -68,7 +68,7 @@ class Like(models.Model):
     is_liked = models.BooleanField(default=True) 
 
     def __str__(self):
-        return self.tid
+        return str(self.id)
 
     class Meta:  
         db_table = "like"
\ No newline at end of file

discussion/templates/discussion_thread.html

@@ -20,10 +20,10 @@
                 
             </div>
 
-            <div class="btn-panel btn-panel-msg">
+            <!-- <div class="btn-panel btn-panel-msg">
 
                 <a href="" class="btn  col-sm-3  send-message-btn pull-right" role="button"><i class="fa fa-gears"></i> Settings</a>
-            </div>
+            </div> -->
         </div>
     </div>
     <div class="row">
@@ -49,9 +49,13 @@
                         <div class="msg-footer-link col-sm-6 col-lg-4">
                             <!-- <a><div class="col-sm-4 col-lg-4 fa fa-comment"><span> </span>Reply <span>999</span></div></a> -->
                             <!-- <div class="col-sm-1">|</div> -->
-                            <a><div class="col-sm-4 col-lg-4 fa fa-thumbs-up"><span> </span>Agree <span>{{thread.likes}}</span></div></a>
+                            <a href="/threads/like/{{thread.id}}/{{topic_id}}">
+                                <div class="col-sm-4 col-lg-4 fa fa-thumbs-up"><span> </span>Agree <span>{{thread.likes}}</span></div>
+                            </a>
                             <!-- <div class="col-sm-1">|</div> -->
-                            <a><div class="col-sm-4 col-lg-4 fa fa-thumbs-down"><span> </span>Disagree <span>{{thread.dislikes}}</span></div></a>
+                            <a href="/threads/dislike/{{thread.id}}/{{topic_id}}">
+                                <div class="col-sm-4 col-lg-4 fa fa-thumbs-down"><span> </span>Disagree <span>{{thread.dislikes}}</span></div>
+                            </a>
                         </div>
                     </div>
                 {% endfor %}  

discussion/views.py

 from django.shortcuts import render, redirect  
 from discussion.forms import  ThreadForm, TopicForm, SignupForm, SubjectForm, LoginForm
-from discussion.models import  Subject_Student, Person, Subject, Topic, Thread, Person
+from discussion.models import  Subject_Student, Person, Subject, Topic, Thread, Person, Like
 
 def login(request):
 	invalid_user = False
@@ -279,3 +279,61 @@ def show_threads(request, id):
 		return render(request,'prof_discussion_threads.html',{'form':form, 'topic_id':id, 'threads':threads, 'context':context, 'is_prof':is_prof}) 
 	else:
 		return render(request,'discussion_thread.html',{'form':form, 'topic_id':id, 'threads':threads, 'context':context, 'is_prof':is_prof}) 
+
+def update_thread_like_count(request, thread_id, topic_id):
+	context  = request.session['session_context']
+	try:
+		thread = Thread.objects.get(id=thread_id)
+		person = Person.objects.get(pid=context)
+	except Exception as e:
+		print (e)
+		return redirect('/threads/'+str(topic_id))
+
+	try:
+		like = Like.objects.get(thread=thread, person=person)
+		if like.is_liked == False :
+			like.is_liked = True
+			like.save()
+			thread.likes = thread.likes + 1
+			thread.dislikes = thread.dislikes - 1
+			thread.save()
+		else:
+			pass
+	except:
+		like = Like(thread=thread, person=person, is_liked = True)
+		like.save()
+		thread.likes = thread.likes + 1
+		thread.save()
+
+
+	return redirect('/threads/'+str(topic_id))
+
+
+
+def update_thread_dislike_count(request, thread_id, topic_id):
+	context  = request.session['session_context']
+	try:
+		thread = Thread.objects.get(id=thread_id)
+		person = Person.objects.get(pid=context)
+	except Exception as e:
+		print (e)
+		return redirect('/threads/'+str(topic_id))
+
+	try:
+		like = Like.objects.get(thread=thread, person=person)
+		if like.is_liked == True :
+			like.is_liked = False
+			like.save()
+			thread.likes = thread.likes - 1
+			thread.dislikes = thread.dislikes + 1
+			thread.save()
+		else:
+			pass
+	except:
+		like = Like(thread=thread, person=person, is_liked = False)
+		like.save()
+		thread.dislikes = thread.dislikes + 1
+		thread.save()
+
+
+	return redirect('/threads/'+str(topic_id))