Authentication - Rewrite Show views to use django user model

Show/templates/episode.html

@@ -30,7 +30,7 @@
 </section>
 <section class="submissions">
 	<a href="/show/{{show.abbr}}" class="button"><i class="fa fa-fw fa-home"></i>&nbsp;Show Index</a>
-	{% if request.session.user_id %}
+	{% if user.is_authenticated %}
 	<a href="/show/{{show.abbr}}/episode/{{episode.season.number}}/{{episode.episode}}/submit" class="button"><i class="fa fa-fw fa-plus"></i>&nbsp;Submit New Link</a>
 	{% else %}
 	<span class="fillertext"><a href="/login">Log in</a> to submit a link</span>

Show/views.py

@@ -2,11 +2,13 @@ from django.template import RequestContext
 from django.shortcuts import render
 from django.views import View
 from django.views.generic.base import TemplateView
+from django.contrib.auth.decorators import login_required
 from django.conf import settings
 from django.http import Http404
 from django.http import HttpResponse
 from django.http import HttpResponseRedirect
 from django.db.models import Case, When, Value, IntegerField, Count, F
+from django.contrib.auth.mixins import LoginRequiredMixin
 
 from LandingPage.models import User
 from LandingPage.models import Show
@@ -85,15 +87,11 @@ class EpisodeView(TemplateView):
         return ctx
 
 # Submission form GET and POST
+@login_required
 def SubmissionForm(req, abbreviation, season, episode):
     show = Show.objects.get(abbr=abbreviation)
     episode = Episode.objects.filter(show=show,season__number=season,episode=episode).first()
-
-    # Check for login status
-    if not 'user_id' in req.session:
-        return HttpResponse('<h1>Error</h1><p>You need to be logged in to submit. Please <a href=/login>log in</a></p>', status=400)
-
-    user = User.objects.get(user_id=req.session['user_id'])
+    user = req.user
 
     # 404's
     if not show:
@@ -144,16 +142,12 @@ def SubmissionForm(req, abbreviation, season, episode):
 
 # Vote request
 # /show/{{abbr}}/vote/{{submission id}}/{{positive == 1}}
-class SubmissionVoteSubmit(View):
+class SubmissionVoteSubmit(LoginRequiredMixin, View):
     def post (self, req, abbreviation, subid, positive):
         # Convert positive parameter into a boolean
         pos_bool = int(positive) == 1
 
-        # Check for login status
-        if not 'user_id' in req.session:
-            return HttpResponse('<h1>Error</h1><p>You need to be logged in to vote.  Please <a href=/login>log in</a></p>', status=400)
-
-        user = User.objects.get(user_id=req.session['user_id'])
+        user = req.user
 
         # Get the submission from the database
         submission = Submission.objects.filter(id=subid).first()