backend/RateMyCourse/urls.py

@@ -27,17 +27,11 @@ urlpatterns = [
     # /reviews routes to the endpoint for POSTing new reviews.
     path('reviews', views.post_review, name='post_review'),
 
-    # /universities routes to a list of universities.
-    path('universities', views.universities, name='universities_list'),
+    # /rateables routes to a list of all rateable items: courses and universities.
+    path('rateables', views.rateables, name='rateables'),
 
-    # /universities/<pk> routes to a specific university.
-    path('universities/<int:university_id>', views.university_entity, name='university entity'),
-
-    # /courses routes to a list of courses.
-    path('courses', views.courses, name='courses_list'),
-
-    # /courses/<pk> routes to a specific course.
-    path('courses/<int:course_id>', views.course_entity, name='course entity'),
+    # /rateables/<pk> routes to a specific rateable entity.
+    path('rateables/<int:entity_id>', views.rateable_entity, name='rateable_entity'),
 
     # static files (*.css, *.js, *.jpg etc.) served on /
     # (assuming Django uses /static/ and /media/ for static/media urls)

backend/postings/templates/postings/collections/courses.html

@@ -1,11 +0,0 @@
-{% extends "postings/collections/collection.html" %}
-
-{# Represents a list of university entities. #}
-
-{% block collection_name %}
-	<h2>Courses</h2>
-{% endblock %}
-
-{% block entity %}
-	<h3><a href="/courses/{{ entity.pk }}">{{ entity.name }}</a></h3>
-{% endblock %}

backend/postings/templates/postings/collections/universities.html

@@ -1,11 +0,0 @@
-{% extends "postings/collections/collection.html" %}
-
-{# Represents a list of university entities. #}
-
-{% block collection_name %}
-	<h2>Universities</h2>
-{% endblock %}
-
-{% block entity %}
-	<h3><a href="/universities/{{ entity.pk }}">{{ entity.name }}</a></h3>
-{% endblock %}

backend/postings/templates/postings/entity_pages/course.html

@@ -1,11 +0,0 @@
-{% extends "postings/entity_pages/entity.html" %}
-
-{% block entity_info %}
-	Taught at: <a href="/universities/{{ entity.taught_at_university.pk }}">{{ entity.taught_at_university.name }}</a>
-	<h4>Professors</h4>
-	<ul>
-		{% for professor in entity.professors.all %}
-			<li>{{ professor.name }}</li>
-		{% endfor %}
-	</ul>
-{% endblock %}

backend/postings/templates/postings/index.html

@@ -10,8 +10,8 @@
 			<button type="submit">Search</button>
 		</form>
 		<nav>
-			<a href="/universities">Universities</a>
-			<a href="/courses">Courses</a>
+			<a href="/rateables?type=university">Universities</a>
+			<a href="/rateables?type=course">Courses</a>
 		</nav>
 	</section>
 

backend/postings/templates/postings/rateables/course.html

@@ -0,0 +1,11 @@
+{% extends "postings/rateables/entity.html" %}
+
+{% block entity_info %}
+	Taught at: <a href="/rateables/{{ entity.taught_at_university.pk }}">{{ entity.taught_at_university.name }}</a>
+	<h4>Professors</h4>
+	<ul>
+		{% for professor in entity.professors.all %}
+			<li>{{ professor.name }}</li>
+		{% endfor %}
+	</ul>
+{% endblock %}

backend/postings/templates/postings/rateables/entities.html

@@ -10,9 +10,7 @@
 <ul>
 	{% for entity in entities %}
 		<li>
-			{% block entity %}
-				{{ entity.name }}
-			{% endblock %}
+			<a href="/rateables/{{ entity.pk }}">{{ entity.name }}</a>
 		</li>
 	{% endfor %}
 </ul>

backend/postings/templates/postings/rateables/entity.html

@@ -4,9 +4,10 @@
 
 {% block content %}
 
-<h2>Name: {{ entity.name }}</h2> Average rating: {{ entity.average_rating|floatformat:"-2" }}
+<h2>Name: {{ entity.name }} {{ entity.average }}</h2>
+<h3>Average rating: {{ entity.average_rating|floatformat:"-2" }}</h3>
 
-{# Child templates can redefine this block for displaying data pertaining to that specific entity. #}
+{# Depending on the type of entity, some detailed info is provided here. #}
 {% block entity_info %}
 {% endblock %}
 
@@ -16,8 +17,7 @@
 	<ul>
 	{% for review in entity.review_set.all %}
 		<li>
-			<h4>{{ review.title }}</h4> {{ review.rating }}
-			<p>{{ review.content }}
+			{% include "postings/rateables/review.html" with review=review only %}
 		</li>
 	{% endfor %}
 	</ul>

backend/postings/templates/postings/rateables/review.html

@@ -0,0 +1,7 @@
+{# Template for displaying one review. #}
+
+<h4>{{ review.title }}</h4>
+<i>Rating: {{ review.rating }}</i><br>
+<i>Posted on {{ review.created_date|date:"j M, Y" }}</i><br>
+
+<p>{{ review.content }}</p>

backend/postings/templates/postings/rateables/university.html

@@ -1,10 +1,10 @@
-{% extends "postings/entity_pages/entity.html" %}
+{% extends "postings/rateables/entity.html" %}
 
 {% block entity_info %}
 	<h4>Courses</h4>
 	<ul>
 		{% for course in entity.course_set.all %}
-			<li><a href="/courses/{{ course.pk }}">{{ course.name }}</a></li>
+			<li><a href="/rateables/{{ course.pk }}">{{ course.name }}</a></li>
 		{% endfor %}
 	</ul>
 	<h4>Professors</h4>

backend/postings/views.py

@@ -11,38 +11,43 @@ def index(request):
 	search_query = request.GET.get('search_query', None)
 	results = None
 	if search_query:
+		# Filter objects based on case-insensitive contains filter.
 		results = RateableEntity.objects.filter(name__icontains=search_query)
 
 	return render(request, 'postings/index.html', {'results': results})
 
-# The view for a listing of universities.
-def universities(request):
-	universities_list = University.objects.all()
-	context = {'entities': universities_list}
-	return render(request, 'postings/collections/universities.html', context)
+# The view for listing all rateable entities.
+def rateables(request):
+	entity_type = request.GET.get('type', None)
+	entities = None
+	if entity_type == "university":
+		entities = University.objects.all()
+	elif entity_type == "course":
+		entities = Course.objects.all()
+	else:
+		entities = RateableEntity.objects.all()
+	return render(request, "postings/rateables/entities.html", {'entities': entities})
 
-# The view for /universities/<pk> Displays one university entity.
-def university_entity(request, university_id):
+# The view for any rateable entity.
+def rateable_entity(request, entity_id):
 	try:
-		university = University.objects.get(pk=university_id)
-		university.average_rating = university.getAverageRating()
-	except University.DoesNotExist:
-		raise Http404("University does not exist")
-	return render(request, 'postings/entity_pages/university.html', {'entity': university})
+		entity = RateableEntity.objects.get(pk=entity_id)
 
-# The view for a listing of courses.
-def courses(request):
-	courses_list = Course.objects.all()
-	context = {'entities': courses_list}
-	return render(request, 'postings/collections/courses.html', context)
+		# Try and get a more specific entity type from what is provided.
+		if entity.entity_type == RateableEntity.UNIVERSITY:
+			entity = University.objects.get(pk=entity.pk)
+			template = "university.html"
+		elif entity.entity_type == RateableEntity.COURSE:
+			entity = Course.objects.get(pk=entity.pk)
+			template = "course.html"
 
-# The view for a specific course entity.
-def course_entity(request, course_id):
-	try:
-		course = Course.objects.get(pk=course_id)
-	except Course.DoesNotExist:
-		raise Http404("Course does not exist")
-	return render(request, 'postings/entity_pages/course.html', {'entity': course})
+		# Set any auxiliary variables needed, like average rating.
+		# This MUST be done after categorizing the object above.
+		entity.average_rating = entity.getAverageRating()
+
+	except RateableEntity.DoesNotExist:
+		raise Http404("RateableEntity with id " + str(entity_id) + " does not exist.")
+	return render(request, "postings/rateables/" + template, {'entity': entity})
 
 # The view for receiving POST requests for new reviews.
 def post_review(request):
@@ -54,7 +59,10 @@ def post_review(request):
 			title = form.cleaned_data['title']
 			content = form.cleaned_data['content']
 			entity_id = form.cleaned_data['entity_id']
+			try:
 				entity = RateableEntity.objects.get(pk=entity_id)
+			except RateableEntity.DoesNotExist:
+				raise HttpResponseBadRequest("Bad Request: Invalid entity id.")
 
 			# Creates the new Review object from the posted data.
 			review = Review.objects.create(
@@ -65,11 +73,6 @@ def post_review(request):
 			)
 
 			# Send the user back to the entity they were viewing.
-			redirect_path = '/'
-			if entity.entity_type == RateableEntity.UNIVERSITY:
-				redirect_path = '/universities/' + str(entity_id)
-			elif entity.entity_type == RateableEntity.COURSE:
-				redirect_path = '/courses/' + str(entity_id)
-			return HttpResponseRedirect(redirect_path)
+			return HttpResponseRedirect('/rateables/' + str(entity_id))
 
 	return HttpResponseBadRequest("Bad Request")