Updated models to be more robust.

backend/postings/models.py

@@ -9,14 +9,24 @@ class RateableEntity(models.Model):
 class Review(models.Model):
 	# An integer rating in the domain [1, 5]
 	rating = models.IntegerField(default=1)
+	# A title for the review (brief summary of sentiment)
+	title = models.CharField(max_length=128)
 	# The textual content of the review.
 	content = models.TextField()
-	# An integer representing the number of times a user found this review helpful.
-	helpful_vote_count = models.IntegerField(default=1)
-	# An integer representing the number of times a user found this review unhelpful.
-	unhelpful_vote_count = models.IntegerField(default=1)
 	# A foreign key referencing the entity for which this review was made.
-	rateable_entity_id = models.ForeignKey('postings.RateableEntity', on_delete=models.CASCADE)
+	rateable_entity = models.ForeignKey('postings.RateableEntity', on_delete=models.CASCADE)
+	# The date and time at which this review was published.
+	created_date = models.DateTimeField(auto_now_add=True)
+	# The date and time at which the last modification to this review was published.
+	last_updated_date = models.DateTimeField(auto_now=True)
+
+# A vote for a review as either positive or negative.
+class ReviewHelpfulVote(models.Model):
+	# A reference to the review that this vote is for.
+	review = models.ForeignKey('postings.Review', on_delete=models.CASCADE)
+	# Whether or not the referenced review was helpful.
+	helpful = models.BooleanField()
+	# TODO: Add a reference to the user who voted. The whole purpose of a separate vote object is to track who votes for what.
 
 # A RateableEntity for universities.
 class University(RateableEntity):

frontpage/index2.html

@@ -184,7 +184,7 @@
 <!-- Handlebars templates -->
 <!-- TODO: Use a templating engine to automatically include all handlebars templates required for a certain page. -->
 <script id="review_item_handlebars" type="text/x-handlebars-template">
-    <div class="row" id="{{id}}">
+    <div class="row" id="{{pk}}">
         <div class="col-sm-3">
             <img src="http://dummyimage.com/60x60/666/ffffff&text=No+Image" class="img-rounded">
             <div class="review-block-name"><a href="#">{{username}}</a></div>