style user model

app/models/user.rb

@@ -104,18 +104,14 @@ class User < ApplicationRecord
     lo
   end
 
-
   def own_reviews
-    reviews = Review.where(user_id: id)
+    Review.where(user_id: id)
   end
 
   def received_reviews
-
-    #reviews = LearningObject.joins(:reviews).where(publisher_id: id)
-
-    reviews = Review.joins("INNER JOIN learning_objects ON " +
-                              "learning_objects.publisher_id = #{id} AND " +
-                              "reviews.reviewable_id = learning_objects.id")
+    Review.joins('INNER JOIN learning_objects ON ' \
+                  "learning_objects.publisher_id = #{id} AND " \
+                  'reviews.reviewable_id = learning_objects.id')
   end
 
   # ~~~~ followable actions ~~~~ #