Fix lint errors

app/controllers/discover_controller.rb

@@ -8,8 +8,8 @@ class DiscoverController < ApplicationController
 
     top_x = 10  # only display the top X items
 
-    @popular_answers = Answer.for_user(current_user).where("created_at > ?", Time.now.ago(1.week)).order(:smile_count).reverse_order.limit(top_x).includes(:question, :user, :comments)
-    @most_discussed = Answer.for_user(current_user).where("created_at > ?", Time.now.ago(1.week)).order(:comment_count).reverse_order.limit(top_x).includes(:question, :user, :comments)
+    @popular_answers = Answer.for_user(current_user).where("created_at > ?", Time.now.utc.ago(1.week)).order(:smile_count).reverse_order.limit(top_x).includes(:question, :user, :comments)
+    @most_discussed = Answer.for_user(current_user).where("created_at > ?", Time.now.utc.ago(1.week)).order(:comment_count).reverse_order.limit(top_x).includes(:question, :user, :comments)
     @popular_questions = Question.where("created_at > ?", Time.now.ago(1.week)).order(:answer_count).reverse_order.limit(top_x).includes(:user)
     @new_users = User.where("asked_count > 0").order(:id).reverse_order.limit(top_x).includes(:profile)
 
@@ -25,7 +25,7 @@ class DiscoverController < ApplicationController
     # .user = the user
     # .answer_count = how many questions did the user answer
     @users_with_most_answers = Answer.select('user_id, COUNT(*) AS answer_count').
-        where("created_at > ?", Time.now.ago(1.week)).
+        where("created_at > ?", week_ago).
         group(:user_id).
         order('answer_count').
         reverse_order.limit(top_x)

app/models/answer.rb

@@ -27,7 +27,8 @@ class Answer < ApplicationRecord
               FROM reactions
               WHERE parent_id = answers.id
                 AND parent_type = 'Answer'
-                AND user_id = #{current_user.id}) as has_reacted")
+                AND user_id = #{current_user.id}) as has_reacted",
+           )
   }
 
   SHORT_ANSWER_MAX_LENGTH = 640