expose page & total count of entries in PostHistory controller

Author: Oaphi

app/controllers/post_history_controller.rb

@@ -6,9 +6,16 @@ def post
       return not_found
     end
 
-    @history = PostHistory.where(post_id: params[:id])
-                          .includes(:post_history_type, :user, post_history_tags: [:tag])
-                          .order(created_at: :desc, id: :desc).paginate(per_page: 20, page: params[:page])
+    base_query = PostHistory.where(post_id: params[:id])
+                            .includes(:post_history_type, :user, post_history_tags: [:tag])
+                            .order(created_at: :desc, id: :desc)
+
+    @history = base_query.paginate(per_page: 20, page: params[:page])
+
+    @count = base_query.count
+
+    @page = params[:page].nil? ? 1 : params[:page]
+
     render layout: 'without_sidebar'
   end
 end