comment updates

app/controllers/admin/comment_controller.rb

@@ -1,26 +1,37 @@
 # frozen_string_literal: true
 module Admin
   class CommentController < AdminController
-    before_action { authorize QuizComment }
+    def update
+      comment = QuizComment.find_by(id: params[:id], test_hash: params[:test_hash])
+      authorize comment
+
+      comment.update(comment_params)
+      flash_message = if comment.save
+                        { success: "Sucessfully updated comment" }
+                      else
+                        { error: "Failed to update comment" }
+                      end
+      redirect_to admin_result_path(params[:test_hash]), flash: flash_message
+    end
 
     def create
+      authorize QuizComment
       comment = QuizComment.create(
         comment_params.merge(user_id: current_user.id, test_hash: params[:test_hash])
       )
 
-      if comment.persisted?
-        redirect_to admin_result_path(params[:test_hash]),
-                    flash: { success: "Sucessfully created comment" }
-      else
-        redirect_to admin_result_path(params[:test_hash]),
-                    flash: { error: "Failed to save comment" }
-      end
+      flash_message = if comment.persisted?
+                        { success: "Sucessfully created comment" }
+                      else
+                        { error: "Failed to save comment" }
+                      end
+      redirect_to admin_result_path(params[:test_hash]), flash: flash_message
     end
 
     private
 
       def comment_params
-        params.require(:quiz_comment).permit(:message, :id)
+        params.require(:quiz_comment).permit(:message)
       end
   end
 end