comment creation

app/controllers/admin/comment_controller.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+module Admin
+  class CommentController < AdminController
+    before_action { authorize QuizComment }
+
+    def create
+      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
+    end
+
+    private
+
+      def comment_params
+        params.require(:quiz_comment).permit(:message, :id)
+      end
+  end
+end