1 files changed, 33 insertions, 0 deletions
diff --git a/app/services/work_items/callbacks/award_emoji.rb b/app/services/work_items/callbacks/award_emoji.rb
new file mode 100644
index 00000000000..6344813d4b9
--- /dev/null
+++ b/app/services/work_items/callbacks/award_emoji.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+module WorkItems
+  module Callbacks
+    class AwardEmoji < Base
+      def before_update
+        return unless params.present? && params.key?(:name) && params.key?(:action)
+        return unless has_permission?(:award_emoji)
+
+        execute_emoji_service(params[:action], params[:name])
+      end
+
+      private
+
+      def execute_emoji_service(action, name)
+        class_name = {
+          add: ::AwardEmojis::AddService,
+          remove: ::AwardEmojis::DestroyService
+        }
+
+        raise_error(invalid_action_error(action)) unless class_name.key?(action)
+
+        result = class_name[action].new(work_item, name, current_user).execute
+
+        raise_error(result[:message]) if result[:status] == :error
+      end
+
+      def invalid_action_error(key)
+        format(_("%{key} is not a valid action."), key: key)
+      end
+    end
+  end
+end