1 files changed, 33 insertions, 0 deletions
diff --git a/app/services/notes/slash_commands_service.rb b/app/services/notes/slash_commands_service.rb
new file mode 100644
index 00000000000..4a9a8a64653
--- /dev/null
+++ b/app/services/notes/slash_commands_service.rb
@@ -0,0 +1,33 @@
+module Notes
+  class SlashCommandsService < BaseService
+    UPDATE_SERVICES = {
+      'Issue' => Issues::UpdateService,
+      'MergeRequest' => MergeRequests::UpdateService
+    }
+
+    def supported?(note)
+      noteable_update_service(note) &&
+        can?(current_user, :"update_#{note.noteable_type.underscore}", note.noteable)
+    end
+
+    def extract_commands(note)
+      return [note.note, {}] unless supported?(note)
+
+      SlashCommands::InterpretService.new(project, current_user).
+        execute(note.note, note.noteable)
+    end
+
+    def execute(command_params, note)
+      return if command_params.empty?
+      return unless supported?(note)
+
+      noteable_update_service(note).new(project, current_user, command_params).execute(note.noteable)
+    end
+
+    private
+
+    def noteable_update_service(note)
+      UPDATE_SERVICES[note.noteable_type]
+    end
+  end
+end