1 files changed, 54 insertions, 0 deletions
diff --git a/lib/gitlab/quick_actions/work_item_actions.rb b/lib/gitlab/quick_actions/work_item_actions.rb
new file mode 100644
index 00000000000..fa43308c9e2
--- /dev/null
+++ b/lib/gitlab/quick_actions/work_item_actions.rb
@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module QuickActions
+    module WorkItemActions
+      extend ActiveSupport::Concern
+      include Gitlab::QuickActions::Dsl
+
+      included do
+        desc { _('Change work item type') }
+        explanation do |target_type|
+          format(_("Converts work item to %{type}. Widgets not supported in new type are removed."), type: target_type)
+        end
+        types WorkItem
+        condition do
+          quick_action_target&.project&.work_items_mvc_2_feature_flag_enabled?
+        end
+        params 'Task | Objective | Key Result | Issue'
+        command :type do |type_name|
+          work_item_type = ::WorkItems::Type.find_by_name(type_name)
+          errors = validate_type(work_item_type)
+
+          if errors.present?
+            @execution_message[:type] = errors
+          else
+            @updates[:issue_type] = work_item_type.base_type
+            @updates[:work_item_type] = work_item_type
+            @execution_message[:type] = _('Type changed successfully.')
+          end
+        end
+      end
+
+      private
+
+      def validate_type(type)
+        return type_error(:not_found) unless type.present?
+        return type_error(:same_type) if quick_action_target.work_item_type == type
+        return type_error(:forbidden) unless current_user.can?(:"create_#{type.base_type}", quick_action_target)
+
+        nil
+      end
+
+      def type_error(reason)
+        message = {
+          not_found: 'Provided type is not supported',
+          same_type: 'Types are the same',
+          forbidden: 'You have insufficient permissions'
+        }.freeze
+
+        format(_("Failed to convert this work item: %{reason}."), { reason: message[reason] })
+      end
+    end
+  end
+end