Add quick actions for adding and removing parent epics

- Add new epic commands to Groups::AutocompleteService specs
- Update PO file

ee/changelogs/unreleased/10556-support-adding-an-epics-to-a-parent-using-quick-action.yml

+---
+title: Add Quick Actions for adding/removing epic parent relations
+merge_request: 14451
+author:
+type: added

ee/lib/ee/gitlab/quick_actions/epic_actions.rb

@@ -42,6 +42,37 @@ module EE
             end
           end
 
+          desc _('Set parent epic to an epic')
+          explanation do |epic_param|
+            parent_epic = extract_epic(epic_param)
+
+            _("Sets %{epic_ref} as parent epic.") % { epic_ref: parent_epic.to_reference(quick_action_target) } if parent_epic
+          end
+          types Epic
+          condition { action_allowed? }
+          params '<&epic | group&epic | Epic URL>'
+          command :parent_epic do |epic_param|
+            parent_epic = extract_epic(epic_param)
+
+            if parent_epic && !parent_epic.child?(quick_action_target.id)
+              EpicLinks::CreateService.new(parent_epic, current_user, { target_issuable: quick_action_target }).execute
+            end
+          end
+
+          desc _('Remove parent epic from an epic')
+          explanation do
+            parent_epic = quick_action_target.parent
+
+            _('Removes parent epic %{epic_ref}.') % { epic_ref: parent_epic.to_reference(quick_action_target) }
+          end
+          types Epic
+          condition do
+            action_allowed? && quick_action_target.parent.present?
+          end
+          command :remove_parent_epic do
+            EpicLinks::DestroyService.new(quick_action_target, current_user).execute
+          end
+
           private
 
           def extract_epic(params)

ee/spec/services/groups/autocomplete_service_spec.rb

@@ -96,13 +96,18 @@ describe Groups::AutocompleteService do
 
   describe '#commands' do
     context 'when target is an epic' do
+      let(:parent_epic) { create(:epic, group: group, author: user) }
+      let(:epic)        { create(:epic, group: group, author: user, parent: parent_epic) }
+
       before do
         stub_licensed_features(epics: true)
       end
 
       it 'returns available commands' do
         available_commands = [:todo, :unsubscribe, :award, :shrug, :tableflip, :cc, :title, :close]
-        available_commands += [:child_epic, :remove_child_epic] if ::Epic.supports_nested_objects?
+        if ::Epic.supports_nested_objects?
+          available_commands += [:child_epic, :remove_child_epic, :parent_epic, :remove_parent_epic]
+        end
 
         expect(subject.commands(epic).map { |c| c[:name] }).to match_array(available_commands)
       end

ee/spec/services/quick_actions/interpret_service_spec.rb

@@ -519,7 +519,7 @@ describe QuickActions::InterpretService do
             end
           end
 
-          context 'when child and paretn epics are in different groups' do
+          context 'when child and parent epics are in different groups' do
             let(:child_epic) { create(:epic, group: group, parent: epic) }
             context 'when child epic is in a parent group of the parent epic' do
               before do
@@ -591,7 +591,7 @@ describe QuickActions::InterpretService do
         end
 
         context 'when a user does not have permissions to label an epic' do
-          it 'does not populate any lables' do
+          it 'does not populate any labels' do
             _, updates = service.execute(content, epic)
 
             expect(updates).to be_empty
@@ -600,7 +600,7 @@ describe QuickActions::InterpretService do
       end
 
       context 'when epics are disabled' do
-        it 'does not populate any lables' do
+        it 'does not populate any labels' do
           group.add_developer(current_user)
 
           _, updates = service.execute(content, epic)
@@ -913,25 +913,27 @@ describe QuickActions::InterpretService do
 
     context 'epic commands' do
       let(:epic) { create(:epic, group: group) }
-      let(:child_epic) { create(:epic, group: group) }
+      let(:epic2) { create(:epic, group: group) }
 
       before do
         stub_licensed_features(epics: true)
         group.add_developer(current_user)
       end
 
-      context 'child_epic command', :nested_groups do
+      shared_examples 'adds epic relation' do |relation|
         context 'when correct epic reference' do
-          let(:content) { "/child_epic #{child_epic&.to_reference(epic)}" }
+          let(:content) { "/#{relation}_epic #{epic2&.to_reference(epic)}" }
+          let(:action) { relation == :child ? 'Adds' : 'Sets'}
 
           it 'returns message with epic reference' do
             _, explanations = service.explain(content, epic)
-            expect(explanations).to eq(["Adds #{child_epic.group.name}&#{child_epic.iid} as child epic."])
+            expect(explanations)
+              .to eq(["#{action} #{epic2.group.name}&#{epic2.iid} as #{relation} epic."])
           end
         end
 
-        context 'when epic reference is wrong' do
-          let(:content) { "/child_epic qwe" }
+        context 'when epic reference is wrong' do |relation|
+          let(:content) { "/#{relation}_epic qwe" }
 
           it 'returns empty explain message' do
             _, explanations = service.explain(content, epic)
@@ -940,13 +942,17 @@ describe QuickActions::InterpretService do
         end
       end
 
-      context 'remove_child_epic command', :nested_groups do
+      context 'child_epic command' do
+        it_behaves_like 'adds epic relation', :child
+      end
+
+      context 'remove_child_epic command' do
         context 'when correct epic reference' do
-          let(:content) { "/remove_child_epic #{child_epic&.to_reference(epic)}" }
+          let(:content) { "/remove_child_epic #{epic2&.to_reference(epic)}" }
 
           it 'returns message with epic reference' do
             _, explanations = service.explain(content, epic)
-            expect(explanations).to eq(["Removes #{child_epic.group.name}&#{child_epic.iid} from child epics."])
+            expect(explanations).to eq(["Removes #{epic2.group.name}&#{epic2.iid} from child epics."])
           end
         end
 
@@ -959,6 +965,34 @@ describe QuickActions::InterpretService do
           end
         end
       end
+
+      context 'parent_epic command' do
+        it_behaves_like 'adds epic relation', :parent
+      end
+
+      context 'remove_parent_epic command' do
+        context 'when parent is present' do
+          before do
+            epic.parent = epic2
+          end
+
+          it 'returns message with epic reference' do
+            _, explanations = service.explain("/remove_parent_epic", epic)
+            expect(explanations).to eq(["Removes parent epic #{epic2.group.name}&#{epic2.iid}."])
+          end
+        end
+
+        context 'when parent is not present' do
+          before do
+            epic.parent = nil
+          end
+
+          it 'returns empty explain message' do
+            _, explanations = service.explain("/remove_parent_epic", epic)
+            expect(explanations).to eq([])
+          end
+        end
+      end
     end
   end
 end

locale/gitlab.pot

@@ -11377,6 +11377,9 @@ msgstr ""
 msgid "Remove milestone"
 msgstr ""
 
+msgid "Remove parent epic from an epic"
+msgstr ""
+
 msgid "Remove priority"
 msgstr ""
 
@@ -11410,6 +11413,9 @@ msgstr ""
 msgid "Removes all labels."
 msgstr ""
 
+msgid "Removes parent epic %{epic_ref}."
+msgstr ""
+
 msgid "Removes spent time."
 msgstr ""
 
@@ -12337,6 +12343,9 @@ msgstr ""
 msgid "Set notification email for abuse reports."
 msgstr ""
 
+msgid "Set parent epic to an epic"
+msgstr ""
+
 msgid "Set requirements for a user to sign-in. Enable mandatory two-factor authentication."
 msgstr ""
 
@@ -12406,6 +12415,9 @@ msgstr ""
 msgid "SetStatusModal|What's your status?"
 msgstr ""
 
+msgid "Sets %{epic_ref} as parent epic."
+msgstr ""
+
 msgid "Sets the due date to %{due_date}."
 msgstr ""