Factor out group labels entity

app/models/group_label.rb

@@ -10,8 +10,4 @@ class GroupLabel < Label
   def subject_foreign_key
     'group_id'
   end
-
-  def priority(parent)
-    nil
-  end
 end

lib/api/entities.rb

@@ -1006,7 +1006,7 @@ module API
       expose :id, :name, :color, :description
     end
 
-    class Label < LabelBasic
+    class GroupLabel < LabelBasic
       expose :open_issues_count do |label, options|
         label.open_issues_count(options[:current_user])
       end
@@ -1019,15 +1019,17 @@ module API
         label.open_merge_requests_count(options[:current_user])
       end
 
-      expose :priority do |label, options|
-        label.priority(options[:project])
-      end
-
       expose :subscribed do |label, options|
         label.subscribed?(options[:current_user], options[:project])
       end
     end
 
+    class ProjectLabel < GroupLabel
+      expose :priority do |label, options|
+        label.priority(options[:project])
+      end
+    end
+
     class List < Grape::Entity
       expose :id
       expose :label, using: Entities::LabelBasic

lib/api/group_labels.rb

@@ -12,7 +12,7 @@ module API
     resource :groups, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get all labels of the group' do
         detail 'This feature was added in GitLab 11.7'
-        success Entities::Label
+        success Entities::GroupLabel
       end
       params do
         use :pagination
@@ -20,12 +20,12 @@ module API
       get ':id/labels' do
         group_labels = available_labels_for(user_group)
 
-        present paginate(group_labels), with: Entities::Label, current_user: current_user, parent: user_group
+        present paginate(group_labels), with: Entities::GroupLabel, current_user: current_user, parent: user_group
       end
 
       desc 'Create a new label' do
         detail 'This feature was added in GitLab 11.7'
-        success Entities::Label
+        success Entities::GroupLabel
       end
       params do
         requires :name, type: String, desc: 'The name of the label to be created'
@@ -41,7 +41,7 @@ module API
         label = ::Labels::CreateService.new(declared_params(include_missing: false)).execute(group: user_group)
 
         if label.persisted?
-          present label, with: Entities::Label, current_user: current_user, parent: user_group
+          present label, with: Entities::GroupLabel, current_user: current_user, parent: user_group
         else
           render_validation_error!(label)
         end
@@ -49,7 +49,7 @@ module API
 
       desc 'Delete an existing label' do
         detail 'This feature was added in GitLab 11.7'
-        success Entities::Label
+        success Entities::GroupLabel
       end
       params do
         requires :name, type: String, desc: 'The name of the label to be deleted'
@@ -64,7 +64,7 @@ module API
 
       desc 'Update an existing label. At least one optional parameter is required.' do
         detail 'This feature was added in GitLab 11.7'
-        success Entities::Label
+        success Entities::GroupLabel
       end
       params do
         requires :name,  type: String, desc: 'The name of the label to be updated'
@@ -78,14 +78,10 @@ module API
 
         label = find_label(user_group, params[:name])
 
-        label_params = declared_params(include_missing: false)
-        # Rename new name to the actual label attribute name
-        label_params[:name] = label_params.delete(:new_name) if label_params.key?(:new_name)
-
-        label = ::Labels::UpdateService.new(label_params).execute(label)
+        label = ::Labels::UpdateService.new(declared_params(include_missing: false)).execute(label)
         render_validation_error!(label) unless label.valid?
 
-        present label, with: Entities::Label, current_user: current_user, parent: user_group
+        present label, with: Entities::GroupLabel, current_user: current_user, parent: user_group
       end
     end
   end

lib/api/labels.rb

@@ -11,17 +11,17 @@ module API
     end
     resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       desc 'Get all labels of the project' do
-        success Entities::Label
+        success Entities::ProjectLabel
       end
       params do
         use :pagination
       end
       get ':id/labels' do
-        present paginate(available_labels_for(user_project)), with: Entities::Label, current_user: current_user, project: user_project
+        present paginate(available_labels_for(user_project)), with: Entities::ProjectLabel, current_user: current_user, project: user_project
       end
 
       desc 'Create a new label' do
-        success Entities::Label
+        success Entities::ProjectLabel
       end
       params do
         requires :name, type: String, desc: 'The name of the label to be created'
@@ -41,7 +41,7 @@ module API
 
         if label.valid?
           label.prioritize!(user_project, priority) if priority
-          present label, with: Entities::Label, current_user: current_user, project: user_project
+          present label, with: Entities::ProjectLabel, current_user: current_user, project: user_project
         else
           render_validation_error!(label)
         end
@@ -49,7 +49,7 @@ module API
       # rubocop: enable CodeReuse/ActiveRecord
 
       desc 'Delete an existing label' do
-        success Entities::Label
+        success Entities::ProjectLabel
       end
       params do
         requires :name, type: String, desc: 'The name of the label to be deleted'
@@ -66,7 +66,7 @@ module API
       # rubocop: enable CodeReuse/ActiveRecord
 
       desc 'Update an existing label. At least one optional parameter is required.' do
-        success Entities::Label
+        success Entities::ProjectLabel
       end
       params do
         requires :name, type: String, desc: 'The name of the label to be updated'
@@ -85,11 +85,8 @@ module API
 
         update_priority = params.key?(:priority)
         priority = params.delete(:priority)
-        label_params = declared_params(include_missing: false)
-        # Rename new name to the actual label attribute name
-        label_params[:name] = label_params.delete(:new_name) if label_params.key?(:new_name)
 
-        label = ::Labels::UpdateService.new(label_params).execute(label)
+        label = ::Labels::UpdateService.new(declared_params(include_missing: false)).execute(label)
         render_validation_error!(label) unless label.valid?
 
         if update_priority
@@ -100,7 +97,7 @@ module API
           end
         end
 
-        present label, with: Entities::Label, current_user: current_user, project: user_project
+        present label, with: Entities::ProjectLabel, current_user: current_user, project: user_project
       end
       # rubocop: enable CodeReuse/ActiveRecord
     end

lib/api/subscriptions.rb

@@ -5,15 +5,14 @@ module API
     before { authenticate! }
 
     subscribables = [
-      { type: 'merge_requests', source: Project, finder: ->(id) { find_merge_request_with_access(id, :update_merge_request) }, parent_resource: -> { user_project } },
-      { type: 'issues', source: Project, finder: ->(id) { find_project_issue(id) }, parent_resource: -> { user_project } },
-      { type: 'labels', source: Project, finder: ->(id) { find_label(user_project, id) }, parent_resource: -> { user_project } },
-      { type: 'labels', source: Group, finder: ->(id) { find_label(user_group, id) }, parent_resource: -> { nil } }
+      { type: 'merge_requests', entity: Entities::MergeRequest, source: Project, finder: ->(id) { find_merge_request_with_access(id, :update_merge_request) }, parent_resource: -> { user_project } },
+      { type: 'issues', entity: Entities::Issue, source: Project, finder: ->(id) { find_project_issue(id) }, parent_resource: -> { user_project } },
+      { type: 'labels', entity: Entities::ProjectLabel, source: Project, finder: ->(id) { find_label(user_project, id) }, parent_resource: -> { user_project } },
+      { type: 'labels', entity: Entities::GroupLabel, source: Group, finder: ->(id) { find_label(user_group, id) }, parent_resource: -> { nil } }
     ]
 
     subscribables.each do |subscribable|
       source_type = subscribable[:source].name.underscore
-      entity_class = Entities.const_get(subscribable[:type].singularize.camelcase)
 
       params do
         requires :id, type: String, desc: "The #{source_type} ID"
@@ -21,7 +20,7 @@ module API
       end
       resource source_type.pluralize, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
         desc 'Subscribe to a resource' do
-          success entity_class
+          success subscribable[:entity]
         end
         post ":id/#{subscribable[:type]}/:subscribable_id/subscribe" do
           parent = instance_exec(&subscribable[:parent_resource])
@@ -31,12 +30,12 @@ module API
             not_modified!
           else
             resource.subscribe(current_user, parent)
-            present resource, with: entity_class, current_user: current_user, project: parent
+            present resource, with: subscribable[:entity], current_user: current_user, project: parent
           end
         end
 
         desc 'Unsubscribe from a resource' do
-          success entity_class
+          success subscribable[:entity]
         end
         post ":id/#{subscribable[:type]}/:subscribable_id/unsubscribe" do
           parent = instance_exec(&subscribable[:parent_resource])
@@ -46,7 +45,7 @@ module API
             not_modified!
           else
             resource.unsubscribe(current_user, parent)
-            present resource, with: entity_class, current_user: current_user, project: parent
+            present resource, with: subscribable[:entity], current_user: current_user, project: parent
           end
         end
       end