Add, delete labels via API

4 files changed, 67 insertions, 12 deletions

diff --git a/lib/api/api.rb b/lib/api/api.rb
index ce4cc8b34f7..2c7cd9038c3 100644
--- a/lib/api/api.rb
+++ b/lib/api/api.rb
@@ -46,5 +46,6 @@ module API
     mount Commits
     mount Namespaces
     mount Branches
+    mount Labels
   end
 end
diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index 8731db59e57..9f1e5cded53 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -192,7 +192,7 @@ module API
     end
 
     class Label < Grape::Entity
-      expose :name
+      expose :name, :color
     end
 
     class RepoDiff < Grape::Entity
diff --git a/lib/api/labels.rb b/lib/api/labels.rb
new file mode 100644
index 00000000000..dc61294d588
--- /dev/null
+++ b/lib/api/labels.rb
@@ -0,0 +1,65 @@
+module API
+  # Labels API
+  class Labels < Grape::API
+    before { authenticate! }
+
+    resource :projects do
+      # Get all labels of the project
+      #
+      # Parameters:
+      #   id (required) - The ID of a project
+      # Example Request:
+      #   GET /projects/:id/labels
+      get ':id/labels' do
+        present user_project.labels, with: Entities::Label
+      end
+
+      # Creates a new label
+      #
+      # Parameters:
+      #   id    (required) - The ID of a project
+      #   name  (required) - The name of the label to be deleted
+      #   color (required) - Color of the label given in 6-digit hex
+      #                      notation with leading '#' sign (e.g. #FFAABB)
+      # Example Request:
+      #   POST /projects/:id/labels
+      post ':id/labels' do
+        required_attributes! [:name, :color]
+
+        attrs = attributes_for_keys [:name, :color]
+        label = user_project.find_label(attrs[:name])
+
+        if label
+          return render_api_error!('Label already exists', 409)
+        end
+
+        label = user_project.labels.create(attrs)
+
+        if label.valid?
+          present label, with: Entities::Label
+        else
+          render_api_error!(label.errors.full_messages.join(', '), 405)
+        end
+      end
+
+      # Deletes an existing label
+      #
+      # Parameters:
+      #   id    (required) - The ID of a project
+      #   name  (required) - The name of the label to be deleted
+      #
+      # Example Request:
+      #   DELETE /projects/:id/labels
+      delete ':id/labels' do
+        required_attributes! [:name]
+
+        label = user_project.find_label(params[:name])
+        if !label
+          return render_api_error!('Label not found', 404)
+        end
+
+        label.destroy
+      end
+    end
+  end
+end
diff --git a/lib/api/projects.rb b/lib/api/projects.rb
index 149678e6803..55f7975bbf7 100644
--- a/lib/api/projects.rb
+++ b/lib/api/projects.rb
@@ -224,17 +224,6 @@ module API
         @users = paginate @users
         present @users, with: Entities::UserBasic
       end
-
-      # Get a project labels
-      #
-      # Parameters:
-      #   id (required) - The ID of a project
-      # Example Request:
-      #   GET /projects/:id/labels
-      get ':id/labels' do
-        @labels = user_project.labels
-        present @labels, with: Entities::Label
-      end
     end
   end
 end