SSH Keys API implemented

lib/api/entities.rb

@@ -48,5 +48,11 @@ module Gitlab
       expose :assignee, :author, using: Entities::UserBasic
       expose :closed, :updated_at, :created_at
     end
+
+    class Key < Grape::Entity
+      expose  :id, 
+              :title, 
+              :key
+    end
   end
 end

lib/api/keys.rb

@@ -0,0 +1,44 @@
+module Gitlab
+  # Keys API
+  class Keys < Grape::API
+    before { authenticate! }
+    resource :keys do
+      # Get currently authenticated user's keys
+      #
+      # Example Request:
+      #   GET /keys
+      get do
+        present current_user.keys, with: Entities::Key
+      end
+      # Add new ssh key to currently authenticated user
+      # 
+      # Parameters:
+      #   key (required) - New SSH Key
+      #   title (required) - New SSH Key's title
+      # Example Request:
+      #   POST /keys
+      post do
+        key = current_user.keys.new(
+          title: params[:title],
+          key: params[:key]
+        )
+        if key.save
+          present key, with: Entities::Key
+        else
+          not_found!
+        end
+      end
+      # Delete existed ssh key of currently authenticated user
+      # 
+      # Parameters:
+      #   id (required) - SSH Key ID
+      # Example Request:
+      #   DELETE /keys/:id
+      delete "/:id" do
+        key = current_user.keys.find params[:id]
+        key.delete
+      end
+    end
+  end
+end
+