1 files changed, 91 insertions, 0 deletions
diff --git a/lib/api/project_milestones.rb b/lib/api/project_milestones.rb
new file mode 100644
index 00000000000..451998c726a
--- /dev/null
+++ b/lib/api/project_milestones.rb
@@ -0,0 +1,91 @@
+module API
+  class ProjectMilestones < Grape::API
+    include PaginationParams
+    include MilestoneResponses
+
+    before do
+      authenticate!
+    end
+
+    params do
+      requires :id, type: String, desc: 'The ID of a project'
+    end
+    resource :projects, requirements: { id: %r{[^/]+} } do
+      desc 'Get a list of project milestones' do
+        success Entities::Milestone
+      end
+      params do
+        use :list_params
+      end
+      get ":id/milestones" do
+        authorize! :read_milestone, user_project
+
+        list_milestones_for(user_project)
+      end
+
+      desc 'Get a single project milestone' do
+        success Entities::Milestone
+      end
+      params do
+        requires :milestone_id, type: Integer, desc: 'The ID of a project milestone'
+      end
+      get ":id/milestones/:milestone_id" do
+        authorize! :read_milestone, user_project
+
+        get_milestone_for(user_project)
+      end
+
+      desc 'Create a new project milestone' do
+        success Entities::Milestone
+      end
+      params do
+        requires :title, type: String, desc: 'The title of the milestone'
+        use :optional_params
+      end
+      post ":id/milestones" do
+        authorize! :admin_milestone, user_project
+
+        create_milestone_for(user_project)
+      end
+
+      desc 'Update an existing project milestone' do
+        success Entities::Milestone
+      end
+      params do
+        use :update_params
+      end
+      put ":id/milestones/:milestone_id" do
+        authorize! :admin_milestone, user_project
+
+        update_milestone_for(user_project)
+      end
+
+      desc 'Get all issues for a single project milestone' do
+        success Entities::IssueBasic
+      end
+      params do
+        requires :milestone_id, type: Integer, desc: 'The ID of a project milestone'
+        use :pagination
+      end
+      get ":id/milestones/:milestone_id/issues" do
+        authorize! :read_milestone, user_project
+
+        milestone_issuables_for(user_project, :issue)
+      end
+
+      desc 'Get all merge requests for a single project milestone' do
+        detail 'This feature was introduced in GitLab 9.'
+        success Entities::MergeRequestBasic
+      end
+      params do
+        requires :milestone_id, type: Integer, desc: 'The ID of a project milestone'
+        use :pagination
+      end
+      get ':id/milestones/:milestone_id/merge_requests' do
+        authorize! :read_milestone, user_project
+
+        milestone_issuables_for(user_project, :merge_request)
+      end
+    end
+  end
+end