1 files changed, 107 insertions, 0 deletions
diff --git a/lib/api/freeze_periods.rb b/lib/api/freeze_periods.rb
new file mode 100644
index 00000000000..9c7e5a5832d
--- /dev/null
+++ b/lib/api/freeze_periods.rb
@@ -0,0 +1,107 @@
+# frozen_string_literal: true
+
+module API
+  class FreezePeriods < Grape::API
+    include PaginationParams
+
+    before { authenticate! }
+
+    params do
+      requires :id, type: String, desc: 'The ID of a project'
+    end
+
+    resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
+      desc 'Get project freeze periods' do
+        detail 'This feature was introduced in GitLab 13.0.'
+        success Entities::FreezePeriod
+      end
+      params do
+        use :pagination
+      end
+
+      get ":id/freeze_periods" do
+        authorize! :read_freeze_period, user_project
+
+        freeze_periods = ::FreezePeriodsFinder.new(user_project, current_user).execute
+
+        present paginate(freeze_periods), with: Entities::FreezePeriod, current_user: current_user
+      end
+
+      desc 'Get a single freeze period' do
+        detail 'This feature was introduced in GitLab 13.0.'
+        success Entities::FreezePeriod
+      end
+      params do
+        requires :freeze_period_id, type: Integer, desc: 'The ID of a project freeze period'
+      end
+      get ":id/freeze_periods/:freeze_period_id" do
+        authorize! :read_freeze_period, user_project
+
+        present freeze_period, with: Entities::FreezePeriod, current_user: current_user
+      end
+
+      desc 'Create a new freeze period' do
+        detail 'This feature was introduced in GitLab 13.0.'
+        success Entities::FreezePeriod
+      end
+      params do
+        requires :freeze_start, type: String, desc: 'Freeze Period start'
+        requires :freeze_end, type: String, desc: 'Freeze Period end'
+        optional :cron_timezone, type: String, desc: 'Timezone'
+      end
+      post ':id/freeze_periods' do
+        authorize! :create_freeze_period, user_project
+
+        freeze_period_params = declared(params, include_parent_namespaces: false)
+
+        freeze_period = user_project.freeze_periods.create(freeze_period_params)
+
+        if freeze_period.persisted?
+          present freeze_period, with: Entities::FreezePeriod
+        else
+          render_validation_error!(freeze_period)
+        end
+      end
+
+      desc 'Update a freeze period' do
+        detail 'This feature was introduced in GitLab 13.0.'
+        success Entities::FreezePeriod
+      end
+      params do
+        optional :freeze_start, type: String, desc: 'Freeze Period start'
+        optional :freeze_end, type: String, desc: 'Freeze Period end'
+        optional :cron_timezone, type: String, desc: 'Freeze Period Timezone'
+      end
+      put ':id/freeze_periods/:freeze_period_id' do
+        authorize! :update_freeze_period, user_project
+
+        freeze_period_params = declared(params, include_parent_namespaces: false, include_missing: false)
+
+        if freeze_period.update(freeze_period_params)
+          present freeze_period, with: Entities::FreezePeriod
+        else
+          render_validation_error!(freeze_period)
+        end
+      end
+
+      desc 'Delete a freeze period' do
+        detail 'This feature was introduced in GitLab 13.0.'
+        success Entities::FreezePeriod
+      end
+      params do
+        requires :freeze_period_id, type: Integer, desc: 'Freeze Period ID'
+      end
+      delete ':id/freeze_periods/:freeze_period_id' do
+        authorize! :destroy_freeze_period, user_project
+
+        destroy_conditionally!(freeze_period)
+      end
+    end
+
+    helpers do
+      def freeze_period
+        @freeze_period ||= user_project.freeze_periods.find(params[:freeze_period_id])
+      end
+    end
+  end
+end