1 files changed, 59 insertions, 0 deletions
diff --git a/lib/api/project_templates.rb b/lib/api/project_templates.rb
new file mode 100644
index 00000000000..d05ddad7466
--- /dev/null
+++ b/lib/api/project_templates.rb
@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+module API
+  class ProjectTemplates < Grape::API
+    include PaginationParams
+
+    TEMPLATE_TYPES = %w[dockerfiles gitignores gitlab_ci_ymls licenses].freeze
+
+    before { authenticate_non_get! }
+
+    params do
+      requires :id, type: String, desc: 'The ID of a project'
+      requires :type, type: String, values: TEMPLATE_TYPES, desc: 'The type (dockerfiles|gitignores|gitlab_ci_ymls|licenses) of the template'
+    end
+    resource :projects do
+      desc 'Get a list of templates available to this project' do
+        detail 'This endpoint was introduced in GitLab 11.4'
+      end
+      params do
+        use :pagination
+      end
+      get ':id/templates/:type' do
+        templates = TemplateFinder
+          .build(params[:type], user_project)
+          .execute
+
+        present paginate(::Kaminari.paginate_array(templates)), with: Entities::TemplatesList
+      end
+
+      desc 'Download a template available to this project' do
+        detail 'This endpoint was introduced in GitLab 11.4'
+      end
+      params do
+        requires :name, type: String, desc: 'The name of the template'
+
+        optional :project, type: String, desc: 'The project name to use when expanding placeholders in the template. Only affects licenses'
+        optional :fullname, type: String, desc: 'The full name of the copyright holder to use when expanding placeholders in the template. Only affects licenses'
+      end
+      get ':id/templates/:type/:name', requirements: { name: /[\w\.-]+/ } do
+        template = TemplateFinder
+          .build(params[:type], user_project, name: params[:name])
+          .execute
+
+        not_found!('Template') unless template.present?
+
+        template.resolve!(
+          project_name: params[:project].presence,
+          fullname: params[:fullname].presence || current_user&.name
+        )
+
+        if template.is_a?(::LicenseTemplate)
+          present template, with: Entities::License
+        else
+          present template, with: Entities::Template
+        end
+      end
+    end
+  end
+end