Add pages domains API implementation

lib/api/api.rb

@@ -131,6 +131,7 @@ module API
     mount ::API::Namespaces
     mount ::API::Notes
     mount ::API::NotificationSettings
+    mount ::API::PagesDomains
     mount ::API::Pipelines
     mount ::API::PipelineSchedules
     mount ::API::ProjectHooks

lib/api/helpers.rb

@@ -184,6 +184,10 @@ module API
       end
     end
 
+    def require_pages_enabled!
+      not_found! unless user_project.pages_available?
+    end
+
     def can?(object, action, subject = :global)
       Ability.allowed?(object, action, subject)
     end

lib/api/pages_domains.rb

@@ -0,0 +1,117 @@
+module API
+  class PagesDomains < Grape::API
+    include PaginationParams
+
+    before do
+      authenticate!
+      require_pages_enabled!
+    end
+
+    after_validation do
+      normalize_params_file_to_string
+    end
+
+    helpers do
+      def find_pages_domain!
+        user_project.pages_domains.find_by(domain: params[:domain]) || not_found!('PagesDomain')
+      end
+
+      def pages_domain
+        @pages_domain ||= find_pages_domain!
+      end
+
+      def normalize_params_file_to_string
+        params.each do |k, v|
+          if v.is_a?(Hash) && v.key?(:tempfile)
+            params[k] = v[:tempfile].to_a.join('')
+          end
+        end
+      end
+    end
+
+    params do
+      requires :id, type: String, desc: 'The ID of a project'
+    end
+    resource :projects, requirements: { id: %r{[^/]+} } do
+      desc 'Get all pages domains' do
+        success Entities::PagesDomain
+      end
+      params do
+        use :pagination
+      end
+      get ":id/pages/domains" do
+        authorize! :read_pages, user_project
+
+        present paginate(user_project.pages_domains.order(:domain)), with: Entities::PagesDomain
+      end
+
+      desc 'Get a single pages domain' do
+        success Entities::PagesDomain
+      end
+      params do
+        requires :domain, type: String, desc: 'The domain'
+      end
+      get ":id/pages/domains/:domain", requirements: { domain: %r{[^/]+} } do
+        authorize! :read_pages, user_project
+
+        present pages_domain, with: Entities::PagesDomain
+      end
+
+      desc 'Create a new pages domain' do
+        success Entities::PagesDomain
+      end
+      params do
+        requires :domain, type: String, desc: 'The domain'
+        optional :certificate, allow_blank: false, types: [File, String], desc: 'The certificate'
+        optional :key, allow_blank: false, types: [File, String], desc: 'The key'
+        all_or_none_of :certificate, :key
+      end
+      post ":id/pages/domains" do
+        authorize! :update_pages, user_project
+
+        pages_domain_params = declared(params, include_parent_namespaces: false)
+        pages_domain = user_project.pages_domains.create(pages_domain_params)
+
+        if pages_domain.persisted?
+          present pages_domain, with: Entities::PagesDomain
+        else
+          render_validation_error!(pages_domain)
+        end
+      end
+
+      desc 'Updates a pages domain'
+      params do
+        requires :domain, type: String, desc: 'The domain'
+        optional :certificate, allow_blank: false, types: [File, String], desc: 'The certificate'
+        optional :key, allow_blank: false, types: [File, String], desc: 'The key'
+      end
+      put ":id/pages/domains/:domain", requirements: { domain: %r{[^/]+} } do
+        authorize! :update_pages, user_project
+
+        pages_domain_params = declared(params, include_parent_namespaces: false)
+
+        # Remove empty private key if certificate is not empty.
+        if pages_domain_params[:certificate] && !pages_domain_params[:key]
+          pages_domain_params.delete(:key)
+        end
+
+        if pages_domain.update(pages_domain_params)
+          present pages_domain, with: Entities::PagesDomain
+        else
+          render_validation_error!(pages_domain)
+        end
+      end
+
+      desc 'Delete a pages domain'
+      params do
+        requires :domain, type: String, desc: 'The domain'
+      end
+      delete ":id/pages/domains/:domain", requirements: { domain: %r{[^/]+} } do
+        authorize! :update_pages, user_project
+
+        status 204
+        pages_domain.destroy
+      end
+    end
+  end
+end