Merge branch 'feature/gb/paginated-environments-api' into 'master'

Expose paginated environments list API endpoint

See merge request !8928

2 files changed, 37 insertions, 1 deletions

diff --git a/lib/gitlab/serialize/ci/variables.rb b/lib/gitlab/serializer/ci/variables.rb
index 3a9443bfcd9..c059c454eac 100644
--- a/lib/gitlab/serialize/ci/variables.rb
+++ b/lib/gitlab/serializer/ci/variables.rb
@@ -1,5 +1,5 @@
 module Gitlab
-  module Serialize
+  module Serializer
     module Ci
       # This serializer could make sure our YAML variables' keys and values
       # are always strings. This is more for legacy build data because
diff --git a/lib/gitlab/serializer/pagination.rb b/lib/gitlab/serializer/pagination.rb
new file mode 100644
index 00000000000..bf2c0acc729
--- /dev/null
+++ b/lib/gitlab/serializer/pagination.rb
@@ -0,0 +1,36 @@
+module Gitlab
+  module Serializer
+    class Pagination
+      class InvalidResourceError < StandardError; end
+      include ::API::Helpers::Pagination
+
+      def initialize(request, response)
+        @request = request
+        @response = response
+      end
+
+      def paginate(resource)
+        if resource.respond_to?(:page)
+          super(resource)
+        else
+          raise InvalidResourceError
+        end
+      end
+
+      private
+
+      # Methods needed by `API::Helpers::Pagination`
+      #
+
+      attr_reader :request
+
+      def params
+        @request.query_parameters
+      end
+
+      def header(header, value)
+        @response.headers[header] = value
+      end
+    end
+  end
+end