From 77cf855bb995eb8875b41d5683c30bae2d17f2f4 Mon Sep 17 00:00:00 2001
From: Semyon Pupkov <mail@semyonpupkov.com>
Date: Tue, 22 Nov 2016 00:15:46 +0500
Subject: Define common helper for describe pagination params in api

---
 lib/api/pagination_params.rb | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 lib/api/pagination_params.rb

(limited to 'lib/api/pagination_params.rb')

diff --git a/lib/api/pagination_params.rb b/lib/api/pagination_params.rb
new file mode 100644
index 00000000000..8c1e4381a74
--- /dev/null
+++ b/lib/api/pagination_params.rb
@@ -0,0 +1,24 @@
+module API
+  # Concern for declare pagination params.
+  #
+  # @example
+  #   class CustomApiResource < Grape::API
+  #     include PaginationParams
+  #
+  #     params do
+  #       use :pagination
+  #     end
+  #   end
+  module PaginationParams
+    extend ActiveSupport::Concern
+
+    included do
+      helpers do
+        params :pagination do
+          optional :page, type: Integer, desc: 'Current page number'
+          optional :per_page, type: Integer, desc: 'Number of items per page'
+        end
+      end
+    end
+  end
+end
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