Support body_name in desc block (#1832)

CHANGELOG.md

@@ -2,8 +2,9 @@
 
 #### Features
 
-* [#1831](https://github.com/ruby-grape/grape/pull/1831): Support `security` in `desc` block - [@fotos](https://github.com/fotos).
 * Your contribution here.
+* [#1832](https://github.com/ruby-grape/grape/pull/1832): Support `body_name` in `desc` block - [@fotos](https://github.com/fotos).
+* [#1831](https://github.com/ruby-grape/grape/pull/1831): Support `security` in `desc` block - [@fotos](https://github.com/fotos).
 
 #### Fixes
 

lib/grape/dsl/desc.rb

@@ -17,6 +17,7 @@ module Desc
       # @option options :http_codes [Array[Array]] possible HTTP codes this
       #   endpoint may return, with their meanings, in a 2d array
       # @option options :named [String] a specific name to help find this route
+      # @option options :body_name [String] override the autogenerated body name param
       # @option options :headers [Hash] HTTP headers this method can accept
       # @option options :hidden [Boolean] hide the endpoint or not
       # @option options :deprecated [Boolean] deprecate the endpoint or not
@@ -94,6 +95,7 @@ def desc_container
             :entity,
             :http_codes,
             :named,
+            :body_name,
             :headers,
             :hidden,
             :deprecated,

spec/grape/dsl/desc_spec.rb

@@ -28,6 +28,7 @@ class Dummy
             entity: Object,
             http_codes: [[401, 'Unauthorized', 'Entities::Error']],
             named: 'My named route',
+            body_name: 'My body name',
             headers: [
               XAuthToken: {
                 description: 'Valdates your identity',
@@ -55,6 +56,7 @@ class Dummy
             success Object
             failure [[401, 'Unauthorized', 'Entities::Error']]
             named 'My named route'
+            body_name 'My body name'
             headers [
               XAuthToken: {
                 description: 'Valdates your identity',