Ruby: support binary (byte array) for body parameter and response

modules/swagger-codegen/src/main/java/io/swagger/codegen/languages/RubyClientCodegen.java

@@ -86,6 +86,7 @@ public class RubyClientCodegen extends DefaultCodegen implements CodegenConfig {
         typeMapping.put("map", "Hash");
         typeMapping.put("object", "Object");
         typeMapping.put("file", "File");
+        typeMapping.put("binary", "Byte Array");
 
         // remove modelPackage and apiPackage added by default
         Iterator<CliOption> itr = cliOptions.iterator();

modules/swagger-codegen/src/main/resources/ruby/api.mustache

@@ -70,9 +70,10 @@ module {{moduleName}}
 
       # http body (model)
       {{^bodyParam}}post_body = nil
-      {{/bodyParam}}{{#bodyParam}}post_body = @api_client.object_to_http_body({{#required}}{{{paramName}}}{{/required}}{{^required}}opts[:'{{{paramName}}}']{{/required}})
-      {{/bodyParam}}
-
+      {{/bodyParam}}{{#bodyParam}}{{#isBinary}}post_body = {{#required}}{{{paramName}}}{{/required}}{{^required}}opts[:'{{{paramName}}}']{{/required}}
+      post_body = post_body.pack('C*') if post_body
+      {{/isBinary}}{{^isBinary}}post_body = @api_client.object_to_http_body({{#required}}{{{paramName}}}{{/required}}{{^required}}opts[:'{{{paramName}}}']{{/required}})
+      {{/isBinary}}{{/bodyParam}}
       auth_names = [{{#authMethods}}'{{name}}'{{#hasMore}}, {{/hasMore}}{{/authMethods}}]
       data, status_code, headers = @api_client.call_api(:{{httpMethod}}, path,
         :header_params => header_params,
@@ -90,7 +91,3 @@ module {{moduleName}}
   end
 {{/operations}}
 end
-
-
-
-

modules/swagger-codegen/src/main/resources/ruby/api_client.mustache

@@ -106,6 +106,9 @@ module {{moduleName}}
       body = response.body
       return nil if body.nil? || body.empty?
 
+      # handle binary response (byte array)
+      return body.bytes if return_type == 'Byte Array'
+
       # handle file downloading - save response body into a tmp file and return the File instance
       return download_file(response) if return_type == 'File'