[go] required object parameters are marked omitempty

[vvalchev]

Description

I'm using a definition, where parameter is marked as required. Though, the generated code looks like:

type Object struct {

	Param1 string `json:"param1,omitempty"`
}

Swagger-codegen version

2.2.1
2.2.2-SNAPSHOT

Swagger declaration file content or url

swagger: '2.0'
info:
    title: dummy
    version: "1.0.0"
host: dummy

paths:
    /dummy:
        get:

definitions:
  Object:
      type: object
      required:
        - param1
      properties:
        param1:
            type: string

Command line used for generation

java -jar codegen.jar generate -i collection-format-test.yaml --lang go --output test-generated

Steps to reproduce

Use the provided yaml and the command line to generate to go sources and then compile.

Related issues

Suggest a Fix

The problem can be fixed by modified the model.mustache template using the following patch:

--- go/orig/model.mustache	2016-08-08 15:53:46.000000000 +0000
+++ go/model.mustache	2017-01-27 11:58:55.000000000 +0000
@@ -9,7 +9,7 @@
 type {{classname}} struct {
 {{#vars}}{{#description}}
 	// {{{description}}}{{/description}}
-	{{name}} {{{datatype}}} `json:"{{baseName}},omitempty"`
+	{{name}} {{{datatype}}} `json:"{{baseName}}{{^required}},omitempty{{/required}}"`
 {{/vars}}
 }
 {{/model}}{{/models}}
\ No newline at end of file

[wing328]

@vvalchev thanks for reporting the issue. Please kindly file a PR so that we can review the fix.

[wing328]

Closed via #4682.

Thanks for the contribution.