[Kotlin-Spring] Fix properties default value (#8373)

* [Kotlin-Spring] Fix properties default value

* Fix kotlin enum default

* Update go sample

Author: cbornet

modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java

@@ -5357,7 +5357,7 @@ public void updateCodegenPropertyEnum(CodegenProperty var) {
         if (var.defaultValue != null) {
             String enumName = null;
             final String enumDefaultValue;
-            if ("string".equalsIgnoreCase(dataType)) {
+            if (isDataTypeString(dataType)) {
                 enumDefaultValue = toEnumValue(var.defaultValue, dataType);
             } else {
                 enumDefaultValue = var.defaultValue;

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractKotlinCodegen.java

@@ -898,7 +898,8 @@ public void postProcessFile(File file, String fileType) {
     }
 
     @Override
-    public String toDefaultValue(Schema p) {
+    public String toDefaultValue(Schema schema) {
+        Schema p = ModelUtils.getReferencedSchema(this.openAPI, schema);
         if (ModelUtils.isBooleanSchema(p)) {
             if (p.getDefault() != null) {
                 return p.getDefault().toString();
@@ -921,8 +922,15 @@ public String toDefaultValue(Schema p) {
             }
         } else if (ModelUtils.isStringSchema(p)) {
             if (p.getDefault() != null) {
-                return "\"" + p.getDefault() + "\"";
+                String _default = (String) p.getDefault();
+                if (p.getEnum() == null) {
+                    return "\"" + escapeText(_default) + "\"";
+                } else {
+                    // convert to enum var name later in postProcessModels
+                    return _default;
+                }
             }
+            return null;
         }
 
         return null;

modules/openapi-generator/src/main/resources/kotlin-spring/dataClassOptVar.mustache

@@ -1,4 +1,4 @@
 {{#useBeanValidation}}{{>beanValidation}}{{>beanValidationModel}}{{/useBeanValidation}}{{#swaggerAnnotations}}
     @ApiModelProperty({{#example}}example = "{{{example}}}", {{/example}}{{#isReadOnly}}readOnly = {{{isReadOnly}}}, {{/isReadOnly}}value = "{{{description}}}"){{/swaggerAnnotations}}{{#deprecated}}
     @Deprecated(message = ""){{/deprecated}}
-    @field:JsonProperty("{{{baseName}}}"){{#isInherited}} override{{/isInherited}} {{>modelMutable}} {{{name}}}: {{#isEnum}}{{#isArray}}{{baseType}}<{{/isArray}}{{classname}}.{{nameInCamelCase}}{{#isArray}}>{{/isArray}}{{/isEnum}}{{^isEnum}}{{{dataType}}}{{/isEnum}}? = {{#defaultvalue}}{{defaultvalue}}{{/defaultvalue}}{{^defaultvalue}}null{{/defaultvalue}}
+    @field:JsonProperty("{{{baseName}}}"){{#isInherited}} override{{/isInherited}} {{>modelMutable}} {{{name}}}: {{#isEnum}}{{#isArray}}{{baseType}}<{{/isArray}}{{classname}}.{{nameInCamelCase}}{{#isArray}}>{{/isArray}}{{/isEnum}}{{^isEnum}}{{{dataType}}}{{/isEnum}}? = {{#defaultValue}}{{defaultValue}}{{/defaultValue}}{{^defaultValue}}null{{/defaultValue}}

modules/openapi-generator/src/main/resources/kotlin-spring/dataClassReqVar.mustache

@@ -1,3 +1,3 @@
 {{#useBeanValidation}}{{>beanValidation}}{{>beanValidationModel}}{{/useBeanValidation}}{{#swaggerAnnotations}}
     @ApiModelProperty({{#example}}example = "{{{example}}}", {{/example}}required = true, {{#isReadOnly}}readOnly = {{{isReadOnly}}}, {{/isReadOnly}}value = "{{{description}}}"){{/swaggerAnnotations}}
-    @field:JsonProperty("{{{baseName}}}", required = true){{#isInherited}} override{{/isInherited}} {{>modelMutable}} {{{name}}}: {{#isEnum}}{{#isArray}}{{baseType}}<{{/isArray}}{{classname}}.{{nameInCamelCase}}{{#isArray}}>{{/isArray}}{{/isEnum}}{{^isEnum}}{{{dataType}}}{{/isEnum}}{{#isReadOnly}}? = {{#defaultvalue}}{{defaultvalue}}{{/defaultvalue}}{{^defaultvalue}}null{{/defaultvalue}}{{/isReadOnly}}
+    @field:JsonProperty("{{{baseName}}}", required = true){{#isInherited}} override{{/isInherited}} {{>modelMutable}} {{{name}}}: {{#isEnum}}{{#isArray}}{{baseType}}<{{/isArray}}{{classname}}.{{nameInCamelCase}}{{#isArray}}>{{/isArray}}{{/isEnum}}{{^isEnum}}{{{dataType}}}{{/isEnum}}{{#isReadOnly}}?{{/isReadOnly}}{{#defaultValue}} = {{defaultValue}}{{/defaultValue}}{{#isReadOnly}}{{^defaultValue}} = null{{/defaultValue}}{{/isReadOnly}}

samples/openapi3/client/petstore/go/go-petstore/docs/EnumTest.md

@@ -10,7 +10,7 @@ Name | Type | Description | Notes
 **EnumNumber** | Pointer to **float64** |  | [optional] 
 **OuterEnum** | Pointer to [**NullableOuterEnum**](OuterEnum.md) |  | [optional] 
 **OuterEnumInteger** | Pointer to [**OuterEnumInteger**](OuterEnumInteger.md) |  | [optional] 
-**OuterEnumDefaultValue** | Pointer to [**OuterEnumDefaultValue**](OuterEnumDefaultValue.md) |  | [optional] [default to "placed"]
+**OuterEnumDefaultValue** | Pointer to [**OuterEnumDefaultValue**](OuterEnumDefaultValue.md) |  | [optional] [default to OUTERENUMDEFAULTVALUE_PLACED]
 **OuterEnumIntegerDefaultValue** | Pointer to [**OuterEnumIntegerDefaultValue**](OuterEnumIntegerDefaultValue.md) |  | [optional] [default to OUTERENUMINTEGERDEFAULTVALUE__0]
 
 ## Methods

samples/openapi3/client/petstore/go/go-petstore/model_enum_test_.go

@@ -40,7 +40,7 @@ data class Order(
     @field:JsonProperty("status") val status: Order.Status? = null,
 
     @ApiModelProperty(example = "null", value = "")
-    @field:JsonProperty("complete") val complete: kotlin.Boolean? = null
+    @field:JsonProperty("complete") val complete: kotlin.Boolean? = false
 ) {
 
     /**

samples/server/petstore/kotlin-springboot-delegate/src/main/kotlin/org/openapitools/model/Order.kt

@@ -40,7 +40,7 @@ data class Order(
     @field:JsonProperty("status") val status: Order.Status? = null,
 
     @ApiModelProperty(example = "null", value = "")
-    @field:JsonProperty("complete") val complete: kotlin.Boolean? = null
+    @field:JsonProperty("complete") val complete: kotlin.Boolean? = false
 ) {
 
     /**

samples/server/petstore/kotlin-springboot-reactive/src/main/kotlin/org/openapitools/model/Order.kt

@@ -40,7 +40,7 @@ data class Order(
     @field:JsonProperty("status") val status: Order.Status? = null,
 
     @ApiModelProperty(example = "null", value = "")
-    @field:JsonProperty("complete") val complete: kotlin.Boolean? = null
+    @field:JsonProperty("complete") val complete: kotlin.Boolean? = false
 ) {
 
     /**