fix: Template contains unconditional ": Serializable" which creates wrong derive clause on data classes which have a parent as well as are serializable. (OpenAPITools#19283)

Author: deicon

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

@@ -17,7 +17,7 @@
 {{/-last}}{{/requiredVars}}{{#hasRequired}}{{#hasOptional}},
 {{/hasOptional}}{{/hasRequired}}{{#optionalVars}}{{>dataClassOptVar}}{{^-last}},
 {{/-last}}{{/optionalVars}}
-) {{/discriminator}}{{#parent}}: {{{.}}}{{#serializableModel}}, Serializable{{/serializableModel}}{{/parent}}{{#serializableModel}}: Serializable{{/serializableModel}}{
+    ) {{/discriminator}}{{#parent}}: {{{.}}}{{#serializableModel}}, Serializable{{/serializableModel}}{{/parent}}{{^parent}}{{#serializableModel}}: Serializable{{/serializableModel}}{{/parent}}{
 {{#discriminator}}
     {{#requiredVars}}
         {{>interfaceReqVar}}

samples/server/petstore/kotlin-spring-cloud/src/main/kotlin/org/openapitools/model/Category.kt

@@ -24,7 +24,7 @@ data class Category(
 
     @get:Pattern(regexp="^[a-zA-Z0-9]+[a-zA-Z0-9\\.\\-_]*[a-zA-Z0-9]+$")
     @get:JsonProperty("name") val name: kotlin.String? = null
-) : Serializable{
+    ) : Serializable{
 
     companion object {
         private const val serialVersionUID: kotlin.Long = 1

samples/server/petstore/kotlin-spring-cloud/src/main/kotlin/org/openapitools/model/ModelApiResponse.kt

@@ -26,7 +26,7 @@ data class ModelApiResponse(
     @get:JsonProperty("type") val type: kotlin.String? = null,
 
     @get:JsonProperty("message") val message: kotlin.String? = null
-) : Serializable{
+    ) : Serializable{
 
     companion object {
         private const val serialVersionUID: kotlin.Long = 1

samples/server/petstore/kotlin-spring-cloud/src/main/kotlin/org/openapitools/model/Order.kt

@@ -37,7 +37,7 @@ data class Order(
     @get:JsonProperty("status") val status: Order.Status? = null,
 
     @get:JsonProperty("complete") val complete: kotlin.Boolean? = false
-) : Serializable{
+    ) : Serializable{
 
     /**
     * Order Status

samples/server/petstore/kotlin-spring-cloud/src/main/kotlin/org/openapitools/model/Pet.kt

@@ -42,7 +42,7 @@ data class Pet(
 
     @Deprecated(message = "")
     @get:JsonProperty("status") val status: Pet.Status? = null
-) : Serializable{
+    ) : Serializable{
 
     /**
     * pet status in the store

samples/server/petstore/kotlin-spring-cloud/src/main/kotlin/org/openapitools/model/Tag.kt

@@ -23,7 +23,7 @@ data class Tag(
     @get:JsonProperty("id") val id: kotlin.Long? = null,
 
     @get:JsonProperty("name") val name: kotlin.String? = null
-) : Serializable{
+    ) : Serializable{
 
     companion object {
         private const val serialVersionUID: kotlin.Long = 1

samples/server/petstore/kotlin-spring-cloud/src/main/kotlin/org/openapitools/model/User.kt

@@ -41,7 +41,7 @@ data class User(
     @get:JsonProperty("phone") val phone: kotlin.String? = null,
 
     @get:JsonProperty("userStatus") val userStatus: kotlin.Int? = null
-) : Serializable{
+    ) : Serializable{
 
     companion object {
         private const val serialVersionUID: kotlin.Long = 1

samples/server/petstore/kotlin-spring-default/src/main/kotlin/org/openapitools/model/Annotation.kt

@@ -21,7 +21,7 @@ data class Annotation(
 
     @Schema(example = "null", description = "")
     @get:JsonProperty("id") val id: java.util.UUID? = null
-) {
+    ) {
 
 }
 

samples/server/petstore/kotlin-spring-default/src/main/kotlin/org/openapitools/model/AnyOfUserOrPet.kt

@@ -78,7 +78,7 @@ data class AnyOfUserOrPet(
     @Schema(example = "null", description = "pet status in the store")
     @Deprecated(message = "")
     @get:JsonProperty("status") val status: AnyOfUserOrPet.Status? = null
-) {
+    ) {
 
     /**
     * pet status in the store

samples/server/petstore/kotlin-spring-default/src/main/kotlin/org/openapitools/model/AnyOfUserOrPetOrArrayString.kt

@@ -78,7 +78,7 @@ data class AnyOfUserOrPetOrArrayString(
     @Schema(example = "null", description = "pet status in the store")
     @Deprecated(message = "")
     @get:JsonProperty("status") val status: AnyOfUserOrPetOrArrayString.Status? = null
-) {
+    ) {
 
     /**
     * pet status in the store