[kotlin] Add json annotation to each enum value. (#7908)

* [kotlin] Add moshi.Json annotation.

* [kotlin] update petstore samples.

* [kotlin] Remove extra new lines.

Author: ejithon

modules/swagger-codegen/src/main/resources/kotlin-client/data_class.mustache

@@ -1,3 +1,6 @@
+{{#hasEnums}}
+import com.squareup.moshi.Json
+{{/hasEnums}}
 /**
  * {{{description}}}
 {{#vars}}
@@ -18,7 +21,7 @@ data class {{classname}} (
     */
     enum class {{nameInCamelCase}}(val value: {{datatype}}){
     {{#allowableValues}}{{#enumVars}}
-        {{&name}}({{{value}}}){{^-last}},{{/-last}}{{#-last}};{{/-last}}
+        @Json(name = {{{value}}}) {{&name}}({{{value}}}){{^-last}},{{/-last}}{{#-last}};{{/-last}}
     {{/enumVars}}{{/allowableValues}}
     }
 {{/isEnum}}{{/vars}}{{/hasEnums}}

modules/swagger-codegen/src/main/resources/kotlin-client/enum_class.mustache

@@ -1,9 +1,11 @@
+import com.squareup.moshi.Json
+
 /**
 * {{{description}}}
 * Values: {{#allowableValues}}{{#enumVars}}{{&name}}{{^-last}},{{/-last}}{{/enumVars}}{{/allowableValues}}
 */
 enum class {{classname}}(val value: {{dataType}}){
 {{#allowableValues}}{{#enumVars}}
-    {{&name}}({{{value}}}){{^-last}},{{/-last}}{{#-last}};{{/-last}}
+    @Json(name = {{{value}}}) {{&name}}({{{value}}}){{^-last}},{{/-last}}{{#-last}};{{/-last}}
 {{/enumVars}}{{/allowableValues}}
 }

samples/client/petstore/kotlin-string/docs/UserApi.md

@@ -213,7 +213,7 @@ Get user by user name
 //import io.swagger.client.models.*
 
 val apiInstance = UserApi()
-val username : kotlin.String = username_example // kotlin.String | The name that needs to be fetched. Use user1 for testing. 
+val username : kotlin.String = username_example // kotlin.String | The name that needs to be fetched. Use user1 for testing.
 try {
     val result : User = apiInstance.getUserByName(username)
     println(result)
@@ -230,7 +230,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **kotlin.String**| The name that needs to be fetched. Use user1 for testing.  |
+ **username** | **kotlin.String**| The name that needs to be fetched. Use user1 for testing. |
 
 ### Return type
 

samples/client/petstore/kotlin-string/src/main/kotlin/io/swagger/client/apis/UserApi.kt

@@ -144,7 +144,7 @@ class UserApi(basePath: kotlin.String = "http://petstore.swagger.io/v2") : ApiCl
     /**
     * Get user by user name
     * 
-    * @param username The name that needs to be fetched. Use user1 for testing.  
+    * @param username The name that needs to be fetched. Use user1 for testing. 
     * @return User
     */
     @Suppress("UNCHECKED_CAST")

samples/client/petstore/kotlin-string/src/main/kotlin/io/swagger/client/infrastructure/ApiClient.kt

@@ -85,9 +85,9 @@ open class ApiClient(val baseUrl: String) {
             RequestMethod.DELETE -> Request.Builder().url(url).delete()
             RequestMethod.GET -> Request.Builder().url(url)
             RequestMethod.HEAD -> Request.Builder().url(url).head()
-            RequestMethod.PATCH -> Request.Builder().url(url).patch(requestBody(body!!, contentType))
-            RequestMethod.PUT -> Request.Builder().url(url).put(requestBody(body!!, contentType))
-            RequestMethod.POST -> Request.Builder().url(url).post(requestBody(body!!, contentType))
+            RequestMethod.PATCH -> Request.Builder().url(url).patch(requestBody(body, contentType))
+            RequestMethod.PUT -> Request.Builder().url(url).put(requestBody(body, contentType))
+            RequestMethod.POST -> Request.Builder().url(url).post(requestBody(body, contentType))
             RequestMethod.OPTIONS -> Request.Builder().url(url).method("OPTIONS", null)
         }
 

samples/client/petstore/kotlin-string/src/main/kotlin/io/swagger/client/models/Order.kt

@@ -12,6 +12,7 @@
 package io.swagger.client.models
 
 
+import com.squareup.moshi.Json
 /**
  * An order for a pets from the pet store
  * @param id 
@@ -35,13 +36,13 @@ data class Order (
     * Order Status
     * Values: placed,approved,delivered
     */
-    enum class Status(val value: kotlin.Any){
+    enum class Status(val value: kotlin.String){
 
-        placed("placed"),
+        @Json(name = "placed") placed("placed"),
 
-        approved("approved"),
+        @Json(name = "approved") approved("approved"),
 
-        delivered("delivered");
+        @Json(name = "delivered") delivered("delivered");
 
     }
 

samples/client/petstore/kotlin-string/src/main/kotlin/io/swagger/client/models/Pet.kt

@@ -14,6 +14,7 @@ package io.swagger.client.models
 import io.swagger.client.models.Category
 import io.swagger.client.models.Tag
 
+import com.squareup.moshi.Json
 /**
  * A pet for sale in the pet store
  * @param id 
@@ -37,13 +38,13 @@ data class Pet (
     * pet status in the store
     * Values: available,pending,sold
     */
-    enum class Status(val value: kotlin.Any){
+    enum class Status(val value: kotlin.String){
 
-        available("available"),
+        @Json(name = "available") available("available"),
 
-        pending("pending"),
+        @Json(name = "pending") pending("pending"),
 
-        sold("sold");
+        @Json(name = "sold") sold("sold");
 
     }
 

samples/client/petstore/kotlin-threetenbp/docs/UserApi.md

@@ -213,7 +213,7 @@ Get user by user name
 //import io.swagger.client.models.*
 
 val apiInstance = UserApi()
-val username : kotlin.String = username_example // kotlin.String | The name that needs to be fetched. Use user1 for testing. 
+val username : kotlin.String = username_example // kotlin.String | The name that needs to be fetched. Use user1 for testing.
 try {
     val result : User = apiInstance.getUserByName(username)
     println(result)
@@ -230,7 +230,7 @@ try {
 
 Name | Type | Description  | Notes
 ------------- | ------------- | ------------- | -------------
- **username** | **kotlin.String**| The name that needs to be fetched. Use user1 for testing.  |
+ **username** | **kotlin.String**| The name that needs to be fetched. Use user1 for testing. |
 
 ### Return type
 

samples/client/petstore/kotlin-threetenbp/src/main/kotlin/io/swagger/client/apis/UserApi.kt

@@ -145,7 +145,7 @@ class UserApi(basePath: kotlin.String = "http://petstore.swagger.io/v2") : ApiCl
     /**
     * Get user by user name
     * 
-    * @param username The name that needs to be fetched. Use user1 for testing.  
+    * @param username The name that needs to be fetched. Use user1 for testing. 
     * @return User
     */
     @Suppress("UNCHECKED_CAST")

samples/client/petstore/kotlin-threetenbp/src/main/kotlin/io/swagger/client/infrastructure/ApiClient.kt

@@ -85,9 +85,9 @@ open class ApiClient(val baseUrl: String) {
             RequestMethod.DELETE -> Request.Builder().url(url).delete()
             RequestMethod.GET -> Request.Builder().url(url)
             RequestMethod.HEAD -> Request.Builder().url(url).head()
-            RequestMethod.PATCH -> Request.Builder().url(url).patch(requestBody(body!!, contentType))
-            RequestMethod.PUT -> Request.Builder().url(url).put(requestBody(body!!, contentType))
-            RequestMethod.POST -> Request.Builder().url(url).post(requestBody(body!!, contentType))
+            RequestMethod.PATCH -> Request.Builder().url(url).patch(requestBody(body, contentType))
+            RequestMethod.PUT -> Request.Builder().url(url).put(requestBody(body, contentType))
+            RequestMethod.POST -> Request.Builder().url(url).post(requestBody(body, contentType))
             RequestMethod.OPTIONS -> Request.Builder().url(url).method("OPTIONS", null)
         }