Improving Misk Kotlin Server Generator (#20973)

* first pass

* fixing types

* fixing action

* updating samples

* updating files

* adding guido

* fixing misk

* removing old files

* cleaning generated files

* cleaning generated files

* adding back in license

Author: andrewwilsonnew

Diff for: README.md

@@ -1139,7 +1139,7 @@ Here is a list of template creators:
    * Kotlin (Spring Boot): @dr4ke616
    * Kotlin (Vertx): @Wooyme
    * Kotlin (JAX-RS): @anttileppa
-   * Kotlin Misk: @andrewwilsonnew
+   * Kotlin Misk: @andrewwilsonnew @guiarn
    * Kotlin WireMock: @stefankoppier
    * NodeJS Express: @YishTish
    * PHP Flight: @daniel-sc

Diff for: modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/KotlinMiskServerCodegen.java

@@ -57,8 +57,7 @@ public class KotlinMiskServerCodegen extends AbstractKotlinCodegen implements Be
     protected String rootPackage = "org.openapitools.server.api";
     protected String apiVersion = "1.0.0-SNAPSHOT";
 
-    @Setter
-    protected String moduleClassName = "OpenApiModule";
+    @Setter protected String moduleClassName = "OpenApiModule";
 
     @Override
     public CodegenType getTag() {
@@ -122,7 +121,7 @@ public KotlinMiskServerCodegen() {
         supportingFiles.clear();
 
         apiTemplateFiles.clear();
-        apiTemplateFiles.put("apiController.mustache", "Controller.kt");
+        apiTemplateFiles.put("apiAction.mustache", "Action.kt");
         apiTemplateFiles.put("apiImpl.mustache", "Impl.kt");
         apiTemplateFiles.put("apiInterface.mustache", ".kt");
         modelTemplateFiles.put("model.mustache", ".kt");
@@ -199,30 +198,38 @@ public boolean getUseBeanValidation() {
     }
 
     private String mapMediaType(String mediaType) {
-        return MEDIA_MAPPING.getOrDefault(mediaType, "MediaTypes.APPLICATION_OCTETSTREAM /* unknown -> " + mediaType + " */ ");
+        return MEDIA_MAPPING.getOrDefault(mediaType, "MediaTypes.APPLICATION_OCTETSTREAM /* @todo(unknown) -> " + mediaType + " */ ");
     }
 
     private final static Map<String, String> MEDIA_MAPPING = getMappings();
 
     private static Map<String, String> getMappings() {
+        // add new values in order
         Map<String, String> result = new HashMap<>();
-        result.put("application/json", "MediaTypes.APPLICATION_JSON");
-        result.put("application/xml", "MediaTypes.APPLICATION_XML");
-        result.put("application/javascript", "MediaTypes.APPLICATION_JAVASCRIPT");
         result.put("*/*", "MediaTypes.ALL");
-        result.put("application/x-www-form-urlencoded", "MediaTypes.APPLICATION_FORM_URLENCODED");
+
+        result.put("application/grpc", "MediaTypes.APPLICATION_GRPC");
+        result.put("application/javascript", "MediaTypes.APPLICATION_JAVASCRIPT");
+        result.put("application/json", "MediaTypes.APPLICATION_JSON");
         result.put("application/octetstream", "MediaTypes.APPLICATION_OCTETSTREAM");
         result.put("application/pdf", "MediaTypes.APPLICATION_OCTETSTREAM");
         result.put("application/x-protobuf", "MediaTypes.APPLICATION_PROTOBUF");
-        result.put("application/grpc", "MediaTypes.APPLICATION_GRPC");
-        result.put("text/css", "MediaTypes.TEXT_CSS");
-        result.put("text/html", "MediaTypes.TEXT_HTML");
-        result.put("text/plain", "MediaTypes.TEXT_PLAIN_UTF8");
+        result.put("application/x-www-form-urlencoded", "MediaTypes.APPLICATION_FORM_URLENCODED");
+        result.put("application/xml", "MediaTypes.APPLICATION_XML");
+        result.put("application/zip", "MediaTypes.APPLICATION_ZIP");
+
+        result.put("image/gif", "MediaTypes.IMAGE_GIF");
+        result.put("image/jpeg", "MediaTypes.IMAGE_JPEG");
         result.put("image/png", "MediaTypes.IMAGE_PNG");
         result.put("image/svg+xml", "MediaTypes.IMAGE_SVG");
-        result.put("image/jpeg", "MediaTypes.IMAGE_JPEG");
-        result.put("image/gif", "MediaTypes.IMAGE_GIF");
         result.put("image/x-icon", "MediaTypes.IMAGE_ICO");
+
+        result.put("multipart/form-data", "MediaTypes.FORM_DATA");
+
+        result.put("text/css", "MediaTypes.TEXT_CSS");
+        result.put("text/html", "MediaTypes.TEXT_HTML");
+        result.put("text/plain", "MediaTypes.TEXT_PLAIN_UTF8");
+
         return result;
     }
 }

Diff for: modules/openapi-generator/src/main/resources/kotlin-misk/apiController.mustache renamed to modules/openapi-generator/src/main/resources/kotlin-misk/apiAction.mustache

@@ -34,10 +34,10 @@ import misk.web.mediatype.MediaTypes
 
 {{#operations}}
 /**
- * Generated file, please change {{classname}}Controller.
+ * Generated file, please change {{classname}}Impl.
  */
 @Singleton
-class {{classname}}Controller @Inject constructor(
+class {{classname}}Action @Inject constructor(
     private val {{#lambda.camelcase}}{{classname}}{{/lambda.camelcase}}: {{classname}}
 ) : WebAction, {{classname}} {
 {{#operation}}

Diff for: modules/openapi-generator/src/main/resources/kotlin-misk/api_test.mustache

@@ -21,7 +21,7 @@ internal class {{classname}}Test {
     {{#operations}}
     {{#operation}}
     /**
-     * To test {{classname}}Controller.{{operationId}}
+     * To test {{classname}}Action.{{operationId}}
      */
     @Test
     fun `should handle {{operationId}}`() {

Diff for: modules/openapi-generator/src/main/resources/kotlin-misk/build.gradle.kts.mustache

@@ -9,7 +9,7 @@ version = "{{artifactVersion}}"
 
 dependencies {
     implementation("jakarta.validation:jakarta.validation-api:3.1.1")
-    implementation("com.squareup.misk:misk:2025.03.17.160337-2c6953c")
+    implementation("com.squareup.misk:misk:2025.04.02.195630-a61d550")
     //implementation("com.squareup.wire:wire-runtime:5.2.1")
 
     testImplementation("com.squareup.misk:misk-testing:2025.02.11.123913-8a41324")

Diff for: modules/openapi-generator/src/main/resources/kotlin-misk/miskModule.mustache

@@ -6,7 +6,7 @@ import {{javaxPackage}}.inject.Singleton
 {{#apiInfo}}
 {{#apis}}
 {{#operations}}
-import {{apiPackage}}.{{classname}}Controller
+import {{apiPackage}}.{{classname}}Action
 {{/operations}}
 {{/apis}}
 {{/apiInfo}}
@@ -17,7 +17,7 @@ class {{moduleClassName}} : KAbstractModule() {
         {{#apiInfo}}
         {{#apis}}
         {{#operations}}
-        install(WebActionModule.create<{{classname}}Controller>())
+        install(WebActionModule.create<{{classname}}Action>())
         {{/operations}}
         {{/apis}}
         {{/apiInfo}}

Diff for: samples/server/petstore/kotlin-misk/.openapi-generator/FILES

@@ -11,14 +11,14 @@ docs/User.md
 docs/UserApi.md
 settings.gradle.kts
 src/main/kotlin/org/openapitools/server/api/api/PetApi.kt
-src/main/kotlin/org/openapitools/server/api/api/PetApiController.kt
+src/main/kotlin/org/openapitools/server/api/api/PetApiAction.kt
 src/main/kotlin/org/openapitools/server/api/api/PetApiImpl.kt
 src/main/kotlin/org/openapitools/server/api/api/PetStoreModule.kt
 src/main/kotlin/org/openapitools/server/api/api/StoreApi.kt
-src/main/kotlin/org/openapitools/server/api/api/StoreApiController.kt
+src/main/kotlin/org/openapitools/server/api/api/StoreApiAction.kt
 src/main/kotlin/org/openapitools/server/api/api/StoreApiImpl.kt
 src/main/kotlin/org/openapitools/server/api/api/UserApi.kt
-src/main/kotlin/org/openapitools/server/api/api/UserApiController.kt
+src/main/kotlin/org/openapitools/server/api/api/UserApiAction.kt
 src/main/kotlin/org/openapitools/server/api/api/UserApiImpl.kt
 src/main/kotlin/org/openapitools/server/api/model/Category.kt
 src/main/kotlin/org/openapitools/server/api/model/ModelApiResponse.kt

Diff for: samples/server/petstore/kotlin-misk/build.gradle.kts

@@ -9,7 +9,7 @@ version = "1.0.0-SNAPSHOT"
 
 dependencies {
     implementation("jakarta.validation:jakarta.validation-api:3.1.1")
-    implementation("com.squareup.misk:misk:2025.03.17.160337-2c6953c")
+    implementation("com.squareup.misk:misk:2025.04.02.195630-a61d550")
     //implementation("com.squareup.wire:wire-runtime:5.2.1")
 
     testImplementation("com.squareup.misk:misk-testing:2025.02.11.123913-8a41324")

Diff for: samples/server/petstore/kotlin-misk/docs/PetApi.md

@@ -395,6 +395,6 @@ Name | Type | Description  | Notes
 
 ### HTTP request headers
 
- - **Content-Type**: MediaTypes.APPLICATION_OCTETSTREAM /* unknown -> multipart/form-data */ 
+ - **Content-Type**: MediaTypes.FORM_DATA
  - **Accept**: MediaTypes.APPLICATION_JSON
 

Diff for: samples/server/petstore/kotlin-misk/src/main/kotlin/org/openapitools/server/api/api/PetApiController.kt renamed to samples/server/petstore/kotlin-misk/src/main/kotlin/org/openapitools/server/api/api/PetApiAction.kt

@@ -31,10 +31,10 @@ import org.openapitools.server.api.model.ModelApiResponse
 import org.openapitools.server.api.model.Pet
 
 /**
- * Generated file, please change PetApiController.
+ * Generated file, please change PetApiImpl.
  */
 @Singleton
-class PetApiController @Inject constructor(
+class PetApiAction @Inject constructor(
     private val petApi: PetApi
 ) : WebAction, PetApi {
 
@@ -97,7 +97,7 @@ class PetApiController @Inject constructor(
 
     @Post("/pet/{petId}/uploadImage")
     @Description("uploads an image")
-    @RequestContentType(MediaTypes.APPLICATION_OCTETSTREAM /* unknown -> multipart/form-data */ )
+    @RequestContentType(MediaTypes.FORM_DATA)
     @ResponseContentType(MediaTypes.APPLICATION_JSON)
     @LogRequestResponse(bodySampling = 1.0, errorBodySampling = 1.0)
     override fun uploadFile(@PathParam("petId") petId: kotlin.Long, @QueryParam(value = "additionalMetadata") additionalMetadata: kotlin.String? , @Valid file: HttpCall): ModelApiResponse {

Diff for: samples/server/petstore/kotlin-misk/src/main/kotlin/org/openapitools/server/api/api/PetStoreModule.kt

@@ -3,15 +3,15 @@ package org.openapitools.server.api.api
 import misk.inject.KAbstractModule
 import misk.web.WebActionModule
 import jakarta.inject.Singleton
-import org.openapitools.server.api.api.PetApiController
-import org.openapitools.server.api.api.StoreApiController
-import org.openapitools.server.api.api.UserApiController
+import org.openapitools.server.api.api.PetApiAction
+import org.openapitools.server.api.api.StoreApiAction
+import org.openapitools.server.api.api.UserApiAction
 
 @Singleton
 class PetStoreModule : KAbstractModule() {
     override fun configure() {
-        install(WebActionModule.create<PetApiController>())
-        install(WebActionModule.create<StoreApiController>())
-        install(WebActionModule.create<UserApiController>())
+        install(WebActionModule.create<PetApiAction>())
+        install(WebActionModule.create<StoreApiAction>())
+        install(WebActionModule.create<UserApiAction>())
     }
 }

Diff for: samples/server/petstore/kotlin-misk/src/main/kotlin/org/openapitools/server/api/api/StoreApiController.kt renamed to samples/server/petstore/kotlin-misk/src/main/kotlin/org/openapitools/server/api/api/StoreApiAction.kt

@@ -30,10 +30,10 @@ import misk.web.mediatype.MediaTypes
 import org.openapitools.server.api.model.Order
 
 /**
- * Generated file, please change StoreApiController.
+ * Generated file, please change StoreApiImpl.
  */
 @Singleton
-class StoreApiController @Inject constructor(
+class StoreApiAction @Inject constructor(
     private val storeApi: StoreApi
 ) : WebAction, StoreApi {
 

Diff for: samples/server/petstore/kotlin-misk/src/main/kotlin/org/openapitools/server/api/api/UserApiController.kt renamed to samples/server/petstore/kotlin-misk/src/main/kotlin/org/openapitools/server/api/api/UserApiAction.kt

@@ -30,10 +30,10 @@ import misk.web.mediatype.MediaTypes
 import org.openapitools.server.api.model.User
 
 /**
- * Generated file, please change UserApiController.
+ * Generated file, please change UserApiImpl.
  */
 @Singleton
-class UserApiController @Inject constructor(
+class UserApiAction @Inject constructor(
     private val userApi: UserApi
 ) : WebAction, UserApi {
 

Diff for: samples/server/petstore/kotlin-misk/src/test/kotlin/org/openapitools/server/api/api/PetApiTest.kt

@@ -19,7 +19,7 @@ internal class PetApiTest {
     @Inject private lateinit var petApi: PetApi
 
     /**
-     * To test PetApiController.addPet
+     * To test PetApiAction.addPet
      */
     @Test
     fun `should handle addPet`() {
@@ -28,7 +28,7 @@ internal class PetApiTest {
     }
 
     /**
-     * To test PetApiController.deletePet
+     * To test PetApiAction.deletePet
      */
     @Test
     fun `should handle deletePet`() {
@@ -38,7 +38,7 @@ internal class PetApiTest {
     }
 
     /**
-     * To test PetApiController.findPetsByStatus
+     * To test PetApiAction.findPetsByStatus
      */
     @Test
     fun `should handle findPetsByStatus`() {
@@ -47,7 +47,7 @@ internal class PetApiTest {
     }
 
     /**
-     * To test PetApiController.findPetsByTags
+     * To test PetApiAction.findPetsByTags
      */
     @Test
     fun `should handle findPetsByTags`() {
@@ -56,7 +56,7 @@ internal class PetApiTest {
     }
 
     /**
-     * To test PetApiController.getPetById
+     * To test PetApiAction.getPetById
      */
     @Test
     fun `should handle getPetById`() {
@@ -65,7 +65,7 @@ internal class PetApiTest {
     }
 
     /**
-     * To test PetApiController.updatePet
+     * To test PetApiAction.updatePet
      */
     @Test
     fun `should handle updatePet`() {
@@ -74,7 +74,7 @@ internal class PetApiTest {
     }
 
     /**
-     * To test PetApiController.updatePetWithForm
+     * To test PetApiAction.updatePetWithForm
      */
     @Test
     fun `should handle updatePetWithForm`() {
@@ -85,7 +85,7 @@ internal class PetApiTest {
     }
 
     /**
-     * To test PetApiController.uploadFile
+     * To test PetApiAction.uploadFile
      */
     @Test
     fun `should handle uploadFile`() {

Diff for: samples/server/petstore/kotlin-misk/src/test/kotlin/org/openapitools/server/api/api/StoreApiTest.kt

@@ -18,7 +18,7 @@ internal class StoreApiTest {
     @Inject private lateinit var storeApi: StoreApi
 
     /**
-     * To test StoreApiController.deleteOrder
+     * To test StoreApiAction.deleteOrder
      */
     @Test
     fun `should handle deleteOrder`() {
@@ -27,15 +27,15 @@ internal class StoreApiTest {
     }
 
     /**
-     * To test StoreApiController.getInventory
+     * To test StoreApiAction.getInventory
      */
     @Test
     fun `should handle getInventory`() {
         val response: kotlin.collections.Map<kotlin.String, kotlin.Int> = storeApi.getInventory()
     }
 
     /**
-     * To test StoreApiController.getOrderById
+     * To test StoreApiAction.getOrderById
      */
     @Test
     fun `should handle getOrderById`() {
@@ -44,7 +44,7 @@ internal class StoreApiTest {
     }
 
     /**
-     * To test StoreApiController.placeOrder
+     * To test StoreApiAction.placeOrder
      */
     @Test
     fun `should handle placeOrder`() {