Add openapi kotlin generator to project

build.gradle.kts

@@ -1,21 +1,46 @@
 plugins {
     kotlin("jvm") version "2.0.21"
+    id("org.openapi.generator") version "7.10.0"
 }
 
 group = "com.kashiuno"
-version = "1.0-SNAPSHOT"
+version = "1.0.0"
+
+val generatedSourcesDir = "$buildDir/generated/openapi"
 
 repositories {
     mavenCentral()
 }
 
 dependencies {
+    compileOnly("com.squareup.okhttp3:okhttp:4.12.0")
+    compileOnly("com.squareup.moshi:moshi-kotlin:1.15.2")
     testImplementation(kotlin("test"))
 }
 
 tasks.test {
     useJUnitPlatform()
 }
+
 kotlin {
     jvmToolchain(17)
+}
+
+tasks.openApiGenerate {
+    generatorName.set("kotlin")
+    inputSpec.set("$rootDir/src/main/resources/openapi-contract.yaml")
+    outputDir.set(generatedSourcesDir)
+    packageName.set("com.kashiuno")
+}
+
+sourceSets {
+    getByName("main") {
+        kotlin {
+            srcDir("$generatedSourcesDir/src/main/kotlin")
+        }
+    }
+}
+
+tasks.compileKotlin {
+    dependsOn(tasks.openApiGenerate)
 }