refactor: leverage mappie

Signed-off-by: Alan Brault <alan.brault@visus.io>

build.gradle.kts

@@ -4,6 +4,7 @@ plugins {
     id("org.springframework.boot") version "4.1.0-M2"
     id("io.spring.dependency-management") version "1.1.7"
     id("org.jlleitschuh.gradle.ktlint") version "12.1.0"
+    id("tech.mappie.plugin") version "2.2.21-2.1.1"
 }
 
 group = "io.visus.demos"
@@ -43,6 +44,7 @@ dependencies {
     implementation("org.springframework.boot:spring-boot-starter-security")
     implementation("org.springframework.boot:spring-boot-starter-webmvc")
     implementation("org.jetbrains.kotlin:kotlin-reflect")
+    implementation("tech.mappie:mappie-api:2.2.21-2.1.1")
     implementation("org.springdoc:springdoc-openapi-starter-webmvc-ui:2.8.4")
     testImplementation("org.springframework.boot:spring-boot-starter-mongodb-test")
     testImplementation("org.springframework.boot:spring-boot-starter-restclient-test")

src/main/kotlin/io/visus/demos/kotlinapi/api/dto/ComponentHealthDto.kt

@@ -1,7 +1,6 @@
 package io.visus.demos.kotlinapi.api.dto
 
 import io.swagger.v3.oas.annotations.media.Schema
-import io.visus.demos.kotlinapi.domain.model.ComponentHealth
 
 @Schema(description = "Health status of an individual component")
 data class ComponentHealthDto(
@@ -9,12 +8,4 @@ data class ComponentHealthDto(
     val status: String,
     @Schema(description = "Optional message with additional details", example = "MongoDB connection is active")
     val message: String? = null,
-) {
-    companion object {
-        fun from(componentHealth: ComponentHealth): ComponentHealthDto =
-            ComponentHealthDto(
-                status = componentHealth.status.name,
-                message = componentHealth.message,
 )
-    }
-}

src/main/kotlin/io/visus/demos/kotlinapi/api/dto/HealthResponse.kt

@@ -1,8 +1,6 @@
 package io.visus.demos.kotlinapi.api.dto
 
 import io.swagger.v3.oas.annotations.media.Schema
-import io.visus.demos.kotlinapi.domain.model.ComponentHealth
-import io.visus.demos.kotlinapi.domain.model.HealthStatus
 
 @Schema(description = "Health check response")
 data class HealthResponse(
@@ -12,18 +10,4 @@ data class HealthResponse(
     val timestamp: String,
     @Schema(description = "Status of individual components")
     val components: Map<String, ComponentHealthDto>? = null,
-) {
-    companion object {
-        fun from(healthStatus: HealthStatus): HealthResponse =
-            HealthResponse(
-                status = healthStatus.status.name,
-                timestamp = healthStatus.timestamp.toString(),
-                components =
-                    if (healthStatus.components.isNotEmpty()) {
-                        healthStatus.components.mapValues { ComponentHealthDto.from(it.value) }
-                    } else {
-                        null
-                    },
 )
-    }
-}

src/main/kotlin/io/visus/demos/kotlinapi/api/mappers/ComponentHealthDtoMapper.kt

@@ -0,0 +1,14 @@
+package io.visus.demos.kotlinapi.api.mappers
+
+import io.visus.demos.kotlinapi.api.dto.ComponentHealthDto
+import io.visus.demos.kotlinapi.domain.model.ComponentHealth
+import tech.mappie.api.ObjectMappie
+
+object ComponentHealthDtoMapper : ObjectMappie<ComponentHealth, ComponentHealthDto>() {
+    override fun map(from: ComponentHealth): ComponentHealthDto {
+        return ComponentHealthDto(
+            status = from.status.name,
+            message = from.message,
+        )
+    }
+}

src/main/kotlin/io/visus/demos/kotlinapi/api/mappers/HealthResponseMapper.kt

@@ -0,0 +1,17 @@
+package io.visus.demos.kotlinapi.api.mappers
+
+import io.visus.demos.kotlinapi.api.dto.HealthResponse
+import io.visus.demos.kotlinapi.domain.model.HealthStatus
+import tech.mappie.api.ObjectMappie
+
+object HealthResponseMapper : ObjectMappie<HealthStatus, HealthResponse>() {
+    override fun map(from: HealthStatus): HealthResponse {
+        return HealthResponse(
+            status = from.status.name,
+            timestamp = from.timestamp.toString(),
+            components = from.components.mapValues { (_, componentHealth) ->
+                ComponentHealthDtoMapper.map(componentHealth)
+            }
+        )
+    }
+}

src/main/kotlin/io/visus/demos/kotlinapi/controller/HealthController.kt

@@ -6,6 +6,7 @@ import io.swagger.v3.oas.annotations.media.Schema
 import io.swagger.v3.oas.annotations.responses.ApiResponse
 import io.swagger.v3.oas.annotations.tags.Tag
 import io.visus.demos.kotlinapi.api.dto.HealthResponse
+import io.visus.demos.kotlinapi.api.mappers.HealthResponseMapper
 import io.visus.demos.kotlinapi.domain.model.HealthStatus
 import io.visus.demos.kotlinapi.domain.model.Status
 import io.visus.demos.kotlinapi.domain.service.HealthService
@@ -50,7 +51,7 @@ class HealthController(
     fun health(): ResponseEntity<HealthResponse> {
         val componentHealths = healthCheckServices.map { it.check() }
         val healthStatus = HealthStatus.fromComponents(componentHealths)
-        val response = HealthResponse.from(healthStatus)
+        val response = HealthResponseMapper.map(healthStatus)
 
         val httpStatus =
             when (healthStatus.status) {