cafe-05-end 셋팅

src/main/kotlin/com/example/Application.kt

@@ -1,6 +1,7 @@
 package com.example
 
 import com.example.config.configureDatabase
+import com.example.config.configureDependencyInjection
 import com.example.config.configureRouting
 import com.example.config.configureSerialization
 import com.example.domain.CafeMenuTable
@@ -13,8 +14,7 @@ fun main(args: Array<String>) {
 
 fun Application.module() {
     configureDatabase()
+    configureDependencyInjection()
     configureSerialization()
-
-    val cafeMenuRepository = CafeMenuRepository(CafeMenuTable)
-    configureRouting(cafeMenuRepository)
+    configureRouting()
 }

src/main/kotlin/com/example/config/DependencyInjection.kt

@@ -0,0 +1,28 @@
+package com.example.config
+
+import com.example.domain.CafeMenuTable
+import com.example.domain.CafeOrderTable
+import com.example.domain.CafeUserTable
+import com.example.domain.repository.CafeMenuRepository
+import com.example.domain.repository.CafeOrderRepository
+import com.example.domain.repository.CafeUserRepository
+import com.example.service.MenuService
+import io.ktor.server.application.*
+import org.koin.dsl.module
+import org.koin.ktor.plugin.Koin
+import org.koin.logger.slf4jLogger
+
+val appModule = module {
+    single { CafeMenuRepository(CafeMenuTable) }
+    single { CafeUserRepository(CafeUserTable) }
+    single { CafeOrderRepository(CafeOrderTable) }
+
+    single { MenuService(get()) }
+}
+
+fun Application.configureDependencyInjection() {
+    install(Koin) {
+        slf4jLogger()
+        modules(appModule)
+    }
+}

src/main/kotlin/com/example/config/Routing.kt

@@ -1,29 +1,33 @@
 package com.example.config
 
 import com.example.domain.repository.CafeMenuRepository
+import com.example.service.MenuService
 import com.example.shared.CafeOrderStatus
 import com.example.shared.dto.OrderDto
 import io.ktor.server.application.*
 import io.ktor.server.request.*
 import io.ktor.server.response.*
 import io.ktor.server.routing.*
+import org.koin.ktor.ext.inject
 import java.time.LocalDateTime
 
 
-fun Application.configureRouting(cafeMenuRepository: CafeMenuRepository) {
+fun Application.configureRouting() {
+    val menuService by inject<MenuService>()
+
     routing {
         get("/") {
             call.respondText("Hello World!")
         }
 
         route("/api") {
             get("/menus") {
-                val list = cafeMenuRepository.findAll()
+                val list = menuService.findAll()
                 call.respond(list)
             }
             post("/orders") {
                 val request = call.receive<OrderDto.CreateRequest>()
-                val selectedMenu = cafeMenuRepository.read(request.menuId)!!
+                val selectedMenu = menuService.getMenu(request.menuId)
                 val order = OrderDto.DisplayResponse(
                     orderCode = "ordercode1",
                     menuName = selectedMenu.name,

src/main/kotlin/com/example/service/MenuService.kt

@@ -0,0 +1,17 @@
+package com.example.service
+
+import com.example.domain.model.CafeMenu
+import com.example.domain.repository.CafeMenuRepository
+
+class MenuService(
+    private val cafeMenuRepository: CafeMenuRepository
+) {
+    fun findAll(): List<CafeMenu> {
+        return cafeMenuRepository.findAll()
+    }
+
+    fun getMenu(id: Long): CafeMenu {
+        return cafeMenuRepository.read(id)
+            ?: throw IllegalArgumentException("Menu not found")
+    }
+}