Add all layers implementation.

.gitea/gitea-runner.yml

@@ -1,9 +0,0 @@
-services:
-  runner:
-    image: docker.io/gitea/act_runner:latest
-    environment:
-      GITEA_INSTANCE_URL: "http://192.168.0.25:3000"
-      GITEA_RUNNER_REGISTRATION_TOKEN: "IfowioCs4PedXyRJMnedDVCXkRHjyDrZv1sdvaif"
-      GITEA_RUNNER_NAME: "runner-1"
-    volumes:
-      - /var/run/docker.sock:/var/run/docker.sock

.gitea/workflows/build-and-deploy.yml

@@ -1,50 +0,0 @@
-name: Build and Deploy Kotlin gradle Application
-
-on:
-  push:
-    branches:
-      - working-poc
-
-jobs:
-  build-and-deploy:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-      - name: Build backend docker image
-        run: |
-          sudo /usr/bin/docker build -t gitea-workshop-app -f ./Dockerfile-backend . --no-cache
-
-      - name: Extract backend docker image into archive
-        run: |
-          sudo /usr/bin/docker save gitea-workshop-app:latest -o ./gitea-workshop-app.tar
-
-      - name: Transfer artifacts to remote server
-        env:
-          SSH_PRIVATE_KEY: ${{ secrets.PROD_SSH_PRIVATE_KEY }}
-          REMOTE_HOST: ${{ secrets.PROD_REMOTE_HOST }}
-          REMOTE_USER: ${{ secrets.PROD_REMOTE_USER }}
-          REMOTE_PORT: ${{ secrets.PROD_REMOTE_PORT }}
-          REMOTE_PATH: ${{ secrets.PROD_REMOTE_PATH }}
-        run: |
-          mkdir -p ~/.ssh
-          echo "$SSH_PRIVATE_KEY" > ~/.ssh/id_rsa
-          chmod 400 ~/.ssh/id_rsa
-          scp -o StrictHostKeyChecking=no -P $REMOTE_PORT ./gitea-workshop-app.tar $REMOTE_USER@$REMOTE_HOST:$REMOTE_PATH
-          scp -o StrictHostKeyChecking=no -P $REMOTE_PORT ./docker-compose.yml $REMOTE_USER@$REMOTE_HOST:$REMOTE_PATH
-
-      - name: Launch application onto remote server
-        env:
-          SSH_PRIVATE_KEY: ${{ secrets.PROD_SSH_PRIVATE_KEY }}
-          REMOTE_HOST: ${{ secrets.PROD_REMOTE_HOST }}
-          REMOTE_USER: ${{ secrets.PROD_REMOTE_USER }}
-          REMOTE_PORT: ${{ secrets.PROD_REMOTE_PORT }}
-          REMOTE_PATH: ${{ secrets.PROD_REMOTE_PATH }}
-        run: |
-          ssh -o StrictHostKeyChecking=no $REMOTE_HOST -l $REMOTE_USER -p $REMOTE_PORT << EOC
-            cd $REMOTE_PATH
-            sudo /usr/bin/docker load < $REMOTE_PATH/gitea-workshop-app.tar
-            sudo /usr/bin/docker compose down
-            sudo /usr/bin/docker compose up --detach
-          EOC

Dockerfile-backend

@@ -1,15 +0,0 @@
-FROM gradle:8.12.1-jdk21 AS builder
-COPY ./gradlew /app/
-COPY ./build.gradle.kts /app/
-COPY ./settings.gradle.kts /app/
-COPY ./demo-application /app/demo-application
-COPY ./demo-domain /app/demo-domain
-COPY ./demo-exposition /app/demo-exposition
-COPY ./demo-infrastructure /app/demo-infrastructure
-COPY ./demo-launcher /app/demo-launcher
-WORKDIR /app
-RUN gradle build jar
-
-FROM eclipse-temurin:21-jre-alpine AS final
-COPY --from=builder /app/demo-launcher/build/libs/demo-launcher.jar /app/demo-launcher.jar
-CMD ["java", "-jar", "/app/demo-launcher.jar"]

bruno-rest/GiteaActionsWorkshop/Debug.bru

@@ -1,11 +0,0 @@
-meta {
-  name: Debug
-  type: http
-  seq: 3
-}
-
-get {
-  url: {{url}}/api/debug/info
-  body: none
-  auth: none
-}

bruno-rest/GiteaActionsWorkshop/Get all products.bru

@@ -1,11 +0,0 @@
-meta {
-  name: Get all products
-  type: http
-  seq: 2
-}
-
-get {
-  url: {{url}}/api/products
-  body: none
-  auth: none
-}

bruno-rest/GiteaActionsWorkshop/bruno.json

@@ -1,9 +0,0 @@
-{
-  "version": "1",
-  "name": "GiteaActionsWorkshop",
-  "type": "collection",
-  "ignore": [
-    "node_modules",
-    ".git"
-  ]
-}

bruno-rest/GiteaActionsWorkshop/environments/Localhost.bru

@@ -1,3 +0,0 @@
-vars {
-  url: http://localhost:8080
-}

build.gradle.kts

@@ -1,6 +1,13 @@
+object Versions {
+	const val springBoot = "3.4.3"
+	const val springDependencyManagement = "1.1.7"
+	const val kotlinJvm = "1.9.25"
+	const val kotlinPluginSpring = "1.9.25"
+}
+
 plugins {
-	kotlin("jvm") version "2.1.20"
-	kotlin("plugin.spring") version "2.1.20"
+	kotlin("jvm") version "1.9.25"
+	kotlin("plugin.spring") version "1.9.25"
 	id("io.spring.dependency-management") version "1.1.7"
 }
 
@@ -26,14 +33,14 @@ subprojects {
 	}
 
 	dependencies {
-		implementation(platform("org.springframework.boot:spring-boot-dependencies:3.4.4"))
-		implementation("com.michael-bull.kotlin-result:kotlin-result:2.0.1")
+		implementation(platform("org.springframework.boot:spring-boot-dependencies:${Versions.springBoot}"))
 	}
+
 }
 
 dependencyManagement {
 	imports {
-		mavenBom("org.springframework.boot:spring-boot-dependencies:3.4.4")
+		mavenBom("org.springframework.boot:spring-boot-dependencies:${Versions.springBoot}")
 	}
 }
 

demo-application/build.gradle.kts

@@ -1,12 +1,11 @@
 plugins {
     kotlin("jvm")
     id("io.spring.dependency-management") version "1.1.7"
+    id("java")
 }
 
 dependencies {
     implementation(kotlin("stdlib"))
     implementation(project(":demo-domain"))
     implementation("org.springframework:spring-context")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.6.4")
-    implementation("com.michael-bull.kotlin-result:kotlin-result-coroutines:2.0.1")
 }

demo-application/src/main/kotlin/com/example/demo/application/product/ProductUseCases.kt

@@ -1,45 +1,12 @@
 package com.example.demo.application.product
 
-import com.example.demo.domain.core.error.FunctionalError
-import com.example.demo.domain.product.inputport.ProductInputPort
 import com.example.demo.domain.product.model.Product
-import com.example.demo.domain.product.model.ProductType
-import com.example.demo.domain.product.outputport.ProductOutputPort
-import com.github.michaelbull.result.*
-import com.github.michaelbull.result.coroutines.coroutineBinding
+import com.example.demo.domain.product.port.ProductPort
 import org.springframework.stereotype.Service
-import java.util.*
 
 @Service
 class ProductUseCases(
-    private val productOutputPort: ProductOutputPort
-) : ProductInputPort {
-    override suspend fun getAll(): Result<List<Product>, FunctionalError> = productOutputPort.getAll()
-        .mapError { FunctionalError(it.message) }
-
-//    override suspend fun create(name: String, type: ProductType): Result<Product, FunctionalError> {
-//        if (name.isBlank()) {
-//            return Err(FunctionalError("Product name should be set."))
-//        }
-//
-//        val newProduct = Product(id = UUID.randomUUID(), name, type)
-//        return productOutputPort.save(newProduct)
-//            .mapError { FunctionalError(it.message) }
-//            .map { newProduct }
-//    }
-
-    override suspend fun create(name: String, type: ProductType): Result<Product, FunctionalError> = coroutineBinding {
-        validateName(name).bind()
-
-        val newProduct = Product(id = UUID.randomUUID(), name, type)
-        productOutputPort.save(newProduct)
-            .mapError { FunctionalError(it.message) }
-            .map { newProduct }
-            .bind()
-    }
-
-    private fun validateName(name: String): Result<Unit, FunctionalError> = when {
-        name.isBlank() -> Err(FunctionalError("Product name should be set."))
-        else -> Ok(Unit)
-    }
+    private val productPort: ProductPort
+) {
+    fun getAll(): List<Product> = productPort.getAll()
 }

demo-domain/build.gradle.kts

@@ -1,5 +1,6 @@
 plugins {
     kotlin("jvm")
+    id("java")
 }
 
 dependencies {

demo-domain/src/main/kotlin/com/example/demo/domain/core/error/DomainError.kt

@@ -1,3 +0,0 @@
-package com.example.demo.domain.core.error
-
-open class DomainError(val message: String)

demo-domain/src/main/kotlin/com/example/demo/domain/core/error/FunctionalError.kt

@@ -1,3 +0,0 @@
-package com.example.demo.domain.core.error
-
-class FunctionalError(message: String) : DomainError(message)

demo-domain/src/main/kotlin/com/example/demo/domain/core/error/TechnicalError.kt

@@ -1,3 +0,0 @@
-package com.example.demo.domain.core.error
-
-class TechnicalError(message: String) : DomainError(message)

demo-domain/src/main/kotlin/com/example/demo/domain/product/inputport/ProductInputPort.kt

@@ -1,11 +0,0 @@
-package com.example.demo.domain.product.inputport
-
-import com.example.demo.domain.core.error.FunctionalError
-import com.example.demo.domain.product.model.Product
-import com.example.demo.domain.product.model.ProductType
-import com.github.michaelbull.result.Result
-
-interface ProductInputPort {
-    suspend fun create(name: String, type: ProductType): Result<Product, FunctionalError>
-    suspend fun getAll(): Result<List<Product>, FunctionalError>
-}

demo-domain/src/main/kotlin/com/example/demo/domain/product/outputport/ProductOutputPort.kt

@@ -1,16 +0,0 @@
-package com.example.demo.domain.product.outputport
-
-import com.example.demo.domain.core.error.TechnicalError
-import com.example.demo.domain.product.model.Product
-import com.github.michaelbull.result.Result
-import java.util.UUID
-
-interface ProductOutputPort {
-    fun getById(id: UUID): Product?
-
-    suspend fun getAll(): Result<List<Product>, TechnicalError>
-
-    fun save(product: Product): Result<Unit, TechnicalError>
-
-    fun deleteById(id: UUID)
-}

demo-domain/src/main/kotlin/com/example/demo/domain/product/port/ProductPort.kt

@@ -0,0 +1,14 @@
+package com.example.demo.domain.product.port
+
+import com.example.demo.domain.product.model.Product
+import java.util.UUID
+
+interface ProductPort {
+    fun getById(id: UUID): Product?
+
+    fun getAll(): List<Product>
+
+    fun save(product: Product)
+
+    fun deleteById(id: UUID)
+}

demo-exposition/build.gradle.kts

@@ -1,6 +1,7 @@
 plugins {
     kotlin("jvm")
     id("io.spring.dependency-management") version "1.1.7"
+    id("java")
 }
 
 dependencies {
@@ -9,7 +10,4 @@ dependencies {
     implementation(project(":demo-domain"))
     implementation("org.springframework:spring-context")
     implementation("org.springframework:spring-web")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.2")
-    implementation("com.michael-bull.kotlin-result:kotlin-result-coroutines:2.0.1")
-    implementation("com.fasterxml.jackson.module:jackson-module-kotlin:2.18.3")
 }

demo-exposition/src/main/kotlin/com/example/demo/exposition/debug/DebugController.kt

@@ -1,16 +0,0 @@
-package com.example.demo.exposition.debug
-
-import org.springframework.web.bind.annotation.GetMapping
-import org.springframework.web.bind.annotation.RequestMapping
-import org.springframework.web.bind.annotation.RestController
-
-@RestController
-@RequestMapping("/api/debug")
-class DebugController {
-    @GetMapping("/info")
-    fun debug(): String = """
-        {
-          "message": "Hello world!"
-        }
-    """.trimIndent()
-}

demo-exposition/src/main/kotlin/com/example/demo/exposition/product/ProductController.kt

@@ -1,28 +1,16 @@
 package com.example.demo.exposition.product
 
-import com.example.demo.domain.core.error.FunctionalError
-import com.example.demo.domain.product.inputport.ProductInputPort
-import com.example.demo.domain.product.model.Product
-import com.example.demo.exposition.product.model.ProductCreationRequest
+import com.example.demo.application.product.ProductUseCases
 import com.example.demo.exposition.product.model.ProductDto
-import com.github.michaelbull.result.Result
-import com.github.michaelbull.result.map
 import org.springframework.web.bind.annotation.GetMapping
-import org.springframework.web.bind.annotation.PostMapping
-import org.springframework.web.bind.annotation.RequestBody
 import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.RestController
 
 @RestController
 @RequestMapping("/api/products")
 class ProductController(
-    private val productInputPort: ProductInputPort
+    private val productUseCases: ProductUseCases
 ) {
     @GetMapping
-    suspend fun getAll(): Result<List<ProductDto>, FunctionalError> = productInputPort.getAll()
-        .map { products -> products.map(::ProductDto) }
-
-    @PostMapping
-    suspend fun create(@RequestBody request: ProductCreationRequest): Result<Product, FunctionalError> =
-        productInputPort.create(request.name, request.type)
+    fun getAll(): List<ProductDto> = productUseCases.getAll().map(::ProductDto)
 }

demo-exposition/src/main/kotlin/com/example/demo/exposition/product/core/advice/ResultControllerAdvice.kt

@@ -1,8 +0,0 @@
-package com.example.demo.exposition.product.core.advice
-
-import org.springframework.web.bind.annotation.RestControllerAdvice
-
-@RestControllerAdvice
-class ResultControllerAdvice {
-
-}

demo-exposition/src/main/kotlin/com/example/demo/exposition/product/model/ProductCreationRequest.kt

@@ -1,8 +0,0 @@
-package com.example.demo.exposition.product.model
-
-import com.example.demo.domain.product.model.ProductType
-
-data class ProductCreationRequest(
-    val name: String,
-    val type: ProductType
-)

demo-infrastructure/build.gradle.kts

@@ -1,6 +1,7 @@
 plugins {
     kotlin("jvm")
     id("io.spring.dependency-management") version "1.1.7"
+    id("java")
 }
 
 dependencies {
@@ -8,6 +9,4 @@ dependencies {
     implementation(project(":demo-application"))
     implementation(project(":demo-domain"))
     implementation("org.springframework:spring-context")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.2")
-    implementation("com.michael-bull.kotlin-result:kotlin-result-coroutines:2.0.1")
 }

demo-infrastructure/src/main/kotlin/com/example/demo/infrastructure/product/ProductInMemoryAdapter.kt

@@ -1,18 +1,15 @@
 package com.example.demo.infrastructure.product
 
-import com.example.demo.domain.core.error.TechnicalError
 import com.example.demo.domain.product.model.Product
 import com.example.demo.domain.product.model.ProductType.LIQUID
 import com.example.demo.domain.product.model.ProductType.SOLID
-import com.example.demo.domain.product.outputport.ProductOutputPort
-import com.github.michaelbull.result.Ok
-import com.github.michaelbull.result.Result
+import com.example.demo.domain.product.port.ProductPort
 import org.springframework.stereotype.Component
 import java.util.*
 
 @Component
-class ProductInMemoryAdapter : ProductOutputPort {
-    private val products = mutableListOf(
+class ProductInMemoryAdapter : ProductPort {
+    private val products = mutableListOf<Product>(
         Product(
             id = UUID.randomUUID(),
             name = "Banana x5",
@@ -27,11 +24,15 @@ class ProductInMemoryAdapter : ProductOutputPort {
 
     override fun getById(id: UUID): Product? = products.find { product -> product.id == id }
 
-    override suspend fun getAll(): Result<List<Product>, TechnicalError> = Ok(products)
+    override fun getAll(): List<Product> = products
 
-    override fun save(product: Product): Result<Unit, TechnicalError> {
-        products += product
-        return Ok(Unit)
+    override fun save(product: Product) {
+        if (getById(product.id) == null) {
+            products.add(product)
+        } else {
+            deleteById(product.id)
+            save(product)
+        }
     }
 
     override fun deleteById(id: UUID) {

demo-launcher/build.gradle.kts

@@ -2,21 +2,18 @@ plugins {
     kotlin("jvm")
     id("org.springframework.boot") version "3.4.3"
     id("io.spring.dependency-management") version "1.1.7"
+    id("java")
 }
 
 dependencies {
     implementation(kotlin("stdlib"))
-    implementation(kotlin("reflect"))
     implementation(project(":demo-domain"))
     implementation(project(":demo-application"))
     implementation(project(":demo-infrastructure"))
     implementation(project(":demo-exposition"))
     implementation("org.springframework.boot:spring-boot-starter-web")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core")
-    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-reactor")
-    implementation("org.springframework.boot:spring-boot-starter-webflux")
 }
 
 springBoot {
     mainClass = "com.example.demo.launcher.ApplicationLauncherKt"
-}
+}

docker-compose.yml

@@ -1,12 +0,0 @@
-services:
-  backend:
-    image: gitea-workshop-app:latest
-    container_name: gitea-workshop-app-backend
-    ports:
-      - "50000:8080"
-    restart: always
-    networks:
-      - "gitea-workshop"
-
-networks:
-  gitea-workshop: