gh-2: Adds scaffolding example with DB schema, repositories, services…

…, and tests

code/example-spring-boot-demo/src/main/kotlin/com/example/demo/RequestScopedComponent.kt

@@ -0,0 +1,22 @@
+package com.example.demo
+
+import org.slf4j.LoggerFactory
+import org.springframework.stereotype.Component
+import org.springframework.web.context.annotation.RequestScope
+
+
+@Component
+@RequestScope
+class RequestScopedComponent {
+    var path: String? = null
+
+    override fun toString() = "${hashCode()} - $path"
+
+    init {
+        logger.info("ctor")
+    }
+
+    companion object {
+        private val logger = LoggerFactory.getLogger(RequestScopedComponent::class.java)
+    }
+}

code/example-spring-boot-demo/src/main/kotlin/com/example/demo/SingletonScopedComponent.kt

@@ -0,0 +1,17 @@
+package com.example.demo
+
+import org.slf4j.LoggerFactory
+import org.springframework.stereotype.Component
+
+@Component
+class SingletonScopedComponent(
+    val requestScopedComponent: RequestScopedComponent
+) {
+    init {
+        logger.info("ctor")
+    }
+
+    companion object {
+        private val logger = LoggerFactory.getLogger(SingletonScopedComponent::class.java)
+    }
+}

code/example-spring-boot-demo/src/main/kotlin/com/example/demo/controllers/ScopesExampleController.kt

@@ -0,0 +1,18 @@
+package com.example.demo.controllers
+
+import com.example.demo.SingletonScopedComponent
+import org.springframework.web.bind.annotation.GetMapping
+import org.springframework.web.bind.annotation.RequestMapping
+import org.springframework.web.bind.annotation.RestController
+
+@RestController
+@RequestMapping("examples-scopes")
+class ScopesExampleController(
+    private val singletonScopedComponent: SingletonScopedComponent
+) {
+
+    @GetMapping("/0/{id}")
+    fun get0() = "${singletonScopedComponent.hashCode()}, " +
+            "${singletonScopedComponent.requestScopedComponent.toString()}"
+}
+

code/tic-tac-tow-service/.gitignore

@@ -0,0 +1,37 @@
+HELP.md
+.gradle
+build/
+!gradle/wrapper/gradle-wrapper.jar
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+bin/
+!**/src/main/**/bin/
+!**/src/test/**/bin/
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+out/
+!**/src/main/**/out/
+!**/src/test/**/out/
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+
+### VS Code ###
+.vscode/

code/tic-tac-tow-service/README.md

@@ -0,0 +1,24 @@
+# Tic Tac Toe Service
+
+## Development time commands
+
+* Start docker image with development time services
+```
+docker compose up --build --force-recreate 
+```
+
+* Start shell on postgres container
+
+```
+docker exec -ti db-tests bash
+```
+
+* Start `psql` inside postgres container
+```
+psql -U dbuser -d db
+```
+* `psql` commands
+  * `\h` - show help. 
+  * `\d <table>` - show table.
+  * `select ... ;` - execute query.
+  * `\q` - quit `psql`.

code/tic-tac-tow-service/build.gradle.kts

@@ -0,0 +1,45 @@
+import org.jetbrains.kotlin.gradle.tasks.KotlinCompile
+
+plugins {
+	id("org.springframework.boot") version "2.7.4"
+	id("io.spring.dependency-management") version "1.0.14.RELEASE"
+	kotlin("jvm") version "1.6.21"
+	kotlin("plugin.spring") version "1.6.21"
+}
+
+group = "pt.isel.daw"
+version = "0.0.1-SNAPSHOT"
+java.sourceCompatibility = JavaVersion.VERSION_17
+
+repositories {
+	mavenCentral()
+}
+
+dependencies {
+	implementation("org.springframework.boot:spring-boot-starter-validation")
+	implementation("org.springframework.boot:spring-boot-starter-web")
+	implementation("com.fasterxml.jackson.module:jackson-module-kotlin")
+	implementation("org.jetbrains.kotlin:kotlin-reflect")
+	implementation("org.jetbrains.kotlin:kotlin-stdlib-jdk8")
+
+	implementation("org.springframework.security:spring-security-core:5.7.3")
+
+	// for JDBI
+	implementation("org.jdbi:jdbi3-core:3.32.0")
+	implementation("org.jdbi:jdbi3-kotlin:3.32.0")
+	implementation("org.postgresql:postgresql:42.5.0")
+
+	testImplementation("org.springframework.boot:spring-boot-starter-test")
+	testImplementation(kotlin("test"))
+}
+
+tasks.withType<KotlinCompile> {
+	kotlinOptions {
+		freeCompilerArgs = listOf("-Xjsr305=strict")
+		jvmTarget = "17"
+	}
+}
+
+tasks.withType<Test> {
+	useJUnitPlatform()
+}

code/tic-tac-tow-service/docker-compose.yml

@@ -0,0 +1,13 @@
+version: "3.3"
+services:
+  db-tests:
+    container_name: db-tests
+    build:
+      context: .
+      dockerfile: ./tests/Dockerfile-db-test
+    environment:
+      - POSTGRES_USER=dbuser
+      - POSTGRES_PASSWORD=changeit
+      - POSTGRES_DB=db
+    ports:
+      - 5432:5432

code/tic-tac-tow-service/gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,5 @@
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists