feat: true-microservices (#40)

Reviewed-on: #40
2026-04-29 22:06:01 +02:00
parent 67511fc649
commit 590924254e
328 changed files with 10672 additions and 2939 deletions
@@ -0,0 +1,115 @@
+plugins {
+    id("scala")
+    id("org.scoverage") version "8.1"
+    id("io.quarkus")
+}
+
+group = "de.nowchess"
+version = "1.0-SNAPSHOT"
+
+@Suppress("UNCHECKED_CAST")
+val versions = rootProject.extra["VERSIONS"] as Map<String, String>
+@Suppress("UNCHECKED_CAST")
+val scoverageExcluded = rootProject.extra["SCOVERAGE_EXCLUDED"] as List<String>
+
+repositories {
+    mavenCentral()
+}
+
+scala {
+    scalaVersion = versions["SCALA3"]!!
+}
+
+scoverage {
+    scoverageVersion.set(versions["SCOVERAGE"]!!)
+    excludedPackages.set(
+        listOf(
+            "de\\.nowchess\\.botplatform\\.registry",
+            "de\\.nowchess\\.botplatform\\.resource",
+        )
+    )
+    excludedFiles.set(scoverageExcluded)
+}
+
+tasks.withType<ScalaCompile> {
+    scalaCompileOptions.additionalParameters = listOf("-encoding", "UTF-8")
+}
+
+val quarkusPlatformGroupId: String by project
+val quarkusPlatformArtifactId: String by project
+val quarkusPlatformVersion: String by project
+
+dependencies {
+
+    compileOnly("org.scala-lang:scala3-compiler_3") {
+        version {
+            strictly(versions["SCALA3"]!!)
+        }
+    }
+    implementation("org.scala-lang:scala3-library_3") {
+        version {
+            strictly(versions["SCALA3"]!!)
+        }
+    }
+
+    implementation(platform("${quarkusPlatformGroupId}:${quarkusPlatformArtifactId}:${quarkusPlatformVersion}"))
+    implementation("io.quarkus:quarkus-rest")
+    implementation("io.quarkus:quarkus-rest-jackson")
+    implementation("io.quarkus:quarkus-rest-client-jackson")
+    implementation("io.quarkus:quarkus-arc")
+    implementation("io.quarkus:quarkus-config-yaml")
+    implementation("io.quarkus:quarkus-smallrye-jwt")
+    implementation("io.quarkus:quarkus-smallrye-health")
+    implementation("io.quarkus:quarkus-smallrye-openapi")
+    implementation("com.fasterxml.jackson.module:jackson-module-scala_3:${versions["JACKSON_SCALA"]!!}")
+    implementation("io.quarkus:quarkus-redis-client")
+
+    implementation(project(":modules:api"))
+
+    testImplementation(platform("org.junit:junit-bom:5.13.4"))
+    testImplementation("org.junit.jupiter:junit-jupiter")
+    testImplementation("io.quarkus:quarkus-junit")
+    testImplementation("io.rest-assured:rest-assured")
+    testImplementation("io.quarkus:quarkus-test-security")
+
+    testRuntimeOnly("org.junit.platform:junit-platform-launcher")
+}
+
+configurations.matching { !it.name.startsWith("scoverage") }.configureEach {
+    resolutionStrategy.force("org.scala-lang:scala-library:${versions["SCALA_LIBRARY"]!!}")
+}
+configurations.scoverage {
+    resolutionStrategy.eachDependency {
+        if (requested.group == "org.scoverage" && requested.name.startsWith("scalac-scoverage-plugin_")) {
+            useTarget("${requested.group}:scalac-scoverage-plugin_2.13.16:2.3.0")
+        }
+    }
+}
+
+tasks.withType<JavaCompile> {
+    options.encoding = "UTF-8"
+    options.compilerArgs.add("-parameters")
+}
+
+tasks.withType<Jar>().configureEach {
+    duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+}
+
+tasks.test {
+    useJUnitPlatform {
+        includeEngines("junit-jupiter")
+        testLogging {
+            events("passed", "skipped", "failed")
+            showStandardStreams = true
+            exceptionFormat = org.gradle.api.tasks.testing.logging.TestExceptionFormat.FULL
+        }
+    }
+    finalizedBy(tasks.reportScoverage)
+}
+tasks.reportScoverage {
+    dependsOn(tasks.test)
+}
+
+tasks.jar {
+    duplicatesStrategy = DuplicatesStrategy.EXCLUDE
+}
@@ -0,0 +1,24 @@
+quarkus:
+  http:
+    port: 8087
+  application:
+    name: nowchess-bot-platform
+  redis:
+    hosts: redis://${REDIS_HOST:localhost}:${REDIS_PORT:6379}
+  smallrye-jwt:
+    enabled: true
+  log:
+    level: INFO
+
+nowchess:
+  redis:
+    host: localhost
+    port: 6379
+    prefix: nowchess
+
+"%deployed":
+  nowchess:
+    redis:
+      host: ${REDIS_HOST:localhost}
+      port: ${REDIS_PORT:6379}
+      prefix: ${REDIS_PREFIX:nowchess}
@@ -0,0 +1,17 @@
+package de.nowchess.botplatform.config
+
+import com.fasterxml.jackson.core.Version
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.fasterxml.jackson.module.scala.DefaultScalaModule
+import io.quarkus.jackson.ObjectMapperCustomizer
+import jakarta.inject.Singleton
+
+@Singleton
+class JacksonConfig extends ObjectMapperCustomizer:
+  def customize(mapper: ObjectMapper): Unit =
+    mapper.registerModule(new DefaultScalaModule() {
+      override def version(): Version =
+        // scalafix:off DisableSyntax.null
+        new Version(2, 21, 1, null, "com.fasterxml.jackson.module", "jackson-module-scala")
+        // scalafix:on DisableSyntax.null
+    })
@@ -0,0 +1,12 @@
+package de.nowchess.botplatform.config
+
+import jakarta.enterprise.context.ApplicationScoped
+import org.eclipse.microprofile.config.inject.ConfigProperty
+import scala.compiletime.uninitialized
+
+@ApplicationScoped
+class RedisConfig:
+  // scalafix:off DisableSyntax.var
+  @ConfigProperty(name = "nowchess.redis.prefix", defaultValue = "nowchess")
+  var prefix: String = uninitialized
+  // scalafix:on DisableSyntax.var
@@ -0,0 +1,41 @@
+package de.nowchess.botplatform.registry
+
+import de.nowchess.botplatform.config.RedisConfig
+import io.quarkus.redis.datasource.RedisDataSource
+import io.quarkus.redis.datasource.pubsub.PubSubCommands
+import io.smallrye.mutiny.subscription.MultiEmitter
+import jakarta.enterprise.context.ApplicationScoped
+import jakarta.inject.Inject
+import scala.compiletime.uninitialized
+import java.util.concurrent.ConcurrentHashMap
+import java.util.function.Consumer
+
+@ApplicationScoped
+class BotRegistry:
+
+  // scalafix:off DisableSyntax.var
+  @Inject var redis: RedisDataSource   = uninitialized
+  @Inject var redisConfig: RedisConfig = uninitialized
+  // scalafix:on DisableSyntax.var
+
+  private val connections = ConcurrentHashMap[String, (MultiEmitter[? >: String], PubSubCommands.RedisSubscriber)]()
+
+  def register(botId: String, emitter: MultiEmitter[? >: String]): Unit =
+    val channel                   = s"${redisConfig.prefix}:bot:$botId:events"
+    val handler: Consumer[String] = msg => emitter.emit(msg)
+    val subscriber                = redis.pubsub(classOf[String]).subscribe(channel, handler)
+    connections.put(botId, (emitter, subscriber))
+    ()
+
+  def unregister(botId: String): Unit =
+    Option(connections.remove(botId)).foreach { (_, subscriber) =>
+      subscriber.unsubscribe(s"${redisConfig.prefix}:bot:$botId:events")
+    }
+
+  def dispatch(botId: String, event: String): Unit =
+    redis.pubsub(classOf[String]).publish(s"${redisConfig.prefix}:bot:$botId:events", event)
+    ()
+
+  def registeredBots: List[String] =
+    import scala.jdk.CollectionConverters.*
+    connections.keys().asScala.toList
@@ -0,0 +1,63 @@
+package de.nowchess.botplatform.resource
+
+import de.nowchess.botplatform.config.RedisConfig
+import de.nowchess.botplatform.registry.BotRegistry
+import io.quarkus.redis.datasource.RedisDataSource
+import io.smallrye.mutiny.Multi
+import jakarta.annotation.security.RolesAllowed
+import jakarta.enterprise.context.ApplicationScoped
+import jakarta.inject.Inject
+import jakarta.ws.rs.*
+import jakarta.ws.rs.core.{MediaType, Response}
+import org.eclipse.microprofile.jwt.JsonWebToken
+import scala.compiletime.uninitialized
+import java.util.function.Consumer
+
+@Path("/api/bot")
+@ApplicationScoped
+@RolesAllowed(Array("**"))
+class BotEventResource:
+
+  // scalafix:off DisableSyntax.var
+  @Inject var registry: BotRegistry    = uninitialized
+  @Inject var jwt: JsonWebToken        = uninitialized
+  @Inject var redis: RedisDataSource   = uninitialized
+  @Inject var redisConfig: RedisConfig = uninitialized
+  // scalafix:on DisableSyntax.var
+
+  @GET
+  @Path("/stream/events")
+  @Produces(Array(MediaType.SERVER_SENT_EVENTS))
+  def streamEvents(@QueryParam("botId") botId: String): Multi[String] =
+    val tokenType = Option(jwt.getClaim[AnyRef]("type")).map(_.toString).getOrElse("")
+    val subject   = Option(jwt.getSubject).getOrElse("")
+    if tokenType != "bot" || subject != botId then
+      Multi.createFrom().failure(new ForbiddenException("Not authorized for this bot"))
+    else
+      Multi.createFrom().emitter[String] { emitter =>
+        registry.register(botId, emitter)
+        emitter.onTermination(() => registry.unregister(botId))
+      }
+
+  @GET
+  @Path("/game/stream/{gameId}")
+  @Produces(Array(MediaType.SERVER_SENT_EVENTS))
+  def streamGame(@PathParam("gameId") gameId: String): Multi[String] =
+    Multi.createFrom().emitter[String] { emitter =>
+      val topicName                 = s"${redisConfig.prefix}:game:$gameId:s2c"
+      val handler: Consumer[String] = msg => emitter.emit(msg)
+      val subscriber                = redis.pubsub(classOf[String]).subscribe(topicName, handler)
+      emitter.onTermination(() => subscriber.unsubscribe(topicName))
+    }
+
+  @POST
+  @Path("/game/{gameId}/move/{uci}")
+  @Produces(Array(MediaType.APPLICATION_JSON))
+  def makeMove(
+      @PathParam("gameId") gameId: String,
+      @PathParam("uci") uci: String,
+  ): Response =
+    val playerId = Option(jwt.getSubject).getOrElse("")
+    val moveMsg  = s"""{"type":"MOVE","uci":"$uci","playerId":"$playerId"}"""
+    redis.pubsub(classOf[String]).publish(s"${redisConfig.prefix}:game:$gameId:c2s", moveMsg)
+    Response.ok().build()