Create route to list all the games

src/main/kotlin/eventDemo/adapter/infrastructureLayer/event/projection/GameListRepositoryInMemory.kt

@@ -0,0 +1,39 @@
+package eventDemo.adapter.infrastructureLayer.event.projection
+
+import eventDemo.business.entity.GameId
+import eventDemo.business.event.GameEventHandler
+import eventDemo.business.event.GameEventStore
+import eventDemo.business.event.projection.gameList.GameList
+import eventDemo.business.event.projection.gameList.GameListRepository
+import eventDemo.business.event.projection.gameList.apply
+import eventDemo.business.event.projection.gameState.GameState
+import eventDemo.libs.event.projection.ProjectionSnapshotRepositoryInMemory
+import eventDemo.libs.event.projection.SnapshotConfig
+
+class GameListRepositoryInMemory(
+  eventStore: GameEventStore,
+  eventHandler: GameEventHandler,
+  snapshotConfig: SnapshotConfig = SnapshotConfig(),
+) : GameListRepository {
+  private val projectionsSnapshot =
+    ProjectionSnapshotRepositoryInMemory(
+      eventStore = eventStore,
+      snapshotCacheConfig = snapshotConfig,
+      applyToProjection = GameList::apply,
+      initialStateBuilder = { aggregateId: GameId -> GameList(aggregateId) },
+    )
+
+  init {
+    eventHandler.registerProjectionBuilder { event ->
+      projectionsSnapshot.applyAndPutToCache(event)
+    }
+  }
+
+  /**
+   * Get the last version of the [GameState] from the all eventStream.
+   *
+   * It fetches it from the local cache if possible, otherwise it builds it.
+   */
+  override fun getList(): List<GameList> =
+    projectionsSnapshot.getList()
+}

src/main/kotlin/eventDemo/adapter/interfaceLayer/GameList.kt

@@ -0,0 +1,28 @@
+package eventDemo.adapter.interfaceLayer
+
+import eventDemo.business.event.projection.gameList.GameListRepository
+import io.ktor.resources.Resource
+import io.ktor.server.application.call
+import io.ktor.server.auth.authenticate
+import io.ktor.server.resources.get
+import io.ktor.server.response.respond
+import io.ktor.server.routing.Route
+import io.ktor.server.routing.get
+import kotlinx.serialization.Serializable
+
+@Serializable
+@Resource("/games")
+class Games
+
+/**
+ * API routes to show all games.
+ */
+fun Route.readGamesList(gameListRepository: GameListRepository) {
+  authenticate {
+    // Read the last played card on the game.
+    get<Games> {
+      val gameList = gameListRepository.getList()
+      call.respond(gameList)
+    }
+  }
+}

src/main/kotlin/eventDemo/adapter/interfaceLayer/ReadTheGameState.kt

@@ -13,7 +13,7 @@ import io.ktor.server.routing.Route
 import kotlinx.serialization.Serializable
 
 @Serializable
-@Resource("/game/{id}")
+@Resource("/games/{id}")
 class Game(
   @Serializable(with = GameIdSerializer::class)
   val id: GameId,