Fabrice Lecomte
286dedac76
implement GameStateRepositoryTest
add lambda to the GameEventHandler.handle{} to set the version
add VersionBuilder
add version to the events
add creation date to the events
rename gameId to aggregateId
add EventHandler interface
57 lines
1.6 KiB
Kotlin
57 lines
1.6 KiB
Kotlin
package eventDemo.app.command.command
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import eventDemo.app.command.ErrorNotifier
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import eventDemo.app.entity.Card
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import eventDemo.app.entity.GameId
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import eventDemo.app.entity.Player
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import eventDemo.app.event.GameEventHandler
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import eventDemo.app.event.event.CardIsPlayedEvent
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import eventDemo.app.event.projection.GameState
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import eventDemo.libs.command.CommandId
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import kotlinx.serialization.Serializable
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/**
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* A command to perform an action to play a new card
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*/
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@Serializable
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data class IWantToPlayCardCommand(
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override val payload: Payload,
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) : GameCommand {
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override val id: CommandId = CommandId()
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@Serializable
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data class Payload(
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override val aggregateId: GameId,
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override val player: Player,
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val card: Card,
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) : GameCommand.Payload
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suspend fun run(
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state: GameState,
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playerErrorNotifier: ErrorNotifier,
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eventHandler: GameEventHandler,
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) {
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if (!state.isStarted) {
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playerErrorNotifier("The game is Not started")
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return
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}
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if (state.currentPlayerTurn != payload.player) {
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playerErrorNotifier("Its not your turn!")
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return
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}
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if (state.canBePlayThisCard(payload.player, payload.card)) {
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eventHandler.handle {
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CardIsPlayedEvent(
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aggregateId = payload.aggregateId,
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card = payload.card,
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player = payload.player,
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version = it,
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)
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}
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} else {
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playerErrorNotifier("You cannot play this card")
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}
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}
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}
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