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DutchBlitz with F# and DDD - workflow steps
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| "CheckGameAvailability" = | |
| input: GameId | |
| output: AvailableGameId OR GameAvailabilityError | |
| dependencies: CheckGameExists, CheckGameIsFull | |
| check if the game exists | |
| check if the game hasn't started | |
| check if there's room for one more player | |
| if OK, then: | |
| return AvailableGameId | |
| else: | |
| return GameAvailabilityError | |
| "AddPersonToGame" = | |
| input: AvailableGameId | |
| output: PersonJoined OR JoinGameError | |
| "SendAcknowledgmentToPerson" = | |
| input: AvailableGameId | |
| output: None (side effect) | |
| "PlayerJoinedGame" = | |
| input: AvailableGameId | |
| output: PlayerJoinedGame event |
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