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feat: add deck to blackjack game instead of random cards #96

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ptran merged 1 commit from feat/deck into main 2025-03-27 10:54:50 +00:00
Conversation 1 Commits 1 Files changed 2 +27 -8
2 changed files with 27 additions and 8 deletions
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4
backend/src/main/java/de/szut/casino/blackjack/BlackJackGameEntity.java
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@ -36,6 +36,10 @@ public class BlackJackGameEntity {
private String state;
private BigDecimal bet;
@OneToMany(mappedBy = "game", cascade = CascadeType.ALL, orphanRemoval = true)
@JsonIgnore
private List<CardEntity> deck = new ArrayList<>();
@OneToMany(mappedBy = "game", cascade = CascadeType.ALL, orphanRemoval = true)
@JsonManagedReference
private List<CardEntity> playerCards = new ArrayList<>();

31
backend/src/main/java/de/szut/casino/blackjack/BlackJackService.java
View file

@ -24,13 +24,14 @@ public class BlackJackService {
game.setUser(user);
game.setBet(betAmount);
game.setState("IN_PROGRESS");
initializeDeck(game);
for (int i = 0; i < 2; i++) {
CardEntity playerCard = createRandomCard(game);
CardEntity playerCard = drawCardFromDeck(game);
game.getPlayerCards().add(playerCard);
}
CardEntity dealerCard = createRandomCard(game);
CardEntity dealerCard = drawCardFromDeck(game);
game.getDealerCards().add(dealerCard);
user.setBalance(user.getBalance().subtract(betAmount));
@ -41,11 +42,25 @@ public class BlackJackService {
return game;
}
private CardEntity createRandomCard(BlackJackGameEntity game) {
CardEntity card = new CardEntity();
card.setGame(game);
card.setSuit(Suit.values()[random.nextInt(Suit.values().length)]);
card.setRank(Rank.values()[random.nextInt(Rank.values().length)]);
return card;
private void initializeDeck(BlackJackGameEntity game) {
for (Suit suit : Suit.values()) {
for (Rank rank : Rank.values()) {
CardEntity card = new CardEntity();
card.setGame(game);
card.setSuit(suit);
card.setRank(rank);
game.getDeck().add(card);
}
}
java.util.Collections.shuffle(game.getDeck(), random);
}
private CardEntity drawCardFromDeck(BlackJackGameEntity game) {
if (game.getDeck().isEmpty()) {
throw new IllegalStateException("Deck is empty");
}
return game.getDeck().removeFirst();
}
}