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7 changed files with 277 additions and 409 deletions

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@ -94,23 +94,6 @@ public class BlackJackGameController {
return ResponseEntity.ok(blackJackService.doubleDown(game)); return ResponseEntity.ok(blackJackService.doubleDown(game));
} }
@PostMapping("/blackjack/{id}/split")
public ResponseEntity<Object> split(@PathVariable Long id, @RequestHeader("Authorization") String token) {
Optional<UserEntity> optionalUser = userService.getCurrentUser(token);
if (optionalUser.isEmpty()) {
return ResponseEntity.notFound().build();
}
UserEntity user = optionalUser.get();
BlackJackGameEntity game = blackJackService.getBlackJackGame(id);
if (game == null || !Objects.equals(game.getUserId(), user.getId())) {
return ResponseEntity.notFound().build();
}
return ResponseEntity.ok(blackJackService.split(game));
}
@PostMapping("/blackjack/start") @PostMapping("/blackjack/start")
public ResponseEntity<Object> createBlackJackGame(@RequestBody @Valid CreateBlackJackGameDto createBlackJackGameDto, @RequestHeader("Authorization") String token) { public ResponseEntity<Object> createBlackJackGame(@RequestBody @Valid CreateBlackJackGameDto createBlackJackGameDto, @RequestHeader("Authorization") String token) {
Optional<UserEntity> optionalUser = userService.getCurrentUser(token); Optional<UserEntity> optionalUser = userService.getCurrentUser(token);

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@ -51,15 +51,4 @@ public class BlackJackGameEntity {
@JsonManagedReference @JsonManagedReference
@SQLRestriction("card_type = 'DEALER'") @SQLRestriction("card_type = 'DEALER'")
private List<CardEntity> dealerCards = new ArrayList<>(); private List<CardEntity> dealerCards = new ArrayList<>();
@OneToMany(mappedBy = "game", cascade = CascadeType.ALL, orphanRemoval = true)
@JsonManagedReference
@SQLRestriction("card_type = 'PLAYER_SPLIT'")
private List<CardEntity> playerSplitCards = new ArrayList<>();
@Column(name = "split_bet")
private BigDecimal splitBet;
@Column(name = "is_split")
private boolean isSplit;
} }

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@ -1,314 +1,245 @@
package de.szut.casino.blackjack; package de.szut.casino.blackjack;
import de.szut.casino.user.UserEntity; import de.szut.casino.user.UserEntity;
import de.szut.casino.user.UserRepository; import de.szut.casino.user.UserRepository;
import org.springframework.stereotype.Service; import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional; import org.springframework.transaction.annotation.Transactional;
import java.math.BigDecimal; import java.math.BigDecimal;
import java.util.List; import java.util.List;
import java.util.Optional; import java.util.Optional;
import java.util.Random; import java.util.Random;
@Service @Service
public class BlackJackService { public class BlackJackService {
private final BlackJackGameRepository blackJackGameRepository; private final BlackJackGameRepository blackJackGameRepository;
private final UserRepository userRepository; private final UserRepository userRepository;
private final Random random = new Random(); private final Random random = new Random();
public BlackJackService(BlackJackGameRepository blackJackGameRepository, UserRepository userRepository) { public BlackJackService(BlackJackGameRepository blackJackGameRepository, UserRepository userRepository) {
this.blackJackGameRepository = blackJackGameRepository; this.blackJackGameRepository = blackJackGameRepository;
this.userRepository = userRepository; this.userRepository = userRepository;
} }
public BlackJackGameEntity getBlackJackGame(Long id) { public BlackJackGameEntity getBlackJackGame(Long id) {
return blackJackGameRepository.findById(id).orElse(null); return blackJackGameRepository.findById(id).orElse(null);
} }
@Transactional @Transactional
public BlackJackGameEntity createBlackJackGame(UserEntity user, BigDecimal betAmount) { public BlackJackGameEntity createBlackJackGame(UserEntity user, BigDecimal betAmount) {
BlackJackGameEntity game = new BlackJackGameEntity(); BlackJackGameEntity game = new BlackJackGameEntity();
game.setUser(user); game.setUser(user);
game.setBet(betAmount); game.setBet(betAmount);
initializeDeck(game); initializeDeck(game);
dealInitialCards(game); dealInitialCards(game);
game.setState(getState(game)); game.setState(getState(game));
deductBetFromBalance(user, betAmount); deductBetFromBalance(user, betAmount);
return blackJackGameRepository.save(game); return blackJackGameRepository.save(game);
} }
@Transactional @Transactional
public BlackJackGameEntity hit(BlackJackGameEntity game) { public BlackJackGameEntity hit(BlackJackGameEntity game) {
if (game.getState() != BlackJackState.IN_PROGRESS) { game = refreshGameState(game);
return game;
} if (game.getState() != BlackJackState.IN_PROGRESS) {
return game;
dealCardToPlayer(game); }
updateGameStateAndBalance(game); dealCardToPlayer(game);
updateGameStateAndBalance(game);
return blackJackGameRepository.save(game);
} return blackJackGameRepository.save(game);
}
@Transactional
public BlackJackGameEntity stand(BlackJackGameEntity game) { @Transactional
if (game.getState() != BlackJackState.IN_PROGRESS) { public BlackJackGameEntity stand(BlackJackGameEntity game) {
return game; game = refreshGameState(game);
}
if (game.getState() != BlackJackState.IN_PROGRESS) {
dealCardsToDealerUntilMinimumScore(game); return game;
determineWinnerAndUpdateBalance(game); }
return blackJackGameRepository.save(game); dealCardsToDealerUntilMinimumScore(game);
} determineWinnerAndUpdateBalance(game);
@Transactional return blackJackGameRepository.save(game);
public BlackJackGameEntity doubleDown(BlackJackGameEntity game) { }
if (game.getState() != BlackJackState.IN_PROGRESS || game.getPlayerCards().size() != 2) {
return game; @Transactional
} public BlackJackGameEntity doubleDown(BlackJackGameEntity game) {
game = refreshGameState(game);
UserEntity user = getUserWithFreshData(game.getUser());
BigDecimal additionalBet = game.getBet(); if (game.getState() != BlackJackState.IN_PROGRESS || game.getPlayerCards().size() != 2) {
return game;
if (user.getBalance().compareTo(additionalBet) < 0) { }
return game;
} UserEntity user = getUserWithFreshData(game.getUser());
BigDecimal additionalBet = game.getBet();
deductBetFromBalance(user, additionalBet);
game.setBet(game.getBet().add(additionalBet)); if (user.getBalance().compareTo(additionalBet) < 0) {
return game;
dealCardToPlayer(game); }
updateGameStateAndBalance(game);
deductBetFromBalance(user, additionalBet);
if (game.getState() == BlackJackState.IN_PROGRESS) { game.setBet(game.getBet().add(additionalBet));
return stand(game);
} dealCardToPlayer(game);
updateGameStateAndBalance(game);
return game;
} if (game.getState() == BlackJackState.IN_PROGRESS) {
return stand(game);
@Transactional }
public BlackJackGameEntity split(BlackJackGameEntity game) {
if (game.getState() != BlackJackState.IN_PROGRESS || return game;
game.getPlayerCards().size() != 2 || }
game.isSplit() ||
!game.getPlayerCards().get(0).getRank().equals(game.getPlayerCards().get(1).getRank())) { private BlackJackGameEntity refreshGameState(BlackJackGameEntity game) {
return game; return blackJackGameRepository.findById(game.getId()).orElse(game);
} }
UserEntity user = getUserWithFreshData(game.getUser()); private UserEntity getUserWithFreshData(UserEntity user) {
BigDecimal splitBet = game.getBet(); return userRepository.findById(user.getId()).orElse(user);
}
if (user.getBalance().compareTo(splitBet) < 0) {
return game; private void dealInitialCards(BlackJackGameEntity game) {
} for (int i = 0; i < 2; i++) {
dealCardToPlayer(game);
deductBetFromBalance(user, splitBet); }
game.setSplitBet(splitBet);
game.setSplit(true); dealCardToDealer(game);
}
CardEntity card = game.getPlayerCards().remove(1);
card.setCardType(CardType.PLAYER_SPLIT); private void dealCardToPlayer(BlackJackGameEntity game) {
game.getPlayerSplitCards().add(card); CardEntity card = drawCardFromDeck(game);
card.setCardType(CardType.PLAYER);
dealCardToPlayer(game); game.getPlayerCards().add(card);
dealCardToSplitHand(game); }
return blackJackGameRepository.save(game); private void dealCardToDealer(BlackJackGameEntity game) {
} CardEntity card = drawCardFromDeck(game);
card.setCardType(CardType.DEALER);
private BlackJackGameEntity refreshGameState(BlackJackGameEntity game) { game.getDealerCards().add(card);
return blackJackGameRepository.findById(game.getId()).orElse(game); }
}
private void dealCardsToDealerUntilMinimumScore(BlackJackGameEntity game) {
private UserEntity getUserWithFreshData(UserEntity user) { while (calculateHandValue(game.getDealerCards()) < 17) {
return userRepository.findById(user.getId()).orElse(user); dealCardToDealer(game);
} }
}
private void dealInitialCards(BlackJackGameEntity game) {
for (int i = 0; i < 2; i++) { private void updateGameStateAndBalance(BlackJackGameEntity game) {
dealCardToPlayer(game); game.setState(getState(game));
}
if (game.getState() == BlackJackState.PLAYER_WON) {
dealCardToDealer(game); updateUserBalance(game, true);
} } else if (game.getState() == BlackJackState.PLAYER_LOST) {
updateUserBalance(game, false);
private void dealCardToPlayer(BlackJackGameEntity game) { }
CardEntity card = drawCardFromDeck(game); }
card.setCardType(CardType.PLAYER);
game.getPlayerCards().add(card); private void determineWinnerAndUpdateBalance(BlackJackGameEntity game) {
} int playerValue = calculateHandValue(game.getPlayerCards());
int dealerValue = calculateHandValue(game.getDealerCards());
private void dealCardToDealer(BlackJackGameEntity game) {
CardEntity card = drawCardFromDeck(game); if (dealerValue > 21 || playerValue > dealerValue) {
card.setCardType(CardType.DEALER); game.setState(BlackJackState.PLAYER_WON);
game.getDealerCards().add(card); updateUserBalance(game, true);
} } else if (playerValue < dealerValue) {
game.setState(BlackJackState.PLAYER_LOST);
private void dealCardsToDealerUntilMinimumScore(BlackJackGameEntity game) { updateUserBalance(game, false);
while (calculateHandValue(game.getDealerCards()) < 17) { } else {
dealCardToDealer(game); game.setState(BlackJackState.DRAW);
} updateUserBalance(game, false); // For draw, player gets their bet back
} }
}
private void dealCardToSplitHand(BlackJackGameEntity game) {
CardEntity card = drawCardFromDeck(game); private void deductBetFromBalance(UserEntity user, BigDecimal betAmount) {
card.setCardType(CardType.PLAYER_SPLIT); user.setBalance(user.getBalance().subtract(betAmount));
game.getPlayerSplitCards().add(card); userRepository.save(user);
} }
private void updateGameStateAndBalance(BlackJackGameEntity game) { @Transactional
if (game.isSplit()) { private void updateUserBalance(BlackJackGameEntity game, boolean isWin) {
int mainHandValue = calculateHandValue(game.getPlayerCards()); UserEntity user = getUserWithFreshData(game.getUser());
int splitHandValue = calculateHandValue(game.getPlayerSplitCards()); BigDecimal betAmount = game.getBet();
BigDecimal balance = user.getBalance();
if (mainHandValue > 21 && splitHandValue > 21) {
game.setState(BlackJackState.PLAYER_LOST); if (isWin) {
updateUserBalance(game, false); balance = balance.add(betAmount.multiply(BigDecimal.valueOf(2)));
} else if (mainHandValue <= 21 && splitHandValue <= 21) { } else if (game.getState() == BlackJackState.DRAW) {
game.setState(BlackJackState.IN_PROGRESS); balance = balance.add(betAmount);
} else { }
game.setState(BlackJackState.IN_PROGRESS);
} user.setBalance(balance);
} else { userRepository.save(user);
game.setState(getState(game)); }
if (game.getState() == BlackJackState.PLAYER_WON) { private void initializeDeck(BlackJackGameEntity game) {
updateUserBalance(game, true); for (Suit suit : Suit.values()) {
} else if (game.getState() == BlackJackState.PLAYER_LOST) { for (Rank rank : Rank.values()) {
updateUserBalance(game, false); CardEntity card = new CardEntity();
} card.setGame(game);
} card.setSuit(suit);
} card.setRank(rank);
card.setCardType(CardType.DECK);
private void determineWinnerAndUpdateBalance(BlackJackGameEntity game) { game.getDeck().add(card);
int playerValue = calculateHandValue(game.getPlayerCards()); }
int dealerValue = calculateHandValue(game.getDealerCards()); }
if (dealerValue > 21 || playerValue > dealerValue) { java.util.Collections.shuffle(game.getDeck(), random);
game.setState(BlackJackState.PLAYER_WON); }
updateUserBalance(game, true);
} else if (playerValue < dealerValue) { private CardEntity drawCardFromDeck(BlackJackGameEntity game) {
game.setState(BlackJackState.PLAYER_LOST); if (game.getDeck().isEmpty()) {
updateUserBalance(game, false); throw new IllegalStateException("Deck is empty");
} else { }
game.setState(BlackJackState.DRAW);
updateUserBalance(game, false); return game.getDeck().removeFirst();
} }
}
private BlackJackState getState(BlackJackGameEntity game) {
private void deductBetFromBalance(UserEntity user, BigDecimal betAmount) { int playerHandValue = calculateHandValue(game.getPlayerCards());
user.setBalance(user.getBalance().subtract(betAmount));
userRepository.save(user); if (playerHandValue == 21) {
} CardEntity hole = drawCardFromDeck(game);
hole.setCardType(CardType.DEALER);
@Transactional game.getDealerCards().add(hole);
private void updateUserBalance(BlackJackGameEntity game, boolean isWin) {
UserEntity user = getUserWithFreshData(game.getUser()); int dealerHandValue = calculateHandValue(game.getDealerCards());
BigDecimal totalBet = game.getBet();
BigDecimal balance = user.getBalance(); if (dealerHandValue == 21) {
return BlackJackState.DRAW;
if (game.isSplit()) { } else {
totalBet = totalBet.add(game.getSplitBet()); BigDecimal blackjackWinnings = game.getBet().multiply(new BigDecimal("1.5"));
UserEntity user = getUserWithFreshData(game.getUser());
if (isWin) { user.setBalance(user.getBalance().add(blackjackWinnings));
int mainHandValue = calculateHandValue(game.getPlayerCards()); return BlackJackState.PLAYER_BLACKJACK;
int splitHandValue = calculateHandValue(game.getPlayerSplitCards()); }
int dealerValue = calculateHandValue(game.getDealerCards()); } else if (playerHandValue > 21) {
return BlackJackState.PLAYER_LOST;
if (mainHandValue <= 21 && (dealerValue > 21 || mainHandValue > dealerValue)) { }
balance = balance.add(game.getBet().multiply(BigDecimal.valueOf(2)));
} else if (mainHandValue == dealerValue) { return BlackJackState.IN_PROGRESS;
balance = balance.add(game.getBet()); }
}
private int calculateHandValue(List<CardEntity> hand) {
if (splitHandValue <= 21 && (dealerValue > 21 || splitHandValue > dealerValue)) { int sum = 0;
balance = balance.add(game.getSplitBet().multiply(BigDecimal.valueOf(2))); int aceCount = 0;
} else if (splitHandValue == dealerValue) { for (CardEntity card : hand) {
balance = balance.add(game.getSplitBet()); sum += card.getRank().getValue();
} if (card.getRank() == Rank.ACE) {
} else if (game.getState() == BlackJackState.DRAW) { aceCount++;
balance = balance.add(totalBet); }
} }
} else {
if (isWin) { while (sum > 21 && aceCount > 0) {
balance = balance.add(totalBet.multiply(BigDecimal.valueOf(2))); sum -= 10;
} else if (game.getState() == BlackJackState.DRAW) { aceCount--;
balance = balance.add(totalBet); }
}
} return sum;
}
user.setBalance(balance); }
userRepository.save(user);
}
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);
card.setCardType(CardType.DECK);
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();
}
private BlackJackState getState(BlackJackGameEntity game) {
int playerHandValue = calculateHandValue(game.getPlayerCards());
if (playerHandValue == 21) {
CardEntity hole = drawCardFromDeck(game);
hole.setCardType(CardType.DEALER);
game.getDealerCards().add(hole);
int dealerHandValue = calculateHandValue(game.getDealerCards());
if (dealerHandValue == 21) {
return BlackJackState.DRAW;
} else {
BigDecimal blackjackWinnings = game.getBet().multiply(new BigDecimal("1.5"));
UserEntity user = getUserWithFreshData(game.getUser());
user.setBalance(user.getBalance().add(blackjackWinnings));
return BlackJackState.PLAYER_BLACKJACK;
}
} else if (playerHandValue > 21) {
return BlackJackState.PLAYER_LOST;
}
return BlackJackState.IN_PROGRESS;
}
private int calculateHandValue(List<CardEntity> hand) {
int sum = 0;
int aceCount = 0;
for (CardEntity card : hand) {
sum += card.getRank().getValue();
if (card.getRank() == Rank.ACE) {
aceCount++;
}
}
while (sum > 21 && aceCount > 0) {
sum -= 10;
aceCount--;
}
return sum;
}
}

View file

@ -36,5 +36,5 @@ public class CardEntity {
} }
enum CardType { enum CardType {
DECK, PLAYER, DEALER, PLAYER_SPLIT DECK, PLAYER, DEALER
} }

View file

@ -1,4 +1,4 @@
import { ChangeDetectionStrategy, Component, inject, signal, OnInit } from '@angular/core'; import { ChangeDetectionStrategy, Component, inject, signal } from '@angular/core';
import { CommonModule } from '@angular/common'; import { CommonModule } from '@angular/common';
import { Router } from '@angular/router'; import { Router } from '@angular/router';
import { PlayingCardComponent } from './components/playing-card/playing-card.component'; import { PlayingCardComponent } from './components/playing-card/playing-card.component';
@ -13,7 +13,6 @@ import { GameResultComponent } from '@blackjack/components/game-result/game-resu
import { GameState } from '@blackjack/enum/gameState'; import { GameState } from '@blackjack/enum/gameState';
import { NavbarComponent } from '@shared/components/navbar/navbar.component'; import { NavbarComponent } from '@shared/components/navbar/navbar.component';
import { UserService } from '@service/user.service'; import { UserService } from '@service/user.service';
import { timer } from 'rxjs';
@Component({ @Component({
selector: 'app-blackjack', selector: 'app-blackjack',
@ -31,7 +30,7 @@ import { timer } from 'rxjs';
templateUrl: './blackjack.component.html', templateUrl: './blackjack.component.html',
changeDetection: ChangeDetectionStrategy.OnPush, changeDetection: ChangeDetectionStrategy.OnPush,
}) })
export default class BlackjackComponent implements OnInit { export default class BlackjackComponent {
private router = inject(Router); private router = inject(Router);
private userService = inject(UserService); private userService = inject(UserService);
private blackjackService = inject(BlackjackService); private blackjackService = inject(BlackjackService);
@ -48,11 +47,13 @@ export default class BlackjackComponent implements OnInit {
isActionInProgress = signal(false); isActionInProgress = signal(false);
currentAction = signal<string>(''); currentAction = signal<string>('');
ngOnInit(): void { constructor() {
this.userService.currentUser$.subscribe((user) => { this.refreshUserBalance();
if (user) { }
this.balance.set(user.balance);
} private refreshUserBalance(): void {
this.userService.getCurrentUser().subscribe((user) => {
this.balance.set(user?.balance ?? 0);
}); });
} }
@ -82,10 +83,8 @@ export default class BlackjackComponent implements OnInit {
if (isGameOver) { if (isGameOver) {
console.log('Game is over, state:', game.state); console.log('Game is over, state:', game.state);
this.userService.refreshCurrentUser(); this.userService.refreshCurrentUser();
timer(1500).subscribe(() => { this.showGameResult.set(true);
this.showGameResult.set(true); console.log('Game result dialog should be shown now');
console.log('Game result dialog shown after delay');
});
} }
} }
@ -181,18 +180,21 @@ export default class BlackjackComponent implements OnInit {
onCloseGameResult(): void { onCloseGameResult(): void {
console.log('Closing game result dialog'); console.log('Closing game result dialog');
this.showGameResult.set(false); this.showGameResult.set(false);
this.userService.refreshCurrentUser();
} }
private handleGameError(error: HttpErrorResponse): void { private handleGameError(error: HttpErrorResponse): void {
if (error instanceof HttpErrorResponse) { if (error instanceof HttpErrorResponse) {
if (error.status === 400 && error.error?.error === 'Invalid state') { if (error.status === 400 && error.error?.error === 'Invalid state') {
this.gameInProgress.set(false); this.gameInProgress.set(false);
this.userService.refreshCurrentUser();
this.refreshUserBalance();
} else if (error.status === 500) { } else if (error.status === 500) {
console.log('Server error occurred. The game may have been updated in another session.'); console.log('Server error occurred. The game may have been updated in another session.');
this.gameInProgress.set(false); this.gameInProgress.set(false);
this.userService.refreshCurrentUser();
this.refreshUserBalance();
if (this.currentGameId()) { if (this.currentGameId()) {
this.refreshGameState(this.currentGameId()!); this.refreshGameState(this.currentGameId()!);
} }

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@ -6,11 +6,9 @@ import {
OnChanges, OnChanges,
Output, Output,
SimpleChanges, SimpleChanges,
signal,
} from '@angular/core'; } from '@angular/core';
import { CommonModule, CurrencyPipe } from '@angular/common'; import { CommonModule, CurrencyPipe } from '@angular/common';
import { FormGroup, ReactiveFormsModule } from '@angular/forms'; import { FormBuilder, FormGroup, ReactiveFormsModule, Validators } from '@angular/forms';
import { BettingService } from '@blackjack/services/betting.service';
@Component({ @Component({
selector: 'app-game-info', selector: 'app-game-info',
@ -67,12 +65,10 @@ import { BettingService } from '@blackjack/services/betting.service';
type="number" type="number"
id="bet" id="bet"
formControlName="bet" formControlName="bet"
class="w-full px-3 py-2 bg-deep-blue-light text-white rounded focus:outline-none focus:ring-2 focus:ring-emerald disabled:opacity-50" class="w-full px-3 py-2 bg-deep-blue-light text-white rounded focus:outline-none focus:ring-2 focus:ring-emerald"
[min]="1" [min]="1"
[max]="balance" [max]="balance"
step="0.01" step="0.01"
[disabled]="gameInProgress || isActionInProgress"
[placeholder]="balance | currency: 'EUR'"
/> />
@if (betForm.get('bet')?.errors?.['required'] && betForm.get('bet')?.touched) { @if (betForm.get('bet')?.errors?.['required'] && betForm.get('bet')?.touched) {
<span class="text-xs text-accent-red">Bitte geben Sie einen Einsatz ein</span> <span class="text-xs text-accent-red">Bitte geben Sie einen Einsatz ein</span>
@ -105,14 +101,7 @@ import { BettingService } from '@blackjack/services/betting.service';
changeDetection: ChangeDetectionStrategy.OnPush, changeDetection: ChangeDetectionStrategy.OnPush,
}) })
export class GameInfoComponent implements OnChanges { export class GameInfoComponent implements OnChanges {
@Input() set balance(value: number) { @Input() balance = 0;
this._balance.set(value);
}
get balance() {
return this._balance();
}
private _balance = signal(0);
@Input() currentBet = 0; @Input() currentBet = 0;
@Input() gameInProgress = false; @Input() gameInProgress = false;
@Input() isActionInProgress = false; @Input() isActionInProgress = false;
@ -120,19 +109,24 @@ export class GameInfoComponent implements OnChanges {
betForm: FormGroup; betForm: FormGroup;
constructor(private bettingService: BettingService) { constructor(private fb: FormBuilder) {
this.betForm = this.bettingService.createBetForm(); this.betForm = this.fb.group({
bet: ['', [Validators.required, Validators.min(1)]],
});
} }
ngOnChanges(changes: SimpleChanges): void { ngOnChanges(changes: SimpleChanges): void {
if (changes['balance']) { if (changes['balance']) {
this.bettingService.updateBetFormValidators(this.betForm, this.balance); this.betForm
.get('bet')
?.setValidators([Validators.required, Validators.min(1), Validators.max(this.balance)]);
this.betForm.get('bet')?.updateValueAndValidity();
} }
} }
setBetAmount(percentage: number) { setBetAmount(percentage: number) {
const betAmount = this.bettingService.calculateBetAmount(this.balance, percentage); const betAmount = Math.floor(this.balance * percentage * 100) / 100;
if (this.bettingService.isValidBet(betAmount, this.balance)) { if (betAmount >= 1) {
this.betForm.patchValue({ bet: betAmount }); this.betForm.patchValue({ bet: betAmount });
} }
} }
@ -140,7 +134,7 @@ export class GameInfoComponent implements OnChanges {
onSubmit() { onSubmit() {
if (this.betForm.valid) { if (this.betForm.valid) {
const betAmount = parseFloat(this.betForm.value.bet); const betAmount = parseFloat(this.betForm.value.bet);
if (this.bettingService.isValidBet(betAmount, this.balance)) { if (betAmount <= this.balance) {
this.newGame.emit(betAmount); this.newGame.emit(betAmount);
this.betForm.reset(); this.betForm.reset();
} }

View file

@ -1,31 +0,0 @@
import { Injectable } from '@angular/core';
import { FormBuilder, FormGroup, Validators } from '@angular/forms';
@Injectable({
providedIn: 'root',
})
export class BettingService {
constructor(private fb: FormBuilder) {}
createBetForm(): FormGroup {
return this.fb.group({
bet: ['', [Validators.required, Validators.min(1)]],
});
}
updateBetFormValidators(form: FormGroup, balance: number): void {
form.reset();
form
.get('bet')
?.setValidators([Validators.required, Validators.min(1), Validators.max(balance)]);
form.get('bet')?.updateValueAndValidity();
}
calculateBetAmount(balance: number, percentage: number): number {
return Math.floor(balance * percentage * 100) / 100;
}
isValidBet(betAmount: number, balance: number): boolean {
return betAmount >= 1 && betAmount <= balance;
}
}