apskel-pos-backend/internal/service/spin_game_service.go
2025-09-18 13:39:37 +07:00

99 lines
2.6 KiB
Go

package service
import (
"context"
"fmt"
"apskel-pos-be/internal/models"
"apskel-pos-be/internal/processor"
"apskel-pos-be/internal/repository"
"github.com/google/uuid"
)
type SpinGameService interface {
PlaySpinGame(ctx context.Context, customerID string, req *models.SpinGameRequest) (*models.SpinGameResponse, error)
}
type spinGameService struct {
gamePlayProcessor *processor.GamePlayProcessor
txManager *repository.TxManager
}
func NewSpinGameService(gamePlayProcessor *processor.GamePlayProcessor, txManager *repository.TxManager) SpinGameService {
return &spinGameService{
gamePlayProcessor: gamePlayProcessor,
txManager: txManager,
}
}
func (s *spinGameService) PlaySpinGame(ctx context.Context, customerID string, req *models.SpinGameRequest) (*models.SpinGameResponse, error) {
// Validate customer ID
if customerID == "" {
return nil, fmt.Errorf("customer ID is required")
}
// Parse spin ID to UUID
spinID, err := uuid.Parse(req.SpinID)
if err != nil {
return nil, fmt.Errorf("invalid spin ID format: %w", err)
}
// Parse customer ID to UUID
customerUUID, err := uuid.Parse(customerID)
if err != nil {
return nil, fmt.Errorf("invalid customer ID format: %w", err)
}
// Use transaction to ensure consistency
var playResponse *models.PlayGameResponse
err = s.txManager.WithTransaction(ctx, func(txCtx context.Context) error {
// Create play game request
playGameReq := &models.PlayGameRequest{
GameID: spinID,
CustomerID: customerUUID,
TokenUsed: 1, // Default to 1 token per spin
}
// Play the game within transaction
var playErr error
playResponse, playErr = s.gamePlayProcessor.PlayGame(txCtx, playGameReq)
if playErr != nil {
return fmt.Errorf("failed to play spin game: %w", playErr)
}
return nil
})
if err != nil {
return nil, err
}
// Convert prize to customer-facing format
var customerPrize *models.CustomerGamePrizeResponse
if playResponse.PrizeWon != nil {
customerPrize = &models.CustomerGamePrizeResponse{
ID: playResponse.PrizeWon.ID,
GameID: playResponse.PrizeWon.GameID,
Name: playResponse.PrizeWon.Name,
Image: playResponse.PrizeWon.Image,
Metadata: &playResponse.PrizeWon.Metadata,
CreatedAt: playResponse.PrizeWon.CreatedAt,
UpdatedAt: playResponse.PrizeWon.UpdatedAt,
}
}
// Convert to spin game response
response := &models.SpinGameResponse{
Status: "SUCCESS",
Message: "Spin game completed successfully.",
Data: &models.SpinGameResponseData{
GamePlay: playResponse.GamePlay,
PrizeWon: customerPrize,
TokensRemaining: playResponse.TokensRemaining,
},
}
return response, nil
}