/
wallet_repository.go
44 lines (38 loc) · 1.12 KB
/
wallet_repository.go
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package postgres
import (
"context"
"database/sql"
"github.com/alexey-savchuk/infotecs-ewallet/internal/customerrors"
"github.com/alexey-savchuk/infotecs-ewallet/internal/repository"
)
type WalletRepository struct {
db *sql.DB
}
func NewWalletRepository(db *sql.DB) *WalletRepository {
return &WalletRepository{
db: db,
}
}
func (wr *WalletRepository) Create(ctx context.Context) (*repository.DBWallet, error) {
query := `INSERT INTO wallet DEFAULT VALUES RETURNING wallet_id, balance`
row := wr.db.QueryRowContext(ctx, query)
wallet := &repository.DBWallet{}
err := row.Scan(&wallet.WalletID, &wallet.Balance)
if err != nil {
return nil, err
}
return wallet, nil
}
func (w *WalletRepository) GetByWalletID(ctx context.Context, walletID string) (*repository.DBWallet, error) {
query := `SELECT wallet_id, balance FROM wallet WHERE wallet_id = $1`
row := w.db.QueryRowContext(ctx, query, walletID)
wallet := repository.DBWallet{}
err := row.Scan(&wallet.WalletID, &wallet.Balance)
if err != nil {
if err == sql.ErrNoRows {
return nil, customerrors.ErrWalletNotExists
}
return nil, err
}
return &wallet, nil
}