repository

type ProductRepository interface {
	Create(ctx context.Context, product model.Product) error
	Read(context.Context) ([]model.Product, error)
	Update(ctx context.Context, product model.Product) error
	Delete(ctx context.Context, productID int64) error
	ReadByID(ctx context.Context, id int64) (*model.Product, error)
	UpdateStock(ctx context.Context, productID int64, newStock int64) error
}

type TransactionRepository interface {
	Create(context.Context, model.Transaction) (*model.Transaction, error)
	Update(context.Context, model.Transaction) error
	UpdateStatus(ctx context.Context, transactionID int64, status string) error
	ReadByID(ctx context.Context, transactionID int64) (*model.Transaction, error)
}

type UserRepository interface {
	Create(context.Context, model.User) error
	Read(context.Context) ([]model.User, error)
	Update(ctx context.Context, request model.User) error
	Delete(ctx context.Context, userid int64) error
	ReadByID(ctx context.Context, userid int64) (user model.User, err error)
	ReadByUsername(ctx context.Context, username string) (user model.User, err error)
	CountUser(ctx context.Context, request model.User) (int32, error)
}