services

type Auth interface {
	SignUp(u *models.User) (*models.User, error)
	SignIn(u *models.User) (*models.User, *models.Session, error)
}

type Comparer interface {
	Compare(password string, hashed string) error
}

type Cryptor interface {
	Comparer
	Hasher
}

type Deal interface {
	MakeTransaction(authorID, dealID, amount int) error
	GetByID(id int) (*models.Deal, error)
	GetAllByID(id int) (*models.Deal, error)
	Get() ([]models.Deal, error)
	Create(d *models.Deal) (*models.Deal, error)
	Patch(d *models.Deal) (*models.Deal, error)
	Delete(d int) error
}

type Hasher interface {
	Hash(password string) (string, error)
}

type Inventory interface {
	GetByID(id int) (*models.InventoryItem, error)
	GetUserInventory(userID int) ([]models.InventoryItem, error)
	GetUserInventoryBySecurityID(userID int, securityID int) (*models.InventoryItem, error)
	Withdraw(ownerID, securityID, amount uint) (*models.InventoryItem, error)
	Add(ownerID, securityID, amount uint) (*models.InventoryItem, error)
	Patch(item *models.InventoryItem) (*models.InventoryItem, error)
	Delete(id int) error
}

type Security interface {
	Get() ([]models.Security, error)
}

type Transaction interface {
	Get(userID int) ([]models.Transaction, error)
	Add(t *models.Transaction) (*models.Transaction, error)
}

type User interface {
	GetByID(id int) (*models.User, error)
	Get() ([]models.User, error)
	Patch(user *models.User) (*models.User, error)
	WithdrawMoney(userID, amount int) error
	AddMoney(userID, amount int) error
}