Documentation ¶
Index ¶
- Variables
- type Credit
- type Filter
- type Service
- func (s Service) Add(ctx context.Context, cred Credit) error
- func (s Service) Deduct(ctx context.Context, u usage.Usage) error
- func (s Service) GetBalance(ctx context.Context, accountID string) (int64, error)
- func (s Service) GetByID(ctx context.Context, id string) (Transaction, error)
- func (s Service) List(ctx context.Context, flt Filter) ([]Transaction, error)
- type Transaction
- type TransactionRepository
- type TransactionType
Constants ¶
This section is empty.
Variables ¶
View Source
var ( ErrNotFound = errors.New("transaction not found") ErrInvalidUUID = errors.New("invalid syntax of uuid") ErrInvalidID = errors.New("invalid transaction id") ErrInvalidDetail = errors.New("invalid transaction detail") ErrNotEnough = errors.New("not enough credits") ErrAlreadyApplied = errors.New("credits already applied") // TxNamespaceUUID is the namespace for generating transaction UUIDs deterministically TxNamespaceUUID = uuid.MustParse("967416d0-716e-4308-b58f-2468ac14f20a") SourceSystemBuyEvent = "system.buy" SourceSystemOnboardEvent = "system.starter" )
Functions ¶
This section is empty.
Types ¶
type Service ¶
type Service struct {
// contains filtered or unexported fields
}
func NewService ¶
func NewService(repository TransactionRepository) *Service
func (Service) GetBalance ¶
type Transaction ¶
type Transaction struct { ID string AccountID string Amount int64 Type TransactionType // Source is the source app or event that caused the transaction Source string Description string // UserID is the user who initiated the transaction UserID string Metadata metadata.Metadata CreatedAt time.Time UpdatedAt time.Time }
type TransactionRepository ¶
type TransactionRepository interface { CreateEntry(ctx context.Context, debit, credit Transaction) ([]Transaction, error) GetBalance(ctx context.Context, id string) (int64, error) List(ctx context.Context, flt Filter) ([]Transaction, error) GetByID(ctx context.Context, id string) (Transaction, error) }
type TransactionType ¶
type TransactionType string
const ( TypeDebit TransactionType = "debit" TypeCredit TransactionType = "credit" )
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