81 lines
2.0 KiB
Go
81 lines
2.0 KiB
Go
package paymentaccount
|
|
|
|
import "errors"
|
|
|
|
var (
|
|
ErrDependencyUnavailable = errors.New("dependency unavailable")
|
|
ErrAccountNotFound = errors.New("payment account not found")
|
|
ErrAccountNameMismatch = errors.New("account name must match realname")
|
|
ErrRealnameRequired = errors.New("realname verification required")
|
|
ErrAccountLimit = errors.New("maximum payment accounts reached")
|
|
ErrCannotDeleteDefault = errors.New("cannot delete default account")
|
|
)
|
|
|
|
type Service struct {
|
|
repo *Repository
|
|
}
|
|
|
|
func NewService(repo *Repository) *Service {
|
|
return &Service{repo: repo}
|
|
}
|
|
|
|
func (s *Service) List(userID uint64, page, pageSize int) (*PaginatedResult, error) {
|
|
if s.repo == nil {
|
|
return nil, ErrDependencyUnavailable
|
|
}
|
|
if page < 1 {
|
|
page = 1
|
|
}
|
|
if pageSize < 1 || pageSize > 100 {
|
|
pageSize = 20
|
|
}
|
|
return s.repo.List(userID, page, pageSize)
|
|
}
|
|
|
|
func (s *Service) FindByID(userID, id uint64) (*PaymentAccountDTO, error) {
|
|
if s.repo == nil {
|
|
return nil, ErrDependencyUnavailable
|
|
}
|
|
return s.repo.FindByID(userID, id)
|
|
}
|
|
|
|
func (s *Service) Create(userID uint64, req CreatePaymentAccountRequest) (*PaymentAccountDTO, error) {
|
|
if s.repo == nil {
|
|
return nil, ErrDependencyUnavailable
|
|
}
|
|
// 验证实名状态
|
|
if err := s.repo.ValidateRealname(userID, req.AccountName); err != nil {
|
|
return nil, err
|
|
}
|
|
// 检查账号数量限制（最多5个）
|
|
count, err := s.repo.CountByUser(userID)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
if count >= 5 {
|
|
return nil, ErrAccountLimit
|
|
}
|
|
return s.repo.Create(userID, req)
|
|
}
|
|
|
|
func (s *Service) Update(userID, id uint64, req UpdatePaymentAccountRequest) (*PaymentAccountDTO, error) {
|
|
if s.repo == nil {
|
|
return nil, ErrDependencyUnavailable
|
|
}
|
|
return s.repo.Update(userID, id, req)
|
|
}
|
|
|
|
func (s *Service) Delete(userID, id uint64) error {
|
|
if s.repo == nil {
|
|
return ErrDependencyUnavailable
|
|
}
|
|
return s.repo.Delete(userID, id)
|
|
}
|
|
|
|
func (s *Service) SetDefault(userID, id uint64) error {
|
|
if s.repo == nil {
|
|
return ErrDependencyUnavailable
|
|
}
|
|
return s.repo.SetDefault(userID, id)
|
|
}
|