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service.go
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service.go
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package user
import (
"github.com/pkg/errors"
"github.com/dzeban/conduit/app"
)
var (
errorEmailIsRequired = errors.New("email is required")
errorPasswordIsRequired = errors.New("password is required")
errorPasswordMismatch = errors.New("password mismatch")
errorUsernameIsRequired = errors.New("username is required")
errorUserExists = errors.New("user exists")
errorUserNotFound = errors.New("user not found")
errorUserUpdateForbidden = errors.New("user update forbidden")
errorInvalidRequest = errors.New("invalid request")
errorUserNotCreated = errors.New("user not created")
)
type Store interface {
GetUser(email string) (*app.User, error)
GetUserById(id int) (*app.User, error)
AddUser(user *app.User) error
UpdateUser(user *app.User) error
}
// Service provides a service for interacting with user accounts
type Service struct {
store Store
}
// NewService creates new instance of the service with provided store
func NewService(store Store) *Service {
return &Service{store}
}
// Get returns user by email
func (s *Service) Get(email string) (*app.User, error) {
u, err := s.store.GetUser(email)
if err != nil {
return nil, app.InternalError(errors.Wrap(err, "failed to get user"))
}
if u == nil {
return nil, app.ServiceError(errorUserNotFound)
}
return u, nil
}