todo/internal/user/service/service.go
2025-05-16 12:33:40 -04:00

114 lines
2.5 KiB
Go

package service
import (
"context"
"errors"
"log/slog"
"gitea.michaelthomson.dev/mthomson/habits/internal/user/repository"
"github.com/gofrs/uuid/v5"
)
var (
ErrNotFound error = errors.New("user cannot be found")
)
type User struct {
Id uuid.UUID
Email string
HashedPassword string
}
func NewUser(id uuid.UUID, email string, hashedPassword string) User {
return User{Id: id, Email: email, HashedPassword: hashedPassword}
}
func UserFromUserRow(userRow repository.UserRow) User {
return User{Id: userRow.Id, Email: userRow.Email, HashedPassword: userRow.HashedPassword}
}
func UserRowFromUser(user User) repository.UserRow {
return repository.UserRow{Id: user.Id, Email: user.Email, HashedPassword: user.HashedPassword}
}
func (t User) Equal(user User) bool {
return t.Id == user.Id && t.Email == user.Email && t.HashedPassword == user.HashedPassword
}
type UserRepository interface {
Create(ctx context.Context, user repository.UserRow) (repository.UserRow, error)
GetById(ctx context.Context, id uuid.UUID) (repository.UserRow, error)
Update(ctx context.Context, user repository.UserRow) error
Delete(ctx context.Context, id uuid.UUID) error
}
type UserService struct {
logger *slog.Logger
repo UserRepository
}
func NewUserService(logger *slog.Logger, userRepo UserRepository) *UserService {
return &UserService{
logger: logger,
repo: userRepo,
}
}
func (s *UserService) GetUser(ctx context.Context, id uuid.UUID) (User, error) {
user, err := s.repo.GetById(ctx, id)
if err != nil {
if err == repository.ErrNotFound {
return User{}, ErrNotFound
}
s.logger.ErrorContext(ctx, err.Error())
return User{}, err
}
return UserFromUserRow(user), err
}
func (s *UserService) CreateUser(ctx context.Context, user User) (User, error) {
userRow := UserRowFromUser(user)
newUserRow, err := s.repo.Create(ctx, userRow)
if err != nil {
s.logger.ErrorContext(ctx, err.Error())
return User{}, err
}
return UserFromUserRow(newUserRow), err
}
func (s *UserService) DeleteUser(ctx context.Context, id uuid.UUID) error {
err := s.repo.Delete(ctx, id)
if err == repository.ErrNotFound {
return ErrNotFound
}
if err != nil {
s.logger.ErrorContext(ctx, err.Error())
}
return err
}
func (s *UserService) UpdateUser(ctx context.Context, user User) error {
userRow := UserRowFromUser(user)
err := s.repo.Update(ctx, userRow)
if err == repository.ErrNotFound {
return ErrNotFound
}
if err != nil {
s.logger.ErrorContext(ctx, err.Error())
}
return err
}