Init

internal/user/service.go

@@ -0,0 +1,55 @@
+package user
+
+import (
+	"ResendIt/internal/security"
+	"errors"
+)
+
+var ErrCannotDeleteSelf = errors.New("cannot delete yourself")
+
+type Service struct {
+	repo *Repository
+}
+
+func NewService(r *Repository) *Service {
+	return &Service{repo: r}
+}
+
+// CreateUser creates a new user with the given username, password, and role
+func (s *Service) CreateUser(username, password, role string) (*User, error) {
+	hash, err := security.HashPassword(password)
+	if err != nil {
+		return nil, err
+	}
+
+	u := &User{
+		Username:     username,
+		PasswordHash: hash,
+		Role:         role,
+	}
+
+	if err := s.repo.Create(u); err != nil {
+		return nil, err
+	}
+
+	return u, nil
+}
+
+// GetAllUsers returns all users
+func (s *Service) GetAllUsers() ([]User, error) {
+	return s.repo.GetAll()
+}
+
+// DeleteUser deletes a user by ID
+func (s *Service) DeleteUser(requesterID, targetID uint) error {
+	if requesterID == targetID {
+		return ErrCannotDeleteSelf
+	}
+
+	return s.repo.Delete(targetID)
+}
+
+// FindByUsername returns a user by username
+func (s *Service) FindByUsername(username string) (*User, error) {
+	return s.repo.FindByUsername(username)
+}