// Checks if a user with that email already exists in the database. If it does,
// it returns an error, else it hashes the password, saves the new user
// and returns the user.
func (s *userService) Create(user *models.User) error {
var err error
user.Username = s.SanitizeUsername(user.Username)
result, err := s.FindByUsername(user.Username)
if err != nil {
return err
} else if result != nil {
return DuplicateUsernameError
}
hashedPassword, err := s.EncryptPassword(user.Password)
if err != nil {
return err
}
user.Password = string(hashedPassword)
user.Status = int(Enabled)
err = s.db.Create(&user).Error
if err != nil {
return err
}
return nil
}
// Edit user modifies the basic user's models attributes. The function checks
// if the username changed and if it needs to check if the username is already
// taken.
func (s *userService) Edit(newUser *models.User) error {
user, err := s.FindById(newUser.Id)
newUser.Username = s.SanitizeUsername(newUser.Username)
if err != nil {
return err
} else if user == nil {
return nil
}
if user.Username != newUser.Username {
duplicateUser, err := s.FindByUsername(newUser.Username)
if err != nil {
return err
} else if duplicateUser != nil {
return DuplicateUsernameError
}
}
user.Username = newUser.Username
user.FirstName = newUser.FirstName
user.LastName = newUser.LastName
user.Email = newUser.Email
user.Status = newUser.Status
user.IsAdmin = newUser.IsAdmin
user.IsTeacher = newUser.IsTeacher
return s.db.Save(&user).Error
}