Method UpdateUserEmailFromIdentities

internal/models/user.go:276–315

UpdateUserEmail updates the user's email to one of the identity's email if the current email used doesn't match any of the identities email

(tx *storage.Connection)

// UpdateUserEmail updates the user's email to one of the identity's email
// if the current email used doesn't match any of the identities email
func (u *User) UpdateUserEmailFromIdentities(tx *storage.Connection) error {
	identities, terr := FindIdentitiesByUserID(tx, u.ID)
	if terr != nil {
		return terr
	}
	for _, i := range identities {
		if u.GetEmail() == i.GetEmail() {
			// there's an existing identity that uses the same email
			// so the user's email can be kept
			return nil
		}
	}

	var primaryIdentity *Identity
	for _, i := range identities {
		if _, terr := FindUserByEmailAndAudience(tx, i.GetEmail(), u.Aud); terr != nil {
			if IsNotFoundError(terr) {
				// the identity's email is not used by another user
				// so we can set it as the primary identity
				primaryIdentity = i
				break
			}
			return terr
		}
	}
	if primaryIdentity == nil {
		return UserEmailUniqueConflictError{}
	}
	// default to the first identity's email
	if terr := u.SetEmail(tx, primaryIdentity.GetEmail()); terr != nil {
		return terr
	}
	if primaryIdentity.GetEmail() == "" {
		u.EmailConfirmedAt = nil
		if terr := tx.UpdateOnly(u, "email_confirmed_at"); terr != nil {
			return terr
		}
	}
	return nil
}

// SetEmail sets the user's email
func (u *User) SetEmail(tx *storage.Connection, email string) error {