package mysqlbenefactor import ( "context" "database/sql" "errors" "time" "git.gocasts.ir/ebhomengo/niki/entity" errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg" richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error" "git.gocasts.ir/ebhomengo/niki/repository/mysql" ) func (d DB) IsExistBenefactorByPhoneNumber(ctx context.Context, phoneNumber string) (bool, entity.Benefactor, error) { const op = "mysqlbenefactor.IsExistBenefactorByPhoneNumber" row := d.conn.Conn().QueryRowContext(ctx, `select * from benefactors where phone_number = ?`, phoneNumber) Benefactor, err := scanBenefactor(row) if err != nil { sErr := sql.ErrNoRows //TODO-errorsas: second argument to errors.As should not be *error //nolint if errors.As(err, &sErr) { return false, entity.Benefactor{}, nil } // TODO - log unexpected error for better observability return false, entity.Benefactor{}, richerror.New(op).WithErr(err). WithMessage(errmsg.ErrorMsgCantScanQueryResult).WithKind(richerror.KindUnexpected) } return true, Benefactor, nil } func scanBenefactor(scanner mysql.Scanner) (entity.Benefactor, error) { var createdAt time.Time var benefactor entity.Benefactor var roleStr, statusStr string // TODO - use db model and mapper between entity and db model OR use this approach var benefactorNullableFields nullableFields err := scanner.Scan(&benefactor.ID, &benefactorNullableFields.firstName, &benefactorNullableFields.lastName, &benefactor.PhoneNumber, &benefactorNullableFields.address, &benefactorNullableFields.description, &benefactorNullableFields.email, &benefactorNullableFields.city, &benefactorNullableFields.genderStr, &statusStr, &benefactorNullableFields.birthdate, &roleStr, &createdAt) benefactor.Role = entity.MapToUserRole(roleStr) benefactor.Status = entity.MapToBenefactorStatus(statusStr) mapNotNullToBenefactor(benefactorNullableFields, &benefactor) return benefactor, err } type nullableFields struct { firstName sql.NullString lastName sql.NullString address sql.NullString description sql.NullString email sql.NullString city sql.NullString genderStr sql.NullString birthdate sql.NullTime } // TODO - find the other solution. func mapNotNullToBenefactor(data nullableFields, benefactor *entity.Benefactor) { if data.firstName.Valid { benefactor.FirstName = data.firstName.String } if data.lastName.Valid { benefactor.LastName = data.lastName.String } if data.address.Valid { benefactor.Address = data.address.String } if data.description.Valid { benefactor.Description = data.description.String } if data.email.Valid { benefactor.Email = data.email.String } if data.city.Valid { benefactor.City = data.city.String } if data.genderStr.Valid { benefactor.Gender = entity.MapToGender(data.genderStr.String) } if data.birthdate.Valid { benefactor.Birthdate = data.birthdate.Time } }