2025-09-12 01:12:11 +07:00

119 lines
3.7 KiB
Go

package validator
import (
"errors"
"strings"
"apskel-pos-be/internal/constants"
"apskel-pos-be/internal/contract"
)
type VendorValidator interface {
ValidateCreateVendorRequest(req *contract.CreateVendorRequest) (error, string)
ValidateUpdateVendorRequest(req *contract.UpdateVendorRequest) (error, string)
ValidateListVendorsRequest(req *contract.ListVendorsRequest) (error, string)
}
type VendorValidatorImpl struct{}
func NewVendorValidator() *VendorValidatorImpl {
return &VendorValidatorImpl{}
}
func (v *VendorValidatorImpl) ValidateCreateVendorRequest(req *contract.CreateVendorRequest) (error, string) {
if req == nil {
return errors.New("request body is required"), constants.MissingFieldErrorCode
}
if strings.TrimSpace(req.Name) == "" {
return errors.New("name is required"), constants.MissingFieldErrorCode
}
if len(req.Name) < 1 || len(req.Name) > 255 {
return errors.New("name must be between 1 and 255 characters"), constants.MalformedFieldErrorCode
}
if req.Email != nil && strings.TrimSpace(*req.Email) != "" {
if !isValidEmail(*req.Email) {
return errors.New("email format is invalid"), constants.MalformedFieldErrorCode
}
}
if req.PhoneNumber != nil && strings.TrimSpace(*req.PhoneNumber) != "" {
if !isValidPhone(*req.PhoneNumber) {
return errors.New("phone_number format is invalid"), constants.MalformedFieldErrorCode
}
}
if req.ContactPerson != nil && len(*req.ContactPerson) > 255 {
return errors.New("contact_person must be at most 255 characters"), constants.MalformedFieldErrorCode
}
if req.TaxNumber != nil && len(*req.TaxNumber) > 50 {
return errors.New("tax_number must be at most 50 characters"), constants.MalformedFieldErrorCode
}
if req.PaymentTerms != nil && len(*req.PaymentTerms) > 100 {
return errors.New("payment_terms must be at most 100 characters"), constants.MalformedFieldErrorCode
}
return nil, ""
}
func (v *VendorValidatorImpl) ValidateUpdateVendorRequest(req *contract.UpdateVendorRequest) (error, string) {
if req == nil {
return errors.New("request body is required"), constants.MissingFieldErrorCode
}
if req.Name != nil {
if strings.TrimSpace(*req.Name) == "" {
return errors.New("name cannot be empty"), constants.MalformedFieldErrorCode
}
if len(*req.Name) < 1 || len(*req.Name) > 255 {
return errors.New("name must be between 1 and 255 characters"), constants.MalformedFieldErrorCode
}
}
if req.Email != nil && strings.TrimSpace(*req.Email) != "" {
if !isValidEmail(*req.Email) {
return errors.New("email format is invalid"), constants.MalformedFieldErrorCode
}
}
if req.PhoneNumber != nil && strings.TrimSpace(*req.PhoneNumber) != "" {
if !isValidPhone(*req.PhoneNumber) {
return errors.New("phone_number format is invalid"), constants.MalformedFieldErrorCode
}
}
if req.ContactPerson != nil && len(*req.ContactPerson) > 255 {
return errors.New("contact_person must be at most 255 characters"), constants.MalformedFieldErrorCode
}
if req.TaxNumber != nil && len(*req.TaxNumber) > 50 {
return errors.New("tax_number must be at most 50 characters"), constants.MalformedFieldErrorCode
}
if req.PaymentTerms != nil && len(*req.PaymentTerms) > 100 {
return errors.New("payment_terms must be at most 100 characters"), constants.MalformedFieldErrorCode
}
return nil, ""
}
func (v *VendorValidatorImpl) ValidateListVendorsRequest(req *contract.ListVendorsRequest) (error, string) {
if req == nil {
return errors.New("request body is required"), constants.MissingFieldErrorCode
}
if req.Page < 1 {
return errors.New("page must be at least 1"), constants.MalformedFieldErrorCode
}
if req.Limit < 1 || req.Limit > 100 {
return errors.New("limit must be between 1 and 100"), constants.MalformedFieldErrorCode
}
return nil, ""
}