WhatsApp Go MCP

package validations import ( "context" "fmt" pkgError "github.com/aldinokemal/go-whatsapp-web-multidevice/pkg/error" validation "github.com/go-ozzo/ozzo-validation/v4" "regexp" ) func ValidateLoginWithCode(ctx context.Context, phoneNumber string) error { // Combine validations using a single ValidateWithContext call err := validation.ValidateWithContext(ctx, &phoneNumber, validation.Required, validation.Match(regexp.MustCompile(`^\+?[0-9]{1,15}$`)), ) if err != nil { return pkgError.ValidationError(fmt.Sprintf("phone_number(%s): %s", phoneNumber, err.Error())) } return nil }