apskel-pos-backend/internal/validator/expense_validator.go
2026-05-25 14:59:40 +07:00

126 lines
3.8 KiB
Go

package validator
import (
"errors"
"strings"
"apskel-pos-be/internal/constants"
"apskel-pos-be/internal/contract"
"github.com/google/uuid"
)
type ExpenseValidator interface {
ValidateCreateExpenseRequest(req *contract.CreateExpenseRequest) (error, string)
ValidateUpdateExpenseRequest(req *contract.UpdateExpenseRequest) (error, string)
ValidateListExpenseRequest(req *contract.ListExpenseRequest) (error, string)
}
type ExpenseValidatorImpl struct{}
func NewExpenseValidator() *ExpenseValidatorImpl {
return &ExpenseValidatorImpl{}
}
func (v *ExpenseValidatorImpl) ValidateCreateExpenseRequest(req *contract.CreateExpenseRequest) (error, string) {
if req == nil {
return errors.New("request body is required"), constants.MissingFieldErrorCode
}
if strings.TrimSpace(req.Receiver) == "" {
return errors.New("receiver is required"), constants.MissingFieldErrorCode
}
if strings.TrimSpace(req.TransactionDate) == "" {
return errors.New("transaction_date is required"), constants.MissingFieldErrorCode
}
if strings.TrimSpace(req.CodeNumber) == "" {
return errors.New("code_number is required"), constants.MissingFieldErrorCode
}
if strings.TrimSpace(req.ChartOfAccountID) == "" {
return errors.New("chart_of_account_id is required"), constants.MissingFieldErrorCode
}
if _, err := uuid.Parse(req.ChartOfAccountID); err != nil {
return errors.New("chart_of_account_id must be a valid UUID"), constants.MalformedFieldErrorCode
}
if strings.TrimSpace(req.OutletID) == "" {
return errors.New("outlet_id is required"), constants.MissingFieldErrorCode
}
if _, err := uuid.Parse(req.OutletID); err != nil {
return errors.New("outlet_id must be a valid UUID"), constants.MalformedFieldErrorCode
}
if req.Total <= 0 {
return errors.New("total must be greater than 0"), constants.MalformedFieldErrorCode
}
if req.Tax < 0 {
return errors.New("tax cannot be negative"), constants.MalformedFieldErrorCode
}
return nil, ""
}
func (v *ExpenseValidatorImpl) ValidateUpdateExpenseRequest(req *contract.UpdateExpenseRequest) (error, string) {
if req == nil {
return errors.New("request body is required"), constants.MissingFieldErrorCode
}
if req.Receiver != nil && strings.TrimSpace(*req.Receiver) == "" {
return errors.New("receiver cannot be empty"), constants.MalformedFieldErrorCode
}
if req.CodeNumber != nil && strings.TrimSpace(*req.CodeNumber) == "" {
return errors.New("code_number cannot be empty"), constants.MalformedFieldErrorCode
}
if req.ChartOfAccountID != nil {
if strings.TrimSpace(*req.ChartOfAccountID) == "" {
return errors.New("chart_of_account_id cannot be empty"), constants.MalformedFieldErrorCode
}
if _, err := uuid.Parse(*req.ChartOfAccountID); err != nil {
return errors.New("chart_of_account_id must be a valid UUID"), constants.MalformedFieldErrorCode
}
}
if req.OutletID != nil {
if strings.TrimSpace(*req.OutletID) == "" {
return errors.New("outlet_id cannot be empty"), constants.MalformedFieldErrorCode
}
if _, err := uuid.Parse(*req.OutletID); err != nil {
return errors.New("outlet_id must be a valid UUID"), constants.MalformedFieldErrorCode
}
}
if req.Total != nil && *req.Total <= 0 {
return errors.New("total must be greater than 0"), constants.MalformedFieldErrorCode
}
if req.Tax != nil && *req.Tax < 0 {
return errors.New("tax cannot be negative"), constants.MalformedFieldErrorCode
}
return nil, ""
}
func (v *ExpenseValidatorImpl) ValidateListExpenseRequest(req *contract.ListExpenseRequest) (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, ""
}