123 lines
3.6 KiB
Go
123 lines
3.6 KiB
Go
package validator
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import (
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"errors"
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"strings"
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"apskel-pos-be/internal/constants"
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"apskel-pos-be/internal/contract"
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)
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type CategoryValidator interface {
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ValidateCreateCategoryRequest(req *contract.CreateCategoryRequest) (error, string)
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ValidateUpdateCategoryRequest(req *contract.UpdateCategoryRequest) (error, string)
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ValidateListCategoriesRequest(req *contract.ListCategoriesRequest) (error, string)
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}
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type CategoryValidatorImpl struct{}
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func NewCategoryValidator() *CategoryValidatorImpl {
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return &CategoryValidatorImpl{}
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}
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func (v *CategoryValidatorImpl) ValidateCreateCategoryRequest(req *contract.CreateCategoryRequest) (error, string) {
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if req == nil {
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return errors.New("request body is required"), constants.MissingFieldErrorCode
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}
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if strings.TrimSpace(req.Name) == "" {
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return errors.New("name is required"), constants.MissingFieldErrorCode
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}
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if len(req.Name) < 1 || len(req.Name) > 255 {
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return errors.New("name must be between 1 and 255 characters"), constants.MalformedFieldErrorCode
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}
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if req.Description != nil && len(*req.Description) > 1000 {
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return errors.New("description cannot exceed 1000 characters"), constants.MalformedFieldErrorCode
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}
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if req.BusinessType != nil && strings.TrimSpace(*req.BusinessType) != "" {
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validBusinessTypes := map[string]bool{
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"restaurant": true,
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"cafe": true,
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"bar": true,
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"fastfood": true,
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"retail": true,
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}
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if !validBusinessTypes[*req.BusinessType] {
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return errors.New("invalid business_type"), constants.MalformedFieldErrorCode
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}
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}
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return nil, ""
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}
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func (v *CategoryValidatorImpl) ValidateUpdateCategoryRequest(req *contract.UpdateCategoryRequest) (error, string) {
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if req == nil {
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return errors.New("request body is required"), constants.MissingFieldErrorCode
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}
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// At least one field should be provided for update
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if req.Name == nil && req.Description == nil && req.BusinessType == nil && req.Metadata == nil {
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return errors.New("at least one field must be provided for update"), constants.MissingFieldErrorCode
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}
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if req.Name != nil {
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if strings.TrimSpace(*req.Name) == "" {
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return errors.New("name cannot be empty"), constants.MalformedFieldErrorCode
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}
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if len(*req.Name) < 1 || len(*req.Name) > 255 {
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return errors.New("name must be between 1 and 255 characters"), constants.MalformedFieldErrorCode
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}
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}
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if req.Description != nil && len(*req.Description) > 1000 {
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return errors.New("description cannot exceed 1000 characters"), constants.MalformedFieldErrorCode
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}
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if req.BusinessType != nil && strings.TrimSpace(*req.BusinessType) != "" {
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validBusinessTypes := map[string]bool{
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"restaurant": true,
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"cafe": true,
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"bar": true,
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"fastfood": true,
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"retail": true,
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}
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if !validBusinessTypes[*req.BusinessType] {
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return errors.New("invalid business_type"), constants.MalformedFieldErrorCode
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}
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}
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return nil, ""
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}
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func (v *CategoryValidatorImpl) ValidateListCategoriesRequest(req *contract.ListCategoriesRequest) (error, string) {
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if req == nil {
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return errors.New("request is required"), constants.MissingFieldErrorCode
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}
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if req.Page < 1 {
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return errors.New("page must be at least 1"), constants.MalformedFieldErrorCode
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}
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if req.Limit < 1 || req.Limit > 100 {
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return errors.New("limit must be between 1 and 100"), constants.MalformedFieldErrorCode
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}
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if req.BusinessType != "" {
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validBusinessTypes := map[string]bool{
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"restaurant": true,
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"cafe": true,
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"bar": true,
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"fastfood": true,
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"retail": true,
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}
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if !validBusinessTypes[req.BusinessType] {
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return errors.New("invalid business_type"), constants.MalformedFieldErrorCode
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}
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}
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return nil, ""
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}
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