65 lines
1.9 KiB
Go
65 lines
1.9 KiB
Go
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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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"github.com/google/uuid"
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)
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type ProductVariantValidator interface {
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ValidateCreateProductVariantRequest(req *contract.CreateProductVariantRequest) (error, string)
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ValidateUpdateProductVariantRequest(req *contract.UpdateProductVariantRequest) (error, string)
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}
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type ProductVariantValidatorImpl struct{}
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func NewProductVariantValidator() *ProductVariantValidatorImpl {
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return &ProductVariantValidatorImpl{}
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}
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func (v *ProductVariantValidatorImpl) ValidateCreateProductVariantRequest(req *contract.CreateProductVariantRequest) (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 req.ProductID == uuid.Nil {
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return errors.New("product_id 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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return nil, ""
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}
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func (v *ProductVariantValidatorImpl) ValidateUpdateProductVariantRequest(req *contract.UpdateProductVariantRequest) (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.PriceModifier == 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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return nil, ""
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}
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