114 lines
3.4 KiB
Go
114 lines
3.4 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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"github.com/google/uuid"
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)
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type InventoryValidator interface {
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ValidateCreateInventoryRequest(req *contract.CreateInventoryRequest) (error, string)
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ValidateUpdateInventoryRequest(req *contract.UpdateInventoryRequest) (error, string)
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ValidateListInventoryRequest(req *contract.ListInventoryRequest) (error, string)
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ValidateAdjustInventoryRequest(req *contract.AdjustInventoryRequest) (error, string)
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}
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type InventoryValidatorImpl struct{}
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func NewInventoryValidator() *InventoryValidatorImpl {
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return &InventoryValidatorImpl{}
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}
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func (v *InventoryValidatorImpl) ValidateCreateInventoryRequest(req *contract.CreateInventoryRequest) (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.OutletID == uuid.Nil {
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return errors.New("outlet_id 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 req.Quantity < 0 {
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return errors.New("quantity must be non-negative"), constants.MalformedFieldErrorCode
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}
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if req.ReorderLevel < 0 {
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return errors.New("reorder_level must be non-negative"), constants.MalformedFieldErrorCode
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}
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return nil, ""
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}
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func (v *InventoryValidatorImpl) ValidateUpdateInventoryRequest(req *contract.UpdateInventoryRequest) (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.Quantity == nil && req.ReorderLevel == 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.Quantity != nil && *req.Quantity < 0 {
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return errors.New("quantity must be non-negative"), constants.MalformedFieldErrorCode
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}
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if req.ReorderLevel != nil && *req.ReorderLevel < 0 {
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return errors.New("reorder_level must be non-negative"), constants.MalformedFieldErrorCode
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}
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return nil, ""
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}
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func (v *InventoryValidatorImpl) ValidateListInventoryRequest(req *contract.ListInventoryRequest) (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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return nil, ""
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}
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func (v *InventoryValidatorImpl) ValidateAdjustInventoryRequest(req *contract.AdjustInventoryRequest) (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 req.OutletID == uuid.Nil {
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return errors.New("outlet_id is required"), constants.MissingFieldErrorCode
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}
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if req.Delta == 0 {
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return errors.New("delta cannot be zero"), constants.MalformedFieldErrorCode
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}
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if strings.TrimSpace(req.Reason) == "" {
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return errors.New("reason is required"), constants.MissingFieldErrorCode
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}
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if len(req.Reason) < 1 || len(req.Reason) > 255 {
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return errors.New("reason 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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