feat: create specific price system and adapt product queries

This commit is contained in:
2026-04-10 14:49:05 +02:00
parent 75af44b0df
commit 54608410ea
34 changed files with 1449 additions and 939 deletions

View File

@@ -4,7 +4,6 @@ import (
"encoding/json"
"errors"
"git.ma-al.com/goc_daniel/b2b/app/db"
"git.ma-al.com/goc_daniel/b2b/app/model"
"git.ma-al.com/goc_daniel/b2b/app/repos/productsRepo"
constdata "git.ma-al.com/goc_daniel/b2b/app/utils/const_data"
@@ -23,64 +22,90 @@ func New() *ProductService {
}
}
func (s *ProductService) GetJSON(p_id_product, p_id_lang, p_id_customer, b2b_id_country, p_quantity int) (*json.RawMessage, error) {
products, err := s.productsRepo.GetJSON(p_id_product, constdata.SHOP_ID, p_id_lang, p_id_customer, b2b_id_country, p_quantity)
if err != nil {
return products, err
}
func (s *ProductService) Get(
p_id_product, p_id_lang, p_id_customer, b2b_id_country, p_quantity uint,
) (*json.RawMessage, error) {
return products, nil
}
func (s *ProductService) Find(id_lang uint, p find.Paging, filters *filters.FiltersList, customer *model.Customer, quantity int, shopID uint) (*find.Found[model.ProductInList], error) {
if customer == nil || customer.Country == nil {
return nil, errors.New("customer is nil or is missing fields")
}
// customer.ID, customer.CountryID, uint(customer.Country.CurrencyID), quantity, shopID
found, err := s.productsRepo.Find(id_lang, p, filters)
product, err := s.productsRepo.GetBase(p_id_product, constdata.SHOP_ID, p_id_lang)
if err != nil {
return nil, err
}
price, err := s.productsRepo.GetPrice(p_id_product, nil, constdata.SHOP_ID, p_id_customer, b2b_id_country, p_quantity)
if err != nil {
return nil, err
}
variants, err := s.productsRepo.GetVariants(p_id_product, constdata.SHOP_ID, p_id_lang, p_id_customer, b2b_id_country, p_quantity)
if err != nil {
return nil, err
}
result := view.ProductFull{
Product: product,
Price: price,
Variants: variants,
}
if len(variants) > 0 {
result.Variants = variants
}
jsonBytes, err := json.Marshal(result)
if err != nil {
return nil, err
}
raw := json.RawMessage(jsonBytes)
return &raw, nil
}
func (s *ProductService) Find(
idLang uint,
p find.Paging,
filters *filters.FiltersList,
customer *model.Customer,
quantity uint,
shopID uint,
) (*find.Found[model.ProductInList], error) {
if customer == nil || customer.Country == nil {
return nil, errors.New("customer is nil or missing fields")
}
found, err := s.productsRepo.Find(idLang, p, filters)
if err != nil {
return nil, err
}
// 1. collect simple products (no variants)
simpleProductIndexes := make([]int, 0, len(found.Items))
for i := range found.Items {
if found.Items[i].VariantsNumber <= 0 {
err := s.PopulateProductPrice(&found.Items[i], customer, quantity, shopID)
if err != nil {
return nil, err
}
simpleProductIndexes = append(simpleProductIndexes, i)
}
}
return found, err
}
// 2. resolve prices ONLY for simple products
for _, i := range simpleProductIndexes {
price, err := s.productsRepo.GetPrice(
found.Items[i].ProductID,
nil,
shopID,
customer.ID,
customer.CountryID,
quantity,
)
if err != nil {
return nil, err
}
func (s *ProductService) PopulateProductPrice(product *model.ProductInList, targetCustomer *model.Customer, quantity int, shopID uint) error {
row := db.Get().Raw(
"CALL get_product_price(?, ?, ?, ?, ?)",
product.ProductID,
shopID,
targetCustomer.ID,
targetCustomer.CountryID,
quantity,
).Row()
var (
id uint
base float64
excl float64
incl float64
tax float64
)
err := row.Scan(&id, &base, &excl, &incl, &tax)
if err != nil {
return err
found.Items[i].PriceTaxExcl = price.FinalTaxExcl
found.Items[i].PriceTaxIncl = price.FinalTaxIncl
}
product.PriceTaxExcl = excl
product.PriceTaxIncl = incl
return nil
return found, nil
}
func (s *ProductService) GetProductAttributes(
@@ -91,5 +116,10 @@ func (s *ProductService) GetProductAttributes(
countryID uint,
quantity uint,
) ([]view.ProductAttribute, error) {
return s.productsRepo.GetProductVariants(langID, productID, shopID, customerID, countryID, quantity)
variants, err := s.productsRepo.GetVariants(productID, constdata.SHOP_ID, langID, customerID, countryID, quantity)
if err != nil {
return nil, err
}
return variants, nil
}

View File

@@ -0,0 +1,136 @@
package specificPriceService
import (
"context"
"git.ma-al.com/goc_daniel/b2b/app/model"
"git.ma-al.com/goc_daniel/b2b/app/repos/specificPriceRepo"
"git.ma-al.com/goc_daniel/b2b/app/utils/responseErrors"
)
type SpecificPriceService struct {
specificPriceRepo specificPriceRepo.UISpecificPriceRepo
}
func New() *SpecificPriceService {
return &SpecificPriceService{
specificPriceRepo: specificPriceRepo.New(),
}
}
func (s *SpecificPriceService) Create(ctx context.Context, pr *model.SpecificPrice) (*model.SpecificPrice, error) {
if err := s.validateRequest(pr); err != nil {
return nil, err
}
if pr.Scope == "shop" && len(pr.ProductIDs) == 0 && len(pr.CategoryIDs) == 0 && len(pr.ProductAttributeIDs) == 0 && len(pr.CountryIDs) == 0 && len(pr.CustomerIDs) == 0 {
// pr.Scope = "global"
} else {
// pr.Scope = "scoped"
}
if err := s.specificPriceRepo.Create(ctx, pr); err != nil {
return nil, err
}
return pr, nil
}
func (s *SpecificPriceService) Update(ctx context.Context, id uint64, pr *model.SpecificPrice) (*model.SpecificPrice, error) {
existing, err := s.specificPriceRepo.GetByID(ctx, id)
if err != nil {
return nil, err
}
if existing == nil {
return nil, responseErrors.ErrSpecificPriceNotFound
}
if err := s.validateUpdateRequest(pr); err != nil {
return nil, err
}
pr.ID = id
if pr.Scope == "shop" && len(pr.ProductIDs) == 0 && len(pr.CategoryIDs) == 0 && len(pr.ProductAttributeIDs) == 0 && len(pr.CountryIDs) == 0 && len(pr.CustomerIDs) == 0 {
// pr.Scope = "global"
} else {
// pr.Scope = "scoped"
}
if err := s.specificPriceRepo.Update(ctx, pr); err != nil {
return nil, err
}
return pr, nil
}
func (s *SpecificPriceService) GetByID(ctx context.Context, id uint64) (*model.SpecificPrice, error) {
pr, err := s.specificPriceRepo.GetByID(ctx, id)
if err != nil {
return nil, err
}
if pr == nil {
return nil, responseErrors.ErrSpecificPriceNotFound
}
return pr, nil
}
func (s *SpecificPriceService) List(ctx context.Context) ([]*model.SpecificPrice, error) {
return s.specificPriceRepo.List(ctx)
}
func (s *SpecificPriceService) SetActive(ctx context.Context, id uint64, active bool) error {
pr, err := s.specificPriceRepo.GetByID(ctx, id)
if err != nil {
return err
}
if pr == nil {
return responseErrors.ErrSpecificPriceNotFound
}
return s.specificPriceRepo.SetActive(ctx, id, active)
}
func (s *SpecificPriceService) Delete(ctx context.Context, id uint64) error {
pr, err := s.specificPriceRepo.GetByID(ctx, id)
if err != nil {
return err
}
if pr == nil {
return responseErrors.ErrSpecificPriceNotFound
}
return s.specificPriceRepo.Delete(ctx, id)
}
func (s *SpecificPriceService) validateRequest(pr *model.SpecificPrice) error {
if pr.ReductionType != "amount" && pr.ReductionType != "percentage" {
return responseErrors.ErrInvalidReductionType
}
if pr.ReductionType == "percentage" && pr.PercentageReduction == nil {
return responseErrors.ErrPercentageRequired
}
if pr.ReductionType == "amount" && pr.Price == nil {
return responseErrors.ErrPriceRequired
}
return nil
}
func (s *SpecificPriceService) validateUpdateRequest(pr *model.SpecificPrice) error {
if pr.ReductionType != "" && pr.ReductionType != "amount" && pr.ReductionType != "percentage" {
return responseErrors.ErrInvalidReductionType
}
if pr.ReductionType == "percentage" && pr.PercentageReduction == nil {
return responseErrors.ErrPercentageRequired
}
if pr.ReductionType == "amount" && pr.Price == nil {
return responseErrors.ErrPriceRequired
}
return nil
}