feat: product_attribute list with prices

app/service/productService/productService.go

@@ -2,12 +2,15 @@ package productService
 
 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"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/query/filters"
 	"git.ma-al.com/goc_daniel/b2b/app/utils/query/find"
+	"git.ma-al.com/goc_daniel/b2b/app/view"
 )
 
 type ProductService struct {
@@ -29,6 +32,64 @@ func (s *ProductService) GetJSON(p_id_product, p_id_lang, p_id_customer, b2b_id_
 	return products, nil
 }
 
-func (s *ProductService) Find(id_lang uint, p find.Paging, filters *filters.FiltersList) (find.Found[model.ProductInList], error) {
-	return s.productsRepo.Find(id_lang, p, filters)
+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)
+	if err != nil {
+		return nil, err
+	}
+	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
+			}
+		}
+	}
+
+	return found, 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
+	}
+
+	product.PriceTaxExcl = excl
+	product.PriceTaxIncl = incl
+	return nil
+
+}
+
+func (s *ProductService) GetProductAttributes(
+	langID uint,
+	productID uint,
+	shopID uint,
+	customerID uint,
+	countryID uint,
+	quantity uint,
+) ([]view.ProductAttribute, error) {
+	return s.productsRepo.GetProductVariants(langID, productID, shopID, customerID, countryID, quantity)
 }