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

@@ -2,7 +2,6 @@ package productsRepo
import (
"encoding/json"
"fmt"
"git.ma-al.com/goc_daniel/b2b/app/config"
"git.ma-al.com/goc_daniel/b2b/app/db"
@@ -16,9 +15,12 @@ import (
)
type UIProductsRepo interface {
GetJSON(p_id_product, p_id_shop, p_id_lang, p_id_customer, b2b_id_country, p_quantity int) (*json.RawMessage, error)
// GetJSON(p_id_product, p_id_shop, p_id_lang, p_id_customer, b2b_id_country, p_quantity int) (*json.RawMessage, error)
Find(id_lang uint, p find.Paging, filt *filters.FiltersList) (*find.Found[model.ProductInList], error)
GetProductVariants(langID uint, productID uint, shopID uint, customerID uint, countryID uint, quantity uint) ([]view.ProductAttribute, error)
GetBase(p_id_product, p_id_shop, p_id_lang uint) (view.Product, error)
GetPrice(p_id_product uint, productAttributeID *uint, p_id_shop uint, p_id_customer uint, p_id_country uint, p_quantity uint) (view.Price, error)
GetVariants(p_id_product, p_id_shop, p_id_lang, p_id_customer, p_id_country, p_quantity uint) ([]view.ProductAttribute, error)
}
type ProductsRepo struct{}
@@ -27,25 +29,75 @@ func New() UIProductsRepo {
return &ProductsRepo{}
}
func (repo *ProductsRepo) GetJSON(p_id_product, p_id_shop, p_id_lang, p_id_customer, b2b_id_country, p_quantity int) (*json.RawMessage, error) {
var productStr string // ← Scan as string first
func (repo *ProductsRepo) GetBase(p_id_product, p_id_shop, p_id_lang uint) (view.Product, error) {
var result view.Product
err := db.DB.Raw(`CALL get_full_product(?,?,?,?,?,?)`,
p_id_product, p_id_shop, p_id_lang, p_id_customer, b2b_id_country, p_quantity).
Scan(&productStr).
Error
err := db.DB.Raw(`CALL get_product_base(?,?,?)`,
p_id_product, p_id_shop, p_id_lang).
Scan(&result).Error
return result, err
}
func (repo *ProductsRepo) GetPrice(
p_id_product uint, productAttributeID *uint, p_id_shop uint, p_id_customer uint, p_id_country uint, p_quantity uint,
) (view.Price, error) {
type row struct {
Price json.RawMessage `gorm:"column:price"`
}
var r row
err := db.DB.Raw(`
SELECT fn_product_price(?,?,?,?,?,?) AS price`,
p_id_product, p_id_shop, p_id_customer, p_id_country, p_quantity, productAttributeID).
Scan(&r).Error
if err != nil {
return nil, err
return view.Price{}, err
}
// Optional: validate it's valid JSON
if !json.Valid([]byte(productStr)) {
return nil, fmt.Errorf("invalid json returned from stored procedure")
var temp struct {
Base json.Number `json:"base"`
FinalTaxExcl json.Number `json:"final_tax_excl"`
FinalTaxIncl json.Number `json:"final_tax_incl"`
TaxRate json.Number `json:"tax_rate"`
Priority json.Number `json:"priority"`
}
raw := json.RawMessage(productStr)
return &raw, nil
if err := json.Unmarshal(r.Price, &temp); err != nil {
return view.Price{}, err
}
price := view.Price{
Base: mustParseFloat(temp.Base),
FinalTaxExcl: mustParseFloat(temp.FinalTaxExcl),
FinalTaxIncl: mustParseFloat(temp.FinalTaxIncl),
TaxRate: mustParseFloat(temp.TaxRate),
Priority: mustParseInt(temp.Priority),
}
return price, nil
}
func mustParseFloat(n json.Number) float64 {
f, _ := n.Float64()
return f
}
func mustParseInt(n json.Number) int {
i, _ := n.Int64()
return int(i)
}
func (repo *ProductsRepo) GetVariants(p_id_product, p_id_shop, p_id_lang, p_id_customer, p_id_country, p_quantity uint) ([]view.ProductAttribute, error) {
var results []view.ProductAttribute
err := db.DB.Raw(`
CALL get_product_variants(?,?,?,?,?,?)`,
p_id_product, p_id_shop, p_id_lang, p_id_customer, p_id_country, p_quantity).
Scan(&results).Error
return results, err
}
func (repo *ProductsRepo) Find(langID uint, p find.Paging, filt *filters.FiltersList) (*find.Found[model.ProductInList], error) {

View File

@@ -0,0 +1,247 @@
package specificPriceRepo
import (
"context"
"errors"
"time"
"git.ma-al.com/goc_daniel/b2b/app/db"
"git.ma-al.com/goc_daniel/b2b/app/model"
"gorm.io/gorm"
)
type UISpecificPriceRepo interface {
Create(ctx context.Context, pr *model.SpecificPrice) error
Update(ctx context.Context, pr *model.SpecificPrice) error
Delete(ctx context.Context, id uint64) error
GetByID(ctx context.Context, id uint64) (*model.SpecificPrice, error)
List(ctx context.Context) ([]*model.SpecificPrice, error)
SetActive(ctx context.Context, id uint64, active bool) error
}
type SpecificPriceRepo struct{}
func New() UISpecificPriceRepo {
return &SpecificPriceRepo{}
}
func (repo *SpecificPriceRepo) Create(ctx context.Context, pr *model.SpecificPrice) error {
return db.DB.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
now := time.Now()
pr.CreatedAt = &now
if err := tx.Create(pr).Error; err != nil {
return err
}
return repo.insertRelations(tx, pr)
})
}
func (repo *SpecificPriceRepo) Update(ctx context.Context, pr *model.SpecificPrice) error {
return db.DB.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
now := time.Now()
pr.UpdatedAt = &now
if err := tx.Save(pr).Error; err != nil {
return err
}
if err := repo.clearRelations(tx, pr.ID); err != nil {
return err
}
return repo.insertRelations(tx, pr)
})
}
func (repo *SpecificPriceRepo) GetByID(ctx context.Context, id uint64) (*model.SpecificPrice, error) {
var pr model.SpecificPrice
err := db.DB.WithContext(ctx).Where("id = ?", id).First(&pr).Error
if err != nil {
if errors.Is(err, gorm.ErrRecordNotFound) {
return nil, nil
}
return nil, err
}
if err := repo.loadRelations(ctx, &pr); err != nil {
return nil, err
}
return &pr, nil
}
func (repo *SpecificPriceRepo) List(ctx context.Context) ([]*model.SpecificPrice, error) {
var specificPrices []*model.SpecificPrice
err := db.DB.WithContext(ctx).Find(&specificPrices).Error
if err != nil {
return nil, err
}
for i := range specificPrices {
if err := repo.loadRelations(ctx, specificPrices[i]); err != nil {
return nil, err
}
}
return specificPrices, nil
}
func (repo *SpecificPriceRepo) SetActive(ctx context.Context, id uint64, active bool) error {
return db.DB.WithContext(ctx).Model(&model.SpecificPrice{}).Where("id = ?", id).Update("is_active", active).Error
}
func (repo *SpecificPriceRepo) Delete(ctx context.Context, id uint64) error {
return db.DB.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
if err := tx.Exec("DELETE FROM b2b_specific_price_product WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_category WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_product_attribute WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_country WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_customer WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Delete(&model.SpecificPrice{}, "id = ?", id).Error; err != nil {
return err
}
return nil
})
}
func (repo *SpecificPriceRepo) insertRelations(tx *gorm.DB, pr *model.SpecificPrice) error {
if len(pr.ProductIDs) > 0 {
for _, productID := range pr.ProductIDs {
if err := tx.Exec(`
INSERT INTO b2b_specific_price_product (b2b_specific_price_id, id_product) VALUES (?, ?)
`, pr.ID, productID).Error; err != nil {
return err
}
}
}
if len(pr.CategoryIDs) > 0 {
for _, categoryID := range pr.CategoryIDs {
if err := tx.Exec(`
INSERT INTO b2b_specific_price_category (b2b_specific_price_id, id_category) VALUES (?, ?)
`, pr.ID, categoryID).Error; err != nil {
return err
}
}
}
if len(pr.ProductAttributeIDs) > 0 {
for _, attrID := range pr.ProductAttributeIDs {
if err := tx.Exec(`
INSERT INTO b2b_specific_price_product_attribute (b2b_specific_price_id, id_product_attribute) VALUES (?, ?)
`, pr.ID, attrID).Error; err != nil {
return err
}
}
}
if len(pr.CountryIDs) > 0 {
for _, countryID := range pr.CountryIDs {
if err := tx.Exec(`
INSERT INTO b2b_specific_price_country (b2b_specific_price_id, b2b_id_country) VALUES (?, ?)
`, pr.ID, countryID).Error; err != nil {
return err
}
}
}
if len(pr.CustomerIDs) > 0 {
for _, customerID := range pr.CustomerIDs {
if err := tx.Exec(`
INSERT INTO b2b_specific_price_customer (b2b_specific_price_id, b2b_id_customer) VALUES (?, ?)
`, pr.ID, customerID).Error; err != nil {
return err
}
}
}
return nil
}
func (repo *SpecificPriceRepo) clearRelations(tx *gorm.DB, id uint64) error {
if err := tx.Exec("DELETE FROM b2b_specific_price_product WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_category WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_product_attribute WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_country WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
if err := tx.Exec("DELETE FROM b2b_specific_price_customer WHERE b2b_specific_price_id = ?", id).Error; err != nil {
return err
}
return nil
}
func (repo *SpecificPriceRepo) loadRelations(ctx context.Context, pr *model.SpecificPrice) error {
var err error
var productIDs []struct {
IDProduct uint64 `gorm:"column:id_product"`
}
if err = db.DB.WithContext(ctx).Table("b2b_specific_price_product").Where("b2b_specific_price_id = ?", pr.ID).Select("id_product").Scan(&productIDs).Error; err != nil {
return err
}
for _, p := range productIDs {
pr.ProductIDs = append(pr.ProductIDs, p.IDProduct)
}
var categoryIDs []struct {
IDCategory uint64 `gorm:"column:id_category"`
}
if err = db.DB.WithContext(ctx).Table("b2b_specific_price_category").Where("b2b_specific_price_id = ?", pr.ID).Select("id_category").Scan(&categoryIDs).Error; err != nil {
return err
}
for _, c := range categoryIDs {
pr.CategoryIDs = append(pr.CategoryIDs, c.IDCategory)
}
var attrIDs []struct {
IDAttr uint64 `gorm:"column:id_product_attribute"`
}
if err = db.DB.WithContext(ctx).Table("b2b_specific_price_product_attribute").Where("b2b_specific_price_id = ?", pr.ID).Select("id_product_attribute").Scan(&attrIDs).Error; err != nil {
return err
}
for _, a := range attrIDs {
pr.ProductAttributeIDs = append(pr.ProductAttributeIDs, a.IDAttr)
}
var countryIDs []struct {
IDCountry uint64 `gorm:"column:b2b_id_country"`
}
if err = db.DB.WithContext(ctx).Table("b2b_specific_price_country").Where("b2b_specific_price_id = ?", pr.ID).Select("b2b_id_country").Scan(&countryIDs).Error; err != nil {
return err
}
for _, c := range countryIDs {
pr.CountryIDs = append(pr.CountryIDs, c.IDCountry)
}
var customerIDs []struct {
IDCustomer uint64 `gorm:"column:b2b_id_customer"`
}
if err = db.DB.WithContext(ctx).Table("b2b_specific_price_customer").Where("b2b_specific_price_id = ?", pr.ID).Select("b2b_id_customer").Scan(&customerIDs).Error; err != nil {
return err
}
for _, c := range customerIDs {
pr.CustomerIDs = append(pr.CustomerIDs, c.IDCustomer)
}
return nil
}