Xor290/projet_gestion_commande
0
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

refacto

Browse Source
This commit is contained in:
Xor290
2026-05-13 16:43:20 +02:00
parent 65d1367f42
commit 0039dda8a0
8 changed files with 61 additions and 700 deletions
Download Patch File Download Diff File Expand all files Collapse all files
backend/gestion/db/db_basket.go
-146
View File
@@ -7,58 +7,6 @@ import (
"gorm.io/gorm"
)
// AddProductInBasket ajoute un produit au panier de l'utilisateur
func (d *Database) AddProductInBasket(username, nameProduct string, quantity float64, category string) (*models.Panier, error) {
var productResult struct {
ID int `gorm:"column:id"`
}
err := d.GDB.Raw(`SELECT id FROM products WHERE LOWER(name) = LOWER(?) AND LOWER(category) = LOWER(?)`,
nameProduct, category).Scan(&productResult).Error
if err != nil {
return nil, fmt.Errorf("erreur lors de la recherche du produit: %w", err)
}
if productResult.ID == 0 {
return nil, fmt.Errorf("produit '%s' non trouvé dans la catégorie '%s'", nameProduct, category)
}
productID := productResult.ID
price, err := d.GetProductPrice(nameProduct, category, quantity)
if err != nil {
return nil, fmt.Errorf("erreur récupération prix: %w", err)
}
var existing struct {
ID int `gorm:"column:id"`
Quantity float64 `gorm:"column:quantity"`
Price float64 `gorm:"column:price"`
}
d.GDB.Raw(`SELECT id, quantity, price FROM baskets WHERE username = ? AND product_id = ?`,
username, productID).Scan(&existing)
var basket models.Panier
if existing.ID != 0 {
newQuantity := existing.Quantity + quantity
newPrice := existing.Price + price
err = d.GDB.Raw(`
UPDATE baskets SET quantity = ?, price = ?, created_at = CURRENT_TIMESTAMP
WHERE id = ? RETURNING id, username, product_id, quantity, price, created_at`,
newQuantity, newPrice, existing.ID).Scan(&basket).Error
if err != nil {
return nil, fmt.Errorf("erreur lors de la mise à jour du panier: %w", err)
}
} else {
err = d.GDB.Raw(`
INSERT INTO baskets (username, product_id, quantity, price, created_at)
VALUES (?, ?, ?, ?, CURRENT_TIMESTAMP)
RETURNING id, username, product_id, quantity, price, created_at`,
username, productID, quantity, price).Scan(&basket).Error
if err != nil {
return nil, fmt.Errorf("erreur lors de l'ajout au panier: %w", err)
}
}
return &basket, nil
}
// GetProductPrice récupère le prix réel d'un produit pour une quantité donnée (legacy)
func (d *Database) GetProductPrice(name, category string, quantity float64) (float64, error) {
var result struct {
@@ -79,32 +27,6 @@ func (d *Database) GetProductPrice(name, category string, quantity float64) (flo
return result.Price, nil
}
func (d *Database) GetProductStock(name, category string) (float64, error) {
var result struct {
Stock float64 `gorm:"column:stock"`
}
err := d.GDB.Raw(`SELECT stock FROM products WHERE LOWER(name) = LOWER(?) AND LOWER(category) = LOWER(?)`,
name, category).Scan(&result).Error
if err != nil {
return 0, fmt.Errorf("produit non trouvé: %w", err)
}
return result.Stock, nil
}
func (d *Database) DecrementProductStock(name, category string, quantity float64) error {
result := d.GDB.Exec(`
UPDATE products SET stock = stock - ?
WHERE LOWER(name) = LOWER(?) AND LOWER(category) = LOWER(?) AND stock >= ?`,
quantity, name, category, quantity)
if result.Error != nil {
return fmt.Errorf("erreur mise à jour stock: %w", result.Error)
}
if result.RowsAffected == 0 {
return fmt.Errorf("stock insuffisant pour le produit")
}
return nil
}
// GetAllProductsInBasket récupère tous les produits du panier d'un utilisateur
func (d *Database) GetAllProductsInBasket(username string) ([]models.Panier, error) {
var baskets []models.Panier
@@ -223,74 +145,6 @@ func (d *Database) ClearBasketOnCheckout(username string) error {
return d.GDB.Exec(`DELETE FROM baskets WHERE username = ?`, username).Error
}
// GetBasketTotal calcule le montant total du panier d'un utilisateur
func (d *Database) GetBasketTotal(username string) (float64, error) {
var result struct {
Total float64 `gorm:"column:total"`
}
err := d.GDB.Raw(`SELECT COALESCE(SUM(price), 0) as total FROM baskets WHERE username = ?`,
username).Scan(&result).Error
if err != nil {
return 0, fmt.Errorf("erreur lors du calcul du total: %w", err)
}
return result.Total, nil
}
// GetBasketItemCount compte le nombre d'items dans le panier
func (d *Database) GetBasketItemCount(username string) (int, error) {
var result struct {
Count int `gorm:"column:count"`
}
err := d.GDB.Raw(`SELECT COUNT(*) as count FROM baskets WHERE username = ?`,
username).Scan(&result).Error
if err != nil {
return 0, fmt.Errorf("erreur lors du comptage des items: %w", err)
}
return result.Count, nil
}
func (d *Database) UpdateBasketItemQuantity(basketID int, newQuantity float64) error {
if newQuantity <= 0 {
return fmt.Errorf("quantité invalide")
}
return d.GDB.Transaction(func(tx *gorm.DB) error {
var item struct {
ProductID int `gorm:"column:product_id"`
Quantity float64 `gorm:"column:quantity"`
}
if err := tx.Raw(`SELECT product_id, quantity FROM baskets WHERE id = ? FOR UPDATE`, basketID).Scan(&item).Error; err != nil {
return fmt.Errorf("produit non trouvé: %w", err)
}
if item.ProductID == 0 {
return fmt.Errorf("panier item introuvable: %d", basketID)
}
diff := newQuantity - item.Quantity
if diff > 0 {
result := tx.Exec(`UPDATE products SET stock = stock - ? WHERE id = ? AND stock >= ?`,
diff, item.ProductID, diff)
if result.Error != nil {
return fmt.Errorf("erreur stock: %w", result.Error)
}
if result.RowsAffected == 0 {
return fmt.Errorf("stock insuffisant")
}
} else if diff < 0 {
if err := tx.Exec(`UPDATE products SET stock = stock + ? WHERE id = ?`,
-diff, item.ProductID).Error; err != nil {
return fmt.Errorf("erreur stock: %w", err)
}
}
if err := tx.Exec(`UPDATE baskets SET quantity = ? WHERE id = ?`,
newQuantity, basketID).Error; err != nil {
return fmt.Errorf("erreur panier: %w", err)
}
return nil
})
}
func (d *Database) GetBasketItemOwner(basketID int) (string, error) {
var username string
err := d.GDB.Raw(`SELECT username FROM baskets WHERE id = ?`, basketID).Scan(&username).Error