1405/03/09-fix bug in transactions & cart

src/store/cartStore.ts

@@ -2,6 +2,8 @@ import { computed, ref } from 'vue'
 import { defineStore } from 'pinia'
 import type { CartItem } from '@/models/cart'
 import type { Product } from '@/models/products'
+import type { Price } from '@/models/home'
+import { getProducts } from '@/api/products'
 
 const CART_STORAGE_KEY = 'ghatre_cart'
 
@@ -93,6 +95,58 @@ export const useCartStore = defineStore('cart', () => {
     return cartItems.value.length
   })
 
+  function syncProductsFromServer(serverProducts: Product[]): number {
+    const productMap = new Map(serverProducts.map(p => [p.id, p]))
+    const beforeCount = cartItems.value.length
+
+    cartItems.value = cartItems.value
+      .filter(item => productMap.has(item.product.id))
+      .map(item => ({
+        ...item,
+        product: { ...productMap.get(item.product.id)! }
+      }))
+
+    if (cartItems.value.length > 0 || beforeCount > 0) {
+      saveCartToStorage()
+    }
+
+    return beforeCount - cartItems.value.length
+  }
+
+  function recalculateCartPrices(lastPrice: Price) {
+    if (!lastPrice || cartItems.value.length === 0) return
+
+    cartItems.value.forEach((item) => {
+      const product = item.product
+      let newPrice = 0
+
+      if (product.group_type == 'آبشده') {
+        newPrice = lastPrice.price_last ?? 0
+      } else {
+        newPrice = product.amount * (lastPrice.price_last ?? 0)
+      }
+
+      product.price = newPrice
+      product.sellPrice = product.amount * (lastPrice.sell ?? 0)
+      item.price = newPrice + (product.cash_fee_buy ?? 0)
+      item.totalPrice = parseInt(String(item.price * item.quantity))
+    })
+
+    saveCartToStorage()
+  }
+
+  async function refreshCartFromServer(): Promise<number> {
+    if (cartItems.value.length === 0) return 0
+
+    try {
+      const serverProducts: Product[] = await getProducts()
+      return syncProductsFromServer(serverProducts)
+    } catch (e) {
+      console.error('Error refreshing cart from server:', e)
+      return 0
+    }
+  }
+
   return {
     cartItems,
     addToCart,
@@ -102,7 +156,10 @@ export const useCartStore = defineStore('cart', () => {
     totalPrice,
     itemCount,
     loadCartFromStorage,
-    saveCartToStorage
+    saveCartToStorage,
+    syncProductsFromServer,
+    recalculateCartPrices,
+    refreshCartFromServer
   }
 })