Carrello Spesa

src/server/modules/Cart.js

@@ -1,58 +1,100 @@
 const cartModel = require('../models/cart')
 
+const { ObjectID } = require('mongodb');
+
+const Order = require('../models/order');
+
 class Cart {
-  constructor(oldCart) {
-    this.items = oldCart.items || {};
-    this.totalQty = oldCart.totalQty || 0;
-    this.totalPrice = oldCart.totalPrice || 0;
-    this.userId = oldCart.userId || "";
-  }
-
-  add(item, id) {
-    let storedItem = this.items[id];
-    if (!storedItem) {
-      storedItem = this.items[id] = { item: item, qty: 0, price: 0 };
+  constructor(order) {
+    this.items = {};
+    if (!!order) {
+      this.idapp = order.idapp || 0;
+      this.items[order._id] = order;
+      this.userId = order.userId || "";
     }
-    storedItem.qty++;
-    storedItem.price = parseFloat((storedItem.item.price * storedItem.qty).toFixed(2));
-    this.items[id]=storedItem
-    this.totalQty++;
-    this.totalPrice += storedItem.item.price;
-    this.totalPrice = parseFloat(this.totalPrice.toFixed(2))
-    return this
+    this.modify_at = new Date();
+
+    this.updatetotals();
   }
 
-  generateModel(){
+  static constructByCart(cart) {
+    try {
+      const mynewcart = new Cart(null);
+      mynewcart.idapp = cart.idapp || 0;
+      mynewcart.items = cart.items;
+      mynewcart.userId = cart.userId || "";
+      mynewcart.modify_at = new Date();
+
+      return mynewcart;
+    } catch (e) {
+      console.log('Error', e);
+      return null;
+    }
+  }
+
+  async addqty(itemorder) {
+    const myitem = this.items.find((rec) => rec.order._id.toString() === itemorder._id)
+    if (!!myitem) {
+      myitem.order.quantity++;
+      await Order.findOneAndUpdate({ _id: myitem.order._id }, { $set: myitem.order }, { new: false });
+      this.updatetotals();
+      return myitem.order.quantity;
+    }
+  }
+
+  async subqty(itemorder) {
+    const myitem = this.items.find((rec) => rec.order._id.toString() === itemorder._id)
+    if (!!myitem) {
+      myitem.order.quantity--;
+      await Order.findOneAndUpdate({ _id: myitem.order._id }, { $set: myitem.order }, { new: false });
+      this.updatetotals();
+      return myitem.order.quantity;
+    }
+  }
+
+
+  addItem(itemorder) {
+    // this.items.push(itemorder);
+    let ind = this.items.length;
+    this.items[ind] = {};
+    this.items[ind].order = itemorder;
+    this.updatetotals();
+
+    return ind;
+  }
+
+  removeItem(orderId) {
+    // this.items.push(itemorder);
+    this.items = this.items.filter(item => item.order._id.toString() !== orderId.toString());
+    this.updatetotals();
+  }
+
+  generateModel() {
     let newCart = new cartModel({
-      items: this.items,
+      idapp: this.idapp,
+      items: this.generateArray(),
       totalQty: this.totalQty,
       totalPrice: this.totalPrice,
-      userId: this.userId
+      userId: this.userId,
+      modify_at: this.modify_at
     })
     return newCart
   }
 
-  decreaseQty(id) {
-    this.items[id].qty--;
-    this.items[id].price -= this.items[id].item.price;
-    this.items[id].price = parseFloat(this.items[id].price.toFixed(2))
-    this.totalQty--;
-    this.totalPrice -= this.items[id].item.price
-    this.totalPrice = parseFloat(this.totalPrice.toFixed(2))
-    if (this.items[id].qty <= 0) {
-      delete this.items[id];
+  updatetotals() {
+    this.totalQty = 0;
+    this.totalPrice = 0;
+    for (const rec in this.items) {
+      let order = this.items[rec].order;
+      if (!order) {
+        order = this.items[rec];
+      }
+      this.totalQty += order.quantity;
+      this.totalPrice += order.price * order.quantity;
     }
-    return this
-  }
 
-  increaseQty(id) {
-    this.items[id].qty++;
-    this.items[id].price += this.items[id].item.price;
-    this.items[id].price = parseFloat(this.items[id].price.toFixed(2))
-    this.totalQty++;
-    this.totalPrice += this.items[id].item.price
     this.totalPrice = parseFloat(this.totalPrice.toFixed(2))
-    return this
+
   }
 
   generateArray() {