Carrello Spesa

src/server/router/cart_router.js

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+const express = require('express');
+const router = express.Router();
+
+const tools = require('../tools/general');
+
+var server_constants = require('../tools/server_constants');
+
+var { Project } = require('../models/project');
+
+var { authenticate, auth_default } = require('../middleware/authenticate');
+
+var mongoose = require('mongoose');
+const Subscription = mongoose.model('subscribers');
+
+const _ = require('lodash');
+
+const { ObjectID } = require('mongodb');
+
+const Product = require('../models/product');
+const Order = require('../models/order');
+const Variant = require('../models/variant');
+
+/*const Department = require('../models/Department')
+const Category = require('../models/Category')
+const TypedError = require('../modules/ErrorHandler')
+const paypal_config = require('../configs/paypal-config')
+const paypal = require('paypal-rest-sdk')
+ */
+
+const CartClass = require('../modules/Cart')
+const Cart = require('../models/cart');
+
+//GET cart
+router.get('/:userId', authenticate, function (req, res, next) {
+  let userId = req.body.userId
+  let idapp = req.body.idapp
+  Cart.getCartByUserId(userId, idapp, function (err, cart) {
+    if (err) return next(err)
+
+    if (cart)
+      res.send({ code: server_constants.RIS_CODE_OK, cart });
+    else
+      res.status(400).send(e);
+  })
+})
+
+//POST cart
+router.post('/:userId', authenticate, async function (req, res, next) {
+  let idapp = req.body.idapp;
+  let userId = req.params.userId;
+  let addqty = req.body.addqty;
+  let subqty = req.body.subqty;
+  let order = req.body.order;
+
+  const mycart = await Cart.getCartByUserId(userId, idapp);
+
+  // const myorder = Order.getOrderByID(order._id);
+  if (!addqty && !subqty)
+    order._id = await Order.createOrder(order);
+
+  let cart = null;
+  // no cart save empty cart to database then return response
+  let myqty = 0;
+  if (!mycart) {
+    let oldCart = new CartClass(order)
+    cart = await Cart.createCart(oldCart.generateModel());
+  } else {
+    let newCart = CartClass.constructByCart(mycart);
+    if (addqty) {
+      myqty = await newCart.addqty(order);
+    } else if (subqty) {
+      myqty = await newCart.subqty(order);
+    } else {
+      const ind = newCart.addItem(order);
+    }
+    cart = await Cart.updateCartByCartId(mycart._id, newCart.generateModel());
+  }
+  if (cart) {
+    const carttot = await Cart.getCartByUserId(userId, idapp);
+    return res.send({ code: server_constants.RIS_CODE_OK, cart: carttot, qty: myqty });
+  } else {
+    return res.send({ code: server_constants.RIS_CODE_ERR, cart: null });
+  }
+
+  /*
+      Cart.updateCartByUserId(
+        userId,
+        newCart,
+        function (err, result) {
+          if (err) return next(err)
+          return res.status(200).json({ cart: result })
+        })
+
+   */
+})
+
+router.delete('/:userId', authenticate, async function (req, res) {
+  console.log('DELETE Item');
+  let idapp = req.query.idapp;
+  let userId = req.params.userId;
+  let orderId = req.query.orderId;
+
+  const mycart = await Cart.getCartByUserId(userId, idapp);
+
+  // Rimuovere l'Ordine
+  const recremoved = await Order.findByIdAndRemove(orderId);
+  if (recremoved) {
+    // Rimuovere l'id sul Carrello
+
+    let newCart = CartClass.constructByCart(mycart);
+    newCart.removeItem(orderId);
+    let carttot = null;
+    const cart = await Cart.updateCartByCartId(mycart._id, newCart.generateModel());
+
+    carttot = await Cart.getCartByUserId(userId, idapp);
+
+    console.log('carttot', carttot)
+    return res.send({ code: server_constants.RIS_CODE_OK, cart: carttot });
+  }
+
+  return res.send({ code: server_constants.RIS_CODE_ERR, cart: null });
+});
+
+
+//PUT cart
+router.put('/:userId', authenticate, function (req, res, next) {
+  let userId = req.params.userId
+  let requestProduct = req.body
+  let { productId, color, size } = requestProduct.product
+
+  Cart.getCartByUserId(userId, function (err, c) {
+    if (err) return next(err)
+    let oldCart = new CartClass(c[0] || {})
+    Product.getProductByID(productId, function (err, p) {
+      if (err) return next(err)
+      let newCart = oldCart.add(p, productId, { color, size })
+
+      //exist cart in databse
+      if (c.length > 0) {
+        Cart.updateCartByUserId(
+          userId,
+          {
+            items: newCart.items,
+            totalQty: newCart.totalQty,
+            totalPrice: newCart.totalPrice,
+            userId: userId
+          },
+          function (err, result) {
+            if (err) return next(err)
+            res.json(result)
+          })
+      } else {
+        //no cart in database
+        newCart = new Cart({
+          items: newCart.items,
+          totalQty: newCart.totalQty,
+          totalPrice: newCart.totalPrice,
+          userId: userId
+        })
+        Cart.createCart(newCart, function (err, resultCart) {
+          if (err) return next(err)
+          res.status(201).json(resultCart)
+        })
+      }
+    })
+  })
+})
+
+
+module.exports = router;