Creazione tabella Product

src/server/router/users_router.js

@@ -27,6 +27,12 @@ const reg = require('../reg/registration');
 
 const { authenticate } = require('../middleware/authenticate');
 
+const Cart = require('../models/cart');
+const CartClass = require('../modules/Cart')
+const Product = require('../models/product')
+const Variant = require('../models/variant')
+const TypedError = require('../modules/ErrorHandler')
+
 const mongoose = require('mongoose');
 const Subscription = mongoose.model('subscribers');
 
@@ -793,5 +799,140 @@ router.post('/dbop', authenticate, async (req, res) => {
 
 });
 
+//GET cart
+router.get('/:userId/cart', authenticate, function (req, res, next) {
+  let userId = req.params.userId
+  Cart.getCartByUserId(userId, function (err, cart) {
+    if (err) return next(err)
+    if (cart.length < 1) {
+      let err = new TypedError('cart error', 404, 'not_found', { message: "create a cart first" })
+      return next(err)
+    }
+    return res.json({ cart: cart[0] })
+  })
+})
+
+//POST cart
+router.post('/:userId/cart', authenticate, function (req, res, next) {
+  let userId = req.params.userId
+  let { productId, increase, decrease } = req.body
+
+  Cart.getCartByUserId(userId, function (err, c) {
+    if (err) return next(err)
+    let oldCart = new CartClass(c[0] || { userId })
+    // no cart save empty cart to database then return response
+    if (c.length < 1 && !productId) {
+      return Cart.createCart(oldCart.generateModel(), function (err, resultCart) {
+        if (err) return next(err)
+        return res.status(201).json({ cart: resultCart })
+      })
+    }
+    Product.findById(productId, function (e, product) {
+      if (e) {
+        e.status = 406;
+        return next(e);
+      }
+      if (product) {
+        if (decrease) {
+          oldCart.decreaseQty(product.id);
+        } else if (increase) {
+          oldCart.increaseQty(product.id);
+        } else {
+          oldCart.add(product, product.id);
+        }
+        let newCart = oldCart.generateModel()
+        Cart.updateCartByUserId(
+          userId,
+          newCart,
+          function (err, result) {
+            if (err) return next(err)
+            return res.status(200).json({ cart: result })
+          })
+      } else {
+        // apply variant
+        Variant.getVariantByID(productId, function (e, variant) {
+          if (e) {
+            e.status = 406;
+            return next(e);
+          }
+          if (variant) {
+            Product.getProductByID(variant.productID, function (e, p) {
+              let color = (variant.color) ? "- " + variant.color : "";
+              let size = (variant.size) ? "- " + variant.size : "";
+              variant.title = p.title + " " + color + size
+              variant.price = p.price
+              if (decrease) {
+                oldCart.decreaseQty(variant.id);
+              } else if (increase) {
+                oldCart.increaseQty(variant.id);
+              } else {
+                oldCart.add(variant, variant.id);
+              }
+              let newCart = oldCart.generateModel()
+              Cart.updateCartByUserId(
+                userId,
+                newCart,
+                function (err, result) {
+                  if (err) return next(err)
+                  res.status(200).json({ cart: result })
+                })
+            })
+          }
+          // no product and no variant find
+          else {
+            let err = new TypedError('/cart', 400, 'invalid_field', {
+              message: "invalid request body"
+            })
+            return next(err)
+          }
+        })
+      }
+    })
+  })
+})
+
+//PUT cart
+router.put('/:userId/cart', 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;