Stock management changes

public/javascripts/expressCart.js

@@ -142,9 +142,7 @@ $(document).ready(function (){
         cartUpdate(qtyElement);
     });
 
-
+    $(document).on('change', '.cart-product-quantity', function (e){
-    $(document).on('change', '.cart-product-quantity', function (e) {
-
         cartUpdate(e.target);
     });
 
@@ -735,7 +733,7 @@ function updateCart(){
         $('#cart-count').text(msg.totalCartItems);
     })
     .fail(function(msg){
-        showNotification(msg.responseJSON.message, 'danger');
+        showNotification(msg.responseJSON.message, 'danger', true);
     });
 }
 

routes/index.js

@@ -168,8 +168,10 @@ router.get('/product/:id', (req, res) => {
 // Updates a single product quantity
 router.post('/product/updatecart', (req, res, next) => {
     const db = req.app.db;
+    const config = req.app.config;
     let cartItems = JSON.parse(req.body.items);
     let hasError = false;
+    let stockError = false;
 
     async.eachSeries(cartItems, (cartItem, callback) => {
         let productQuantity = cartItem.itemQuantity ? cartItem.itemQuantity : 1;
@@ -183,6 +185,16 @@ router.post('/product/updatecart', (req, res, next) => {
                     console.error(colors.red('Error updating cart', err));
                 }
                 if(product){
+                    // If stock management on check there is sufficient stock for this product
+                    if(config.trackStock){
+                        if(productQuantity > product.productStock){
+                            hasError = true;
+                            stockError = true;
+                            callback(null);
+                            return;
+                        }
+                    }
+
                     let productPrice = parseFloat(product.productPrice).toFixed(2);
                     if(req.session.cart[cartItem.cartIndex]){
                         req.session.cart[cartItem.cartIndex].quantity = productQuantity;
@@ -203,7 +215,11 @@ router.post('/product/updatecart', (req, res, next) => {
         if(hasError === false){
             res.status(200).json({message: 'Cart successfully updated', totalCartItems: Object.keys(req.session.cart).length});
         }else{
-            res.status(400).json({message: 'There was an error updating the cart', totalCartItems: Object.keys(req.session.cart).length});
+            if(stockError){
+                res.status(400).json({message: 'There is insufficient stock of this product.', totalCartItems: Object.keys(req.session.cart).length});
+            }else{
+                res.status(400).json({message: 'There was an error updating the cart', totalCartItems: Object.keys(req.session.cart).length});
+            }
         }
     });
 });

routes/product.js

@@ -86,7 +86,8 @@ router.post('/admin/product/insert', common.restrict, common.checkAccess, (req,
         productTags: req.body.frmProductTags,
         productOptions: common.cleanHtml(req.body.productOptJson),
         productComment: common.checkboxBool(req.body.frmProductComment),
-        productAddedDate: new Date()
+        productAddedDate: new Date(),
+        productStock: req.body.frmProductStock ? parseInt(req.body.frmProductStock) : null
     };
 
     db.products.count({'productPermalink': req.body.frmProductPermalink}, (err, product) => {
@@ -106,6 +107,7 @@ router.post('/admin/product/insert', common.restrict, common.checkAccess, (req,
             req.session.productPermalink = req.body.productOptJson;
             req.session.productComment = common.checkboxBool(req.body.frmProductComment);
             req.session.productTags = req.body.frmProductTags;
+            req.session.productStock = req.body.frmProductStock ? parseInt(req.body.frmProductStock) : null;
 
             // redirect to insert
             res.redirect('/admin/insert');
@@ -122,6 +124,7 @@ router.post('/admin/product/insert', common.restrict, common.checkAccess, (req,
                     req.session.productPermalink = req.body.productOptJson;
                     req.session.productComment = common.checkboxBool(req.body.frmProductComment);
                     req.session.productTags = req.body.frmProductTags;
+                    req.session.productStock = req.body.frmProductStock ? parseInt(req.body.frmProductStock) : null;
 
                     req.session.message = 'Error: Inserting product';
                     req.session.messageType = 'danger';

views/product_edit.hbs

@@ -33,12 +33,14 @@
                     </select>
                 </div>
             </div>
+            {{#if config.trackStock}}
             <div class="form-group">
                 <label for="frmProductStock" class="col-sm-2 control-label">Stock level</label>
                 <div class="col-sm-6">
                     <input type="number" name="frmProductStock" class="form-control" value="{{result.productStock}}" step="any" />
                 </div>
             </div>
+            {{/if}}
             <div class="form-group">
                 <label for="editor" class="col-sm-2 control-label">Product description *</label>
                 <div class="col-sm-10">

views/product_new.hbs

@@ -32,6 +32,14 @@
                     </select>
                 </div>
             </div>
+            {{#if config.trackStock}}
+            <div class="form-group">
+                <label for="frmProductStock" class="col-sm-2 control-label">Stock level</label>
+                <div class="col-sm-6">
+                    <input type="number" name="frmProductStock" class="form-control" value="{{productStock}}" step="any" />
+                </div>
+            </div>
+            {{/if}}
             <div class="form-group" id="editor-wrapper">
                 <label for="editor" class="col-sm-2 control-label">Product description *</label>
                 <div class="col-sm-10">