Adding in a maxQuantity value when adding to cart

bin/testdata.json

@@ -121,7 +121,7 @@
                     ]
                 }
             },
-            "productStock": 10
+            "productStock": 100
         },
         {
             "productPermalink": "hudderton-backpack",

config/baseSchema.json

@@ -110,6 +110,9 @@
             "type": "boolean",
             "default": true
         },
+        "maxQuantity": {
+            "type": "number"
+        },
         "modules": {
             "type": "object",
             "properties": {

config/settings.json

@@ -25,6 +25,7 @@
     "orderHook": "",
     "availableLanguages": ["en", "it"],
     "defaultLocale": "en",
+    "maxQuantity": 25,
     "modules": {
         "enabled": {
             "shipping": "shipping-basic"

routes/index.js

@@ -365,6 +365,13 @@ router.post('/product/addtocart', async (req, res, next) => {
     let productQuantity = req.body.productQuantity ? parseInt(req.body.productQuantity) : 1;
     const productComment = req.body.productComment ? req.body.productComment : null;
 
+    // If maxQuantity set, ensure the quantity doesn't exceed that value
+    if(config.maxQuantity && productQuantity > config.maxQuantity){
+        return res.status(400).json({
+            message: 'The quantity exceeds the max amount. Please contact us for larger orders.'
+        });
+    }
+
     // Don't allow negative quantity
     if(productQuantity < 1){
         productQuantity = 1;

test/specs/products.js

@@ -40,13 +40,25 @@ test('[Fail] Add product to cart when subscription already added', async t => {
         .post('/product/addtocart')
         .send({
             productId: g.products[1]._id,
-            productQuantity: 100,
+            productQuantity: 1,
             productOptions: JSON.stringify(g.products[1].productOptions)
         })
         .expect(400);
     t.deepEqual(res.body.message, 'Subscription already existing in cart. You cannot add more.');
 });
 
+test('[Fail] Add quantity which exceeds the maxQuantity', async t => {
+    const res = await g.request
+        .post('/product/addtocart')
+        .send({
+            productId: g.products[4]._id,
+            productQuantity: 75,
+            productOptions: {}
+        })
+        .expect(400);
+    t.deepEqual(res.body.message, 'The quantity exceeds the max amount. Please contact us for larger orders.');
+});
+
 test('[Success] Empty cart', async t => {
     const res = await g.request
         .post('/product/emptycart')
@@ -113,7 +125,7 @@ test('[Fail] Add product to cart with not enough stock', async t => {
         .post('/product/addtocart')
         .send({
             productId: g.products[0]._id,
-            productQuantity: 100,
+            productQuantity: 20,
             productOptions: JSON.stringify(g.products[0].productOptions)
         })
         .expect(400);