Altered cart to prevent from exceeding the maximum quantity to solve s…

…napjay#35

dist/ngCart.js

@@ -38,15 +38,15 @@ angular.module('ngCart', ['ngCart.directives'])
  };
  };
 
- this.addItem = function (id, name, price, quantity, data) {
+ this.addItem = function (id, name, price, quantity, quantityMax, data) {
 
  var inCart = this.getItemById(id);
 
  if (typeof inCart === 'object'){
  //Update quantity of an item if it's already in the cart
- inCart.setQuantity(quantity, false);
+ inCart.setQuantity(quantity, false, quantityMax);
  } else {
- var newItem = new ngCartItem(id, name, price, quantity, data);
+ var newItem = new ngCartItem(id, name, price, quantity, quantityMax, data);
  this.$cart.items.push(newItem);
  $rootScope.$broadcast('ngCart:itemAdded', newItem);
  }
@@ -186,7 +186,7 @@ angular.module('ngCart', ['ngCart.directives'])
  _self.$cart.tax = storedCart.tax;
 
  angular.forEach(storedCart.items, function (item) {
- _self.$cart.items.push(new ngCartItem(item._id, item._name, item._price, item._quantity, item._data));
+ _self.$cart.items.push(new ngCartItem(item._id, item._name, item._price, item._quantity, item._maxQuantity, item._data));
  });
  this.$save();
  };
@@ -199,11 +199,12 @@ angular.module('ngCart', ['ngCart.directives'])
 
  .factory('ngCartItem', ['$rootScope', '$log', function ($rootScope, $log) {
 
- var item = function (id, name, price, quantity, data) {
+ var item = function (id, name, price, quantity, maxQuantity, data) {
  this.setId(id);
  this.setName(name);
  this.setPrice(price);
  this.setQuantity(quantity);
+ this.setMaxQuantity(maxQuantity);
  this.setData(data);
  };
 
@@ -247,13 +248,15 @@ angular.module('ngCart', ['ngCart.directives'])
  };
 
 
- item.prototype.setQuantity = function(quantity, relative){
+ item.prototype.setQuantity = function(quantity, relative, quantityMax){
 
 
  var quantityInt = parseInt(quantity);
  if (quantityInt % 1 === 0){
  if (relative === true){
- this._quantity += quantityInt;
+ if (quantityMax >= (this._quantity + quantityInt)) {
+ this._quantity += quantityInt;
+ }
  } else {
  this._quantity = quantityInt;
  }
@@ -271,6 +274,16 @@ angular.module('ngCart', ['ngCart.directives'])
  return this._quantity;
  };
 
+ item.prototype.setMaxQuantity = function (maxQuantity) {
+ if (maxQuantity) this._maxQuantity = maxQuantity;
+ else {
+ $log.error('A max quantity must be provided');
+ }
+ };
+
+ item.prototype.getMaxQuantity = function () {
+ return this._maxQuantity;
+ };
  item.prototype.setData = function(data){
  if (data) this._data = data;
  };
@@ -291,6 +304,7 @@ angular.module('ngCart', ['ngCart.directives'])
  name: this.getName(),
  price: this.getPrice(),
  quantity: this.getQuantity(),
+ maxQuantity: this.getMaxQuantity(),
  data: this.getData(),
  total: this.getTotal()
  }