Able to associated model when adding using array format

Author: alhaji-aki

README.md

@@ -702,6 +702,39 @@ Here is an example:
 // add the item to the cart.
 $cartItem = Cart::add(455, 'Sample Item', 100.99, 2, array())->associate('Product');
 
+// array format
+Cart::add(array(
+    'id' => 456,
+    'name' => 'Sample Item',
+    'price' => 67.99,
+    'quantity' => 4,
+    'attributes' => array(),
+    'associatedModel' => 'Product'
+));
+
+// add multiple items at one time
+Cart::add(array(
+  array(
+      'id' => 456,
+      'name' => 'Sample Item 1',
+      'price' => 67.99,
+      'quantity' => 4,
+      'attributes' => array(),
+      'associatedModel' => 'Product'
+  ),
+  array(
+      'id' => 568,
+      'name' => 'Sample Item 2',
+      'price' => 69.25,
+      'quantity' => 4,
+      'attributes' => array(
+        'size' => 'L',
+        'color' => 'blue'
+      ),
+      'associatedModel' => 'Product'
+  ),
+));
+
 // Now, when iterating over the content of the cart, you can access the model.
 foreach(Cart::getContent() as $row) {
 	echo 'You have ' . $row->qty . ' items of ' . $row->model->name . ' with description: "' . $row->model->description . '" in your cart.';

src/Darryldecode/Cart/Cart.php

@@ -150,10 +150,11 @@ public function has($itemId)
      * @param int $quantity
      * @param array $attributes
      * @param CartCondition|array $conditions
+     * @param string $associatedModel
      * @return $this
      * @throws InvalidItemException
      */
-    public function add($id, $name = null, $price = null, $quantity = null, $attributes = array(), $conditions = array())
+    public function add($id, $name = null, $price = null, $quantity = null, $attributes = array(), $conditions = array(), $associatedModel = null)
     {
         // if the first argument is an array,
         // we will need to call add again
@@ -168,7 +169,8 @@ public function add($id, $name = null, $price = null, $quantity = null, $attribu
                         $item['price'],
                         $item['quantity'],
                         Helpers::issetAndHasValueOrAssignDefault($item['attributes'], array()),
-                        Helpers::issetAndHasValueOrAssignDefault($item['conditions'], array())
+                        Helpers::issetAndHasValueOrAssignDefault($item['conditions'], array()),
+                        Helpers::issetAndHasValueOrAssignDefault($item['associatedModel'], null)
                     );
                 }
             } else {
@@ -178,7 +180,8 @@ public function add($id, $name = null, $price = null, $quantity = null, $attribu
                     $id['price'],
                     $id['quantity'],
                     Helpers::issetAndHasValueOrAssignDefault($id['attributes'], array()),
-                    Helpers::issetAndHasValueOrAssignDefault($id['conditions'], array())
+                    Helpers::issetAndHasValueOrAssignDefault($id['conditions'], array()),
+                    Helpers::issetAndHasValueOrAssignDefault($item['associatedModel'], null)
                 );
             }
 
@@ -193,6 +196,7 @@ public function add($id, $name = null, $price = null, $quantity = null, $attribu
             'quantity' => $quantity,
             'attributes' => new ItemAttributeCollection($attributes),
             'conditions' => $conditions,
+            'associatedModel' => $associatedModel,
         ));
 
         // get the cart