From 160a2e3bd4fc29eabdad0b0a82cda8aada5b9aee Mon Sep 17 00:00:00 2001
From: Rob Gloudemans <Rob_Gloudemans@hotmail.com>
Date: Mon, 30 Dec 2013 22:02:59 +0100
Subject: [PATCH] Removed addBatch method, the add method should be used. Also
 added events to the cart

---
 README.md                                     | 12 +++++
 src/Gloudemans/Shoppingcart/Cart.php          | 45 +++++++++++++------
 .../ShoppingcartServiceProvider.php           |  4 +-
 3 files changed, 46 insertions(+), 15 deletions(-)

diff --git a/README.md b/README.md
index 5c9e2e3..b6ee4d9 100644
--- a/README.md
+++ b/README.md
@@ -32,6 +32,7 @@ Look at one of the following topics to learn more about LaravelShoppingcart
 * [Collections](#collections)
 * [Instances](#instances)
 * [Exceptions](#exceptions)
+* [Events](#events)
 * [Example](#example)
 
 ## Usage
@@ -241,6 +242,17 @@ The Cart package will throw exceptions if something goes wrong. This way it's ea
 | *ShoppingcartInvalidQtyException*     | When a not numeric quantity is passed                                    |
 | *ShoppingcartInvalidRowIDException*   | When the rowId that got passed doesn't exists in the current cart        |
 
+## Events
+
+The cart also has events build in. There are five events available for you to listen for.
+
+| Event                | Fired                                   |
+|----------------------------------------------------------------|
+| cart.add($item)      | When a single item is added             |
+| cart.batch($items)   | When a batch if items is added          |
+| cart.update($rowId)  | When an item in the cart is updated     |
+| cart.remove($rowId)  | When an item is removed from the cart   |
+| cart.destroy()       | When the cart is destroyed              |
 
 ## Example
 
diff --git a/src/Gloudemans/Shoppingcart/Cart.php b/src/Gloudemans/Shoppingcart/Cart.php
index ae798bc..53da40c 100644
--- a/src/Gloudemans/Shoppingcart/Cart.php
+++ b/src/Gloudemans/Shoppingcart/Cart.php
@@ -11,6 +11,13 @@ class Cart {
 	 */
 	protected $session;
 
+	/**
+	 * Event class instance
+	 *
+	 * @var Event
+	 */
+	protected $event;
+
 	/**
 	 * Current cart instance
 	 *
@@ -22,10 +29,12 @@ class Cart {
 	 * Constructor
 	 *
 	 * @param Session $session Session class instance
+	 * @param Event   $event   Event class instance
 	 */
-	public function __construct($session)
+	public function __construct($session, $event)
 	{
 		$this->session = $session;
+		$this->event = $event;
 
 		$this->instance = 'main';
 	}
@@ -64,6 +73,9 @@ class Cart {
 			// recursively call the add function
 			if($this->is_multi($id))
 			{
+				// Fire the cart.batch event
+				$this->event->fire('cart.batch', $id);
+
 				foreach($id as $item)
 				{
 					$options = isset($item['options']) ? $item['options'] : array();
@@ -74,22 +86,17 @@ class Cart {
 			}
 
 			$options = isset($id['options']) ? $id['options'] : array();
+
+			// Fire the cart.add event
+			$this->event->fire('cart.add', array_merge($id, array('options' => $options)));
+
 			return $this->addRow($id['id'], $id['name'], $id['qty'], $id['price'], $options);
 		}
 
-		return $this->addRow($id, $name, $qty, $price, $options);
-	}
+		// Fire the cart.add event
+		$this->event->fire('cart.add', compact('id', 'name', 'qty', 'price', 'options'));
 
-	/**
-	 * Add multiple rows to the cart
-	 * Maps to add() function
-	 * Will probably be removed in future versions
-	 *
-	 * @param Array $items An array of items to add, use array keys corresponding to the 'add' method's parameters
-	 */
-	public function addBatch(Array $items)
-	{
-		return $this->add($items);
+		return $this->addRow($id, $name, $qty, $price, $options);
 	}
 
 	/**
@@ -105,9 +112,15 @@ class Cart {
 
 		if(is_array($attribute))
 		{
+			// Fire the cart.update event
+			$this->event->fire('cart.update', $rowId);
+
 			return $this->updateAttribute($rowId, $attribute);
 		}
 
+		// Fire the cart.update event
+		$this->event->fire('cart.update', $rowId);
+
 		return $this->updateQty($rowId, $attribute);
 	}
 
@@ -123,6 +136,9 @@ class Cart {
 
 		$cart = $this->getContent();
 
+		// Fire the cart.remove event
+		$this->event->fire('cart.remove', $rowId);
+
 		$cart->forget($rowId);
 
 		return $this->updateCart($cart);
@@ -160,6 +176,9 @@ class Cart {
 	 */
 	public function destroy()
 	{
+		// Fire the cart.destroy event
+		$this->event->fire('cart.destroy');
+
 		return $this->updateCart(NULL);
 	}
 
diff --git a/src/Gloudemans/Shoppingcart/ShoppingcartServiceProvider.php b/src/Gloudemans/Shoppingcart/ShoppingcartServiceProvider.php
index 6077f1e..0d5654f 100644
--- a/src/Gloudemans/Shoppingcart/ShoppingcartServiceProvider.php
+++ b/src/Gloudemans/Shoppingcart/ShoppingcartServiceProvider.php
@@ -11,11 +11,11 @@ class ShoppingcartServiceProvider extends ServiceProvider {
 	 */
 	public function register()
 	{
-
 		$this->app['cart'] = $this->app->share(function($app)
 		{
 			$session = $app['session'];
-			return new Cart($session);
+			$event = $app['events'];
+			return new Cart($session, $event);
 		});
 	}
 }
\ No newline at end of file