Initial commit

src/Gloudemans/Shoppingcart/Cart.php

@@ -0,0 +1,251 @@
+<?php namespace Gloudemans\Shoppingcart;
+
+use Illuminate\Support\Collection;
+use Money\Money;
+
+class Cart {
+
+    /**
+     * Session class instance
+     * 
+     * @var Session
+     */
+    protected $session;
+
+    /**
+     * Constructor
+     * 
+     * @param Session $session Session class instance
+     */
+    public function __construct($session)
+    {
+        $this->session = $session;
+    }
+
+    /**
+     * Add a row to the cart
+     * 
+     * @param string $id      Unique ID of the item
+     * @param string $name    Name of the item
+     * @param int    $qty     Item qty to add to the cart
+     * @param float  $price   Price of one item
+     * @param Array  $options Array of additional options, such as 'size' or 'color'
+     */
+    public function add($id, $name, $qty, $price, $options = array())
+    {
+        $cart = $this->getContent();
+
+        $rowId = $this->generateRowId($id, $options);
+
+        if($cart->has($rowId))
+        {
+            $row = $cart->get($rowId);
+            $cart = $this->updateRow($rowId, $row->qty + $qty); 
+        }
+        else
+        {
+            $cart = $this->createRow($rowId, $id, $name, $qty, $price, $options);
+        }
+
+        return $this->updateCart($cart);
+    }
+
+    /**
+     * Update the quantity of one row of the cart
+     * @param  string  $rowId The rowid of the item you want to update
+     * @param  integer $qty   New quantity of the item
+     * @return boolean
+     */
+    public function update($rowId, $qty)
+    {
+        if($qty == 0)
+        {
+            return $this->remove($rowId);
+        }
+
+        return $this->updateRow($rowId, $qty);
+    }
+
+    /**
+     * Remove a row from the cart
+     * 
+     * @param  string  $rowId The rowid of the item
+     * @return boolean   
+     */
+    public function remove($rowId)
+    {
+        $cart = $this->getContent();
+
+        $cart->forget($rowId);
+
+        return $this->updateCart($cart);
+    }
+
+    /**
+     * Get a row of the cart by its ID
+     * 
+     * @param  string $rowId The ID of the row to fetch
+     * @return Array
+     */
+    public function get($rowId)
+    {
+        $cart = $this->getContent();
+
+        return ($cart->has($rowId)) ? $cart->get($rowId) : NULL;
+    }
+
+    /**
+     * Get the cart content
+     * 
+     * @return Array
+     */
+    public function content()
+    {
+        $cart = $this->getContent();
+
+        return (empty($cart)) ? NULL : $cart;
+    }
+    
+    /**
+     * Empty the cart
+     *     
+     * @return boolean
+     */
+    public function destroy()
+    {
+        return $this->updateCart(NULL);
+    }
+
+    /**
+     * Get the price total
+     * 
+     * @return float
+     */
+    public function total()
+    {
+        $total = 0;
+        $cart = $this->getContent();
+
+        if(empty($cart))
+        {
+            return $total;
+        }
+
+        foreach($cart AS $row)
+        {
+            $total += $row->subtotal;
+        }
+
+        return $total;
+    }
+
+    /**
+     * Get the number of items in the cart
+     * 
+     * @return int
+     */
+    public function count($totalItems = TRUE)
+    {
+        $cart = $this->getContent();
+
+        if( ! $totalItems)
+        {
+            return $cart->count();
+        }
+
+        $count = 0;
+
+        foreach($cart AS $row)
+        {
+            $count += $row->qty;
+        }
+
+        return $count;
+    }
+
+    /**
+     * Generate a unique id for the new row
+     * 
+     * @param  string  $id      Unique ID of the item
+     * @param  Array   $options Array of additional options, such as 'size' or 'color'
+     * @return boolean
+     */
+    protected function generateRowId($id, $options)
+    {
+        return md5($id . serialize($options));
+    }
+
+    /**
+     * Update the cart
+     * @param  Array   $cart The new cart content
+     * @return void
+     */
+    protected function updateCart($cart)
+    {
+        return $this->session->put('cart', $cart);
+    }
+
+    /**
+     * Get the carts content, if there is no cart content set yet, return a new empty Collection
+     * 
+     * @return Illuminate\Support\Collection
+     */
+    protected function getContent()
+    {
+        $content = ($this->session->has('cart')) ? $this->session->get('cart') : new CartCollection;
+
+        return $content;
+    }
+
+    /**
+     * Update a row if the rowId already exists
+     * 
+     * @param  string  $rowId The ID of the row to update   
+     * @param  integer $qty   The quantity to add to the row
+     * @return Collection
+     */
+    protected function updateRow($rowId, $qty)
+    {
+        $cart = $this->getContent();
+
+        $row = $cart->get($rowId);
+
+        $row->qty = $qty;
+        $row->subtotal = $row->qty * $row->price;
+
+        $cart->put($rowId, $row);
+
+        return $cart;
+    }
+
+    /**
+     * Create a new row Object
+     *    
+     * @param  string $rowId   The ID of the new row
+     * @param  string $id      Unique ID of the item
+     * @param  string $name    Name of the item
+     * @param  int    $qty     Item qty to add to the cart
+     * @param  float  $price   Price of one item
+     * @param  Array  $options Array of additional options, such as 'size' or 'color'
+     * @return Collection
+     */
+    protected function createRow($rowId, $id, $name, $qty, $price, $options)
+    {
+        $cart = $this->getContent();
+
+        $newRow = new CartRowCollection([
+            'rowid' => $rowId,
+            'id' => $id,
+            'name' => $name,
+            'qty' => $qty,
+            'price' => $price,
+            'options' => new CartRowOptionsCollection($options),
+            'subtotal' => $qty * $price
+        ]);
+
+        $cart->put($rowId, $newRow);
+
+        return $cart;
+    }
+
+}

src/Gloudemans/Shoppingcart/CartCollection.php

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+<?php namespace Gloudemans\Shoppingcart;
+
+use Illuminate\Support\Collection;
+
+class CartCollection extends Collection {
+
+}

src/Gloudemans/Shoppingcart/CartRowCollection.php

@@ -0,0 +1,22 @@
+<?php namespace Gloudemans\Shoppingcart;
+
+use Illuminate\Support\Collection;
+
+class CartRowCollection extends Collection {
+
+    public function __construct($items)
+    {
+        parent::__construct($items);
+    }
+
+    public function __get($arg)
+    {
+        if($this->has($arg))
+        {
+            return $this->get($arg);
+        }
+
+        return NULL;
+    }
+
+}

src/Gloudemans/Shoppingcart/CartRowOptionsCollection.php

@@ -0,0 +1,22 @@
+<?php namespace Gloudemans\Shoppingcart;
+
+use Illuminate\Support\Collection;
+
+class CartRowOptionsCollection extends Collection {
+
+    public function __construct($items)
+    {
+        parent::__construct($items);
+    }
+
+    public function __get($arg)
+    {
+        if($this->has($arg))
+        {
+            return $this->get($arg);
+        }
+
+        return NULL;
+    }
+
+}

src/Gloudemans/Shoppingcart/Facades/Cart.php

@@ -0,0 +1,14 @@
+<?php namespace Gloudemans\Shoppingcart\Facades;
+
+use Illuminate\Support\Facades\Facade;
+
+class Cart extends Facade {
+
+    /**
+     * Get the registered name of the component.
+     *
+     * @return string
+     */
+    protected static function getFacadeAccessor() { return 'cart'; }
+
+}

src/Gloudemans/Shoppingcart/ShoppingcartServiceProvider.php

@@ -0,0 +1,21 @@
+<?php namespace Gloudemans\Shoppingcart;
+
+use Illuminate\Support\ServiceProvider;
+
+class ShoppingcartServiceProvider extends ServiceProvider {
+
+    /**
+     * Register the service provider.
+     *
+     * @return void
+     */
+    public function register()
+    {
+
+        $this->app['cart'] = $this->app->share(function($app)
+        {
+            $session = $this->app['session'];
+            return new Cart($session);
+        });
+    }
+}