Large update for version 2.0

src/CanBeBought.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace Gloudemans\Shoppingcart;
+
+trait CanBeBought
+{
+
+    /**
+     * Get the identifier of the Buyable item.
+     *
+     * @return int|string
+     */
+    public function getBuyableIdentifier()
+    {
+        return method_exists($this, 'getKey') ? $this->getKey() : $this->id;
+    }
+
+    /**
+     * Get the description or title of the Buyable item.
+     *
+     * @return string
+     */
+    public function getBuyableDescription()
+    {
+        if(property_exists('name', $this)) return $this->name;
+        if(property_exists('title', $this)) return $this->title;
+        if(property_exists('description', $this)) return $this->description;
+
+        return null;
+    }
+
+    /**
+     * Get the price of the Buyable item.
+     *
+     * @return float
+     */
+    public function getBuyablePrice()
+    {
+        if(property_exists('price', $this)) return $this->price;
+
+        return null;
+    }
+}