Moved charges to Charge producer & fixed exception with empty charge_id.

src/Mintance.php

@@ -3,6 +3,7 @@
 namespace Mintance;
 
 use Mintance\Exceptions\Exception;
+use Mintance\Producers\Charge;
 use Mintance\Producers\Event;
 use Mintance\Producers\People;
 use Mintance\Transport\AbstractTransport;
@@ -38,10 +39,15 @@ class Mintance {
 	];
 
 	/**
-	 * @var \Mintance\Producers\Event Event producer object.
+	 * @var \Mintance\Producers\Event Events producer object.
 	 */
 	protected $_event;
 
+	/**
+	 * @var \Mintance\Producers\Charge Charges producer object.
+	 */
+	protected $_charge;
+
 	/**
 	 * @var \Mintance\Session\Session Session store object.
 	 */
@@ -73,6 +79,8 @@ public function __construct($token, array $options = []) {
 
 		$this->_event = new Event($this->_transport);
 
+		$this->_charge = new Charge($this->_transport);
+
 		$this->_session = new Session($this->_transport);
 	}
 
@@ -110,7 +118,7 @@ public function track($name, array $params = []) {
 	 * @throws Exception If something wrong
 	 */
 	public function charge($amount, array $params = []) {
-		return $this->_event->charge($amount, $params);
+		return $this->_charge->track($amount, $params);
 	}
 
 	/**

src/Producers/Charge.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace Mintance\Producers;
+
+use Mintance\Exceptions\Exception;
+
+/**
+ * Class Charge
+ * @package Mintance\Producers
+ */
+class Charge extends Event {
+
+	/**
+	 * Tracking Purchase event.
+	 *
+	 * @param float $amount Amount of money.
+	 * @param array $params Purchase params
+	 *  Default params are: currency, products
+	 *
+	 * @return string Charge ID if success.
+	 *
+	 * @throws \Mintance\Exceptions\Exception Throws exception if something goes wrong.
+	 */
+	public function track($amount, array $params = []) {
+
+		$response = $this->_push($this->_buildEvent('New Charge', 'charge', array_merge($params, [
+			'value' => $amount
+		])));
+
+		if(!empty($response['charge_id'])) {
+			return $response['charge_id'];
+		} else {
+			throw new Exception('Charge sending error.');
+		}
+	}
+
+	/**
+	 * Function send's event to mintance.
+	 *
+	 * @param array $event Event data.
+	 *
+	 * @return \Mintance\Transport\AbstractTransport
+	 */
+	protected function _push(array $event) {
+
+		$this->_transport->setEndpoint('charges');
+
+		return $this->_transport->execute($event);
+	}
+}

src/Producers/Event.php

@@ -30,30 +30,6 @@ public function track($name, array $params = []) {
 		}
 	}
 
-	/**
-	 * Tracking Purchase event.
-	 *
-	 * @param float $amount Amount of money.
-	 * @param array $params Purchase params
-	 *  Default params are: currency, products
-	 *
-	 * @return string Charge ID if success.
-	 *
-	 * @throws \Mintance\Exceptions\Exception Throws exception if something goes wrong.
-	 */
-	public function charge($amount, array $params = []) {
-
-		$response = $this->_push($this->_buildEvent('Charge', 'charge', array_merge($params, [
-			'value' => $amount
-		])));
-
-		if(!empty($response['charge_id'])) {
-			return $response['charge_id'];
-		} else {
-			throw new Exception('Charge sending error.');
-		}
-	}
-
 	/**
 	 * Tracking form submission event.
 	 *