Flexible/Metered Billing API support

init.php

@@ -96,6 +96,7 @@
 require(dirname(__FILE__) . '/lib/Topup.php');
 require(dirname(__FILE__) . '/lib/Transfer.php');
 require(dirname(__FILE__) . '/lib/TransferReversal.php');
+require(dirname(__FILE__) . '/lib/UsageRecord.php');
 
 // OAuth
 require(dirname(__FILE__) . '/lib/OAuth.php');

lib/Plan.php

@@ -10,6 +10,7 @@
  * @property string $id
  * @property string $object
  * @property int $amount
+ * @property string $billing_scheme
  * @property int $created
  * @property string $currency
  * @property string $interval
@@ -18,7 +19,10 @@
  * @property StripeObject $metadata
  * @property string $nickname
  * @property string $product
+ * @property array $tiers
+ * @property string $tiers_mode
  * @property int $trial_period_days
+ * @property string $usage_type
  */
 class Plan extends ApiResource
 {

lib/UsageRecord.php

@@ -0,0 +1,41 @@
+<?php
+
+namespace Stripe;
+
+/**
+ * Class UsageRecord
+ *
+ * @package Stripe
+ *
+ * @property string $id
+ * @property string $object
+ * @property bool $livemode
+ * @property int $quantity
+ * @property string $subscription_item
+ * @property int $timestamp
+ */
+class UsageRecord extends ApiResource
+{
+    /**
+     * @param array|null $params
+     * @param array|string|null $options
+     *
+     * @return \Stripe\ApiResource The created resource.
+     */
+    public static function create($params = null, $options = null)
+    {
+        self::_validateParams($params);
+        if (!array_key_exists('subscription_item', $params)) {
+            throw new Error\InvalidRequest("Missing subscription_item param in request", null);
+        }
+        $subscription_item = $params['subscription_item'];
+        $url = "/v1/subscription_items/$subscription_item/usage_records";
+        $request_params = $params;
+        unset($request_params['subscription_item']);
+
+        list($response, $opts) = static::_staticRequest('post', $url, $request_params, $options);
+        $obj = \Stripe\Util\Util::convertToStripeObject($response->json, $opts);
+        $obj->setLastResponse($response);
+        return $obj;
+    }
+}

lib/Util/Util.php

@@ -111,6 +111,7 @@ public static function convertToStripeObject($resp, $opts)
             'topup' => 'Stripe\\Topup',
             'transfer' => 'Stripe\\Transfer',
             'transfer_reversal' => 'Stripe\\TransferReversal',
+            'usage_record' => 'Stripe\\UsageRecord',
         ];
         if (self::isList($resp)) {
             $mapped = [];

tests/Stripe/UsageRecordTest.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Stripe;
+
+class UsageRecordTest extends TestCase
+{
+    const TEST_RESOURCE_ID = 'usage_record';
+
+    public function testIsCreatable()
+    {
+        $this->expectsRequest(
+            'post',
+            '/v1/subscription_items/si_123/usage_records'
+        );
+        $resource = UsageRecord::create([
+            'subscription_item' => 'si_123',
+            'quantity' => 100,
+            'timestamp' => 12341234,
+            'action' => 'set'
+        ]);
+        $this->assertInstanceOf("Stripe\\UsageRecord", $resource);
+    }
+
+    /**
+     * @expectedException \Stripe\Error\InvalidRequest
+     */
+    public function testThrowsIfSubscriptionItemIsMissing()
+    {
+        UsageRecord::create([
+            'quantity' => 100,
+            'timestamp' => 12341234,
+            'action' => 'set'
+        ]);
+    }
+}