Added ext-mongodb support

src/MongodbAdapter.php

@@ -0,0 +1,29 @@
+<?php
+
+
+namespace Litipk\Jiffy;
+
+
+/**
+ * Trait MongodbAdapter: Only to be used inside UniversalTimestamp.
+ * @package Litipk\Jiffy
+ */
+trait MongodbAdapter
+{
+    /**
+     * @param \MongoDB\BSON\UTCDatetime $mongoDate
+     * @return UniversalTimestamp
+     */
+    public static function fromMongodbUTCDateTime(\MongoDB\BSON\UTCDatetime $mongoDate)
+    {
+        return UniversalTimestamp::fromMillisecondsTimestamp((int)$mongoDate->__toString());
+    }
+
+    /**
+     * @return \MongoDate
+     */
+    public function asMongodbUTCDateTime()
+    {
+        return new \MongoDB\BSON\UTCDatetime($this->millis);
+    }
+}

src/UniversalTimestamp.php

@@ -4,10 +4,14 @@
 namespace Litipk\Jiffy;
 
 
-if (!extension_loaded('mongo')) {
-    trait TsExtension {};
-} else {
+if (extension_loaded('mongo') && extension_loaded('mongodb')) {
+    trait TsExtension { use MongoAdapter; use MongodbAdapter; };
+} elseif (extension_loaded('mongo')) {
     trait TsExtension { use MongoAdapter; };
+} elseif (extension_loaded('mongodb')) {
+    trait TsExtension { use MongodbAdapter; };
+} else {
+    trait TsExtension {};
 }
 
 

tests/MongodbAdapterTests.php

@@ -0,0 +1,39 @@
+<?php
+
+
+use Litipk\Jiffy\UniversalTimestamp;
+
+
+class MongodbAdapterTests extends \PHPUnit_Framework_TestCase
+{
+    public function testFromMongoDate()
+    {
+        if (!extension_loaded('mongodb')) return;
+
+        $uTs_A = UniversalTimestamp::now();
+        $uTs_B = UniversalTimestamp::fromMongodbUTCDateTime(
+            new \MongoDB\BSON\UTCDatetime($uTs_A->asMilliseconds()+1)
+        );
+        $uTs_C = UniversalTimestamp::fromMillisecondsTimestamp($uTs_A->asMilliseconds()+2);
+
+        $this->assertGreaterThanOrEqual(4, 5);
+
+        $this->assertGreaterThanOrEqual($uTs_A->asMilliseconds(), $uTs_B->asMilliseconds());
+        $this->assertGreaterThanOrEqual($uTs_B->asMilliseconds(), $uTs_C->asMilliseconds());
+        $this->assertGreaterThanOrEqual($uTs_A->asMilliseconds(), $uTs_C->asMilliseconds());
+    }
+
+    public function testAsMongoDate()
+    {
+        if (!extension_loaded('mongodb')) return;
+
+        $ts1 = UniversalTimestamp::fromMongodbUTCDateTime(
+            new \MongoDB\BSON\UTCDatetime(UniversalTimestamp::now()->asMilliseconds())
+        );
+        $md1 = $ts1->asMongodbUTCDateTime();
+
+        $this->assertTrue($md1 instanceof \MongoDB\BSON\UTCDatetime);
+        $this->assertEquals($ts1->asSeconds(), (int)floor(((int)$md1->__toString())/1000));
+        $this->assertEquals($ts1->asMilliseconds()%1000, ((int)$md1->__toString())%1000);
+    }
+}