make EnrichedActivity iterable

Author: tbarbugli

src/GetStream/StreamLaravel/EnrichedActivity.php

@@ -1,6 +1,6 @@
 <?php namespace GetStream\StreamLaravel;
 
-class EnrichedActivity implements \ArrayAccess {
+class EnrichedActivity implements \ArrayAccess, \Iterator {
     private $activityData = array();
     private $notEnrichedData = array();
 
@@ -49,4 +49,30 @@ public function offsetGet($offset)
         return isset($this->activityData[$offset]) ? $this->activityData[$offset] : null;
     }
 
+    // Array iteration methods
+    public function rewind()
+    {
+        reset($this->activityData);
+    }
+  
+    public function current()
+    {
+        return current($this->activityData);
+    }
+  
+    public function key() 
+    {
+        return key($this->activityData);
+    }
+  
+    public function next() 
+    {
+        return next($this->activityData);
+    }
+  
+    public function valid()
+    {
+        return (bool) $this->current();
+    }
+
 }

tests/EnrichedActivityTest.php

@@ -30,4 +30,14 @@ public function testTrackNotEnrichedField()
         $this->assertSame($activity->getNotEnrichedData(), array('missing' => 'value'));
     }
 
+    public function testIterable()
+    {
+        $activity = new EnrichedActivity(array('1'=>1, '2'=> 3));
+        $sum = 0;
+        foreach ($activity as $field => $value) {
+            $sum += $value;
+        }
+        $this->assertSame($sum, 4);
+    }
+
 }