Fixing #51, tags with an identifier (cakephp:developer) are not displ…

…ayed with the identifier when returned from the DB later

Model/Behavior/TaggableBehavior.php

@@ -357,7 +357,15 @@ public function multibyteKey(Model $model, $string = null) {
  */
 	public function tagArrayToString(Model $model, $data = null) {
 		if ($data) {
-			return join($this->settings[$model->alias]['separator'] . ' ', Set::extract($data, '{n}.name'));
+			$tags = array();
+			foreach ($data as $tag) {
+				if (!empty($tag['identifier'])) {
+					$tags[] = $tag['identifier'] . ':' . $tag['name'];
+				} else {
+					$tags[] =  $tag['name'];
+				}
+			}
+			return join($this->settings[$model->alias]['separator'] . ' ', $tags);
 		}
 		return '';
 	}

Test/Case/Model/Behavior/TaggableBehaviorTest.php

@@ -216,7 +216,7 @@ public function testSaveTimesTagged() {
 	}
 
 /**
- * Testings Taggable::tagArrayToString()
+ * Testing Taggable::tagArrayToString()
  *
  * @return void
  */
@@ -230,10 +230,22 @@ public function testTagArrayToString() {
 		$result = $this->Article->tagArrayToString($result['Tag']);
 		$this->assertTrue(!empty($result));
 		$this->assertInternalType('string', $result);
+		$this->assertEquals($result, 'test, bar, foo');
 
 		$result = $this->Article->tagArrayToString();
 		$this->assertTrue(empty($result));
 		$this->assertInternalType('string', $result);
+
+		$data['tags'] = 'cakephp:foo, cakephp:bar';
+		$this->Article->save($data, false);
+		$result = $this->Article->find('first', array(
+			'conditions' => array(
+				'id' => 'article-1')));
+
+		$result = $this->Article->tagArrayToString($result['Tag']);
+		$this->assertTrue(!empty($result));
+		$this->assertInternalType('string', $result);
+		$this->assertEquals($result, 'cakephp:bar, cakephp:foo, bar, foo');
 	}
 
 /**