Add support for creating and deleting content with the Facebook Graph AP...

src/php/DataSift/Storyplayer/Prose/FromCurl.php

@@ -35,7 +35,7 @@
  *
  * @category  Libraries
  * @package   Storyplayer/Prose
- * @author    Michael Heap <[email protected]>
+ * @author    Michael Heap <[email protected]>, Michael Pitidis <[email protected]>
  * @copyright 2011-present Mediasift Ltd www.datasift.com
  * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
  * @link      http://datasift.github.io/storyplayer
@@ -72,21 +72,36 @@ class FromCurl extends Prose
 	 */
 	public function get($url, $params = array(), $headers = array())
 	{
+		return $this->request($url, $params, $headers);
+	}
+
+	public function post($url, $data, $params = array(), $headers = array())
+	{
+		return $this->request($url, $params, $headers, 'POST', array(
+			CURLOPT_POST => true,
+			CURLOPT_POSTFIELDS => $data,
+		));
+	}
+
+	public function delete($url, $params = array(), $headers = array())
+	{
+		return $this->request($url, $params, $headers, 'DELETE', array(
+			CURLOPT_CUSTOMREQUEST => "DELETE",
+		));
+	}
 
+	protected function request($url, $params = array(), $headers = array(), $method = 'GET', $options = array()) {
 		if (count($headers)){
 			throw new E5xx_NotImplemented("FromCurl does not support headers yet");
 		}
 
-		// shorthand
-		$st = $this->st;
-
 		// create the full URL
 		if (count($params) > 0) {
 			$url = $url . '?' . http_build_query($params);
 		}
 
 		// what are we doing?
-		$log = $st->startAction("HTTP GET '${url}'");
+		$log = $this->st->startAction("HTTP $method '${url}'");
 
 		// create a new cURL resource
 		$ch = curl_init();
@@ -95,6 +110,9 @@ public function get($url, $params = array(), $headers = array())
 		curl_setopt($ch, CURLOPT_URL, $url);
 		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 		curl_setopt($ch, CURLOPT_HEADER, 0);
+		foreach ($options as $key => $val) {
+			curl_setopt($ch, $key, $val);
+		}
 
 		// grab URL and pass it to the browser
 		$response = curl_exec($ch);

src/php/DataSift/Storyplayer/Prose/UsingFacebookGraphApi.php

@@ -35,7 +35,7 @@
  *
  * @category  Libraries
  * @package   Storyplayer/Prose
- * @author    Michael Heap <[email protected]>
+ * @author    Michael Heap <[email protected]>, Michael Pitidis <[email protected]>
  * @copyright 2011-present Mediasift Ltd www.datasift.com
  * @license   http://www.opensource.org/licenses/bsd-license.php  BSD License
  * @link      http://datasift.github.io/storyplayer
@@ -97,6 +97,28 @@ public function getLatestPostFromPage($id){
 		return reset($posts);
 	}
 
+	public function getPostUpdatedTime($post_id) {
+		return $this->st->fromCurl()->get("{$this->base_path}/{$post_id}", $this->authenticated(array(
+			'fields' => 'updated_time',
+		)));
+	}
+
+	public function createComment($post_id, $comment) {
+		return $this->makeGraphPostRequest("/{$post_id}/comments", "message=$comment");
+	}
+
+	public function deleteComment($comment_id) {
+		return $this->makeGraphDeleteRequest("/{$comment_id}");
+	}
+
+	private function makeGraphPostRequest($path, $data, $params = array()) {
+		return $this->st->fromCurl()->post($this->base_path . $path, $data, $this->authenticated($params));
+	}
+
+	private function makeGraphDeleteRequest($path, $params = array()) {
+		return $this->st->fromCurl()->delete($this->base_path . $path, $this->authenticated($params));
+	}
+
 	/**
 	 * makeGraphApiRequest 
 	 *
@@ -106,14 +128,12 @@ public function getLatestPostFromPage($id){
 	 * 
 	 * @return void
 	 */
-	private function makeGraphApiRequest($path){
+	private function makeGraphApiRequest($path, $params = array()){
 		$st = $this->st;
 
 		$environment = $st->getEnvironment();
-		$access_token = $environment->facebookAccessToken;
 
-		// GET $path/?access_token=$access_token
-		$resp = $st->fromCurl()->get($this->base_path.$path.'?access_token='. $access_token);
+		$resp = $st->fromCurl()->get($this->base_path . $path, $this->authenticated($params));
 
 		// Make sure it's well formed
 		$log = $st->startAction("make sure we have the 'data' key in the response");
@@ -136,4 +156,11 @@ private function makeGraphApiRequest($path){
 
 		return $resp->data;
 	}
+
+	private function authenticated(array $params) {
+		if (!isset($params['access_token'])) {
+			$params['access_token'] = $this->st->getEnvironment()->facebookAccessToken;
+		}
+		return $params;
+	}
 }