Add events for favor and disfavor

Added events to core code for when someone favors or disfavors a
notice.

EVENTS.txt

@@ -729,3 +729,22 @@ StartGetProfileUri: When determining the canonical URI for a given profile
 EndGetProfileUri: After determining the canonical URI for a given profile
 - $profile: the current profile
 - &$uri: the URI
+
+StartFavorNotice: Saving a notice as a favorite
+- $profile: profile of the person faving (can be remote!)
+- $notice: notice being faved
+- &$fave: Favor object; null to start off with, but feel free to override.
+
+EndFavorNotice: After saving a notice as a favorite
+- $profile: profile of the person faving (can be remote!)
+- $notice: notice being faved
+
+StartDisfavorNotice: Saving a notice as a favorite
+- $profile: profile of the person faving (can be remote!)
+- $notice: notice being faved
+- &$result: result of the disfavoring (if you override)
+
+EndDisfavorNotice: After saving a notice as a favorite
+- $profile: profile of the person faving (can be remote!)
+- $notice: notice being faved
+

classes/Fave.php

@@ -21,17 +21,47 @@ class Fave extends Memcached_DataObject
     /* the code above is auto generated do not remove the tag below */
     ###END_AUTOCODE
 
-    static function addNew($user, $notice) {
-        $fave = new Fave();
-        $fave->user_id = $user->id;
-        $fave->notice_id = $notice->id;
-        if (!$fave->insert()) {
-            common_log_db_error($fave, 'INSERT', __FILE__);
-            return false;
+    static function addNew($profile, $notice) {
+
+        $fave = null;
+
+        if (Event::handle('StartFavorNotice', array($profile, $notice, &$fave))) {
+
+            $fave = new Fave();
+
+            $fave->user_id   = $profile->id;
+            $fave->notice_id = $notice->id;
+
+            if (!$fave->insert()) {
+                common_log_db_error($fave, 'INSERT', __FILE__);
+                return false;
+            }
+
+            Event::handle('EndFavorNotice', array($profile, $notice));
         }
+
         return $fave;
     }
 
+    function delete()
+    {
+        $profile = Profile::staticGet('id', $this->user_id);
+        $notice  = Notice::staticGet('id', $this->notice_id);
+
+        $result = null;
+
+        if (Event::handle('StartDisfavorNotice', array($profile, $notice, &$result))) {
+
+            $result = parent::delete();
+
+            if ($result) {
+                Event::handle('EndDisfavorNotice', array($profile, $notice));
+            }
+        }
+
+        return $result;
+    }
+
     function pkeyGet($kv)
     {
         return Memcached_DataObject::pkeyGet('Fave', $kv);