add HOOK_UNSUBSCRIBE_FEED

classes/pluginhost.php

@@ -56,6 +56,7 @@ class PluginHost {
 	const HOOK_FORMAT_ARTICLE_CDM = 35;
 	const HOOK_FEED_BASIC_INFO = 36;
 	const HOOK_SEND_LOCAL_FILE = 37;
+	const HOOK_UNSUBSCRIBE_FEED = 38;
 
 	const KIND_ALL = 1;
 	const KIND_SYSTEM = 2;

classes/pref/feeds.php

@@ -1740,6 +1740,10 @@ class Pref_Feeds extends Handler_Protected {
 
 	static function remove_feed($id, $owner_uid) {
 
+		foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_UNSUBSCRIBE_FEED) as $p) {
+			$line = $p->hook_unsubscribe_feed($id, $owner_uid);
+		}
+
 		if ($id > 0) {
 
 			/* save starred articles in Archived feed */
@@ -1969,4 +1973,4 @@ class Pref_Feeds extends Handler_Protected {
 		return $url_path;
 	}
 
-}
+}