From a01c33d65409d8313221b981152ec627b8f8f3f1 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Thu, 6 Dec 2018 19:15:00 +0300
Subject: add HOOK_FILTER_TRIGGERED (for filter debugging)

---
 classes/pluginhost.php |  1 +
 classes/rssutils.php   | 19 ++++++++++++++++---
 include/functions.php  |  3 ++-
 3 files changed, 19 insertions(+), 4 deletions(-)

diff --git a/classes/pluginhost.php b/classes/pluginhost.php
index 7e3fb08ab..1ea6d8a5b 100755
--- a/classes/pluginhost.php
+++ b/classes/pluginhost.php
@@ -57,6 +57,7 @@ class PluginHost {
 	const HOOK_SEND_LOCAL_FILE = 37;
 	const HOOK_UNSUBSCRIBE_FEED = 38;
 	const HOOK_SEND_MAIL = 39;
+	const HOOK_FILTER_TRIGGERED = 40;
 
 	const KIND_ALL = 1;
 	const KIND_SYSTEM = 2;
diff --git a/classes/rssutils.php b/classes/rssutils.php
index 56108bd1e..923e98c82 100755
--- a/classes/rssutils.php
+++ b/classes/rssutils.php
@@ -769,13 +769,25 @@ class RSSUtils {
 
 				/* Collect article tags here so we could filter by them: */
 
-				$matched_rules = array();
+				$matched_rules = [];
+				$matched_filters = [];
 
 				$article_filters = RSSUtils::get_article_filters($filters, $article["title"],
 					$article["content"], $article["link"], $article["author"],
-					$article["tags"], $matched_rules);
+					$article["tags"], $matched_rules, $matched_filters);
+
+				// $article_filters should be renamed to something like $filter_actions; actual filter objects are in $matched_filters
+				foreach ($pluginhost->get_hooks(PluginHost::HOOK_FILTER_TRIGGERED) as $plugin) {
+					$plugin->hook_filter_triggered($feed, $owner_uid, $article, $matched_filters, $matched_rules, $article_filters);
+				}
 
 				if (Debug::get_loglevel() >= Debug::$LOG_EXTENDED) {
+					Debug::log("matched filters: ", Debug::$LOG_VERBOSE);
+
+					if (count($matched_filters != 0)) {
+						print_r($matched_filters);
+					}
+
 					Debug::log("matched filter rules: ", Debug::$LOG_VERBOSE);
 
 					if (count($matched_rules) != 0) {
@@ -1342,7 +1354,7 @@ class RSSUtils {
 		return $params;
 	}
 
-	static function get_article_filters($filters, $title, $content, $link, $author, $tags, &$matched_rules = false) {
+	static function get_article_filters($filters, $title, $content, $link, $author, $tags, &$matched_rules = false, &$matched_filters = false) {
 		$matches = array();
 
 		foreach ($filters as $filter) {
@@ -1409,6 +1421,7 @@ class RSSUtils {
 
 			if ($filter_match) {
 				if (is_array($matched_rules)) array_push($matched_rules, $rule);
+				if (is_array($matched_filters)) array_push($matched_filters, $filter);
 
 				foreach ($filter["actions"] AS $action) {
 					array_push($matches, $action);
diff --git a/include/functions.php b/include/functions.php
index 5c1ad1c37..83cc72f80 100755
--- a/include/functions.php
+++ b/include/functions.php
@@ -1945,7 +1945,8 @@
 				}
 			}
 
-			$filter = array();
+			$filter = [];
+			$filter["id"] = $filter_id;
 			$filter["match_any_rule"] = sql_bool_to_bool($line["match_any_rule"]);
 			$filter["inverse"] = sql_bool_to_bool($line["inverse"]);
 			$filter["rules"] = $rules;
-- 
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