From d6c600ce112d29cc05dc241246c5124c9447f321 Mon Sep 17 00:00:00 2001
From: Domovoy <domovoy@errlock.org>
Date: Mon, 23 Jul 2012 15:35:31 +0200
Subject: [PATCH 1/3] Hooks now have a 'priority' value, default to 0.

The hooks are retrieved from the database by descending priority.

As a result they are run in the same order.
---
 include/plugin.php | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/include/plugin.php b/include/plugin.php
index ffa562273f..d6f81b8172 100644
--- a/include/plugin.php
+++ b/include/plugin.php
@@ -111,7 +111,7 @@ function reload_plugins() {
 
 
 if(! function_exists('register_hook')) {
-function register_hook($hook,$file,$function) {
+function register_hook($hook,$file,$function,$priority=0) {
 
 	$r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
 		dbesc($hook),
@@ -121,10 +121,11 @@ function register_hook($hook,$file,$function) {
 	if(count($r))
 		return true;
 
-	$r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
+	$r = q("INSERT INTO `hook` (`hook`, `file`, `function`, `priority`) VALUES ( '%s', '%s', '%s', '%s' ) ",
 		dbesc($hook),
 		dbesc($file),
-		dbesc($function)
+		dbesc($function),
+		dbesc($priority)
 	);
 	return $r;
 }}
@@ -145,7 +146,7 @@ if(! function_exists('load_hooks')) {
 function load_hooks() {
 	$a = get_app();
 	$a->hooks = array();
-	$r = q("SELECT * FROM `hook` WHERE 1");
+	$r = q("SELECT * FROM `hook` WHERE 1 ORDER BY `priority` DESC");
 	if(count($r)) {
 		foreach($r as $rr) {
 			if(! array_key_exists($rr['hook'],$a->hooks))
@@ -161,6 +162,7 @@ function call_hooks($name, &$data = null) {
 	$a = get_app();
 
 	if((is_array($a->hooks)) && (array_key_exists($name,$a->hooks))) {
+	logger('call_hooks ' . print_r($a->hooks[$name],true) , LOGGER_DEBUG);
 		foreach($a->hooks[$name] as $hook) {
 			@include_once($hook[0]);
 			if(function_exists($hook[1])) {

From 35f1081bfe834d268744e091c24d730cda2064c4 Mon Sep 17 00:00:00 2001
From: Domovoy <domovoy@errlock.org>
Date: Mon, 23 Jul 2012 20:16:06 +0200
Subject: [PATCH 2/3] Removed the debug statement

---
 include/plugin.php | 1 -
 1 file changed, 1 deletion(-)

diff --git a/include/plugin.php b/include/plugin.php
index d6f81b8172..f60a7d2961 100644
--- a/include/plugin.php
+++ b/include/plugin.php
@@ -162,7 +162,6 @@ function call_hooks($name, &$data = null) {
 	$a = get_app();
 
 	if((is_array($a->hooks)) && (array_key_exists($name,$a->hooks))) {
-	logger('call_hooks ' . print_r($a->hooks[$name],true) , LOGGER_DEBUG);
 		foreach($a->hooks[$name] as $hook) {
 			@include_once($hook[0]);
 			if(function_exists($hook[1])) {

From c052c6afca08eff24c0b4b95c7bde1e9ee2c4e31 Mon Sep 17 00:00:00 2001
From: Domovoy <domovoy@errlock.org>
Date: Tue, 24 Jul 2012 01:21:02 +0200
Subject: [PATCH 3/3] Database can now be automatically updated

---
 boot.php     | 2 +-
 database.sql | 1 +
 update.php   | 9 ++++++++-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/boot.php b/boot.php
index 3a541a272e..bcff5dddd2 100644
--- a/boot.php
+++ b/boot.php
@@ -12,7 +12,7 @@ require_once('include/cache.php');
 define ( 'FRIENDICA_PLATFORM',     'Friendica');
 define ( 'FRIENDICA_VERSION',      '3.0.1412' );
 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
-define ( 'DB_UPDATE_VERSION',      1153      );
+define ( 'DB_UPDATE_VERSION',      1154      );
 
 define ( 'EOL',                    "<br />\r\n"     );
 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
diff --git a/database.sql b/database.sql
index 1d0a321760..80ce05ba0c 100644
--- a/database.sql
+++ b/database.sql
@@ -456,6 +456,7 @@ CREATE TABLE IF NOT EXISTS `hook` (
   `hook` char(255) NOT NULL,
   `file` char(255) NOT NULL,
   `function` char(255) NOT NULL,
+  `priority` int(11) UNSIGNED NOT NULL DEFAULT '0',
   PRIMARY KEY (`id`)
 ) ENGINE=MyISAM  DEFAULT CHARSET=utf8;
 
diff --git a/update.php b/update.php
index d752eaa6df..9442f825bb 100644
--- a/update.php
+++ b/update.php
@@ -1,6 +1,6 @@
 <?php
 
-define( 'UPDATE_VERSION' , 1153 );
+define( 'UPDATE_VERSION' , 1154 );
 
 /**
  *
@@ -1337,3 +1337,10 @@ function update_1152() {
 	return UPDATE_SUCCESS;
 }
 
+function update_1153() {
+	$r = q("ALTER TABLE `hook` ADD `priority` INT(11) UNSIGNED NOT NULL DEFAULT '0'");
+	
+	if(!$r) return UPDATE_FAILED;
+	return UPDATE_SUCCESS;
+}
+