From 57c7f725f67ac868b54d0dbff2d4fb0122af3954 Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Tue, 25 Jun 2013 18:15:17 -0700
Subject: begin code to sync channel changes across all channel clones.

---
 include/config.php   | 21 ++++++++++++++
 include/settings.php | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 98 insertions(+)
 create mode 100644 include/settings.php

(limited to 'include')

diff --git a/include/config.php b/include/config.php
index 6a134deae..1f7a4dbd7 100644
--- a/include/config.php
+++ b/include/config.php
@@ -195,7 +195,18 @@ function set_pconfig($uid,$family,$key,$value) {
 		if(! array_key_exists($family,$a->config[$uid]))
 			$a->config[$uid][$family] = array();
 
+		// keep a separate copy for all variables which were
+		// set in the life of this page. We need this to
+		// synchronise channel clones.
+
+		if(! array_key_exists('transient',$a->config[$uid]))
+			$a->config[$uid]['transient'] = array();
+		if(! array_key_exists($family,$a->config[$uid]['transient']))
+			$a->config[$uid]['transient'][$family] = array();
+
 		$a->config[$uid][$family][$key] = $value;
+		$a->config[$uid]['transient'][$family][$key] = $value;
+
 		$ret = q("INSERT INTO pconfig ( uid, cat, k, v ) VALUES ( %d, '%s', '%s', '%s' ) ",
 			intval($uid),
 			dbesc($family),
@@ -214,7 +225,17 @@ function set_pconfig($uid,$family,$key,$value) {
 		dbesc($key)
 	);
 
+	// keep a separate copy for all variables which were
+	// set in the life of this page. We need this to
+	// synchronise channel clones.
+
+	if(! array_key_exists('transient',$a->config[$uid]))
+		$a->config[$uid]['transient'] = array();
+	if(! array_key_exists($family,$a->config[$uid]['transient']))
+		$a->config[$uid]['transient'][$family] = array();
+
 	$a->config[$uid][$family][$key] = $value;
+	$a->config[$uid]['transient'][$family][$key] = $value;
 
 	if($ret)
 		return $value;
diff --git a/include/settings.php b/include/settings.php
new file mode 100644
index 000000000..9266932f2
--- /dev/null
+++ b/include/settings.php
@@ -0,0 +1,77 @@
+<?php /** @file */
+
+function build_sync_packet($packet = null) {
+	$a = get_app();
+
+	$uid = local_user();
+	if(! $uid)
+		return;
+
+	$channel = $a->get_channel();
+
+	$h = q("select * from hubloc where hubloc_hash = '%s'",
+		dbesc($channel['channel_hash'])
+	);
+
+	if(! $h)
+		return;
+
+	$synchubs = array();
+
+	foreach($h as $x) {
+		if($x['host'] == $a->get_hostname())
+			continue;
+		$synchubs[] = $x;
+	}
+
+	if(! $synchubs)
+		return;
+
+	$info = (($packet) ? $packet : array());
+
+	if(array_key_exists($uid,$a->config) && array_key_exists('transient',$a->config[$uid])) {
+		$settings = $a->config[$uid]['transient'];
+		if($settings) {
+			$info['config'] = $settings;
+		}
+	}
+	
+	if($channel) {
+		$info['channel'] = array();
+		foreach($channel as $k => $v) {
+			if(strpos('channel_',$k) !== 0)
+				continue;
+			if($k === 'channel_id')
+				continue;
+			if($k === 'channel_account_id')
+				continue;
+			$info['channel'][$k] = $v;
+		}
+	}
+
+	$interval = ((get_config('system','delivery_interval') !== false) 
+			? intval(get_config('system','delivery_interval')) : 2 );
+
+
+	foreach($synchubs as $hub) {
+		$hash = random_string();
+		$n = zot_build_packet($channel,'channel_sync');
+		q("insert into outq ( outq_hash, outq_account, outq_channel, outq_posturl, outq_async, outq_created, outq_updated, outq_notify, outq_msg ) values ( '%s', %d, %d, '%s', %d, '%s', '%s', '%s', '%s' )",
+			dbesc($hash),
+			intval($channel['channel_account']),
+			intval($channel['channel_id']),
+			dbesc($hub['hubloc_callback']),
+			intval(1),
+			dbesc(datetime_convert()),
+			dbesc(datetime_convert()),
+			dbesc($n),
+			dbesc($info)
+		);
+
+		proc_run('php','include/deliver.php',$hash);
+		if($interval)
+			@time_sleep_until(microtime(true) + (float) $interval);
+	}
+
+
+}
\ No newline at end of file
-- 
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