From 28a35261dbc8c21e27ca4a449ff5cd6cb0501c8a Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Thu, 30 Oct 2014 19:15:03 -0700
Subject: What this checkin does is catch the case where a comment arrived and
 there's a missing top-level post to match it with. So we'll send a request
 back to the sender that you've never seen this thread and please send a fresh
 copy of the entire conversation to date. We could soon have posts in the
 matrix from different platforms from days gone by, which have been migrated
 into the modern world. We'll be polite and not deliver these to everybody.
 However, if someone comments on one of these antique threads we wouldn't be
 able to see it in our own matrix because we won't have a copy of the parent
 post. So this rectifies that situation. Be aware that item deletion may need
 to change to keep "hard deleted" items indefinitely so that they don't keep
 coming back. We'll have to null out the important data of the former item to
 accomplish the deletion aspect.

---
 include/notifier.php | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

(limited to 'include/notifier.php')

diff --git a/include/notifier.php b/include/notifier.php
index 79a6886ad..57494885a 100644
--- a/include/notifier.php
+++ b/include/notifier.php
@@ -58,6 +58,7 @@ require_once('include/html2plain.php');
  *       expire                 channel_id
  *       relay					item_id (item was relayed to owner, we will deliver it as owner)
  *       location               channel_id
+ *       request                channel_id            xchan_hash             message_id
  *
  */
 
@@ -142,6 +143,7 @@ function notifier_run($argv, $argc){
 
 
 	$expire = false;
+	$request = false;
 	$mail = false;
 	$fsuggest = false;
 	$top_level = false;
@@ -174,6 +176,23 @@ function notifier_run($argv, $argc){
 		if($s)
 			$channel = $s[0];
 
+	}
+	elseif($cmd === 'request') {
+		$channel_id = $item_id;
+		$xchan = $argv[3];
+		$request_message_id = $argv[4];
+
+		$s = q("select * from channel where channel_id = %d limit 1",
+			intval($channel_id)
+		);
+		if($s)
+			$channel = $s[0];
+
+		$private = true;
+		$recipients[] = $xchan;
+		$packet_type = 'request';
+		$normal_mode = false;
+
 	}
 	elseif($cmd === 'expire') {
 
@@ -550,6 +569,7 @@ function notifier_run($argv, $argc){
 				'mail' => $mail,
 				'location' => $location,
 				'fsuggest' => $fsuggest,
+				'request' => $request,
 				'normal_mode' => $normal_mode,
 				'packet_type' => $packet_type,
 				'walltowall' => $walltowall
@@ -579,6 +599,21 @@ function notifier_run($argv, $argc){
 				dbesc('')
 			);
 		}
+		elseif($packet_type === 'request') {
+			$n = zot_build_packet($channel,'request',$env_recips,$hub['hubloc_sitekey'],$hash,array('message_id' => $request_message_id));
+			q("insert into outq ( outq_hash, outq_account, outq_channel, outq_driver, outq_posturl, outq_async, outq_created, outq_updated, outq_notify, outq_msg ) values ( '%s', %d, %d, '%s', '%s', %d, '%s', '%s', '%s', '%s' )",
+				dbesc($hash),
+				intval($channel['channel_account_id']),
+				intval($channel['channel_id']),
+				dbesc('zot'),
+				dbesc($hub['hubloc_callback']),
+				intval(1),
+				dbesc(datetime_convert()),
+				dbesc(datetime_convert()),
+				dbesc($n),
+				dbesc('')
+			);
+		}
 		else {
 			$n = zot_build_packet($channel,'notify',$env_recips,(($private) ? $hub['hubloc_sitekey'] : null),$hash);
 			q("insert into outq ( outq_hash, outq_account, outq_channel, outq_driver, outq_posturl, outq_async, outq_created, outq_updated, outq_notify, outq_msg ) values ( '%s', %d, %d, '%s', '%s', %d, '%s', '%s', '%s', '%s' )",
-- 
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