From a5b3f4b2ba6873d7c87e41ec4e7341e188f2fd89 Mon Sep 17 00:00:00 2001
From: Adam Magness <adam.magness@gmail.com>
Date: Mon, 15 Jan 2018 19:28:39 -0500
Subject: [PATCH] Create Queue class
Create queue class and functions from queue_fn.php
---
src/Model/Queue.php | 87 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 87 insertions(+)
create mode 100644 src/Model/Queue.php
diff --git a/src/Model/Queue.php b/src/Model/Queue.php
new file mode 100644
index 0000000000..a551bee017
--- /dev/null
+++ b/src/Model/Queue.php
@@ -0,0 +1,87 @@
+<?php
+/**
+ * @file src/Model/Queue.php
+ */
+namespace Friendica\Model;
+
+use Friendica\Core\Config;
+use Friendica\Database\DBM;
+use dba;
+
+require_once 'include/dba.php';
+require_once 'include/datetime.php';
+
+class Queue
+{
+ function update_queue_time($id)
+ {
+ logger('queue: requeue item ' . $id);
+ dba::update('queue', ['last' => datetime_convert()], ['id' => $id]);
+ }
+
+ function remove_queue_item($id)
+ {
+ logger('queue: remove queue item ' . $id);
+ dba::delete('queue', ['id' => $id]);
+ }
+
+ /**
+ * @brief Checks if the communication with a given contact had problems recently
+ *
+ * @param int $cid Contact id
+ *
+ * @return bool The communication with this contact has currently problems
+ */
+ function was_recently_delayed($cid)
+ {
+ // Are there queue entries that were recently added?
+ $r = q("SELECT `id` FROM `queue` WHERE `cid` = %d
+ AND `last` > UTC_TIMESTAMP() - INTERVAL 15 MINUTE LIMIT 1",
+ intval($cid)
+ );
+
+ $was_delayed = DBM::is_result($r);
+
+ // We set "term-date" to a current date if the communication has problems.
+ // If the communication works again we reset this value.
+ if ($was_delayed) {
+ $r = q("SELECT `term-date` FROM `contact` WHERE `id` = %d AND `term-date` <= '1000-01-01' LIMIT 1",
+ intval($cid)
+ );
+ $was_delayed = !DBM::is_result($r);
+ }
+
+ return $was_delayed;
+ }
+
+
+ function add_to_queue($cid, $network, $msg, $batch = false)
+ {
+
+ $max_queue = Config::get('system', 'max_contact_queue');
+ if ($max_queue < 1) {
+ $max_queue = 500;
+ }
+
+ $batch_queue = Config::get('system', 'max_batch_queue');
+ if ($batch_queue < 1) {
+ $batch_queue = 1000;
+ }
+
+ $r = q("SELECT COUNT(*) AS `total` FROM `queue` INNER JOIN `contact` ON `queue`.`cid` = `contact`.`id`
+ WHERE `queue`.`cid` = %d AND `contact`.`self` = 0 ",
+ intval($cid)
+ );
+ if (DBM::is_result($r)) {
+ if ($batch && ($r[0]['total'] > $batch_queue)) {
+ logger('add_to_queue: too many queued items for batch server ' . $cid . ' - discarding message');
+ return;
+ } elseif ((! $batch) && ($r[0]['total'] > $max_queue)) {
+ logger('add_to_queue: too many queued items for contact ' . $cid . ' - discarding message');
+ return;
+ }
+ }
+
+ dba::insert('queue', ['cid' => $cid, 'network' => $network, 'created' => datetime_convert(), 'last' => datetime_convert(), 'content' => $msg, 'batch' =>($batch) ? 1 : 0]);
+ }
+}
--
2.39.5