108 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			108 lines
		
	
	
	
		
			2.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * @file src/Model/Queue.php
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 */
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namespace Friendica\Model;
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use Friendica\Core\Config;
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use Friendica\Database\DBM;
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use Friendica\Util\DateTimeFormat;
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use dba;
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require_once 'include/dba.php';
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class Queue
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{
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	/**
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	 * @param string $id id
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	 */
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	public static function updateTime($id)
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	{
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		logger('queue: requeue item ' . $id);
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		dba::update('queue', ['last' => DateTimeFormat::utcNow()], ['id' => $id]);
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	}
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	/**
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	 * @param string $id id
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	 */
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	public static function removeItem($id)
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	{
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		logger('queue: remove queue item ' . $id);
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		dba::delete('queue', ['id' => $id]);
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	}
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	/**
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	 * @brief Checks if the communication with a given contact had problems recently
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	 *
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	 * @param int $cid Contact id
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	 *
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	 * @return bool The communication with this contact has currently problems
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	 */
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	public static function wasDelayed($cid)
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	{
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		// Are there queue entries that were recently added?
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		$r = q("SELECT `id` FROM `queue` WHERE `cid` = %d
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			AND `last` > UTC_TIMESTAMP() - INTERVAL 15 MINUTE LIMIT 1",
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			intval($cid)
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		);
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		$was_delayed = DBM::is_result($r);
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		// We set "term-date" to a current date if the communication has problems.
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		// If the communication works again we reset this value.
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		if ($was_delayed) {
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			$r = q("SELECT `term-date` FROM `contact` WHERE `id` = %d AND `term-date` <= '1000-01-01' LIMIT 1",
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				intval($cid)
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			);
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			$was_delayed = !DBM::is_result($r);
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		}
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		return $was_delayed;
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	}
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	/**
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	 * @param string  $cid     cid
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	 * @param string  $network network
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	 * @param string  $msg     message
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	 * @param boolean $batch   batch, default false
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	 */
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	public static function add($cid, $network, $msg, $batch = false, $guid = '')
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	{
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		$max_queue = Config::get('system', 'max_contact_queue');
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		if ($max_queue < 1) {
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			$max_queue = 500;
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		}
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		$batch_queue = Config::get('system', 'max_batch_queue');
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		if ($batch_queue < 1) {
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			$batch_queue = 1000;
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		}
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		$r = q("SELECT COUNT(*) AS `total` FROM `queue` INNER JOIN `contact` ON `queue`.`cid` = `contact`.`id`
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			WHERE `queue`.`cid` = %d AND `contact`.`self` = 0 ",
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			intval($cid)
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		);
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		if (DBM::is_result($r)) {
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			if ($batch &&  ($r[0]['total'] > $batch_queue)) {
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				logger('too many queued items for batch server ' . $cid . ' - discarding message');
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				return;
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			} elseif ((! $batch) && ($r[0]['total'] > $max_queue)) {
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				logger('too many queued items for contact ' . $cid . ' - discarding message');
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				return;
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			}
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		}
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		dba::insert('queue', [
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			'cid'     => $cid,
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			'network' => $network,
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			'guid'     => $guid,
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			'created' => DateTimeFormat::utcNow(),
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			'last'    => DateTimeFormat::utcNow(),
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			'content' => $msg,
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			'batch'   =>($batch) ? 1 : 0
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		]);
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		logger('Added item ' . $guid . ' for ' . $cid);
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	}
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}
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