mirror of
https://code.mensbeam.com/MensBeam/Arsse.git
synced 2024-12-23 09:02:41 +00:00
5cd84c4ab4
- Each parameter is checked for type and normalized - Interval strings are converted to DateInterval objects - Timeouts can be specified as interval strings - Most intervals can be null to signify infinity - Driver classes are checked that they implement the correct interface - Short driver names may be used, and are used by default - Helpful errors messages are printed in case of erroneous configuration Exporting is currently broken; this will be fixed in an upcoming commit
98 lines
3.2 KiB
PHP
98 lines
3.2 KiB
PHP
<?php
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/** @license MIT
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* Copyright 2017 J. King, Dustin Wilson et al.
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* See LICENSE and AUTHORS files for details */
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declare(strict_types=1);
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namespace JKingWeb\Arsse;
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use JKingWeb\Arsse\Misc\Date;
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class Service {
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const DRIVER_NAMES = [
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'serial' => \JKingWeb\Arsse\Service\Serial\Driver::class,
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'subprocess' => \JKingWeb\Arsse\Service\Subprocess\Driver::class,
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'curl' => \JKingWeb\Arsse\Service\Curl\Driver::class,
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];
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/** @var Service\Driver */
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protected $drv;
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/** @var \DateInterval */
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protected $interval;
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public static function driverList(): array {
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$sep = \DIRECTORY_SEPARATOR;
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$path = __DIR__.$sep."Service".$sep;
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$classes = [];
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foreach (glob($path."*".$sep."Driver.php") as $file) {
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$name = basename(dirname($file));
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$class = NS_BASE."User\\$name\\Driver";
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$classes[$class] = $class::driverName();
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}
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return $classes;
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}
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public function __construct() {
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$driver = Arsse::$conf->serviceDriver;
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$this->drv = new $driver();
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$this->interval = Arsse::$conf->serviceFrequency;
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}
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public function watch(bool $loop = true): \DateTimeInterface {
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$t = new \DateTime();
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do {
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$this->checkIn();
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static::cleanupPre();
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$list = Arsse::$db->feedListStale();
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if ($list) {
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$this->drv->queue(...$list);
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$this->drv->exec();
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$this->drv->clean();
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unset($list);
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}
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static::cleanupPost();
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$t->add($this->interval);
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if ($loop) {
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do {
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@time_sleep_until($t->getTimestamp());
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} while ($t->getTimestamp() > time());
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}
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} while ($loop);
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return $t;
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}
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public function checkIn(): bool {
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return Arsse::$db->metaSet("service_last_checkin", time(), "datetime");
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}
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public static function hasCheckedIn(): bool {
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$checkin = Arsse::$db->metaGet("service_last_checkin");
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// if the service has never checked in, return false
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if (!$checkin) {
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return false;
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}
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// convert the check-in timestamp to a DateTime instance
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$checkin = Date::normalize($checkin, "sql");
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// get the checking interval
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$int = Arsse::$conf->serviceFrequency;
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// subtract twice the checking interval from the current time to yield the earliest acceptable check-in time
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$limit = new \DateTime();
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$limit->sub($int);
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$limit->sub($int);
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// return whether the check-in time is within the acceptable limit
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return ($checkin >= $limit);
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}
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public static function cleanupPre(): bool {
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// mark unsubscribed feeds as orphaned and delete orphaned feeds that are beyond their retention period
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Arsse::$db->feedCleanup();
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// delete expired log-in sessions
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Arsse::$db->sessionCleanup();
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return true;
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}
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public static function cleanupPost(): bool {
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// delete old articles, according to configured threasholds
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return Arsse::$db->articleCleanup();
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}
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}
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