mirror of
https://code.mensbeam.com/MensBeam/Arsse.git
synced 2024-12-22 21:22:40 +00:00
72 lines
No EOL
2.2 KiB
PHP
72 lines
No EOL
2.2 KiB
PHP
<?php
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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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/** @var Service\Driver */
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protected $drv;
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/** @var \DateInterval */
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protected $interval;
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protected static function interval(): \DateInterval {
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return new \DateInterval(Arsse::$conf->serviceFrequency); // FIXME: this needs to fall back in case of incorrect input
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}
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function __construct() {
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$driver = Arsse::$conf->serviceDriver;
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$this->drv = new $driver();
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$this->interval = static::interval();
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}
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function watch(bool $loop = true) {
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$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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echo date("H:i:s")." Updating feeds ".json_encode($list)."\n";
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$this->drv->queue(...$list);
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$this->drv->exec();
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$this->drv->clean();
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static::cleanupPost();
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}
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$t->add($this->interval);
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do {
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@time_sleep_until($t->getTimestamp());
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} while($t->getTimestamp() > time());
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} while($loop);
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}
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function checkIn(): bool {
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return Arsse::$db->metaSet("service_last_checkin", time(), "datetime");
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}
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static function hasCheckedIn(): bool {
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$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) return false;
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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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$int = static::interval();
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// subtract twice the checking interval from the current time to the earliest acceptable check-in time
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$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 less than the acceptable limit
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return ($checkin < $limit);
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}
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static function cleanupPre(): bool {
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// TODO: stub
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return true;
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}
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static function cleanupPost():bool {
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// TODO: stub
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return true;
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}
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} |