68 lines
1.8 KiB
PHP
68 lines
1.8 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace Pdahal\Xmpp\Xml\Stanzas;
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class Presence extends Stanza
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{
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public const PRIORITY_UPPER_BOUND = 127;
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public const PRIORITY_LOWER_BOUND = -128;
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public function subscribe(string $to): void
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{
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$this->setPresence($to, 'subscribe');
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}
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public function unsubscribe(string $from): void
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{
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$this->setPresence($from, 'unsubscribe');
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}
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public function acceptSubscription(string $from): void
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{
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$this->setPresence($from, 'subscribed');
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}
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public function declineSubscription(string $from): void
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{
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$this->setPresence($from, 'unsubscribed');
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}
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protected function setPresence(string $to, string $type = "subscribe"): void
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{
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$xml = "<presence from='{$this->socket->getOptions()->bareJid()}' to='{$to}' type='{$type}'/>";
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$this->socket->send($xml);
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}
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/**
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* Set priority to current resource by default, or optional other resource tied to the
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* current username
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* @param string|null $forResource
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*/
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public function setPriority(int $value, string $forResource = null): void
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{
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$from = self::quote($this->socket->getOptions()->fullJid());
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if ($forResource) {
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$from = $this->socket->getOptions()->getUsername() . "/$forResource";
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}
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$priority = "<priority>{$this->limitPriority($value)}</priority>";
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$xml = "<presence from='{$from}'>{$priority}</presence>";
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$this->socket->send($xml);
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}
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protected function limitPriority(int $value): int
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{
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if ($value > self::PRIORITY_UPPER_BOUND) {
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return self::PRIORITY_UPPER_BOUND;
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} elseif ($value < self::PRIORITY_LOWER_BOUND) {
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return self::PRIORITY_LOWER_BOUND;
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}
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return $value;
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}
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}
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