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|
<?php
namespace Forum\Service;
use Forum\Enum\SubscriptionNotificationType;
use Icon;
use PersonalNotifications;
use Forum\Discussion;
use Forum\Posting;
use Forum\Subscription;
use Forum\Topic;
use URLHelper;
class PostingNotification
{
protected Posting $posting;
protected Discussion $discussion;
protected Topic $topic;
public function __construct(Posting $posting)
{
$this->posting = $posting;
$this->topic = $posting->discussion->topic;
$this->discussion = $posting->discussion;
}
public function notifySubscribers(): void
{
$excludeUserId = null;
if ($this->posting->parent_id) {
$subscriber = $this->notifyParentPostAuthor();
if ($subscriber) {
$excludeUserId = $subscriber->user_id;
}
}
$subscribers = $this->getSubscribers($excludeUserId);
foreach ($subscribers as $subscriber) {
if ($subscriber->user_id === $this->posting->user_id || $subscriber->notification_type !== SubscriptionNotificationType::All->value) {
continue;
}
$this->sendNotifications($subscriber);
}
}
protected function getSubscribers($excludeUserId = null): array
{
$query = [
"range_id = :range_id AND subject_id IN (:subject_ids)",
[
'range_id' => $this->posting->range_id,
'subject_ids' => [$this->discussion->discussion_id, $this->topic->topic_id]
]
];
if ($excludeUserId) {
$query[0] .= " AND user_id != :user_id";
$query[1]['user_id'] = $excludeUserId;
}
$subscriptions = Subscription::findBySQL(...$query);
/**
* Allow only one subscription per user.
* 'discussion' subscription has priority over 'topic' subscription
*/
$filteredSubscriptions = [];
foreach ($subscriptions as $subscription) {
$userId = $subscription->user_id;
if (isset($filtered[$userId])) {
if ($filteredSubscriptions[$userId]->subject === 'discussion') {
continue;
}
// If current subscription is discussion, replace it with topic
if ($subscription->subject === 'discussion') {
$filteredSubscriptions[$userId] = $subscription;
}
continue;
}
$filteredSubscriptions[$userId] = $subscription;
}
return array_values($filteredSubscriptions);
}
protected function sendNotifications(Subscription $subscriber): void
{
$url = URLHelper::getURL('dispatch.php/course/forum/discussions/show/'.$this->discussion->discussion_id, ['cid' => $this->topic->range_id], true)."#post_" . $this->posting->posting_id;
$message = sprintf(
_('Es gibt einen neuen Beitrag zur Diskussion „%s“.'),
$this->discussion->title
);
PersonalNotifications::add(
$subscriber->user_id,
$url,
$message,
"post_" . $this->posting->posting_id,
Icon::create('reply')
);
}
protected function notifyParentPostAuthor(): ?Subscription
{
$parent = $this->posting->posting;
$subscriber = Subscription::findOneBySQL(
"range_id = :range_id AND subject_id IN (:subject_ids) AND user_id = :user_id AND notification_type != :notification_type ORDER BY subject",
[
'range_id' => $parent->range_id,
'subject_ids' => [$this->discussion->discussion_id, $this->topic->topic_id],
'user_id' => $parent->user_id,
'notification_type' => SubscriptionNotificationType::None->value
]
);
if ($subscriber && $subscriber->user_id !== $this->posting->user_id) {
\PersonalNotifications::add(
$subscriber->user_id,
\URLHelper::getURL('dispatch.php/course/forum/discussions/show/'.$this->posting->discussion_id, ['cid' => $this->topic->range_id], true)."#post_" . $this->posting->posting_id,
sprintf(
_('%s hat ihren Beitrag zur Diskussion „%s“ zitiert.'),
$this->posting->anonymous ? _('Jemand') : $this->posting->user->getFullName(),
$this->discussion->title
),
"post_" . $this->posting->posting_id,
\Icon::create('quote')
);
}
return $subscriber;
}
}
|
