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<?php
namespace Digitigrade\Model;
use Digitigrade\Db;
use Digitigrade\Model\HomeTimelineItem;
use Digitigrade\Notification\Notifyable;
use Digitigrade\Timeline\ReasonReshared;
use Digitigrade\Timeline\TimelineItem;
class Interaction extends PushableModel implements Notifyable {
public ?int $id;
public string $uri;
public \DateTimeImmutable $created;
public ?\DateTimeImmutable $modified;
public Actor $author;
public InteractionKind $kind;
public Note $target;
public array $extensions = [];
public static function create(Actor $author, InteractionKind $kind, Note $target) {
$inter = new self();
$inter->uri = "UNKNOWN";
$inter->created = new \DateTimeImmutable();
$inter->author = $author;
$inter->kind = $kind;
$inter->target = $target;
$inter->save();
$inter->uri = path_to_uri("/interaction/$inter->id");
$inter->save();
return $inter;
}
protected function getUpdateWhereClause(\PDO $db): ?string {
if (self::findWhere('uri = ?', [$this->uri]) != null)
return 'uri = ' . $db->quote($this->uri);
if (self::findWhere('id = ?', [$this->id]) != null)
return "id = $this->id";
return null;
}
protected function validate(): bool {
// author has to be from the same instance as the interaction itself
return hostname_from_uri($this->author->uri) == hostname_from_uri($this->uri);
}
protected function hydrate() {
$this->extensions = $this->findExtensions();
}
protected function dehydrate() {
$this->saveExtensions();
}
private function findExtensions() {
$pdo = Db::getInstance()->getPdo();
$stmt = $pdo->prepare('SELECT uri, data FROM interaction_extension WHERE interaction_id = ?');
$stmt->execute([$this->id]);
$items = [];
while ($row = $stmt->fetch()) {
$items[$row['uri']] = json_decode($row['data']);
}
return $items;
}
private function saveExtensions() {
$pdo = Db::getInstance()->getPdo();
foreach ($this->extensions as $uri => $obj) {
$stmt = $pdo->prepare(
'INSERT INTO interaction_extension(interaction_id, uri, data) VALUES (?, ?, ?) ' .
'ON CONFLICT (interaction_id, uri) DO UPDATE SET data = EXCLUDED.data'
);
$stmt->execute([$this->id, $uri, json_encode($obj)]);
}
}
public static function findAllWithAuthor(Actor $author): array {
return self::findAllWhere('author = ?', [$author->id]);
}
public static function findAllWithTarget(Note $target): array {
return self::findAllWhere('target = ?', [$target->id]);
}
protected function getRelevantServers(): array {
$instances = array_map(
fn(Actor $actor) => $actor->isLocal ? null : $actor->findHomeInstance(),
$this->author->findFollowers()
);
if (!$this->target->author->isLocal)
$instances[] = $this->target->author->findHomeInstance();
return array_unique($instances);
}
public function getNotificationTitle(): string {
return sprintf(__('notifications.interaction.' . $this->kind->value . '.title'), $this->author->displayName);
}
public function getNotificationTitleLink(): ?string {
return $this->target->getLocalUiHref();
}
public function getNotificationBody(): ?string {
return isset($this->target->summary) ? ('[' . $this->target->summary . ']') : $this->target->plainContent;
}
public function getNotificationImageUrl(): ?string {
return $this->author->avatar ?? '/static/default-avatar.png';
}
public function getNotificationImageLink(): ?string {
return $this->author->getLocalUiHref();
}
public function toJsonReference(): mixed {
return $this->id;
}
public static function fromJsonReference(mixed $reference): ?self {
return self::find($reference);
}
public function processTimelineAdditions() {
// basically, if this is a reshare, we need to put a home timeline item
// for all followers who can see the shared note
if ($this->kind != InteractionKind::RESHARE)
return;
$reason = new ReasonReshared($this->author);
$item = new TimelineItem($this->target, $reason);
foreach (array_merge($this->author->findFollowers(), [$this->author]) as $actor) {
if (!$actor->isLocal)
return;
$user = UserAccount::findByLinkedActor($actor);
if (!$this->target->isViewableBy($user))
return;
HomeTimelineItem::fromTimelineItem($item, $user)->save();
}
}
public function processNotifications() {
if (!$this->target->author->isLocal || $this->author == $this->target->author) {
return;
}
$recipient = UserAccount::findByLinkedActor($this->target->author);
Notification::fromNotifyable($this, $recipient)->send();
}
public function jsonSerialize(): array {
if ($this->deleted) {
return [
'type' => 'tombstone',
'self' => path_to_uri("/interaction/$this->id"),
'previousType' => 'interaction'
];
}
return [
'type' => 'interaction',
'self' => path_to_uri("/interaction/$this->id"),
'created' => $this->created->format('c'),
'modified' => $this->modified?->format('c'),
'author' => $this->author->uri,
'kind' => $this->kind->value,
'target' => $this->target->uri,
//'extensions' => []
];
}
}
|
