OurSpace/app/Types/TypeOrderedCollection.php

50 lines
1.4 KiB
PHP

<?php
namespace App\Types;
class TypeOrderedCollection {
public $collection;
public $url;
public $page_size;
public function build_response_main ()
{
if (!isset ($this->collection) || !isset ($this->url)) {
return [];
}
$total_items = count ($this->collection);
$total_pages = ceil ($total_items / $this->page_size);
return [
"@context" => "https://www.w3.org/ns/activitystreams",
"id" => $this->url,
"type" => "OrderedCollection",
"totalItems" => $total_items,
"first" => $this->url . "?page=1",
"last" => $this->url . "?page=" . $total_pages,
];
}
public function build_response_for_page ($page)
{
$total_items = count ($this->collection);
$total_pages = ceil ($total_items / $this->page_size);
if ($page > $total_pages) {
return [];
}
$offset = ($page - 1) * $this->page_size;
$items = array_slice ($this->collection, $offset, $this->page_size);
return [
"@context" => "https://www.w3.org/ns/activitystreams",
"id" => $this->url . "?page=" . $page,
"type" => "OrderedCollectionPage",
"partOf" => $this->url,
"totalItems" => $total_items,
"orderedItems" => $items,
];
}
}