fipamo/app/Services/Data/PaginateService.php

91 lines
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<?php
namespace App\Services\Data;
use function _\filter;
class PaginateService
{
protected $content;
public function __construct(ContentService $contentService)
{
$this->content = $contentService;
}
public function getPage(int $page, int $limit, string $sort = null)
{
$content = $this->content->loadAllPages();
$published = filter($content, function ($item) {
return $item['published'] == true && $item['deleted'] == false;
});
$deleted = filter($content, function ($item) {
return $item['deleted'] == true;
});
// $all = $content;
$all = filter($content, function ($item) {
return $item['deleted'] == false;
});
$filter = isset($sort) ? $sort : 'all';
switch ($filter) {
case 'published':
$filtered = $published;
break;
case 'deleted':
$filtered = $deleted;
break;
default:
$filtered = $all;
break;
}
$numOfPages = ceil(count($filtered) / ($limit + 1));
$folder = [];
if (count($filtered) != 0) {
if (count($filtered) < $limit) {
$limit = count($filtered) - 1;
}
$range = $page * $limit - $limit;
if ($range != 0) {
$range = $range + 1;
}
for ($i = 0; $i <= $limit; ++$i) {
if (isset($filtered[$i + $range])) {
array_push($folder, $filtered[$i + $range]);
} else {
// chill out
}
}
}
$prev = $page - 1;
if ($prev <= 0) {
$prev = $numOfPages;
}
$next = $page + 1;
if ($next > $numOfPages) {
$next = 1;
}
return [
'pages' => $folder,
'numOfPages' => $numOfPages,
'entryCount' => count($filtered),
'paginate' => [
'sort' => $sort,
'nextPage' => $next,
'prevPage' => $prev,
],
'stats' => [
'all' => count($all),
'published' => count($published),
'deleted' => count($deleted),
],
];
}
}