MyShaarli/application/bookmark/SearchResult.php

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2023-05-24 11:35:15 +02:00
<?php
declare(strict_types=1);
namespace Shaarli\Bookmark;
/**
* Read-only class used to represent search result, including pagination.
*/
class SearchResult
{
/** @var Bookmark[] List of result bookmarks with pagination applied */
protected $bookmarks;
/** @var int number of Bookmarks found, with pagination applied */
protected $resultCount;
/** @var int total number of result found */
protected $totalCount;
/** @var int pagination: limit number of result bookmarks */
protected $limit;
/** @var int pagination: offset to apply to complete result list */
protected $offset;
public function __construct(array $bookmarks, int $totalCount, int $offset, ?int $limit)
{
$this->bookmarks = $bookmarks;
$this->resultCount = count($bookmarks);
$this->totalCount = $totalCount;
$this->limit = $limit;
$this->offset = $offset;
}
/**
* Build a SearchResult from provided full result set and pagination settings.
*
* @param Bookmark[] $bookmarks Full set of result which will be filtered
* @param int $offset Start recording results from $offset
* @param int|null $limit End recording results after $limit bookmarks is reached
* @param bool $allowOutOfBounds Set to false to display the last page if the offset is out of bound,
* return empty result set otherwise (default: false)
*
* @return SearchResult
*/
public static function getSearchResult(
$bookmarks,
int $offset = 0,
?int $limit = null,
bool $allowOutOfBounds = false
): self {
$totalCount = count($bookmarks);
if (!$allowOutOfBounds && $offset > $totalCount) {
$offset = $limit === null ? 0 : $limit * -1;
}
if ($bookmarks instanceof BookmarkArray) {
$buffer = [];
foreach ($bookmarks as $key => $value) {
$buffer[$key] = $value;
}
$bookmarks = $buffer;
}
return new static(
array_slice($bookmarks, $offset, $limit, true),
$totalCount,
$offset,
$limit
);
}
/** @return Bookmark[] List of result bookmarks with pagination applied */
public function getBookmarks(): array
{
return $this->bookmarks;
}
/** @return int number of Bookmarks found, with pagination applied */
public function getResultCount(): int
{
return $this->resultCount;
}
/** @return int total number of result found */
public function getTotalCount(): int
{
return $this->totalCount;
}
/** @return int pagination: limit number of result bookmarks */
public function getLimit(): ?int
{
return $this->limit;
}
/** @return int pagination: offset to apply to complete result list */
public function getOffset(): int
{
return $this->offset;
}
/** @return int Current page of result set in complete results */
public function getPage(): int
{
if (empty($this->limit)) {
return $this->offset === 0 ? 1 : 2;
}
$base = $this->offset >= 0 ? $this->offset : $this->totalCount + $this->offset;
return (int) ceil($base / $this->limit) + 1;
}
/** @return int Get the # of the last page */
public function getLastPage(): int
{
if (empty($this->limit)) {
return $this->offset === 0 ? 1 : 2;
}
return (int) ceil($this->totalCount / $this->limit);
}
/** @return bool Either the current page is the last one or not */
public function isLastPage(): bool
{
return $this->getPage() === $this->getLastPage();
}
/** @return bool Either the current page is the first one or not */
public function isFirstPage(): bool
{
return $this->offset === 0;
}
}