doogle/classes/SiteResultsProvider.php
2022-04-27 09:30:51 +01:00

86 lines
No EOL
2.1 KiB
PHP

<?php
class SiteResultsProvider
{
private $con;
public function __construct($con)
{
$this->con = $con;
}
public function getNumResults($term)
{
$query = $this->con->prepare("SELECT COUNT(*) as total
FROM sites WHERE title LIKE :term
OR url LIKE :term
OR keywords LIKE :term
OR description LIKE :term");
$searchTerm = "%". $term . "%";
$query->bindParam(":term", $searchTerm);
$query->execute();
$row = $query->fetch(PDO::FETCH_ASSOC);
return $row["total"];
}
public function getResultsHtml($page, $pageSize, $term)
{
/*
Pagination system logic ($fromLimit)
page1: (1 - 1) * 20 = 0
page2: (2 - 1) * 20 = 20
page3: (3 - 1) * 20 = 40
...
*/
$fromLimit = ($page - 1) * $pageSize;
$query = $this->con->prepare("SELECT *
FROM sites WHERE title LIKE :term
OR url LIKE :term
OR keywords LIKE :term
OR description LIKE :term
ORDER BY clicks DESC
LIMIT :fromLimit, :pageSize");
$searchTerm = "%". $term . "%";
$query->bindParam(":term", $searchTerm);
$query->bindParam(":fromLimit", $fromLimit, PDO::PARAM_INT);
$query->bindParam(":pageSize", $pageSize, PDO::PARAM_INT);
$query->execute();
$resultsHtml = "<div class='siteResults'>";
while($row = $query->fetch(PDO::FETCH_ASSOC))
{
$id = $row["id"];
$url = $row["url"];
$title = $row["title"];
$description = $row["description"];
$title = $this->trimField($title, 55);
$description = $this->trimField($description, 230);
$resultsHtml .= "<div class='resultContainer'>
<h3 class='title'>
<a class='result' href='$url' data-linkId='$id'>
$title
</a>
</h3>
<span class='url'>$url</span>
<span class='description'>$description</span>
</div>";
}
$resultsHtml .= "</div>";
return $resultsHtml;
}
private function trimField($string, $characterLimit)
{
$dots = strlen($string) > $characterLimit ? "..." : "";
return substr($string, 0, $characterLimit) . $dots;
}
}
?>