Files
SWE/webseite/classes/TopicData.php
2024-10-28 18:57:59 +01:00

88 lines
2.2 KiB
PHP

<?php
require_once("Util.php");
class TopicData
{
public string $id;
public string $subjectId;
public string $displayName;
public string $icon;
public string $description;
public array $relatedTopics;
public array $files;
public string $article;
public static function getAll($subjectName) : array
{
$result = array();
$topicDirectory = "config/subjects/$subjectName/topics";
$topicNames = scandir($topicDirectory);
foreach ($topicNames as $topicName) {
if ($topicName == "." || $topicName == "..") {
continue;
}
$topicData = TopicData::fromName($subjectName, $topicName);
if(!isset($topicData)) {
continue;
}
$result[] = $topicData;
}
return $result;
}
public static function fromName($subjectName, $topicName): TopicData|null
{
$result = new TopicData();
$subjectName = Util::removeIllegalCharacters($subjectName);
$topicName = Util::removeIllegalCharacters($topicName);
$topicDirectory = "config/subjects/$subjectName/topics";
$filename = "$topicDirectory/$topicName/properties.json";
$data = Util::parseJsonFromFile($filename);
$result->id = $topicName;
$result->subjectId = $subjectName;
if(isset($data->displayName)) {
$result->displayName = $data->displayName;
} else {
return null;
}
if(isset($data->icon)) {
$result->icon = $data->icon;
} else {
return null;
}
if(isset($data->description)) {
$result->description = $data->description;
} else {
return null;
}
if(isset($data->relatedTopics)) {
$result->relatedTopics = $data->relatedTopics;
} else {
$result->relatedTopics = array();
}
if(isset($data->files)) {
$result->files = $data->files;
} else {
$result->files = array();
}
if(isset($data->article)) {
$result->article = $data->article;
} else {
return null;
}
return $result;
}
}