class.ilMediaCastSettings.php

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<?php
 
use ILIAS\FileUpload\MimeType;
 
class ilMediaCastSettings
{
    private array $supported_suffixes = ["mp4", "mp3", "webm", "jpg", "jpeg", "png", "gif", "svg"];
    private array $supported_mime_types = [
        "video/mp4" => "video/mp4",
        "video/webm" => "video/webm",
        "audio/mpeg" => "audio/mpeg",
        "image/jpeg" => "image/jpeg",
        "image/png" => "image/png",
        "image/gif" => "image/gif",
        "image/svg+xml" => "image/svg+xml"
    ];
 
 
    private static ?self $instance = null;
    private string $defaultAccess = "users";
    private array $purposeSuffixes = array();
    private array $mimeTypes = array();
    protected ilSetting $storage;
    protected int $video_threshold = 0;
 
    private function __construct()
    {
        $this->initStorage();
        $this->read();
    }
 
    public static function _getInstance(): self
    {
        if (self::$instance) {
            return self::$instance;
        }
        return self::$instance = new ilMediaCastSettings();
    }
 
    public function setPurposeSuffixes(array $purpose_filetypes): void
    {
        $this->purposeSuffixes = $purpose_filetypes;
    }
 
    public function getPurposeSuffixes(): array
    {
        return $this->purposeSuffixes;
    }
 
    public function getDefaultAccess(): string
    {
        return $this->defaultAccess;
    }
 
    public function setDefaultAccess(string $value): void
    {
        $this->defaultAccess = $value === "users" ? "users" : "public";
    }
 
    public function getMimeTypes(): array
    {
        return $this->mimeTypes;
    }
 
    public function setMimeTypes(array $mimeTypes): void
    {
        $this->mimeTypes = $mimeTypes;
    }
 
    public function setVideoCompletionThreshold(int $a_val): void
    {
        $this->video_threshold = $a_val;
    }
 
    public function getVideoCompletionThreshold(): int
    {
        return $this->video_threshold;
    }
 
    public function save(): void
    {
        foreach ($this->purposeSuffixes as $purpose => $filetypes) {
            $this->storage->set($purpose . "_types", implode(",", $filetypes));
        }
        $this->storage->set("defaultaccess", $this->defaultAccess);
        $this->storage->set("video_threshold", $this->video_threshold);
        $this->storage->set("mimetypes", implode(",", $this->getMimeTypes()));
    }
 
    private function read(): void
    {
        foreach ($this->purposeSuffixes as $purpose => $filetypes) {
            if ($this->storage->get($purpose . "_types") != false) {
                $sf = explode(",", $this->storage->get($purpose . "_types"));
                $sf = array_filter($sf, function ($c) {
                    return in_array($c, $this->supported_suffixes);
                });
                $this->purposeSuffixes[$purpose] = $sf;
            }
        }
        $this->setDefaultAccess((string) $this->storage->get("defaultaccess"));
        $this->setVideoCompletionThreshold((int) $this->storage->get("video_threshold"));
        if ($this->storage->get("mimetypes")) {
            $mt = explode(",", $this->storage->get("mimetypes"));
            $mt = array_filter($mt, function ($c) {
                return in_array($c, $this->supported_mime_types);
            });
 
            $this->setMimeTypes($mt);
        }
    }
 
    private function initStorage(): void
    {
        $this->storage = new ilSetting('mcst');
        $this->purposeSuffixes = array_flip(ilObjMediaCast::$purposes);
 
        $this->purposeSuffixes["Standard"] = $this->supported_suffixes;
        $this->setDefaultAccess("users");
        $mimeTypes = array_unique(array_values(MimeType::getExt2MimeMap()));
        sort($mimeTypes);
        $this->setMimeTypes($this->supported_mime_types);
    }
}