// Step1: this is the processing code
$videoUploadData = new VideoUploadData(
                        $_FILES["fileInput"],
                        $_POST["titleInput"],
                        $_POST["descriptionInput"],
                        $_POST["privacyInput"],
                        $_POST["categoryInput"],
                        "REPLACE-THIS"
                    );

$videoProcessor = new VideoProcessor($con);
$wasSuccessful = $videoProcessor->upload($videoUploadData);

// Step2: this code creates the class VideoUploadData

class VideoUploadData {

public $videoDataArray, $title, $description, $privacy, $category, $uploadedBy;

public function __construct($videoDataArray, $title, $description, $privacy, $category, $uploadedBy) {
    $this->videoDataArray = $videoDataArray;
    $this->title = $title;
    $this->description = $description;
    $this->privacy = $privacy;
    $this->category = $category;
    $this->uploadedBy = $uploadedBy;
}

}

// Step 3: this code creates the database upload

class VideoProcessor {

private $con;

public function __construct($con) {
    $this->con = $con;
 }

public function upload($videoUploadData) {

    $targetDir = "uploads/videos/";
    $videoData = $videoUploadData->videoDataArray;

    $tempFilePath = $targetDir . uniqid() . basename($videoData["name"]);

    if(move_uploaded_file($videoData["tmp_name"], $tempFilePath)) {

        $finalFilePath = $targetDir . uniqid() . ".mp4";

        if(!$this->insertVideoData($videoUploadData, $finalFilePath)) {
            echo "Insert query failed";
            return false;
        }

    }
}

private function insertVideoData($uploadData, $filePath) {


    $query = $this->con->prepare("INSERT INTO `videos` (`uploadedBy`, `title`, `description`, `privacy`, `filePath`, `category`)
                                    VALUES (:uploadedBy, :title, :description, :privacy, :filePath, :category)");

    $query->bindParam(":uploadedBy", $uploadData->uploadedBy);
    $query->bindParam(":title", $uploadData->title);
    $query->bindParam(":description", $uploadData->description);
    $query->bindParam(":privacy", $uploadData->privacy);
    $query->bindParam(":filePath", $filePath);
    $query->bindParam(":category", $uploadData->category);

    return $query->execute();
}