<?php
/*
 * ExerciseFolder.php - Vips exercise folder class for Stud.IP
 * Copyright (c) 2024  Elmar Ludwig
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 */

class ExerciseFolder extends StandardFolder
{
    public static function availableInRange(SimpleORMap|string $range_id_or_object, string $user_id): bool
    {
        return false;
    }

    public function isReadable(string $user_id): bool
    {
        $exercise = Exercise::find($this->range_id);

        foreach ($exercise->tests as $test) {
            foreach ($test->assignments as $assignment) {
                if ($assignment->checkEditPermission($user_id) ||
                    $assignment->checkViewPermission($user_id) &&
                    ($assignment->checkAccess($user_id) || $assignment->releaseStatus($user_id) >= 3)) {
                    return true;
                }
            }
        }

        return false;
    }

    public function isWritable(string $user_id): bool
    {
        $exercise = Exercise::find($this->range_id);

        foreach ($exercise->tests as $test) {
            foreach ($test->assignments as $assignment) {
                if ($assignment->checkEditPermission($user_id)) {
                    return true;
                }
            }
        }

        return false;
    }

    public function isEditable(string $user_id): bool
    {
        return false;
    }

    public function isSubfolderAllowed(string $user_id): bool
    {
        return false;
    }

    public function isFileDownloadable(FileRef $file_ref, string $user_id): bool
    {
        return $this->isReadable($user_id);
    }

    public function isFileEditable(FileRef $file_ref, string $user_id): bool
    {
        return $this->isWritable($user_id);
    }

    public function isFileWritable(FileRef $file_ref, string $user_id): bool
    {
        return $this->isWritable($user_id);
    }
}