class.ilCalendarActions.php

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<?php

declare(strict_types=1);

class ilCalendarActions
{
    protected static ?ilCalendarActions $instance = null;

    protected ilCalendarCategories $cats;
    private int $user_id;

    protected function __construct()
    {
        global $DIC;

        $this->user_id = $DIC->user()->getId();
        $this->cats = ilCalendarCategories::_getInstance($this->user_id);
        if ($this->cats->getMode() == ilCalendarCategories::MODE_UNDEFINED) {
            throw new ilCalCategoriesNotInitializedException(
                "ilCalendarActions needs ilCalendarCategories to be initialized for user " . $this->user_id
            );
        }
    }

    public static function getInstance(): ilCalendarActions
    {
        if (!self::$instance instanceof self) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    public function checkSettingsCal(int $a_cat_id): bool
    {
        $info = $this->cats->getCategoryInfo($a_cat_id);
        return (bool) ($info['settings'] ?? false);
    }

    public function checkShareCal(int $a_cat_id): bool
    {
        $info = $this->cats->getCategoryInfo($a_cat_id);
        return
            ($info['type'] ?? 0) == ilCalendarCategory::TYPE_USR &&
            ($info['obj_id'] ?? '') == $this->user_id;
    }

    public function checkUnshareCal(int $a_cat_id): bool
    {
        $info = $this->cats->getCategoryInfo($a_cat_id);
        if ($info['accepted'] ?? false) {
            return true;
        }
        return false;
    }

    public function checkSynchronizeCal(int $a_cat_id): bool
    {
        $info = $this->cats->getCategoryInfo($a_cat_id);
        if ($info['remote'] ?? false) {
            return true;
        }
        return false;
    }

    public function checkAddEvent(int $a_cat_id): bool
    {
        $info = $this->cats->getCategoryInfo($a_cat_id);
        return $info['editable'] ?? false;
    }

    public function checkDeleteCal(int $a_cat_id): bool
    {
        $info = $this->cats->getCategoryInfo($a_cat_id);
        if (($info['type'] ?? 0) == ilCalendarCategory::TYPE_USR && ($info['obj_id'] ?? 0) == $this->user_id) {
            return true;
        }
        if (($info['type'] ?? 0) == ilCalendarCategory::TYPE_GLOBAL && ($info['settings'] ?? false)) {
            return true;
        }
        return false;
    }
}