class.ilUserSettingsConfig.php

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<?php

class ilUserSettingsConfig
{
    public const HIDE_PREFIX = "usr_settings_hide_";
    public const DISABLED_PREFIX = "usr_settings_disable_";
    protected array $setting;
    protected ?ilSetting $settings;

    public function __construct(
        ilSetting $settings = null
    ) {
        global $DIC;

        $this->settings = (is_null($settings))
            ? $DIC->settings()
            : $settings;
        $this->setting = $this->settings->getAll();
    }

    public function isVisibleAndChangeable(
        string $field
    ): bool {
        return $this->isVisible($field) && $this->isChangeable($field);
    }

    public function isVisible(
        string $field
    ): bool {
        return (!(isset($this->setting[self::HIDE_PREFIX . $field]) &&
            $this->setting[self::HIDE_PREFIX . $field] == 1));
    }

    public function isChangeable(
        string $field
    ): bool {
        return (!(isset($this->setting[self::DISABLED_PREFIX . $field]) &&
            $this->setting[self::DISABLED_PREFIX . $field] == 1));
    }

    public function setVisible(string $field, bool $visible): void
    {
        if (!$visible) {
            $this->settings->set(self::HIDE_PREFIX . $field, "1");
            $this->setting[self::HIDE_PREFIX . $field] = 1;
        } else {
            $this->settings->delete(self::HIDE_PREFIX . $field);
            unset($this->setting[self::HIDE_PREFIX . $field]);
        }
    }

    public function setChangeable(string $field, bool $changeable): void
    {
        if (!$changeable) {
            $this->settings->set(self::DISABLED_PREFIX . $field, "1");
            $this->setting[self::DISABLED_PREFIX . $field] = 1;
        } else {
            $this->settings->delete(self::DISABLED_PREFIX . $field);
            unset($this->setting[self::DISABLED_PREFIX . $field]);
        }
    }
}