<?php
// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Site access administration panel
 *
 * @category  Settings
 * @package   GNUsocial
 * @author    Zach Copley <zach@status.net>
 * @copyright 2010 StatusNet, Inc.
 * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
 */

defined('GNUSOCIAL') || die();

/**
 * Administer site access settings
 *
 * @category  Admin
 * @package   GNUsocial
 * @author    Zach Copley <zach@status.net>
 * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
 */
class AccessadminpanelAction extends AdminPanelAction
{
    /**
     * Returns the page title
     *
     * @return string page title
     */
    public function title()
    {
        // TRANS: Page title for Access admin panel that allows configuring site access.
        return _('Access');
    }

    /**
     * Instructions for using this form.
     *
     * @return string instructions
     */
    public function getInstructions()
    {
        // TRANS: Page notice.
        return _('Site access settings');
    }

    /**
     * Show the site admin panel form
     *
     * @return void
     */
    public function showForm()
    {
        $form = new AccessAdminPanelForm($this);
        $form->show();
        return;
    }

    /**
     * Save settings from the form
     *
     * @return void
     */
    public function saveSettings()
    {
        static $booleans = array('site' => array('private', 'inviteonly', 'closed'),
                                 'public' => array('localonly'));

        foreach ($booleans as $section => $parts) {
            foreach ($parts as $setting) {
                $values[$section][$setting] = ($this->boolean($setting)) ? 1 : 0;
            }
        }

        $config = new Config();

        $config->query('START TRANSACTION');

        foreach ($booleans as $section => $parts) {
            foreach ($parts as $setting) {
                Config::save($section, $setting, $values[$section][$setting]);
            }
        }

        $config->query('COMMIT');

        return;
    }
}

class AccessAdminPanelForm extends AdminForm
{
    /**
     * ID of the form
     *
     * @return int ID of the form
     */
    public function id()
    {
        return 'form_site_admin_panel';
    }

    /**
     * class of the form
     *
     * @return string class of the form
     */
    public function formClass()
    {
        return 'form_settings';
    }

    /**
     * Action of the form
     *
     * @return string URL of the action
     */
    public function action()
    {
        return common_local_url('accessadminpanel');
    }

    /**
     * Data elements of the form
     *
     * @return void
     */
    public function formData()
    {
        $this->out->elementStart('fieldset', array('id' => 'settings_admin_account_access'));
        // TRANS: Form legend for registration form.
        $this->out->element('legend', null, _('Registration'));
        $this->out->elementStart('ul', 'form_data');

        $this->li();
        // TRANS: Checkbox instructions for admin setting "Invite only".
        $instructions = _('Make registration invitation only.');
        // TRANS: Checkbox label for configuring site as invite only.
        $this->out->checkbox(
            'inviteonly',
            _('Invite only'),
            (bool) $this->value('inviteonly'),
            $instructions
        );
        $this->unli();

        $this->li();
        // TRANS: Checkbox instructions for admin setting "Closed" (no new registrations).
        $instructions = _('Disable new registrations.');
        // TRANS: Checkbox label for disabling new user registrations.
        $this->out->checkbox(
            'closed',
            _('Closed'),
            (bool) $this->value('closed'),
            $instructions
        );
        $this->unli();

        $this->out->elementEnd('ul');
        $this->out->elementEnd('fieldset');


        // Public access settings (login requirements for feeds etc.)
        $this->out->elementStart('fieldset', ['id' => 'settings_admin_public_access']);
        // TRANS: Form legend for registration form.
        $this->out->element('legend', null, _('Feed access'));
        $this->out->elementStart('ul', 'form_data');
        $this->li();
        // TRANS: Checkbox instructions for admin setting "Private".
        $instructions = _('Prohibit anonymous users (not logged in) from viewing site?');
        // TRANS: Checkbox label for prohibiting anonymous users from viewing site.
        $this->out->checkbox(
            'private',
            _m('LABEL', 'Private'),
            (bool) $this->value('private'),
            $instructions
        );
        $this->unli();

        $this->li();
        // TRANS: Description of the full network notice stream views..
        $instructions = _('The full network view includes (public) remote notices which may be unrelated to local conversations.');
        // TRANS: Checkbox label for hiding remote network posts if they have not been interacted with locally.
        $this->out->checkbox(
            'localonly',
            _('Restrict full network view to accounts'),
            (bool) $this->value('localonly', 'public'),
            $instructions
        );
        $this->unli();

        $this->out->elementEnd('ul');
        $this->out->elementEnd('fieldset');
    }

    /**
     * Action elements
     *
     * @return void
     */
    public function formActions()
    {
        // TRANS: Button title to save access settings in site admin panel.
        $title = _('Save access settings.');
        // TRANS: Button text to save access settings in site admin panel.
        $this->out->submit('submit', _m('BUTTON', 'Save'), 'submit', null, $title);
    }
}