nextcloud-server/apps/user_ldap/lib/Settings/Admin.php

<?php
/**
 * SPDX-FileCopyrightText: 2016 Nextcloud GmbH and Nextcloud contributors
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */
namespace OCA\User_LDAP\Settings;

use OCA\User_LDAP\Configuration;
use OCA\User_LDAP\Helper;
use OCP\AppFramework\Http\TemplateResponse;
use OCP\IL10N;
use OCP\Settings\IDelegatedSettings;
use OCP\Template;

class Admin implements IDelegatedSettings {
	/** @var IL10N */
	private $l;

	/**
	 * @param IL10N $l
	 */
	public function __construct(IL10N $l) {
		$this->l = $l;
	}

	/**
	 * @return TemplateResponse
	 */
	public function getForm() {
		$helper = new Helper(\OC::$server->getConfig(), \OC::$server->getDatabaseConnection());
		$prefixes = $helper->getServerConfigurationPrefixes();
		if (count($prefixes) === 0) {
			$newPrefix = $helper->getNextServerConfigurationPrefix();
			$config = new Configuration($newPrefix, false);
			$config->setConfiguration($config->getDefaults());
			$config->saveConfiguration();
			$prefixes[] = $newPrefix;
		}

		$hosts = $helper->getServerConfigurationHosts();

		$wControls = new Template('user_ldap', 'part.wizardcontrols');
		$wControls = $wControls->fetchPage();
		$sControls = new Template('user_ldap', 'part.settingcontrols');
		$sControls = $sControls->fetchPage();

		$parameters['serverConfigurationPrefixes'] = $prefixes;
		$parameters['serverConfigurationHosts'] = $hosts;
		$parameters['settingControls'] = $sControls;
		$parameters['wizardControls'] = $wControls;

		// assign default values
		if (!isset($config)) {
			$config = new Configuration('', false);
		}
		$defaults = $config->getDefaults();
		foreach ($defaults as $key => $default) {
			$parameters[$key . '_default'] = $default;
		}

		return new TemplateResponse('user_ldap', 'settings', $parameters);
	}

	/**
	 * @return string the section ID, e.g. 'sharing'
	 */
	public function getSection() {
		return 'ldap';
	}

	/**
	 * @return int whether the form should be rather on the top or bottom of
	 *             the admin section. The forms are arranged in ascending order of the
	 *             priority values. It is required to return a value between 0 and 100.
	 *
	 * E.g.: 70
	 */
	public function getPriority() {
		return 5;
	}

	public function getName(): ?string {
		return null; // Only one setting in this section
	}

	public function getAuthorizedAppConfig(): array {
		return []; // Custom controller
	}
}