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administrator/components/com_users/src/Extension/UsersComponent.php

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+<?php
+
+/**
+ * @package     Joomla.Administrator
+ * @subpackage  com_users
+ *
+ * @copyright   (C) 2018 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+namespace Joomla\Component\Users\Administrator\Extension;
+
+use Joomla\CMS\Component\Router\RouterServiceInterface;
+use Joomla\CMS\Component\Router\RouterServiceTrait;
+use Joomla\CMS\Extension\BootableExtensionInterface;
+use Joomla\CMS\Extension\MVCComponent;
+use Joomla\CMS\Factory;
+use Joomla\CMS\Fields\FieldsServiceInterface;
+use Joomla\CMS\HTML\HTMLRegistryAwareTrait;
+use Joomla\Component\Users\Administrator\Service\HTML\Users;
+use Psr\Container\ContainerInterface;
+
+// phpcs:disable PSR1.Files.SideEffects
+\defined('_JEXEC') or die;
+// phpcs:enable PSR1.Files.SideEffects
+
+/**
+ * Component class for com_users
+ *
+ * @since  4.0.0
+ */
+class UsersComponent extends MVCComponent implements BootableExtensionInterface, RouterServiceInterface, FieldsServiceInterface
+{
+    use RouterServiceTrait;
+    use HTMLRegistryAwareTrait;
+
+    /**
+     * Booting the extension. This is the function to set up the environment of the extension like
+     * registering new class loaders, etc.
+     *
+     * If required, some initial set up can be done from services of the container, eg.
+     * registering HTML services.
+     *
+     * @param   ContainerInterface  $container  The container
+     *
+     * @return  void
+     *
+     * @since   4.0.0
+     */
+    public function boot(ContainerInterface $container)
+    {
+        $this->getRegistry()->register('users', new Users());
+    }
+
+    /**
+     * Returns a valid section for the given section. If it is not valid then null is returned.
+     *
+     * @param   string       $section  The section to get the mapping for
+     * @param   object|null  $item     The content item or null
+     *
+     * @return  string|null  The new section or null
+     *
+     * @since   4.0.0
+     */
+    public function validateSection($section, $item = null)
+    {
+        if (Factory::getApplication()->isClient('site')) {
+            switch ($section) {
+                case 'registration':
+                case 'profile':
+                    return 'user';
+            }
+        }
+
+        if ($section === 'user') {
+            return $section;
+        }
+
+        // We don't know other sections.
+        return null;
+    }
+
+    /**
+     * Returns valid contexts.
+     *
+     * @return  array  Associative array with contexts as keys and translated strings as values
+     *
+     * @since   4.0.0
+     */
+    public function getContexts(): array
+    {
+        $language = Factory::getApplication()->getLanguage();
+        $language->load('com_users', JPATH_ADMINISTRATOR);
+
+        return [
+            'com_users.user' => $language->_('COM_USERS'),
+        ];
+    }
+}