draft users list

src/Controller/UserController.php

@@ -35,6 +35,96 @@ class UserController extends AbstractController
         );
     }
 
+    #[Route(
+        '/users',
+        name: 'user_list',
+        methods:
+        [
+            'GET'
+        ]
+    )]
+    public function list(
+        ?Request $request
+    ): Response
+    {
+        $list = [];
+
+        // Check client connection
+        if ($client = $this->_client())
+        {
+            // Check users database accessible
+            if ($namespace = $this->_namespace($client))
+            {
+                // Collect usernames
+                foreach ((array) $client->kevaFilter($namespace) as $user)
+                {
+                    // Check record valid
+                    if (empty($user['key']) || empty($user['height']))
+                    {
+                        continue;
+                    }
+
+                    // Skip values with meta keys
+                    if (str_starts_with($user['key'], '_'))
+                    {
+                        continue;
+                    }
+
+                    // Validate username regex
+                    if (!preg_match($this->getParameter('app.add.user.name.regex'), $user['key']))
+                    {
+                        continue;
+                    }
+
+                    $list[] =
+                    [
+                        'name'   => $user['key'],
+                        'height' => $user['height'],
+                    ];
+                }
+            }
+        }
+
+        // Sort by height
+        array_multisort(
+            array_column(
+                $list,
+                'height'
+            ),
+            SORT_ASC,
+            $list
+        );
+
+        // RSS
+        if ('rss' === $request->get('feed'))
+        {
+            $response = new Response();
+
+            $response->headers->set(
+                'Content-Type',
+                'text/xml'
+            );
+
+            return $this->render(
+                'default/user/list.rss.twig',
+                [
+                    'list'    => $list,
+                    'request' => $request
+                ],
+                $response
+            );
+        }
+
+        // HTML
+        return $this->render(
+            'default/user/list.html.twig',
+            [
+                'list'    => $list,
+                'request' => $request
+            ]
+        );
+    }
+
     #[Route(
         '/join',
         name: 'user_join',

templates/default/user/list.html.twig

@@ -0,0 +1,28 @@
+{% extends 'default/layout.html.twig' %}
+{% block head_title_content %}{{ 'Users' | trans }} - {{ app.name }}{% endblock %}
+{% block main_content %}
+    {% if list | length %}
+    <ul>
+        {% for user in list %}
+            <li>
+                <div>
+                    <strong>
+                        {{ user.name }}
+                    </strong>
+                    <i style="float:right">{# @TODO #}
+                        {#{{ 'at block' | trans }}#} {{ user.height }}
+                    </i>
+                </div>
+            </li>
+        {% endfor %}
+        </ul>
+    {% else %}
+        <ul>
+            <li>
+                <div>
+                    {{ 'users not found or database locked by new transaction' | trans }}
+                </div>
+            </li>
+        </ul>
+    {% endif %}
+{% endblock %}

templates/default/user/list.rss.twig

@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/">
+    <channel>
+        <atom:link href="{{ url('user_list') }}" rel="self" type="application/rss+xml"></atom:link>
+        <title>{{ 'Users' | trans }} - {{ app.name }}</title>
+        <link>{{ url('user_list') }}</link>
+        {% for user in list %}
+            <item>
+                <title>@{{ user.name }} {{ 'joined' | trans }} {{ app.name }}</title>
+                <guid>{{ url('user_list', { _fragment : user.name }) }}</guid>
+                <link>{{ url('user_list', { _fragment : user.name }) }}</link>
+                <description>{{ "Let's welcome" | trans }} @{{ user.name }}!</description>
+            </item>
+        {% endfor %}
+    </channel>
+</rss>