diff --git a/src/Controller/AddressBook.php b/src/Controller/AddressBook.php
index 2a2e0ba..8fba3a9 100644
--- a/src/Controller/AddressBook.php
+++ b/src/Controller/AddressBook.php
@@ -3,12 +3,38 @@
 namespace App\Controller;
 
 use App\Service\Template;
-use stdClass;
 
-class AddressBook extends stdClass
+class AddressBook
 {
-    public function __construct(Template $template)
+    public function __construct(private readonly Template $template)
     {
-        $template->render(templateName: 'index.tpl');
     }
+
+    public function main(): void
+    {
+        try {
+            $this->template->render(templateName: 'index.tpl');
+        } catch (\Exception $e) {
+            die($e->getMessage());
+        }
+
+    }
+    public function admin(string $command = '')
+    {
+        try {
+            $this->template->render(templateName: 'admin/index.tpl');
+        } catch (\Exception $e) {
+            die($e->getMessage());
+        }
+    }
+
+    public function login()
+    {
+        try {
+            $this->template->render(templateName: 'admin/index.tpl');
+        } catch (\Exception $e) {
+            die($e->getMessage());
+        }
+    }
+
 }
\ No newline at end of file
diff --git a/src/Entity/User.php b/src/Entity/User.php
index 29dfd52..cc21b3e 100644
--- a/src/Entity/User.php
+++ b/src/Entity/User.php
@@ -9,9 +9,10 @@ class User
         private string $password,
         private string $first = '',
         private string $last = '',
-        private int $id = 0
+        private int    $id = 0,
+        private bool   $isAdmin = false
     )
-        {
-            // empty body
-        }
+    {
+        // empty body
+    }
 }
\ No newline at end of file
diff --git a/src/Repository/UserRepository.php b/src/Repository/UserRepository.php
new file mode 100644
index 0000000..cd559dd
--- /dev/null
+++ b/src/Repository/UserRepository.php
@@ -0,0 +1,255 @@
+<?php
+
+namespace App\Repository;
+
+use App\Service\Config;
+use App\Service\DatabaseConnection;
+use App\Entity\User;
+use PDO;
+use PDOException;
+
+/**
+ *
+ */
+class DomainRepository
+{
+    public function __construct(
+        private readonly DatabaseConnection $databaseConnection,
+        private readonly Config             $configController)
+    {
+        // empty body
+    }
+
+
+    /**
+     * @return array
+     */
+    public function findAll(): array
+    {
+        $users = [];
+        $sql = "
+            SELECT id, nick, first, last, is_admin
+            FROM " . DatabaseConnection::TABLE_USERS . "
+            ORDER BY name";
+
+        try {
+            $statement = $this->databaseConnection->getConnection()->prepare(query: $sql);
+            $statement->execute();
+            while ($result = $statement->fetch(mode: PDO::FETCH_ASSOC)) {
+                $domain = new Domain(name: $result['name'], panel: $result['panel'], id: $result['id']);
+                $domains[] = $domain;
+            }
+            return $domains;
+        } catch (PDOException $e) {
+            exit($e->getMessage());
+        }
+    }
+
+
+    /**
+     * @param int $id
+     *
+     * @return bool|\App\Entity\Domain
+     */
+    public function findByID(int $id): bool|Domain
+    {
+        $this->logger->debug(message: "findById($id)");
+
+        $sql = "
+			SELECT id, name, panel
+			FROM . " . DatabaseConnection::TABLE_DOMAINS . "
+            WHERE id = :id";
+
+        try {
+            $statement = $this->databaseConnection->getConnection()->prepare(query: $sql);
+            $statement->bindParam(param: ':id', var: $id);
+            $statement->execute();
+            if ($result = $statement->fetch(mode: PDO::FETCH_ASSOC)) {
+
+                return new Domain(name: $result['name'], panel: $result['panel'], id: $result['id']);
+            } else {
+                return false;
+            }
+        } catch (PDOException $e) {
+            exit($e->getMessage());
+        }
+    }
+
+
+    /**
+     * @param String $name
+     *
+     * @return \App\Entity\Domain|bool
+     */
+    public function findByName(string $name): Domain|bool
+    {
+        $this->logger->debug(message: "findByName($name)");
+
+        $sql = "
+			SELECT id, name, panel
+			FROM " . DatabaseConnection::TABLE_DOMAINS . "
+            WHERE name = :name";
+
+        try {
+            $statement = $this->databaseConnection->getConnection()->prepare(query: $sql);
+            $statement->bindParam(param: ':name', var: $name);
+            $statement->execute();
+            if ($result = $statement->fetch(mode: PDO::FETCH_ASSOC)) {
+                return new Domain(name: $result['name'], panel: $result['panel'], id: $result['id']);
+            } else {
+                return false;
+            }
+        } catch (PDOException $e) {
+            exit($e->getMessage());
+        }
+    }
+
+
+    /**
+     * @param string $host
+     *
+     * @return \App\Entity\Domain|bool
+     */
+    public function findByHost(string $host): Domain|bool
+    {
+        $this->logger->debug(message: "findByHost($host)");
+
+        $host = strtolower(string: trim(string: $host));
+        $count = substr_count(haystack: $host, needle: '.');
+        if ($count == 2) {
+            if (strlen(string: explode(separator: '.', string: $host)[1]) > 3) {
+                $host = explode(separator: '.', string: $host, limit: 2)[1];
+            }
+        } elseif ($count > 2) {
+            $host = $this->findByHost(host: explode(separator: '.', string: $host, limit: 2)[1]);
+        }
+
+        if ($domain = $this->findByName(name: $host)) {
+            return $domain;
+        } else {
+            return false;
+        }
+    }
+
+
+    /**
+     * @param \App\Entity\Domain $domain
+     *
+     * @return string|false
+     */
+    public function insert(Domain $domain): bool|string
+    {
+        $domainName = $domain->getName();
+        $this->logger->info(message: "insert($domainName)");
+
+        $sql = "
+            INSERT INTO " . DatabaseConnection::TABLE_DOMAINS . " (name, panel)
+            VALUES (:name, :panel)";
+
+        try {
+            $name = $domain->getName();
+            $panel = $domain->getPanel();
+            $statement = $this->databaseConnection->getConnection()->prepare(query: $sql);
+            $statement->bindParam(param: ':name', var: $name);
+            $statement->bindParam(param: ':panel', var: $panel);
+            $statement->execute();
+
+            return $this->databaseConnection->getConnection()->lastInsertId();
+        } catch (PDOException $e) {
+            exit($e->getMessage());
+        }
+    }
+
+
+    /**
+     * @param \App\Entity\Domain $domain
+     *
+     * @return false|int
+     */
+    public function update(Domain $domain): bool|int
+    {
+        $domainName = $domain->getName();
+        $this->logger->debug(message: "update($domainName)");
+
+        $id = $domain->getId();
+        $current = $this->findByID(id: $id);
+
+        if (empty($domain->getName())) {
+            $name = $current->getName();
+        } else {
+            $name = $domain->getName();
+        }
+        if (empty($domain->getPanel())) {
+            $panel = $current->getPanel();
+        } else {
+            $panel = $domain->getPanel();
+        }
+
+        $sql = "
+			UPDATE " . DatabaseConnection::TABLE_DOMAINS . " SET
+				name = :name,
+				panel = :panel
+            WHERE id = :id";
+
+        try {
+            $statement = $this->databaseConnection->getConnection()->prepare(query: $sql);
+            $statement->bindParam(param: 'id', var: $id);
+            $statement->bindParam(param: 'name', var: $name);
+            $statement->bindParam(param: 'panel', var: $panel);
+            $statement->execute();
+
+            return $statement->rowCount();
+        } catch (PDOException $e) {
+            echo $e->getMessage();
+            return false;
+        }
+    }
+
+
+    /**
+     * @param \App\Entity\Domain $domain
+     *
+     * @return int
+     */
+    public function delete(Domain $domain): int
+    {
+        $domainName = $domain->getName();
+        $this->logger->debug(message: "delete($domainName)");
+
+        $sql = "
+            DELETE FROM " . DatabaseConnection::TABLE_DOMAINS . "
+            WHERE id = :id";
+
+        try {
+            $statement = $this->databaseConnection->getConnection()->prepare(query: $sql);
+            $id = $domain->getId();
+            $statement->bindParam(param: 'id', var: $id);
+            $statement->execute();
+
+            return $statement->rowCount();
+        } catch (PDOException $e) {
+            exit($e->getMessage());
+        }
+    }
+
+
+    /**
+     * @param String $field
+     *
+     * @return int
+     */
+    public function getLongestEntry(string $field): int
+    {
+        $sql = "
+            SELECT MAX(LENGTH(" . $field . ")) as length FROM " . DatabaseConnection::TABLE_DOMAINS;
+
+        try {
+            $statement = $this->databaseConnection->getConnection()->prepare(query: $sql);
+            $statement->execute();
+            $result = $statement->fetch();
+            return $result['length'];
+        } catch (PDOException $e) {
+            exit($e->getMessage());
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Service/Router.php b/src/Service/Router.php
new file mode 100644
index 0000000..c9636d1
--- /dev/null
+++ b/src/Service/Router.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Service;
+
+
+class Router
+{
+    private array $uri;
+    private array $routes;
+
+    public function __construct()
+    {
+        $uri       = parse_url(url: $_SERVER['REQUEST_URI'], component: PHP_URL_PATH);
+        $this->uri = explode(separator: '/', string: $uri);
+    }
+
+    public function registerRoute(string $route, \Closure $callback): void
+    {
+        $this->routes[$route] = $callback;
+    }
+
+
+    private function matchRoute($url = '/users/tracer/posts/tracer', $method = 'GET')
+    {
+        $reqUrl = $url;
+
+        $reqUrl = rtrim(string: $reqUrl, characters: "/");
+
+        foreach ($this->routes as $route => $closure) {
+            // convert urls like '/users/:uid/posts/:pid' to regular expression
+            // $pattern = "@^" . preg_replace('/\\\:[a-zA-Z0-9\_\-]+/', '([a-zA-Z0-9\-\_]+)', preg_quote($route['url'])) . "$@D";
+            $pattern = "@^" . preg_replace('\\/users/:[a-zA-Z0-9\_\-]+/', '([a-zA-Z0-9\-\_]+)', $route) . "$@D";
+            // echo $pattern."\n";
+            $params = [];
+            // check if the current request params the expression
+            $match = preg_match($pattern, $reqUrl, $params);
+            if ($match) {
+                // remove the first match
+                array_shift($params);
+                // call the callback with the matched positions as params
+                // return call_user_func_array($route['callback'], $params);
+                return [$route, $params];
+            }
+        }
+        return [];
+    }
+
+    public function handleRouting(): void
+    {
+        $foo = $this->matchRoute();
+        var_dump($foo);
+    }
+}
\ No newline at end of file