"Installer" added

A very basic installer will appear when accessing the home page if there
are no users in the database. It allows the initial user to be created.

includes/t-basics/controllers.inc.php

@@ -10,8 +10,10 @@ class Ctrl_HomePage
 		session_start( );
 		if (  array_key_exists( 'uid' , $_SESSION ) ) {
 			return 'items';
-		} else {
+		} elseif ( Loader::DAO( 'users' )->hasUsers( ) ) {
 			return 'login';
+		} else {
+			return 'install';
 		}
 	}
 
@@ -119,3 +121,17 @@ class Ctrl_LoggedOut
 	}
 
 }
+
+
+class Ctrl_Install
+	extends Controller
+{
+
+	public function handle( Page $page )
+	{
+		if ( Loader::DAO( 'users' )->hasUsers( ) ) {
+			return 'login';
+		}
+		return Loader::Ctrl( 'users_add_form' , true );
+	}
+}

includes/t-basics/dao_users.inc.php

@@ -74,6 +74,6 @@ class Dao_Users
 	public function hasUsers( )
 	{
 		$result = $this->query( 'SELECT COUNT(*) AS n_users FROM users' )->execute( );
-		return $result[0]->n_users;
+		return $result[0]->n_users > 0;
 	}
 }

includes/t-basics/package.inc.php

@@ -11,6 +11,7 @@ $package[ 'extras' ][] = 'AuthenticatedPage';
 
 $package[ 'ctrls' ][] = 'check_session';
 $package[ 'ctrls' ][] = 'home_page';
+$package[ 'ctrls' ][] = 'install';
 $package[ 'ctrls' ][] = 'log_in';
 $package[ 'ctrls' ][] = 'log_in_form';
 $package[ 'ctrls' ][] = 'logged_out';
@@ -19,5 +20,6 @@ $package[ 'ctrls' ][] = 'logout';
 $package[ 'pages' ][] = 'tasks_home';
 $package[ 'pages' ][] = 'tasks_login';
 $package[ 'pages' ][] = 'tasks_logout';
+$package[ 'pages' ][] = 'tasks_install';
 
 $package[ 'daos' ][] = 'users';

includes/t-basics/pages.inc.php

@@ -66,3 +66,14 @@ class Page_TasksLogout
 		$this->addController( Loader::Ctrl( 'logout' ) );
 	}
 }
+
+
+class Page_TasksInstall
+	extends Page_Basic
+{
+	public function __construct( )
+	{
+		parent::__construct( );
+		$this->addController( Loader::Ctrl( 'install' ) );
+	}
+}

includes/t-users/users.inc.php

@@ -34,9 +34,16 @@ class Ctrl_UsersList
 class Ctrl_UsersAddForm
 	extends Controller
 {
+	private $initial;
+
+	public function __construct( $initial = false )
+	{
+		$this->initial = $initial;
+	}
+
 	public function handle( Page $page )
 	{
-		return Loader::Create( 'Form' , 'Create user' , 'user-add' )
+		$form = Loader::Create( 'Form' , 'Create user' , 'user-add' )
 			->addField( Loader::Create( 'Field' , 'email' , 'text' )
 					->setDescription( 'E-mail address:' )
 					->setValidator( Loader::Create( 'Validator_Email' , 'Invalid address.' ) ) )
@@ -45,9 +52,16 @@ class Ctrl_UsersAddForm
 					->setValidator( Loader::Create( 'Validator_StringLength' , 'This password' , 8 ) ) )
 			->addField( Loader::Create( 'Field' , 'pass2' , 'password' )
 					->setDescription( 'Confirm password:' ) )
-			->setURL( 'users' )
-			->addController( Loader::Ctrl( 'users_add' ) )
-			->controller( );
+			->addController( Loader::Ctrl( 'users_add' , $this->initial ) );
+
+		if ( $this->initial ) {
+			$form->setSuccessURL( 'home' );
+			$page->setTitle( 'Initial user' );
+		} else {
+			$form->setURL( 'users' );
+		}
+
+		return $form->controller( );
 	}
 }
 
@@ -57,6 +71,12 @@ class Ctrl_UsersAdd
 	implements FormAware
 {
 	private $form;
+	private $initial;
+
+	public function __construct( $initial )
+	{
+		$this->initial = $initial;
+	}
 
 	public function setForm( Form $form )
 	{
@@ -80,6 +100,10 @@ class Ctrl_UsersAdd
 		switch ( $error ) {
 
 			case 0:
+				if ( $this->initial ) {
+					session_start( );
+					$_SESSION[ 'uid' ] = Loader::DAO( 'users' )->getUser( $email->value( ) )->user_id;
+				}
 				return true;
 
 			case 1: