User display name field

Added a "display name" field, which can be NULL. The field can be set
from the user creation form, and is displayed in the list.

database/create-tables.sql

@@ -56,6 +56,7 @@ GRANT SELECT,INSERT,UPDATE,DELETE ON items TO :webapp_user;
 CREATE TABLE users (
 	user_id							INT NOT NULL DEFAULT NEXTVAL('users_user_id_seq'::TEXT),
 	user_email						VARCHAR(256) NOT NULL,
+	user_display_name					VARCHAR(256) ,
 	user_salt						CHAR(8) NOT NULL,
 	user_iterations						INT NOT NULL,
 	user_hash						CHAR(40) NOT NULL,

database/users-functions.sql

@@ -2,14 +2,18 @@
 -- Create a new user
 --
 
-CREATE OR REPLACE FUNCTION users_add( _email TEXT , _salt TEXT , _iters INT , _hash TEXT )
+CREATE OR REPLACE FUNCTION users_add( _email TEXT , _salt TEXT , _iters INT , _hash TEXT , _name TEXT )
 	RETURNS INT
 	LANGUAGE PLPGSQL
 	STRICT VOLATILE SECURITY INVOKER
 AS $users_add$
 BEGIN
-	INSERT INTO users ( user_email , user_salt , user_iterations , user_hash )
-		VALUES ( _email , _salt , _iters , _hash );
+	IF _name = '' THEN
+		_name := NULL;
+	END IF;
+
+	INSERT INTO users ( user_email , user_salt , user_iterations , user_hash , user_display_name )
+		VALUES ( _email , _salt , _iters , _hash , _name );
 	RETURN 0;
 EXCEPTION
 	WHEN unique_violation THEN
@@ -17,5 +21,5 @@ EXCEPTION
 END;
 $users_add$;
 
-REVOKE EXECUTE ON FUNCTION users_add( TEXT , TEXT , INT , TEXT ) FROM PUBLIC;
-GRANT EXECUTE ON FUNCTION users_add( TEXT , TEXT , INT , TEXT) TO :webapp_user;
+REVOKE EXECUTE ON FUNCTION users_add( TEXT , TEXT , INT , TEXT , TEXT ) FROM PUBLIC;
+GRANT EXECUTE ON FUNCTION users_add( TEXT , TEXT , INT , TEXT , TEXT) TO :webapp_user;

includes/t-basics/dao_users.inc.php

@@ -18,7 +18,10 @@ class Dao_Users
 
 	public function getUsers( )
 	{
-		return $this->query( 'SELECT user_id , user_email FROM users ORDER BY LOWER( user_email )' )->execute( );
+		return $this->query( 
+			'SELECT user_id , user_display_name , user_email '
+			.	'FROM users '
+			.	'ORDER BY LOWER( user_email )' )->execute( );
 	}
 
 
@@ -48,7 +51,7 @@ class Dao_Users
 	}
 
 
-	public function addUser( $email , $password )
+	public function addUser( $email , $password , $name )
 	{
 		$iterations = rand( 130 , 160 );
 
@@ -65,8 +68,8 @@ class Dao_Users
 
 		$hash = $this->hashPassword( $password , $salt , $iterations );
 
-		$result = $this->query( 'SELECT users_add( $1 , $2 , $3 , $4 ) AS error' )
-			->execute( $email , $salt , $iterations , $hash );
+		$result = $this->query( 'SELECT users_add( $1 , $2 , $3 , $4 , $5 ) AS error' )
+			->execute( $email , $salt , $iterations , $hash , $name );
 		return $result[ 0 ]->error;
 	}
 

includes/t-users/users.inc.php

@@ -52,6 +52,11 @@ class Ctrl_UsersAddForm
 					->setValidator( Loader::Create( 'Validator_StringLength' , 'This password' , 8 ) ) )
 			->addField( Loader::Create( 'Field' , 'pass2' , 'password' )
 					->setDescription( 'Confirm password:' ) )
+			->addField( Loader::Create( 'Field' , 'display-name' , 'text' )
+					->setDescription( 'Display name:' )
+					->setMandatory( false )
+					->setValidator( Loader::Create( 'Validator_StringLength' , 'This display name',
+										5 , 256 , true ) ) )
 			->addController( Loader::Ctrl( 'users_add' , $this->initial ) );
 
 		if ( $this->initial ) {
@@ -94,8 +99,9 @@ class Ctrl_UsersAdd
 		}
 
 		$email = $this->form->field( 'email' );
+		$name = $this->form->field( 'display-name' );
 		$error = Loader::DAO( 'users' )->addUser( $email->value( ) ,
-			$p1->value( ) );
+			$p1->value( ) , $name->value( ) );
 
 		switch ( $error ) {
 
@@ -137,14 +143,31 @@ class View_UsersList
 			->appendElement( HTML::make( 'tr' )
 				->setAttribute( 'class' , 'header' )
 				->appendElement( HTML::make( 'th' )
-					->appendText( 'E-mail address' ) ) );
+					->appendText( 'E-mail address' ) )
+				->appendElement( HTML::make( 'th' )
+					->appendText( 'Display name' ) ) );
 
 		foreach ( $this->users as $user ) {
-			$table->appendElement( HTML::make( 'tr' )
-				->appendElement( HTML::make( 'td' )
-					->appendText( $user->user_email ) ) );
+			$table->appendElement( $this->makeUserRow( $user ) );
 		}
 
 		return $table;
 	}
+
+	private function makeUserRow( $user )
+	{
+		$row = HTML::make( 'tr' )
+			->appendElement( HTML::make( 'td' )
+				->appendText( $user->user_email ) );
+
+		$nameColumn = HTML::make( 'td' );
+		if ( $user->user_display_name !== null ) {
+			$nameColumn->appendText( $user->user_display_name );
+		} else {
+			$nameColumn->appendElement( HTML::make( 'em' )->appendText( 'N/A' ) );
+		}
+		$row->appendElement( $nameColumn );
+
+		return $row;
+	}
 }