function check_post_values($db, $data)
{
// If user has pressed "Rekisteröidy" -button,
// then username key index is set. Let's try to
// register new user.
if (isset($data['username'])) {
require 'CRegister.php';
// Try to register new user.
try {
$reg = new CRegister($db, $data);
// Message to show after registeration.
$_SESSION['message'] = 'Käyttäjätunnus "' . $data['username'] . '" on nyt rekisteröity.';
// Icon to show.
$_SESSION['message_icon'] = 'graphics/32px-Crystal_Clear' . '_app_clean.png';
} catch (Exception $e) {
// Icon to show
$_SESSION['message_icon'] = 'graphics/32px-Crystal_Clear' . '_app_logout.png';
$_SESSION['message'] = $e->getMessage();
}
// If there were no errors, good.
if (!isset($_SESSION['message'])) {
create_site_top();
create_top_menu();
echo '<div class="register">';
show_message();
echo '</div>';
create_site_bottom();
die;
} else {
create_site_top();
create_top_menu();
echo '<div class="register">';
// If message icon is app_logout then there
// was problem while registering. We must give a link
// where user can go back to registering page.
if ($_SESSION['message_icon'] == 'graphics/32px-Crystal_Clear_app_logout.png') {
$back_to_register = true;
} else {
$back_to_register = false;
}
show_message();
// Show correct link, depending on how succesfully user
// registering was.
if ($back_to_register) {
echo '<a href="register.php">Takaisin rekisteröitymissivulle</a><br><br>';
} else {
echo '<a href="login.php">Kirjautumissivulle</a><br><br>';
}
echo '</div>';
create_site_bottom();
die;
}
}
}
function get_id($db, $data)
{
$id = null;
$username = null;
if (!isset($data['id'])) {
set_message('Virheellinen käyttäjä-ID', 1);
} else {
$id = mysql_real_escape_string($data['id']);
}
if (!is_null($id)) {
$username = get_poet_username($id);
if (is_null($username)) {
set_message('Annetulla ID:llä ei löydy käyttäjää!', 1);
}
}
if (is_null($username)) {
echo '<div class="poems">';
show_message();
echo '</div>';
create_site_bottom();
die;
}
return $id;
}
echo '<td><input type="text" name="username"></td></tr>';
echo '<tr><td>Salasana</td>';
echo '<td><input type="password" name="password"></td></tr>';
echo '<tr><td colspan="2"><input type="submit" ' . 'value="Kirjaudu"></td>';
echo '</tr>';
echo '</table>';
echo '</form>';
echo '<a href="register.php">Luo uusi käyttäjätunnus</a><br><br>';
echo '</div>';
}
session_start();
require 'general_functions.php';
// Check POST-values if there is any.
check_post_values($db, $_POST);
// Create html start tags and top menu
create_site_top();
create_top_menu();
echo '<div class="login">';
// Show possible messages (eg. if login is succesfully made or
// if something has failed in login or something like that).
show_message();
// If we are not logged in, show login form.
if (!isset($_SESSION['username'])) {
create_login_form();
}
echo '</div>';
// Create HTML end tags.
create_site_bottom();
?>
