index.php

<?php
/**
 * @author Kevin Newesil <newesil.kevin@gmail.com>
 * @author Roj Vroemen <rojtjo@gmail.com>
 * @package default
 * @version 0.1
 * @param url_segments
 * @copyright copyright © 2011, Kevin Newesil, Roj Vroemen.
 * @global array $tweets[0]
 * @name $tweets
 */
error_reporting(E_ALL);
session_start();

/* Require constants */
require_once ('constants.php');

if (isset($_GET['tweets'])) {
	/**
	 * @param tweets
	 * Retrieve tweets, show in database
	 * return back to main page
	 * Poll every 24 seconds. if max request === 150
	 * poll every 8 seconds. if max request === 350
	 */
	require_once (INC_PATH . 'tweets.php');
	$twitter = new tweets();
	$tweets = $twitter -> tweet_fetcher();
	$twitter -> tweet_saver($tweets);

	/**
	 * loop twetes, foreach tweet that's new, save into database.
	 */
	foreach ($tweets as $key => $value) {
		$tweets = $value -> text;
		$twitter -> tweet_saver($tweets);
	}
	/**
	 * Return to main index.
	 */
	header('location: index.php');
}

if (!empty($_GET))
	$url_segment = explode('/', $_GET['url']);
else
	$url_segment[0] = 'home';

switch ($url_segment[0]) {
	case 'home' :
		require_once (INC_PATH . 'base.php');
		$base = new Base();
		if (!empty($_SESSION['auth'])) {
			$views = array('parts/header', 'home', 'parts/footer');
			$base -> show_view($views);
		} else {
			$base -> redirect('auth/login');
		}
		break;

	case 'auth' :
		require_once (INC_PATH . 'auth.php');
		$auth = new Auth();
		if (!isset($url_segment[1])) {
			$auth -> redirect('auth/login');
		} else {
			switch ($url_segment[1]) {
				case 'login' :
					if (empty($_SESSION['auth'])) {
						if (isset($_POST['submit_login'])) {
							$login = $auth -> login($_POST['username'], $_POST['password']);
							if ($login === true) {
								$auth -> redirect();
							} else {
								$views = array('parts/header', 'auth/login', 'parts/footer');
								$auth -> show_view($views);
							}
						} else {
							$views = array('parts/header', 'auth/login', 'parts/footer');
							$auth -> show_view($views);
						}
					} else {
						$auth -> redirect();
					}
					break;

				case 'logout' :
					$auth -> logout();
					$auth -> redirect('auth/login');
					break;

				case 'register' :
					if (empty($_SESSION['auth'])) {
						if (isset($_POST['submit_register'])) {
							$register = $auth -> register($_POST['email'], $_POST['username'], $_POST['password'], $_POST['password_again']);
							if ($register === true) {
								$data['meta_redirect'] = '<meta http-equiv="refresh" content="5; URL=' . BASE_URL . 'auth/login" />';
								$views = array('parts/header', 'auth/register_success', 'parts/footer');
								$auth -> show_view($views, $data);
								//$auth->redirect('auth/login');
							} else {
								$data['errors'] = $register;
								$views = array('parts/header', 'auth/register', 'parts/footer');
								$auth -> show_view($views, $data);
							}
						} else {
							$views = array('parts/header', 'auth/register', 'parts/footer');
							$auth -> show_view($views);
						}
					} else {
						$auth -> redirect();
					}
					break;

				default :
					break;
			}
		}
		break;

	default :
		require_once (INC_PATH . 'base.php');
		$base = new Base();
		$views = array('parts/header', 'errors/404', 'parts/footer');
		$base -> show_view($views);
		break;
}