index.php

<?php
require_once "lib/compra.php";
require_once "lib/sheen.php";
require_once "lib/beggar.php";

use compra\Compra;
use sheen\View;
use beggar\Request;

function templatize($req, $res) {
    $title = isset($res->title) ? $res->title : "PBBG";
    $player = isset($req->player) ? $req->player : NULL;
    $layout = new View("layout", compact("title", "player"));
    $layout->render(array(), $res->view->render(compact("player"), NULL, TRUE));
}

Compra::except("beggar\Exception", function($req, $res, $e) {
    $error = "Our web service seems to be malfunctioning. Please bear with us.";
    $res->view = new View("error", compact("error"));
    $res->title = "Error";
    templatize($req, $res);
});

get("/", function($req, $res) {
    if (isset($req->player)) {
        $res->title = "Headquarters";
        $res->view = new View("home");
    }
    else {
        $res->title = "Welcome";
        $res->view = new View("index");
    }
});

get("/login", function($req, $res) {
    if (isset($req->player)) {
        $res->redirect("/");
    }
    $res->title = "Login";
    $res->view = new View("login");
});

get("/logout", function($req, $res) {
    session_destroy();
    $res->redirect("/");
});

post("/login", function($req, $res) {
    $username = trim($_POST['username']);
    $password = trim($_POST['password']);
    $api = new Request($username, $password);
    try {
        $api->players->self->_get();
        $_SESSION['credentials'] = "{$username}:{$password}";
        $res->redirect("/");
    }
    catch (beggar\ForbiddenException $e) {
        $error = $e->getMessage();
    }
    $res->title = "Login";
    $res->view = new View("login", compact("error"));
});

get("/battle", function($req, $res) {
    $players = $req->ws->players->_get();
    $res->title = "Battle";
    $res->view = new View("battle", compact("players"));
});

Compra::before(function($req, $res) {
    session_start();
    if (isset($_SESSION['credentials'])) {
        // TODO: Store session data in Redis or memcached
        list($username, $password) = explode(":", $_SESSION['credentials']);
        $req->ws = new Request($username, $password);
        $req->player = (object)$req->ws->players->self->_get();
    }
});

Compra::after(function($req, $res) {
    templatize($req, $res);
});

sheen.php

<?php
/**
 * Copyright (c) 2011 Justin Poliey <[email protected]>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

namespace sheen;

class RenderException extends \Exception {
    
}

class View {

	/**
	 * The filename of the view
	 * @var string
	 * @access private
	 */
	private $filename;
	
	/**
	 * The directory in which view files are stored
	 * @var string
	 * @access protected
	 */
	public $viewDirectory = "../views";
	
	/**
	 * The file extension that view files are saved with
	 * @var string
	 * @access protected
	 */
	public $viewExtension = ".html.php";

	/**
	 * Locals are an array of values that will be treated as variables inside of the view.
	 * @var array
	 * @access private
	 */
	private $locals = array();

	/**
	 * Flag indicating whether or not `render()` method has been called.
	 * @var boolean
	 * @access public
	 */
	public $rendered = FALSE;

	/**
	 * The `$content` parameter of `render()` is passed into this
	 * @var string
	 * @access public
	 */
	public $content;

	function __construct($name, $locals = array()) {
	    $rel_fname = (is_array($name)? join($name, DIRECTORY_SEPARATOR): $name);
		$this->filename = join(array(dirname(__FILE__), $this->viewDirectory, $rel_fname.$this->viewExtension), DIRECTORY_SEPARATOR);
		$this->locals = $locals;
	}

	function render($locals = array(), $content = NULL, $return = FALSE) {
		if (!is_readable($this->filename)) {
			throw new RenderException("Could not load view {$this->filename}");
		}
		$this->locals = array_merge($this->locals, $locals);
		if ($return) {
			ob_start();
		}
		$this->content = $content;
		extract($this->locals);
		include $this->filename;
		$this->rendered = TRUE;
		if ($return) {
			return ob_get_clean();
		}
		return TRUE;
	}
	
	function __toString() {
		return $this->render(array(), NULL, TRUE);
	}

}