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|
<?php
/**
* UserFrosting (http://www.userfrosting.com)
*
* @link https://github.com/userfrosting/UserFrosting
* @license https://github.com/userfrosting/UserFrosting/blob/master/licenses/UserFrosting.md (MIT License)
*/
namespace UserFrosting\System;
use RocketTheme\Toolbox\Event\EventDispatcher;
use RocketTheme\Toolbox\Event\Event;
use Slim\App;
use Slim\Container;
use UserFrosting\Support\Exception\FileNotFoundException;
use UserFrosting\System\Facade;
class UserFrosting
{
/**
* @var Container The global container object, which holds all your services.
*/
protected $ci;
/**
* @var App The Slim application instance.
*/
protected $app;
/**
* Create the UserFrosting application instance.
*/
public function __construct() {
// First, we create our DI container
$this->ci = new Container;
// Set up facade reference to container.
Facade::setFacadeContainer($this->ci);
}
/**
* Fires an event with optional parameters.
*
* @param string $eventName
* @param Event $event
*
* @return Event
*/
public function fireEvent($eventName, Event $event = NULL) {
/** @var EventDispatcher $events */
$eventDispatcher = $this->ci->eventDispatcher;
return $eventDispatcher->dispatch($eventName, $event);
}
/**
* Return the underlying Slim App instance, if available.
*
* @return Slim\App
*/
public function getApp() {
return $this->app;
}
/**
* Return the DI container.
*
* @return Slim\Container
*/
public function getContainer() {
return $this->ci;
}
/**
* Include all defined routes in route stream.
*
* Include them in reverse order to allow higher priority routes to override lower priority.
*/
public function loadRoutes() {
// Since routes aren't encapsulated in a class yet, we need this workaround :(
global $app;
$app = $this->app;
$routePaths = array_reverse($this->ci->locator->findResources('routes://', TRUE, TRUE));
foreach ($routePaths as $path) {
$routeFiles = glob($path . '/*.php');
foreach ($routeFiles as $routeFile) {
require_once $routeFile;
}
}
}
/**
* Initialize the application. Set up Sprinkles and the Slim app, define routes, register global middleware, and run Slim.
*/
public function run() {
$this->setupSprinkles();
// Set the configuration settings for Slim in the 'settings' service
$this->ci->settings = $this->ci->config['settings'];
// Next, we'll instantiate the Slim application. Note that the application is required for the SprinkleManager to set up routes.
$this->app = new App($this->ci);
$slimAppEvent = new SlimAppEvent($this->app);
$this->fireEvent('onAppInitialize', $slimAppEvent);
// Set up all routes
$this->loadRoutes();
// Add global middleware
$this->fireEvent('onAddGlobalMiddleware', $slimAppEvent);
$this->app->run();
}
/**
* Register system services, load all sprinkles, and add their resources and services.
*
* @param bool $isWeb Set to true if setting up in an HTTP/web environment, false if setting up for CLI scripts.
*/
public function setupSprinkles($isWeb = TRUE) {
// Register system services
$serviceProvider = new ServicesProvider();
$serviceProvider->register($this->ci);
// Boot the Sprinkle manager, which creates Sprinkle classes and subscribes them to the event dispatcher
$sprinkleManager = $this->ci->sprinkleManager;
try {
$sprinkleManager->initFromSchema(\UserFrosting\SPRINKLES_SCHEMA_FILE);
} catch (FileNotFoundException $e) {
if ($isWeb) {
$this->renderSprinkleErrorPage($e->getMessage());
} else {
$this->renderSprinkleErrorCli($e->getMessage());
}
}
$this->fireEvent('onSprinklesInitialized');
// Add Sprinkle resources (assets, templates, etc) to locator
$sprinkleManager->addResources();
$this->fireEvent('onSprinklesAddResources');
// Register Sprinkle services
$sprinkleManager->registerAllServices();
$this->fireEvent('onSprinklesRegisterServices');
}
/**
* Render a basic error page for problems with loading Sprinkles.
*/
protected function renderSprinkleErrorPage($errorMessage = "") {
ob_clean();
$title = "UserFrosting Application Error";
$errorMessage = "Unable to start site. Contact owner.<br/><br/>" .
"Version: UserFrosting " . \UserFrosting\VERSION . "<br/>" .
$errorMessage;
$output = sprintf(
"<html><head><meta http-equiv='Content-Type' content='text/html; charset=utf-8'>" .
"<title>%s</title><style>body{margin:0;padding:30px;font:12px/1.5 Helvetica,Arial,Verdana," .
"sans-serif;}h1{margin:0;font-size:48px;font-weight:normal;line-height:48px;}strong{" .
"display:inline-block;width:65px;}</style></head><body><h1>%s</h1>%s</body></html>",
$title,
$title,
$errorMessage
);
exit($output);
}
/**
* Render a CLI error message for problems with loading Sprinkles.
*/
protected function renderSprinkleErrorCli($errorMessage = "") {
exit($errorMessage . PHP_EOL);
}
}
|
