meta/old/Meta/Base/common.php

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<?php
/**
* meta
*
* Simple hierarchial data management
*
* @package meta
* @author Timothy J. Warren
* @copyright Copyright (c) 2012
* @link https://github.com/aviat4ion/meta
* @license http://philsturgeon.co.uk/code/dbad-license
*/
// --------------------------------------------------------------------------
namespace Meta\Base;
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use \Aura\Router\RouterFactory;
// --------------------------------------------------------------------------
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// ! Messages
// --------------------------------------------------------------------------
/**
* General 404 function
*
* @return void
*/
function show_404()
{
@header('HTTP/1.1 404 Not Found', TRUE, 404);
// Contain the content for buffering
ob_start();
// This is passed to the error template
$message = '404 Not Found';
include(MM_APP_PATH . '/views/errors/error_404.php');
$buffer = ob_get_contents();
ob_end_clean();
die($buffer);
}
// --------------------------------------------------------------------------
/**
* Fatal Error page function
*
* @param string $message
* @param int $status_code
*/
function show_error($message, $status_code=null)
{
if ( ! is_null($status_code))
{
@header("HTTP/1.1 {$status_code}", TRUE, (int) $status_code);
}
// Contain the content for buffering
ob_start();
include(MM_APP_PATH . '/views/errors/error_general.php');
$buffer = ob_get_contents();
ob_end_clean();
die($buffer);
}
// --------------------------------------------------------------------------
// ! Utility Functions
// --------------------------------------------------------------------------
/**
* Utility function to check if a variable is set, and is an array or object
*
* @param mixed $var
* @return bool
*/
function is_like_array(&$var)
{
if ( ! isset($var))
{
return FALSE;
}
return (is_array($var) OR is_object($var)) && ( ! empty($var));
}
// --------------------------------------------------------------------------
/**
* Returns routable methods for the specified controller class
*
* @param string $controller
* @return array
*/
function controller_methods($controller)
{
$methods = \get_class_methods($controller);
// Eliminate methods from Controller and Model classes
$skip_methods = array_merge(\get_class_methods('\Meta\Base\Controller'), \get_class_methods('\Meta\Base\Model'));
$methods = array_diff($methods, $skip_methods);
return $methods;
}
// --------------------------------------------------------------------------
/**
* Returns a full url from a url segment
*
* @param string $segment
* @return string
*/
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function site_url($segment='')
{
return $url = BASE_URL . URL_INDEX_FILE . $segment;
}
// --------------------------------------------------------------------------
/**
* Prints out the contents of the object
*
* @param object/array $data
* @param string $method
* @return string
*/
function to_string($data, $method='print_r')
{
$output = '<pre>';
if ($method == "var_dump")
{
ob_start();
var_dump($data);
$output .= ob_get_contents();
ob_end_clean();
}
elseif ($method == "var_export")
{
ob_start();
var_export($data);
$output .= ob_get_contents();
ob_end_clean();
}
else
{
$output .= print_r($data, TRUE);
}
return $output . '</pre>';
}
// --------------------------------------------------------------------------
if ( ! function_exists('do_include'))
{
/**
* Array_map callback to load a folder of classes at once
*
* @param string $path
* @return void
*/
function do_include($path)
{
require_once($path);
}
}
// --------------------------------------------------------------------------
// ! Bootstrap functions
// --------------------------------------------------------------------------
/**
* Returns the last segment of the current url
*
* @return string
*/
function get_last_segment()
{
$array = get_segments();
return end($array);
}
// --------------------------------------------------------------------------
/**
* Gets an array of the segments of the current url
*
* @return array
*/
function get_segments()
{
$sn = $_SERVER['SCRIPT_NAME'];
$ru = $_SERVER['REQUEST_URI'];
// Get the equivalent to path info
$pi = (isset($_SERVER['PATH_INFO']))
? str_replace($sn, '', $ru)
: '/';
// Correct for being in a sub-directory
if (strlen($sn) > strlen($ru))
{
$pi = '/';
}
return explode('/', $pi);
}
// --------------------------------------------------------------------------
/**
* Calls the appropriate module/controller/function based on the url
*
* @return void
*/
function route()
{
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$router_factory = new RouterFactory;
$router = $router_factory->newInstance();
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// Load the routes config file to add additional routes
$routes = [];
require_once(MM_APP_PATH . 'config/routes.php');
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// get the incoming request URL path
$path = parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH);
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$path = str_replace(URL_INDEX_FILE, '', $path);
$path = str_replace(BASE_PATH, '', $path);
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// get the route based on the path and server
$route = $router->match($path, $_SERVER);
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// Set default controller/function
$controller = $routes['default_controller'];
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$action = 'index';
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// 404 Condition
if (empty($route))
{
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throw new \Exception("404: Page not found.");
//show_404();
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return;
}
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// Home
if (isset($route->name) && $route->name === 'home')
{
run($controller, $action);
return;
}
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// Gather route parts
foreach(array('controller', 'action', 'id') as $param)
{
if (isset($route->params[$param]))
{
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$$param = $route->params[$param];
}
}
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if ( ! isset($id)) $id = array();
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// Dispatch to the appropriate controller
run($controller, $action, array($id));
}
// --------------------------------------------------------------------------
/**
* Instantiate the appropriate controller
*
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* @param string $controller
* @param string $func
* @param array $args
* @return void
*/
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function run($controller, $func, $args = array())
{
$controller_class = ucfirst($controller);
$controller = "Meta\\Controller\\{$controller_class}";
// Get the list of valid methods for that controller
$methods = controller_methods($controller);
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if (in_array($func, $methods))
{
if (class_exists($controller))
{
$class = new $controller();
}
call_user_func_array(array($class, $func), $args);
return;
}
// Function doesn't exist...404
show_404();
}
// End of common.php