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clean up legacy view codes
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Desmond Chin authored and Desmond Chin committed Jan 3, 2021
1 parent e29e23c commit 54358ff
Showing 1 changed file with 50 additions and 204 deletions.
254 changes: 50 additions & 204 deletions src/View.php
View file
Original file line number Diff line number Diff line change
Expand Up @@ -6,24 +6,14 @@
class VIEW {

protected $_view;
protected $_template;
protected $_controller;
protected $_legacy=false;

public function __construct($view, $template = NULL, $templateData = NULL) {
public function __construct($view) {
$this->_view = $view;
$this->_template = $template;
$this->_templateData = $templateData;
}

public function render($data = null, $legacy = false) {
$this->legacy = $legacy;
public function render($data = null) {
$view_file = file_get_contents(DOC_ROOT . '/Application/Views/' . $this->_view . ".html");

if (!empty($this->_template)) {
$template_file = file_get_contents(TEMPLATE_PATH . '/' . $this->_template . ".html");
$view_file = preg_replace('/{{\s*(@contents)\s*}}/', $view_file, $template_file);
}

/**
* Injects CSRF
Expand All @@ -41,189 +31,65 @@ public function render($data = null, $legacy = false) {
}
}

if($legacy == true){
$view_file = $this->bindRender($view_file, $data);
}

if (isset($data) && $legacy == true) {
foreach ($data as $key => $value) {
if (is_array($value)) {
$value = json_encode($value);
}
$view_file = str_replace('{%' . $key . '%}', $value, $view_file);
}
}

if($legacy == true){
$view_file = $this->mapRedirects($view_file);
$view_file = $this->cleanUpTags($view_file);
}

if($legacy == true){
return $view_file;
}else{
$loader1 = new \Twig\Loader\ArrayLoader([
'twig' => $view_file,
]);

$loader2 = new \Twig\Loader\FilesystemLoader(DOC_ROOT."/Application/Views");

$loader = new \Twig\Loader\ChainLoader([$loader1, $loader2]);
$twig = new \Twig\Environment($loader);

/**
* route() function
*/
$routeFunction = new \Twig\TwigFunction('route', function ($value) {
return route($value);
});
$twig->addFunction($routeFunction);

/**
* csrf_token() function
*/
$csrfFunction = new \Twig\TwigFunction('csrf_token', function () {
return $_SESSION['csrf_token'];
});
$twig->addFunction($csrfFunction);

/**
* trans() function
*/
$transFunction = new \Twig\TwigFunction('trans', function ($value) {
return $this->mapTrans($value);
});
$twig->addFunction($transFunction);

/**
* return() function
*/
$returnFunction = new \Twig\TwigFunction('return', function ($value, $args=[]) {
return new \Twig\Markup($this->mapControllers($value, $args), "utf-8");
});
$twig->addFunction($returnFunction);

/**
* asset() function
*/
$returnFunction = new \Twig\TwigFunction('asset', function ($value) {
include_once(UTILITY_PATH."/Helpers/asset.php");
return \asset($value);
});
$twig->addFunction($returnFunction);

if(empty($data)){
$data = array();
}

$twig->addGlobal('app', [
'session' => $_SESSION,
'request' => new Request()
]);
return $twig->render('twig', $data);
}
}

public function twig($data = array()){
$this->_legacy = true;
$view_file = $this->render(null, true);
$loader = new \Twig\Loader\ArrayLoader([
$loader1 = new \Twig\Loader\ArrayLoader([
'twig' => $view_file,
]);

$loader2 = new \Twig\Loader\FilesystemLoader(DOC_ROOT."/Application/Views");

$loader = new \Twig\Loader\ChainLoader([$loader1, $loader2]);
$twig = new \Twig\Environment($loader);

return $twig->render('twig', $data);
}

private function bindRender($view_file, $data){
/**
* Include method must come first to include all html before binding
* route() function
*/
$helper_functions = ['include','asset', 'return', 'trans', 'route', 'csrf_token'];
foreach($helper_functions as $k=>$v){
$pattern = "~\{\{\s*".$v."\((.*?)\)\s*\}\}~";
if(preg_match_all($pattern, $view_file, $scope)){
$param = $scope[1];

if($v == 'include'){
foreach($param as $kp=>$kv){
$pattern = "~\{\{\s*".$v."\((".$kv.")\)\s*\}\}~";
$view_file = preg_replace($pattern, file_get_contents(DOC_ROOT . '/Application/Views/' . $kv . ".html"), $view_file);
}
}

if($v == 'return'){
foreach($param as $kp=>$kv){
$pattern = "~\{\{\s*".$v."\((".$kv.")\)\s*\}\}~";
$view_file = preg_replace($pattern, $this->mapControllers($kv), $view_file);
}
}

if($v == 'asset'){
include_once(UTILITY_PATH."/Helpers/asset.php");
foreach($param as $kp=>$kv){
$pattern = "~\{\{\s*".$v."\((".$kv.")\)\s*\}\}~";
$view_file = preg_replace($pattern, \asset($kv), $view_file);
}
}
$routeFunction = new \Twig\TwigFunction('route', function ($value) {
return route($value);
});
$twig->addFunction($routeFunction);

if($v == 'trans'){
foreach($param as $kp=>$kv){
$pattern = "~\{\{\s*".$v."\((".$kv.")\)\s*\}\}~";
$view_file = preg_replace($pattern, $this->mapTrans($kv), $view_file);
}
}

if($v == 'route'){
foreach($param as $kp=>$kv){
$pattern = "~\{\{\s*".$v."\((".$kv.")\)\s*\}\}~";
$route = '';
if(!empty(ROUTE::getNamedRoutes()[$kv])){
$route = ROUTE::getNamedRoutes()[$kv];
}
$view_file = preg_replace($pattern, $route, $view_file);
}
}

if($v == 'csrf_token'){
foreach($param as $kp=>$kv){
$pattern = "~\{\{\s*".$v."\(()\)\s*\}\}~";
$view_file = preg_replace($pattern, $_SESSION['csrf_token'], $view_file);
}
}
}
}

if (isset($data) && $this->_legacy == true) {
foreach ($data as $k => $v) {
$pattern = "~\{\{\s*(".$k.")\s*\}\}~";
if (is_array($v)) {
$v = json_encode($v);
}
$view_file = preg_replace($pattern, $v, $view_file);
}
}

return $view_file;
}
/**
* csrf_token() function
*/
$csrfFunction = new \Twig\TwigFunction('csrf_token', function () {
return $_SESSION['csrf_token'];
});
$twig->addFunction($csrfFunction);

private function mapTrans($data){
$data = explode(".", $data);
$file = $data[0];
$var = $data[1];
/**
* trans() function
*/
$transFunction = new \Twig\TwigFunction('trans', function ($value) {
return trans($value);
});
$twig->addFunction($transFunction);

if(!empty($_SESSION['lang'])){
$mode = $_SESSION['lang'];
}else{
$mode = DEFAULT_LANG;
}
/**
* return() function
*/
$returnFunction = new \Twig\TwigFunction('return', function ($value, $args=[]) {
return new \Twig\Markup($this->mapControllers($value, $args), "utf-8");
});
$twig->addFunction($returnFunction);

$lang = include(UTILITY_PATH."/Lang/$mode/$file.php");
if(!empty($lang[$var])){
return $lang[$var];
}else{
return false;
/**
* asset() function
*/
$returnFunction = new \Twig\TwigFunction('asset', function ($value) {
include_once(UTILITY_PATH."/Helpers/asset.php");
return \asset($value);
});
$twig->addFunction($returnFunction);

if(empty($data)){
$data = array();
}

$twig->addGlobal('app', [
'session' => $_SESSION,
'request' => new Request()
]);
return $twig->render('twig', $data);
}

private function mapControllers($scope, $args) {
Expand All @@ -245,24 +111,4 @@ private function mapControllers($scope, $args) {
return false;
}
}

private function cleanUpTags($template){
if (preg_match_all("~\{\%\s*(.*?)\s*\%\}~", $template, $arr)) {
foreach ($arr[0] as $k => $v) {
$template = str_replace($v, '', $template);
}
}
return $template;
}

private function mapRedirects($template) {
if (preg_match_all("~\{\_\s*(.*?)\s*\_\}~", $template, $arr)) {
foreach ($arr[1] as $k => $v) {
$completeLink = ROOT_PATH . $v;
$template = str_replace('{_' . $v . '_}', $completeLink, $template);
}
}
return $template;
}

}

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