File cache support

File cache support. Any visited pages by anonymous user will generating
.cache file inside cache/page folder.

COPYRIGHT.txt

@@ -35,3 +35,5 @@ license, including:
   Pagedown modifications and bugfixes (c) 2009-2013 Stack Exchange Inc.
   
   Lightbox2 (c) Lokesh Dhakar <lokeshdhakar.com>
+
+  jQuery (c) The jQuery Foundation

README.md

@@ -37,6 +37,7 @@ Features
 - Lightbox
 - User role
 - Online backup
+- File cache
 
 Requirements
 ------------
@@ -107,7 +108,7 @@ server {
   }
 
   location / {
-    try_files $uri $uri/ /index.php;
+    try_files $uri $uri/ /index.php?$args;
   }
 
   location ~ \.php$ {

changelog.txt

@@ -1,3 +1,5 @@
+2014-06-27: File cache support
+2014-06-14: Foreign Char Support
 2014-02-25: HTTPS Support
 2014-02-15: HTMLy v1.2
 2014-02-08: HTMLy v1.1.

robots.txt

@@ -24,6 +24,7 @@ Disallow: /content/
 Disallow: /system/
 Disallow: /themes/
 Disallow: /vendor/
+Disallow: /cache/
 # Files
 Disallow: /changelog.txt
 Disallow: /composer.json

system/admin/admin.php

@@ -75,6 +75,7 @@ function edit_post($title, $tag, $url, $content, $oldfile, $destination = null)
 		$posturl = site_url().date('Y/m', $postdate).'/'.$post_url;
 		
 		rebuilt_cache('all');
+		clear_post_cache($dt, $post_tag, $post_url, $newfile);
 		
 		if ($destination == 'post') {
 			header("Location: $posturl");
@@ -113,7 +114,7 @@ function edit_page($title, $url, $content, $oldfile, $destination = null) {
 		$posturl = site_url() . $post_url;
 		
 		rebuilt_cache('all');
-		
+		clear_page_cache($post_url);
 		if ($destination == 'post') {
 			header("Location: $posturl");
 		}
@@ -150,7 +151,7 @@ function add_post($title, $tag, $url, $content, $user) {
 		}
 		
 		rebuilt_cache('all');
-		
+		clear_post_cache($post_date, $post_tag, $post_url, $dir . $filename);
 		$redirect = site_url() . 'admin/mine';
 		header("Location: $redirect");	
 	}
@@ -179,7 +180,7 @@ function add_page($title, $url, $content) {
 		}
 		
 		rebuilt_cache('all');
-		
+		clear_page_cache($post_url);
 		$redirect = site_url() . 'admin';
 		header("Location: $redirect");
 	}
@@ -189,6 +190,13 @@ function add_page($title, $url, $content) {
 // Delete blog post
 function delete_post($file, $destination) {
 	$deleted_content = $file;
+	
+	// Get cache file
+	$arr = explode('_', $file);
+	$replaced = substr($arr[0], 0,strrpos($arr[0], '/')) . '/';
+	$dt = str_replace($replaced,'',$arr[0]);
+	clear_post_cache($dt, $arr[1], str_replace('.md','',$arr[2]), $file);
+	
 	if(!empty($deleted_content)) {
 		unlink($deleted_content);
 		rebuilt_cache('all');
@@ -206,6 +214,18 @@ function delete_post($file, $destination) {
 // Delete static page
 function delete_page($file, $destination) {
 	$deleted_content = $file;
+	
+	if (!empty($menu)) {
+		foreach(glob('cache/page/*.cache', GLOB_NOSORT) as $file) {
+			unlink($file);
+		}
+	}
+	else {
+		$replaced = substr($file, 0, strrpos($file, '/')) . '/';
+		$url = str_replace($replaced,'',$file);
+		clear_page_cache($url);
+	}
+	
 	if(!empty($deleted_content)) {
 		unlink($deleted_content);
 		rebuilt_cache('all');
@@ -273,8 +293,8 @@ function migrate($title, $time, $tags, $content, $url, $user, $source) {
 			mkdir($dir, 0777, true);
 			file_put_contents($dir . $filename, print_r($post_content, true));
 		}
-		rebuilt_cache('all');
-		$redirect = site_url() . 'admin/mine';
+
+		$redirect = site_url() . 'admin/clear-cache';
 		header("Location: $redirect");	
 	}
 	
@@ -430,3 +450,92 @@ function get_backup_files () {
 		}
 	}
 }
+
+function clear_post_cache($post_date, $post_tag, $post_url, $filename) {
+
+	$b = str_replace('/', '#', site_path() . '/');
+	$t = explode('-', $post_date);
+	$c = explode(',', $post_tag);
+	$p = 'cache/page/'.$b.$t[0].'#'.$t[1].'#'.$post_url.'.cache';
+	
+	// Delete post
+	if (file_exists($p)) {
+		unlink($p);
+	}
+	
+	// Delete homepage
+	$yd = 'cache/page/'.$b.'.cache';
+	if (file_exists($yd)) {
+		unlink($yd);
+	}
+	foreach(glob('cache/page/'.$b.'~*.cache', GLOB_NOSORT) as $file) {
+		unlink($file);
+	}
+	
+	// Delete year
+	$yd = 'cache/page/'.$b.'archive#'.$t[0].'.cache';
+	if (file_exists($yd)) {
+		unlink($yd);
+	}
+	foreach(glob('cache/page/'.$b.'archive#'.$t[0].'~*.cache', GLOB_NOSORT) as $file) {
+		unlink($file);
+	}
+	
+	// Delete year-month
+	$yd = 'cache/page/'.$b.'archive#'.$t[0].'-'.$t[1].'.cache';
+	if (file_exists($yd)) {
+		unlink($yd);
+	}
+	foreach(glob('cache/page/'.$b.'archive#'.$t[0].'-'.$t[1].'~*.cache', GLOB_NOSORT) as $file) {
+		unlink($file);
+	}
+	
+	// Delete year-month-day
+	$yd = 'cache/page/'.$b.'archive#'.$t[0].'-'.$t[1].'-'.$t[2].'.cache';
+	if (file_exists($yd)) {
+		unlink($yd);
+	}
+	foreach(glob('cache/page/'.$b.'archive#'.$t[0].'-'.$t[1].'-'.$t[2].'~*.cache', GLOB_NOSORT) as $file) {
+		unlink($file);
+	}
+	
+	// Delete tag
+	foreach($c as $tag) {
+		$yd = 'cache/page/'.$b.'tag#'.$tag.'.cache';
+		if (file_exists($yd)) {
+			unlink($yd);
+		}
+		foreach(glob('cache/page/'.$b.'tag#'.$tag.'~*.cache', GLOB_NOSORT) as $file) {
+			unlink($file);
+		}
+	}
+	
+	// Delete search
+	foreach(glob('cache/page/'.$b.'search#*.cache', GLOB_NOSORT) as $file) {
+		unlink($file);
+	}
+	
+	
+	// Get cache post author
+	$arr = explode('_', $filename);
+	$replaced = substr($arr[0], 0,strrpos($arr[0], '/')) . '/';
+	$str = explode('/', $replaced);
+	$author = $str[count($str)-3];
+	// Delete author post list cache
+	$a = 'cache/page/'.$b.'author#'.$author.'.cache';
+	if (file_exists($a)) {
+		unlink($a);
+	}
+	foreach(glob('cache/page/'.$b.'author#'.$author.'~*.cache', GLOB_NOSORT) as $file) {
+		unlink($file);
+	}
+	
+}
+
+function clear_page_cache($url) {
+	$b = str_replace('/', '#', site_path() . '/');
+	$p = 'cache/page/'.$b.$url.'.cache';
+	if (file_exists($p)) {
+		unlink($p);
+	}
+}

system/admin/views/clear-cache.html.php

@@ -0,0 +1,12 @@
+<?php
+
+rebuilt_cache('all');
+
+foreach(glob('cache/page/*.cache', GLOB_NOSORT) as $file) {
+	unlink($file);
+}
+
+
+echo 'All cache has been deleted!';
+ 
+ ?>

system/admin/views/rebuilt-cache.html.php

@@ -1,7 +0,0 @@
-<?php
-
-rebuilt_cache('all');
-
-echo 'All cache has been rebuilt!';
- 
- ?>

system/htmly.php

@@ -18,6 +18,10 @@ config('source', 'config/config.ini');
 // This will match the root url
 get('/index', function () {
 
+	if(!login()) {
+		file_cache($_SERVER['REQUEST_URI']);
+	}
+	
 	$page = from($_GET, 'page');
 	$page = $page ? (int)$page : 1;
 	$perpage = config('posts.perpage');
@@ -99,6 +103,10 @@ post('/login', function() {
 // The blog post page
 get('/:year/:month/:name', function($year, $month, $name){
 
+	if(!login()) {
+		file_cache($_SERVER['REQUEST_URI']);
+	}
+
 	$post = find_post($year, $month, $name);
 	
 	$current = $post['current'];
@@ -140,6 +148,7 @@ get('/:year/:month/:name', function($year, $month, $name){
 		'next' => has_next($next),
 		'type' => 'blogpost',
 	));
+	
 });
 
 // Edit blog post
@@ -280,6 +289,10 @@ post('/:year/:month/:name/delete', function() {
 // The author page
 get('/author/:profile', function($profile){
 
+	if(!login()) {
+		file_cache($_SERVER['REQUEST_URI']);
+	}
+
 	$page = from($_GET, 'page');
 	$page = $page ? (int)$page : 1;
 	$perpage = config('profile.perpage');
@@ -560,6 +573,11 @@ get('/:static', function($static){
 		die;
 	}
 	else {
+	
+		if(!login()) {
+			file_cache($_SERVER['REQUEST_URI']);
+		}
+	
 		$post = get_static_post($static);
 		
 		if(!$post){
@@ -895,14 +913,14 @@ get('/admin/backup-start',function(){
 	die;
 });
 
-// Create Zip file
-get('/admin/rebuilt-cache',function(){
+// Delete all cache
+get('/admin/clear-cache',function(){
 	if(login()) {
 		config('views.root', 'system/admin/views');
-		render('rebuilt-cache', array(
-			'head_contents' => head_contents('Rebuilt cache started - ' . blog_title(), blog_description(), site_url()),
-			'bodyclass' => 'rebuiltcache',
-			'breadcrumb' => '<a href="' . site_url() . '">' .config('breadcrumb.home'). '</a> &#187; Rebuilt cache started'
+		render('clear-cache', array(
+			'head_contents' => head_contents('Clearing cache started - ' . blog_title(), blog_description(), site_url()),
+			'bodyclass' => 'clearcache',
+			'breadcrumb' => '<a href="' . site_url() . '">' .config('breadcrumb.home'). '</a> &#187; Clearing cache started'
 		));
 	}
 	else {
@@ -916,6 +934,10 @@ get('/admin/rebuilt-cache',function(){
 // The tag page
 get('/tag/:tag',function($tag){
 
+	if(!login()) {
+		file_cache($_SERVER['REQUEST_URI']);
+	}
+
 	$page = from($_GET, 'page');
 	$page = $page ? (int)$page : 1;
 	$perpage = config('tag.perpage');
@@ -942,6 +964,10 @@ get('/tag/:tag',function($tag){
 // The archive page
 get('/archive/:req',function($req){
 
+	if(!login()) {
+		file_cache($_SERVER['REQUEST_URI']);
+	}
+
 	$page = from($_GET, 'page');
 	$page = $page ? (int)$page : 1;
 	$perpage = config('archive.perpage');
@@ -986,6 +1012,10 @@ get('/archive/:req',function($req){
 // The search page
 get('/search/:keyword', function($keyword){
 
+	if(!login()) {
+		file_cache($_SERVER['REQUEST_URI']);
+	}
+
 	$page = from($_GET, 'page');
 	$page = $page ? (int)$page : 1;
 	$perpage = config('search.perpage');

system/includes/dispatch.php

@@ -273,6 +273,15 @@ function content($value = null) {
 
 function render($view, $locals = null, $layout = null) {
 
+  if(!login()) {
+    $c = str_replace('/', '#', str_replace('?', '~', $_SERVER['REQUEST_URI']));
+    $dir = 'cache/page';
+    $cachefile = $dir. '/' . $c . '.cache';
+    if(is_dir($dir) === false) {
+      mkdir($dir, 0777, true);
+    }
+  }
+
   if (is_array($locals) && count($locals)) {
     extract($locals, EXTR_SKIP);
   }
@@ -297,11 +306,19 @@ function render($view, $locals = null, $layout = null) {
 
     ob_start();
     require $layout;
+	
+    if(!login()) {
+      if (!file_exists($cachefile)) {
+        file_put_contents($cachefile, ob_get_contents());
+      }
+	}
+
     echo trim(ob_get_clean());
 	  
   } else {
     echo content();
   }
+
 }
 
 function json($obj, $code = 200) {

system/includes/functions.php

@@ -1685,8 +1685,21 @@ EOF;
 	echo '<li><a href="'.$base.'edit/profile">Edit profile</a></li>';
 	echo '<li><a href="'.$base.'admin/import">Import</a></li>';
 	echo '<li><a href="'.$base.'admin/backup">Backup</a></li>';
-	echo '<li><a href="'.$base.'admin/rebuilt-cache">Rebuilt cache</a></li>';
+	echo '<li><a href="'.$base.'admin/clear-cache">Clear cache</a></li>';
 	echo '<li><a href="'.$base.'logout">Logout</a></li>';
 		
 	echo '</ul></div>';
 }
+
+// File cache 
+function file_cache($request) {
+
+	$c = str_replace('/', '#', str_replace('?', '~', $request));
+	$cachefile = 'cache/page/' . $c . '.cache';
+	
+	if (file_exists($cachefile)) {
+	    header('Content-type: text/html; charset=utf-8');
+		readfile($cachefile);
+		die;
+	}
+}