From b47cf3e363c3c7ca2f6a6c714c217c8229033693 Mon Sep 17 00:00:00 2001
From: Danang Probo Sayekti <dan@danpros.com>
Date: Fri, 7 Feb 2014 20:21:05 +0700
Subject: [PATCH] Add limit RSS length

Add option to limit rss length.
---
 config/config.ini.example        |  7 +++++-
 system/htmly.php                 |  9 +++++++-
 system/includes/functions.php    | 48 ++++++++++++++++++++++------------------
 themes/clean/no-posts.html.php   |  1 +
 themes/default/no-posts.html.php |  1 +
 5 files changed, 43 insertions(+), 23 deletions(-)
 create mode 100644 themes/clean/no-posts.html.php
 create mode 100644 themes/default/no-posts.html.php

diff --git a/config/config.ini.example b/config/config.ini.example
index 6b58432..106ebfa 100644
--- a/config/config.ini.example
+++ b/config/config.ini.example
@@ -34,7 +34,6 @@ tag.perpage = "10"
 archive.perpage = "10"
 search.perpage = "10"
 profile.perpage = "10"
-rss.count = "10"
 json.count = "10"
 
 ; Related posts
@@ -49,6 +48,12 @@ teaser.char = "200"
 ; Description char count
 description.char = "150"
 
+;RSS feed count
+rss.count = "10"
+
+;RSS feed description length. If left empty we will use full page.
+rss.char = ""
+
 ; Enable image thumbnail on teaser, the options is "true" and "false". If set to "true", you can specify the default thumbnail also.
 img.thumbnail = "true"
 default.thumbnail = ""
diff --git a/system/htmly.php b/system/htmly.php
index 9959fb1..6777bc8 100644
--- a/system/htmly.php
+++ b/system/htmly.php
@@ -27,8 +27,15 @@ get('/index', function () {
 	$total = '';
 	
 	if(empty($posts) || $page < 1){
+	
 		// a non-existing page
-		welcome_page();
+		render('no-posts',array(
+			'title' => config('blog.title'),
+			'canonical' => site_url(),
+			'description' => config('blog.description'),
+			'bodyclass' => 'noposts',
+		));
+		
 		die;
 	}
 	
diff --git a/system/includes/functions.php b/system/includes/functions.php
index 85d7a37..89e48fa 100644
--- a/system/includes/functions.php
+++ b/system/includes/functions.php
@@ -961,6 +961,7 @@ function generate_rss($posts){
 	
 	$feed = new Feed();
 	$channel = new Channel();
+	$rssLength = config('rss.char');
 	
 	$channel
 		->title(config('blog.title'))
@@ -969,6 +970,23 @@ function generate_rss($posts){
 		->appendTo($feed);
 
 	foreach($posts as $p){
+	
+		if(!empty($rssLength)) {
+			if (strlen(strip_tags($p->body)) < config('rss.char')) {
+				$string = preg_replace('/\s\s+/', ' ', strip_tags($p->body));
+				$body = $string . '...' . ' <a class="readmore" href="' . $p->url . '#more">more</a>' ;
+			}
+			else {
+				$string = preg_replace('/\s\s+/', ' ', strip_tags($p->body));
+				$string = substr($string, 0, config('rss.char'));
+				$string = substr($string, 0, strrpos($string, ' '));
+				$body = $string . '...' . ' <a class="readmore" href="' . $p->url . '#more">more</a>' ;
+			}
+		}
+		else {
+			$body = $p->body;
+		}
+	
 		$item = new Item();
 		$tags = explode(',', str_replace(' ', '', strip_tags($p->tag)));
 		foreach($tags as $tag) {
@@ -978,7 +996,7 @@ function generate_rss($posts){
 		$item
 			->title($p->title)
 			->pubDate($p->date)
-			->description($p->body)
+			->description($body)
 			->url($p->url)
 			->appendTo($channel);
 	}
@@ -1087,7 +1105,7 @@ function generate_sitemap($str){
 	elseif ($str == 'base') {
 	
 		echo '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">';
-		echo '<url><loc>' . site_url() . '</loc><changefreq>hourly</changefreq><priority>1.0</priority></url>';
+		echo '<url><loc>' . site_url() . '</loc><priority>1.0</priority></url>';
 		echo '</urlset>';
 		
 	}
@@ -1098,7 +1116,7 @@ function generate_sitemap($str){
 		echo '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">';
 		
 		foreach($posts as $p) {
-			echo '<url><loc>' . $p->url . '</loc><changefreq>monthly</changefreq><priority>0.5</priority></url>';
+			echo '<url><loc>' . $p->url . '</loc><priority>0.5</priority></url>';
 		}
 		
 		echo '</urlset>';
@@ -1113,7 +1131,7 @@ function generate_sitemap($str){
 		if(!empty($posts)) {
 		
 			foreach($posts as $p) {
-				echo '<url><loc>' . $p->url . '</loc><changefreq>monthly</changefreq><priority>0.5</priority></url>';
+				echo '<url><loc>' . $p->url . '</loc><priority>0.5</priority></url>';
 			}
 		
 		}
@@ -1149,7 +1167,7 @@ function generate_sitemap($str){
 			$tag = array_unique($tag, SORT_REGULAR);
 			
 			foreach($tag as $t) {
-				echo '<url><loc>' . $t . '</loc><changefreq>weekly</changefreq><priority>0.5</priority></url>';
+				echo '<url><loc>' . $t . '</loc><priority>0.5</priority></url>';
 			}
 		
 		}
@@ -1178,15 +1196,15 @@ function generate_sitemap($str){
 		echo '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">';
 		
 		foreach($day as $d) {
-			echo '<url><loc>' . $d . '</loc><changefreq>monthly</changefreq><priority>0.5</priority></url>';
+			echo '<url><loc>' . $d . '</loc><priority>0.5</priority></url>';
 		}
 		
 		foreach($month as $m) {
-			echo '<url><loc>' . $m . '</loc><changefreq>monthly</changefreq><priority>0.5</priority></url>';
+			echo '<url><loc>' . $m . '</loc><priority>0.5</priority></url>';
 		}
 		
 		foreach($year as $y) {
-			echo '<url><loc>' . $y . '</loc><changefreq>monthly</changefreq><priority>0.5</priority></url>';
+			echo '<url><loc>' . $y . '</loc><priority>0.5</priority></url>';
 		}
 		
 		echo '</urlset>';
@@ -1206,7 +1224,7 @@ function generate_sitemap($str){
 		echo '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">';
 		
 		foreach($author as $a) {
-			echo '<url><loc>' . $a . '</loc><changefreq>daily</changefreq><priority>0.5</priority></url>';
+			echo '<url><loc>' . $a . '</loc><priority>0.5</priority></url>';
 		}
 		
 		echo '</urlset>';
@@ -1245,16 +1263,4 @@ function generate_opml(){
 // Turn an array of posts into a JSON
 function generate_json($posts){
 	return json_encode($posts);
-}
-
-function welcome_page() {
-	echo <<<EOF
-	<div style="font-size:20px;text-align:center;padding:50px 20px;">
-		<h1>Welcome to your new HTMLy-powered blog.</h1>
-		<p>The next thing you will need to do is creating the first account. Please create <strong><em>YourUsername.ini</em></strong> inside <strong><em>config/users</em></strong> folder and write down your password there:</p>
-		<pre><code>password = YourPassword</code></pre>
-		<p>Login to your blog admin panel at <strong><em>www.example.com/admin</em></strong> to creating your first post.</p>
-		<p>This welcome message will disappear after your first post published.</p>
-	</div>
-EOF;
 }
\ No newline at end of file
diff --git a/themes/clean/no-posts.html.php b/themes/clean/no-posts.html.php
new file mode 100644
index 0000000..861e375
--- /dev/null
+++ b/themes/clean/no-posts.html.php
@@ -0,0 +1 @@
+<h1>No posts found!</h1>
\ No newline at end of file
diff --git a/themes/default/no-posts.html.php b/themes/default/no-posts.html.php
new file mode 100644
index 0000000..861e375
--- /dev/null
+++ b/themes/default/no-posts.html.php
@@ -0,0 +1 @@
+<h1>No posts found!</h1>
\ No newline at end of file