Experimental: Dynamically generated news sitemap.

e107_plugins/gsitemap/e_url.php

@@ -42,6 +42,23 @@ class gsitemap_url // plugin-folder + '_url'
 
 		);
 
+		$addons = e107::getAddonConfig('e_gsitemap', 'gsitemap');
+
+		foreach($addons as $plug => $item)
+		{
+			foreach($item as $data )
+			{
+				$key = $plug.'-'.$data['function'];  // eg. news-latest
+				$config[$key] = array(
+					'alias'         => $key,
+					'regex'			=> '^'.$key.'-sitemap\.xml$', 						// matched against url, and if true, redirected to 'redirect' below.
+					'sef'			=> $key.'-sitemap.xml', 							// used by e107::url(); to create a url from the db table.
+					'redirect'		=> '{e_BASE}gsitemap.php?plug='.$plug.'&func='.$data['function'], 		// file-path of what to load when the regex returns true.
+
+				);
+			}
+
+		}
 
 
 		return $config;

e107_plugins/news/e_gsitemap.php

@@ -20,6 +20,40 @@ e107::coreLan('news');
 
 class news_gsitemap
 {
+
+	// Dynamically Generated Sitemap;
+	function config()
+	{
+		$config = array();
+
+		// Viewable from  my-website.com/news-latest-sitemap.xml  ie. plugin-folder + function + 'sitemap.xml'
+		$config[] = array(
+			'name'			=> "Latest News Posts",
+			'function'		=> "latest",
+		);
+
+		return $config;
+
+	}
+
+	private function getNewsPosts()
+	{
+		/* public, guests */
+		$userclass_list = "0,252";
+		$_t = time();		/* public, quests */
+
+        $query = "SELECT n.*, nc.category_name, nc.category_sef FROM #news AS n 
+                LEFT JOIN #news_category AS nc ON n.news_category = nc.category_id 
+				WHERE n.news_class IN (". $userclass_list.") AND n.news_start < ".$_t." AND (n.news_end=0 || n.news_end>".time().") ORDER BY n.news_datestamp ASC ";
+
+	//	$data = $sql->retrieve("news", "*", "news_class IN (" . $userclass_list . ") AND news_start < " . $_t . "   ORDER BY news_datestamp ASC", true);
+
+		return e107::getDb()->retrieve($query,true);
+
+	}
+
+
+
 	function import()
 	{
 		$import = array();
@@ -41,16 +75,9 @@ class news_gsitemap
 			);
 		}
 
+		$data = $this->getNewsPosts();
 
 
-        $query = "SELECT n.*, nc.category_name, nc.category_sef FROM #news AS n 
-                LEFT JOIN #news_category AS nc ON n.news_category = nc.category_id 
-				WHERE n.news_class IN (". $userclass_list.") AND n.news_start < ".$_t." AND (n.news_end=0 || n.news_end>".time().") ORDER BY n.news_datestamp ASC ";
-
-	//	$data = $sql->retrieve("news", "*", "news_class IN (" . $userclass_list . ") AND news_start < " . $_t . "   ORDER BY news_datestamp ASC", true);
-
-		$data = $sql->retrieve($query,true);
-
 		foreach($data as $row)
 		{
 			$import[] = array(
@@ -66,6 +93,31 @@ class news_gsitemap
 		return $import;
 	}
 
+
+
+	/* Custom Function for dynamic sitemap of news posts */
+	function latest()
+	{
+		$data = $this->getNewsPosts();
+
+		$ret = [];
+
+		foreach($data as $row)
+		{
+			$ret[] = [
+				'url'       => $this->url('news', $row),
+				'lastmod'   => (int) $row['news_datestamp'],
+				'freq'      => 'always',
+				'priority'  => 0.7
+			];
+		}
+
+		return $ret;
+
+	}
+
+
+
 	/**
 	 * Used above and by gsitemap/e_event.php to update the URL when changed in news, pages etc.
 	 *

gsitemap.php

@@ -23,6 +23,105 @@ if(!e107::isInstalled('gsitemap'))
 
 e107::lan('gsitemap'); 
 
+
+
+class gsitemap_xml
+{
+	function __construct()
+	{
+
+		$items = [];
+
+		// Gsitemap Addon.
+		if(!empty($_GET['plug']) && !empty($_GET['func']))
+		{
+			if(!e107::isInstalled($_GET['plug']))
+			{
+				exit;
+			}
+
+			$obj = e107::getAddon($_GET['plug'], 'e_gsitemap');
+			if($items = e107::callMethod($obj, $_GET['func']))
+			{
+				$this->renderXML($items);
+			}
+
+		}
+		else // From Gsitemap Database Table.
+		{
+			$this->renderXML([], 'gsitemap_');
+		}
+
+
+	}
+
+	/**
+	 * @param $items
+	 * @return void
+	 */
+	function renderXML($items=array())
+	{
+		header('Content-type: application/xml', TRUE);
+		$xml = "<?xml version='1.0' encoding='UTF-8'?>
+		<urlset xmlns='http://www.sitemaps.org/schemas/sitemap/0.9'>";
+
+		if(empty($items))
+		{
+			$smArray = e107::getDb()->retrieve("gsitemap", "*", "gsitemap_active IN (".USERCLASS_LIST.") ORDER BY gsitemap_order ",true);
+			$xml .= $this->renderXMLItems($smArray);
+		}
+		else
+		{
+			$xml .= $this->renderXMLItems($items);
+		}
+
+
+		$xml .= "
+		</urlset>";
+
+		echo $xml;
+
+
+
+	}
+
+
+
+	function renderXMLItems($data, $prefix = '')
+	{
+		$tp = e107::getParser();
+
+		$xml = '';
+
+		foreach($data as $sm)
+		{
+			$url = $sm[$prefix.'url'];
+
+			if($url[0] === '/')
+			{
+				 $url = ltrim($url, '/');
+			}
+
+			$loc = (strpos($url, 'http') === 0) ? $url : SITEURL.$tp->replaceConstants($url,true);
+			$xml .= "
+			<url>
+				<loc>".$loc."</loc>
+				<lastmod>".date('c', (int) $sm[$prefix.'lastmod'])."</lastmod>
+		            <changefreq>".$sm[$prefix.'freq']."</changefreq>
+		            <priority>".$sm[$prefix.'priority']."</priority>
+			</url>";
+		}
+
+		return $xml;
+
+	}
+
+}
+
+
+
+// HTML below.
+
 if(e_QUERY == "show" || !empty($_GET['show']))
 {
 	e107::canonical('gsitemap');
@@ -30,7 +129,9 @@ if(e_QUERY == "show" || !empty($_GET['show']))
 
 	require_once(HEADERF);
 
-	$nfArray = $sql ->retrieve("gsitemap", "*", "gsitemap_active IN (".USERCLASS_LIST.") ORDER BY gsitemap_order ",true);
+	$nfArray = e107::getDb()->retrieve("gsitemap", "*", "gsitemap_active IN (".USERCLASS_LIST.") ORDER BY gsitemap_order ",true);
+
+	$tp = e107::getParser();
 
 	if(deftrue('BOOTSTRAP'))
 	{
@@ -54,45 +155,13 @@ if(e_QUERY == "show" || !empty($_GET['show']))
 	}
 	$text .= "</ul></div>";
 
-	$ns -> tablerender(GSLAN_Name."", $text);
+	e107::getRender() -> tablerender(GSLAN_Name, $text);
 
 	require_once(FOOTERF);
 	exit;
 }
 
-header('Content-type: application/xml', TRUE);
+new gsitemap_xml;
-$xml = "<?xml version='1.0' encoding='UTF-8'?>
-<urlset xmlns='http://www.sitemaps.org/schemas/sitemap/0.9'>";
-
-$smArray = e107::getDb()->retrieve("gsitemap", "*", "gsitemap_active IN (".USERCLASS_LIST.") ORDER BY gsitemap_order ",true);
-
-foreach($smArray as $sm)
-{
-	if($sm['gsitemap_url'][0] == '/') $sm['gsitemap_url'] = ltrim($sm['gsitemap_url'], '/');
-	$loc = (substr($sm['gsitemap_url'],0,4)== "http")? $sm['gsitemap_url'] : SITEURL.$tp->replaceConstants($sm['gsitemap_url'],TRUE);
-	$xml .= "
-	<url>
-		<loc>".$loc."</loc>
-		<lastmod>".get_iso_8601_date($sm['gsitemap_lastmod'])."</lastmod>
-    		<changefreq>".$sm['gsitemap_freq']."</changefreq>
-    		<priority>".$sm['gsitemap_priority']."</priority>
-	</url>";
-}
-
-$xml .= "
-</urlset>";
-
-echo $xml;
-
-/* ungu at terong dot com */
-function get_iso_8601_date($int_date)
-{
-   $date_mod = date('Y-m-d\TH:i:s', $int_date);
-   $pre_timezone = date('O', $int_date);
-   $time_zone = substr($pre_timezone, 0, 3).":".substr($pre_timezone, 3, 2);
-   $date_mod .= $time_zone;
-   return $date_mod;
-}