From 78c2a85fd7692b4c2e59c755b3e46755cf655b45 Mon Sep 17 00:00:00 2001
From: dignajar <dignajar@gmail.com>
Date: Sat, 28 Nov 2015 19:46:23 -0300
Subject: [PATCH] Improves Opengraph

---
 plugins/opengraph/plugin.php | 38 +++++++++++++++++++++++++-----------
 1 file changed, 27 insertions(+), 11 deletions(-)

diff --git a/plugins/opengraph/plugin.php b/plugins/opengraph/plugin.php
index 89bf4a5f..96c5c6a1 100644
--- a/plugins/opengraph/plugin.php
+++ b/plugins/opengraph/plugin.php
@@ -7,18 +7,21 @@ class pluginOpenGraph extends Plugin {
 		$dom = new DOMDocument();
 		$dom->loadHTML('<meta http-equiv="content-type" content="text/html; charset=utf-8">'.$content);
 		$finder = new DomXPath($dom);
-		$classname = "bludit-img-opengraph";
-		$images = $finder->query("//img[contains(@class, '$classname')]");
+
+		$images = $finder->query("//img[contains(@class, 'bludit-img-opengraph')]");
+
+		if($images->length==0) {
+			$images = $finder->query("//img");
+		}
 
 		if($images->length>0)
 		{
 			// First image from the list
 			$image = $images->item(0);
-
 			// Get value from attribute src
-			$coverImage = $image->getAttribute('src');
-
-			return $coverImage;
+			$imgSrc = $image->getAttribute('src');
+			// Returns the image src
+			return $imgSrc;
 		}
 
 		return false;
@@ -27,7 +30,7 @@ class pluginOpenGraph extends Plugin {
 	public function siteHead()
 	{
 		global $Url, $Site;
-		global $Post, $Page;
+		global $Post, $Page, $posts;
 
 		$og = array(
 			'locale'	=>$Site->locale(),
@@ -46,14 +49,21 @@ class pluginOpenGraph extends Plugin {
 				$og['title']		= $Post->title().' | '.$og['title'];
 				$og['description']	= $Post->description();
 				$og['url']		= $Post->permalink(true);
-				$og['image']		= $Site->domain().$this->getImage($Post->content());
+
+				$content = $Post->content();
 				break;
+
 			case 'page':
 				$og['type']		= 'article';
 				$og['title']		= $Page->title().' | '.$og['title'];
 				$og['description']	= $Page->description();
 				$og['url']		= $Page->permalink(true);
-				$og['image']		= $Site->domain().$this->getImage($Page->content());
+
+				$content = $Page->content();
+				break;
+
+			default:
+				$content = isset($posts[0])?$posts[0]->content():'';
 				break;
 		}
 
@@ -62,10 +72,16 @@ class pluginOpenGraph extends Plugin {
 		$html .= '<meta property="og:type" content="'.$og['type'].'">'.PHP_EOL;
 		$html .= '<meta property="og:title" content="'.$og['title'].'">'.PHP_EOL;
 		$html .= '<meta property="og:description" content="'.$og['description'].'">'.PHP_EOL;
-		$html .= '<meta property="og:image" content="'.$og['image'].'">'.PHP_EOL;
 		$html .= '<meta property="og:url" content="'.$og['url'].'">'.PHP_EOL;
 		$html .= '<meta property="og:siteName" content="'.$og['siteName'].'">'.PHP_EOL;
 
+		// Get the image from the content
+		$src = $this->getImage( $content );
+		if($src!==false) {
+			$og['image'] = $Site->domain().$src;
+			$html .= '<meta property="og:image" content="'.$og['image'].'">'.PHP_EOL;
+		}
+
 		return $html;
 	}
-}
+}
\ No newline at end of file