af_redditimgur: do not process content multiple times

diff --git a/plugins/af_redditimgur/init.php b/plugins/af_redditimgur/init.php
index a258f3c08e402df71afd583a1ee60f5cfca75e5f..4425fe1c022b06d322ba13e10d1b576cd93a6750 100644 (file)
--- a/plugins/af_redditimgur/init.php
+++ b/plugins/af_redditimgur/init.php
@@ -18,40 +18,46 @@ class Af_RedditImgur extends Plugin {
        }
 
        function hook_article_filter($article) {
+               $owner_uid = $article["owner_uid"];
 
                if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
-                       $doc = new DOMDocument();
-                       @$doc->loadHTML($article["content"]);
+                       if (strpos($article["plugin_data"], "redditimgur,$owner_uid:") === FALSE) {
+                               $doc = new DOMDocument();
+                               @$doc->loadHTML($article["content"]);
 
-                       if ($doc) {
-                               $xpath = new DOMXPath($doc);
-                               $entries = $xpath->query('(//a[@href]|//img[@src])');
+                               if ($doc) {
+                                       $xpath = new DOMXPath($doc);
+                                       $entries = $xpath->query('(//a[@href]|//img[@src])');
 
-                               foreach ($entries as $entry) {
-                                       if ($entry->hasAttribute("href")) {
-                                               if (preg_match("/\.(jpg|jpeg|gif|png)$/i", $entry->getAttribute("href"))) {
+                                       foreach ($entries as $entry) {
+                                               if ($entry->hasAttribute("href")) {
+                                                       if (preg_match("/\.(jpg|jpeg|gif|png)$/i", $entry->getAttribute("href"))) {
 
-                                                       $img = $doc->createElement('img');
-                                                       $img->setAttribute("src", $entry->getAttribute("href"));
+                                                               $img = $doc->createElement('img');
+                                                               $img->setAttribute("src", $entry->getAttribute("href"));
 
-                                                       $entry->parentNode->replaceChild($img, $entry);
+                                                               $entry->parentNode->replaceChild($img, $entry);
+                                                       }
                                                }
-                                       }
 
-                                       // remove tiny thumbnails
-                                       if ($entry->hasAttribute("src")) {
-                                               if ($entry->parentNode && $entry->parentNode->parentNode) {
-                                                       $entry->parentNode->parentNode->removeChild($entry->parentNode);
+                                               // remove tiny thumbnails
+                                               if ($entry->hasAttribute("src")) {
+                                                       if ($entry->parentNode && $entry->parentNode->parentNode) {
+                                                               $entry->parentNode->parentNode->removeChild($entry->parentNode);
+                                                       }
                                                }
                                        }
-                               }
 
-                               $node = $doc->getElementsByTagName('body')->item(0);
+                                       $node = $doc->getElementsByTagName('body')->item(0);
 
-                               if ($node) {
-                                       $article["content"] = $doc->saveXML($node, LIBXML_NOEMPTYTAG);
+                                       if ($node) {
+                                               $article["content"] = $doc->saveXML($node, LIBXML_NOEMPTYTAG);
+                                               $article["plugin_data"] = "redditimgur,$owner_uid:" . $article["plugin_data"];
+                                       }
                                }
                        }
+               } else if (isset($article["stored"]["content"])) {
+                       $article["content"] = $article["stored"]["content"];
                }
 
                return $article;