af_redditimgur: do not process content multiple times

plugins/af_redditimgur/init.php

@@ -18,8 +18,10 @@ class Af_RedditImgur extends Plugin {
 	}
 
 	function hook_article_filter($article) {
+		$owner_uid = $article["owner_uid"];
 
 		if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
+			if (strpos($article["plugin_data"], "redditimgur,$owner_uid:") === FALSE) {
 				$doc = new DOMDocument();
 				@$doc->loadHTML($article["content"]);
 
@@ -50,9 +52,13 @@ class Af_RedditImgur extends Plugin {
 
 					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;
 	}