From 7e5f8d9fb323dc5e47f545984c6f9b3d320a2912 Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@madoka.volgo-balt.ru>
Date: Thu, 4 May 2017 14:38:45 +0300
Subject: [PATCH] move the following to Article:

+       static function format_article_enclosures($id, $always_display_enclosures,
+       static function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
+       static function get_article_tags($id, $owner_uid = 0, $tag_cache = false) {
+       static function format_tags_string($tags) {
+       static function format_article_labels($labels) {
+       static function format_article_note($id, $note, $allow_edit = true) {
+       static function get_article_enclosures($id) {
---
 classes/api.php            |   4 +-
 classes/article.php        | 497 ++++++++++++++++++++++++++++++++++++-
 classes/feeds.php          |   8 +-
 classes/handler/public.php |   8 +-
 include/functions2.php     | 483 -----------------------------------
 5 files changed, 499 insertions(+), 501 deletions(-)

diff --git a/classes/api.php b/classes/api.php
index 2f1a563c..65bca190 100644
--- a/classes/api.php
+++ b/classes/api.php
@@ -347,7 +347,7 @@ class API extends Handler {
 
 				while ($line = $this->dbh->fetch_assoc($result)) {
 
-					$attachments = get_article_enclosures($line['id']);
+					$attachments = Article::get_article_enclosures($line['id']);
 
 					$article = array(
 						"id" => $line["id"],
@@ -769,7 +769,7 @@ class API extends Handler {
 					);
 
 					if ($include_attachments)
-						$headline_row['attachments'] = get_article_enclosures(
+						$headline_row['attachments'] = Article::get_article_enclosures(
 							$line['id']);
 
 					if ($show_excerpt)
diff --git a/classes/article.php b/classes/article.php
index b842ea40..e0c8d3e6 100644
--- a/classes/article.php
+++ b/classes/article.php
@@ -37,16 +37,16 @@ class Article extends Handler_Protected {
 		$articles = array();
 
 		if ($mode == "") {
-			array_push($articles, format_article($id, false));
+			array_push($articles, $this->format_article($id, false));
 		} else if ($mode == "zoom") {
-			array_push($articles, format_article($id, true, true));
+			array_push($articles, $this->format_article($id, true, true));
 		} else if ($mode == "raw") {
 			if (isset($_REQUEST['html'])) {
 				header("Content-Type: text/html");
 				print '<link rel="stylesheet" type="text/css" href="css/tt-rss.css"/>';
 			}
 
-			$article = format_article($id, false, isset($_REQUEST["zoom"]));
+			$article = $this->format_article($id, false, isset($_REQUEST["zoom"]));
 			print $article['content'];
 			return;
 		}
@@ -56,7 +56,7 @@ class Article extends Handler_Protected {
 		if (!$_SESSION["bw_limit"]) {
 			foreach ($cids as $cid) {
 				if ($cid) {
-					array_push($articles, format_article($cid, false, false));
+					array_push($articles, $this->format_article($cid, false, false));
 				}
 			}
 		}
@@ -198,7 +198,7 @@ class Article extends Handler_Protected {
 
 		$param = $this->dbh->escape_string($_REQUEST['param']);
 
-		$tags = get_article_tags($this->dbh->escape_string($param));
+		$tags = Article::get_article_tags($this->dbh->escape_string($param));
 
 		$tags_str = join(", ", $tags);
 
@@ -304,8 +304,8 @@ class Article extends Handler_Protected {
 
 		$this->dbh->query("COMMIT");
 
-		$tags = get_article_tags($id);
-		$tags_str = format_tags_string($tags, $id);
+		$tags = Article::get_article_tags($id);
+		$tags_str = $this->format_tags_string($tags, $id);
 		$tags_str_full = join(", ", $tags);
 
 		if (!$tags_str_full) $tags_str_full = __("no tags");
@@ -361,7 +361,7 @@ class Article extends Handler_Protected {
 				$labels = get_article_labels($id, $_SESSION["uid"]);
 
 				array_push($reply["info-for-headlines"],
-				array("id" => $id, "labels" => format_article_labels($labels)));
+				array("id" => $id, "labels" => $this->format_article_labels($labels)));
 
 			}
 		}
@@ -382,5 +382,486 @@ class Article extends Handler_Protected {
 		}
 	}
 
+	static function format_article_enclosures($id, $always_display_enclosures,
+									   $article_content, $hide_images = false) {
+
+		$result = Article::get_article_enclosures($id);
+		$rv = '';
+
+		foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_FORMAT_ENCLOSURES) as $plugin) {
+			$retval = $plugin->hook_format_enclosures($rv, $result, $id, $always_display_enclosures, $article_content, $hide_images);
+			if (is_array($retval)) {
+				$rv = $retval[0];
+				$result = $retval[1];
+			} else {
+				$rv = $retval;
+			}
+		}
+		unset($retval); // Unset to prevent breaking render if there are no HOOK_RENDER_ENCLOSURE hooks below.
+
+		if ($rv === '' && !empty($result)) {
+			$entries_html = array();
+			$entries = array();
+			$entries_inline = array();
+
+			foreach ($result as $line) {
+
+				foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ENCLOSURE_ENTRY) as $plugin) {
+					$line = $plugin->hook_enclosure_entry($line);
+				}
+
+				$url = $line["content_url"];
+				$ctype = $line["content_type"];
+				$title = $line["title"];
+				$width = $line["width"];
+				$height = $line["height"];
+
+				if (!$ctype) $ctype = __("unknown type");
+
+				//$filename = substr($url, strrpos($url, "/")+1);
+				$filename = basename($url);
+
+				$player = format_inline_player($url, $ctype);
+
+				if ($player) array_push($entries_inline, $player);
+
+#				$entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\" rel=\"noopener noreferrer\">" .
+#					$filename . " (" . $ctype . ")" . "</a>";
+
+				$entry = "<div onclick=\"openUrlPopup('".htmlspecialchars($url)."')\"
+					dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
+
+				array_push($entries_html, $entry);
+
+				$entry = array();
+
+				$entry["type"] = $ctype;
+				$entry["filename"] = $filename;
+				$entry["url"] = $url;
+				$entry["title"] = $title;
+				$entry["width"] = $width;
+				$entry["height"] = $height;
+
+				array_push($entries, $entry);
+			}
+
+			if ($_SESSION['uid'] && !get_pref("STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
+				if ($always_display_enclosures ||
+					!preg_match("/<img/i", $article_content)) {
+
+					foreach ($entries as $entry) {
+
+						foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ENCLOSURE) as $plugin)
+							$retval = $plugin->hook_render_enclosure($entry, $hide_images);
+
+
+						if ($retval) {
+							$rv .= $retval;
+						} else {
+
+							if (preg_match("/image/", $entry["type"])) {
+
+								if (!$hide_images) {
+									$encsize = '';
+									if ($entry['height'] > 0)
+										$encsize .= ' height="' . intval($entry['height']) . '"';
+									if ($entry['width'] > 0)
+										$encsize .= ' width="' . intval($entry['width']) . '"';
+									$rv .= "<p><img
+										alt=\"".htmlspecialchars($entry["filename"])."\"
+										src=\"" .htmlspecialchars($entry["url"]) . "\"
+										" . $encsize . " /></p>";
+								} else {
+									$rv .= "<p><a target=\"_blank\" rel=\"noopener noreferrer\"
+										href=\"".htmlspecialchars($entry["url"])."\"
+										>" .htmlspecialchars($entry["url"]) . "</a></p>";
+								}
+
+								if ($entry['title']) {
+									$rv.= "<div class=\"enclosure_title\">${entry['title']}</div>";
+								}
+							}
+						}
+					}
+				}
+			}
+
+			if (count($entries_inline) > 0) {
+				$rv .= "<hr clear='both'/>";
+				foreach ($entries_inline as $entry) { $rv .= $entry; };
+				$rv .= "<hr clear='both'/>";
+			}
+
+			$rv .= "<div class=\"attachments\" dojoType=\"dijit.form.DropDownButton\">".
+				"<span>" . __('Attachments')."</span>";
+
+			$rv .= "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
+
+			foreach ($entries as $entry) {
+				if ($entry["title"])
+					$title = " &mdash; " . truncate_string($entry["title"], 30);
+				else
+					$title = "";
+
+				if ($entry["filename"])
+					$filename = truncate_middle(htmlspecialchars($entry["filename"]), 60);
+				else
+					$filename = "";
+
+				$rv .= "<div onclick='openUrlPopup(\"".htmlspecialchars($entry["url"])."\")'
+					dojoType=\"dijit.MenuItem\">".$filename . $title."</div>";
+
+			};
+
+			$rv .= "</div>";
+			$rv .= "</div>";
+		}
+
+		return $rv;
+	}
+
+	static function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
+		if (!$owner_uid) $owner_uid = $_SESSION["uid"];
+
+		$rv = array();
+
+		$rv['id'] = $id;
+
+		/* we can figure out feed_id from article id anyway, why do we
+		 * pass feed_id here? let's ignore the argument :(*/
+
+		$result = db_query("SELECT feed_id FROM ttrss_user_entries
+			WHERE ref_id = '$id'");
+
+		$feed_id = (int) db_fetch_result($result, 0, "feed_id");
+
+		$rv['feed_id'] = $feed_id;
+
+		//if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
+
+		if ($mark_as_read) {
+			$result = db_query("UPDATE ttrss_user_entries
+				SET unread = false,last_read = NOW()
+				WHERE ref_id = '$id' AND owner_uid = $owner_uid");
+
+			ccache_update($feed_id, $owner_uid);
+		}
+
+		$result = db_query("SELECT id,title,link,content,feed_id,comments,int_id,lang,
+			".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
+			(SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
+			(SELECT title FROM ttrss_feeds WHERE id = feed_id) as feed_title,
+			(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
+			(SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,
+			num_comments,
+			tag_cache,
+			author,
+			guid,
+			orig_feed_id,
+			note
+			FROM ttrss_entries,ttrss_user_entries
+			WHERE	id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
+
+		if ($result) {
+
+			$line = db_fetch_assoc($result);
+
+			$line["tags"] = Article::get_article_tags($id, $owner_uid, $line["tag_cache"]);
+			unset($line["tag_cache"]);
+
+			$line["content"] = sanitize($line["content"],
+				sql_bool_to_bool($line['hide_images']),
+				$owner_uid, $line["site_url"], false, $line["id"]);
+
+			foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE) as $p) {
+				$line = $p->hook_render_article($line);
+			}
+
+			$num_comments = (int) $line["num_comments"];
+			$entry_comments = "";
+
+			if ($num_comments > 0) {
+				if ($line["comments"]) {
+					$comments_url = htmlspecialchars($line["comments"]);
+				} else {
+					$comments_url = htmlspecialchars($line["link"]);
+				}
+				$entry_comments = "<a class=\"postComments\"
+					target='_blank' rel=\"noopener noreferrer\" href=\"$comments_url\">$num_comments ".
+					_ngettext("comment", "comments", $num_comments)."</a>";
+
+			} else {
+				if ($line["comments"] && $line["link"] != $line["comments"]) {
+					$entry_comments = "<a class=\"postComments\" target='_blank' rel=\"noopener noreferrer\" href=\"".htmlspecialchars($line["comments"])."\">".__("comments")."</a>";
+				}
+			}
+
+			if ($zoom_mode) {
+				header("Content-Type: text/html");
+				$rv['content'] .= "<html><head>
+						<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
+						<title>Tiny Tiny RSS - ".$line["title"]."</title>".
+					stylesheet_tag("css/tt-rss.css").
+					stylesheet_tag("css/zoom.css").
+					stylesheet_tag("css/dijit.css")."
+
+						<link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
+						<link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">
+
+					</head><body id=\"ttrssZoom\">";
+			}
+
+			$rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
+
+			$rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
+
+			$entry_author = $line["author"];
+
+			if ($entry_author) {
+				$entry_author = __(" - ") . $entry_author;
+			}
+
+			$parsed_updated = make_local_datetime($line["updated"], true,
+				$owner_uid, true);
+
+			if (!$zoom_mode)
+				$rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
+
+			if ($line["link"]) {
+				$rv['content'] .= "<div class='postTitle'><a target='_blank' rel='noopener noreferrer'
+					title=\"".htmlspecialchars($line['title'])."\"
+					href=\"" .
+					htmlspecialchars($line["link"]) . "\">" .
+					$line["title"] . "</a>" .
+					"<span class='author'>$entry_author</span></div>";
+			} else {
+				$rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
+			}
+
+			if ($zoom_mode) {
+				$feed_title = htmlspecialchars($line["feed_title"]);
+
+				$rv['content'] .= "<div class=\"postFeedTitle\">$feed_title</div>";
+
+				$rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
+			}
+
+			$tags_str = Article::format_tags_string($line["tags"], $id);
+			$tags_str_full = join(", ", $line["tags"]);
+
+			if (!$tags_str_full) $tags_str_full = __("no tags");
+
+			if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
+
+			$rv['content'] .= "<div class='postTags' style='float : right'>
+				<img src='images/tag.png'
+				class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
+
+			if (!$zoom_mode) {
+				$rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
+					<a title=\"".__('Edit tags for this article')."\"
+					href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
+
+				$rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
+					id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
+					position=\"below\">$tags_str_full</div>";
+
+				foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
+					$rv['content'] .= $p->hook_article_button($line);
+				}
+
+			} else {
+				$tags_str = strip_tags($tags_str);
+				$rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
+			}
+			$rv['content'] .= "</div>";
+			$rv['content'] .= "<div clear='both'>";
+
+			foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
+				$rv['content'] .= $p->hook_article_left_button($line);
+			}
+
+			$rv['content'] .= "$entry_comments</div>";
+
+			if ($line["orig_feed_id"]) {
+
+				$tmp_result = db_query("SELECT * FROM ttrss_archived_feeds
+					WHERE id = ".$line["orig_feed_id"] . " AND owner_uid = " . $_SESSION["uid"]);
+
+				if (db_num_rows($tmp_result) != 0) {
+
+					$rv['content'] .= "<div clear='both'>";
+					$rv['content'] .= __("Originally from:");
+
+					$rv['content'] .= "&nbsp;";
+
+					$tmp_line = db_fetch_assoc($tmp_result);
+
+					$rv['content'] .= "<a target='_blank' rel='noopener noreferrer'
+						href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
+						$tmp_line['title'] . "</a>";
+
+					$rv['content'] .= "&nbsp;";
+
+					$rv['content'] .= "<a target='_blank' rel='noopener noreferrer' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
+					$rv['content'] .= "<img title='".__('Feed URL')."' class='tinyFeedIcon' src='images/pub_set.png'></a>";
+
+					$rv['content'] .= "</div>";
+				}
+			}
+
+			$rv['content'] .= "</div>";
+
+			$rv['content'] .= "<div id=\"POSTNOTE-$id\">";
+			if ($line['note']) {
+				$rv['content'] .= Article::format_article_note($id, $line['note'], !$zoom_mode);
+			}
+			$rv['content'] .= "</div>";
+
+			if (!$line['lang']) $line['lang'] = 'en';
+
+			$rv['content'] .= "<div class=\"postContent\" lang=\"".$line['lang']."\">";
+
+			$rv['content'] .= $line["content"];
+
+			if (!$zoom_mode) {
+				$rv['content'] .= Article::format_article_enclosures($id,
+					sql_bool_to_bool($line["always_display_enclosures"]),
+					$line["content"],
+					sql_bool_to_bool($line["hide_images"]));
+			}
+
+			$rv['content'] .= "</div>";
+
+			$rv['content'] .= "</div>";
+
+		}
+
+		if ($zoom_mode) {
+			$rv['content'] .= "
+				<div class='footer'>
+				<button onclick=\"return window.close()\">".
+				__("Close this window")."</button></div>";
+			$rv['content'] .= "</body></html>";
+		}
+
+		return $rv;
+
+	}
+
+	static function get_article_tags($id, $owner_uid = 0, $tag_cache = false) {
+
+		$a_id = db_escape_string($id);
+
+		if (!$owner_uid) $owner_uid = $_SESSION["uid"];
+
+		$query = "SELECT DISTINCT tag_name,
+			owner_uid as owner FROM
+			ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
+			ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
+
+		$tags = array();
+
+		/* check cache first */
+
+		if ($tag_cache === false) {
+			$result = db_query("SELECT tag_cache FROM ttrss_user_entries
+				WHERE ref_id = '$id' AND owner_uid = $owner_uid");
+
+			if (db_num_rows($result) != 0)
+				$tag_cache = db_fetch_result($result, 0, "tag_cache");
+		}
+
+		if ($tag_cache) {
+			$tags = explode(",", $tag_cache);
+		} else {
+
+			/* do it the hard way */
+
+			$tmp_result = db_query($query);
+
+			while ($tmp_line = db_fetch_assoc($tmp_result)) {
+				array_push($tags, $tmp_line["tag_name"]);
+			}
+
+			/* update the cache */
+
+			$tags_str = db_escape_string(join(",", $tags));
+
+			db_query("UPDATE ttrss_user_entries
+				SET tag_cache = '$tags_str' WHERE ref_id = '$id'
+				AND owner_uid = $owner_uid");
+		}
+
+		return $tags;
+	}
+
+	static function format_tags_string($tags) {
+		if (!is_array($tags) || count($tags) == 0) {
+			return __("no tags");
+		} else {
+			$maxtags = min(5, count($tags));
+			$tags_str = "";
+
+			for ($i = 0; $i < $maxtags; $i++) {
+				$tags_str .= "<a class=\"tag\" href=\"#\" onclick=\"viewfeed({feed:'".$tags[$i]."'})\">" . $tags[$i] . "</a>, ";
+			}
+
+			$tags_str = mb_substr($tags_str, 0, mb_strlen($tags_str)-2);
+
+			if (count($tags) > $maxtags)
+				$tags_str .= ", &hellip;";
+
+			return $tags_str;
+		}
+	}
+
+	static function format_article_labels($labels) {
+
+		if (!is_array($labels)) return '';
+
+		$labels_str = "";
+
+		foreach ($labels as $l) {
+			$labels_str .= sprintf("<span class='hlLabelRef'
+				style='color : %s; background-color : %s'>%s</span>",
+				$l[2], $l[3], $l[1]);
+		}
+
+		return $labels_str;
+
+	}
+
+	static function format_article_note($id, $note, $allow_edit = true) {
+
+		$str = "<div class='articleNote'	onclick=\"editArticleNote($id)\">
+			<div class='noteEdit' onclick=\"editArticleNote($id)\">".
+			($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
+
+		return $str;
+	}
+
+	static function get_article_enclosures($id) {
+
+		$query = "SELECT * FROM ttrss_enclosures
+			WHERE post_id = '$id' AND content_url != ''";
+
+		$rv = array();
+
+		$result = db_query($query);
+
+		if (db_num_rows($result) > 0) {
+			while ($line = db_fetch_assoc($result)) {
+
+				if (file_exists(CACHE_DIR . '/images/' . sha1($line["content_url"]))) {
+					$line["content_url"] = get_self_url_prefix() . '/public.php?op=cached_url&hash=' . sha1($line["content_url"]);
+				}
+
+				array_push($rv, $line);
+			}
+		}
+
+		return $rv;
+	}
 
 }
diff --git a/classes/feeds.php b/classes/feeds.php
index 4d4707a9..d0ab0973 100755
--- a/classes/feeds.php
+++ b/classes/feeds.php
@@ -361,7 +361,7 @@ class Feeds extends Handler_Protected {
 				if (!is_array($labels)) $labels = get_article_labels($id);
 
 				$labels_str = "<span class=\"HLLCTR-$id\">";
-				$labels_str .= format_article_labels($labels);
+				$labels_str .= Article::format_article_labels($labels);
 				$labels_str .= "</span>";
 
 				if (count($topmost_article_ids) < 3) {
@@ -672,7 +672,7 @@ class Feeds extends Handler_Protected {
 
 					$reply['content'] .= "<div id=\"POSTNOTE-$id\">";
 					if ($line['note']) {
-						$reply['content'] .= format_article_note($id, $line['note']);
+						$reply['content'] .= Article::format_article_note($id, $line['note']);
 					}
 					$reply['content'] .= "</div>";
 
@@ -720,7 +720,7 @@ class Feeds extends Handler_Protected {
 					$reply['content'] .= "<div class=\"cdmIntermediate\">";
 
 					$always_display_enclosures = sql_bool_to_bool($line["always_display_enclosures"]);
-					$reply['content'] .= format_article_enclosures($id, $always_display_enclosures, $line["content"], sql_bool_to_bool($line["hide_images"]));
+					$reply['content'] .= Article::format_article_enclosures($id, $always_display_enclosures, $line["content"], sql_bool_to_bool($line["hide_images"]));
 
 					$reply['content'] .= "</div>";
 
@@ -730,7 +730,7 @@ class Feeds extends Handler_Protected {
 						$reply['content'] .= $p->hook_article_left_button($line);
 					}
 
-					$tags_str = format_tags_string($tags, $id);
+					$tags_str = Article::format_tags_string($tags, $id);
 
 					$reply['content'] .= "<span class='left'>";
 
diff --git a/classes/handler/public.php b/classes/handler/public.php
index a6bc3ff6..183a7d3b 100644
--- a/classes/handler/public.php
+++ b/classes/handler/public.php
@@ -166,14 +166,14 @@ class Handler_Public extends Handler {
 				$tpl->setVariable('ARTICLE_SOURCE_LINK', htmlspecialchars($line['site_url'] ? $line["site_url"] : get_self_url_prefix()), true);
 				$tpl->setVariable('ARTICLE_SOURCE_TITLE', htmlspecialchars($line['feed_title'] ? $line['feed_title'] : $feed_title), true);
 
-				$tags = get_article_tags($line["id"], $owner_uid);
+				$tags = Article::get_article_tags($line["id"], $owner_uid);
 
 				foreach ($tags as $tag) {
 					$tpl->setVariable('ARTICLE_CATEGORY', htmlspecialchars($tag), true);
 					$tpl->addBlock('category');
 				}
 
-				$enclosures = get_article_enclosures($line["id"]);
+				$enclosures = Article::get_article_enclosures($line["id"]);
 
 				foreach ($enclosures as $e) {
 					$type = htmlspecialchars($e['content_type']);
@@ -252,7 +252,7 @@ class Handler_Public extends Handler {
 					}
 				}
 
-				$enclosures = get_article_enclosures($line["id"]);
+				$enclosures = Article::get_article_enclosures($line["id"]);
 
 				if (count($enclosures) > 0) {
 					$article['enclosures'] = array();
@@ -402,7 +402,7 @@ class Handler_Public extends Handler {
 			$id = $this->dbh->fetch_result($result, 0, "ref_id");
 			$owner_uid = $this->dbh->fetch_result($result, 0, "owner_uid");
 
-			$article = format_article($id, false, true, $owner_uid);
+			$article = Article::format_article($id, false, true, $owner_uid);
 
 			print_r($article['content']);
 
diff --git a/include/functions2.php b/include/functions2.php
index e9220235..b8900e78 100644
--- a/include/functions2.php
+++ b/include/functions2.php
@@ -1136,53 +1136,6 @@
 		}
 	}
 
-	function get_article_tags($id, $owner_uid = 0, $tag_cache = false) {
-
-		$a_id = db_escape_string($id);
-
-		if (!$owner_uid) $owner_uid = $_SESSION["uid"];
-
-		$query = "SELECT DISTINCT tag_name,
-			owner_uid as owner FROM
-			ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
-			ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
-
-		$tags = array();
-
-		/* check cache first */
-
-		if ($tag_cache === false) {
-			$result = db_query("SELECT tag_cache FROM ttrss_user_entries
-				WHERE ref_id = '$id' AND owner_uid = $owner_uid");
-
-			if (db_num_rows($result) != 0)
-				$tag_cache = db_fetch_result($result, 0, "tag_cache");
-		}
-
-		if ($tag_cache) {
-			$tags = explode(",", $tag_cache);
-		} else {
-
-			/* do it the hard way */
-
-			$tmp_result = db_query($query);
-
-			while ($tmp_line = db_fetch_assoc($tmp_result)) {
-				array_push($tags, $tmp_line["tag_name"]);
-			}
-
-			/* update the cache */
-
-			$tags_str = db_escape_string(join(",", $tags));
-
-			db_query("UPDATE ttrss_user_entries
-				SET tag_cache = '$tags_str' WHERE ref_id = '$id'
-				AND owner_uid = $owner_uid");
-		}
-
-		return $tags;
-	}
-
 	function trim_array($array) {
 		$tmp = $array;
 		array_walk($tmp, 'trim');
@@ -1211,235 +1164,6 @@
 		return vsprintf(__(array_shift($args)), $args);
 	}
 
-	function format_article($id, $mark_as_read = true, $zoom_mode = false, $owner_uid = false) {
-		if (!$owner_uid) $owner_uid = $_SESSION["uid"];
-
-		$rv = array();
-
-		$rv['id'] = $id;
-
-		/* we can figure out feed_id from article id anyway, why do we
-		 * pass feed_id here? let's ignore the argument :(*/
-
-		$result = db_query("SELECT feed_id FROM ttrss_user_entries
-			WHERE ref_id = '$id'");
-
-		$feed_id = (int) db_fetch_result($result, 0, "feed_id");
-
-		$rv['feed_id'] = $feed_id;
-
-		//if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
-
-		if ($mark_as_read) {
-			$result = db_query("UPDATE ttrss_user_entries
-				SET unread = false,last_read = NOW()
-				WHERE ref_id = '$id' AND owner_uid = $owner_uid");
-
-			ccache_update($feed_id, $owner_uid);
-		}
-
-		$result = db_query("SELECT id,title,link,content,feed_id,comments,int_id,lang,
-			".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
-			(SELECT site_url FROM ttrss_feeds WHERE id = feed_id) as site_url,
-			(SELECT title FROM ttrss_feeds WHERE id = feed_id) as feed_title,
-			(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) as hide_images,
-			(SELECT always_display_enclosures FROM ttrss_feeds WHERE id = feed_id) as always_display_enclosures,
-			num_comments,
-			tag_cache,
-			author,
-			guid,
-			orig_feed_id,
-			note
-			FROM ttrss_entries,ttrss_user_entries
-			WHERE	id = '$id' AND ref_id = id AND owner_uid = $owner_uid");
-
-		if ($result) {
-
-			$line = db_fetch_assoc($result);
-
-			$line["tags"] = get_article_tags($id, $owner_uid, $line["tag_cache"]);
-			unset($line["tag_cache"]);
-
-			$line["content"] = sanitize($line["content"],
-				sql_bool_to_bool($line['hide_images']),
-				$owner_uid, $line["site_url"], false, $line["id"]);
-
-			foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE) as $p) {
-				$line = $p->hook_render_article($line);
-			}
-
-			$num_comments = (int) $line["num_comments"];
-			$entry_comments = "";
-
-			if ($num_comments > 0) {
-				if ($line["comments"]) {
-					$comments_url = htmlspecialchars($line["comments"]);
-				} else {
-					$comments_url = htmlspecialchars($line["link"]);
-				}
-				$entry_comments = "<a class=\"postComments\"
-					target='_blank' rel=\"noopener noreferrer\" href=\"$comments_url\">$num_comments ".
-					_ngettext("comment", "comments", $num_comments)."</a>";
-
-			} else {
-				if ($line["comments"] && $line["link"] != $line["comments"]) {
-					$entry_comments = "<a class=\"postComments\" target='_blank' rel=\"noopener noreferrer\" href=\"".htmlspecialchars($line["comments"])."\">".__("comments")."</a>";
-				}
-			}
-
-			if ($zoom_mode) {
-				header("Content-Type: text/html");
-				$rv['content'] .= "<html><head>
-						<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
-						<title>Tiny Tiny RSS - ".$line["title"]."</title>".
-						stylesheet_tag("css/tt-rss.css").
-						stylesheet_tag("css/zoom.css").
-						stylesheet_tag("css/dijit.css")."
-
-						<link rel=\"shortcut icon\" type=\"image/png\" href=\"images/favicon.png\">
-						<link rel=\"icon\" type=\"image/png\" sizes=\"72x72\" href=\"images/favicon-72px.png\">
-
-					</head><body id=\"ttrssZoom\">";
-			}
-
-			$rv['content'] .= "<div class=\"postReply\" id=\"POST-$id\">";
-
-			$rv['content'] .= "<div class=\"postHeader\" id=\"POSTHDR-$id\">";
-
-			$entry_author = $line["author"];
-
-			if ($entry_author) {
-				$entry_author = __(" - ") . $entry_author;
-			}
-
-			$parsed_updated = make_local_datetime($line["updated"], true,
-				$owner_uid, true);
-
-			if (!$zoom_mode)
-				$rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
-
-			if ($line["link"]) {
-				$rv['content'] .= "<div class='postTitle'><a target='_blank' rel='noopener noreferrer'
-					title=\"".htmlspecialchars($line['title'])."\"
-					href=\"" .
-					htmlspecialchars($line["link"]) . "\">" .
-					$line["title"] . "</a>" .
-					"<span class='author'>$entry_author</span></div>";
-			} else {
-				$rv['content'] .= "<div class='postTitle'>" . $line["title"] . "$entry_author</div>";
-			}
-
-			if ($zoom_mode) {
-				$feed_title = htmlspecialchars($line["feed_title"]);
-
-				$rv['content'] .= "<div class=\"postFeedTitle\">$feed_title</div>";
-
-				$rv['content'] .= "<div class=\"postDate\">$parsed_updated</div>";
-			}
-
-			$tags_str = format_tags_string($line["tags"], $id);
-			$tags_str_full = join(", ", $line["tags"]);
-
-			if (!$tags_str_full) $tags_str_full = __("no tags");
-
-			if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
-
-			$rv['content'] .= "<div class='postTags' style='float : right'>
-				<img src='images/tag.png'
-				class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
-
-			if (!$zoom_mode) {
-				$rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>
-					<a title=\"".__('Edit tags for this article')."\"
-					href=\"#\" onclick=\"editArticleTags($id, $feed_id)\">(+)</a>";
-
-				$rv['content'] .= "<div dojoType=\"dijit.Tooltip\"
-					id=\"ATSTRTIP-$id\" connectId=\"ATSTR-$id\"
-					position=\"below\">$tags_str_full</div>";
-
-				foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_BUTTON) as $p) {
-					$rv['content'] .= $p->hook_article_button($line);
-				}
-
-			} else {
-				$tags_str = strip_tags($tags_str);
-				$rv['content'] .= "<span id=\"ATSTR-$id\">$tags_str</span>";
-			}
-			$rv['content'] .= "</div>";
-			$rv['content'] .= "<div clear='both'>";
-
-			foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ARTICLE_LEFT_BUTTON) as $p) {
-				$rv['content'] .= $p->hook_article_left_button($line);
-			}
-
-			$rv['content'] .= "$entry_comments</div>";
-
-			if ($line["orig_feed_id"]) {
-
-				$tmp_result = db_query("SELECT * FROM ttrss_archived_feeds
-					WHERE id = ".$line["orig_feed_id"] . " AND owner_uid = " . $_SESSION["uid"]);
-
-				if (db_num_rows($tmp_result) != 0) {
-
-					$rv['content'] .= "<div clear='both'>";
-					$rv['content'] .= __("Originally from:");
-
-					$rv['content'] .= "&nbsp;";
-
-					$tmp_line = db_fetch_assoc($tmp_result);
-
-					$rv['content'] .= "<a target='_blank' rel='noopener noreferrer'
-						href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
-						$tmp_line['title'] . "</a>";
-
-					$rv['content'] .= "&nbsp;";
-
-					$rv['content'] .= "<a target='_blank' rel='noopener noreferrer' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
-					$rv['content'] .= "<img title='".__('Feed URL')."' class='tinyFeedIcon' src='images/pub_set.png'></a>";
-
-					$rv['content'] .= "</div>";
-				}
-			}
-
-			$rv['content'] .= "</div>";
-
-			$rv['content'] .= "<div id=\"POSTNOTE-$id\">";
-				if ($line['note']) {
-					$rv['content'] .= format_article_note($id, $line['note'], !$zoom_mode);
-				}
-			$rv['content'] .= "</div>";
-
-			if (!$line['lang']) $line['lang'] = 'en';
-
-			$rv['content'] .= "<div class=\"postContent\" lang=\"".$line['lang']."\">";
-
-			$rv['content'] .= $line["content"];
-
-			if (!$zoom_mode) {
-				$rv['content'] .= format_article_enclosures($id,
-					sql_bool_to_bool($line["always_display_enclosures"]),
-					$line["content"],
-					sql_bool_to_bool($line["hide_images"]));
-			}
-
-			$rv['content'] .= "</div>";
-
-			$rv['content'] .= "</div>";
-
-		}
-
-		if ($zoom_mode) {
-			$rv['content'] .= "
-				<div class='footer'>
-				<button onclick=\"return window.close()\">".
-					__("Close this window")."</button></div>";
-			$rv['content'] .= "</body></html>";
-		}
-
-		return $rv;
-
-	}
-
 	function print_checkpoint($n, $s) {
 		$ts = microtime(true);
 		echo sprintf("<!-- CP[$n] %.4f seconds -->\n", $ts - $s);
@@ -1589,52 +1313,6 @@
 		return true;
 	}
 
-	function format_tags_string($tags) {
-		if (!is_array($tags) || count($tags) == 0) {
-			return __("no tags");
-		} else {
-			$maxtags = min(5, count($tags));
-			$tags_str = "";
-
-			for ($i = 0; $i < $maxtags; $i++) {
-				$tags_str .= "<a class=\"tag\" href=\"#\" onclick=\"viewfeed({feed:'".$tags[$i]."'})\">" . $tags[$i] . "</a>, ";
-			}
-
-			$tags_str = mb_substr($tags_str, 0, mb_strlen($tags_str)-2);
-
-			if (count($tags) > $maxtags)
-				$tags_str .= ", &hellip;";
-
-			return $tags_str;
-		}
-	}
-
-	function format_article_labels($labels) {
-
-		if (!is_array($labels)) return '';
-
-		$labels_str = "";
-
-		foreach ($labels as $l) {
-			$labels_str .= sprintf("<span class='hlLabelRef'
-				style='color : %s; background-color : %s'>%s</span>",
-					$l[2], $l[3], $l[1]);
-			}
-
-		return $labels_str;
-
-	}
-
-	function format_article_note($id, $note, $allow_edit = true) {
-
-		$str = "<div class='articleNote'	onclick=\"editArticleNote($id)\">
-			<div class='noteEdit' onclick=\"editArticleNote($id)\">".
-			($allow_edit ? __('(edit note)') : "")."</div>$note</div>";
-
-		return $str;
-	}
-
-
 	function add_feed_category($feed_cat, $parent_cat_id = false) {
 
 		if (!$feed_cat) return false;
@@ -1720,29 +1398,6 @@
 
 	}
 
-	function get_article_enclosures($id) {
-
-		$query = "SELECT * FROM ttrss_enclosures
-			WHERE post_id = '$id' AND content_url != ''";
-
-		$rv = array();
-
-		$result = db_query($query);
-
-		if (db_num_rows($result) > 0) {
-			while ($line = db_fetch_assoc($result)) {
-
-				if (file_exists(CACHE_DIR . '/images/' . sha1($line["content_url"]))) {
-					$line["content_url"] = get_self_url_prefix() . '/public.php?op=cached_url&hash=' . sha1($line["content_url"]);
-				}
-
-				array_push($rv, $line);
-			}
-		}
-
-		return $rv;
-	}
-
 	/* function save_email_address($email) {
 		// FIXME: implement persistent storage of emails
 
@@ -1814,144 +1469,6 @@
 		return is_html(fetch_file_contents($url, false, $login, $pass));
 	}
 
-	function format_article_enclosures($id, $always_display_enclosures,
-					$article_content, $hide_images = false) {
-
-		$result = get_article_enclosures($id);
-		$rv = '';
-
-		foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_FORMAT_ENCLOSURES) as $plugin) {
-			$retval = $plugin->hook_format_enclosures($rv, $result, $id, $always_display_enclosures, $article_content, $hide_images);
-			if (is_array($retval)) {
-				$rv = $retval[0];
-				$result = $retval[1];
-			} else {
-				$rv = $retval;
-			}
-		}
-		unset($retval); // Unset to prevent breaking render if there are no HOOK_RENDER_ENCLOSURE hooks below.
-
-		if ($rv === '' && !empty($result)) {
-			$entries_html = array();
-			$entries = array();
-			$entries_inline = array();
-
-			foreach ($result as $line) {
-
-				foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_ENCLOSURE_ENTRY) as $plugin) {
-					$line = $plugin->hook_enclosure_entry($line);
-				}
-				
-				$url = $line["content_url"];
-				$ctype = $line["content_type"];
-				$title = $line["title"];
-				$width = $line["width"];
-				$height = $line["height"];
-
-				if (!$ctype) $ctype = __("unknown type");
-
-				//$filename = substr($url, strrpos($url, "/")+1);
-				$filename = basename($url);
-
-				$player = format_inline_player($url, $ctype);
-
-				if ($player) array_push($entries_inline, $player);
-
-#				$entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\" rel=\"noopener noreferrer\">" .
-#					$filename . " (" . $ctype . ")" . "</a>";
-
-				$entry = "<div onclick=\"openUrlPopup('".htmlspecialchars($url)."')\"
-					dojoType=\"dijit.MenuItem\">$filename ($ctype)</div>";
-
-				array_push($entries_html, $entry);
-
-				$entry = array();
-
-				$entry["type"] = $ctype;
-				$entry["filename"] = $filename;
-				$entry["url"] = $url;
-				$entry["title"] = $title;
-				$entry["width"] = $width;
-				$entry["height"] = $height;
-
-				array_push($entries, $entry);
-			}
-
-			if ($_SESSION['uid'] && !get_pref("STRIP_IMAGES") && !$_SESSION["bw_limit"]) {
-				if ($always_display_enclosures ||
-							!preg_match("/<img/i", $article_content)) {
-
-					foreach ($entries as $entry) {
-
-					foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ENCLOSURE) as $plugin)
-						$retval = $plugin->hook_render_enclosure($entry, $hide_images);
-
-
-						if ($retval) {
-							$rv .= $retval;
-						} else {
-
-							if (preg_match("/image/", $entry["type"])) {
-
-									if (!$hide_images) {
-										$encsize = '';
-										if ($entry['height'] > 0)
-											$encsize .= ' height="' . intval($entry['height']) . '"';
-										if ($entry['width'] > 0)
-											$encsize .= ' width="' . intval($entry['width']) . '"';
-										$rv .= "<p><img
-										alt=\"".htmlspecialchars($entry["filename"])."\"
-										src=\"" .htmlspecialchars($entry["url"]) . "\"
-										" . $encsize . " /></p>";
-									} else {
-										$rv .= "<p><a target=\"_blank\" rel=\"noopener noreferrer\"
-										href=\"".htmlspecialchars($entry["url"])."\"
-										>" .htmlspecialchars($entry["url"]) . "</a></p>";
-									}
-
-									if ($entry['title']) {
-										$rv.= "<div class=\"enclosure_title\">${entry['title']}</div>";
-									}
-							}
-						}
-					}
-				}
-			}
-
-			if (count($entries_inline) > 0) {
-				$rv .= "<hr clear='both'/>";
-				foreach ($entries_inline as $entry) { $rv .= $entry; };
-				$rv .= "<hr clear='both'/>";
-			}
-
-			$rv .= "<div class=\"attachments\" dojoType=\"dijit.form.DropDownButton\">".
-				"<span>" . __('Attachments')."</span>";
-
-			$rv .= "<div dojoType=\"dijit.Menu\" style=\"display: none;\">";
-
-			foreach ($entries as $entry) {
-				if ($entry["title"])
-					$title = " &mdash; " . truncate_string($entry["title"], 30);
-				else
-					$title = "";
-
-				if ($entry["filename"])
-					$filename = truncate_middle(htmlspecialchars($entry["filename"]), 60);
-				else
-					$filename = "";
-
-				$rv .= "<div onclick='openUrlPopup(\"".htmlspecialchars($entry["url"])."\")'
-					dojoType=\"dijit.MenuItem\">".$filename . $title."</div>";
-
-			};
-
-			$rv .= "</div>";
-			$rv .= "</div>";
-		}
-
-		return $rv;
-	}
-
 	function getLastArticleId() {
 		$result = db_query("SELECT ref_id AS id FROM ttrss_user_entries
 			WHERE owner_uid = " . $_SESSION["uid"] . " ORDER BY ref_id DESC LIMIT 1");
-- 
2.39.2