add plugin to show all shared articles

plugins/vf_shared/init.php

@@ -0,0 +1,60 @@
+<?php
+class VF_Shared extends Plugin {
+
+	private $host;
+
+	function about() {
+		return array(1.0,
+			"Feed for all articles actively shared by URL",
+			"fox",
+			false);
+	}
+
+	function init($host) {
+		$this->host = $host;
+
+		$host->add_feed(-1, __("Shared articles"), 'plugins/vf_shared/share.png', $this);
+	}
+
+	function api_version() {
+		return 2;
+	}
+
+	function get_unread($feed_id) {
+		$result = db_query("select count(int_id) AS count from ttrss_user_entries where owner_uid = ".$_SESSION["uid"]." and unread = true and uuid != ''");
+
+		return db_fetch_result($result, 0, "count");
+	}
+
+	function get_total($feed_id) {
+		$result = db_query("select count(int_id) AS count from ttrss_user_entries where owner_uid = ".$_SESSION["uid"]." and uuid != ''");
+
+		return db_fetch_result($result, 0, "count");
+	}
+
+	//function queryFeedHeadlines($feed, $limit, $view_mode, $cat_view, $search, $search_mode, $override_order = false, $offset = 0, $owner_uid = 0, $filter = false, $since_id = 0, $include_children = false, $ignore_vfeed_group = false, $override_strategy = false, $override_vfeed = false) {
+
+	function get_headlines($feed_id, $options) {
+		$qfh_ret = queryFeedHeadlines(-4,
+			$options['limit'],
+			$this->get_unread() > 0 ? "adaptive" : "all_articles",
+			false,
+			$options['search'],
+			$options['search_mode'],
+			$options['override_order'],
+			$options['offset'],
+			$options['owner_uid'],
+			$options['filter'],
+			$options['since_id'],
+			$options['include_children'],
+			false,
+			"uuid != ''",
+			"ttrss_feeds.title AS feed_title,");
+
+		$qfh_ret[1] = __("Shared articles");
+
+		return $qfh_ret;
+	}
+
+}
+?>