]> git.wh0rd.org - tt-rss.git/blobdiff - classes/api.php
make pluginhost a singleton
[tt-rss.git] / classes / api.php
index 6f95db0bed0479db683e68e69bc4000141c78d16..9e99ed007f94147181bc1f63f1f80be3e76ddd4b 100644 (file)
@@ -2,7 +2,7 @@
 
 class API extends Handler {
 
-       const API_LEVEL  = 5;
+       const API_LEVEL  = 6;
 
        const STATUS_OK  = 0;
        const STATUS_ERR = 1;
@@ -18,7 +18,7 @@ class API extends Handler {
                                return false;
                        }
 
-                       if ($_SESSION["uid"] && $method != "logout" && !get_pref($this->link, 'ENABLE_API_ACCESS')) {
+                       if ($_SESSION["uid"] && $method != "logout" && !get_pref('ENABLE_API_ACCESS')) {
                                print $this->wrap(self::STATUS_ERR, array("error" => 'API_DISABLED'));
                                return false;
                        }
@@ -50,16 +50,16 @@ class API extends Handler {
                @session_destroy();
                @session_start();
 
-               $login = db_escape_string($this->link, $_REQUEST["user"]);
+               $login = $this->dbh->escape_string($_REQUEST["user"]);
                $password = $_REQUEST["password"];
                $password_base64 = base64_decode($_REQUEST["password"]);
 
                if (SINGLE_USER_MODE) $login = "admin";
 
-               $result = db_query($this->link, "SELECT id FROM ttrss_users WHERE login = '$login'");
+               $result = $this->dbh->query("SELECT id FROM ttrss_users WHERE login = '$login'");
 
-               if (db_num_rows($result) != 0) {
-                       $uid = db_fetch_result($result, 0, "id");
+               if ($this->dbh->num_rows($result) != 0) {
+                       $uid = $this->dbh->fetch_result($result, 0, "id");
                } else {
                        $uid = 0;
                }
@@ -69,11 +69,11 @@ class API extends Handler {
                        return;
                }
 
-               if (get_pref($this->link, "ENABLE_API_ACCESS", $uid)) {
-                       if (authenticate_user($this->link, $login, $password)) {               // try login with normal password
+               if (get_pref("ENABLE_API_ACCESS", $uid)) {
+                       if (authenticate_user($login, $password)) {               // try login with normal password
                                print $this->wrap(self::STATUS_OK, array("session_id" => session_id(),
                                        "api_level" => self::API_LEVEL));
-                       } else if (authenticate_user($this->link, $login, $password_base64)) { // else try with base64_decoded password
+                       } else if (authenticate_user($login, $password_base64)) { // else try with base64_decoded password
                                print $this->wrap(self::STATUS_OK,      array("session_id" => session_id(),
                                        "api_level" => self::API_LEVEL));
                        } else {                                                         // else we are not logged in
@@ -95,34 +95,29 @@ class API extends Handler {
        }
 
        function getUnread() {
-               $feed_id = db_escape_string($this->link, $_REQUEST["feed_id"]);
-               $is_cat = db_escape_string($this->link, $_REQUEST["is_cat"]);
+               $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
+               $is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
 
                if ($feed_id) {
-                       print $this->wrap(self::STATUS_OK, array("unread" => getFeedUnread($this->link, $feed_id, $is_cat)));
+                       print $this->wrap(self::STATUS_OK, array("unread" => getFeedUnread($feed_id, $is_cat)));
                } else {
-                       print $this->wrap(self::STATUS_OK, array("unread" => getGlobalUnread($this->link)));
+                       print $this->wrap(self::STATUS_OK, array("unread" => getGlobalUnread()));
                }
        }
 
        /* Method added for ttrss-reader for Android */
        function getCounters() {
-               print $this->wrap(self::STATUS_OK, getAllCounters($this->link));
-       }
-
-       function getFeedStats() {
-               $feeds = $this->api_get_feed_stats($this->link);
-               print $this->wrap(self::STATUS_OK, $feeds);
+               print $this->wrap(self::STATUS_OK, getAllCounters());
        }
 
        function getFeeds() {
-               $cat_id = db_escape_string($this->link, $_REQUEST["cat_id"]);
+               $cat_id = $this->dbh->escape_string($_REQUEST["cat_id"]);
                $unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
-               $limit = (int) db_escape_string($this->link, $_REQUEST["limit"]);
-               $offset = (int) db_escape_string($this->link, $_REQUEST["offset"]);
+               $limit = (int) $this->dbh->escape_string($_REQUEST["limit"]);
+               $offset = (int) $this->dbh->escape_string($_REQUEST["offset"]);
                $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 
-               $feeds = $this->api_get_feeds($this->link, $cat_id, $unread_only, $limit, $offset, $include_nested);
+               $feeds = $this->api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested);
 
                print $this->wrap(self::STATUS_OK, $feeds);
        }
@@ -139,7 +134,7 @@ class API extends Handler {
                else
                        $nested_qpart = "true";
 
-               $result = db_query($this->link, "SELECT
+               $result = $this->dbh->query("SELECT
                                id, title, order_id, (SELECT COUNT(id) FROM
                                ttrss_feeds WHERE
                                ttrss_feed_categories.id IS NOT NULL AND cat_id = ttrss_feed_categories.id) AS num_feeds,
@@ -152,12 +147,12 @@ class API extends Handler {
 
                $cats = array();
 
-               while ($line = db_fetch_assoc($result)) {
+               while ($line = $this->dbh->fetch_assoc($result)) {
                        if ($include_empty || $line["num_feeds"] > 0 || $line["num_cats"] > 0) {
-                               $unread = getFeedUnread($this->link, $line["id"], true);
+                               $unread = getFeedUnread($line["id"], true);
 
                                if ($enable_nested)
-                                       $unread += getCategoryChildrenUnread($this->link, $line["id"]);
+                                       $unread += getCategoryChildrenUnread($line["id"]);
 
                                if ($unread || !$unread_only) {
                                        array_push($cats, array("id" => $line["id"],
@@ -171,11 +166,11 @@ class API extends Handler {
 
                foreach (array(-2,-1,0) as $cat_id) {
                        if ($include_empty || !$this->isCategoryEmpty($cat_id)) {
-                               $unread = getFeedUnread($this->link, $cat_id, true);
+                               $unread = getFeedUnread($cat_id, true);
 
                                if ($unread || !$unread_only) {
                                        array_push($cats, array("id" => $cat_id,
-                                               "title" => getCategoryTitle($this->link, $cat_id),
+                                               "title" => getCategoryTitle($cat_id),
                                                "unread" => $unread));
                                }
                        }
@@ -185,22 +180,22 @@ class API extends Handler {
        }
 
        function getHeadlines() {
-               $feed_id = db_escape_string($this->link, $_REQUEST["feed_id"]);
+               $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
                if ($feed_id != "") {
 
-                       $limit = (int)db_escape_string($this->link, $_REQUEST["limit"]);
+                       $limit = (int)$this->dbh->escape_string($_REQUEST["limit"]);
 
                        if (!$limit || $limit >= 60) $limit = 60;
 
-                       $offset = (int)db_escape_string($this->link, $_REQUEST["skip"]);
-                       $filter = db_escape_string($this->link, $_REQUEST["filter"]);
+                       $offset = (int)$this->dbh->escape_string($_REQUEST["skip"]);
+                       $filter = $this->dbh->escape_string($_REQUEST["filter"]);
                        $is_cat = sql_bool_to_bool($_REQUEST["is_cat"]);
                        $show_excerpt = sql_bool_to_bool($_REQUEST["show_excerpt"]);
                        $show_content = sql_bool_to_bool($_REQUEST["show_content"]);
                        /* all_articles, unread, adaptive, marked, updated */
-                       $view_mode = db_escape_string($this->link, $_REQUEST["view_mode"]);
+                       $view_mode = $this->dbh->escape_string($_REQUEST["view_mode"]);
                        $include_attachments = sql_bool_to_bool($_REQUEST["include_attachments"]);
-                       $since_id = (int)db_escape_string($this->link, $_REQUEST["since_id"]);
+                       $since_id = (int)$this->dbh->escape_string($_REQUEST["since_id"]);
                        $include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
                        $sanitize_content = true;
 
@@ -216,10 +211,10 @@ class API extends Handler {
 
                        /* do not rely on params below */
 
-                       $search = db_escape_string($this->link, $_REQUEST["search"]);
-                       $search_mode = db_escape_string($this->link, $_REQUEST["search_mode"]);
+                       $search = $this->dbh->escape_string($_REQUEST["search"]);
+                       $search_mode = $this->dbh->escape_string($_REQUEST["search_mode"]);
 
-                       $headlines = $this->api_get_headlines($this->link, $feed_id, $limit, $offset,
+                       $headlines = $this->api_get_headlines($feed_id, $limit, $offset,
                                $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $override_order,
                                $include_attachments, $since_id, $search, $search_mode,
                                $include_nested, $sanitize_content);
@@ -231,10 +226,10 @@ class API extends Handler {
        }
 
        function updateArticle() {
-               $article_ids = array_filter(explode(",", db_escape_string($this->link, $_REQUEST["article_ids"])), is_numeric);
-               $mode = (int) db_escape_string($this->link, $_REQUEST["mode"]);
-               $data = db_escape_string($this->link, $_REQUEST["data"]);
-               $field_raw = (int)db_escape_string($this->link, $_REQUEST["field"]);
+               $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
+               $mode = (int) $this->dbh->escape_string($_REQUEST["mode"]);
+               $data = $this->dbh->escape_string($_REQUEST["data"]);
+               $field_raw = (int)$this->dbh->escape_string($_REQUEST["field"]);
 
                $field = "";
                $set_to = "";
@@ -274,16 +269,16 @@ class API extends Handler {
 
                        $article_ids = join(", ", $article_ids);
 
-                       $result = db_query($this->link, "UPDATE ttrss_user_entries SET $field = $set_to $additional_fields WHERE ref_id IN ($article_ids) AND owner_uid = " . $_SESSION["uid"]);
+                       $result = $this->dbh->query("UPDATE ttrss_user_entries SET $field = $set_to $additional_fields WHERE ref_id IN ($article_ids) AND owner_uid = " . $_SESSION["uid"]);
 
-                       $num_updated = db_affected_rows($this->link, $result);
+                       $num_updated = $this->dbh->affected_rows($result);
 
                        if ($num_updated > 0 && $field == "unread") {
-                               $result = db_query($this->link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
+                               $result = $this->dbh->query("SELECT DISTINCT feed_id FROM ttrss_user_entries
                                        WHERE ref_id IN ($article_ids)");
 
-                               while ($line = db_fetch_assoc($result)) {
-                                       ccache_update($this->link, $line["feed_id"], $_SESSION["uid"]);
+                               while ($line = $this->dbh->fetch_assoc($result)) {
+                                       ccache_update($line["feed_id"], $_SESSION["uid"]);
                                }
                        }
 
@@ -291,7 +286,7 @@ class API extends Handler {
                                if (PUBSUBHUBBUB_HUB) {
                                        $rss_link = get_self_url_prefix() .
                                                "/public.php?op=rss&id=-2&key=" .
-                                               get_feed_access_key($this->link, -2, false);
+                                               get_feed_access_key(-2, false);
 
                                        $p = new Publisher(PUBSUBHUBBUB_HUB);
                                        $pubsub_result = $p->publish_update($rss_link);
@@ -309,31 +304,31 @@ class API extends Handler {
 
        function getArticle() {
 
-               $article_id = join(",", array_filter(explode(",", db_escape_string($this->link, $_REQUEST["article_id"])), is_numeric));
+               $article_id = join(",", array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_id"])), is_numeric));
 
                $query = "SELECT id,title,link,content,cached_content,feed_id,comments,int_id,
-                       marked,unread,published,
+                       marked,unread,published,score,
                        ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
                        author
                        FROM ttrss_entries,ttrss_user_entries
                        WHERE   id IN ($article_id) AND ref_id = id AND owner_uid = " .
                                $_SESSION["uid"] ;
 
-               $result = db_query($this->link, $query);
+               $result = $this->dbh->query($query);
 
                $articles = array();
 
-               if (db_num_rows($result) != 0) {
+               if ($this->dbh->num_rows($result) != 0) {
 
-                       while ($line = db_fetch_assoc($result)) {
+                       while ($line = $this->dbh->fetch_assoc($result)) {
 
-                               $attachments = get_article_enclosures($this->link, $line['id']);
+                               $attachments = get_article_enclosures($line['id']);
 
                                $article = array(
                                        "id" => $line["id"],
                                        "title" => $line["title"],
                                        "link" => $line["link"],
-                                       "labels" => get_article_labels($this->link, $line['id']),
+                                       "labels" => get_article_labels($line['id']),
                                        "unread" => sql_bool_to_bool($line["unread"]),
                                        "marked" => sql_bool_to_bool($line["marked"]),
                                        "published" => sql_bool_to_bool($line["published"]),
@@ -342,11 +337,11 @@ class API extends Handler {
                                        "updated" => (int) strtotime($line["updated"]),
                                        "content" => $line["cached_content"] != "" ? $line["cached_content"] : $line["content"],
                                        "feed_id" => $line["feed_id"],
-                                       "attachments" => $attachments
+                                       "attachments" => $attachments,
+                                       "score" => (int)$line["score"]
                                );
 
-                               global $pluginhost;
-                               foreach ($pluginhost->get_hooks($pluginhost::HOOK_RENDER_ARTICLE_API) as $p) {
+                               foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
                                        $article = $p->hook_render_article_api(array("article" => $article));
                                }
 
@@ -367,10 +362,10 @@ class API extends Handler {
 
                $config["daemon_is_running"] = file_is_locked("update_daemon.lock");
 
-               $result = db_query($this->link, "SELECT COUNT(*) AS cf FROM
+               $result = $this->dbh->query("SELECT COUNT(*) AS cf FROM
                        ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 
-               $num_feeds = db_fetch_result($result, 0, "cf");
+               $num_feeds = $this->dbh->fetch_result($result, 0, "cf");
 
                $config["num_feeds"] = (int)$num_feeds;
 
@@ -380,45 +375,45 @@ class API extends Handler {
        function updateFeed() {
                require_once "include/rssfuncs.php";
 
-               $feed_id = (int) db_escape_string($this->link, $_REQUEST["feed_id"]);
+               $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 
-               update_rss_feed($this->link, $feed_id, true);
+               update_rss_feed($feed_id, true);
 
                print $this->wrap(self::STATUS_OK, array("status" => "OK"));
        }
 
        function catchupFeed() {
-               $feed_id = db_escape_string($this->link, $_REQUEST["feed_id"]);
-               $is_cat = db_escape_string($this->link, $_REQUEST["is_cat"]);
+               $feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
+               $is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
 
-               catchup_feed($this->link, $feed_id, $is_cat);
+               catchup_feed($feed_id, $is_cat);
 
                print $this->wrap(self::STATUS_OK, array("status" => "OK"));
        }
 
        function getPref() {
-               $pref_name = db_escape_string($this->link, $_REQUEST["pref_name"]);
+               $pref_name = $this->dbh->escape_string($_REQUEST["pref_name"]);
 
-               print $this->wrap(self::STATUS_OK, array("value" => get_pref($this->link, $pref_name)));
+               print $this->wrap(self::STATUS_OK, array("value" => get_pref($pref_name)));
        }
 
        function getLabels() {
-               //$article_ids = array_filter(explode(",", db_escape_string($this->link, $_REQUEST["article_ids"])), is_numeric);
+               //$article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
 
                $article_id = (int)$_REQUEST['article_id'];
 
                $rv = array();
 
-               $result = db_query($this->link, "SELECT id, caption, fg_color, bg_color
+               $result = $this->dbh->query("SELECT id, caption, fg_color, bg_color
                        FROM ttrss_labels2
                        WHERE owner_uid = '".$_SESSION['uid']."' ORDER BY caption");
 
                if ($article_id)
-                       $article_labels = get_article_labels($this->link, $article_id);
+                       $article_labels = get_article_labels($article_id);
                else
                        $article_labels = array();
 
-               while ($line = db_fetch_assoc($result)) {
+               while ($line = $this->dbh->fetch_assoc($result)) {
 
                        $checked = false;
                        foreach ($article_labels as $al) {
@@ -441,11 +436,11 @@ class API extends Handler {
 
        function setArticleLabel() {
 
-               $article_ids = array_filter(explode(",", db_escape_string($this->link, $_REQUEST["article_ids"])), is_numeric);
-               $label_id = (int) db_escape_string($this->link, $_REQUEST['label_id']);
-               $assign = (bool) db_escape_string($this->link, $_REQUEST['assign']) == "true";
+               $article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
+               $label_id = (int) $this->dbh->escape_string($_REQUEST['label_id']);
+               $assign = (bool) $this->dbh->escape_string($_REQUEST['assign']) == "true";
 
-               $label = db_escape_string($this->link, label_find_caption($this->link,
+               $label = $this->dbh->escape_string(label_find_caption(
                        $label_id, $_SESSION["uid"]));
 
                $num_updated = 0;
@@ -455,9 +450,9 @@ class API extends Handler {
                        foreach ($article_ids as $id) {
 
                                if ($assign)
-                                       label_add_article($this->link, $id, $label, $_SESSION["uid"]);
+                                       label_add_article($id, $label, $_SESSION["uid"]);
                                else
-                                       label_remove_article($this->link, $id, $label, $_SESSION["uid"]);
+                                       label_remove_article($id, $label, $_SESSION["uid"]);
 
                                ++$num_updated;
 
@@ -469,62 +464,39 @@ class API extends Handler {
 
        }
 
-       function index() {
-               print $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD'));
+       function index($method) {
+               $plugin = PluginHost::getInstance()->get_api_method(strtolower($method));
+
+               if ($plugin && method_exists($plugin, $method)) {
+                       $reply = $plugin->$method();
+
+                       print $this->wrap($reply[0], $reply[1]);
+
+               } else {
+                       print $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD', "method" => $method));
+               }
        }
 
        function shareToPublished() {
-               $title = db_escape_string($this->link, strip_tags($_REQUEST["title"]));
-               $url = db_escape_string($this->link, strip_tags($_REQUEST["url"]));
-               $content = db_escape_string($this->link, strip_tags($_REQUEST["content"]));
+               $title = $this->dbh->escape_string(strip_tags($_REQUEST["title"]));
+               $url = $this->dbh->escape_string(strip_tags($_REQUEST["url"]));
+               $content = $this->dbh->escape_string(strip_tags($_REQUEST["content"]));
 
-               if (Article::create_published_article($this->link, $title, $url, $content, "", $_SESSION["uid"])) {
+               if (Article::create_published_article($title, $url, $content, "", $_SESSION["uid"])) {
                        print $this->wrap(self::STATUS_OK, array("status" => 'OK'));
                } else {
                        print $this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
                }
        }
 
-       static function api_get_feed_stats($link) {
-
-        $feeds = array();
-
-        $result = db_query($link, "SELECT ttrss_feeds.id, ttrss_feeds.title,".
-                           " MIN(ttrss_entries.id) AS first, MAX(ttrss_entries.id) AS last,".
-                           " COUNT(ttrss_entries.id) AS total".
-                           " FROM ttrss_entries, ttrss_user_entries, ttrss_feeds".
-                           " WHERE ttrss_user_entries.feed_id = ttrss_feeds.id".
-                           " AND ttrss_user_entries.ref_id = ttrss_entries.id".
-                           " AND ttrss_user_entries.owner_uid = ".$_SESSION["uid"].
-                           " GROUP BY ttrss_feeds.title");
-
-        while ($line = db_fetch_assoc($result)) {
-
-            $unread = getFeedUnread($link, $line["id"]);
-
-            $row = array(
-                "id" => (int)$line["id"],
-                "title" => $line["title"],
-                "first" => (int)$line["first"],
-                "last" => (int)$line["last"],
-                "total" => (int)$line["total"],
-                "unread" => (int)$unread
-            );
-
-            array_push($feeds, $row);
-        }
-
-        return $feeds;
-}
-
-       static function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset, $include_nested = false) {
+       static function api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested = false) {
 
                        $feeds = array();
 
                        /* Labels */
 
                        if ($cat_id == -4 || $cat_id == -2) {
-                               $counters = getLabelCounters($link, true);
+                               $counters = getLabelCounters(true);
 
                                foreach (array_values($counters) as $cv) {
 
@@ -548,10 +520,10 @@ class API extends Handler {
 
                        if ($cat_id == -4 || $cat_id == -1) {
                                foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
-                                       $unread = getFeedUnread($link, $i);
+                                       $unread = getFeedUnread($i);
 
                                        if ($unread || !$unread_only) {
-                                               $title = getFeedTitle($link, $i);
+                                               $title = getFeedTitle($i);
 
                                                $row = array(
                                                                "id" => $i,
@@ -568,14 +540,14 @@ class API extends Handler {
                        /* Child cats */
 
                        if ($include_nested && $cat_id) {
-                               $result = db_query($link, "SELECT
+                               $result = db_query("SELECT
                                        id, title FROM ttrss_feed_categories
                                        WHERE parent_cat = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
                                " ORDER BY id, title");
 
                                while ($line = db_fetch_assoc($result)) {
-                                       $unread = getFeedUnread($link, $line["id"], true) +
-                                               getCategoryChildrenUnread($link, $line["id"]);
+                                       $unread = getFeedUnread($line["id"], true) +
+                                               getCategoryChildrenUnread($line["id"]);
 
                                        if ($unread || !$unread_only) {
                                                $row = array(
@@ -598,7 +570,7 @@ class API extends Handler {
                        }
 
                        if ($cat_id == -4 || $cat_id == -3) {
-                               $result = db_query($link, "SELECT
+                               $result = db_query("SELECT
                                        id, feed_url, cat_id, title, order_id, ".
                                                SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
                                                FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
@@ -610,7 +582,7 @@ class API extends Handler {
                                else
                                        $cat_qpart = "cat_id IS NULL";
 
-                               $result = db_query($link, "SELECT
+                               $result = db_query("SELECT
                                        id, feed_url, cat_id, title, order_id, ".
                                                SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
                                                FROM ttrss_feeds WHERE
@@ -620,7 +592,7 @@ class API extends Handler {
 
                        while ($line = db_fetch_assoc($result)) {
 
-                               $unread = getFeedUnread($link, $line["id"]);
+                               $unread = getFeedUnread($line["id"]);
 
                                $has_icon = feed_has_icon($line['id']);
 
@@ -644,13 +616,13 @@ class API extends Handler {
                return $feeds;
        }
 
-       static function api_get_headlines($link, $feed_id, $limit, $offset,
+       static function api_get_headlines($feed_id, $limit, $offset,
                                $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
                                $include_attachments, $since_id,
                                $search = "", $search_mode = "",
                                $include_nested = false, $sanitize_content = true) {
 
-                       $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
+                       $qfh_ret = queryFeedHeadlines($feed_id, $limit,
                                $view_mode, $is_cat, $search, $search_mode,
                                $order, $offset, 0, false, $since_id, $include_nested);
 
@@ -666,8 +638,8 @@ class API extends Handler {
                                $tags = explode(",", $line["tag_cache"]);
                                $labels = json_decode($line["label_cache"], true);
 
-                               //if (!$tags) $tags = get_article_tags($link, $line["id"]);
-                               //if (!$labels) $labels = get_article_labels($link, $line["id"]);
+                               //if (!$tags) $tags = get_article_tags($line["id"]);
+                               //if (!$labels) $labels = get_article_labels($line["id"]);
 
                                $headline_row = array(
                                                "id" => (int)$line["id"],
@@ -683,7 +655,7 @@ class API extends Handler {
                                        );
 
                                        if ($include_attachments)
-                                               $headline_row['attachments'] = get_article_enclosures($link,
+                                               $headline_row['attachments'] = get_article_enclosures(
                                                        $line['id']);
 
                                if ($show_excerpt) {
@@ -698,7 +670,7 @@ class API extends Handler {
                                        }
 
                                        if ($sanitize_content) {
-                                               $headline_row["content"] = sanitize($link,
+                                               $headline_row["content"] = sanitize(
                                                        $line["content_preview"],
                                                        sql_bool_to_bool($line['hide_images']),
                                                        false, $line["site_url"]);
@@ -720,9 +692,9 @@ class API extends Handler {
                                $headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
 
                                $headline_row["author"] = $line["author"];
+                               $headline_row["score"] = (int)$line["score"];
 
-                               global $pluginhost;
-                               foreach ($pluginhost->get_hooks($pluginhost::HOOK_RENDER_ARTICLE_API) as $p) {
+                               foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
                                        $headline_row = $p->hook_render_article_api(array("headline" => $headline_row));
                                }
 
@@ -733,13 +705,13 @@ class API extends Handler {
        }
 
        function unsubscribeFeed() {
-               $feed_id = (int) db_escape_string($this->link, $_REQUEST["feed_id"]);
+               $feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
 
-               $result = db_query($this->link, "SELECT id FROM ttrss_feeds WHERE
+               $result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
                        id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
 
-               if (db_num_rows($result) != 0) {
-                       Pref_Feeds::remove_feed($this->link, $feed_id, $_SESSION["uid"]);
+               if ($this->dbh->num_rows($result) != 0) {
+                       Pref_Feeds::remove_feed($feed_id, $_SESSION["uid"]);
                        print $this->wrap(self::STATUS_OK, array("status" => "OK"));
                } else {
                        print $this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
@@ -747,13 +719,13 @@ class API extends Handler {
        }
 
        function subscribeToFeed() {
-               $feed_url = db_escape_string($this->link, $_REQUEST["feed_url"]);
-               $category_id = (int) db_escape_string($this->link, $_REQUEST["category_id"]);
-               $login = db_escape_string($this->link, $_REQUEST["login"]);
-               $password = db_escape_string($this->link, $_REQUEST["password"]);
+               $feed_url = $this->dbh->escape_string($_REQUEST["feed_url"]);
+               $category_id = (int) $this->dbh->escape_string($_REQUEST["category_id"]);
+               $login = $this->dbh->escape_string($_REQUEST["login"]);
+               $password = $this->dbh->escape_string($_REQUEST["password"]);
 
                if ($feed_url) {
-                       $rc = subscribe_to_feed($this->link, $feed_url, $category_id,
+                       $rc = subscribe_to_feed($feed_url, $category_id,
                                $login, $password, false);
 
                        print $this->wrap(self::STATUS_OK, array("status" => $rc));
@@ -765,7 +737,7 @@ class API extends Handler {
        function getFeedTree() {
                $include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
 
-               $pf = new Pref_Feeds($this->link, $_REQUEST);
+               $pf = new Pref_Feeds($_REQUEST);
 
                $_REQUEST['mode'] = 2;
                $_REQUEST['force_show_empty'] = $include_empty;
@@ -784,16 +756,16 @@ class API extends Handler {
        private function isCategoryEmpty($id) {
 
                if ($id == -2) {
-                       $result = db_query($this->link, "SELECT COUNT(*) AS count FROM ttrss_labels2
+                       $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_labels2
                                WHERE owner_uid = " . $_SESSION["uid"]);
 
-                       return db_fetch_result($result, 0, "count") == 0;
+                       return $this->dbh->fetch_result($result, 0, "count") == 0;
 
                } else if ($id == 0) {
-                       $result = db_query($this->link, "SELECT COUNT(*) AS count FROM ttrss_feeds
+                       $result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_feeds
                                WHERE cat_id IS NULL AND owner_uid = " . $_SESSION["uid"]);
 
-                       return db_fetch_result($result, 0, "count") == 0;
+                       return $this->dbh->fetch_result($result, 0, "count") == 0;
 
                }