remove classes/db/api.php (shouldn't be there)

1 files changed, 0 insertions, 888 deletions

diff --git a/classes/db/api.php b/classes/db/api.php
deleted file mode 100644
index 9be04cff9..000000000
--- a/classes/db/api.php
+++ /dev/null
@@ -1,888 +0,0 @@
-<?php
-
-class API extends Handler {
-
-	const API_LEVEL  = 13;
-
-	const STATUS_OK  = 0;
-	const STATUS_ERR = 1;
-
-	private $seq;
-
-	function before($method) {
-		if (parent::before($method)) {
-			header("Content-Type: text/json");
-
-			if (!$_SESSION["uid"] && $method != "login" && $method != "isloggedin") {
-				$this->wrap(self::STATUS_ERR, array("error" => 'NOT_LOGGED_IN'));
-				return false;
-			}
-
-			if ($_SESSION["uid"] && $method != "logout" && !get_pref('ENABLE_API_ACCESS')) {
-				$this->wrap(self::STATUS_ERR, array("error" => 'API_DISABLED'));
-				return false;
-			}
-
-			$this->seq = (int) $_REQUEST['seq'];
-
-			return true;
-		}
-		return false;
-	}
-
-	function wrap($status, $reply) {
-		print json_encode(array("seq" => $this->seq,
-			"status" => $status,
-			"content" => $reply));
-	}
-
-	function getVersion() {
-		$rv = array("version" => VERSION);
-		$this->wrap(self::STATUS_OK, $rv);
-	}
-
-	function getApiLevel() {
-		$rv = array("level" => self::API_LEVEL);
-		$this->wrap(self::STATUS_OK, $rv);
-	}
-
-	function login() {
-		@session_destroy();
-		@session_start();
-
-		$login = $this->dbh->escape_string($_REQUEST["user"]);
-		$password = $_REQUEST["password"];
-		$password_base64 = base64_decode($_REQUEST["password"]);
-
-		if (SINGLE_USER_MODE) $login = "admin";
-
-		$result = $this->dbh->query("SELECT id FROM ttrss_users WHERE login = '$login'");
-
-		if ($this->dbh->num_rows($result) != 0) {
-			$uid = $this->dbh->fetch_result($result, 0, "id");
-		} else {
-			$uid = 0;
-		}
-
-		if (!$uid) {
-			$this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
-			return;
-		}
-
-		if (get_pref("ENABLE_API_ACCESS", $uid)) {
-			if (authenticate_user($login, $password)) {               // try login with normal password
-				$this->wrap(self::STATUS_OK, array("session_id" => session_id(),
-					"api_level" => self::API_LEVEL));
-			} else if (authenticate_user($login, $password_base64)) { // else try with base64_decoded password
-				$this->wrap(self::STATUS_OK,	array("session_id" => session_id(),
-					"api_level" => self::API_LEVEL));
-			} else {                                                         // else we are not logged in
-				user_error("Failed login attempt for $login from {$_SERVER['REMOTE_ADDR']}", E_USER_WARNING);
-				$this->wrap(self::STATUS_ERR, array("error" => "LOGIN_ERROR"));
-			}
-		} else {
-			$this->wrap(self::STATUS_ERR, array("error" => "API_DISABLED"));
-		}
-
-	}
-
-	function logout() {
-		logout_user();
-		$this->wrap(self::STATUS_OK, array("status" => "OK"));
-	}
-
-	function isLoggedIn() {
-		$this->wrap(self::STATUS_OK, array("status" => $_SESSION["uid"] != ''));
-	}
-
-	function getUnread() {
-		$feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
-		$is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
-
-		if ($feed_id) {
-			$this->wrap(self::STATUS_OK, array("unread" => getFeedUnread($feed_id, $is_cat)));
-		} else {
-			$this->wrap(self::STATUS_OK, array("unread" => getGlobalUnread()));
-		}
-	}
-
-	/* Method added for ttrss-reader for Android */
-	function getCounters() {
-		$this->wrap(self::STATUS_OK, getAllCounters());
-	}
-
-	function getFeeds() {
-		$cat_id = $this->dbh->escape_string($_REQUEST["cat_id"]);
-		$unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
-		$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 = $this->api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested);
-
-		$this->wrap(self::STATUS_OK, $feeds);
-	}
-
-	function getCategories() {
-		$unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
-		$enable_nested = sql_bool_to_bool($_REQUEST["enable_nested"]);
-		$include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
-
-		// TODO do not return empty categories, return Uncategorized and standard virtual cats
-
-		if ($enable_nested)
-			$nested_qpart = "parent_cat IS NULL";
-		else
-			$nested_qpart = "true";
-
-		$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,
-			(SELECT COUNT(id) FROM
-				ttrss_feed_categories AS c2 WHERE
-				c2.parent_cat = ttrss_feed_categories.id) AS num_cats
-			FROM ttrss_feed_categories
-			WHERE $nested_qpart AND owner_uid = " .
-			$_SESSION["uid"]);
-
-		$cats = array();
-
-		while ($line = $this->dbh->fetch_assoc($result)) {
-			if ($include_empty || $line["num_feeds"] > 0 || $line["num_cats"] > 0) {
-				$unread = getFeedUnread($line["id"], true);
-
-				if ($enable_nested)
-					$unread += getCategoryChildrenUnread($line["id"]);
-
-				if ($unread || !$unread_only) {
-					array_push($cats, array("id" => $line["id"],
-						"title" => $line["title"],
-						"unread" => $unread,
-						"order_id" => (int) $line["order_id"],
-					));
-				}
-			}
-		}
-
-		foreach (array(-2,-1,0) as $cat_id) {
-			if ($include_empty || !$this->isCategoryEmpty($cat_id)) {
-				$unread = getFeedUnread($cat_id, true);
-
-				if ($unread || !$unread_only) {
-					array_push($cats, array("id" => $cat_id,
-						"title" => getCategoryTitle($cat_id),
-						"unread" => $unread));
-				}
-			}
-		}
-
-		$this->wrap(self::STATUS_OK, $cats);
-	}
-
-	function getHeadlines() {
-		$feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
-		if ($feed_id != "") {
-
-			if (is_numeric($feed_id)) $feed_id = (int) $feed_id;
-
-			$limit = (int)$this->dbh->escape_string($_REQUEST["limit"]);
-
-			if (!$limit || $limit >= 200) $limit = 200;
-
-			$offset = (int)$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 = $this->dbh->escape_string($_REQUEST["view_mode"]);
-			$include_attachments = sql_bool_to_bool($_REQUEST["include_attachments"]);
-			$since_id = (int)$this->dbh->escape_string($_REQUEST["since_id"]);
-			$include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
-			$sanitize_content = !isset($_REQUEST["sanitize"]) ||
-				sql_bool_to_bool($_REQUEST["sanitize"]);
-			$force_update = sql_bool_to_bool($_REQUEST["force_update"]);
-			$has_sandbox = sql_bool_to_bool($_REQUEST["has_sandbox"]);
-			$excerpt_length = (int)$this->dbh->escape_string($_REQUEST["excerpt_length"]);
-			$check_first_id = (int)$this->dbh->escape_string($_REQUEST["check_first_id"]);
-			$include_header = sql_bool_to_bool($_REQUEST["include_header"]);
-
-			$_SESSION['hasSandbox'] = $has_sandbox;
-
-			$skip_first_id_check = false;
-
-			$override_order = false;
-			switch ($_REQUEST["order_by"]) {
-				case "title":
-					$override_order = "ttrss_entries.title";
-					break;
-				case "date_reverse":
-					$override_order = "score DESC, date_entered, updated";
-					$skip_first_id_check = true;
-					break;
-				case "feed_dates":
-					$override_order = "updated DESC";
-					break;
-			}
-
-			/* do not rely on params below */
-
-			$search = $this->dbh->escape_string($_REQUEST["search"]);
-
-			list($headlines, $headlines_header) = $this->api_get_headlines($feed_id, $limit, $offset,
-				$filter, $is_cat, $show_excerpt, $show_content, $view_mode, $override_order,
-				$include_attachments, $since_id, $search,
-				$include_nested, $sanitize_content, $force_update, $excerpt_length, $check_first_id, $skip_first_id_check);
-
-			if ($include_header) {
-				$this->wrap(self::STATUS_OK, array($headlines_header, $headlines));
-			} else {
-				$this->wrap(self::STATUS_OK, $headlines);
-			}
-		} else {
-			$this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
-		}
-	}
-
-	function updateArticle() {
-		$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 = "";
-		$set_to = "";
-
-		switch ($field_raw) {
-			case 0:
-				$field = "marked";
-				$additional_fields = ",last_marked = NOW()";
-				break;
-			case 1:
-				$field = "published";
-				$additional_fields = ",last_published = NOW()";
-				break;
-			case 2:
-				$field = "unread";
-				$additional_fields = ",last_read = NOW()";
-				break;
-			case 3:
-				$field = "note";
-		};
-
-		switch ($mode) {
-			case 1:
-				$set_to = "true";
-				break;
-			case 0:
-				$set_to = "false";
-				break;
-			case 2:
-				$set_to = "NOT $field";
-				break;
-		}
-
-		if ($field == "note") $set_to = "'$data'";
-
-		if ($field && $set_to && count($article_ids) > 0) {
-
-			$article_ids = join(", ", $article_ids);
-
-			$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 = $this->dbh->affected_rows($result);
-
-			if ($num_updated > 0 && $field == "unread") {
-				$result = $this->dbh->query("SELECT DISTINCT feed_id FROM ttrss_user_entries
-					WHERE ref_id IN ($article_ids)");
-
-				while ($line = $this->dbh->fetch_assoc($result)) {
-					ccache_update($line["feed_id"], $_SESSION["uid"]);
-				}
-			}
-
-			if ($num_updated > 0 && $field == "published") {
-				if (PUBSUBHUBBUB_HUB) {
-					$rss_link = get_self_url_prefix() .
-						"/public.php?op=rss&id=-2&key=" .
-						get_feed_access_key(-2, false);
-
-					$p = new Publisher(PUBSUBHUBBUB_HUB);
-					$pubsub_result = $p->publish_update($rss_link);
-				}
-			}
-
-			$this->wrap(self::STATUS_OK, array("status" => "OK",
-				"updated" => $num_updated));
-
-		} else {
-			$this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
-		}
-
-	}
-
-	function getArticle() {
-
-		$article_id = join(",", array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_id"])), is_numeric));
-		$sanitize_content = !isset($_REQUEST["sanitize"]) ||
-			sql_bool_to_bool($_REQUEST["sanitize"]);
-
-		if ($article_id) {
-
-			$query = "SELECT id,title,link,content,feed_id,comments,int_id,
-				marked,unread,published,score,note,lang,
-				".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
-				author,(SELECT title FROM ttrss_feeds WHERE id = feed_id) AS feed_title,
-				(SELECT site_url FROM ttrss_feeds WHERE id = feed_id) AS site_url,
-				(SELECT hide_images FROM ttrss_feeds WHERE id = feed_id) AS hide_images
-				FROM ttrss_entries,ttrss_user_entries
-				WHERE	id IN ($article_id) AND ref_id = id AND owner_uid = " .
-					$_SESSION["uid"] ;
-
-			$result = $this->dbh->query($query);
-
-			$articles = array();
-
-			if ($this->dbh->num_rows($result) != 0) {
-
-				while ($line = $this->dbh->fetch_assoc($result)) {
-
-					$attachments = get_article_enclosures($line['id']);
-
-					$article = array(
-						"id" => $line["id"],
-						"title" => $line["title"],
-						"link" => $line["link"],
-						"labels" => get_article_labels($line['id']),
-						"unread" => sql_bool_to_bool($line["unread"]),
-						"marked" => sql_bool_to_bool($line["marked"]),
-						"published" => sql_bool_to_bool($line["published"]),
-						"comments" => $line["comments"],
-						"author" => $line["author"],
-						"updated" => (int) strtotime($line["updated"]),
-						"feed_id" => $line["feed_id"],
-						"attachments" => $attachments,
-						"score" => (int)$line["score"],
-						"feed_title" => $line["feed_title"],
-						"note" => $line["note"],
-						"lang" => $line["lang"]
-					);
-
-					if ($sanitize_content) {
-						$article["content"] = sanitize(
-							$line["content"],
-							sql_bool_to_bool($line['hide_images']),
-							false, $line["site_url"], false, $line["id"]);
-					} else {
-						$article["content"] = $line["content"];
-					}
-
-					foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
-						$article = $p->hook_render_article_api(array("article" => $article));
-					}
-
-
-					array_push($articles, $article);
-
-				}
-			}
-
-			$this->wrap(self::STATUS_OK, $articles);
-		} else {
-			$this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
-		}
-	}
-
-	function getConfig() {
-		$config = array(
-			"icons_dir" => ICONS_DIR,
-			"icons_url" => ICONS_URL);
-
-		$config["daemon_is_running"] = file_is_locked("update_daemon.lock");
-
-		$result = $this->dbh->query("SELECT COUNT(*) AS cf FROM
-			ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
-
-		$num_feeds = $this->dbh->fetch_result($result, 0, "cf");
-
-		$config["num_feeds"] = (int)$num_feeds;
-
-		$this->wrap(self::STATUS_OK, $config);
-	}
-
-	function updateFeed() {
-		require_once "include/rssfuncs.php";
-
-		$feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
-
-		if (!ini_get("open_basedir")) {
-			update_rss_feed($feed_id, true);
-		}
-
-		$this->wrap(self::STATUS_OK, array("status" => "OK"));
-	}
-
-	function catchupFeed() {
-		$feed_id = $this->dbh->escape_string($_REQUEST["feed_id"]);
-		$is_cat = $this->dbh->escape_string($_REQUEST["is_cat"]);
-
-		catchup_feed($feed_id, $is_cat);
-
-		$this->wrap(self::STATUS_OK, array("status" => "OK"));
-	}
-
-	function getPref() {
-		$pref_name = $this->dbh->escape_string($_REQUEST["pref_name"]);
-
-		$this->wrap(self::STATUS_OK, array("value" => get_pref($pref_name)));
-	}
-
-	function getLabels() {
-		//$article_ids = array_filter(explode(",", $this->dbh->escape_string($_REQUEST["article_ids"])), is_numeric);
-
-		$article_id = (int)$_REQUEST['article_id'];
-
-		$rv = array();
-
-		$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)
-			$article_labels = get_article_labels($article_id);
-		else
-			$article_labels = array();
-
-		while ($line = $this->dbh->fetch_assoc($result)) {
-
-			$checked = false;
-			foreach ($article_labels as $al) {
-				if (feed_to_label_id($al[0]) == $line['id']) {
-					$checked = true;
-					break;
-				}
-			}
-
-			array_push($rv, array(
-				"id" => (int)label_to_feed_id($line['id']),
-				"caption" => $line['caption'],
-				"fg_color" => $line['fg_color'],
-				"bg_color" => $line['bg_color'],
-				"checked" => $checked));
-		}
-
-		$this->wrap(self::STATUS_OK, $rv);
-	}
-
-	function setArticleLabel() {
-
-		$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 = $this->dbh->escape_string(label_find_caption(
-			feed_to_label_id($label_id), $_SESSION["uid"]));
-
-		$num_updated = 0;
-
-		if ($label) {
-
-			foreach ($article_ids as $id) {
-
-				if ($assign)
-					label_add_article($id, $label, $_SESSION["uid"]);
-				else
-					label_remove_article($id, $label, $_SESSION["uid"]);
-
-				++$num_updated;
-
-			}
-		}
-
-		$this->wrap(self::STATUS_OK, array("status" => "OK",
-			"updated" => $num_updated));
-
-	}
-
-	function index($method) {
-		$plugin = PluginHost::getInstance()->get_api_method(strtolower($method));
-
-		if ($plugin && method_exists($plugin, $method)) {
-			$reply = $plugin->$method();
-
-			$this->wrap($reply[0], $reply[1]);
-
-		} else {
-			$this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD', "method" => $method));
-		}
-	}
-
-	function shareToPublished() {
-		$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($title, $url, $content, "", $_SESSION["uid"])) {
-			$this->wrap(self::STATUS_OK, array("status" => 'OK'));
-		} else {
-			$this->wrap(self::STATUS_ERR, array("error" => 'Publishing failed'));
-		}
-	}
-
-	static function api_get_feeds($cat_id, $unread_only, $limit, $offset, $include_nested = false) {
-
-			$feeds = array();
-
-			/* Labels */
-
-			if ($cat_id == -4 || $cat_id == -2) {
-				$counters = getLabelCounters(true);
-
-				foreach (array_values($counters) as $cv) {
-
-					$unread = $cv["counter"];
-
-					if ($unread || !$unread_only) {
-
-						$row = array(
-								"id" => (int) $cv["id"],
-								"title" => $cv["description"],
-								"unread" => $cv["counter"],
-								"cat_id" => -2,
-							);
-
-						array_push($feeds, $row);
-					}
-				}
-			}
-
-			/* Virtual feeds */
-
-			if ($cat_id == -4 || $cat_id == -1) {
-				foreach (array(-1, -2, -3, -4, -6, 0) as $i) {
-					$unread = getFeedUnread($i);
-
-					if ($unread || !$unread_only) {
-						$title = getFeedTitle($i);
-
-						$row = array(
-								"id" => $i,
-								"title" => $title,
-								"unread" => $unread,
-								"cat_id" => -1,
-							);
-						array_push($feeds, $row);
-					}
-
-				}
-			}
-
-			/* Child cats */
-
-			if ($include_nested && $cat_id) {
-				$result = db_query("SELECT
-					id, title FROM ttrss_feed_categories
-					WHERE parent_cat = '$cat_id' AND owner_uid = " . $_SESSION["uid"] .
-				" ORDER BY id, title");
-
-				while ($line = db_fetch_assoc($result)) {
-					$unread = getFeedUnread($line["id"], true) +
-						getCategoryChildrenUnread($line["id"]);
-
-					if ($unread || !$unread_only) {
-						$row = array(
-								"id" => (int) $line["id"],
-								"title" => $line["title"],
-								"unread" => $unread,
-								"is_cat" => true,
-							);
-						array_push($feeds, $row);
-					}
-				}
-			}
-
-			/* Real feeds */
-
-			if ($limit) {
-				$limit_qpart = "LIMIT $limit OFFSET $offset";
-			} else {
-				$limit_qpart = "";
-			}
-
-			if ($cat_id == -4 || $cat_id == -3) {
-				$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"] .
-						" ORDER BY cat_id, title " . $limit_qpart);
-			} else {
-
-				if ($cat_id)
-					$cat_qpart = "cat_id = '$cat_id'";
-				else
-					$cat_qpart = "cat_id IS NULL";
-
-				$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
-						$cat_qpart AND owner_uid = " . $_SESSION["uid"] .
-						" ORDER BY cat_id, title " . $limit_qpart);
-			}
-
-			while ($line = db_fetch_assoc($result)) {
-
-				$unread = getFeedUnread($line["id"]);
-
-				$has_icon = feed_has_icon($line['id']);
-
-				if ($unread || !$unread_only) {
-
-					$row = array(
-							"feed_url" => $line["feed_url"],
-							"title" => $line["title"],
-							"id" => (int)$line["id"],
-							"unread" => (int)$unread,
-							"has_icon" => $has_icon,
-							"cat_id" => (int)$line["cat_id"],
-							"last_updated" => (int) strtotime($line["last_updated"]),
-							"order_id" => (int) $line["order_id"],
-						);
-
-					array_push($feeds, $row);
-				}
-			}
-
-		return $feeds;
-	}
-
-	static function api_get_headlines($feed_id, $limit, $offset,
-				$filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order,
-				$include_attachments, $since_id,
-				$search = "", $include_nested = false, $sanitize_content = true,
-				$force_update = false, $excerpt_length = 100, $check_first_id = false, $skip_first_id_check = false) {
-
-			if ($force_update && $feed_id > 0 && is_numeric($feed_id)) {
-				// Update the feed if required with some basic flood control
-
-				$result = db_query(
-					"SELECT cache_images,".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
-						FROM ttrss_feeds WHERE id = '$feed_id'");
-
-				if (db_num_rows($result) != 0) {
-					$last_updated = strtotime(db_fetch_result($result, 0, "last_updated"));
-					$cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
-
-					if (!$cache_images && time() - $last_updated > 120) {
-						include "rssfuncs.php";
-						update_rss_feed($feed_id, true, true);
-					} else {
-						db_query("UPDATE ttrss_feeds SET last_updated = '1970-01-01', last_update_started = '1970-01-01'
-							WHERE id = '$feed_id'");
-					}
-				}
-			}
-
-			/*$qfh_ret = queryFeedHeadlines($feed_id, $limit,
-				$view_mode, $is_cat, $search, false,
-				$order, $offset, 0, false, $since_id, $include_nested);*/
-
-			//function queryFeedHeadlines($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, $start_ts = false, $check_top_id = false) {
-
-			$params = array(
-				"feed" => $feed_id,
-				"limit" => $limit,
-				"view_mode" => $view_mode,
-				"cat_view" => $is_cat,
-				"search" => $search,
-				"override_order" => $order,
-				"offset" => $offset,
-				"since_id" => $since_id,
-				"include_children" => $include_nested,
-				"check_first_id" => $check_first_id,
-				"skip_first_id_check" => $skip_first_id_check
-			);
-
-			$qfh_ret = queryFeedHeadlines($params);
-
-			$result = $qfh_ret[0];
-			$feed_title = $qfh_ret[1];
-			$first_id = $qfh_ret[6];
-
-			$headlines = array();
-
-			$headlines_header = array(
-				'id' => $feed_id,
-				'first_id' => $first_id,
-				'is_cat' => $is_cat);
-
-			if (!is_numeric($result)) {
-				while ($line = db_fetch_assoc($result)) {
-					$line["content_preview"] = truncate_string(strip_tags($line["content"]), $excerpt_length);
-					foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
-						$line = $p->hook_query_headlines($line, $excerpt_length, true);
-					}
-
-					$is_updated = ($line["last_read"] == "" &&
-						($line["unread"] != "t" && $line["unread"] != "1"));
-
-					$tags = explode(",", $line["tag_cache"]);
-
-					$label_cache = $line["label_cache"];
-					$labels = false;
-
-					if ($label_cache) {
-						$label_cache = json_decode($label_cache, true);
-
-						if ($label_cache) {
-							if ($label_cache["no-labels"] == 1)
-								$labels = array();
-							else
-								$labels = $label_cache;
-						}
-					}
-
-					if (!is_array($labels)) $labels = get_article_labels($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"],
-						"unread" => sql_bool_to_bool($line["unread"]),
-						"marked" => sql_bool_to_bool($line["marked"]),
-						"published" => sql_bool_to_bool($line["published"]),
-						"updated" => (int)strtotime($line["updated"]),
-						"is_updated" => $is_updated,
-						"title" => $line["title"],
-						"link" => $line["link"],
-						"feed_id" => $line["feed_id"],
-						"tags" => $tags,
-					);
-
-					if ($include_attachments)
-						$headline_row['attachments'] = get_article_enclosures(
-							$line['id']);
-
-					if ($show_excerpt)
-						$headline_row["excerpt"] = $line["content_preview"];
-
-					if ($show_content) {
-
-						if ($sanitize_content) {
-							$headline_row["content"] = sanitize(
-								$line["content"],
-								sql_bool_to_bool($line['hide_images']),
-								false, $line["site_url"], false, $line["id"]);
-						} else {
-							$headline_row["content"] = $line["content"];
-						}
-					}
-
-					// unify label output to ease parsing
-					if ($labels["no-labels"] == 1) $labels = array();
-
-					$headline_row["labels"] = $labels;
-
-					$headline_row["feed_title"] = $line["feed_title"] ? $line["feed_title"] :
-						$feed_title;
-
-					$headline_row["comments_count"] = (int)$line["num_comments"];
-					$headline_row["comments_link"] = $line["comments"];
-
-					$headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
-
-					$headline_row["author"] = $line["author"];
-
-					$headline_row["score"] = (int)$line["score"];
-					$headline_row["note"] = $line["note"];
-					$headline_row["lang"] = $line["lang"];
-
-					foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
-						$headline_row = $p->hook_render_article_api(array("headline" => $headline_row));
-					}
-
-					array_push($headlines, $headline_row);
-				}
-			} else if (is_numeric($result) && $result == -1) {
-				$headlines_header['first_id_changed'] = true;
-			}
-
-			return array($headlines, $headlines_header);
-	}
-
-	function unsubscribeFeed() {
-		$feed_id = (int) $this->dbh->escape_string($_REQUEST["feed_id"]);
-
-		$result = $this->dbh->query("SELECT id FROM ttrss_feeds WHERE
-			id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
-
-		if ($this->dbh->num_rows($result) != 0) {
-			Pref_Feeds::remove_feed($feed_id, $_SESSION["uid"]);
-			$this->wrap(self::STATUS_OK, array("status" => "OK"));
-		} else {
-			$this->wrap(self::STATUS_ERR, array("error" => "FEED_NOT_FOUND"));
-		}
-	}
-
-	function subscribeToFeed() {
-		$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) {
-			$rc = subscribe_to_feed($feed_url, $category_id, $login, $password);
-
-			$this->wrap(self::STATUS_OK, array("status" => $rc));
-		} else {
-			$this->wrap(self::STATUS_ERR, array("error" => 'INCORRECT_USAGE'));
-		}
-	}
-
-	function getFeedTree() {
-		$include_empty = sql_bool_to_bool($_REQUEST['include_empty']);
-
-		$pf = new Pref_Feeds($_REQUEST);
-
-		$_REQUEST['mode'] = 2;
-		$_REQUEST['force_show_empty'] = $include_empty;
-
-		if ($pf){
-			$data = $pf->makefeedtree();
-			$this->wrap(self::STATUS_OK, array("categories" => $data));
-		} else {
-			$this->wrap(self::STATUS_ERR, array("error" =>
-				'UNABLE_TO_INSTANTIATE_OBJECT'));
-		}
-
-	}
-
-	// only works for labels or uncategorized for the time being
-	private function isCategoryEmpty($id) {
-
-		if ($id == -2) {
-			$result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_labels2
-				WHERE owner_uid = " . $_SESSION["uid"]);
-
-			return $this->dbh->fetch_result($result, 0, "count") == 0;
-
-		} else if ($id == 0) {
-			$result = $this->dbh->query("SELECT COUNT(*) AS count FROM ttrss_feeds
-				WHERE cat_id IS NULL AND owner_uid = " . $_SESSION["uid"]);
-
-			return $this->dbh->fetch_result($result, 0, "count") == 0;
-
-		}
-
-		return false;
-	}
-
-
-}
-
-?>