X-Git-Url: https://git.wh0rd.org/?a=blobdiff_plain;f=classes%2Fapi.php;h=10e511919dec7e79929631ff7ce21bdb995aeefa;hb=6322ac79a020ab584d412d782d62b2ee77d7c6cf;hp=e3dce0c174078c61ed0593c8466f2eb5905f2a93;hpb=87764a50cf08f33008a0f83d91b4d807643db67c;p=tt-rss.git

diff --git a/classes/api.php b/classes/api.php
index e3dce0c1..10e51191 100644
--- a/classes/api.php
+++ b/classes/api.php
@@ -2,7 +2,7 @@
 
 class API extends Handler {
 
-	const API_LEVEL  = 4;
+	const API_LEVEL  = 6;
 
 	const STATUS_OK  = 0;
 	const STATUS_ERR = 1;
@@ -11,14 +11,14 @@ class API extends Handler {
 
 	function before($method) {
 		if (parent::before($method)) {
-			header("Content-Type: text/plain");
+			header("Content-Type: text/json");
 
 			if (!$_SESSION["uid"] && $method != "login" && $method != "isloggedin") {
 				print $this->wrap(self::STATUS_ERR, array("error" => 'NOT_LOGGED_IN'));
 				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;
 			}
@@ -47,13 +47,16 @@ class API extends Handler {
 	}
 
 	function login() {
-		$login = db_escape_string($_REQUEST["user"]);
+		@session_destroy();
+		@session_start();
+
+		$login = db_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'");
+		$result = db_query( "SELECT id FROM ttrss_users WHERE login = '$login'");
 
 		if (db_num_rows($result) != 0) {
 			$uid = db_fetch_result($result, 0, "id");
@@ -66,11 +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
@@ -92,40 +95,37 @@ class API extends Handler {
 	}
 
 	function getUnread() {
-		$feed_id = db_escape_string($_REQUEST["feed_id"]);
-		$is_cat = db_escape_string($_REQUEST["is_cat"]);
+		$feed_id = db_escape_string( $_REQUEST["feed_id"]);
+		$is_cat = db_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() {
-
-		/* flct (flc is the default) FIXME: document */
-		$output_mode = db_escape_string($_REQUEST["output_mode"]);
-
-		print $this->wrap(self::STATUS_OK, getAllCounters($this->link, $output_mode));
+		print $this->wrap(self::STATUS_OK, getAllCounters());
 	}
 
 	function getFeeds() {
-		$cat_id = db_escape_string($_REQUEST["cat_id"]);
-		$unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
-		$limit = (int) db_escape_string($_REQUEST["limit"]);
-		$offset = (int) db_escape_string($_REQUEST["offset"]);
-		$include_nested = (bool)db_escape_string($_REQUEST["include_nested"]);
+		$cat_id = db_escape_string( $_REQUEST["cat_id"]);
+		$unread_only = sql_bool_to_bool($_REQUEST["unread_only"]);
+		$limit = (int) db_escape_string( $_REQUEST["limit"]);
+		$offset = (int) db_escape_string( $_REQUEST["offset"]);
+		$include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 
-		$feeds = api_get_feeds($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);
 	}
 
 	function getCategories() {
-		$unread_only = (bool)db_escape_string($_REQUEST["unread_only"]);
-		$enable_nested = (bool)db_escape_string($_REQUEST["enable_nested"]);
+		$unread_only = sql_bool_to_bool($_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
 
@@ -134,35 +134,45 @@ class API extends Handler {
 		else
 			$nested_qpart = "true";
 
-		$result = db_query($this->link, "SELECT
-				id, title, order_id FROM ttrss_feed_categories
+		$result = db_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 ($line = db_fetch_assoc($result)) {
-			$unread = getFeedUnread($this->link, $line["id"], true);
-
-			if ($enable_nested)
-				$unread += getCategoryChildrenUnread($this->link, $line["id"]);
-
-			if ($unread || !$unread_only) {
-				array_push($cats, array("id" => $line["id"],
-					"title" => $line["title"],
-					"unread" => $unread,
-					"order_id" => (int) $line["order_id"],
-				));
+			if ($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) {
-			$unread = getFeedUnread($this->link, $cat_id, true);
+			if ($include_empty || !$this->isCategoryEmpty($cat_id)) {
+				$unread = getFeedUnread( $cat_id, true);
 
-			if ($unread || !$unread_only) {
-				array_push($cats, array("id" => $cat_id,
-					"title" => getCategoryTitle($this->link, $cat_id),
-					"unread" => $unread));
+				if ($unread || !$unread_only) {
+					array_push($cats, array("id" => $cat_id,
+						"title" => getCategoryTitle( $cat_id),
+						"unread" => $unread));
+				}
 			}
 		}
 
@@ -170,34 +180,43 @@ class API extends Handler {
 	}
 
 	function getHeadlines() {
-		$feed_id = db_escape_string($_REQUEST["feed_id"]);
+		$feed_id = db_escape_string( $_REQUEST["feed_id"]);
 		if ($feed_id != "") {
 
-			$limit = (int)db_escape_string($_REQUEST["limit"]);
+			$limit = (int)db_escape_string( $_REQUEST["limit"]);
 
 			if (!$limit || $limit >= 60) $limit = 60;
 
-			$offset = (int)db_escape_string($_REQUEST["skip"]);
-			$filter = db_escape_string($_REQUEST["filter"]);
-			$is_cat = (bool)db_escape_string($_REQUEST["is_cat"]);
-			$show_excerpt = (bool)db_escape_string($_REQUEST["show_excerpt"]);
-			$show_content = (bool)db_escape_string($_REQUEST["show_content"]);
+			$offset = (int)db_escape_string( $_REQUEST["skip"]);
+			$filter = db_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 */
-			$view_mode = db_escape_string($_REQUEST["view_mode"]);
-			$include_attachments = (bool)db_escape_string($_REQUEST["include_attachments"]);
-			$since_id = (int)db_escape_string($_REQUEST["since_id"]);
-			$include_nested = (bool)db_escape_string($_REQUEST["include_nested"]);
+			$view_mode = db_escape_string( $_REQUEST["view_mode"]);
+			$include_attachments = sql_bool_to_bool($_REQUEST["include_attachments"]);
+			$since_id = (int)db_escape_string( $_REQUEST["since_id"]);
+			$include_nested = sql_bool_to_bool($_REQUEST["include_nested"]);
 			$sanitize_content = true;
 
+			$override_order = false;
+			switch ($_REQUEST["order_by"]) {
+				case "date_reverse":
+					$override_order = "date_entered, updated";
+					break;
+				case "feed_dates":
+					$override_order = "updated DESC";
+					break;
+			}
+
 			/* do not rely on params below */
 
-			$search = db_escape_string($_REQUEST["search"]);
-			$search_mode = db_escape_string($_REQUEST["search_mode"]);
-			$match_on = db_escape_string($_REQUEST["match_on"]);
+			$search = db_escape_string( $_REQUEST["search"]);
+			$search_mode = db_escape_string( $_REQUEST["search_mode"]);
 
-			$headlines = api_get_headlines($this->link, $feed_id, $limit, $offset,
-				$filter, $is_cat, $show_excerpt, $show_content, $view_mode, false,
-				$include_attachments, $since_id, $search, $search_mode, $match_on,
+			$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);
 
 			print $this->wrap(self::STATUS_OK, $headlines);
@@ -207,10 +226,10 @@ class API extends Handler {
 	}
 
 	function updateArticle() {
-		$article_ids = array_filter(explode(",", db_escape_string($_REQUEST["article_ids"])), is_numeric);
-		$mode = (int) db_escape_string($_REQUEST["mode"]);
-		$data = db_escape_string($_REQUEST["data"]);
-		$field_raw = (int)db_escape_string($_REQUEST["field"]);
+		$article_ids = array_filter(explode(",", db_escape_string( $_REQUEST["article_ids"])), is_numeric);
+		$mode = (int) db_escape_string( $_REQUEST["mode"]);
+		$data = db_escape_string( $_REQUEST["data"]);
+		$field_raw = (int)db_escape_string( $_REQUEST["field"]);
 
 		$field = "";
 		$set_to = "";
@@ -218,12 +237,15 @@ class API extends Handler {
 		switch ($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";
@@ -247,23 +269,27 @@ class API extends Handler {
 
 			$article_ids = join(", ", $article_ids);
 
-			if ($field == "unread") {
-				$result = db_query($this->link, "UPDATE ttrss_user_entries SET $field = $set_to,
-					last_read = NOW()
-					WHERE ref_id IN ($article_ids) AND owner_uid = " . $_SESSION["uid"]);
-			} else {
-				$result = db_query($this->link, "UPDATE ttrss_user_entries SET $field = $set_to
-					WHERE ref_id IN ($article_ids) AND owner_uid = " . $_SESSION["uid"]);
-			}
+			$result = db_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 = db_affected_rows( $result);
 
 			if ($num_updated > 0 && $field == "unread") {
-				$result = db_query($this->link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
+				$result = db_query( "SELECT DISTINCT feed_id FROM ttrss_user_entries
 					WHERE ref_id IN ($article_ids)");
 
 				while ($line = db_fetch_assoc($result)) {
-					ccache_update($this->link, $line["feed_id"], $_SESSION["uid"]);
+					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);
 				}
 			}
 
@@ -278,17 +304,17 @@ class API extends Handler {
 
 	function getArticle() {
 
-		$article_id = join(",", array_filter(explode(",", db_escape_string($_REQUEST["article_id"])), is_numeric));
+		$article_id = join(",", array_filter(explode(",", db_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 = db_query( $query);
 
 		$articles = array();
 
@@ -296,24 +322,31 @@ class API extends Handler {
 
 			while ($line = db_fetch_assoc($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"]),
 					"comments" => $line["comments"],
 					"author" => $line["author"],
-					"updated" => strtotime($line["updated"]),
+					"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) {
+					$article = $p->hook_render_article_api(array("article" => $article));
+				}
+
+
 				array_push($articles, $article);
 
 			}
@@ -330,7 +363,7 @@ 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 = db_query( "SELECT COUNT(*) AS cf FROM
 			ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
 
 		$num_feeds = db_fetch_result($result, 0, "cf");
@@ -341,41 +374,43 @@ class API extends Handler {
 	}
 
 	function updateFeed() {
-		$feed_id = db_escape_string($_REQUEST["feed_id"]);
+		require_once "include/rssfuncs.php";
 
-		update_rss_feed($this->link, $feed_id, true);
+		$feed_id = (int) db_escape_string( $_REQUEST["feed_id"]);
+
+		update_rss_feed( $feed_id, true);
 
 		print $this->wrap(self::STATUS_OK, array("status" => "OK"));
 	}
 
 	function catchupFeed() {
-		$feed_id = db_escape_string($_REQUEST["feed_id"]);
-		$is_cat = db_escape_string($_REQUEST["is_cat"]);
+		$feed_id = db_escape_string( $_REQUEST["feed_id"]);
+		$is_cat = db_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() {
-		$pref_name = db_escape_string($_REQUEST["pref_name"]);
+		$pref_name = db_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() {
-		//$article_ids = array_filter(explode(",", db_escape_string($_REQUEST["article_ids"])), is_numeric);
+		//$article_ids = array_filter(explode(",", db_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
+		$result = db_query( "SELECT id, caption, fg_color, bg_color
 			FROM ttrss_labels2
 			WHERE owner_uid = '".$_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();
 
@@ -402,11 +437,11 @@ class API extends Handler {
 
 	function setArticleLabel() {
 
-		$article_ids = array_filter(explode(",", db_escape_string($_REQUEST["article_ids"])), is_numeric);
-		$label_id = (int) db_escape_string($_REQUEST['label_id']);
-		$assign = (bool) db_escape_string($_REQUEST['assign']) == "true";
+		$article_ids = array_filter(explode(",", db_escape_string( $_REQUEST["article_ids"])), is_numeric);
+		$label_id = (int) db_escape_string( $_REQUEST['label_id']);
+		$assign = (bool) db_escape_string( $_REQUEST['assign']) == "true";
 
-		$label = db_escape_string(label_find_caption($this->link,
+		$label = db_escape_string( label_find_caption(
 			$label_id, $_SESSION["uid"]));
 
 		$num_updated = 0;
@@ -416,9 +451,9 @@ class API extends Handler {
 			foreach ($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;
 
@@ -430,21 +465,318 @@ class API extends Handler {
 
 	}
 
-	function index() {
-		print $this->wrap(self::STATUS_ERR, array("error" => 'UNKNOWN_METHOD'));
+	function index($method) {
+		global $pluginhost;
+
+		$plugin = $pluginhost->get_api_method(strtolower($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() {
-		$title = db_escape_string(strip_tags($_REQUEST["title"]));
-		$url = db_escape_string(strip_tags($_REQUEST["url"]));
-		$content = db_escape_string(strip_tags($_REQUEST["content"]));
+		$title = db_escape_string( strip_tags($_REQUEST["title"]));
+		$url = db_escape_string( strip_tags($_REQUEST["url"]));
+		$content = db_escape_string( strip_tags($_REQUEST["content"]));
 
-		if (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_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" => $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" => $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 = "", $search_mode = "",
+				$include_nested = false, $sanitize_content = true) {
+
+			$qfh_ret = queryFeedHeadlines( $feed_id, $limit,
+				$view_mode, $is_cat, $search, $search_mode,
+				$order, $offset, 0, false, $since_id, $include_nested);
+
+			$result = $qfh_ret[0];
+			$feed_title = $qfh_ret[1];
+
+			$headlines = array();
+
+			while ($line = db_fetch_assoc($result)) {
+				$is_updated = ($line["last_read"] == "" &&
+					($line["unread"] != "t" && $line["unread"] != "1"));
+
+				$tags = explode(",", $line["tag_cache"]);
+				$labels = json_decode($line["label_cache"], true);
+
+				//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) {
+					$excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
+					$headline_row["excerpt"] = $excerpt;
+				}
+
+				if ($show_content) {
+
+					if ($line["cached_content"] != "") {
+						$line["content_preview"] =& $line["cached_content"];
+					}
+
+					if ($sanitize_content) {
+						$headline_row["content"] = sanitize(
+							$line["content_preview"],
+							sql_bool_to_bool($line['hide_images']),
+							false, $line["site_url"]);
+					} else {
+						$headline_row["content"] = $line["content_preview"];
+					}
+				}
+
+				// unify label output to ease parsing
+				if ($labels["no-labels"] == 1) $labels = array();
+
+				$headline_row["labels"] = $labels;
+
+				$headline_row["feed_title"] = $line["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"];
+
+				global $pluginhost;
+				foreach ($pluginhost->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);
+			}
+
+			return $headlines;
+	}
+
+	function unsubscribeFeed() {
+		$feed_id = (int) db_escape_string( $_REQUEST["feed_id"]);
+
+		$result = db_query( "SELECT id FROM ttrss_feeds WHERE
+			id = '$feed_id' AND owner_uid = ".$_SESSION["uid"]);
+
+		if (db_num_rows($result) != 0) {
+			Pref_Feeds::remove_feed( $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"));
+		}
+	}
+
+	function subscribeToFeed() {
+		$feed_url = db_escape_string( $_REQUEST["feed_url"]);
+		$category_id = (int) db_escape_string( $_REQUEST["category_id"]);
+		$login = db_escape_string( $_REQUEST["login"]);
+		$password = db_escape_string( $_REQUEST["password"]);
+
+		if ($feed_url) {
+			$rc = subscribe_to_feed( $feed_url, $category_id,
+				$login, $password, false);
+
+			print $this->wrap(self::STATUS_OK, array("status" => $rc));
+		} else {
+			print $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();
+			print $this->wrap(self::STATUS_OK, array("categories" => $data));
+		} else {
+			print $this->wrap(self::STATUS_ERR, array("error" =>
+				'UNABLE_TO_INSTANTIATE_OBJECT'));
+		}
+
+	}
+
+	// only works for labels or uncategorized for the time being
+	private function isCategoryEmpty($id) {
+
+		if ($id == -2) {
+			$result = db_query( "SELECT COUNT(*) AS count FROM ttrss_labels2
+				WHERE owner_uid = " . $_SESSION["uid"]);
+
+			return db_fetch_result($result, 0, "count") == 0;
+
+		} else if ($id == 0) {
+			$result = db_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 false;
+	}
+
+
 }
 
 ?>