From 2c5f231e439dac3fc68422fbb1c8ec57e9d8b35d Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <fox@madoka.volgo-balt.ru>
Date: Mon, 13 Aug 2012 19:52:34 +0400
Subject: add special indication for categories having unread items in child
 categories

---
 include/functions.php | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

(limited to 'include/functions.php')

diff --git a/include/functions.php b/include/functions.php
index 009955c99..b2319e6e1 100644
--- a/include/functions.php
+++ b/include/functions.php
@@ -1501,7 +1501,9 @@
 
 		array_push($ret_arr, $cv);
 
-		$result = db_query($link, "SELECT id AS cat_id, value AS unread
+		$result = db_query($link, "SELECT id AS cat_id, value AS unread,
+			(SELECT COUNT(id) FROM ttrss_feed_categories AS c2
+				WHERE c2.parent_cat = ttrss_feed_categories.id) AS num_children
 			FROM ttrss_feed_categories, ttrss_cat_counters_cache
 			WHERE ttrss_cat_counters_cache.feed_id = id AND
 			ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
@@ -1509,7 +1511,14 @@
 		while ($line = db_fetch_assoc($result)) {
 			$line["cat_id"] = (int) $line["cat_id"];
 
+			if ($line["num_children"] > 0) {
+				$child_counter = getCategoryUnreadRecursive($link, $line["cat_id"], $_SESSION["uid"]);
+			} else {
+				$child_counter = 0;
+			}
+
 			$cv = array("id" => $line["cat_id"], "kind" => "cat",
+				"child_counter" => $child_counter,
 				"counter" => $line["unread"]);
 
 			array_push($ret_arr, $cv);
@@ -1525,6 +1534,23 @@
 		return $ret_arr;
 	}
 
+	// only accepts real cats (>= 0)
+	function getCategoryUnreadRecursive($link, $cat, $owner_uid = false) {
+		if (!$owner_uid) $owner_uid = $_SESSION["uid"];
+
+		$result = db_query($link, "SELECT id FROM ttrss_feed_categories WHERE parent_cat = '$cat'
+				AND owner_uid = $owner_uid");
+
+		$unread = 0;
+
+		while ($line = db_fetch_assoc($result)) {
+			$unread += getCategoryUnread($link, $line["id"], $owner_uid);
+			$unread += getCategoryUnreadRecursive($link, $line["id"], $owner_uid);
+		}
+
+		return $unread;
+	}
+
 	function getCategoryUnread($link, $cat, $owner_uid = false) {
 
 		if (!$owner_uid) $owner_uid = $_SESSION["uid"];
-- 
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