X-Git-Url: https://git.wh0rd.org/?a=blobdiff_plain;f=backend.php;h=ce2e73d85ea8ee02522779a535640fed73effeda;hb=45004d43408bb006f89dd2c46fb3b934966896b0;hp=c8271f4f975396a05a10d9c712a0ef380995f196;hpb=34459667e259eb01257a73a4c30bff0ba2c3b3d5;p=tt-rss.git

diff --git a/backend.php b/backend.php
index c8271f4f..ce2e73d8 100644
--- a/backend.php
+++ b/backend.php
@@ -145,432 +145,439 @@
 
 	if (!sanity_check($link)) { return; }
 
-	if ($op == "rpc") {
-		handle_rpc_request($link);
-	}
-	
-	if ($op == "feeds") {
-
-		$tags = $_GET["tags"];
-
-		$subop = $_GET["subop"];
-
-		if ($subop == "catchupAll") {
-			db_query($link, "UPDATE ttrss_user_entries SET 
-				last_read = NOW(),unread = false WHERE owner_uid = " . $_SESSION["uid"]);
-		}
-
-		if ($subop == "collapse") {
-			$cat_id = db_escape_string($_GET["cid"]);
-
-			db_query($link, "UPDATE ttrss_feed_categories SET
-				collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " . 
-				$_SESSION["uid"]);
-			return;
-		}
-
-		outputFeedList($link, $tags);
+	switch($op) { // Select action according to $op value.
+		case "rpc":
+			// Handle remote procedure calls.
+			handle_rpc_request($link);
+		break; // rpc
+
+		case "feeds":
+			$tags = $_GET["tags"];
+
+			$subop = $_GET["subop"];
+
+			switch($subop) {
+				case "catchupAll":
+					db_query($link, "UPDATE ttrss_user_entries SET 
+						last_read = NOW(),unread = false WHERE owner_uid = " . $_SESSION["uid"]);
+				break;
+
+				case "collapse":
+					$cat_id = db_escape_string($_GET["cid"]);
+
+					db_query($link, "UPDATE ttrss_feed_categories SET
+						collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " . 
+						$_SESSION["uid"]);
+					return;
+				break;
+			}
 
-	}
+			outputFeedList($link, $tags);
+		break; // feeds
 
-	if ($op == "view") {
+		case "view":
 
-		$id = db_escape_string($_GET["id"]);
-		$feed_id = db_escape_string($_GET["feed"]);
-		$cids = split(",", db_escape_string($_GET["cids"]));
-		$mode = db_escape_string($_GET["mode"]);
-		$omode = db_escape_string($_GET["omode"]);
+			$id = db_escape_string($_GET["id"]);
+			$feed_id = db_escape_string($_GET["feed"]);
+			$cids = split(",", db_escape_string($_GET["cids"]));
+			$mode = db_escape_string($_GET["mode"]);
+			$omode = db_escape_string($_GET["omode"]);
 
-		print "<reply>";
+			print "<reply>";
 
-		// in prefetch mode we only output requested cids, main article 
-		// just gets marked as read (it already exists in client cache)
+			// in prefetch mode we only output requested cids, main article 
+			// just gets marked as read (it already exists in client cache)
 
-		if ($mode == "") {
-			outputArticleXML($link, $id, $feed_id);
-		} else {
-			catchupArticleById($link, $id, 0);
-		}
+			if ($mode == "") {
+				outputArticleXML($link, $id, $feed_id);
+			} else {
+				catchupArticleById($link, $id, 0);
+			}
 
-		foreach ($cids as $cid) {
-			if ($cid) {
-				outputArticleXML($link, $cid, $feed_id, false);
+			foreach ($cids as $cid) {
+				if ($cid) {
+					outputArticleXML($link, $cid, $feed_id, false);
+				}
 			}
-		}
 
-		if ($mode != "prefetch_old") {
-			print "<counters>";
-			getAllCounters($link, $omode);
-			print "</counters>";
-		}
+			if ($mode != "prefetch_old") {
+				print "<counters>";
+				getAllCounters($link, $omode);
+				print "</counters>";
+			}
 
-		print "</reply>";
-	}
+			print "</reply>";
+		break; // view
 
-	if ($op == "viewfeed") {
+		case "viewfeed":
 
-		$print_exec_time = true;
-		$timing_info = getmicrotime();
+			$print_exec_time = true;
+			$timing_info = getmicrotime();
 
-		print "<reply>";
+			print "<reply>";
 
-		if ($_GET["debug"]) $timing_info = print_checkpoint("0", $timing_info);
+			if ($_GET["debug"]) $timing_info = print_checkpoint("0", $timing_info);
 
-		$omode = db_escape_string($_GET["omode"]);
+			$omode = db_escape_string($_GET["omode"]);
 
-		$feed = db_escape_string($_GET["feed"]);
-		$subop = db_escape_string($_GET["subop"]);
-		$view_mode = db_escape_string($_GET["view_mode"]);
-		$limit = db_escape_string($_GET["limit"]);
-		$cat_view = db_escape_string($_GET["cat"]);
-		$next_unread_feed = db_escape_string($_GET["nuf"]);
-		$offset = db_escape_string($_GET["skip"]);
+			$feed = db_escape_string($_GET["feed"]);
+			$subop = db_escape_string($_GET["subop"]);
+			$view_mode = db_escape_string($_GET["view_mode"]);
+			$limit = db_escape_string($_GET["limit"]);
+			$cat_view = db_escape_string($_GET["cat"]);
+			$next_unread_feed = db_escape_string($_GET["nuf"]);
+			$offset = db_escape_string($_GET["skip"]);
 
-		set_pref($link, "_DEFAULT_VIEW_MODE", $view_mode);
-		set_pref($link, "_DEFAULT_VIEW_LIMIT", $limit);
+			set_pref($link, "_DEFAULT_VIEW_MODE", $view_mode);
+			set_pref($link, "_DEFAULT_VIEW_LIMIT", $limit);
 
-		if (!$cat_view && preg_match("/^[0-9][0-9]*$/", $feed)) {
-			db_query($link, "UPDATE ttrss_feeds SET last_viewed = NOW()
-				WHERE id = '$feed' AND owner_uid = ".$_SESSION["uid"]);
-		}
+			if (!$cat_view && preg_match("/^[0-9][0-9]*$/", $feed)) {
+				db_query($link, "UPDATE ttrss_feeds SET last_viewed = NOW()
+					WHERE id = '$feed' AND owner_uid = ".$_SESSION["uid"]);
+			}
 
-		print "<headlines id=\"$feed\"><![CDATA[";
+			print "<headlines id=\"$feed\"><![CDATA[";
 
-		$ret = outputHeadlinesList($link, $feed, $subop, 
-			$view_mode, $limit, $cat_view, $next_unread_feed, $offset);
+			$ret = outputHeadlinesList($link, $feed, $subop, 
+				$view_mode, $limit, $cat_view, $next_unread_feed, $offset);
 
-		$topmost_article_ids = $ret[0];
-		$headlines_count = $ret[1];
-		$returned_feed = $ret[2];
-		$disable_cache = $ret[3];
+			$topmost_article_ids = $ret[0];
+			$headlines_count = $ret[1];
+			$returned_feed = $ret[2];
+			$disable_cache = $ret[3];
 
-		print "]]></headlines>";
+			print "]]></headlines>";
 
-		print "<headlines-count value=\"$headlines_count\"/>";
+			print "<headlines-count value=\"$headlines_count\"/>";
 
-		$headlines_unread = getFeedUnread($link, $returned_feed);
+			$headlines_unread = getFeedUnread($link, $returned_feed);
 
-		print "<headlines-unread value=\"$headlines_unread\"/>";
-		printf("<disable-cache value=\"%d\"/>", $disable_cache);
+			print "<headlines-unread value=\"$headlines_unread\"/>";
+			printf("<disable-cache value=\"%d\"/>", $disable_cache);
 
-		if ($_GET["debug"]) $timing_info = print_checkpoint("10", $timing_info);
+			if ($_GET["debug"]) $timing_info = print_checkpoint("10", $timing_info);
 
-		if (is_array($topmost_article_ids) && !get_pref($link, 'COMBINED_DISPLAY_MODE')) {
-			print "<articles>";
-			foreach ($topmost_article_ids as $id) {
-				outputArticleXML($link, $id, $feed, false);
+			if (is_array($topmost_article_ids) && !get_pref($link, 'COMBINED_DISPLAY_MODE')) {
+				print "<articles>";
+				foreach ($topmost_article_ids as $id) {
+					outputArticleXML($link, $id, $feed, false);
+				}
+				print "</articles>";
 			}
-			print "</articles>";
-		}
 
-		if ($_GET["debug"]) $timing_info = print_checkpoint("20", $timing_info);
+			if ($_GET["debug"]) $timing_info = print_checkpoint("20", $timing_info);
 
-		print "<counters>";
-		getAllCounters($link, $omode, $feed);
-		print "</counters>";
+			print "<counters>";
+			getAllCounters($link, $omode, $feed);
+			print "</counters>";
 
-		if ($_GET["debug"]) $timing_info = print_checkpoint("30", $timing_info);
+			if ($_GET["debug"]) $timing_info = print_checkpoint("30", $timing_info);
 
-		print_runtime_info($link);
+			print_runtime_info($link);
 
-		print "</reply>";
-	}
+			print "</reply>";
+		break; // viewfeed
 
-	if ($op == "pref-feeds") {
-		module_pref_feeds($link);
-	}
+		case "pref-feeds":
+			module_pref_feeds($link);
+		break; // pref-feeds
 
-	if ($op == "pref-filters") {
-		module_pref_filters($link);
-	}
+		case "pref-filters":
+			module_pref_filters($link);
+		break; // pref-filters
 
-	if ($op == "pref-labels") {
-		module_pref_labels($link);
-	}
+		case "pref-labels":
+			module_pref_labels($link);
+		break; // pref-labels
 
-	if ($op == "pref-prefs") {
-		module_pref_prefs($link);
-	}
+		case "pref-prefs":
+			module_pref_prefs($link);
+		break; // pref-prefs
 
-	if ($op == "pref-users") {
-		module_pref_users($link);
-	}
+		case "pref-users":
+			module_pref_users($link);
+		break; // prefs-users
 
-	if ($op == "help") {
-		module_help($link);
-	}
+		case "help":
+			module_help($link);
+		break; // help
 
-	if ($op == "dlg") {
-		module_popup_dialog($link);
-	}
+		case "dlg":
+			module_popup_dialog($link);
+		break; // dlg
 
-	if ($op == "pref-pub-items") {
-		module_pref_pub_items($link);
-	}
+		case "pref-pub-items":
+			module_pref_pub_items($link);
+		break; // pref-pub-items
 
+		case "globalUpdateFeeds":
+			// update feeds of all users, may be used anonymously
 
-	// update feeds of all users, may be used anonymously
-	if ($op == "globalUpdateFeeds") {
+			// Update all feeds needing a update.
+			update_daemon_common($link, 0, true, false);
 
-		$result = db_query($link, "SELECT id FROM ttrss_users");
+			// FIXME : old feed update way. To be removed.
+			//$result = db_query($link, "SELECT id FROM ttrss_users");
 
-		while ($line = db_fetch_assoc($result)) {
-			$user_id = $line["id"];
-//			print "<!-- updating feeds of uid $user_id -->";
-			update_all_feeds($link, false, $user_id);
-		}
+			//while ($line = db_fetch_assoc($result)) {
+			//	$user_id = $line["id"];
+			//	print "<!-- updating feeds of uid $user_id -->";
+			//	update_all_feeds($link, false, $user_id);
+			//}
 
-		print "<rpc-reply>
-			<message msg=\"All feeds updated\"/>
-		</rpc-reply>";
+			print "<rpc-reply>
+				<message msg=\"All feeds updated\"/>
+			</rpc-reply>";
+		break; // globalUpdateFeeds
 
-	}
+		case "user-details":
 
-	if ($op == "user-details") {
+			if (WEB_DEMO_MODE || $_SESSION["access_level"] < 10) {
+				return;
+			}
 
-		if (WEB_DEMO_MODE || $_SESSION["access_level"] < 10) {
-			return;
-		}
-			  
-/*		print "<html><head>
-			<title>Tiny Tiny RSS : User Details</title>
-			<link rel=\"stylesheet\" href=\"tt-rss.css\" type=\"text/css\">
-			<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
-			</head><body>"; */
-
-		$uid = sprintf("%d", $_GET["id"]);
-
-		print "<div id=\"infoBoxTitle\">User details</div>";
-
-		print "<div class='infoBoxContents'>";
-
-		$result = db_query($link, "SELECT login,
-			SUBSTRING(last_login,1,16) AS last_login,
-			access_level,
-			(SELECT COUNT(int_id) FROM ttrss_user_entries 
-				WHERE owner_uid = id) AS stored_articles,
-			SUBSTRING(created,1,16) AS created
-			FROM ttrss_users 
-			WHERE id = '$uid'");
+			/*
+			print "<html><head>
+				<title>Tiny Tiny RSS : User Details</title>
+				<link rel=\"stylesheet\" href=\"tt-rss.css\" type=\"text/css\">
+				<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
+				</head><body>";
+			*/
+
+			$uid = sprintf("%d", $_GET["id"]);
+
+			print "<div id=\"infoBoxTitle\">User details</div>";
+
+			print "<div class='infoBoxContents'>";
+
+			$result = db_query($link, "SELECT login,
+				SUBSTRING(last_login,1,16) AS last_login,
+				access_level,
+				(SELECT COUNT(int_id) FROM ttrss_user_entries 
+					WHERE owner_uid = id) AS stored_articles,
+				SUBSTRING(created,1,16) AS created
+				FROM ttrss_users 
+				WHERE id = '$uid'");
+				
+			if (db_num_rows($result) == 0) {
+				print "<h1>User not found</h1>";
+				return;
+			}
 			
-		if (db_num_rows($result) == 0) {
-			print "<h1>User not found</h1>";
-			return;
-		}
-		
-#		print "<h1>User Details</h1>";
+			// print "<h1>User Details</h1>";
 
-		$login = db_fetch_result($result, 0, "login");
+			$login = db_fetch_result($result, 0, "login");
 
-#		print "<h1>$login</h1>";
+			// print "<h1>$login</h1>";
 
-		print "<table width='100%'>";
+			print "<table width='100%'>";
 
-		$last_login = date(get_pref($link, 'LONG_DATE_FORMAT'),
-			strtotime(db_fetch_result($result, 0, "last_login")));
+			$last_login = date(get_pref($link, 'LONG_DATE_FORMAT'),
+				strtotime(db_fetch_result($result, 0, "last_login")));
 
-		$created = date(get_pref($link, 'LONG_DATE_FORMAT'),
-			strtotime(db_fetch_result($result, 0, "created")));
+			$created = date(get_pref($link, 'LONG_DATE_FORMAT'),
+				strtotime(db_fetch_result($result, 0, "created")));
 
-		$access_level = db_fetch_result($result, 0, "access_level");
-		$stored_articles = db_fetch_result($result, 0, "stored_articles");
+			$access_level = db_fetch_result($result, 0, "access_level");
+			$stored_articles = db_fetch_result($result, 0, "stored_articles");
 
-#		print "<tr><td>Username</td><td>$login</td></tr>";
-#		print "<tr><td>Access level</td><td>$access_level</td></tr>";
-		print "<tr><td>".__('Registered')."</td><td>$created</td></tr>";
-		print "<tr><td>".__('Last logged in')."</td><td>$last_login</td></tr>";
-		print "<tr><td>".__('Stored articles')."</td><td>$stored_articles</td></tr>";
+			// print "<tr><td>Username</td><td>$login</td></tr>";
+			// print "<tr><td>Access level</td><td>$access_level</td></tr>";
+			print "<tr><td>".__('Registered')."</td><td>$created</td></tr>";
+			print "<tr><td>".__('Last logged in')."</td><td>$last_login</td></tr>";
+			print "<tr><td>".__('Stored articles')."</td><td>$stored_articles</td></tr>";
 
-		$result = db_query($link, "SELECT COUNT(id) as num_feeds FROM ttrss_feeds
-			WHERE owner_uid = '$uid'");
+			$result = db_query($link, "SELECT COUNT(id) as num_feeds FROM ttrss_feeds
+				WHERE owner_uid = '$uid'");
 
-		$num_feeds = db_fetch_result($result, 0, "num_feeds");
+			$num_feeds = db_fetch_result($result, 0, "num_feeds");
 
-		print "<tr><td>".__('Subscribed feeds count')."</td><td>$num_feeds</td></tr>";
+			print "<tr><td>".__('Subscribed feeds count')."</td><td>$num_feeds</td></tr>";
 
-/*		$result = db_query($link, "SELECT 
-			SUM(LENGTH(content)+LENGTH(title)+LENGTH(link)+LENGTH(guid)) AS db_size 
-			FROM ttrss_user_entries,ttrss_entries 
-				WHERE owner_uid = '$uid' AND ref_id = id");
+			/*
+			$result = db_query($link, "SELECT 
+				SUM(LENGTH(content)+LENGTH(title)+LENGTH(link)+LENGTH(guid)) AS db_size 
+				FROM ttrss_user_entries,ttrss_entries 
+					WHERE owner_uid = '$uid' AND ref_id = id");
 
-		$db_size = round(db_fetch_result($result, 0, "db_size") / 1024);
+			$db_size = round(db_fetch_result($result, 0, "db_size") / 1024);
 
-		print "<tr><td>Approx. used DB size</td><td>$db_size KBytes</td></tr>";  */
+			print "<tr><td>Approx. used DB size</td><td>$db_size KBytes</td></tr>";
+			*/
 
-		print "</table>";
+			print "</table>";
 
-		print "<h1>".__('Subscribed feeds')."</h1>";
+			print "<h1>".__('Subscribed feeds')."</h1>";
 
-		$result = db_query($link, "SELECT id,title,site_url FROM ttrss_feeds
-			WHERE owner_uid = '$uid' ORDER BY title");
+			$result = db_query($link, "SELECT id,title,site_url FROM ttrss_feeds
+				WHERE owner_uid = '$uid' ORDER BY title");
 
-		print "<ul class=\"userFeedList\">";
+			print "<ul class=\"userFeedList\">";
 
-		$row_class = "odd";
+			$row_class = "odd";
 
-		while ($line = db_fetch_assoc($result)) {
+			while ($line = db_fetch_assoc($result)) {
 
-			$icon_file = ICONS_URL."/".$line["id"].".ico";
+				$icon_file = ICONS_URL."/".$line["id"].".ico";
 
-			if (file_exists($icon_file) && filesize($icon_file) > 0) {
-				$feed_icon = "<img class=\"tinyFeedIcon\" src=\"$icon_file\">";
-			} else {
-				$feed_icon = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">";
-			}
+				if (file_exists($icon_file) && filesize($icon_file) > 0) {
+					$feed_icon = "<img class=\"tinyFeedIcon\" src=\"$icon_file\">";
+				} else {
+					$feed_icon = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">";
+				}
 
-			print "<li class=\"$row_class\">$feed_icon&nbsp;<a href=\"".$line["site_url"]."\">".$line["title"]."</a></li>";
+				print "<li class=\"$row_class\">$feed_icon&nbsp;<a href=\"".$line["site_url"]."\">".$line["title"]."</a></li>";
 
-			$row_class = toggleEvenOdd($row_class);
+				$row_class = toggleEvenOdd($row_class);
 
-		}
+			}
 
-		if (db_num_rows($result) < $num_feeds) {
-			 // FIXME - add link to show ALL subscribed feeds here somewhere
-			print "<li><img 
-				class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">&nbsp;...</li>";
-		}
-		
-		print "</ul>";
+			if (db_num_rows($result) < $num_feeds) {
+				// FIXME - add link to show ALL subscribed feeds here somewhere
+				print "<li><img 
+					class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">&nbsp;...</li>";
+			}
+			
+			print "</ul>";
 
-		print "</div>";
+			print "</div>";
 
-		print "<div align='center'>
-			<input type='submit' class='button'			
-			onclick=\"closeInfoBox()\" value=\"Close this window\"></div>";
+			print "<div align='center'>
+				<input type='submit' class='button'			
+				onclick=\"closeInfoBox()\" value=\"Close this window\"></div>";
 
-//		print "</body></html>"; 
+			// print "</body></html>"; 
 
-	}
+		break; // user-details
 
-	if ($op == "pref-feed-browser") {
-		module_pref_feed_browser($link);
-	}
+		case "pref-feed-browser":
+			module_pref_feed_browser($link);
+		break; // pref-feed-browser
 
-	if ($op == "publish") {
-		$key = db_escape_string($_GET["key"]);
+		case "publish":
+			$key = db_escape_string($_GET["key"]);
 
-		$result = db_query($link, "SELECT login, owner_uid 
-			FROM ttrss_user_prefs, ttrss_users WHERE
-			pref_name = '_PREFS_PUBLISH_KEY' AND 
-			value = '$key' AND 
-			ttrss_users.id = owner_uid");
+			$result = db_query($link, "SELECT login, owner_uid 
+				FROM ttrss_user_prefs, ttrss_users WHERE
+				pref_name = '_PREFS_PUBLISH_KEY' AND 
+				value = '$key' AND 
+				ttrss_users.id = owner_uid");
 
-		if (db_num_rows($result) == 1) {
-			$owner = db_fetch_result($result, 0, "owner_uid");
-			$login = db_fetch_result($result, 0, "login");
+			if (db_num_rows($result) == 1) {
+				$owner = db_fetch_result($result, 0, "owner_uid");
+				$login = db_fetch_result($result, 0, "login");
 
-			generate_syndicated_feed($link, $owner, -2, false);
+				generate_syndicated_feed($link, $owner, -2, false);
 
-		} else {
-			print "<error>User not found</error>";
-		}
-
-	}
-
-	if ($op == "rss") {
-		$feed = db_escape_string($_GET["id"]);
-		$user = db_escape_string($_GET["user"]);
-		$pass = db_escape_string($_GET["pass"]);
-		$is_cat = $_GET["is_cat"] != false;
+			} else {
+				print "<error>User not found</error>";
+			}
+		break; // publish
 
-		$search = db_escape_string($_GET["q"]);
-		$match_on = db_escape_string($_GET["m"]);
-		$search_mode = db_escape_string($_GET["smode"]);
+		case "rss":
+			$feed = db_escape_string($_GET["id"]);
+			$user = db_escape_string($_GET["user"]);
+			$pass = db_escape_string($_GET["pass"]);
+			$is_cat = $_GET["is_cat"] != false;
 
-		if (!$_SESSION["uid"] && $user && $pass) {
-			authenticate_user($link, $user, $pass);
-		}
+			$search = db_escape_string($_GET["q"]);
+			$match_on = db_escape_string($_GET["m"]);
+			$search_mode = db_escape_string($_GET["smode"]);
 
-		if ($_SESSION["uid"] ||
-			http_authenticate_user($link)) {
+			if (!$_SESSION["uid"] && $user && $pass) {
+				authenticate_user($link, $user, $pass);
+			}
 
-				generate_syndicated_feed($link, 0, $feed, $is_cat, 
-					$search, $search_mode, $match_on);
-		}
+			if ($_SESSION["uid"] ||
+				http_authenticate_user($link)) {
 
-	}
+					generate_syndicated_feed($link, 0, $feed, $is_cat, 
+						$search, $search_mode, $match_on);
+			}
+		break; // rss
 
-	if ($op == "labelFromSearch") {
-		$search = db_escape_string($_GET["search"]);
-		$search_mode = db_escape_string($_GET["smode"]);
-		$match_on = db_escape_string($_GET["match"]);
-		$is_cat = db_escape_string($_GET["is_cat"]);
-		$title = db_escape_string($_GET["title"]);
-		$feed = sprintf("%d", $_GET["feed"]);
+		case "labelFromSearch":
+			$search = db_escape_string($_GET["search"]);
+			$search_mode = db_escape_string($_GET["smode"]);
+			$match_on = db_escape_string($_GET["match"]);
+			$is_cat = db_escape_string($_GET["is_cat"]);
+			$title = db_escape_string($_GET["title"]);
+			$feed = sprintf("%d", $_GET["feed"]);
 
-		$label_qparts = array();
+			$label_qparts = array();
 
-		$search_expr = getSearchSql($search, $match_on);
+			$search_expr = getSearchSql($search, $match_on);
 
-		if ($is_cat) {
-			if ($feed != 0) {
-				$search_expr .= " AND ttrss_feeds.cat_id = $feed ";
+			if ($is_cat) {
+				if ($feed != 0) {
+					$search_expr .= " AND ttrss_feeds.cat_id = $feed ";
+				} else {
+					$search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
+				}
 			} else {
-				$search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
-			}
-		} else {
-			if ($search_mode == "all_feeds") {
-				// NOOP
-			} else if ($search_mode == "this_cat") {
+				if ($search_mode == "all_feeds") {
+					// NOOP
+				} else if ($search_mode == "this_cat") {
 
-				$tmp_result = db_query($link, "SELECT cat_id
-					FROM ttrss_feeds WHERE id = '$feed'");
+					$tmp_result = db_query($link, "SELECT cat_id
+						FROM ttrss_feeds WHERE id = '$feed'");
 
-				$cat_id = db_fetch_result($tmp_result, 0, "cat_id");
+					$cat_id = db_fetch_result($tmp_result, 0, "cat_id");
 
-				if ($cat_id > 0) {
-					$search_expr .= " AND ttrss_feeds.cat_id = $cat_id ";
+					if ($cat_id > 0) {
+						$search_expr .= " AND ttrss_feeds.cat_id = $cat_id ";
+					} else {
+						$search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
+					}
 				} else {
-					$search_expr .= " AND ttrss_feeds.cat_id IS NULL ";
+					$search_expr .= " AND ttrss_feeds.id = $feed ";
 				}
-			} else {
-				$search_expr .= " AND ttrss_feeds.id = $feed ";
-			}
 
-		}
+			}
 
-		$search_expr = db_escape_string($search_expr);
+			$search_expr = db_escape_string($search_expr);
 
-		print $search_expr;
+			print $search_expr;
 
-		if ($title) {
-			$result = db_query($link,
-				"INSERT INTO ttrss_labels (sql_exp,description,owner_uid) 
-				VALUES ('$search_expr', '$title', '".$_SESSION["uid"]."')");
-		}
-	}
-
-	if ($op == "getUnread") {
-		$login = db_escape_string($_GET["login"]);
+			if ($title) {
+				$result = db_query($link,
+					"INSERT INTO ttrss_labels (sql_exp,description,owner_uid) 
+					VALUES ('$search_expr', '$title', '".$_SESSION["uid"]."')");
+			}
+		break; // labelFromSearch
 
-		header("Content-Type: text/plain; charset=utf-8");
+		case "getUnread":
+			$login = db_escape_string($_GET["login"]);
 
-		$result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$login'");
+			header("Content-Type: text/plain; charset=utf-8");
 
-		if (db_num_rows($result) == 1) {
-			$uid = db_fetch_result($result, 0, "id");
-			print getGlobalUnread($link, $uid);
-		} else {
-			print "-1;User not found";
-		}
+			$result = db_query($link, "SELECT id FROM ttrss_users WHERE login = '$login'");
 
-		$print_exec_time = false;
-	}
+			if (db_num_rows($result) == 1) {
+				$uid = db_fetch_result($result, 0, "id");
+				print getGlobalUnread($link, $uid);
+			} else {
+				print "-1;User not found";
+			}
 
-	if ($op == "digestTest") {
-		header("Content-Type: text/plain");
-		print_r(prepare_headlines_digest($link, $_SESSION["uid"]));
-		$print_exec_time = false;
+			$print_exec_time = false;
+		break; // getUnread
 
-	}
+		case "digestTest":
+			header("Content-Type: text/plain");
+			print_r(prepare_headlines_digest($link, $_SESSION["uid"]));
+			$print_exec_time = false;
+		break; // digestTest
 
-	if ($op == "digestSend") {
-		header("Content-Type: text/plain");
-		send_headlines_digests($link);
-		$print_exec_time = false;
+		case "digestSend":
+			header("Content-Type: text/plain");
+			send_headlines_digests($link);
+			$print_exec_time = false;
+		break; // digestSend
 
-	}
+	} // Select action according to $op value.
 
+	// We close the connection to database.
 	db_close($link);
 ?>