]> git.wh0rd.org - tt-rss.git/blobdiff - backend.php
initial feed browser work
[tt-rss.git] / backend.php
index a4d604179db068d83c9ba677be7282effa49b37c..7b0594660b88b4c80b2913956edbc96a808ad610 100644 (file)
@@ -28,7 +28,7 @@
                exit;
        }
 
-       define('SCHEMA_VERSION', 2);
+       define('SCHEMA_VERSION', 3);
 
        require_once "sanity_check.php";
        require_once "config.php";
 
        $fetch = $_GET["fetch"];
 
+       setcookie("ttrss_icons_url", ICONS_URL);
+
+       if (!sanity_check($link)) { return; }
+
        function getAllCounters($link) {
                getLabelCounters($link);
                getFeedCounters($link);
        }       
 
        function getCategoryCounters($link) {
-               $result = db_query($link, "SELECT COUNT(int_id) AS unread,cat_id 
-                       FROM ttrss_user_entries,ttrss_feeds WHERE unread = true AND feed_id = id
-                               AND ttrss_feeds.owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id
-                       UNION
-                       SELECT 0,cat_id FROM ttrss_feeds 
-                       WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
+               $result = db_query($link, "SELECT cat_id,SUM((SELECT COUNT(int_id) 
+                               FROM ttrss_user_entries WHERE feed_id = ttrss_feeds.id 
+                                       AND unread = true)) AS unread FROM ttrss_feeds 
+                       WHERE 
+                               owner_uid = ".$_SESSION["uid"]." GROUP BY cat_id");
 
                while ($line = db_fetch_assoc($result)) {
                        $line["cat_id"] = sprintf("%d", $line["cat_id"]);
 
                $tctrs_modified = false;
 
-               $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
+/*             $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
                        FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
                        ttrss_user_entries.ref_id = ttrss_entries.id AND 
                        ttrss_tags.owner_uid = ".$_SESSION["uid"]." AND
                        post_int_id = ttrss_user_entries.int_id AND unread = true GROUP BY tag_name 
                UNION
                        select tag_name,0 as count FROM ttrss_tags
-                       WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]);
+                       WHERE ttrss_tags.owner_uid = ".$_SESSION["uid"]); */
 
+               $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id) 
+                       FROM ttrss_user_entries WHERE int_id = post_int_id 
+                               AND unread = true)) AS count FROM ttrss_tags 
+                       WHERE owner_uid = 2 GROUP BY tag_name ORDER BY tag_name");
+                       
                $tags = array();
 
                while ($line = db_fetch_assoc($result)) {
                }
        }
 
-       function getFeedCounter($link, $id) {
+/*     function getFeedCounter($link, $id) {
        
                $result = db_query($link, "SELECT 
-                               count(id) as count FROM ttrss_entries,ttrss_user_entries
+                               count(id) as count,last_error
+                       FROM ttrss_entries,ttrss_user_entries,ttrss_feeds
                        WHERE feed_id = '$id' AND unread = true
+                       AND ttrss_user_entries.feed_id = ttrss_feeds.id
                        AND ttrss_user_entries.ref_id = ttrss_entries.id");
        
                        $count = db_fetch_result($result, 0, "count");
+                       $last_error = htmlspecialchars(db_fetch_result($result, 0, "last_error"));
                        
-                       print "<counter type=\"feed\" id=\"$id\" counter=\"$count\"/>";         
-       }
+                       print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" error=\"$last_error\"/>";           
+       } */
 
        function getFeedCounters($link, $smart_mode = SMART_RPC_COUNTERS) {
 
 
                $old_counters = $_SESSION["fctr_last_value"];
 
-               $result = db_query($link, "SELECT id,
+               $result = db_query($link, "SELECT id,last_error,parent_feed,
                        (SELECT count(id) 
                                FROM ttrss_entries,ttrss_user_entries 
-                               WHERE feed_id = ttrss_feeds.id AND ttrss_user_entries.ref_id = ttrss_entries.id
+                               WHERE feed_id = ttrss_feeds.id AND 
+                                       ttrss_user_entries.ref_id = ttrss_entries.id
                                AND unread = true AND owner_uid = ".$_SESSION["uid"].") as count
-                       FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"]);
+                       FROM ttrss_feeds WHERE owner_uid = ".$_SESSION["uid"] . "
+                               AND parent_feed IS NULL");
 
                $fctrs_modified = false;
 
                
                        $id = $line["id"];
                        $count = $line["count"];
+                       $last_error = htmlspecialchars($line["last_error"]);
+       
+                       $has_img = is_file(ICONS_DIR . "/$id.ico");
+
+                       $tmp_result = db_query($link,
+                               "SELECT id,COUNT(unread) AS unread
+                               FROM ttrss_feeds LEFT JOIN ttrss_user_entries 
+                                       ON (ttrss_feeds.id = ttrss_user_entries.feed_id) 
+                               WHERE parent_feed = '$id' AND unread = true GROUP BY ttrss_feeds.id");
+                       
+                       if (db_num_rows($tmp_result) > 0) {                             
+                               while ($l = db_fetch_assoc($tmp_result)) {
+                                       $count += $l["unread"];
+                               }
+                       }
 
                        if (!$smart_mode || $old_counters[$id] != $count) {
                                $old_counters[$id] = $count;
                                $fctrs_modified = true;
-                               print "<counter type=\"feed\" id=\"$id\" counter=\"$count\"/>";
+
+                               if ($last_error) {
+                                       $error_part = "error=\"$last_error\"";
+                               } else {
+                                       $error_part = "";
+                               }
+
+                               if ($has_img) {
+                                       $has_img_part = "hi=\"$has_img\"";
+                               } else {
+                                       $has_img_part = "";
+                               }                               
+
+                               print "<counter type=\"feed\" id=\"$id\" counter=\"$count\" $has_img_part $error_part/>";
                        }
                }
 
                print "<script type=\"text/javascript\" src=\"functions.js\"></script>
                        <script type=\"text/javascript\" src=\"feedlist.js\"></script>
                        <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">
+                       <!--[if gte IE 5.5000]>
+                       <script type=\"text/javascript\" src=\"pngfix.js\"></script>
+                       <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss-ie.css\">
+                       <![endif]-->
                        </head><body onload=\"init()\">";
 
                print "<ul class=\"feedList\" id=\"feedList\">";
                                $order_by_qpart = "title";
                        }
 
-                       $result = db_query($link, "SELECT *,
-                               (SELECT count(id) FROM ttrss_entries,ttrss_user_entries
+                       $result = db_query($link, "SELECT ttrss_feeds.*,
+                               (SELECT COUNT(id) FROM ttrss_entries,ttrss_user_entries
                                        WHERE feed_id = ttrss_feeds.id AND 
                                        ttrss_user_entries.ref_id = ttrss_entries.id AND
                                        owner_uid = '$owner_uid') AS total,
-                               (SELECT count(id) FROM ttrss_entries,ttrss_user_entries
+                               (SELECT COUNT(id) FROM ttrss_entries,ttrss_user_entries
                                        WHERE feed_id = ttrss_feeds.id AND unread = true
                                                AND ttrss_user_entries.ref_id = ttrss_entries.id
                                                AND owner_uid = '$owner_uid') as unread,
-                               (SELECT title FROM ttrss_feed_categories 
-                                       WHERE id = cat_id) AS category,
-                               cat_id,
-                               (SELECT collapsed FROM ttrss_feed_categories
-                                       WHERE id = cat_id) AS collapsed
-                               FROM ttrss_feeds WHERE owner_uid = '$owner_uid' ORDER BY $order_by_qpart");                     
-       
+                               cat_id,last_error,
+                               ttrss_feed_categories.title AS category,
+                               ttrss_feed_categories.collapsed 
+                               FROM ttrss_feeds LEFT JOIN ttrss_feed_categories 
+                                       ON (ttrss_feed_categories.id = cat_id)                          
+                               WHERE 
+                                       ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
+                               ORDER BY $order_by_qpart"); 
+
                        $actid = $_GET["actid"];
        
                        /* real feeds */
                                $total = $line["total"];
                                $unread = $line["unread"];
 
+                               $tmp_result = db_query($link,
+                                       "SELECT id,COUNT(unread) AS unread
+                                       FROM ttrss_feeds LEFT JOIN ttrss_user_entries 
+                                               ON (ttrss_feeds.id = ttrss_user_entries.feed_id) 
+                                       WHERE parent_feed = '$feed_id' AND unread = true 
+                                       GROUP BY ttrss_feeds.id");
+                       
+                               if (db_num_rows($tmp_result) > 0) {                             
+                                       while ($l = db_fetch_assoc($tmp_result)) {
+                                               $unread += $l["unread"];
+                                       }
+                               }
+
                                $cat_id = $line["cat_id"];
 
                                $tmp_category = $line["category"];
                                }
                                
        //                      $class = ($lnum % 2) ? "even" : "odd";
-       
-                               $class = "feed";
+
+                               if ($line["last_error"]) {
+                                       $class = "error";
+                               } else {
+                                       $class = "feed";
+                               }
        
                                if ($unread > 0) $class .= "Unread";
        
 
                                        $collapsed = $line["collapsed"];
 
+                                       // workaround for NULL category
+                                       if ($category == "Uncategorized") {
+                                               if ($_COOKIE["ttrss_vf_uclps"] == 1) {
+                                                       $collapsed = "t";
+                                               }
+                                       }
+
                                        if ($collapsed == "t" || $collapsed == "1") {
                                                $holder_class = "invisible";
-                                               $tmp_category .= "...";
+                                               $ellipsis = "...";
                                        } else {
                                                $holder_class = "";
+                                               $ellipsis = "";
                                        }
 
                                        if ($cat_id) {
                                        print "<li class=\"feedCat\" id=\"FCAT-$cat_id\">
                                                <a href=\"javascript:toggleCollapseCat($cat_id)\">$tmp_category
                                                        <span id=\"FCATCTR-$cat_id\" 
-                                                       class=\"$catctr_class\">($cat_unread unread)</span></a></li>";
+                                                       class=\"$catctr_class\">($cat_unread unread)$ellipsis</span></a></li>";
 
                                        // !!! NO SPACE before <ul...feedCatList - breaks firstChild DOM function
                                        // -> keyboard navigation, etc.
-                                       print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\">";
+                                       print "<li id=\"feedCatHolder\" class=\"$holder_class\"><ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\">";
                                }
        
                                printFeedEntry($feed_id, $class, $feed, $unread, 
 
                        // tags
 
-                       $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
+/*                     $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
                                FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
                                post_int_id = ttrss_user_entries.int_id AND 
                                unread = true AND ref_id = ttrss_entries.id
                                AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name       
                        UNION
                                select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
-                       ORDER BY tag_name");
-       
+                       ORDER BY tag_name"); */
+
+                       $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id) 
+                               FROM ttrss_user_entries WHERE int_id = post_int_id 
+                                       AND unread = true)) AS count FROM ttrss_tags 
+                               WHERE owner_uid = 2 GROUP BY tag_name ORDER BY tag_name");
+
                        $tags = array();
        
                        while ($line = db_fetch_assoc($result)) {
                        if (strchr($omode, "l")) getLabelCounters($link);
                        if (strchr($omode, "f")) getFeedCounters($link);
                        if (strchr($omode, "t")) getTagCounters($link);
+                       if (get_pref($link, 'ENABLE_FEED_CATS')) {
+                               getCategoryCounters($link);
+                       }
                        getGlobalCounters($link);
                        print "</rpc-reply>";
                }
                }
 
                if ($subop == "sanityCheck") {
-
-                       $error_code = 0;
-
-                       $result = db_query($link, "SELECT schema_version FROM ttrss_version");
-
-                       $schema_version = db_fetch_result($result, 0, "schema_version");
-
-                       if ($schema_version != SCHEMA_VERSION) {
-                               $error_code = 5;
-                       }
-
-                       print "<error error-code='$error_code'/>";
+                       sanity_check();
                }
 
                if ($subop == "globalPurge") {
                                $entry_comments = "<a href=\"$comments_url\">$num_comments comments</a>";
                        } else {
                                if ($line["comments"] && $line["link"] != $line["comments"]) {
-                                       $entry_comments = "<a href=\"".$line["comments"]."\">Comments</a>";
+                                       $entry_comments = "<a href=\"".$line["comments"]."\">comments</a>";
                                }                               
                        }
 
                        print "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">  
                                <script type=\"text/javascript\" src=\"functions.js\"></script>
                                <script type=\"text/javascript\" src=\"viewfeed.js\"></script>
+                               <!--[if gte IE 5.5000]>
+                               <script type=\"text/javascript\" src=\"pngfix.js\"></script>
+                               <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss-ie.css\">
+                               <![endif]-->
                                </head><body onload='init()'>";
                }
 
                        if (sprintf("%d", $feed) != 0) {
                        
                                if ($feed > 0) {
-                                       db_query($link, "UPDATE ttrss_user_entries 
-                                               SET unread = false,last_read = NOW() 
-                                               WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
+
+                                       $tmp_result = db_query($link, "SELECT id 
+                                               FROM ttrss_feeds WHERE parent_feed = '$feed'
+                                               ORDER BY cat_id,title");
+
+                                       $parent_ids = array();
+
+                                       if (db_num_rows($tmp_result) > 0) {
+                                               while ($p = db_fetch_assoc($tmp_result)) {
+                                                       array_push($parent_ids, "feed_id = " . $p["id"]);
+                                               }
+
+                                               $children_qpart = implode(" OR ", $parent_ids);
+                                               
+                                               db_query($link, "UPDATE ttrss_user_entries 
+                                                       SET unread = false,last_read = NOW() 
+                                                       WHERE (feed_id = '$feed' OR $children_qpart) 
+                                                       AND owner_uid = " . $_SESSION["uid"]);
+
+                                       } else {                                                
+                                               db_query($link, "UPDATE ttrss_user_entries 
+                                                       SET unread = false,last_read = NOW() 
+                                                       WHERE feed_id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
+                                       }
                                                
                                } else if ($feed < 0 && $feed > -10) { // special, like starred
 
                        $view_query_part = " unread = true AND ";
                }
 
-/*             if ($view_mode == "Unread or Starred") {
-                       $view_query_part = " (unread = true OR marked = true) AND ";
-               }
-
-               if ($view_mode == "Unread or Updated") {
-                       $view_query_part = " (unread = true OR last_read is NULL) AND ";
-               } */
-
-/*             $result = db_query($link, "SELECT count(id) AS total_entries 
-                       FROM ttrss_entries WHERE 
-                       $search_query_part
-                       feed_id = '$feed'");
-
-               $total_entries = db_fetch_result($result, 0, "total_entries"); */
-
-/*             $result = db_query("SELECT count(id) AS unread_entries 
-                       FROM ttrss_entries WHERE 
-                       $search_query_part
-                       unread = true AND
-                       feed_id = '$feed'");
-
-               $unread_entries = db_fetch_result($result, 0, "unread_entries"); */
-
                if ($limit && $limit != "All") {
                        $limit_query_part = "LIMIT " . $limit;
                } 
                // override query strategy and enable feed display when searching globally
                if ($search && $search_mode == "All feeds") {
                        $query_strategy_part = "id > 0";
-                       $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
-                               id = feed_id) as feed_title,";
+                       $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
                } else if (sprintf("%d", $feed) == 0) {
                        $query_strategy_part = "ttrss_entries.id > 0";
                        $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
                                id = feed_id) as feed_title,";
                } else if ($feed >= 0) {
-                       $query_strategy_part = "feed_id = '$feed'";
+               
+                       $tmp_result = db_query($link, "SELECT id 
+                               FROM ttrss_feeds WHERE parent_feed = '$feed'
+                               ORDER BY cat_id,title");
+
+                       $parent_ids = array();
+
+                       if (db_num_rows($tmp_result) > 0) {
+                               while ($p = db_fetch_assoc($tmp_result)) {
+                                       array_push($parent_ids, "feed_id = " . $p["id"]);
+                               }
+
+                               $query_strategy_part = sprintf("(feed_id = %d OR %s)", 
+                                       $feed, implode(" OR ", $parent_ids));
+       
+                               $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
+                       } else {
+                               $query_strategy_part = "feed_id = '$feed'";
+                       }
                } else if ($feed == -1) { // starred virtual feed
                        $query_strategy_part = "marked = true";
-                       $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
-                               id = feed_id) as feed_title,";
+                       $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
                } else if ($feed <= -10) { // labels
                        $label_id = -$feed - 11;
 
                
                        $query_strategy_part = db_fetch_result($tmp_result, 0, "sql_exp");
        
-                       $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
-                               id = feed_id) as feed_title,";
+                       $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
                } else {
                        $query_strategy_part = "id > 0"; // dumb
                }
                } else if (sprintf("%d", $feed) == 0) {
                        $feed_title = $feed;
                } else if ($feed > 0) {
-                       $result = db_query($link, "SELECT title,site_url FROM ttrss_feeds 
+                       $result = db_query($link, "SELECT title,site_url,last_error FROM ttrss_feeds 
                                WHERE id = '$feed'");
 
                        $feed_title = db_fetch_result($result, 0, "title");
                        $feed_site_url = db_fetch_result($result, 0, "site_url");
+                       $last_error = db_fetch_result($result, 0, "last_error");
 
                } else if ($feed == -1) {
                        $feed_title = "Starred articles";
 //                     }
 
                        $result = db_query($link, "SELECT 
-                                       id,title,
+                                       ttrss_entries.id,ttrss_entries.title,
                                        SUBSTRING(updated,1,16) as updated,
                                        unread,feed_id,marked,link,last_read,
                                        SUBSTRING(last_read,1,19) as last_read_noms,
                                        $content_query_part
                                        SUBSTRING(updated,1,19) as updated_noms
                                FROM
-                                       ttrss_entries,ttrss_user_entries
+                                       ttrss_entries,ttrss_user_entries,ttrss_feeds
                                WHERE
+                               ttrss_user_entries.feed_id = ttrss_feeds.id AND
                                ttrss_user_entries.ref_id = ttrss_entries.id AND
-                               owner_uid = '".$_SESSION["uid"]."' AND
+                               ttrss_user_entries.owner_uid = '".$_SESSION["uid"]."' AND
                                $search_query_part
                                $view_query_part
                                $query_strategy_part ORDER BY $order_by
                                ttrss_entries.id as id,title,
                                SUBSTRING(updated,1,16) as updated,
                                unread,feed_id,
-                               marked,link,last_read,
+                               marked,link,last_read,                          
                                SUBSTRING(last_read,1,19) as last_read_noms,
                                $vfeed_query_part
                                $content_query_part
                                print "<td class=\"headlineActions\">
                                        Select: 
                                                                <a href=\"javascript:selectTableRowsByIdPrefix('headlinesList', 
-                                                                       'RROW-', 'RCHK-', true)\">All</a>,
+                                                                       'RROW-', 'RCHK-', true, '', true)\">All</a>,
                                                                <a href=\"javascript:selectTableRowsByIdPrefix('headlinesList', 
-                                                                       'RROW-', 'RCHK-', true, 'Unread')\">Unread</a>,
+                                                                       'RROW-', 'RCHK-', true, 'Unread', true)\">Unread</a>,
                                                                <a href=\"javascript:selectTableRowsByIdPrefix('headlinesList', 
                                                                        'RROW-', 'RCHK-', false)\">None</a>
                                                &nbsp;&nbsp;
                                                Toggle: <a href=\"javascript:selectionToggleUnread()\">Unread</a>,
                                                                <a href=\"javascript:selectionToggleMarked()\">Starred</a>";
-                       
                                print "</td>";
 
                        } else {
 
                        }
 
+                       if ($last_error) {
+                                       print "<td align='center' class='small'>
+                                               <a class=\"warning\" href=\"javascript:alert('TT-RSS encountered an error while trying to update this feed.\\n\\n$last_error')\">Could not update this feed.</a></td>";
+                               }       
+
                        print "<td class=\"headlineTitle\">";
                
                        if ($feed_site_url) {
 
        if ($op == "pref-feeds") {
        
-               $subop = $_GET["subop"];
-               $quiet = $_GET["quiet"];
+               $subop = $_REQUEST["subop"];
+               $quiet = $_REQUEST["quiet"];
+
+               if ($subop == "browse") {
+                       
+                       print "<div class=\"infoBoxContents\">";
+
+                       print "<h1>Feed browser</h1>";
+
+                       print "<p>Showing top 50 registered feeds, sorted by popularity:</p>";
+
+                       $result = db_query($link, "SELECT feed_url,count(id) AS subscribers 
+                               FROM ttrss_feeds WHERE auth_login = '' AND auth_pass = '' 
+                               GROUP BY feed_url ORDER BY subscribers LIMIT 50");
+                       
+                       print "<ul class='browseFeedList' id='browseFeedList'>";
+                       
+                       while ($line = db_fetch_assoc($result)) {
+                               $feed_url = $line["feed_url"];
+                               $subscribers = $line["subscribers"];
+                       
+                               $det_result = db_query($link, "SELECT site_url,title,id 
+                                       FROM ttrss_feeds WHERE feed_url = '$feed_url' LIMIT 1");
+
+                               $details = db_fetch_assoc($det_result);
+                       
+                               $icon_file = ICONS_DIR . "/" . $details["id"] . ".ico";
+
+                               if (file_exists($icon_file) && filesize($icon_file) > 0) {
+                                               $feed_icon = "<img class=\"tinyFeedIcon\"       src=\"" . ICONS_URL . 
+                                                       "/".$details["id"].".ico\">";
+                               } else {
+                                       $feed_icon = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\">";
+                               }
+
+                               $check_box = "<input class='feedBrowseCB' type=\"checkbox\" id=\"BFCHK-" . $details["id"] . "\">";
+
+                               print "<li>$check_box $feed_icon" . $details["title"] . 
+                                       "&nbsp;<span class='subscribers'>($subscribers)</span></li>";
+                                                               }
+
+                       print "</ul>";
+
+                       print "<div align='center'>
+                               <input type='submit' class='button'                     
+                               onclick=\"closeInfoBox()\" value=\"Cancel\">
+                               <input type=\"submit\" class=\"button\" 
+                               onclick=\"feedBrowserSubscribe()\" value=\"Subscribe\"></div>";
+
+                       print "</div>";
+                       return;
+               }
 
                if ($subop == "editfeed") {
                        $feed_id = db_escape_string($_GET["id"]);
                        print "<td><input id=\"iedit_updintl\" 
                                value=\"$update_interval\"></td></tr>";
 
+                       $row_class = toggleEvenOdd($row_class);
+                       print "<tr class='$row_class'><td>Link to:</td>";
+
+                       $parent_feed = db_fetch_result($result, 0, "parent_feed");
+               
+                       print "<select id=\"iedit_parent_feed\">";
+                       print "<option id=\"0\">Not linked</option>";
+
+                       if (get_pref($link, 'ENABLE_FEED_CATS')) {
+                               if ($cat_id) {
+                                       $cat_qpart = "AND cat_id = '$cat_id'";
+                               } else {
+                                       $cat_qpart = "AND cat_id IS NULL";
+                               }
+                       }
+
+                       $tmp_result = db_query($link, "SELECT id,title FROM ttrss_feeds
+                               WHERE owner_uid = ".$_SESSION["uid"]." $cat_qpart ORDER BY title");
+
+                               if (db_num_rows($tmp_result) > 0) {
+                                       print "<option disabled>--------</option>";
+                               }
+
+                               while ($tmp_line = db_fetch_assoc($tmp_result)) {
+                                       if ($tmp_line["id"] == $parent_feed) {
+                                               $is_selected = "selected";
+                                       } else {
+                                               $is_selected = "";
+                                       }
+                                       printf("<option $is_selected id='%d'>%s</option>", 
+                                               $tmp_line["id"], $tmp_line["title"]);
+                               }
+
+                               print "</select></td>";
+                               print "</td></tr>";
+
                        $purge_interval = db_fetch_result($result, 0, "purge_interval");
                        $row_class = toggleEvenOdd($row_class);
 
                        print "<td><input id=\"iedit_purgintl\" 
                                value=\"$purge_interval\"></td></tr>";
 
+//                     print "<tr><td colspan=\"2\"><b>Authentication</b></td></tr>";
+
+                       $row_class = toggleEvenOdd($row_class);
+                       $auth_login = db_fetch_result($result, 0, "auth_login");
+
+                       print "<tr class='$row_class'><td>Login:</td>";
+                       print "<td><input id=\"iedit_login\" 
+                               value=\"$auth_login\"></td></tr>";
+
+                       $row_class = toggleEvenOdd($row_class);
+                       $auth_pass = db_fetch_result($result, 0, "auth_pass");
+
+                       print "<tr class='$row_class'><td>Password:</td>";
+                       print "<td><input type=\"password\" id=\"iedit_pass\" 
+                               value=\"$auth_pass\"></td></tr>";
+
                        print "</table>";
                        print "</div>";
 
                }
 
                if ($subop == "editSave") {
-                       $feed_title = db_escape_string($_GET["t"]);
-                       $feed_link = db_escape_string($_GET["l"]);
-                       $upd_intl = db_escape_string($_GET["ui"]);
-                       $purge_intl = db_escape_string($_GET["pi"]);
-                       $feed_id = db_escape_string($_GET["id"]);
-                       $cat_id = db_escape_string($_GET["catid"]);
+                       $feed_title = db_escape_string($_POST["t"]);
+                       $feed_link = db_escape_string($_POST["l"]);
+                       $upd_intl = db_escape_string($_POST["ui"]);
+                       $purge_intl = db_escape_string($_POST["pi"]);
+                       $feed_id = db_escape_string($_POST["id"]);
+                       $cat_id = db_escape_string($_POST["catid"]);
+                       $auth_login = db_escape_string($_POST["login"]);
+                       $auth_pass = db_escape_string($_POST["pass"]);
+                       $parent_feed = db_escape_string($_POST["pfeed"]);
 
                        if (strtoupper($upd_intl) == "DEFAULT")
                                $upd_intl = 0;
                                $category_qpart = 'cat_id = NULL';
                        }
 
+                       if ($parent_feed != 0) {
+                               $parent_qpart = "parent_feed = '$parent_feed'";
+                       } else {
+                               $parent_qpart = 'parent_feed = NULL';
+                       }
+
                        $result = db_query($link, "UPDATE ttrss_feeds SET 
                                $category_qpart,
+                               $parent_qpart,
                                title = '$feed_title', feed_url = '$feed_link',
                                update_interval = '$upd_intl',
-                               purge_interval = '$purge_intl'
+                               purge_interval = '$purge_intl',
+                               auth_login = '$auth_login',
+                               auth_pass = '$auth_pass'
                                WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);                    
                }
 
                        if (!WEB_DEMO_MODE) {
 
                                $feed_link = db_escape_string(trim($_GET["link"]));
+                               $cat_id = db_escape_string($_GET["cid"]);
+
+                               if ($cat_id == "0" || !$cat_id) {
+                                       $cat_qpart = "NULL";
+                               } else {
+                                       $cat_qpart = "'$cat_id'";
+                               }
 
                                $result = db_query($link,
                                        "SELECT id FROM ttrss_feeds 
                                if (db_num_rows($result) == 0) {
                                        
                                        $result = db_query($link,
-                                               "INSERT INTO ttrss_feeds (owner_uid,feed_url,title) 
-                                               VALUES ('".$_SESSION["uid"]."', '$feed_link', '')");
+                                               "INSERT INTO ttrss_feeds (owner_uid,feed_url,title,cat_id) 
+                                               VALUES ('".$_SESSION["uid"]."', '$feed_link', 
+                                               '[Unknown]', $cat_qpart)");
 
                                        $result = db_query($link,
-                                       "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link' 
+                                               "SELECT id FROM ttrss_feeds WHERE feed_url = '$feed_link' 
                                                AND owner_uid = " . $_SESSION["uid"]);
 
                                        $feed_id = db_fetch_result($result, 0, "id");
                if (db_num_rows($result) > 0) {
                
                        print "<div class=\"warning\">";
-               
+                       
+//                     print"<img class=\"closeButton\" 
+//                             onclick=\"javascript:hideParentElement(this);\" src=\"images/close.png\">";
+       
                        print "<a href=\"javascript:showBlockElement('feedUpdateErrors')\">
                                <b>Feeds with update errors</b> (click to expand)</a>";
 
                                size=\"40\">
                                <input type=\"submit\" class=\"button\"
                                onclick=\"javascript:addFeed()\" value=\"Add feed\">
+                               &nbsp;
+                               (<a href='javascript:browseFeeds()'>Browse feeds</a>)
                        </td><td align='right'>
                                <input id=\"feed_search\" size=\"20\"  
                                onchange=\"javascript:updateFeedList()\"
                $_SESSION["pref_sort_feeds"] = $feeds_sort;
 
                if ($feed_search) {
-                       $search_qpart = "(UPPER(title) LIKE UPPER('%$feed_search%') OR
-                               UPPER(feed_url) LIKE UPPER('%$feed_search%')) AND";
+                       $search_qpart = "(UPPER(F1.title) LIKE UPPER('%$feed_search%') OR
+                               UPPER(F1.feed_url) LIKE UPPER('%$feed_search%')) AND";
                } else {
                        $search_qpart = "";
                }
 
                $result = db_query($link, "SELECT 
-                               id,title,feed_url,substring(last_updated,1,16) as last_updated,
-                               update_interval,purge_interval,cat_id,
-                               (SELECT title FROM ttrss_feed_categories 
-                                       WHERE id = cat_id) AS category
+                               F1.id,
+                               F1.title,
+                               F1.feed_url,
+                               substring(F1.last_updated,1,16) AS last_updated,
+                               F1.parent_feed,
+                               F1.update_interval,
+                               F1.purge_interval,
+                               F1.cat_id,
+                               F2.title AS parent_title,
+                               C1.title AS category                            
                        FROM 
-                               ttrss_feeds 
+                               ttrss_feeds AS F1 
+                               LEFT JOIN ttrss_feeds AS F2
+                                       ON (F1.parent_feed = F2.id)
+                               LEFT JOIN ttrss_feed_categories AS C1
+                                       ON (F1.cat_id = C1.id)
                        WHERE 
-                               $search_qpart owner_uid = '".$_SESSION["uid"]."'                        
+                               $search_qpart F1.owner_uid = '".$_SESSION["uid"]."'                     
                        ORDER by category,$feeds_sort,title");
 
                if (db_num_rows($result) != 0) {
                                $edit_title = truncate_string($edit_title, 40);
                                $edit_link = truncate_string($edit_link, 60);
 
+                               $parent_title = $line["parent_title"];
+                               if ($parent_title) {
+                                       $parent_title = "<span class='groupPrompt'>(linked to 
+                                               $parent_title)</span>";
+                               }
+
                                print "<td><a href=\"javascript:editFeed($feed_id);\">" . 
-                                       "$feed_icon $edit_title" . "</a></td>";         
+                                       "$feed_icon $edit_title $parent_title" . "</a></td>";           
                                        
                                print "<td><a href=\"javascript:editFeed($feed_id);\">" . 
                                        $edit_link . "</a></td>";               
                                ttrss_filter_types.description AS filter_type_descr,
                                feed_id,
                                ttrss_filter_actions.description AS action_description,
-                               (SELECT title FROM ttrss_feeds WHERE id = feed_id) AS feed_title
+                               ttrss_feeds.title AS feed_title
                        FROM 
-                               ttrss_filters,ttrss_filter_types,ttrss_filter_actions
+                               ttrss_filters,ttrss_filter_types,ttrss_filter_actions LEFT JOIN
+                                       ttrss_feeds ON (feed_id = ttrss_feeds.id)
                        WHERE
                                filter_type = ttrss_filter_types.id AND
                                ttrss_filter_actions.id = action_id AND
                        print "
                        Feed URL: <input 
                        onblur=\"javascript:enableHotkeys()\" onfocus=\"javascript:disableHotkeys()\"
-                       id=\"qafInput\">
-                       <input class=\"button\"
+                       id=\"qafInput\">";
+               
+                       if (get_pref($link, 'ENABLE_FEED_CATS')) {
+                               $result = db_query($link, "SELECT title,id FROM ttrss_feed_categories
+                                       WHERE owner_uid = ".$_SESSION["uid"]."
+                                       ORDER BY title");
+
+                               print " <select id=\"qafCat\">";
+                               print "<option id=\"0\">Uncategorized</option>";
+
+                               if (db_num_rows($result) != 0) {
+       
+                                       print "<option disabled>--------</option>";
+
+                                       while ($line = db_fetch_assoc($result)) {
+                                               printf("<option id='%d'>%s</option>", 
+                                                       $line["id"], $line["title"]);
+                                       }               
+                               }
+
+                               print "</select>";
+                       }
+                       
+                       print "&nbsp;<input class=\"button\"
                                type=\"submit\" onclick=\"javascript:qafAdd()\" value=\"Add feed\">
                        <input class=\"button\"
                                type=\"submit\" onclick=\"javascript:closeDlg()\" 
 
                        $_SESSION["prefs_op_result"] = "save-config";
 
+                       $_SESSION["prefs_cache"] = false;
+
                        foreach (array_keys($_POST) as $pref_name) {
                        
                                $pref_name = db_escape_string($pref_name);
                                print "Unknown option: $pref_name";
                        }
 
+               } else if ($subop == "Change e-mail") {
+
+                       if (WEB_DEMO_MODE) {
+                               header("Location: prefs.php");
+                               return;
+                       }
+
+                       $email = db_escape_string($_GET["email"]);
+                       $active_uid = $_SESSION["uid"];
+
+                       if ($email) {
+                               db_query($link, "UPDATE ttrss_users SET email = '$email' 
+                                               WHERE id = '$active_uid'");                             
+                       }
+
+                       header("Location: prefs.php");
+
                } else if ($subop == "Change password") {
 
                        if (WEB_DEMO_MODE) {
 
                        if (!SINGLE_USER_MODE) {
 
-                               $result = db_query($link, "SELECT id FROM ttrss_users
+                               $result = db_query($link, "SELECT id,email FROM ttrss_users
                                        WHERE id = ".$_SESSION["uid"]." AND (pwd_hash = 'password' OR
                                                pwd_hash = 'SHA1:".sha1("password")."')");
 
 
                                $_SESSION["prefs_op_result"] = "";
 
+                               print "<form action=\"backend.php\" method=\"GET\">";
+       
+                               print "<table width=\"100%\" class=\"prefPrefsList\">";
+                               print "<tr><td colspan='3'><h3>Personal data</h3></tr></td>";
+
+                               $result = db_query($link, "SELECT email FROM ttrss_users
+                                       WHERE id = ".$_SESSION["uid"]);
+                                       
+                               $email = db_fetch_result($result, 0, "email");
+       
+                               print "<tr><td width=\"40%\">E-mail</td>";
+                               print "<td><input class=\"editbox\" name=\"email\" 
+                                       value=\"$email\"></td></tr>";
+       
+                               print "</table>";
+       
+                               print "<input type=\"hidden\" name=\"op\" value=\"pref-prefs\">";
+       
+                               print "<p><input class=\"button\" type=\"submit\" 
+                                       value=\"Change e-mail\" name=\"subop\">";
+
                                print "<form action=\"backend.php\" method=\"POST\">";
        
                                print "<table width=\"100%\" class=\"prefPrefsList\">";
                                $login = db_escape_string($_GET["l"]);
                                $uid = db_escape_string($_GET["id"]);
                                $access_level = sprintf("%d", $_GET["al"]);
+                               $email = db_escape_string($_GET["e"]);
 
-                               db_query($link, "UPDATE ttrss_users SET login = '$login', access_level = '$access_level' WHERE id = '$uid'");
+                               db_query($link, "UPDATE ttrss_users SET login = '$login', 
+                                       access_level = '$access_level', email = '$email' WHERE id = '$uid'");
 
                        }
                } else if ($subop == "remove") {
 
                                $uid = db_escape_string($_GET["id"]);
 
-                               $result = db_query($link, "SELECT login FROM ttrss_users WHERE id = '$uid'");
+                               $result = db_query($link, "SELECT login,email 
+                                       FROM ttrss_users WHERE id = '$uid'");
 
                                $login = db_fetch_result($result, 0, "login");
+                               $email = db_fetch_result($result, 0, "email");
                                $tmp_user_pwd = make_password(8);
                                $pwd_hash = 'SHA1:' . sha1($tmp_user_pwd);
 
                                        WHERE id = '$uid'");
 
                                print "<div class=\"notice\">Changed password of 
-                                       user <b>$login</b> to <b>$tmp_user_pwd</b>.</div>";                             
+                                       user <b>$login</b> to <b>$tmp_user_pwd</b>.";
+
+                               if (MAIL_RESET_PASS && $email) {
+                                       print " Notifying <b>$email</b>.";
+
+                                       mail("$login <$email>", "Password reset notification",
+                                               "Hi, $login.\n".
+                                               "\n".
+                                               "Your password for this TT-RSS installation was reset by".
+                                                       " an administrator.\n".
+                                               "\n".
+                                               "Your new password is $tmp_user_pwd, please remember".
+                                                       " it for later reference.\n".
+                                               "\n".
+                                               "Sincerely, TT-RSS Mail Daemon.", "From: " . MAIL_FROM);
+                               }
+                                       
+                               print "</div>";                         
 
                        }
                }
                        onclick=\"javascript:addUser()\" value=\"Add user\"></div>";
 
                $result = db_query($link, "SELECT 
-                               id,login,access_level,
+                               id,login,access_level,email,
                                SUBSTRING(last_login,1,16) as last_login
                        FROM 
                                ttrss_users
 
                print "<tr class=\"title\">
                                        <td align='center' width=\"5%\">&nbsp;</td>
-                                       <td width='30%'>Username</td>
-                                       <td width='30%'>Access Level</td>
-                                       <td width='30%'>Last login</td></tr>";
+                                       <td width='20%'>Username</td>
+                                       <td width='20%'>E-mail</td>
+                                       <td width='20%'>Access Level</td>
+                                       <td width='20%'>Last login</td></tr>";
                
                $lnum = 0;
                
                        $uid = $line["id"];
                        $edit_uid = $_GET["id"];
 
-                       if ($uid == $_SESSION["uid"] || ($subop == "edit" && $uid != $edit_uid)) {
+                       if ($subop == "edit" && $uid != $edit_uid) {
                                $class .= "Grayed";
                                $this_row_id = "";
                        } else {
                        $line["last_login"] = date(get_pref($link, 'SHORT_DATE_FORMAT'),
                                strtotime($line["last_login"]));
 
-                       if ($uid == $_SESSION["uid"]) {
+/*                     if ($uid == $_SESSION["uid"]) {
 
                                print "<td align='center'><input disabled=\"true\" type=\"checkbox\" 
                                        id=\"UMCHK-".$line["id"]."\"></td>";
 
-                               print "<td>".$line["login"]."</td>";            
-                               print "<td>".$line["access_level"]."</td>";             
+                               print "<td>".$line["login"]."</td>";
+                               print "<td>".$line["email"]."</td>";
+                               print "<td>".$line["access_level"]."</td>";
 
-                       } else if (!$edit_uid || $subop != "edit") {
+                       } else */ if (!$edit_uid || $subop != "edit") {
 
                                print "<td align='center'><input onclick='toggleSelectRow(this);' 
                                type=\"checkbox\" id=\"UMCHK-$uid\"></td>";
 
                                print "<td><a href=\"javascript:editUser($uid);\">" . 
                                        $line["login"] . "</td>";               
-                                       
+
+                               print "<td><a href=\"javascript:editUser($uid);\">" . 
+                                       $line["email"] . "</td>";                       
+
                                print "<td><a href=\"javascript:editUser($uid);\">" . 
                                        $line["access_level"] . "</td>";                        
 
                        } else if ($uid != $edit_uid) {
 
-                               print "<td><input disabled=\"true\" type=\"checkbox\" 
+                               print "<td align='center'><input disabled=\"true\" type=\"checkbox\" 
                                        id=\"UMCHK-".$line["id"]."\"></td>";
 
                                print "<td>".$line["login"]."</td>";            
+                               print "<td>".$line["email"]."</td>";            
                                print "<td>".$line["access_level"]."</td>";             
 
                        } else {
 
-                               print "<td><input disabled=\"true\" type=\"checkbox\" checked></td>";
+                               print "<td align='center'>
+                                       <input disabled=\"true\" type=\"checkbox\" checked></td>";
 
                                print "<td><input id=\"iedit_ulogin\" value=\"".$line["login"].
                                        "\"></td>";
 
+                               print "<td><input id=\"iedit_email\" value=\"".$line["email"].
+                                       "\"></td>";
+
                                print "<td><input id=\"iedit_ulevel\" value=\"".$line["access_level"].
                                        "\"></td>";
                                                
                print "<h1>Subscribed feeds</h1>";
 
                $result = db_query($link, "SELECT id,title,site_url FROM ttrss_feeds
-                       WHERE owner_uid = '$uid' ORDER BY title LIMIT 20");
+                       WHERE owner_uid = '$uid' ORDER BY title");
 
-               print "<ul class=\"nomarks\">";
+               print "<ul class=\"userFeedList\">";
 
                while ($line = db_fetch_assoc($result)) {