root/branches/multiuser/index.php

<?php
###############################################################################
# Gregarius - A PHP based RSS aggregator.
# Copyright (C) 2003 - 2006 Marco Bonetti
#
###############################################################################
# This program is free software and open source software; you can redistribute
# it and/or modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the License,
# or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA  or visit
# http://www.gnu.org/licenses/gpl.html
#
###############################################################################
# E-mail:      mbonetti at gmail dot com
# Web page:    http://gregarius.net/
#
###############################################################################

require_once("init.php");

// Show unread items on the front page?
// default to the config value, user can override this via a cookie
$show_what = (getConfig('rss.output.frontpage.mixeditems') ?
        SHOW_READ_AND_UNREAD : SHOW_UNREAD_ONLY);
        
if (array_key_exists(SHOW_WHAT,$_POST)) {
        $show_what = $_POST[SHOW_WHAT];
        $period = time()+COOKIE_LIFESPAN;
        setcookie(SHOW_WHAT, $show_what , $period,getPath());  
} elseif (array_key_exists(SHOW_WHAT,$_COOKIE)) {
        $show_what = $_COOKIE[SHOW_WHAT];
}


if (array_key_exists('metaaction', $_POST)
    && $_POST['metaaction'] != ""
    && trim($_POST['metaaction']) == trim('ACT_MARK_READ') 
    && !hidePrivate()) {
    
    $sql = "update " .getTable("item2user") . " i2u set i2u.flgunread=0 where i2u.flgunread=1 and i2u.fkuid=" .rss_user_id();
    
    
     
   if (hidePrivate()) {
                $sql .= " and i2u.flgprivate=0 ";
         }

        if (array_key_exists('markreadids',$_POST)) {
                $sql .= " and i2u.fkiid in (" . rss_real_escape_string($_POST['markreadids']) .")";
        }
         rss_query( $sql );
        rss_invalidate_cache();  
}

if (array_key_exists('update',$_REQUEST)) {
    update("");
}

$cntTotalItems = getConfig('rss.output.frontpage.numitems');

rss_plugin_hook('rss.plugins.frontpage.beforeunread', null);
$cntUnreadItems = unreadItems($show_what);

// Now we have to decide how many read items to display
$cntReadItems = getConfig('rss.output.frontpage.numreaditems');

rss_plugin_hook('rss.plugins.frontpage.beforeread', null);

if(($show_what == SHOW_UNREAD_ONLY) ) { 
        if (($cntUnreadItems == 0) && $cntTotalItems) { // we showed no unread items
                // Should we show some uread items?
                if($cntReadItems == -1) { 
                        readItems($cntTotalItems);
                } else {
                        readItems($cntReadItems);
                }
        }
} else { // We are showing read and unread items 
        if ($cntTotalItems){
                readItems($cntTotalItems - $cntUnreadItems);
        }
}

rss_plugin_hook('rss.plugins.frontpage.afterread', null);
$GLOBALS['rss'] -> header = new Header("",LOCATION_HOME,array('cid'=>null,'fid'=>null));
$GLOBALS['rss'] -> feedList = new FeedList(false);
$GLOBALS['rss'] -> renderWithTemplate('index.php');

/*
function getHiddenChannelIds() {
        static $hiddenIds;
        if ($hiddenIds == NULL) {
                $sql = "select fk_ref_object_id from " .getTable('properties')
                ." where domain='feed' and property = 'Hide from front-page'";
                $rs = rss_query($sql);
                while (list($cid) = rss_fetch_row($rs)) {
                        $hiddenIds[] = $cid;
                }
        }
        return $hiddenIds;
}
*/

function unreadCallback($show_what) {
    showViewForm($show_what);
        markAllReadForm();
}

function unreadItems($show_what) {

    _pf('populate unread items');
        $unreadItems = new ItemList();
        $numItems = getConfig('rss.output.frontpage.numitems');
        /*
        $hiddenIds = getHiddenChannelIds();
        if (count($hiddenIds)) {
                $sqlWhereHidden = " and c.id not in (" . implode(',',$hiddenIds) . ") ";
        } else {
                $sqlWhereHidden = "";
        }
        */
        $sqlWhereHidden = "";
        
        $unreadItems -> populate("i2u.flgunread=1 " . $sqlWhereHidden, "", 0, $numItems,ITEM_SORT_HINT_UNREAD);
        //var_dump($unreadItems);
    _pf('end populate unread items');
        if ($unreadItems ->unreadCount) {
                $unreadItems -> preRender[] = array("unreadCallback",$show_what);
        }
        
        $ret = $unreadItems -> unreadCount;
         
         $unreadItems -> setTitle(sprintf(__('Unread items (<strong id="ucnt">%d</strong>)') , $ret));
         $unreadItems -> setRenderOptions(IL_TITLE_NO_ESCAPE);
         $GLOBALS['rss'] -> appendContentObject($unreadItems);  
     _pf('appended unread items');
         
    return $ret;
}

function readItems($limit) {
    
    _pf('read items');
   /*
   $hiddenIds = getHiddenChannelIds();
        if (count($hiddenIds)) {
                $sqlWhereHidden = " and c.id not in (" . implode(',',$hiddenIds) . ") ";
        } else {
                $sqlWhereHidden = "";
        }
        */

        
    $readItems = new ItemList();
        $readItems -> setRenderOptions(IL_TITLE_NO_ESCAPE);

        if (getConfig('rss.config.feedgrouping')) {
                if ($limit <= 0) {
                        return;
                }
                $sql = "select c2u.fkcid from " . getTable("channels2user") . " c2u " 
                        . "inner join " . getTable("channels") . " c "
            . "inner join " . getTable("folders") ." f on c.parent = f.id ";
          
         // $sql .= $sqlWhereHidden;
    
        $sql .= " where c2u.flgdeleted=0 ";
        
        if (getConfig('rss.config.absoluteordering')) {
                $sql .= " order by f.position asc, c.position asc";
        } else {
                $sql .=" order by f.name asc, c.title asc";
        }
        $res1=rss_query($sql);
        while ($readItems->itemCount < $limit && (list($cid) = rss_fetch_row($res1))) {
                        $sqlWhere  = " i2u.flgunread=0 and i.cid= $cid";
                $sqlWhere .= " and i.pubdate <= now() ";
                
                        $readItems->populate($sqlWhere, "", 0, 2, ITEM_SORT_HINT_READ);
                        //what if we have less than 2 items. 
                }  
                
                
        } else {
                 
                if ($limit <= 0) {
                        return;
                }
                $sqlWhere  = " i2u.flgunread=0  ";
        $sqlWhere .= " and i.pubdate <= now() ";
    //  $sqlWhere .= $sqlWhereHidden;
                $readItems -> populate($sqlWhere, "", 0, $limit, ITEM_SORT_HINT_READ);
                $readItems -> setRenderOptions(IL_NO_COLLAPSE | IL_TITLE_NO_ESCAPE);

        }

                
        $readItems -> setTitle(__('Recent items'));
        
        $GLOBALS['rss'] -> appendContentObject($readItems);     
        _pf('end read items');

}

function markAllReadForm() {
        if (hidePrivate()) {
                return;
        }
        
        if (!defined('MARK_READ_ALL_FORM')) {
                define ('MARK_READ_ALL_FORM',true);
        }       
        
   echo "<form action=\"". getPath() ."\" method=\"post\">\n"
      ."<p><input accesskey=\"m\" type=\"submit\" name=\"action\" value=\"". __('Mark These Items as Read') ." \"/></p>\n"
      ."<p><input type=\"hidden\" name=\"metaaction\" value=\"ACT_MARK_READ\"/>\n"
      ."<input type=\"hidden\" name=\"markreadids\" value=\"".implode(",",$GLOBALS['rss']->getShownUnreadIds())."\" />\n"
      ."</p></form>\n";
}


?>