root/trunk/gregarius/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('chkPrivate', $_POST)) {
    $show_private = empty($_POST['chkPrivate']) ? 0 : $_POST['chkPrivate'];
    setcookie('chkPrivate', $show_private, time()+COOKIE_LIFESPAN, getPath());
} else {
    $show_private = empty($_COOKIE['chkPrivate']) ? 0 : $_COOKIE['chkPrivate'];
}

rss_user_set_show_private($show_private);

if (array_key_exists('metaaction', $_POST)
    && $_POST['metaaction'] != ""
    && trim($_POST['metaaction']) == trim('ACT_MARK_READ') 
    && isLoggedIn()) {
    
    $sql = "update " .getTable("item") . " set unread=unread & "
     .SET_MODE_READ_STATE ." where unread  & " . RSS_MODE_UNREAD_STATE;
     
   if (hidePrivate()) {
          $sql .= " and not(unread & " . RSS_MODE_PRIVATE_STATE . ")";
     }

    if (array_key_exists('markreadids',$_POST)) {
        $sql .= " and id in (" . rss_real_escape_string($_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,$show_private);

// 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($args) {
    showViewForm($args);
        markAllReadForm();
}

function unreadItems($show_what, $show_private) {

    _pf('populate unread items');
    $unreadItems = new PaginatedItemList();
    
    $numItems = getConfig('rss.output.frontpage.numitems');
    
    /*
    $hiddenIds = getHiddenChannelIds();
    if (count($hiddenIds)) {
        $sqlWhereHidden = " and c.id not in (" . implode(',',$hiddenIds) . ") ";
    } else {
        $sqlWhereHidden = "";
    }
    */
    $sqlWhereHidden = "";
    
    $unreadItems -> populate("i.unread & " . RSS_MODE_UNREAD_STATE . $sqlWhereHidden, "", 0, $numItems,ITEM_SORT_HINT_UNREAD);
    
    _pf('end populate unread items');
    if ($unreadItems ->unreadCount) {
        $unreadItems -> preRender[] = array("unreadCallback",array($show_what,$show_private));
    }
    
    $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 PaginatedItemList();
    $readItems -> setRenderOptions(IL_TITLE_NO_ESCAPE);

    if (getConfig('rss.config.feedgrouping')) {
         if ($limit <= 0) {
            return;
        }
      $sql = "select "
          ." c.id"
          ." from " . getTable("channels") . " c " 
          ." inner join " . getTable("folders") ." f on f.id = c.parent ";
          
         // $sql .= $sqlWhereHidden;
    
        $sql .= " where not(c.mode & " . RSS_MODE_DELETED_STATE  .") ";
        
        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  = " not(i.unread & ". RSS_MODE_UNREAD_STATE  .") 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  = " not(i.unread & ". RSS_MODE_UNREAD_STATE  .")  ";
        $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 (!isLoggedIn()) {
        return;
    }
    
    if (!defined('MARK_READ_ALL_FORM')) {
        define ('MARK_READ_ALL_FORM',true);
    }    
    
   echo "<form class=\"markReadForm\" 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";
}

?>