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<?php
/**
* This file implements archive lists
*
* b2evolution - {@link http://b2evolution.net/}
* Released under GNU GPL License - {@link http://b2evolution.net/about/license.html}
* @copyright (c)2003-2005 by Francois PLANQUE - {@link http://fplanque.net/}
*
* @package evocore
*/
if( !defined('DB_USER') ) die( 'Please, do not access this page directly.' );
/**
* Includes:
*/
require_once dirname(__FILE__).'/_class_dataobjectlist.php';
/**
* Archive List Class
*
* @package evocore
*/
class ArchiveList extends DataObjectList
{
var $blog;
var $archive_mode;
var $arc_w_last;
/**
* Constructor
*
* Note: Weekly archives use mySQL's week numbering and mySQL default if applicable.
* In mySQL < 4.0, WEEK() uses mode 0: Week starts on Sunday;
* Value range is 0 to 53; week 1 is the first week that starts in this year
*
* {@internal ArchiveList::ArchiveList(-)}}
*
* @param integer
* @param string
* @param array
* @param mixed
* @param mixed
* @param integer
*/
function ArchiveList(
$blog = 1,
$archive_mode = 'monthly',
$show_statuses = array(),
$timestamp_min = '', // Do not show posts before this timestamp
$timestamp_max = 'now', // Do not show posts after this timestamp
$limit = '' )
{
global $DB;
global $tableposts, $tablepostcats, $tablecategories;
global $Settings;
$this->blog = $blog;
$this->archive_mode = $archive_mode;
// CONSTRUCT THE WHERE CLAUSE:
/*
* ----------------------------------------------------
* Restrict to the statuses we want to show:
* ----------------------------------------------------
*/
$where = ' WHERE '.statuses_where_clause( $show_statuses );
$where_link = ' AND ';
// Restrict to timestamp limits:
if( $timestamp_min == 'now' ) $timestamp_min = time();
if( !empty($timestamp_min) )
{ // Hide posts before
$date_min = date('Y-m-d H:i:s', $timestamp_min + ($Settings->get('time_difference') * 3600) );
$where .= $where_link.' post_issue_date >= \''.$date_min.'\'';
$where_link = ' AND ';
}
if( $timestamp_max == 'now' ) $timestamp_max = time();
if( !empty($timestamp_max) )
{ // Hide posts after
$date_max = date('Y-m-d H:i:s', $timestamp_max + ($Settings->get('time_difference') * 3600) );
$where .= $where_link.' post_issue_date <= \''.$date_max.'\'';
$where_link = ' AND ';
}
// Do we need to restrict categories:
if( $blog > 1 )
{ // Blog #1 aggregates all
$where .= $where_link.' cat_blog_ID = '.$blog;
$where_link = ' AND ';
}
if( !empty($limit) )
{
$limit = ' LIMIT 0,'.$limit;
}
switch( $archive_mode )
{
case 'monthly':
// ------------------------------ MONTHLY ARCHIVES ------------------------------------
$this->request = 'SELECT YEAR(post_issue_date) AS year, MONTH(post_issue_date) AS month,
COUNT(DISTINCT postcat_post_ID) AS count
FROM (T_posts INNER JOIN T_postcats ON ID = postcat_post_ID)
INNER JOIN T_categories ON postcat_cat_ID = cat_ID
'.$where.'
GROUP BY year, month
ORDER BY year DESC, month DESC
'.$limit;
break;
case 'daily':
// ------------------------------- DAILY ARCHIVES -------------------------------------
$this->request = 'SELECT YEAR(post_issue_date) AS year, MONTH(post_issue_date) AS month,
DAYOFMONTH(post_issue_date) AS day,
COUNT(DISTINCT postcat_post_ID) AS count
FROM (T_posts INNER JOIN T_postcats ON ID = postcat_post_ID)
INNER JOIN T_categories ON postcat_cat_ID = cat_ID
'.$where.'
GROUP BY year, month, day
ORDER BY year DESC, month DESC, day DESC
'.$limit;
break;
case 'weekly':
// ------------------------------- WEEKLY ARCHIVES -------------------------------------
$this->request = 'SELECT YEAR(post_issue_date) AS year, WEEK(post_issue_date) AS week,
COUNT(DISTINCT postcat_post_ID) AS count
FROM (T_posts INNER JOIN T_postcats ON ID = postcat_post_ID)
INNER JOIN T_categories ON postcat_cat_ID = cat_ID
'.$where.'
GROUP BY year, week
ORDER BY year DESC, week DESC
'.$limit;
break;
case 'postbypost':
default:
// ----------------------------- POSY BY POST ARCHIVES --------------------------------
$this->request = 'SELECT DISTINCT ID, post_issue_date, post_title
FROM (T_posts INNER JOIN T_postcats ON ID = postcat_post_ID)
INNER JOIN T_categories ON postcat_cat_ID = cat_ID
'.$where.'
ORDER BY post_issue_date DESC
'.$limit;
}
// echo $this->request.'<br/>';
$this->result = $DB->get_results( $this->request, ARRAY_A );;
$this->result_num_rows = $DB->num_rows;
// echo 'rows='.$this->result_num_rows.'<br/>';
$this->arc_w_last = '';
}
/**
* Getting next item in archive list
*
* {@internal ArchiveList->get_item(-)}}
*/
function get_item( & $arc_year, & $arc_month, & $arc_dayofmonth, & $arc_w, & $arc_count, & $post_ID, & $post_title )
{
// echo 'getting next item<br />';
if( $this->current_idx >= $this->result_num_rows )
{ // No more entry
return false;
}
$arc_row = $this->result[ $this->current_idx++ ];
switch( $this->archive_mode )
{
case 'monthly':
$arc_year = $arc_row['year'];
$arc_month = $arc_row['month'];
$arc_count = $arc_row['count'];
return true;
case 'daily':
$arc_year = $arc_row['year'];
$arc_month = $arc_row['month'];
$arc_dayofmonth = $arc_row['day'];
$arc_count = $arc_row['count'];
return true;
case 'weekly':
$arc_year = $arc_row['year'];
$arc_w = $arc_row['week'];
$arc_count = $arc_row['count'];
return true;
case 'postbypost':
default:
$post_ID = $arc_row['ID'];
$post_title = $arc_row['post_title'];
return true;
}
}
}
?>
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