<?php
/**
* banner functions
*
* @package functions
* @copyright Copyright 2003-2010 Zen Cart Development Team
* @copyright Portions Copyright 2003 osCommerce
* @license http://www.zen-cart.com/license/2_0.txt GNU Public License V2.0
* @version $Id: banner.php 15580 2010-02-25 15:53:36Z ajeh $
*/
////
// Set the status of a banner
function zen_set_banner_status($banners_id, $status) {
if ($status == '1') {
$sql = "update " . TABLE_BANNERS . "
set status = 1, date_status_change = now(), date_scheduled = NULL
where banners_id = '" . (int)$banners_id . "'";
return $db->Execute($sql);
} elseif ($status == '0') {
$sql = "update " . TABLE_BANNERS . "
set status = 0, date_status_change = now()
where banners_id = '" . (int)$banners_id . "'";
return $db->Execute($sql);
} else {
return -1;
}
}
////
// Auto activate banners
function zen_activate_banners() {
$banners_query = "select banners_id, date_scheduled
from " . TABLE_BANNERS . "
where date_scheduled != 'NULL'";
$banners = $db->Execute($banners_query);
if ($banners->RecordCount() > 0) {
while (!$banners->EOF) {
if (date('Y-m-d H:i:s') >= $banners->fields['date_scheduled']) { zen_set_banner_status($banners->fields['banners_id'], '1');
}
$banners->MoveNext();
}
}
}
////
// Auto expire banners
function zen_expire_banners() {
$banners_query = "select b.banners_id, b.expires_date, b.expires_impressions,
sum(bh.banners_shown) as banners_shown
from " . TABLE_BANNERS . " b, " . TABLE_BANNERS_HISTORY . " bh
where b.status = 1
and b.banners_id = bh.banners_id
group by b.banners_id, b.expires_date, b.expires_impressions";
$banners = $db->Execute($banners_query);
if ($banners->RecordCount() > 0) {
while (!$banners->EOF) {
if (zen_not_null($banners->fields['expires_date'])) {
if (date('Y-m-d H:i:s') >= $banners->fields['expires_date']) { zen_set_banner_status($banners->fields['banners_id'], '0');
}
} elseif (zen_not_null($banners->fields['expires_impressions'])) {
if ( ($banners->fields['expires_impressions'] > 0) && ($banners->fields['banners_shown'] >= $banners->fields['expires_impressions']) ) {
zen_set_banner_status($banners->fields['banners_id'], '0');
}
}
$banners->MoveNext();
}
}
}
////
// Display a banner from the specified group or banner id ($identifier)
function zen_display_banner($action, $identifier) {
switch ($request_type) {
case ('SSL'):
$my_banner_filter=" and banners_on_ssl= " . "1 ";
break;
case ('NONSSL'):
$my_banner_filter='';
break;
}
if ($action == 'dynamic') {
$new_banner_search = zen_build_banners_group($identifier);
$banners_query = "select count(*) as count
from " . TABLE_BANNERS . "
where status = '1' " .
$new_banner_search . $my_banner_filter;
$banners = $db->Execute($banners_query);
if ($banners->fields['count'] > 0) {
$banner = $db->Execute("select banners_id, banners_title, banners_image, banners_html_text, banners_open_new_windows, banners_url
from " . TABLE_BANNERS . "
where status = 1 " .
$new_banner_search . $my_banner_filter . " order by rand()");
} else {
return '<p class="alert">ZEN ERROR! (zen_display_banner(' . $action . ', ' . $identifier . ') -> No banners with group \'' . $identifier . '\' found!</p>';
}
} elseif ($action == 'static') {
$banner = $identifier;
} else {
$banner_query = "select banners_id, banners_title, banners_image, banners_html_text, banners_open_new_windows, banners_url
from " . TABLE_BANNERS . "
where status = 1
and banners_id = '" . (int)$identifier . "'" . $my_banner_filter;
$banner = $db->Execute($banner_query);
if ($banner->RecordCount() < 1) {
//return '<strong>ZEN ERROR! (zen_display_banner(' . $action . ', ' . $identifier . ') -> Banner with ID \'' . $identifier . '\' not found, or status inactive</strong>';
}
}
} else {
return '<p class="alert">ZEN ERROR! (zen_display_banner(' . $action . ', ' . $identifier . ') -> Unknown $action parameter value - it must be either \'dynamic\
' or \'static\
'</p>'; }
if (zen_not_null($banner->fields['banners_html_text'])) {
$banner_string = $banner->fields['banners_html_text'];
} else {
if ($banner->fields['banners_url'] == '') {
$banner_string = zen_image(DIR_WS_IMAGES . $banner->fields['banners_image'], $banner->fields['banners_title']);
} else {
if ($banner->fields['banners_open_new_windows'] == '1') {
$banner_string = '<a href="' . zen_href_link(FILENAME_REDIRECT, 'action=banner&goto=' . $banner->fields['banners_id']) . '" target="_blank">' . zen_image(DIR_WS_IMAGES . $banner->fields['banners_image'], $banner->fields['banners_title']) . '</a>';
} else {
$banner_string = '<a href="' . zen_href_link(FILENAME_REDIRECT, 'action=banner&goto=' . $banner->fields['banners_id']) . '">' . zen_image(DIR_WS_IMAGES . $banner->fields['banners_image'], $banner->fields['banners_title']) . '</a>';
}
}
}
zen_update_banner_display_count($banner->fields['banners_id']);
return $banner_string;
}
////
// Check to see if a banner exists
function zen_banner_exists($action, $identifier) {
switch ($request_type) {
case ('SSL'):
$my_banner_filter=" and banners_on_ssl= " . "1 ";
break;
case ('NONSSL'):
$my_banner_filter='';
break;
}
if ($action == 'dynamic') {
$new_banner_search = zen_build_banners_group($identifier);
return $db->Execute("select banners_id, banners_title, banners_image, banners_html_text, banners_open_new_windows, banners_url
from " . TABLE_BANNERS . "
where status = 1 " .
$new_banner_search . $my_banner_filter . " order by rand()");
} elseif ($action == 'static') {
$banner_query = "select banners_id, banners_title, banners_image, banners_html_text, banners_open_new_windows, banners_url
from " . TABLE_BANNERS . "
where status = 1
and banners_id = '" . (int)$identifier . "'" . $my_banner_filter;
return $banner = $db->Execute($banner_query);
} else {
return false;
}
}
////
// Update the banner display statistics
function zen_update_banner_display_count($banner_id) {
$banner_check = $db->Execute(sprintf(SQL_BANNER_CHECK_QUERY
, (int
)$banner_id));
if ($banner_check->fields['count'] > 0) {
$db->Execute(sprintf(SQL_BANNER_CHECK_UPDATE
, (int
)$banner_id));
} else {
$sql = "insert into " . TABLE_BANNERS_HISTORY . "
(banners_id, banners_shown, banners_history_date)
values ('" . (int)$banner_id . "', 1, now())";
$db->Execute($sql);
}
}
////
// Update the banner click statistics
function zen_update_banner_click_count($banner_id) {
$db->Execute(sprintf(SQL_BANNER_UPDATE_CLICK_COUNT
, (int
)$banner_id)); }
////
// build banner groups
function zen_build_banners_group($selected_banners) {
$selected_banners = explode(':', $selected_banners); $size = sizeof($selected_banners); if ($size == 1) {
$new_banner_search = " banners_group = '" . $selected_banners[0] . "'";
} else {
for ($i=0, $n=$size; $i<$n; $i+=1) {
$new_banner_search .= " banners_group = '" . $selected_banners[$i] . "'";
if ($i+1 < $n) {
$new_banner_search .= ' or ';
}
}
}
if ($new_banner_search != '') {
$new_banner_search = ' and (' . $new_banner_search . ')';
}
return $new_banner_search;
}
?>
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