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<?php
/*
$Id$
osCommerce, Open Source E-Commerce Solutions
http://www.oscommerce.com
Copyright (c) 2012 osCommerce
Released under the GNU General Public License
*/
////
// Sets the status of a banner
function tep_set_banner_status($banners_id, $status) {
if ($status == '1') {
return tep_db_query("update " . TABLE_BANNERS . " set status = '1', date_status_change = now(), date_scheduled = NULL where banners_id = '" . (int)$banners_id . "'");
} elseif ($status == '0') {
return tep_db_query("update " . TABLE_BANNERS . " set status = '0', date_status_change = now() where banners_id = '" . (int)$banners_id . "'");
} else {
return -1;
}
}
////
// Auto activate banners
function tep_activate_banners() {
$banners_query = tep_db_query("select banners_id, date_scheduled from " . TABLE_BANNERS . " where date_scheduled != ''");
if (tep_db_num_rows($banners_query)) {
while ($banners = tep_db_fetch_array($banners_query)) {
if (date('Y-m-d H:i:s') >= $banners['date_scheduled']) {
tep_set_banner_status($banners['banners_id'], '1');
}
}
}
}
////
// Auto expire banners
function tep_expire_banners() {
$banners_query = tep_db_query("select b.banners_id, b.expires_date, b.expires_impressions, sum(bh.banners_shown) as banners_shown from " . TABLE_BANNERS . " b, " . TABLE_BANNERS_HISTORY . " bh where b.status = '1' and b.banners_id = bh.banners_id group by b.banners_id");
if (tep_db_num_rows($banners_query)) {
while ($banners = tep_db_fetch_array($banners_query)) {
if (tep_not_null($banners['expires_date'])) {
if (date('Y-m-d H:i:s') >= $banners['expires_date']) {
tep_set_banner_status($banners['banners_id'], '0');
}
} elseif (tep_not_null($banners['expires_impressions'])) {
if ( ($banners['expires_impressions'] > 0) && ($banners['banners_shown'] >= $banners['expires_impressions']) ) {
tep_set_banner_status($banners['banners_id'], '0');
}
}
}
}
}
////
// Display a banner from the specified group or banner id ($identifier)
function tep_display_banner($action, $identifier) {
if ($action == 'dynamic') {
$banners_query = tep_db_query("select count(*) as count from " . TABLE_BANNERS . " where status = '1' and banners_group = '" . tep_db_input($identifier) . "'");
$banners = tep_db_fetch_array($banners_query);
if ($banners['count'] > 0) {
$banner = tep_random_select("select banners_id, banners_title, banners_image, banners_html_text from " . TABLE_BANNERS . " where status = '1' and banners_group = '" . tep_db_input($identifier) . "'");
} else {
return '<strong>TEP ERROR! (tep_display_banner(' . $action . ', ' . $identifier . ') -> No banners with group \'' . $identifier . '\' found!</strong>';
}
} elseif ($action == 'static') {
if (is_array($identifier)) {
$banner = $identifier;
} else {
$banner_query = tep_db_query("select banners_id, banners_title, banners_image, banners_html_text from " . TABLE_BANNERS . " where status = '1' and banners_id = '" . (int)$identifier . "'");
if (tep_db_num_rows($banner_query)) {
$banner = tep_db_fetch_array($banner_query);
} else {
return '<strong>TEP ERROR! (tep_display_banner(' . $action . ', ' . $identifier . ') -> Banner with ID \'' . $identifier . '\' not found, or status inactive</strong>';
}
}
} else {
return '<strong>TEP ERROR! (tep_display_banner(' . $action . ', ' . $identifier . ') -> Unknown $action parameter value - it must be either \'dynamic\' or \'static\'</strong>';
}
if (tep_not_null($banner['banners_html_text'])) {
$banner_string = $banner['banners_html_text'];
} else {
$banner_string = '<a href="' . tep_href_link(FILENAME_REDIRECT, 'action=banner&goto=' . $banner['banners_id']) . '" target="_blank">' . tep_image(DIR_WS_IMAGES . $banner['banners_image'], $banner['banners_title']) . '</a>';
}
tep_update_banner_display_count($banner['banners_id']);
return $banner_string;
}
////
// Check to see if a banner exists
function tep_banner_exists($action, $identifier) {
if ($action == 'dynamic') {
return tep_random_select("select banners_id, banners_title, banners_image, banners_html_text from " . TABLE_BANNERS . " where status = '1' and banners_group = '" . tep_db_input($identifier) . "'");
} elseif ($action == 'static') {
$banner_query = tep_db_query("select banners_id, banners_title, banners_image, banners_html_text from " . TABLE_BANNERS . " where status = '1' and banners_id = '" . (int)$identifier . "'");
return tep_db_fetch_array($banner_query);
} else {
return false;
}
}
////
// Update the banner display statistics
function tep_update_banner_display_count($banner_id) {
$banner_check_query = tep_db_query("select count(*) as count from " . TABLE_BANNERS_HISTORY . " where banners_id = '" . (int)$banner_id . "' and date_format(banners_history_date, '%Y%m%d') = date_format(now(), '%Y%m%d')");
$banner_check = tep_db_fetch_array($banner_check_query);
if ($banner_check['count'] > 0) {
tep_db_query("update " . TABLE_BANNERS_HISTORY . " set banners_shown = banners_shown + 1 where banners_id = '" . (int)$banner_id . "' and date_format(banners_history_date, '%Y%m%d') = date_format(now(), '%Y%m%d')");
} else {
tep_db_query("insert into " . TABLE_BANNERS_HISTORY . " (banners_id, banners_shown, banners_history_date) values ('" . (int)$banner_id . "', 1, now())");
}
}
////
// Update the banner click statistics
function tep_update_banner_click_count($banner_id) {
tep_db_query("update " . TABLE_BANNERS_HISTORY . " set banners_clicked = banners_clicked + 1 where banners_id = '" . (int)$banner_id . "' and date_format(banners_history_date, '%Y%m%d') = date_format(now(), '%Y%m%d')");
}
// Nivo Slider
////
// build banner groups
function tep_build_banners_group($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;
}
// Nivo Slider
?>