/**
* duplicate all locations for a given anchor
*
* This function duplicates records in the database, and changes anchors
* to attach new records as per second parameter.
*
* @param string the source anchor
* @param string the target anchor
* @return int the number of duplicated records
*
* @see shared/anchors.php
*/
public static function duplicate_for_anchor($anchor_from, $anchor_to)
{
global $context;
// look for records attached to this anchor
$count = 0;
$query = "SELECT * FROM " . SQL::table_name('locations') . " WHERE anchor LIKE '" . SQL::escape($anchor_from) . "'";
if (($result = SQL::query($query)) && SQL::count($result)) {
// the list of transcoded strings
$transcoded = array();
// process all matching records one at a time
while ($item = SQL::fetch($result)) {
// a new id will be allocated
$old_id = $item['id'];
unset($item['id']);
// target anchor
$item['anchor'] = $anchor_to;
// actual duplication
if ($item['id'] = Locations::post($item)) {
// more pairs of strings to transcode
$transcoded[] = array('/\\[location=' . preg_quote($old_id, '/') . '/i', '[location=' . $item['id']);
// duplicate elements related to this item
Anchors::duplicate_related_to('location:' . $old_id, 'location:' . $item['id']);
// stats
$count++;
}
}
// transcode in anchor
if ($anchor = Anchors::get($anchor_to)) {
$anchor->transcode($transcoded);
}
}
// number of duplicated records
return $count;
}
Safe::header('Status: 404 Not Found', TRUE, 404);
Logger::error(i18n::s('No anchor has been found.'));
// maybe posts are not allowed here
} elseif (!isset($item['id']) && is_object($anchor) && $anchor->has_option('locked') && !Surfer::is_empowered()) {
Safe::header('Status: 401 Unauthorized', TRUE, 401);
Logger::error(i18n::s('This page has been locked.'));
// an error occured
} elseif (count($context['error'])) {
$item = $_REQUEST;
$with_form = TRUE;
// process uploaded data
} elseif (isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] == 'POST') {
// the follow-up page
$next = $context['url_to_home'] . $context['url_to_root'] . $anchor->get_url();
// display the form on error
if (!($_REQUEST['id'] = Locations::post($_REQUEST))) {
$item = $_REQUEST;
$with_form = TRUE;
// reward the poster for new posts
} elseif (!isset($item['id'])) {
// increment the post counter of the surfer
Users::increment_posts(Surfer::get_id());
// change page title
$context['page_title'] = i18n::s('Thank you for your contribution');
// show location attributes
$attributes = array();
if ($_REQUEST['geo_place_name']) {
$attributes[] = $_REQUEST['geo_place_name'];
}
if ($_REQUEST['geo_position']) {
$attributes[] = $_REQUEST['geo_position'];
