function kopa_change_like_status()
{
check_ajax_referer('kopa_change_like_status', 'wpnonce');
if (!empty($_POST['pid'])) {
$pid = (int) $_POST['pid'];
$status = $_POST['status'];
$public_key = 'kopa_' . kopa_get_domain() . '_total_like';
$single_key = 'kopa_' . kopa_get_domain() . '_like_by_' . kopa_get_client_IP();
$total = kopa_get_post_meta($pid, $public_key, true, 'Int');
$is_voted = kopa_get_post_meta($pid, $single_key, true, 'Int');
$result = array();
if ('enable' == $status && 0 == $is_voted) {
$total++;
update_post_meta($pid, $single_key, 1);
update_post_meta($pid, $public_key, abs($total));
$result['status'] = 'disable';
} else {
$total--;
delete_post_meta($pid, $single_key);
update_post_meta($pid, $public_key, abs($total));
$result['status'] = 'enable';
}
$result['total'] = sprintf(__('%1$s Likes', kopa_get_domain()), $total);
echo json_encode($result);
}
die;
}
function kopa_get_like_permission($pid)
{
$permission = 'disable';
$key = 'kopa_' . kopa_get_domain() . '_like_by_' . kopa_get_client_IP();
$is_voted = kopa_get_post_meta($pid, $key, true, 'Int');
if (!$is_voted) {
$permission = 'enable';
}
return $permission;
}