function shareCanvas()
{
global $db;
//$rst = array();
$vid = $_REQUEST['vid'];
$shareTo = $_REQUEST['shareTo'];
$sql = "";
if (substr_count($shareTo, "@") == 0) {
$sql = "select user_id from colfusion_users where user_login ='******'";
} else {
$sql = "select user_id from colfusion_users where user_email ='" . $shareTo . "'";
}
$r = $db->get_row($sql);
$user_id;
if (is_null($r)) {
$RST['status'] = 0;
$RST['msg'] = "Can't find the user.";
} else {
$user_id = $r->user_id;
$canvas;
if ($_SESSION['Canvases'][$vid] != null) {
$canvas = unserialize($_SESSION['Canvases'][$_REQUEST['vid']]);
//$rst = $canvas->shareCanvas($user_id,$_REQUEST['authorization']);
} else {
$canvas = Canvas::openCanvas($_REQUEST['vid']);
}
if ($canvas == null) {
$RST['status'] = '0';
$RST['msg'] = 'No permit or no canvas exists.';
} else {
if (is_null($canvas->shareCanvas($user_id, $_REQUEST['authorization']))) {
$RST['status'] = 0;
$RST['msg'] = 'Unable to share this canvas to ' . $shareTo;
} else {
$RST['status'] = 1;
}
}
}
echo json_encode($RST);
error_reporting(E_ALL);
}
