/**
* handle request and call callback
*/
function handle_request()
{
//get request
if (empty($_REQUEST["cmd"])) {
EgoLib::exit_invalid("missing command attribute");
}
$cmd = strtolower($_REQUEST["cmd"]);
//check if all arguments are syntactically ok
EgoLib::check_arguments();
//extract locationinfo
$locationinfo = EgoLib::extract_locationinfo();
//make sure we have a (dummy) callback
if ($this->callback == null) {
$this->callback = new EgoCallback();
}
switch ($cmd) {
case "addlocation":
$required = array("installationid", "timestamp", "lat", "lng");
EgoLib::check_required($required);
$serverid = $this->callback->add_location($locationinfo);
if (empty($serverid)) {
$serverid = "script_did_not_return_a_serverid";
}
EgoLib::exit_ok($serverid);
case "updatelocation":
$required = array("installationid", "locationid");
EgoLib::check_required($required);
$this->callback->update_location($locationinfo);
if (empty($serverid)) {
$serverid = "";
}
EgoLib::exit_ok($serverid);
case "deletelocation":
$required = array("installationid", "locationid");
EgoLib::check_required($required);
$this->callback->delete_location($locationinfo);
EgoLib::exit_ok("deleted");
case "addmetadata":
$required = array("installationid", "mdatatype", "locationid", "mdatacontent");
EgoLib::check_required($required);
$serverid = $this->callback->add_metadata($locationinfo["locationid"], $_REQUEST["mdatatype"], $_REQUEST["mdatacontent"]);
if (empty($serverid)) {
$serverid = "script_did_not_return_a_serverid";
}
EgoLib::exit_ok($serverid);
case "deletemetadata":
$required = array("installationid", "mdataid", "locationid");
EgoLib::check_required($required);
$this->callback->delete_metadata($locationinfo["locationid"], $_REQUEST["mdataid"]);
EgoLib::exit_ok("deleted");
case "uploadfile":
$required = array("installationid");
EgoLib::check_required($required);
if (!array_key_exists("uploadedfile", $_FILES)) {
EgoLib::exit_invalid("missing uploadedfile");
}
$filename = $_FILES["uploadedfile"]["tmp_name"];
$serverid = $this->callback->upload_file($filename);
if (empty($serverid)) {
$serverid = "script_did_not_return_a_serverid";
}
EgoLib::exit_ok($serverid);
default:
EgoLib::exit_notsupported("unknown command {$cmd}");
}
}
function add_metadata($locationid, $type, $content)
{
switch ($type) {
case EgoLib::$METADATA_IMAGE:
$this->update_single_field($locationid, "s", "imagelink", $content);
return $locationid . "-imagelink";
case EgoLib::$METADATA_ICON:
$this->update_single_field($locationid, "s", "icontype", $content);
return $locationid . "-icon";
case EgoLib::$METADATA_TEXT:
$this->update_single_field($locationid, "s", "textmessage", $content);
return $locationid . "-txt";
default:
EgoLib::exit_notsupported("unknown metadatatype: {$type}");
}
}