/**
* Handle incoming upload requests, i.e. save meta data in
* database and store payload on disk.
*/
public static function handleUploadRequest($latitude, $longitude, $title, $timestamp, $description, $payloadType, $payload)
{
// Validate geo coordinates
if (!MediaServer::validGeoCoordinates($latitude, $longitude)) {
return array('Statuscode' => 'Error', 'Message' => 'Invalid or no geo coordinates provided.');
}
// Validate payload type
if (!MediaServer::validatePayloadType($payloadType)) {
return array('Statuscode' => 'Error', 'Message' => 'Invalid or no payload type provided.');
}
// Generate random file name
$sampleID = MediaServer::generateSampleID($latitude, $longitude, $title, $timestamp, $description);
// Write file to disk
if (!MediaServer::storePayload($sampleID, $payload)) {
return array('Statuscode' => 'Error', 'Message' => 'Could not store payload on disk.');
}
// Save meta data in database
$database = new Database();
if (!$database->saveMetadata($latitude, $longitude, $title, $timestamp, $description, $sampleID, $payloadType)) {
MediaServer::deleteFile($sampleID);
// Remove payload from disk
return array('Statuscode' => 'Error', 'Message' => 'Could not write meta data to database.');
}
// Log file upload
Logger::log('File uploaded (Title: \'' . $title . '\', Sample ID: \'' . $sampleID . '\'): ' . 'http://maps.google.com/maps?q=' . $latitude . '+' . $longitude, Logger::SAMPLE_UPLOAD);
// Send response
return array('Statuscode' => 'OK', 'Message' => 'Media file uploaded successfully.', 'SampleID' => $sampleID);
}
