/**
* Updates tracking info for one sheep, then analyses distances from Shepherd
* - can trigger lost sheep message if distance is > maxRadius.
* @author Tim Tyler
*/
if (isset($_POST)) {
$flockTable = new FlockTable();
$sheepTable = new SheepTable();
$geoDistance = new GeoDataSource();
$sheepMobile = '44' . substr($_POST['mobile'], 1);
// Locate flock and sheep.
$sheep = $sheepTable->getSheepUsingSheepMobile($sheepMobile);
$flock = $flockTable->getFlockUsingFlockID($sheep->getFlockID());
$newX = $_POST['longtitude'];
$newY = $_POST['latitude'];
$sheepTable->updateSheepCoordinates($sheep->getSheepID(), $newX, $newY);
$shepherd = $flock->getShepherd();
$shepherdX = $shepherd->getSheepLongtitude();
$shepherdY = $shepherd->getSheepLatitude();
$flockMaxRadius = $flock->getFlockRadius();
$distanceFromShepherd = $geoDistance->distance($newY, $newX, $shepherdY, $shepherdX, "M");
if ($distanceFromShepherd > $flockMaxRadius) {
// SEND MESSAGE.
// TODO limit to 160 characters
$lostSheepNumber = $sheep->getSheepMobile();
$lostSheepMessage = "Oh little sheep, you have gone astray! Your Shepherd is currently " . (int) $distanceFromShepherd . "m away! You can catch up with them if you open this link " . "www.google.com/maps/place/" . $shepherdY . "," . $shepherdX . ". Or why not give them a ring on +" . $shepherd->getSheepMobile() . " so you can explain what a silly Sheep you are. To suspend tracking, text 'SUSPEND' to 84433 (Texts cost 10p)." . " Confused? Find out more at www.flockbuddy.com";
try {
// Create a Clockwork object using your API key
$clockwork = new Clockwork('787b4673e0ac4b043aab8a4764f0205ab06dc309');
// Setup and send a message
$message = array('to' => $lostSheepNumber, 'message' => $lostSheepMessage);
