fttc-check.php

<?php
// Change me
const ADDRESS_ID  = 'Gold|StringOfAlphas|MY|HouseNumber'; // Pull from the BT checker with a network inspector :)
const TO_EMAIL = 'me@example.com';
const FROM_EMAIL = 'server@example.com';


// Don't change me
const SERVICE_URL = 'http://www.productsandservices.bt.com/consumerProducts/v1/productAvailability.do';

$query = http_build_query(array(
  'addressId' => ADDRESS_ID,
  'format'    => 'json'
));

$r = file_get_contents(SERVICE_URL.'?'.$query);
$s = json_decode($r);

if (!$s){
  sendMail("FTTC Check Script Failed", "Failed to parse JSON");
  exit(1);
}

$message = 
  "Exchange name: {$s->exchangeName}\r\n".
  "Service types available: \r\n";

$infinityAvailable = false;
foreach ($s->serviceLineTypes as $i => $lineType){
  if ($lineType->infinity && property_exists($lineType, 'readyDate') &! empty($lineType->readyDate)){
    // Check that the date is not futuristic!
    if (strtotime($lineType->readyDate) <= time()) {
      $infinityAvailable = true;
    }
  } elseif ($lineType->infinity) {
    $infinityAvailable = true;
  }
  $message .= "  #{$i} {$lineType->serviceLineType}";
  if (property_exists($lineType, 'readyDate') &! empty($lineType->readyDate)) {
    $message .= " (from {$lineType->readyDate})\r\n";
  } else {
    $message .= "\r\n";
  }
}

if ($infinityAvailable){
  sendMail("FTTC Available!", $message);
} else {
  sendMail("FTTC Not Available", $message);
}

exit(0);

/////////
// Lib //
/////////

function sendMail($subject, $body){
  $headers = 'From: ' .FROM_EMAIL. "\r\n";
  mail(TO_EMAIL, $subject, $body, $headers);
}