btraced.php

<?php
/**
* Main project script
*
* @package MajorDoMo
* @author Serge Dzheigalo <jey@tut.by> http://smartliving.ru/
* @version 1.1
*/

Define('BTRACED', 1);

// Get the received data from the iPhone (XML data)
$body = @file_get_contents('php://input');

// Try to load the XML
$xml = simplexml_load_string($body);

// If there was an error report it...
if ($xml == false) 
{
   // Error loading XML..., send it back to the iPhone
   echo '{ "id":902, "error":true, "message":"Cant load XML", "valid":true }';
   exit;
}
else 
{
   // Get username and password
   $username = $xml->username;
   $password = $xml->password;
   
   // Optional: You can check the username and password against your database
   // Uncomment for hardcoded testing
   // if (($username != 'user') && ($password != 'test')) 
   // {
   //    echo '{ "id":1, "error":true, "valid":true }';
   //    exit();
   // }
   
   // Get device identification
   $deviceId = $xml->devId;
   $_REQUEST['deviceid']=$deviceId;
   
   // Prepare list of points
   $goodPointsList = "";
      
   // Start processing each travel
   foreach ($xml->travel as $travel) 
   {
      // Get travel common information
      $travelId      = $travel->id;
      $travelName    = $travel->description;
      $travelLength  = $travel->length;
      $travelTime    = $travel->time;
      $travelTPoints = $travel->tpoints;
      
      // Prepare the succesful points
      $goodPointsList = '';
      
      // Process each point
      foreach ($travel->point as $point) 
      {
         // Get all the information for this point
         $pointId        = $point->id;
         $pointDate      = date("Y-m-d H:i:s", trim($point->date));
         $pointLat       = $point->lat;
         $pointLon       = $point->lon;
         $pointSpeed     = $point->speed;
         $pointCourse    = $point->course;
         $pointHAccu     = $point->haccu;
         $pointBatt      = $point->bat;
         $pointVAccu     = $point->vaccu;
         $pointAltitude  = $point->altitude;
         $pointContinous = $point->continous;
         $pointTDist     = $point->tdist;
         $pointRDist     = $point->rdist;
         $pointTTime     = $point->ttime;

         $p=array();
         $p['TM']        = (int)trim($point->date);
         $p['LATITUDE']  = $point->lat;
         $p['LONGITUDE'] = $point->lon;
         $p['SPEED']     = $point->speed;
         $p['BATTERY']   = $point->bat;
         $p['ALTITUDE']  = $point->altitude;

         $all_points[]=$p;
         
         // Create SQL sentence
         //$sql = "INSERT INTO tblBtracedTripsData (DevID, TripID, TripName, TripLength, TripTime, TripTotalPoints, PointID, PointDate, PointLat, PointLon, PointSpeed, PointCourse, PointHAccu, PointBatt, PointVAccu, PointAltitude, PointContinuos, PointTotalDistance, PointRelativeDistance, PointTotalTime) VALUES ('$deviceId','$travelId','$travelName','$travelLength','$travelTime','$travelTPoints','$pointId','$pointDate','$pointLat','$pointLon','$pointSpeed','$pointCourse','$pointHAccu','$pointBatt','$pointVAccu','$pointAltitude','$pointContinous','$pointTDist','$pointRDist','$pointTTime')";
         //$insertResult = mysql_query($sql, $conexion);
         
         $goodPointsList .= $pointId.",";
      }   
   }
   
   // Check if there was points
   if ($goodPointsList != "") 
   {
      // Remove last comma
      $goodPointsList = substr($goodPointsList, 0, -1);
      
      // Send back the answer for the saved points
      echo '{"id":0, "tripid":'.$travelId.',"points":['.$goodPointsList.'],"valid":true}';
   } 
   else 
   {
      // Just OK, the code should never reach here as we always have points
      echo '{"id":0, "tripid":'.$travelId.',"valid":true}';
      exit;
   }
}

function cmp ($a, $b) 
{ 
   if ($a['TM'] == $b['TM']) return 0; 
   
   return ($a['TM'] > $b['TM']) ? -1 : 1; 
} 

usort ($all_points, "cmp"); 

$cp = $all_points[0];

$_REQUEST['latitude']  = $cp['LATITUDE'];
$_REQUEST['longitude'] = $cp['LONGITUDE'];
$_REQUEST['altitude']  = $cp['ALTITUDE'];
$_REQUEST['speed']     = $cp['SPEED'];
$_REQUEST['battlevel'] = $cp['BATTERY'];

/*
$_POST['latitude']
$_POST['longitude']
$_POST['altitude']
$_POST['speed']
$_POST['provider']
$_POST['battlevel']
$_POST['charging']
*/

include_once('./gps.php');

?>