Easypost Integration

api.php

<?php
/***
 * Target file for asynchronous hits
 ***/


if(isset($_SERVER['QUERY_STRING'])) parse_str($_SERVER['QUERY_STRING'],$_GET);
require_once('./core/core.php');


$start_script_timer = microtime_float();

if(!function_exists('elapsed'))
  {
    function elapsed($start_time = null)
    {
      /***
       * Return the duration since the start time in
       * milliseconds.
       * If no start time is provided, it'll try to use the global
       * variable $start_script_timer
       *
       * @param float $start_time in unix epoch. See http://us1.php.net/microtime
       ***/

      if(!is_numeric($start_time))
        {
          global $start_script_timer;
          if(is_numeric($start_script_timer)) $start_time = $start_script_timer;
          else return false;
        }
      return 1000*(microtime_float() - (float)$start_time);
    }
  }

function returnAjax($data)
{
  if(!is_array($data)) $data=array($data);
  $data["execution_time"] = elapsed();
  header('Cache-Control: no-cache, must-revalidate');
  header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
  header('Content-type: application/json');
  print json_encode($data,JSON_FORCE_OBJECT);
  exit();
}


/************************
 * Main async hooks
 ************************/

$a = array("status"=>false,"error"=>"Uncaught Switch, or unreturned value","problemDesc"=>"with our server","humanErrorMsg"=>"A script on our server didn't respond. If this continues, please report it.");

switch($_REQUEST['action'])
  {
  case "buy":
    try
      {
        require_once("./charge.php");
      }
    catch(Exception $e)
      {

        $a = array("status"=>false,"error"=>$e->getMessage(),"problemDesc"=>"with our server","humanErrorMsg"=>"There was a problem with a server side script. If this continues, please report it.");
      }
    break;
  case "ship":
    require_once("./shipping.php");
    break;
  case "details":
    # Return details of an item
    $sample_details = array(
      #
    );
    $a = $sample_details;
    break;
  case "search":
    break;
  case "similar":
    break;
  default:
    $a = array("status"=>false,"error"=>"Invalid Action","action"=>$_REQUEST['action'],"problemDesc"=>"with our server","humanErrorMsg"=>"Our server recieved bad data. Please try again.");
  }

returnAjax($a);


?>

easypost-key-config.php

<?php

require_once("./easypost/lib/easypost.php");

$easypost_test_key = "TEST_KEY_HERE";
$easypost_live_key = "LIVE_KEY_HERE";

# $easypost_key = $easypost_live_key;
$easypost_key = $easypost_test_key;

\EasyPost\EasyPost::setApiKey($easypost_key);

$from_address_shipping = array (
  "company" => "COMPANY_NAME",
  "street1" => "COMPANY_ADDR", 
  "zip"     => "COMPANY_ZIP+4",
  "phone"   => "CONTACT_PHONE",
  "residential" => true,
  "email" => "COMPANY_CONTACT_SALES"
);

$allowed_carriers = array(
    "FedEx",
    "GSO"
);

$require_overnight = true;

  
?>

shipping.php

<?php

$easypost_key = "TEST_KEY_HERE";
$require_overnight = false;

require_once("./easypost-key-config.php");

/***
 * Source:
 * https://github.com/EasyPost/easypost-php
 *
 * Docs:
 * https://www.easypost.com/docs/api?lang=php#authentication
 ***/
$error = "";



$from_address = \EasyPost\Address::create_and_verify($from_address_shipping);


$provided_to_address =   array(
  "name"    => $_REQUEST["name"],
  "street1" => urldecode($_REQUEST["street"]),
  "zip"     => $_REQUEST["zip"],
  "phone"   => $_REQUEST["phone"],
  "email"   => $_REQUEST["email"]
);

try
{
$to_address = \EasyPost\Address::create_and_verify($provided_to_address);
}
catch (EasyPost\Error $e)
{
returnAjax(array("status"=>false,"error"=>$e->getMessage(),"humanMsg"=>"Invalid address, please try again."));
}

$parcel_details =   array(
  "length"=>$_REQUEST["parcel_length"],
  "width"=>$_REQUEST["parcel_width"],
  "height"=>$_REQUEST["parcel_height"],
  "weight" => $_REQUEST["parcel_weight"]
);

$parcel = \EasyPost\Parcel::create($parcel_details);


  $shipment = \EasyPost\Shipment::create(
    array(
      "to_address"   => $to_address,
      "from_address" => $from_address,
      "parcel"       => $parcel,
      "options" => array("deliver_confirmation"=>"ADULT_SIGNATURE")
    ));

  $shipmentArray = json_decode($shipment,true);
try
{
  $shipmentBackup = $shipment;
  $shipmentRates = $shipmentArray["rates"];
  $shipment->insure(array("amount"=>$_REQUEST["value"]));
  $shipmentArray = json_decode($shipment,true);
  $shipmentRates = $shipmentArray["rates"];
}
catch(EasyPost\Error $e)
{
  # Do nothing
  $error = "EasyPost error in getting insured rates: ".$e->getMessage();
  $shipment = $shipmentBackup;
  $shipmentArray = json_decode($shipment,true);
  $shipmentRates = $shipmentArray["rates"];
}


$availableRates = array();
foreach($shipmentRates as $carrierOption)
{
  if(in_array($carrierOption["carrier"],$allowed_carriers))
  {
    $option = array(
      "service"=>$carrierOption["carrier"] . " " . $carrierOption["service"],
      "rate"=>$carrierOption["rate"]
    );
    if($require_overnight)
    {
        if(strpos(strtolower($carrierOption["service"]),"overnight") === false) continue;
    }
    $availableRates[] = $option;
  }
}

returnAjax(array(
  "status"=>true,
  "rates"=>$availableRates,
  "all_options"=>$shipmentRates,
  "ship_details"=> array (
    "to_address" => json_decode($to_address),
    "provided_to_address" => $provided_to_address,
    "from_address" => json_decode($from_address),
    "provided_from_address" => $from_address_shipping,
    "parcel" => $parcel_details,
    "shipment_object" => json_decode($shipment)
  ),
    //"test_response" => $test_shipment_response,
  "error"=>$error
));


?>