merchant-frontend-examples

commit f8c0df8630e2c54f302d988280a666bb703a138f
parent 671572312437e8da7ff2099a7f565c177f80767e
Author: Marcello Stanisci <marcello.stanisci@inria.fr>
Date:   Wed, 16 Nov 2016 21:54:13 +0100

track-transfer

Diffstat:
M
php/helpers.php
 | 
16
+++++++++++-----
M
php/track-input.php
 | 
1
+
A
php/track-transfer.php
 | 
46
++++++++++++++++++++++++++++++++++++++++++++++

3 files changed, 58 insertions(+), 5 deletions(-)
diff --git a/php/helpers.php b/php/helpers.php
@@ -25,11 +25,17 @@
 
 
   function get_pretty_date($taler_date){
-  $match = array();
-  $timestamp = preg_match('/\/Date\(([0-9]+)\)\//', $taler_date, $match);
-  $date = new DateTime();
-  $date->setTimestamp(intval($match[1]));
-  return $date->format('d/M/Y H:i:s');
+    $match = array();
+    $timestamp = preg_match('/\/Date\(([0-9]+)\)\//', $taler_date, $match);
+    $date = new DateTime();
+    $date->setTimestamp(intval($match[1]));
+    return $date->format('d/M/Y H:i:s');
+  }
   
+  function get_amount($taler_amount){
+    $PRECISION = 100000000;
+    $fraction = $taler_amount->fraction / $PRECISION; 
+    $number = $taler_amount->value + $fraction;
+    return sprintf("%s %s", $number, $taler_amount->currency);
   }
 ?>
diff --git a/php/track-input.php b/php/track-input.php
@@ -13,6 +13,7 @@
             </form>
             <form action='/track-transfer.php' method='GET'>
               <input type='text' name='wtid'><>
+              <input type='text' name='exchange'><>
               <input type='submit' value='Track transfer'></input>
             </form>
           </body>
diff --git a/php/track-transfer.php b/php/track-transfer.php
@@ -0,0 +1,46 @@
+<?php
+
+  include 'copying.php';
+  include 'error.php';
+  include 'backend.php';
+
+
+  if (!isset($_GET['wtid']) or !isset($_GET['exchange']))){
+    build_error(array("body" => "Missing parameter"),
+                "'wtid' or 'exchange' has not been submitted",
+                400);  
+    return;
+  }
+  
+  $wtid = $_GET['wtid'];
+  $response = get_to_backend("/track/transfer",
+                             array("wtid" => $wtid,
+                                   "exchange" => $_GET['exchange']));
+  if (!in_array(array(200, 402)) $response["status_code"]){
+    echo build_error($response,
+                     "Backend error",
+                     $response["status_code"]);
+    return;
+  }
+
+  // Render HTML
+  http_response_code($response["status_code"]);
+  if (402 == $response["status_code"]){
+    echo "<p>The backend detected that exchange provided
+         conflicting information about WTID $wtid.
+         Refer to exchange's operator.</p>";
+    return;
+  }
+  $json_response = json_decode($response["body"]);
+
+  $pretty_date = get_pretty_date($json_response->execution_time);
+  $amount = get_amount($json_response->total);
+  echo "<p>$wtid: $amount transferred on $pretty_date.
+       The list of Taler transactions involved in $wtid is shown below:</p>";
+
+  echo "<ul>";
+  foreach ($json_response->deposits as $entry){
+    echo sprintf("<li>Transaction id: %s", $entry->transaction_id);
+  }     
+  echo "</ul>";
+?>