From bfac37697930c75e2cba0180ffcd46345f0eb361 Mon Sep 17 00:00:00 2001
From: Marcello Stanisci <marcello.stanisci@inria.fr>
Date: Fri, 7 Aug 2015 19:40:25 +0200
Subject: adapting the frontend to the new architecture

---
 src/frontend/cert.php | 70 +++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 63 insertions(+), 7 deletions(-)

(limited to 'src/frontend/cert.php')

diff --git a/src/frontend/cert.php b/src/frontend/cert.php
index 3b719b24..a330d76e 100644
--- a/src/frontend/cert.php
+++ b/src/frontend/cert.php
@@ -18,15 +18,71 @@
 
 */
 
-//  Here goes all the Taler pay logic
+/*  
+
+  Here goes all the Taler paying logic. The steps are
+
+  1. recover the session
+
+  2. generate the JSON to forward to the backend
+
+  3. route back to the wallet the certificate just gotten
+
+*/
 
 
 // recover the session
-  session_start();
-  if(!isset($_SESSION['contract'])){
-    http_response_code(404);
-    echo "Sorry page..";
-  }
-  else echo $_SESSION['contract'];
+session_start();
+if(!isset($_SESSION['maydonate'])){
+  http_response_code(404);
+  echo "Please try to donate before getting to this page :)";
+}
+
+else{
+  // fake product id
+  $p_id = rand(0,1001);
+  // generate a transaction/certificate id. In production context, it's wishable to
+  // record this value
+  $trans_cert_id = rand(0, 1001);
+  // fake a human readable description of this deal
+  $desc = "donation aimed to stop the ants' massacre on hicking paths";
+  // fake the price's integer (actually, the system is testishly suited for just 10 EUR coins)
+  $value = 10;
+  // fake the price's fractional
+  $fraction = 0;
+  // hardcode the currency
+  $currency = "EUR";
+
+  // pack the JSON
+  $json  = json_encode (array ('desc' => $desc, 'product' => $p_id, 'cid' => $trans_cert_id,
+                               'price' => array ('value' => $value,
+			                         'fraction' => $fraction,
+						 'currency' => $currency)));
+  // test
+  // echo $json;
+  // send to backend
+  /* // _very_ problematic
+  $http_obj = new HttpRequest;
+  $http_obj.setMethod (METH_GET);
+  //$http_obj.setBody ($json);
+  $http_obj.send ();
+  $http_obj.setUrl ("http://" . $SERVER["SERVER_NAME"] . "/backend" . "/hello");
+  $status = $http_obj.getResponseHeader ('status');
+  */
+  $client = new http\Client;
+  $certificate = http_post_data ("http://" . $SERVER["SERVER_NAME"] . "/backend" . "/hello",
+                                 null, $response);
+  $status_code = $response['response_code'];
+
+  set_response_code ($status_code);
+
+  if ($status != 200)
+    echo "Some error occurred during this operation";  
+  // send the contract back to the wallet without touching it
+  else echo $http_obj.getResponseBody ();
+
+
+}
+
 
 ?>
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