1 files changed, 78 insertions, 0 deletions
diff --git a/src/frontend_blog/essay_contract.php b/src/frontend_blog/essay_contract.php
new file mode 100644
index 00000000..4aeb8c99
--- /dev/null
+++ b/src/frontend_blog/essay_contract.php
@@ -0,0 +1,78 @@
+<?php
+/*
+  This file is part of GNU TALER.
+  Copyright (C) 2014, 2015 GNUnet e.V.
+
+  TALER is free software; you can redistribute it and/or modify it under the
+  terms of the GNU Lesser General Public License as published by the Free Software
+  Foundation; either version 2.1, or (at your option) any later version.
+
+  TALER is distributed in the hope that it will be useful, but WITHOUT ANY
+  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+  A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public License along with
+  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
+*/
+
+/**
+ * This file should:
+ *
+ * 1. check if some article is going to be bought
+ * 2. check if the wallet is installed TODO
+ * 3. get the contract (having the teaser as product detail) to the wallet
+ *
+ */
+include("../frontend_lib/merchants.php");
+include("./blog_lib.php");
+session_start();
+if (!isset($_SESSION['article'])){
+  echo "Please land here just to buy articles";
+  die();
+  }
+$article = $_SESSION['article'];
+// 2 to-do
+
+// send contract
+$transaction_id = rand(0, 1001);
+$p_id = hexdec(substr(sha1($article), -5));
+$teatax = array ('value' => 1,
+                 'fraction' => 0,
+		 'currency' => "KUDOS");
+$now = new DateTime('now');
+$teaser = get_teaser($article);
+$pay_url = "essay_pay.php";
+$exec_url = "execute.php";
+$contract_json = generate_contract(1,
+                                   0,
+				   "KUDOS",
+				   $transaction_id,
+				   trim($teaser->nodeValue),
+				   $p_id,
+				   $teatax,
+				   $now,
+				   $pay_url,
+				   $exec_url);
+$resp = give_to_backend($_SERVER["HTTP_HOST"],
+                        "backend/contract",
+	                $contract_json);
+
+// Our response code is the same we got from the backend:
+$status_code = $resp->getResponseCode();
+http_response_code ($status_code);
+
+// Now generate our body  
+if ($status_code != 200)
+{
+  echo "Error while generating the contract";
+  echo $resp->body->toString ();
+}
+else
+{ $got_json = json_decode ($resp->body->toString ());
+  $_SESSION['H_contract'] = $got_json->H_contract;
+  $_SESSION['article_value'] = 1;
+  $_SESSION['article_fraction'] = 0;
+  $_SESSION['article_currency'] = "KUDOS";
+  echo $resp->body->toString ();
+}
+?>