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<?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 ();
}
?>
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