function do_process()
{
global $ym_sys;
$mode = $this->status == 'test' ? TRUE : FALSE;
$gc = new GoCardless($this->merchant_id, $this->application_id, $this->application_secret, $this->access_token, $mode, $this->magical_word);
if (!$gc->valid) {
echo 'An Error Occured. Please contact Site Admin: Invalid Keys';
exit;
}
$action = ym_request('action');
if ($action == 'go') {
// redirecting to gocardless
$pack = $_POST;
if (isset($pack['num_cycles']) && $pack['num_cycles'] != 1) {
// subscription
// convert pack values to something gocardless can understand
switch ($pack['duration_type']) {
case 'y':
// convert to month
$interval_unit = 'month';
$interval_length = $pack['duration'] * 12;
$expire_length = $interval_length * $pack['num_cycles'];
$expire = mktime(23, 59, 59, date('n', time()) + $expire_length, date('j', time()), date('Y', time()));
break;
case 'm':
$interval_unit = 'month';
$interval_length = $pack['duration'];
$expire_length = $interval_length * $pack['num_cycles'];
$expire = mktime(23, 59, 59, date('n', time()) + $expire_length, date('j', time()), date('Y', time()));
break;
case 'd':
$interval_unit = 'day';
$interval_length = $pack['duration'];
$expire_length = $interval_length * $pack['num_cycles'];
$expire = mktime(23, 59, 59, date('n', time()), date('j', time()) + $expire_length, date('Y', time()));
}
$subscription = array('amount' => number_format($pack['cost'], 2), 'interval_length' => $interval_length, 'interval_unit' => $interval_unit, 'merchant_id' => $this->merchant_id, 'name' => get_bloginfo() . ' ' . __('Subscription', 'ym'), 'description' => isset($pack['item_name']) && $pack['item_name'] ? $pack['item_name'] : $ym_sys->item_name);
if ($subscription['name'] == $subscription['description']) {
unset($subscription['description']);
}
if ($pack['num_cycles'] > 1) {
$subscription['expire'] = date('c', $expire);
}
} else {
// single purchase
// bill
$bill = array('amount' => number_format($pack['cost'], 2), 'merchant_id' => $this->merchant_id, 'name' => get_bloginfo() . ' ' . __('Purchase', 'ym'), 'description' => isset($pack['item_name']) && $pack['item_name'] ? $pack['item_name'] : $ym_sys->item_name);
}
$data = array();
// common fields
$data['redirect_uri'] = site_url('?ym_process=' . $this->code . '&action=confirm');
$data['cancel_uri'] = site_url($this->cancel_url);
// state AKA custom
if (isset($pack['ppp_pack_id'])) {
$data['state'] = 'buy_bundle_' . $pack['ppp_pack_id'] . '_' . $pack['user_id'];
} else {
if (isset($pack['post_id'])) {
$data['state'] = 'buy_post_' . ($pack['post_id'] ? $pack['post_id'] : get_the_ID()) . '_' . $pack['user_id'];
} else {
$data['state'] = 'buy_subscription_' . $pack['id'] . '_' . $pack['user_id'];
}
}
// user fields
$user = array();
if ($first = get_user_meta($pack['user_id'], 'first_name', true)) {
$user['first_name'] = $first;
}
if ($last = get_user_meta($pack['user_id'], 'last_name', true)) {
$user['last_name'] = $last;
}
$user['email'] = get_user_by('id', $pack['user_id']);
$user['email'] = $user['email']->user_email;
// generate and go to URL
if (isset($bill)) {
$gc->NewPayment($bill, $data, $user);
} else {
echo 'sub';
$gc->NewSubscription($subscription, $data, $user);
}
exit;
}
if ($action == 'confirm') {
// perform confirm and redirect
$state = ym_get('state');
if (!$state) {
header('HTTP/1.1 400 Bad Request');
echo 'Missing State';
exit;
}
$r = $gc->catchReturn();
if ($r) {
// update the user and set then to pending or grace
// cost is 0 as no money yet
// deny receipt email
$this->nomore_email = TRUE;
// process
$this->common_process($state, '0', FALSE, FALSE);
// technically true and Don't exit
list($buy, $what, $id, $user_id) = explode('_', $state);
// we need to store the bill/subscription ID in order to track the user
// state is not returned with webhooks
$key = ym_get('resource_id');
$data = array('state' => $state, 'user_id' => $user_id, 'amount' => ym_get('amount'));
update_option('ym_gocardless_states_' . $key, $data);
if ($what == 'post') {
$pack = array('ppp' => 1, 'post_id' => $id);
} else {
if ($what == 'bundle') {
$pack = array('ppp' => 1, 'ppp_pack_id' => $id);
} else {
// subscriptiom
update_user_meta('ym_gocardless_active_subscription', $key, $user_id);
$pack = $id;
}
}
$this->redirectlogic($pack, TRUE);
} else {
echo 'An Error Occured, you should contact the Site Admin';
exit;
}
}
// assume webhook
$data = $gc->catchWebHook();
if (!$data) {
header('HTTP/1.1 403 Unauthorised');
echo 'Signature Invalid';
exit;
} else {
// post or sub?
// status
// created failed paid cancelled expired withdrawn
// abort cases
// widthdrawn jsut means money has moved from the GC account to the merchant account.
$aborts = array('created', 'withdrawn');
if (in_array($data['action'], $aborts)) {
// ignore created packets
header('HTTP/1.1 200 OK');
echo 'ok';
exit;
}
$success_states = array('paid');
$failed_states = array('failed', 'cancelled', 'expired');
foreach ($data['resources'] as $packet) {
$id = $packet->id;
$status = $packet->status;
$uri = $packet->uri;
$source_type = isset($packet->source_type) ? $packet->source_type : '';
if ($source_type == 'subscription') {
$id = $packet->source_id;
}
$state_data = get_option('ym_gocardless_states_' . $id, FALSE);
if ($state_data) {
// packet found
$state = $state_data['state'];
$user_id = $state_data['user_id'];
$amount = $state_data['amount'];
// store for trans log
$_POST = $state_data;
$complete = FALSE;
if (in_array($status, $success_states)) {
$complete = TRUE;
}
$this->common_process($state, $amount, $complete, FALSE);
} else {
$admin = get_userdata(1);
$admin_email = $admin->user_email;
ym_email($admin_email, 'GC PAYLOAD STATE FAIL', print_r($packet, TRUE));
}
}
exit;
}
}
