Пример #1
0
 public static function start_payment($invoice_id, $payment_amount, $invoice_payment_id, $user_id = false)
 {
     if ($invoice_id && $payment_amount && $invoice_payment_id) {
         // we are starting a payment via coinbase!
         // setup a pending payment and redirect to coinbase.
         $invoice_data = module_invoice::get_invoice($invoice_id);
         if (!$user_id) {
             $user_id = $invoice_data['user_id'];
         }
         if (!$user_id) {
             $user_id = isset($invoice_data['primary_user_id']) ? $invoice_data['primary_user_id'] : 0;
         }
         if (!$user_id) {
             $user_id = module_security::get_loggedin_id();
         }
         $user_data = module_user::get_user($user_id);
         if (!$user_data || !strpos($user_data['email'], '@')) {
             die('Please ensure your user account has a valid email address before paying with coinbase');
         }
         $invoice_payment_data = module_invoice::get_invoice_payment($invoice_payment_id);
         // we add the fee details to the invoice payment record so that the new invoice total can be calculated.
         $fee_percent = module_config::c('payment_method_coinbase_charge_percent', 0);
         $fee_amount = module_config::c('payment_method_coinbase_charge_amount', 0);
         $fee_description = module_config::c('payment_method_coinbase_charge_description', 'Coinbase Fee');
         $fee_total = 0;
         if ($fee_percent != 0 || $fee_amount != 0) {
             $fee_total = module_invoice::calculate_fee($invoice_id, $invoice_data, $payment_amount, array('percent' => $fee_percent, 'amount' => $fee_amount, 'description' => $fee_description));
             if ($fee_total != 0) {
                 // add this percent/amount to the invoice payment
                 $payment_amount = $payment_amount + $fee_total;
                 update_insert('invoice_payment_id', $invoice_payment_id, 'invoice_payment', array('fee_percent' => $fee_percent, 'fee_amount' => $fee_amount, 'fee_description' => $fee_description, 'fee_total' => $fee_total, 'amount' => $payment_amount));
             }
         }
         // we check if this payment is a recurring payment or a standard one off payment.
         if (module_config::c('payment_method_coinbase_subscriptions', 0)) {
             // we support subscriptions!
             // first check if the subscription module is active, and if this invoice is part of an active subscription.
             $is_subscription = false;
             if (class_exists('module_subscription', false)) {
                 $subscription_history = get_single('subscription_history', 'invoice_id', $invoice_id);
                 if ($subscription_history && $subscription_history['subscription_id']) {
                     // this invoice is for a subscription! woo!
                     // work out when we should bill for this subscription.
                     $subscription = module_subscription::get_subscription($subscription_history['subscription_id']);
                     $subscription_owner = module_subscription::get_subscription_owner($subscription_history['subscription_owner_id']);
                     if ($subscription_owner['owner_table'] && $subscription_owner['owner_id']) {
                         // work out when the next invoice will be generated for this subscription.
                         $members_subscriptions = module_subscription::get_subscriptions_by($subscription_owner['owner_table'], $subscription_owner['owner_id']);
                         if (isset($members_subscriptions[$subscription_history['subscription_id']])) {
                             $member_subscription = $members_subscriptions[$subscription_history['subscription_id']];
                             // everything checks out! good to go....
                             // for now we just do a basic "EVERY X TIME" subscription
                             // todo: work out how long until next generate date, and set that (possibly smaller) time period as the first portion of the subscription
                             /*echo '<pre>';
                               print_r($subscription_history);
                               print_r($subscription);
                               print_r($subscription_owner);
                               print_r($member_subscription);
                               exit;*/
                             $is_subscription = array();
                             if ($subscription['days'] > 0) {
                                 $is_subscription['days'] = $subscription['days'];
                             }
                             if ($subscription['months'] > 0) {
                                 $is_subscription['months'] = $subscription['months'];
                             }
                             if ($subscription['years'] > 0) {
                                 $is_subscription['years'] = $subscription['years'];
                             }
                             if (count($is_subscription)) {
                                 $is_subscription['name'] = $subscription['name'];
                                 $is_subscription['id'] = $subscription_history['subscription_id'];
                             }
                         }
                     }
                 }
             }
             // todo: check if this invoice has a manual renewal date, perform subscription feature as above.
             if ($is_subscription) {
                 // coinbase only supports these recurring methods:
                 // daily, weekly, every_two_weeks, monthly, quarterly, and yearly
                 // work out which one our days are at.
                 $days = isset($is_subscription['days']) ? $is_subscription['days'] : 0;
                 if (isset($is_subscription['months'])) {
                     $days += $is_subscription['months'] * 30;
                     unset($is_subscription['months']);
                 }
                 if (isset($is_subscription['years'])) {
                     $days += $is_subscription['years'] * 365;
                     unset($is_subscription['years']);
                 }
                 $is_subscription['days'] = $days;
                 if ($days == 1) {
                     $is_subscription['coinbase_period'] = 'daily';
                 } else {
                     if ($days == 7 || $days == 6 || $days == 8) {
                         $is_subscription['coinbase_period'] = 'weekly';
                     } else {
                         if ($days == 14 || $days == 13 || $days == 15) {
                             $is_subscription['coinbase_period'] = 'every_two_weeks';
                         } else {
                             if ($days == 29 || $days == 30 || $days == 31) {
                                 $is_subscription['coinbase_period'] = 'monthly';
                             } else {
                                 if ($days >= 87 && $days <= 95) {
                                     $is_subscription['coinbase_period'] = 'quarterly';
                                 } else {
                                     if ($days >= 363 && $days <= 370) {
                                         $is_subscription['coinbase_period'] = 'yearly';
                                     } else {
                                         send_error('Someone tried to pay with coinbase but coinbase does not support a recurring subscription period of ' . $days . ' days. Only:  daily, weekly, every_two_weeks, monthly, quarterly, and yearly ');
                                         $is_subscription = false;
                                         // not supported.
                                     }
                                 }
                             }
                         }
                     }
                 }
             }
             if ($is_subscription && isset($is_subscription['coinbase_period'])) {
                 $invoice_payment_data = module_invoice::get_invoice_payment($invoice_payment_id);
                 if (isset($invoice_payment_data['invoice_payment_subscription_id']) && (int) $invoice_payment_data['invoice_payment_subscription_id'] > 0) {
                     // existing subscription already!
                     // not really sure what to do here, just redirect to coinbase as if the user is doing it for the first time.
                     $_REQUEST['payment_subscription'] = true;
                     // hacks!
                 }
                 if (isset($_REQUEST['payment_subscription']) || module_config::c('payment_method_coinbase_force_subscription', 0)) {
                     // user is setting up a subscription! yes!!
                     // we create an entry in our database for this particular subscription
                     // or if one exists for this payment already then we just continue with that (ie: the user is going in again to redo it)
                     // setup a new subscription in the database for us.
                     if (isset($invoice_payment_data['invoice_payment_subscription_id']) && (int) $invoice_payment_data['invoice_payment_subscription_id'] > 0) {
                         $invoice_payment_subscription_id = $invoice_payment_data['invoice_payment_subscription_id'];
                     } else {
                         $invoice_payment_subscription_id = update_insert('invoice_payment_subscription_id', false, 'invoice_payment_subscription', array('status' => _INVOICE_SUBSCRIPTION_PENDING, 'days' => isset($is_subscription['days']) ? $is_subscription['days'] : 0, 'months' => isset($is_subscription['months']) ? $is_subscription['months'] : 0, 'years' => isset($is_subscription['years']) ? $is_subscription['years'] : 0, 'date_start' => '0000-00-00', 'date_last_pay' => '0000-00-00', 'date_next' => '0000-00-00'));
                         update_insert('invoice_payment_id', $invoice_payment_id, 'invoice_payment', array('invoice_payment_subscription_id' => $invoice_payment_subscription_id));
                     }
                     $description = _l('Recurring payment for %s %s', $is_subscription['name'], _l(str_replace('_', ' ', $is_subscription['coinbase_period'])));
                     $subscription_name = $is_subscription['name'];
                     unset($is_subscription['name']);
                     // so reset/key cals below rosk.
                     $subscription_id = $is_subscription['id'];
                     unset($is_subscription['id']);
                     // so reset/key cals below rosk.
                     $currency = module_config::get_currency($invoice_payment_data['currency_id']);
                     $currency_code = $currency['code'];
                     include module_theme::include_ucm('includes/plugin_paymethod_coinbase/pages/coinbase_form.php');
                     exit;
                 } else {
                     if (isset($_REQUEST['payment_single'])) {
                         // use is choosing to continue payment as a once off amount
                     } else {
                         // give the user an option
                         $template = module_template::get_template_by_key('invoice_payment_subscription');
                         $template->page_title = htmlspecialchars($invoice_data['name']);
                         $template->assign_values($invoice_payment_data);
                         $template->assign_values(module_invoice::get_replace_fields($invoice_data['invoice_id'], $invoice_data));
                         $template->assign_values(array('invoice_payment_id' => $invoice_payment_id, 'payment_url' => module_invoice::link_public_pay($invoice_data['invoice_id']), 'payment_method' => 'paymethod_coinbase', 'payment_amount' => $payment_amount, 'pretty_payment_amount' => dollar($payment_amount, true, $invoice_data['currency_id']), 'subscription_period' => _l('%s days (%s)', $is_subscription['days'], $is_subscription['coinbase_period']), 'fee_amount' => dollar($fee_amount, true, $invoice_data['currency_id']), 'fee_total' => dollar($fee_total, true, $invoice_data['currency_id']), 'fee_percent' => $fee_percent, 'fee_description' => $fee_description));
                         echo $template->render('pretty_html');
                         exit;
                     }
                 }
             }
         }
         $description = _l('Payment for invoice %s', $invoice_data['name']);
         //self::coinbase_redirect($description,$payment_amount,$user_id,$invoice_payment_id,$invoice_id,$invoice_payment_data['currency_id']);
         $currency = module_config::get_currency($invoice_payment_data['currency_id']);
         $currency_code = $currency['code'];
         include module_theme::include_ucm('includes/plugin_paymethod_coinbase/pages/coinbase_form.php');
         /*$template = new module_template();
           ob_start();
           $template->content = ob_get_clean();
           echo $template->render('pretty_html');*/
         exit;
     }
     return false;
 }
Пример #2
0
 public static function start_payment($invoice_id, $payment_amount, $invoice_payment_id, $user_id = false)
 {
     if ($invoice_id && $payment_amount && $invoice_payment_id) {
         // we are starting a payment via paynl!
         // setup a pending payment and redirect to paynl.
         $invoice_data = module_invoice::get_invoice($invoice_id);
         if (!$user_id) {
             $user_id = $invoice_data['user_id'];
         }
         if (!$user_id) {
             $user_id = isset($invoice_data['primary_user_id']) ? $invoice_data['primary_user_id'] : 0;
         }
         $invoice_payment_data = module_invoice::get_invoice_payment($invoice_payment_id);
         // we add the fee details to the invoice payment record so that the new invoice total can be calculated.
         $fee_percent = module_config::c('payment_method_paynl_charge_percent', 0);
         $fee_amount = module_config::c('payment_method_paynl_charge_amount', 0);
         $fee_description = module_config::c('payment_method_paynl_charge_description', 'paynl Fee');
         $fee_total = 0;
         if ($fee_percent != 0 || $fee_amount != 0) {
             $fee_total = module_invoice::calculate_fee($invoice_id, $invoice_data, $payment_amount, array('percent' => $fee_percent, 'amount' => $fee_amount, 'description' => $fee_description));
             if ($fee_total != 0) {
                 // add this percent/amount to the invoice payment
                 $payment_amount = $payment_amount + $fee_total;
                 update_insert('invoice_payment_id', $invoice_payment_id, 'invoice_payment', array('fee_percent' => $fee_percent, 'fee_amount' => $fee_amount, 'fee_description' => $fee_description, 'fee_total' => $fee_total, 'amount' => $payment_amount));
             }
         }
         $description = _l('Payment for Invoice %s', $invoice_data['name']);
         self::paynl_redirect($description, $payment_amount, $user_id, $invoice_payment_id, $invoice_id, $invoice_payment_data['currency_id']);
         return true;
     }
     return false;
 }
Пример #3
0
 public static function start_payment($invoice_id, $payment_amount, $invoice_payment_id, $user_id = false)
 {
     if ($invoice_id && $payment_amount && $invoice_payment_id) {
         // we are starting a payment via paypal!
         // setup a pending payment and redirect to paypal.
         $invoice_data = module_invoice::get_invoice($invoice_id);
         if (!$user_id) {
             $user_id = $invoice_data['user_id'];
         }
         if (!$user_id) {
             $user_id = isset($invoice_data['primary_user_id']) ? $invoice_data['primary_user_id'] : 0;
         }
         $invoice_payment_data = module_invoice::get_invoice_payment($invoice_payment_id);
         // we add the fee details to the invoice payment record so that the new invoice total can be calculated.
         $fee_percent = module_config::c('payment_method_paypal_charge_percent', 0);
         $fee_amount = module_config::c('payment_method_paypal_charge_amount', 0);
         $fee_description = module_config::c('payment_method_paypal_charge_description', 'PayPal Fee');
         $fee_total = 0;
         if ($fee_percent != 0 || $fee_amount != 0) {
             $fee_total = module_invoice::calculate_fee($invoice_id, $invoice_data, $payment_amount, array('percent' => $fee_percent, 'amount' => $fee_amount, 'description' => $fee_description));
             if ($fee_total != 0) {
                 // add this percent/amount to the invoice payment
                 $payment_amount = $payment_amount + $fee_total;
                 update_insert('invoice_payment_id', $invoice_payment_id, 'invoice_payment', array('fee_percent' => $fee_percent, 'fee_amount' => $fee_amount, 'fee_description' => $fee_description, 'fee_total' => $fee_total, 'amount' => $payment_amount));
             }
         }
         // we check if this payment is a recurring payment or a standard one off payment.
         if (module_config::c('payment_method_paypal_subscriptions', 0)) {
             // we support subscriptions!
             // first check if the subscription module is active, and if this invoice is part of an active subscription.
             $is_subscription = false;
             if (class_exists('module_subscription', false)) {
                 $subscription_history = get_single('subscription_history', 'invoice_id', $invoice_id);
                 if ($subscription_history && $subscription_history['subscription_id']) {
                     // this invoice is for a subscription! woo!
                     // work out when we should bill for this subscription.
                     $subscription = module_subscription::get_subscription($subscription_history['subscription_id']);
                     $subscription_owner = module_subscription::get_subscription_owner($subscription_history['subscription_owner_id']);
                     if ($subscription_owner['owner_table'] && $subscription_owner['owner_id']) {
                         // work out when the next invoice will be generated for this subscription.
                         $members_subscriptions = module_subscription::get_subscriptions_by($subscription_owner['owner_table'], $subscription_owner['owner_id']);
                         if (isset($members_subscriptions[$subscription_history['subscription_id']])) {
                             $member_subscription = $members_subscriptions[$subscription_history['subscription_id']];
                             // everything checks out! good to go....
                             // for now we just do a basic "EVERY X TIME" subscription
                             // todo: work out how long until next generate date, and set that (possibly smaller) time period as the first portion of the subscription
                             /*echo '<pre>';
                               print_r($subscription_history);
                               print_r($subscription);
                               print_r($subscription_owner);
                               print_r($member_subscription);
                               exit;*/
                             $is_subscription = array();
                             if ($subscription['days'] > 0) {
                                 $is_subscription['days'] = $subscription['days'];
                             }
                             if ($subscription['months'] > 0) {
                                 $is_subscription['months'] = $subscription['months'];
                             }
                             if ($subscription['years'] > 0) {
                                 $is_subscription['years'] = $subscription['years'];
                             }
                             if (count($is_subscription)) {
                                 $is_subscription['name'] = $subscription['name'];
                             }
                         }
                     }
                 }
             }
             // todo: check if this invoice has a manual renewal date, perform subscription feature as above.
             if ($is_subscription) {
                 $bits = array();
                 if (isset($is_subscription['days']) && $is_subscription['days'] > 0) {
                     $bits[] = _l('%s days', $is_subscription['days']);
                 }
                 if (isset($is_subscription['months']) && $is_subscription['months'] > 0) {
                     $bits[] = _l('%s months', $is_subscription['months']);
                 }
                 if (isset($is_subscription['years']) && $is_subscription['years'] > 0) {
                     $bits[] = _l('%s years', $is_subscription['years']);
                 }
                 $invoice_payment_data = module_invoice::get_invoice_payment($invoice_payment_id);
                 if (isset($invoice_payment_data['invoice_payment_subscription_id']) && (int) $invoice_payment_data['invoice_payment_subscription_id'] > 0) {
                     // existing subscription already!
                     // not really sure what to do here, just redirect to paypal as if the user is doing it for the first time.
                     $_REQUEST['payment_subscription'] = true;
                     // hacks!
                 }
                 if (isset($_REQUEST['payment_subscription']) || module_config::c('payment_method_paypal_force_subscription', 0)) {
                     // user is setting up a subscription! yes!!
                     // we create an entry in our database for this particular subscription
                     // or if one exists for this payment already then we just continue with that (ie: the user is going in again to redo it)
                     // setup a new subscription in the database for us.
                     if (isset($invoice_payment_data['invoice_payment_subscription_id']) && (int) $invoice_payment_data['invoice_payment_subscription_id'] > 0) {
                         $invoice_payment_subscription_id = $invoice_payment_data['invoice_payment_subscription_id'];
                     } else {
                         $invoice_payment_subscription_id = update_insert('invoice_payment_subscription_id', false, 'invoice_payment_subscription', array('status' => _INVOICE_SUBSCRIPTION_PENDING, 'days' => isset($is_subscription['days']) ? $is_subscription['days'] : 0, 'months' => isset($is_subscription['months']) ? $is_subscription['months'] : 0, 'years' => isset($is_subscription['years']) ? $is_subscription['years'] : 0, 'date_start' => '0000-00-00', 'date_last_pay' => '0000-00-00', 'date_next' => '0000-00-00'));
                         update_insert('invoice_payment_id', $invoice_payment_id, 'invoice_payment', array('invoice_payment_subscription_id' => $invoice_payment_subscription_id));
                     }
                     $description = _l('Recurring payment for %s every %s', $is_subscription['name'], implode(', ', $bits));
                     unset($is_subscription['name']);
                     // so reset/key cals below rosk.
                     $currency = module_config::get_currency($invoice_payment_data['currency_id']);
                     $url = 'https://www.' . (self::is_sandbox() ? 'sandbox.' : '') . 'paypal.com/cgi-bin/webscr?';
                     // if there are more than 1 recurring amounts then we convert it to days, as paypal only supports one time period.
                     if (count($is_subscription) > 1) {
                         $days = isset($is_subscription['days']) ? $is_subscription['days'] : 0;
                         if (isset($is_subscription['months'])) {
                             $days += $is_subscription['months'] * 30;
                             unset($is_subscription['months']);
                         }
                         if (isset($is_subscription['years'])) {
                             $days += $is_subscription['years'] * 365;
                             unset($is_subscription['years']);
                         }
                         $is_subscription['days'] = $days;
                     }
                     reset($is_subscription);
                     $time = key($is_subscription);
                     if ($time == 'days') {
                         $time = 'D';
                     } else {
                         if ($time == 'months') {
                             $time = 'M';
                         } else {
                             if ($time == 'years') {
                                 $time = 'Y';
                             }
                         }
                     }
                     $fields = array('cmd' => '_xclick-subscriptions', 'business' => module_config::c('payment_method_paypal_email', _ERROR_EMAIL), 'currency_code' => $currency['code'], 'item_name' => $description, 'no_shipping' => 1, 'page_style' => module_config::c('paypal_page_style', ''), 'return' => module_invoice::link_public_payment_complete($invoice_id), 'rm' => 1, 'cancel_return' => module_invoice::link_public($invoice_id), 'notify_url' => full_link(_EXTERNAL_TUNNEL . '?m=paymethod_paypal&h=ipn&method=paypal'), 'custom' => self::paypal_custom($user_id, $invoice_payment_id, $invoice_id, $invoice_payment_subscription_id), 'a3' => $payment_amount, 'p3' => current($is_subscription), 't3' => $time, 'src' => 1, 'sra' => 1, 'no_note' => 1);
                     // is there a subscription trail period
                     if (isset($subscription['settings']['trial_period']) && $subscription['settings']['trial_period'] > 0) {
                         // we have to hacck the payment_amount here.
                         // $payment_amount will be the discounted amount (eg: $5 instead of $10)
                         // so we reverse that discounted amount for the real amount.
                         $real_amount = $payment_amount - $fee_amount - (isset($subscription['settings']['trial_price_adjust']) ? $subscription['settings']['trial_price_adjust'] : 0);
                         $real_fee_total = module_invoice::calculate_fee($invoice_id, $invoice_data, $real_amount, array('percent' => $fee_percent, 'amount' => $fee_amount, 'description' => $fee_description));
                         $real_amount += $real_fee_total;
                         $fields['a3'] = $real_amount;
                         $fields['a1'] = $payment_amount;
                         // $real_amount + (isset($subscription['settings']['trial_price_adjust']) ? $subscription['settings']['trial_price_adjust'] : 0);
                         $fields['p1'] = current($is_subscription);
                         // * $subscription['settings']['trial_period'];
                         $fields['t1'] = $time;
                     }
                     //echo '<pre>'; print_r($fields);exit;
                     foreach ($fields as $key => $val) {
                         $url .= $key . '=' . urlencode($val) . '&';
                     }
                     //echo '<a href="'.$url.'">'.$url.'</a>';exit;
                     redirect_browser($url);
                 } else {
                     if (isset($_REQUEST['payment_single'])) {
                         // use is choosing to continue payment as a once off amount
                     } else {
                         // give the user an option
                         module_template::init_template('invoice_payment_subscription', '<h2>Payment for Invoice {INVOICE_NUMBER}</h2>
                     <p>Please choose from the available payment options below:</p>
                     <form action="{PAYMENT_URL}" method="post">
                     <input type="hidden" name="invoice_payment_id" value="{INVOICE_PAYMENT_ID}">
                     <input type="hidden" name="payment_method" value="{PAYMENT_METHOD}">
                     <input type="hidden" name="payment_amount" value="{PAYMENT_AMOUNT}">
                     <p><input type="submit" name="payment_single" value="Pay a Once Off amount of {PRETTY_PAYMENT_AMOUNT}"></p>
                     <p><input type="submit" name="payment_subscription" value="Setup Automatic Payments of {PRETTY_PAYMENT_AMOUNT} every {SUBSCRIPTION_PERIOD}"></p>
                     </form>
                     ', 'Used when a customer tries to pay an invoice that has a subscription option.', 'code');
                         $template = module_template::get_template_by_key('invoice_payment_subscription');
                         $template->page_title = htmlspecialchars($invoice_data['name']);
                         $template->assign_values($invoice_payment_data);
                         $template->assign_values(module_invoice::get_replace_fields($invoice_data['invoice_id'], $invoice_data));
                         $template->assign_values(array('invoice_payment_id' => $invoice_payment_id, 'payment_url' => module_invoice::link_public_pay($invoice_data['invoice_id']), 'payment_method' => 'paymethod_paypal', 'payment_amount' => $payment_amount, 'pretty_payment_amount' => dollar($payment_amount, true, $invoice_data['currency_id']), 'subscription_period' => implode(', ', $bits), 'fee_amount' => dollar($fee_amount, true, $invoice_data['currency_id']), 'fee_total' => dollar($fee_total, true, $invoice_data['currency_id']), 'fee_percent' => $fee_percent, 'fee_description' => $fee_description));
                         echo $template->render('pretty_html');
                         exit;
                     }
                 }
             }
         }
         $description = _l('Payment for Invoice %s', $invoice_data['name']);
         self::paypal_redirect($description, $payment_amount, $user_id, $invoice_payment_id, $invoice_id, $invoice_payment_data['currency_id']);
         return true;
     }
     return false;
 }
Пример #4
0
    public static function start_payment($invoice_id, $payment_amount, $invoice_payment_id, $user_id = false)
    {
        if ($invoice_id && $payment_amount && $invoice_payment_id) {
            // we are starting a payment via stripe!
            // setup a pending payment and redirect to stripe.
            $invoice_data = module_invoice::get_invoice($invoice_id);
            if (!$user_id) {
                $user_id = $invoice_data['user_id'];
            }
            if (!$user_id) {
                $user_id = isset($invoice_data['primary_user_id']) ? $invoice_data['primary_user_id'] : 0;
            }
            if (!$user_id) {
                $user_id = module_security::get_loggedin_id();
            }
            $user_data = module_user::get_user($user_id);
            if (!$user_data || !strpos($user_data['email'], '@')) {
                die('Please ensure your user account has a valid email address before paying with stripe');
            }
            $invoice_payment_data = module_invoice::get_invoice_payment($invoice_payment_id);
            // we add the fee details to the invoice payment record so that the new invoice total can be calculated.
            $fee_percent = module_config::c('payment_method_stripe_charge_percent', 0);
            $fee_amount = module_config::c('payment_method_stripe_charge_amount', 0);
            $fee_description = module_config::c('payment_method_stripe_charge_description', 'Stripe Fee');
            $fee_total = 0;
            if ($fee_percent != 0 || $fee_amount != 0) {
                $fee_total = module_invoice::calculate_fee($invoice_id, $invoice_data, $payment_amount, array('percent' => $fee_percent, 'amount' => $fee_amount, 'description' => $fee_description));
                if ($fee_total != 0) {
                    // add this percent/amount to the invoice payment
                    $payment_amount = $payment_amount + $fee_total;
                    update_insert('invoice_payment_id', $invoice_payment_id, 'invoice_payment', array('fee_percent' => $fee_percent, 'fee_amount' => $fee_amount, 'fee_description' => $fee_description, 'fee_total' => $fee_total, 'amount' => $payment_amount));
                }
            }
            // we check if this payment is a recurring payment or a standard one off payment.
            if (module_config::c('payment_method_stripe_subscriptions', 0)) {
                // we support subscriptions!
                // first check if the subscription module is active, and if this invoice is part of an active subscription.
                $is_subscription = false;
                if (class_exists('module_subscription', false)) {
                    $subscription_history = get_single('subscription_history', 'invoice_id', $invoice_id);
                    if ($subscription_history && $subscription_history['subscription_id']) {
                        // this invoice is for a subscription! woo!
                        // work out when we should bill for this subscription.
                        $subscription = module_subscription::get_subscription($subscription_history['subscription_id']);
                        $subscription_owner = module_subscription::get_subscription_owner($subscription_history['subscription_owner_id']);
                        if ($subscription_owner['owner_table'] && $subscription_owner['owner_id']) {
                            // work out when the next invoice will be generated for this subscription.
                            $members_subscriptions = module_subscription::get_subscriptions_by($subscription_owner['owner_table'], $subscription_owner['owner_id']);
                            if (isset($members_subscriptions[$subscription_history['subscription_id']])) {
                                $member_subscription = $members_subscriptions[$subscription_history['subscription_id']];
                                // everything checks out! good to go....
                                // for now we just do a basic "EVERY X TIME" subscription
                                // todo: work out how long until next generate date, and set that (possibly smaller) time period as the first portion of the subscription
                                /*echo '<pre>';
                                  print_r($subscription_history);
                                  print_r($subscription);
                                  print_r($subscription_owner);
                                  print_r($member_subscription);
                                  exit;*/
                                $is_subscription = array();
                                if ($subscription['days'] > 0) {
                                    $is_subscription['days'] = $subscription['days'];
                                }
                                if ($subscription['months'] > 0) {
                                    $is_subscription['months'] = $subscription['months'];
                                }
                                if ($subscription['years'] > 0) {
                                    $is_subscription['years'] = $subscription['years'];
                                }
                                if (count($is_subscription)) {
                                    $is_subscription['name'] = $subscription['name'];
                                    $is_subscription['id'] = $subscription_history['subscription_id'];
                                }
                            }
                        }
                    }
                }
                // todo: check if this invoice has a manual renewal date, perform subscription feature as above.
                if ($is_subscription) {
                    $bits = array();
                    if (isset($is_subscription['days']) && $is_subscription['days'] > 0) {
                        $bits[] = _l('%s days', $is_subscription['days']);
                    }
                    if (isset($is_subscription['months']) && $is_subscription['months'] > 0) {
                        $bits[] = _l('%s months', $is_subscription['months']);
                    }
                    if (isset($is_subscription['years']) && $is_subscription['years'] > 0) {
                        $bits[] = _l('%s years', $is_subscription['years']);
                    }
                    $invoice_payment_data = module_invoice::get_invoice_payment($invoice_payment_id);
                    if (isset($invoice_payment_data['invoice_payment_subscription_id']) && (int) $invoice_payment_data['invoice_payment_subscription_id'] > 0) {
                        // existing subscription already!
                        // not really sure what to do here, just redirect to stripe as if the user is doing it for the first time.
                        $_REQUEST['payment_subscription'] = true;
                        // hacks!
                    }
                    if (isset($_REQUEST['payment_subscription']) || module_config::c('payment_method_stripe_force_subscription', 0)) {
                        // user is setting up a subscription! yes!!
                        // we create an entry in our database for this particular subscription
                        // or if one exists for this payment already then we just continue with that (ie: the user is going in again to redo it)
                        // setup a new subscription in the database for us.
                        if (isset($invoice_payment_data['invoice_payment_subscription_id']) && (int) $invoice_payment_data['invoice_payment_subscription_id'] > 0) {
                            $invoice_payment_subscription_id = $invoice_payment_data['invoice_payment_subscription_id'];
                        } else {
                            $invoice_payment_subscription_id = update_insert('invoice_payment_subscription_id', false, 'invoice_payment_subscription', array('status' => _INVOICE_SUBSCRIPTION_PENDING, 'days' => isset($is_subscription['days']) ? $is_subscription['days'] : 0, 'months' => isset($is_subscription['months']) ? $is_subscription['months'] : 0, 'years' => isset($is_subscription['years']) ? $is_subscription['years'] : 0, 'date_start' => '0000-00-00', 'date_last_pay' => '0000-00-00', 'date_next' => '0000-00-00'));
                            update_insert('invoice_payment_id', $invoice_payment_id, 'invoice_payment', array('invoice_payment_subscription_id' => $invoice_payment_subscription_id));
                        }
                        $description = _l('Recurring payment for %s every %s', $is_subscription['name'], implode(', ', $bits));
                        $subscription_name = $is_subscription['name'];
                        unset($is_subscription['name']);
                        // so reset/key cals below rosk.
                        $subscription_id = $is_subscription['id'];
                        unset($is_subscription['id']);
                        // so reset/key cals below rosk.
                        $currency = module_config::get_currency($invoice_payment_data['currency_id']);
                        // if there are more than 1 recurring amounts then we convert it to weeks, as stripe only supports one time period.
                        if (count($is_subscription) > 1) {
                            $days = isset($is_subscription['days']) ? $is_subscription['days'] : 0;
                            if (isset($is_subscription['months'])) {
                                $days += $is_subscription['months'] * 30;
                                unset($is_subscription['months']);
                            }
                            if (isset($is_subscription['years'])) {
                                $days += $is_subscription['years'] * 365;
                                unset($is_subscription['years']);
                            }
                            $is_subscription['days'] = $days;
                        }
                        reset($is_subscription);
                        $time = key($is_subscription);
                        if ($time == 'days') {
                            // convert days to weeks
                            //$time = 'week';
                            $time = 'day';
                            $period = $is_subscription['days'];
                            //$period = max(1,floor($is_subscription['days'] / 7));
                        } else {
                            if ($time == 'months') {
                                $time = 'month';
                                $period = $is_subscription['months'];
                            } else {
                                if ($time == 'years') {
                                    $time = 'year';
                                    $period = $is_subscription['years'];
                                } else {
                                    die('Failed to create subscription, invalid settings');
                                }
                            }
                        }
                        $stripe_amount = $payment_amount * 100;
                        ini_set('display_errors', true);
                        ini_set('error_reporting', E_ALL);
                        // create or retrieve this subscription.
                        require_once 'includes/plugin_paymethod_stripe/stripe-php/lib/Stripe.php';
                        $stripe = array("secret_key" => module_config::c('payment_method_stripe_secret_key'), "publishable_key" => module_config::c('payment_method_stripe_publishable_key'));
                        Stripe::setApiKey($stripe['secret_key']);
                        $stripe_plan_id = 'sub_' . $subscription_id;
                        $stripe_plan = false;
                        if ($stripe_plan_id) {
                            // get this plan from stripe, and check it's still valid:
                            try {
                                $stripe_plan = Stripe_Plan::retrieve($stripe_plan_id);
                            } catch (Exception $e) {
                                //print_r($e);
                            }
                            if ($stripe_plan && $stripe_plan->interval == $time && $stripe_plan->interval_count == $period && $stripe_plan->amount == $stripe_amount) {
                                // still have a valid plan! yes!
                            } else {
                                // plan no longer exists or has changed
                                $stripe_plan = false;
                            }
                        }
                        if (!$stripe_plan) {
                            try {
                                $settings = array("amount" => $stripe_amount, "interval" => $time, 'interval_count' => $period, "name" => $subscription_name, "currency" => $currency['code'], "id" => $stripe_plan_id, 'metadata' => array('subscription_id' => $subscription_id));
                                $stripe_plan = Stripe_Plan::create($settings);
                            } catch (Exception $e) {
                                //print_r($e);
                            }
                            //                            print_r($stripe_plan);
                        }
                        if ($stripe_plan) {
                            // right to go!
                            // display the stripe payment form (same as stripe_form.php, just we do a subscription rather than once off payment)
                            //self::stripe_redirect($description,$payment_amount,$user_id,$invoice_payment_id,$invoice_id,$invoice_payment_data['currency_id']);
                            $currency = module_config::get_currency($invoice_payment_data['currency_id']);
                            $currency_code = $currency['code'];
                            $template = new module_template();
                            ob_start();
                            ?>
                                <h1><?php 
                            echo htmlspecialchars($description);
                            ?>
</h1>
                                <form action="<?php 
                            echo full_link(_EXTERNAL_TUNNEL . '?m=paymethod_stripe&h=pay_subscription&method=stripe');
                            ?>
" method="post">
                                    <input type="hidden" name="invoice_payment_subscription_id" value="<?php 
                            echo $invoice_payment_subscription_id;
                            ?>
">
                                    <input type="hidden" name="invoice_payment_id" value="<?php 
                            echo $invoice_payment_id;
                            ?>
">
                                    <input type="hidden" name="invoice_id" value="<?php 
                            echo $invoice_id;
                            ?>
">
                                    <input type="hidden" name="stripe_plan_id" value="<?php 
                            echo $stripe_plan_id;
                            ?>
">
                                    <input type="hidden" name="description" value="<?php 
                            echo htmlspecialchars($description);
                            ?>
">
                                    <input type="hidden" name="user_id" value="<?php 
                            echo htmlspecialchars($user_id);
                            ?>
">
                                  <script src="https://checkout.stripe.com/v2/checkout.js" class="stripe-button"
                                          data-key="<?php 
                            echo $stripe['publishable_key'];
                            ?>
"
                                          data-amount="<?php 
                            echo $payment_amount * 100;
                            ?>
"
                                          <?php 
                            if (isset($user_data['email']) && strlen($user_data['email'])) {
                                ?>
                                          data-email="<?php 
                                echo htmlspecialchars($user_data['email']);
                                ?>
"
                                            <?php 
                            }
                            ?>
                                          data-currency="<?php 
                            echo htmlspecialchars($currency_code);
                            ?>
"
                                          data-label="<?php 
                            _e('Pay %s by Credit Card', dollar($payment_amount, true, $invoice_payment_data['currency_id']));
                            ?>
"
                                          data-description="<?php 
                            echo htmlspecialchars($description);
                            ?>
"></script>
                                </form>

                                <p>&nbsp;</p>
                                <p>

                                <a href="<?php 
                            echo module_invoice::link_public($invoice_id);
                            ?>
"><?php 
                            _e("Cancel");
                            ?>
</a>
                                </p>
                                <?php 
                            $template->content = ob_get_clean();
                            echo $template->render('pretty_html');
                            exit;
                        } else {
                            die('Failed to create stripe plan. Please check settings: ' . var_export($stripe_plan, true));
                        }
                    } else {
                        if (isset($_REQUEST['payment_single'])) {
                            // use is choosing to continue payment as a once off amount
                        } else {
                            // give the user an option
                            module_template::init_template('invoice_payment_subscription', '<h2>Payment for Invoice {INVOICE_NUMBER}</h2>
                        <p>Please choose from the available payment options below:</p>
                        <form action="{PAYMENT_URL}" method="post">
                        <input type="hidden" name="invoice_payment_id" value="{INVOICE_PAYMENT_ID}">
                        <input type="hidden" name="payment_method" value="{PAYMENT_METHOD}">
                        <input type="hidden" name="payment_amount" value="{PAYMENT_AMOUNT}">
                        <p><input type="submit" name="payment_single" value="Pay a Once Off amount of {PRETTY_PAYMENT_AMOUNT}"></p>
                        <p><input type="submit" name="payment_subscription" value="Setup Automatic Payments of {PRETTY_PAYMENT_AMOUNT} every {SUBSCRIPTION_PERIOD}"></p>
                        </form>
                        ', 'Used when a customer tries to pay an invoice that has a subscription option.', 'code');
                            $template = module_template::get_template_by_key('invoice_payment_subscription');
                            $template->page_title = htmlspecialchars($invoice_data['name']);
                            $template->assign_values($invoice_payment_data);
                            $template->assign_values(module_invoice::get_replace_fields($invoice_data['invoice_id'], $invoice_data));
                            $template->assign_values(array('invoice_payment_id' => $invoice_payment_id, 'payment_url' => module_invoice::link_public_pay($invoice_data['invoice_id']), 'payment_method' => 'paymethod_stripe', 'payment_amount' => $payment_amount, 'pretty_payment_amount' => dollar($payment_amount, true, $invoice_data['currency_id']), 'subscription_period' => implode(', ', $bits), 'fee_amount' => dollar($fee_amount, true, $invoice_data['currency_id']), 'fee_total' => dollar($fee_total, true, $invoice_data['currency_id']), 'fee_percent' => $fee_percent, 'fee_description' => $fee_description));
                            echo $template->render('pretty_html');
                            exit;
                        }
                    }
                }
            }
            $description = _l('Payment for invoice %s', $invoice_data['name']);
            //self::stripe_redirect($description,$payment_amount,$user_id,$invoice_payment_id,$invoice_id,$invoice_payment_data['currency_id']);
            $currency = module_config::get_currency($invoice_payment_data['currency_id']);
            $currency_code = $currency['code'];
            $template = new module_template();
            ob_start();
            include module_theme::include_ucm('includes/plugin_paymethod_stripe/pages/stripe_form.php');
            $template->content = ob_get_clean();
            echo $template->render('pretty_html');
            exit;
        }
        return false;
    }