Adding support for underpaid orders. Closes #6

upload/admin/controller/payment/mycelium.php

@@ -54,6 +54,7 @@ public function index() {
 			$this->setting('status', $this->request->post['mycelium_status']);
 			$this->setting('paid_status', $this->request->post['mycelium_paid_status']);
 			$this->setting('complete_status', $this->request->post['mycelium_complete_status']);
+			$this->setting('underpaid_status', $this->request->post['mycelium_underpaid_status']);
 			$this->setting('shifty_enabled', $this->request->post['mycelium_shifty_enabled']);
 			$this->setting('address_reuse_time', abs($this->request->post['mycelium_reuse_time']));
 
@@ -94,6 +95,7 @@ public function index() {
 		$data['entry_paid_status'] = $this->language->get('entry_paid_status');
 		$data['entry_confirmed_status'] = $this->language->get('entry_confirmed_status');
 		$data['entry_complete_status'] = $this->language->get('entry_complete_status');
+		$data['entry_underpaid_status'] = $this->language->get('entry_underpaid_status');
 		$data['entry_debug'] = $this->language->get('entry_debug');
 
 
@@ -121,6 +123,7 @@ public function index() {
 		$data['help_paid_status'] = $this->language->get('help_paid_status');
 		$data['help_confirmed_status'] = $this->language->get('help_confirmed_status');
 		$data['help_complete_status'] = $this->language->get('help_complete_status');
+		$data['help_underpaid_status'] = $this->language->get('help_underpaid_status');
 		$data['help_callback_url'] = $this->language->get('help_callback_url');
 		$data['help_return_url'] = $this->language->get('help_return_url');
 		$data['help_back_url'] = $this->language->get('help_back_url');
@@ -181,6 +184,7 @@ public function index() {
 		$data['order_statuses'] = $this->model_localisation_order_status->getOrderStatuses();
 		$data['mycelium_paid_status'] = (isset($this->request->post['mycelium_paid_status'])) ? $this->request->post['mycelium_paid_status'] : $this->setting('paid_status');
 		$data['mycelium_complete_status'] = (isset($this->request->post['mycelium_complete_status'])) ? $this->request->post['mycelium_complete_status'] : $this->setting('complete_status');
+		$data['mycelium_underpaid_status'] = (isset($this->request->post['mycelium_underpaid_status'])) ? $this->request->post['mycelium_underpaid_status'] : $this->setting('underpaid_status');
 
 		// #ADVANCED
 		$data['mycelium_callback_url'] = (isset($this->request->post['mycelium_callback_url'])) ? $this->request->post['mycelium_callback_url'] : $this->setting('callback_url');
@@ -378,14 +382,15 @@ public function install() {
 		$default_paid = null;
 		$default_confirmed = null;
 		$default_complete= null;
+		$default_underpaid = 'Failed'; // there is no default underpaid, needs to be added at Settings/Localisation/Order Statuses
 		foreach ($order_statuses as $order_status) {
 			if ($order_status['name'] == 'Processing') {
 				$default_paid = $order_status['order_status_id'];
 			} elseif ($order_status['name'] == 'Processed') {
 				$default_confirmed = $order_status['order_status_id'];
 			} elseif ($order_status['name'] == 'Complete') {
 				$default_complete = $order_status['order_status_id'];
-			}
+			} 
 		}
 		// default urls
 		$default_notify_url = $this->url->link('payment/mycelium/callback', $this->config->get('config_secure'));
@@ -426,6 +431,7 @@ public function install() {
 			'mycelium_paid_status' => $default_paid,
 			'mycelium_confirmed_status' => $default_confirmed,
 			'mycelium_complete_status' => $default_complete,
+			'mycelium_underpaid_status' => $default_underpaid,
 			'mycelium_valid_settings' => 'false',
 			'mycelium_debug' => '0',
 		);

upload/admin/language/english/payment/mycelium.php

@@ -41,6 +41,7 @@
 $_['entry_status']           = 'Status';
 $_['entry_paid_status']      = 'Paid Status';
 $_['entry_complete_status']  = 'Complete Status';
+$_['entry_underpaid_status'] = 'Underpaid Status';
 $_['entry_debug']            = 'Debug Logging';
 $_['entry_shifty']           = 'Enable Shifty button';
 $_['entry_reuse_time']       = 'Address reuse interval';
@@ -62,6 +63,7 @@
 $_['help_paid_status']       = 'A fully paid invoice awaiting confirmation';
 $_['help_confirmed_status']  = 'A confirmed invoice with based on the number of confirmations set for your Gateway.';
 $_['help_complete_status']   = 'A confirmed invoice with based on the number of confirmations set for your Gateway.';
+$_['help_underpaid_status']  = 'An order which has been underpaid. You should add a new order status at Settings/Localisation/Order Statuses.';
 $_['help_notify_url']        = 'Mycelium will post invoice status updates to this URL';
 $_['help_return_url']        = 'User will be redirected here after a successful payment.';
 $_['help_debug']             = 'Enabling debug will write sensitive data to a log file. You should always disable unless instructed otherwise';

upload/admin/view/template/payment/mycelium.tpl

@@ -218,6 +218,20 @@
                                     </select>
                                 </div>
                             </div>
+                            <div class="form-group">
+                                <label class="col-sm-2 control-label"><span data-toggle="tooltip" title="<?php echo $help_underpaid_status; ?>"><?php echo $entry_underpaid_status; ?></span></label>
+                                <div class="col-sm-10">
+                                    <select name="mycelium_underpaid_status" class="form-control">
+                                        <?php foreach ($order_statuses as $order_status) { ?>
+                                        <?php if ($order_status['order_status_id'] == $mycelium_underpaid_status) { ?>
+                                        <option value="<?php echo $order_status['order_status_id']; ?>" selected="selected"><?php echo $order_status['name']; ?></option>
+                                        <?php } else { ?>
+                                        <option value="<?php echo $order_status['order_status_id']; ?>"><?php echo $order_status['name']; ?></option>
+                                        <?php } ?>
+                                        <?php } ?>
+                                    </select>
+                                </div>
+                            </div>
                             <br>
                             <h3 class="col-sm-10 col-sm-offset-2<?php if ($error_notify_url || $error_return_url) { ?> text-danger<?php } ?>">
                                 <?php echo $text_advanced; ?>

upload/catalog/controller/payment/mycelium.php

@@ -266,6 +266,11 @@ public function callback() {
 				$order_message = $this->language->get('text_progress_complete');
 				$this->model_payment_mycelium->freeKeychainId($keychain_id);
 				break;
+			case '3':
+				// underpaid :P
+				$order_status_id = $this->setting('underpaid_status');
+				$order_message = $this->language->get('text_progress_underpaid');
+				break;
 			case '4':
 				// paid, confirmed, overpaid actually
 				$order_status_id = $this->setting('complete_status');