Adds IP address field to export

lib/Subscribers/ImportExport/Export/Export.php

@@ -181,6 +181,7 @@ class Export {
       'first_name',
       'last_name',
       'email',
+      'subscribed_ip',
       array(
         'global_status' => Subscriber::$_table . '.status'
       ),

lib/Subscribers/ImportExport/ImportExportFactory.php

@@ -33,12 +33,13 @@ class ImportExportFactory {
       'first_name' => __('First name', 'mailpoet'),
       'last_name' => __('Last name', 'mailpoet')
     );
-    if ($this->action === 'export') {
+    if($this->action === 'export') {
       $fields = array_merge(
         $fields,
         array(
           'list_status' => _x('List status', 'Subscription status', 'mailpoet'),
-          'global_status' => _x('Global status', 'Subscription status', 'mailpoet')
+          'global_status' => _x('Global status', 'Subscription status', 'mailpoet'),
+          'subscribed_ip' => __('IP address', 'mailpoet')
         )
       );
     }

tests/unit/Subscribers/ImportExport/ImportExportFactoryTest.php

@@ -122,7 +122,8 @@ class ImportExportFactoryTest extends \MailPoetTest {
       'first_name',
       'last_name',
       'list_status',
-      'global_status'
+      'global_status',
+      'subscribed_ip'
     );
     foreach($export_fields as $field) {
       expect(in_array($field, array_keys($subsriberFields)))->true();