Add number of subscribers to segment selection

assets/js/src/newsletters/send/notification.jsx

@@ -39,6 +39,13 @@ define(
         filter: function(segment) {
           return !!(!segment.deleted_at);
         },
+        getLabel: function(segment) {
+          var name = segment.name;
+          if (segment.subscribers > 0) {
+            name += ' (%$1s)'.replace('%$1s', segment.subscribers);
+          }
+          return name;
+        },
         validation: {
           'data-parsley-required': true,
           'data-parsley-required-message': MailPoet.I18n.t('noSegmentsSelectedError')

assets/js/src/newsletters/send/standard.jsx

@@ -31,6 +31,13 @@ define(
         filter: function(segment) {
           return !!(!segment.deleted_at);
         },
+        getLabel: function(segment) {
+          var name = segment.name;
+          if (segment.subscribers > 0) {
+            name += ' (%$1s)'.replace('%$1s', segment.subscribers);
+          }
+          return name;
+        },
         validation: {
           'data-parsley-required': true,
           'data-parsley-required-message': MailPoet.I18n.t('noSegmentsSelectedError')

assets/js/src/newsletters/types/welcome/scheduling.jsx

@@ -32,7 +32,11 @@ define(
     var availableSegmentValues = _.object(_.map(
       availableSegments,
       function(segment) {
-        return [segment.id, segment.name];
+        var name = segment.name;
+        if (segment.subscribers > 0) {
+          name += ' (%$1d)'.replace('%$1d', segment.subscribers);
+        }
+        return [segment.id, name];
       }
     ));
     var segmentField = {

lib/Config/Menu.php

@@ -364,7 +364,7 @@ class Menu {
 
     $data = array();
 
-    $data['segments'] = Segment::getPublished()->findArray();
+    $data['segments'] = Segment::getSegmentsWithSubscriberCount();
     $data['settings'] = Setting::getAll();
     $data['roles'] = $wp_roles->get_names();
     $data['roles']['mailpoet_all'] = __('In any WordPress role');