Allow to change active-admin namespace

README.md

@@ -28,6 +28,12 @@ In an initializer, include a line like the following:
 
     ActiveAdmin::AsyncExport.from_email_address = 'admin@topshelfclothes.com'
 
+### Change the active admin namespace
+
+If your namespace of active-admin is not Admin you can change it.
+
+    ActiveAdmin::AsyncExport.controller_namespace = 'Myadmin'
+
 ## Contributing
 
 1. Fork it

lib/active_admin/async_export.rb

@@ -14,5 +14,13 @@ def self.from_email_address=(address)
     def self.from_email_address
       @from_email_address || 'admin@example.com'
     end
+
+    def self.controller_namespace=(namespace)
+      @controller_namespace = namespace
+    end
+
+    def self.controller_namespace
+      @controller_namespace || 'Admin'
+    end
   end
 end

lib/active_admin/async_export/async_export_mailer.rb

@@ -4,7 +4,7 @@ class AsyncExportMailer < ActionMailer::Base
       def csv_export(admin_email, model_name, params_json)
         params = JSON.parse(params_json)
 
-        controller = Kernel::qualified_const_get("Admin::#{model_name}sController").new
+        controller = Kernel::qualified_const_get("#{ActiveAdmin::AsyncExport.controller_namespace}::#{model_name}sController").new
         controller.send('params=', params)
 
         config = controller.send(:active_admin_config)
@@ -19,7 +19,7 @@ def controller.find_collection(options = {})
             :pagination,
             :collection_decorator
           ]
-          
+
           collection = scoped_collection
           collection_applies(options).each do |applyer|
             collection = send("apply_#{applyer}", collection)