Add CSV download for ordergroups

lib/ordergroups_csv.rb

@@ -0,0 +1,41 @@
+class OrdergroupsCsv < RenderCSV
+  include ApplicationHelper
+
+  def header
+    row = [
+      Ordergroup.human_attribute_name(:id),
+      Ordergroup.human_attribute_name(:name),
+      Ordergroup.human_attribute_name(:description),
+      Ordergroup.human_attribute_name(:account_balance),
+      Ordergroup.human_attribute_name(:created_on),
+      Ordergroup.human_attribute_name(:contact_person),
+      Ordergroup.human_attribute_name(:contact_phone),
+      Ordergroup.human_attribute_name(:contact_address),
+      Ordergroup.human_attribute_name(:break_start),
+      Ordergroup.human_attribute_name(:break_end),
+      Ordergroup.human_attribute_name(:last_user_activity),
+      Ordergroup.human_attribute_name(:last_order),
+    ]
+    row + Ordergroup.custom_fields.map { |f| f[:label] }
+  end
+
+  def data
+    @object.each do |o|
+      row = [
+        o.id,
+        o.name,
+        o.description,
+        o.account_balance,
+        o.created_on,
+        o.contact_person,
+        o.contact_phone,
+        o.contact_address,
+        o.break_start,
+        o.break_end,
+        o.last_user_activity,
+        o.last_order.try(:starts),
+      ]
+      yield row + Ordergroup.custom_fields.map { |f| o.settings.custom_fields[f[:name]] }
+    end
+  end
+end