Add CSV download for ordergroups

app/controllers/admin/ordergroups_controller.rb

@@ -5,6 +5,10 @@ class Admin::OrdergroupsController < Admin::BaseController
   def index
     @ordergroups = Ordergroup.undeleted.order('name ASC')
 
+    if request.format.csv?
+      send_data OrdergroupsCsv.new(@ordergroups).to_csv, filename: 'ordergroups.csv', type: 'text/csv'
+    end
+
     # if somebody uses the search field:
     unless params[:query].blank?
       @ordergroups = @ordergroups.where('name LIKE ?', "%#{params[:query]}%")

app/models/ordergroup.rb

@@ -39,6 +39,12 @@ class Ordergroup < Group
       .group('groups.id')
   end
 
+  def self.custom_fields
+    fields = FoodsoftConfig[:custom_fields] && FoodsoftConfig[:custom_fields][:ordergroup]
+    return [] unless fields
+    fields.map(&:deep_symbolize_keys)
+  end
+
   def last_user_activity
     last_active_user = users.order('users.last_activity DESC').first
     if last_active_user

app/views/admin/ordergroups/index.html.haml

@@ -2,6 +2,9 @@
 
 - content_for :actionbar do
   = link_to t('.new_ordergroup'), new_admin_ordergroup_path, class: 'btn btn-primary'
+  = link_to url_for(search: params[:q], format: :csv), class: 'btn' do
+    = glyph :download
+    CSV
 
 - content_for :sidebar do
   %p= t('.first_paragraph', url: link_to(t('.new_ordergroups'), new_admin_ordergroup_path)).html_safe

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