function column_last_purchase($item)
 {
     if ($item['order_id'] && !empty($item['order_id'])) {
         $order = wc_get_order($item['order_id']);
         if ($order) {
             return '<a href="' . get_edit_post_link($item['order_id']) . '">#' . $order->get_order_number() . '</a> - ' . woocommerce_crm_get_pretty_time($item['order_id']);
         } else {
             return '';
         }
     } else {
         return '';
     }
 }
 /**
  * Handle CSV file download
  */
 function export_csv()
 {
     header('Content-Type: application/csv');
     header('Content-Disposition: attachment; filename=customers_' . date('Y-m-d') . '.csv');
     header('Pragma: no-cache');
     $__wc_crm_customer_details = new WC_Crm_Customer_Details(0, 0);
     $__wc_crm_customer_details->init_address_fields('', '', false);
     $__b_address = $__wc_crm_customer_details->billing_fields;
     $__s_address = $__wc_crm_customer_details->shipping_fields;
     $o = WC_CRM()->orders();
     $data = $o->get_orders();
     echo '"Customer name",';
     foreach ($__b_address as $key => $label) {
         if ($key == 'first_name' || $key == 'last_name') {
             continue;
         }
         echo '"Billing ' . $label['label'] . '",';
     }
     foreach ($__s_address as $key => $label) {
         if ($key == 'first_name' || $key == 'last_name') {
             continue;
         }
         echo '"Shipping ' . $label['label'] . '",';
     }
     echo '"Username",';
     echo '"Last purchase date",';
     echo '"Number of orders",';
     echo '"Total value",';
     echo "\"Subscribed\"\n";
     if (woocommerce_crm_mailchimp_enabled()) {
         $members = woocommerce_crm_get_members();
     }
     foreach ($data as $item) {
         //$item = get_object_vars ( $customer );
         if ($item['user_id']) {
             $user_id = $item['user_id'];
             $wc_crm_customer_details = new WC_Crm_Customer_Details($user_id, 0);
             $wc_crm_customer_details->init_address_fields('', '', false);
             $b_address = $wc_crm_customer_details->billing_fields;
             $s_address = $wc_crm_customer_details->shipping_fields;
             $data = get_user_meta($item['user_id']);
             echo '"' . $data['first_name'][0] . ' ' . $data['last_name'][0] . '",';
             foreach ($b_address as $key => $value) {
                 if ($key == 'first_name' || $key == 'last_name') {
                     continue;
                 }
                 if ($key == 'country') {
                     echo '"' . $item['country'] . '",';
                     continue;
                 }
                 if ($key == 'email') {
                     echo '"' . $item['email'] . '",';
                     continue;
                 }
                 $field_name = 'billing_' . $key;
                 $field_value = get_user_meta($user_id, $field_name, true);
                 echo '"' . $field_value . '",';
             }
             foreach ($s_address as $key => $value) {
                 if ($key == 'first_name' || $key == 'last_name') {
                     continue;
                 }
                 $field_name = 'shipping_' . $key;
                 $field_value = get_user_meta($user_id, $field_name, true);
                 echo '"' . $field_value . '",';
             }
             $user = @get_userdata($user_id);
             echo '"' . (isset($user->user_login) ? $user->user_login : __('Guest', 'wc_customer_relationship_manager')) . '",';
             $item['num_orders'] = wc_crm_get_num_orders($item['user_id']);
             $item['total_spent'] = wc_crm_get_order_value($item['user_id']);
         } else {
             $order_id = $item['order_id'];
             $user_id = 0;
             $order = new WC_Order($order_id);
             $wc_crm_customer_details_g = new WC_Crm_Customer_Details(0, $order_id);
             $wc_crm_customer_details_g->init_address_fields('', '', false);
             $b_address = $wc_crm_customer_details_g->billing_fields;
             $s_address = $wc_crm_customer_details_g->shipping_fields;
             $first_name = get_post_meta($item['order_id'], '_billing_first_name', true);
             $last_name = get_post_meta($item['order_id'], '_billing_last_name', true);
             echo '"' . $first_name . ' ' . $last_name . '",';
             foreach ($b_address as $key => $value) {
                 if ($key == 'first_name' || $key == 'last_name') {
                     continue;
                 }
                 if ($key == 'country') {
                     echo '"' . $item['country'] . '",';
                     continue;
                 }
                 if ($key == 'email') {
                     echo '"' . $item['email'] . '",';
                     continue;
                 }
                 $name_var = 'billing_' . $key;
                 $field_value = $wc_crm_customer_details_g->order->{$name_var};
                 echo '"' . $field_value . '",';
             }
             foreach ($s_address as $key => $value) {
                 if ($key == 'first_name' || $key == 'last_name') {
                     continue;
                 }
                 $var_name = 'shipping_' . $key;
                 $field_value = $wc_crm_customer_details_g->order->{$name_var};
                 echo '"' . $field_value . '",';
             }
             echo '"' . __('Guest', 'wc_customer_relationship_manager') . '",';
             $item['num_orders'] = wc_crm_get_num_orders($item['email'], '_billing_email', true);
             $item['total_spent'] = wc_crm_get_order_value($item['email'], '_billing_email', true);
         }
         $total_spent = wc_crm_price_num_decimals($item['total_spent']);
         $last_purchase = $item['order_id'] ? woocommerce_crm_get_pretty_time($item['order_id'], true) : '';
         echo '"' . $last_purchase . '",';
         echo '"' . $item['num_orders'] . '",';
         if (woocommerce_crm_mailchimp_enabled()) {
             $enrolled_plain = in_array($item['email'], $members) ? 'yes' : 'no';
             echo '"' . $total_spent . '",';
             echo '"' . $enrolled_plain . "\"\n";
         } else {
             echo '"' . $total_spent . "\"\n";
         }
     }
 }