Receipt example

spec/example_app/app/dashboards/payment_dashboard.rb

@@ -1,15 +1,18 @@
+require "administrate/field/receipt_link"
 require "administrate/base_dashboard"
 
 class PaymentDashboard < Administrate::BaseDashboard
   ATTRIBUTE_TYPES = {
     id: Field::Number,
+    receipt: Field::ReceiptLink,
     created_at: Field::DateTime,
     updated_at: Field::DateTime,
     order: Field::BelongsTo
   }
 
   COLLECTION_ATTRIBUTES = [
-    :id
+    :id,
+    :receipt
   ]
 
   SHOW_PAGE_ATTRIBUTES = ATTRIBUTE_TYPES.keys

spec/example_app/app/views/fields/receipt_link/_index.html.erb

@@ -0,0 +1 @@
+<%= link_to field.filename, field.data %>

spec/example_app/lib/administrate/field/receipt_link.rb

@@ -0,0 +1,15 @@
+require "administrate/field/base"
+
+module Administrate
+  module Field
+    class ReceiptLink < Base
+      def data
+        "/files/receipts/#{filename}"
+      end
+
+      def filename
+        "receipt-#{resource.id}.pdf"
+      end
+    end
+  end
+end