REW-2045 - adds download_link method for dragonfly adapter and use this method on import table, this method can then be overwritten in file processor model's so custom logic can be added.

Author: reissjohnson

app/models/concerns/csv2db/active_storage_adapter.rb

@@ -28,12 +28,15 @@ def file=(file)
     self.file_name = filename
   end
 
-  def download_link(expires_in: LINK_MAX_EXPIRY)
-    return unless file_attachment.present?
+  def download_link
+    return unless file_attachment.present? && file_attachment.attached?
 
     set_current_host
 
-    file_attachment.service_url(expires_in: expires_in.to_i, disposition: 'attachment')
+    file_attachment.service_url(
+      expires_in: LINK_MAX_EXPIRY.to_i,
+      disposition: 'attachment'
+    )
   end
 
   private

app/models/concerns/csv2db/dragonfly_adapter.rb

@@ -11,6 +11,10 @@ module Csv2db::DragonflyAdapter
     validate :check_file_extension
   end
 
+  def download_link
+    file.url
+  end
+
   private
 
   def check_file_extension

app/views/csv2db/_csv_import_table.html.haml

@@ -15,10 +15,7 @@
     %tr
       %td= import.id
       %td= import.created_at
-      - if Csv2db.config.storage_adapter.active_storage?
-        %td= link_to import.file_name, import.download_link
-      - else
-        %td= link_to import.file.name, import.file.url, target: '_blank'
+      %td= link_to(import.file_name, import.download_link)
       %td
         .badge{ class: "badge-upload-#{import.status}" }= import.status
       %td