Move from LocalFileUploader to FileUploader mixin

So that S3 Uploads benefit from the change as well

[ci skip]

app/uploaders/file_uploader.rb

@@ -47,6 +47,39 @@ module FileUploader
     file && File.readable?(local_file)
   end
 
+  # Delete cache and old rack file after store
+  # cf. https://github.com/carrierwaveuploader/carrierwave/wiki/How-to:-Delete-cache-garbage-directories
+
+  before :store, :remember_cache_id
+  after :store, :delete_tmp_dir
+  after :store, :delete_old_tmp_file
+
+   # store! nil's the cache_id after it finishes so we need to remember it for deletion
+   def remember_cache_id(_new_file)
+    @cache_id_was = cache_id
+  end
+
+  def delete_tmp_dir(_new_file)
+    # make sure we don't delete other things accidentally by checking the name pattern
+    if @cache_id_was.present? && @cache_id_was =~ /\A[\d]{8}\-[\d]{4}\-[\d]+\-[\d]{4}\z/
+      FileUtils.rm_rf(File.join(cache_dir, @cache_id_was))
+    end
+  rescue => e
+    Rails.logger.error "Failed cleanup of upload file #{@cache_id_was}: #{e}"
+  end
+
+  # remember the tmp file
+  def cache!(new_file)
+    super
+    @old_tmp_file = new_file
+  end
+
+  def delete_old_tmp_file(_dummy)
+    @old_tmp_file.try :delete
+  rescue => e
+    Rails.logger.error "Failed cleanup of temporary upload file: #{e}"
+  end
+
   module ClassMethods
     def cache_dir
       @cache_dir ||= File.join(Dir.tmpdir, 'op_uploaded_files')

app/uploaders/local_file_uploader.rb

@@ -40,37 +40,4 @@ class LocalFileUploader < CarrierWave::Uploader::Base
     dir = "#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
     OpenProject::Configuration.attachments_storage_path.join(dir)
   end
-
-  # Delete cache and old rack file after store
-  # cf. https://github.com/carrierwaveuploader/carrierwave/wiki/How-to:-Delete-cache-garbage-directories
-
-  before :store, :remember_cache_id
-  after :store, :delete_tmp_dir
-  after :store, :delete_old_tmp_file
-
-   # store! nil's the cache_id after it finishes so we need to remember it for deletion
-   def remember_cache_id(_new_file)
-    @cache_id_was = cache_id
-  end
-
-  def delete_tmp_dir(_new_file)
-    # make sure we don't delete other things accidentally by checking the name pattern
-    if @cache_id_was.present? && @cache_id_was =~ /\A[\d]{8}\-[\d]{4}\-[\d]+\-[\d]{4}\z/
-      FileUtils.rm_rf(File.join(cache_dir, @cache_id_was))
-    end
-  rescue => e
-    Rails.logger.error "Failed cleanup of upload file #{@cache_id_was}: #{e}"
-  end
-
-  # remember the tmp file
-  def cache!(new_file)
-    super
-    @old_tmp_file = new_file
-  end
-
-  def delete_old_tmp_file(_dummy)
-    @old_tmp_file.try :delete
-  rescue => e
-    Rails.logger.error "Failed cleanup of temporary upload file: #{e}"
-  end
 end