rake task to patch in media attachments from Gab.com

lib/tasks/media_attachment_serializer.rb

@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+class REST::MediaAttachmentSerializer < ActiveModel::Serializer
+  include RoutingHelper
+
+  attributes :id, :type, :url, :preview_url,
+             :remote_url, :text_url, :meta,
+             :description, :blurhash
+
+  def id
+    object.id.to_s
+  end
+
+  def url
+    if object.file_file_name and object.file_file_name.start_with? "gab://media/"
+      return object.file_file_name.sub("gab://media/", "").sub("https://gabfiles.blob.core.windows.net/", "https://gab.com/media/").sub("https://files.gab.com/file/files-gab/", "https://gab.com/media/").split("|")[1]
+    end
+
+    if object.needs_redownload?
+      media_proxy_url(object.id, :original)
+    else
+      full_asset_url(object.file.url(:original))
+    end
+  end
+
+  def remote_url
+    object.remote_url.presence
+  end
+
+  def preview_url
+    if object.file_file_name and object.file_file_name.start_with? "gab://media/"
+      return object.file_file_name.sub("gab://media/", "").sub("https://gabfiles.blob.core.windows.net/", "https://gab.com/media/").sub("https://files.gab.com/file/files-gab/", "https://gab.com/media/").split("|")[0]
+    end
+
+    if object.needs_redownload?
+      media_proxy_url(object.id, :small)
+    else
+      full_asset_url(object.file.url(:small))
+    end
+  end
+
+  def text_url
+    object.local? ? medium_url(object) : nil
+  end
+
+  def meta
+    object.file.meta
+  end
+end