Update profile information and download avatar of remote accounts

app/services/update_remote_profile_service.rb

@@ -0,0 +1,19 @@
+class UpdateRemoteProfileService < BaseService
+  def call(author_xml, account)
+    if author_xml.at_xpath('./poco:displayName').nil?
+      account.display_name = account.username
+    else
+      account.display_name = author_xml.at_xpath('./poco:displayName').content
+    end
+
+    unless author_xml.at_xpath('./poco:note').nil?
+      account.note = author_xml.at_xpath('./poco:note').content
+    end
+
+    unless author_xml.at_xpath('./xmlns:link[@rel="avatar"]').nil?
+      account.avatar_remote_url = author_xml.at_xpath('./xmlns:link[@rel="avatar"]').attribute('href').value
+    end
+
+    account.save!
+  end
+end