Adding backtracing to Salmon/Processing workers

app/models/subscription.rb

 # frozen_string_literal: true
 
 class Subscription < ApplicationRecord
-  MIN_EXPIRATION = 3600 * 24
+  MIN_EXPIRATION = 3600 * 24 * 7
   MAX_EXPIRATION = 3600 * 24 * 30
 
   belongs_to :account

app/services/update_remote_profile_service.rb

@@ -5,6 +5,8 @@ class UpdateRemoteProfileService < BaseService
   DFRN_NS = 'http://purl.org/macgirvin/dfrn/1.0'
 
   def call(xml, account, resubscribe = false)
+    return if xml.nil?
+
     author_xml = xml.at_xpath('./xmlns:author') || xml.at_xpath('./dfrn:owner', dfrn: DFRN_NS)
     hub_link   = xml.at_xpath('./xmlns:link[@rel="hub"]')
 

app/workers/processing_worker.rb

@@ -2,6 +2,7 @@
 
 class ProcessingWorker
   include Sidekiq::Worker
+  sidekiq_options backtrace: true
 
   def perform(account_id, body)
     ProcessFeedService.new.call(body, Account.find(account_id))

app/workers/salmon_worker.rb

@@ -2,6 +2,7 @@
 
 class SalmonWorker
   include Sidekiq::Worker
+  sidekiq_options backtrace: true
 
   def perform(account_id, body)
     ProcessInteractionService.new.call(body, Account.find(account_id))