Discard misattributed remote statuses, improve timelines filter

app/models/status.rb

@@ -121,6 +121,7 @@ class Status < ApplicationRecord
 
     def filter_timeline(query, account)
       blocked = Block.where(account: account).pluck(:target_account_id)
+      return query if blocked.empty?
 
       query
         .joins('LEFT OUTER JOIN statuses AS parents ON statuses.in_reply_to_id = parents.id')

app/services/process_feed_service.rb

@@ -48,6 +48,8 @@ class ProcessFeedService < BaseService
         if original_status.nil?
           status.destroy
           return nil
+        elsif original_status.reblog?
+          status.reblog = original_status.reblog
         end
       end
 
@@ -73,11 +75,18 @@ class ProcessFeedService < BaseService
       status = find_status(id(entry))
       return status unless status.nil?
 
+      # If status embeds an author, find that author
+      # If that author cannot be found, don't record the status (do not misattribute)
+      if account?(entry)
         begin
-        account = account?(entry) ? find_or_resolve_account(acct(entry)) : @account
+          account = find_or_resolve_account(acct(entry))
+          return nil if account.nil?
         rescue Goldfinger::Error
           return nil
         end
+      else
+        account = @account
+      end
 
       status = Status.create!({
         uri: id(entry),

spec/rails_helper.rb

@@ -15,6 +15,7 @@ Sidekiq::Testing.inline!
 RSpec.configure do |config|
   config.fixture_path = "#{::Rails.root}/spec/fixtures"
   config.use_transactional_fixtures = true
+  config.order = 'random'
   config.infer_spec_type_from_file_location!
   config.filter_rails_from_backtrace!