From e9810cbad61625771c4d0a8de25211795f03d82e Mon Sep 17 00:00:00 2001 From: alpaca-tc Date: Sat, 13 May 2017 22:56:12 +0900 Subject: [PATCH] Fixes NoMethodError: undefined method 'first' for nil:NilClass (#3036) --- app/models/status.rb | 2 +- spec/models/status_spec.rb | 13 +++++++++++++ 2 files changed, 14 insertions(+), 1 deletion(-) diff --git a/app/models/status.rb b/app/models/status.rb index 14c6dd9f6..772cef238 100644 --- a/app/models/status.rb +++ b/app/models/status.rb @@ -124,7 +124,7 @@ class Status < ApplicationRecord def ancestors(account = nil) ids = Rails.cache.fetch("ancestors:#{id}") { (Status.find_by_sql(['WITH RECURSIVE search_tree(id, in_reply_to_id, path) AS (SELECT id, in_reply_to_id, ARRAY[id] FROM statuses WHERE id = ? UNION ALL SELECT statuses.id, statuses.in_reply_to_id, path || statuses.id FROM search_tree JOIN statuses ON statuses.id = search_tree.in_reply_to_id WHERE NOT statuses.id = ANY(path)) SELECT id FROM search_tree ORDER BY path DESC', id]) - [self]).pluck(:id) } statuses = Status.where(id: ids).group_by(&:id) - results = ids.map { |id| statuses[id].first } + results = ids.map { |id| statuses[id]&.first }.compact results = results.reject { |status| filter_from_context?(status, account) } results diff --git a/spec/models/status_spec.rb b/spec/models/status_spec.rb index b21fcd190..f9f5c1603 100644 --- a/spec/models/status_spec.rb +++ b/spec/models/status_spec.rb @@ -179,6 +179,19 @@ RSpec.describe Status, type: :model do end end + describe '#ancestors' do + it 'ignores deleted records' do + first_status = Fabricate(:status, account: bob) + second_status = Fabricate(:status, thread: first_status, account: alice) + + # Create cache and delete cached record + second_status.ancestors + first_status.destroy + + expect(second_status.ancestors).to eq([]) + end + end + describe '#filter_from_context?' do pending end