mirror of
https://github.com/lunaisnotaboy/mastodon.git
synced 2024-08-28 23:35:25 +00:00
* Add a StatusFilter class to identify visibility of statuses by accounts * Extract StatusThreadingConcern from Status * Clarify purpose of checking for nil account
90 lines
2.1 KiB
Ruby
90 lines
2.1 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
module StatusThreadingConcern
|
|
extend ActiveSupport::Concern
|
|
|
|
def ancestors(account = nil)
|
|
find_statuses_from_tree_path(ancestor_ids, account)
|
|
end
|
|
|
|
def descendants(account = nil)
|
|
find_statuses_from_tree_path(descendant_ids, account)
|
|
end
|
|
|
|
private
|
|
|
|
def ancestor_ids
|
|
Rails.cache.fetch("ancestors:#{id}") do
|
|
ancestors_without_self.pluck(:id)
|
|
end
|
|
end
|
|
|
|
def ancestors_without_self
|
|
ancestor_statuses - [self]
|
|
end
|
|
|
|
def ancestor_statuses
|
|
Status.find_by_sql([<<-SQL.squish, id: id])
|
|
WITH RECURSIVE search_tree(id, in_reply_to_id, path)
|
|
AS (
|
|
SELECT id, in_reply_to_id, ARRAY[id]
|
|
FROM statuses
|
|
WHERE id = :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
|
|
SQL
|
|
end
|
|
|
|
def descendant_ids
|
|
descendants_without_self.pluck(:id)
|
|
end
|
|
|
|
def descendants_without_self
|
|
descendant_statuses - [self]
|
|
end
|
|
|
|
def descendant_statuses
|
|
Status.find_by_sql([<<-SQL.squish, id: id])
|
|
WITH RECURSIVE search_tree(id, path)
|
|
AS (
|
|
SELECT id, ARRAY[id]
|
|
FROM statuses
|
|
WHERE id = :id
|
|
UNION ALL
|
|
SELECT statuses.id, path || statuses.id
|
|
FROM search_tree
|
|
JOIN statuses ON statuses.in_reply_to_id = search_tree.id
|
|
WHERE NOT statuses.id = ANY(path)
|
|
)
|
|
SELECT id
|
|
FROM search_tree
|
|
ORDER BY path
|
|
SQL
|
|
end
|
|
|
|
def find_statuses_from_tree_path(ids, account)
|
|
statuses = statuses_with_accounts(ids).to_a
|
|
|
|
# FIXME: n+1 bonanza
|
|
statuses.reject! { |status| filter_from_context?(status, account) }
|
|
|
|
# Order ancestors/descendants by tree path
|
|
statuses.sort_by! { |status| ids.index(status.id) }
|
|
end
|
|
|
|
def statuses_with_accounts(ids)
|
|
Status.where(id: ids).includes(:account)
|
|
end
|
|
|
|
def filter_from_context?(status, account)
|
|
StatusFilter.new(status, account).filtered?
|
|
end
|
|
end
|