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Introduce StatusThreadingConcern (#3490)

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* Add a StatusFilter class to identify visibility of statuses by accounts

* Extract StatusThreadingConcern from Status

* Clarify purpose of checking for nil account
This commit is contained in:
Matt Jankowski 2017-06-05 10:07:44 -04:00 • committed by Eugen Rochko
parent c26cea262b
commit 6201f96b8a
6 changed files with 311 additions and 124 deletions
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30
app/models/status.rb
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@ -28,6 +28,7 @@ class Status < ApplicationRecord
include Paginable
include Streamable
include Cacheable
include StatusThreadingConcern
enum visibility: [:public, :unlisted, :private, :direct], _suffix: :visibility
@ -115,16 +116,6 @@ class Status < ApplicationRecord
private_visibility? || direct_visibility?
end
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) }
find_statuses_from_tree_path(ids, account)
end
def descendants(account = nil)
ids = (Status.find_by_sql(['WITH RECURSIVE search_tree(id, path) AS (SELECT id, ARRAY[id] FROM statuses WHERE 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', id]) - [self]).pluck(:id)
find_statuses_from_tree_path(ids, account)
end
def non_sensitive_with_media?
!sensitive? && media_attachments.any?
end
@ -277,23 +268,4 @@ class Status < ApplicationRecord
thread.account_id
end
end
def find_statuses_from_tree_path(ids, account)
statuses = Status.where(id: ids).includes(:account).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 filter_from_context?(status, account)
should_filter = account&.blocking?(status.account_id)
should_filter ||= account&.domain_blocking?(status.account_domain)
should_filter ||= account&.muting?(status.account_id)
should_filter ||= (status.account.silenced? && !account&.following?(status.account_id))
should_filter ||= !StatusPolicy.new(account, status).show?
should_filter
end
end