catstodon/app/services/block_domain_service.rb
Eugen Rochko 64db9ed5f6
After blocking domain with reject_media, invalidate cache (#6679)
Media attachments are part of the association cache of statuses,
since they are presumed to be immutable. Unless this cache is
cleared manually, the statuses will continue to look like they
have media embedded.
2018-03-08 06:59:42 +01:00

89 lines
2.2 KiB
Ruby

# frozen_string_literal: true
class BlockDomainService < BaseService
attr_reader :domain_block
def call(domain_block)
@domain_block = domain_block
process_domain_block!
end
private
def process_domain_block!
clear_media! if domain_block.reject_media?
if domain_block.silence?
silence_accounts!
elsif domain_block.suspend?
suspend_accounts!
end
end
def invalidate_association_caches!
# Normally, associated models of a status are immutable (except for accounts)
# so they are aggressively cached. After updating the media attachments to no
# longer point to a local file, we need to clear the cache to make those
# changes appear in the API and UI
@affected_status_ids.each { |id| Rails.cache.delete_matched("statuses/#{id}-*") }
end
def silence_accounts!
blocked_domain_accounts.in_batches.update_all(silenced: true)
end
def clear_media!
@affected_status_ids = []
clear_account_images!
clear_account_attachments!
clear_emojos!
invalidate_association_caches!
end
def suspend_accounts!
blocked_domain_accounts.where(suspended: false).find_each do |account|
UnsubscribeService.new.call(account) if account.subscribed?
SuspendAccountService.new.call(account)
end
end
def clear_account_images!
blocked_domain_accounts.find_each do |account|
account.avatar.destroy if account.avatar.exists?
account.header.destroy if account.header.exists?
account.save
end
end
def clear_account_attachments!
media_from_blocked_domain.find_each do |attachment|
@affected_status_ids << attachment.status_id if attachment.status_id.present?
attachment.file.destroy if attachment.file.exists?
attachment.type = :unknown
attachment.save
end
end
def clear_emojos!
emojis_from_blocked_domains.destroy_all
end
def blocked_domain
domain_block.domain
end
def blocked_domain_accounts
Account.where(domain: blocked_domain)
end
def media_from_blocked_domain
MediaAttachment.joins(:account).merge(blocked_domain_accounts).reorder(nil)
end
def emojis_from_blocked_domains
CustomEmoji.where(domain: blocked_domain)
end
end