vt-social/app/services/clear_domain_media_service.rb

71 lines
1.8 KiB
Ruby

# frozen_string_literal: true
class ClearDomainMediaService < BaseService
attr_reader :domain_block
def call(domain_block)
@domain_block = domain_block
clear_media! if domain_block.reject_media?
end
private
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 clear_media!
@affected_status_ids = []
begin
clear_account_images!
clear_account_attachments!
clear_emojos!
ensure
invalidate_association_caches!
end
end
def clear_account_images!
blocked_domain_accounts.reorder(nil).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.reorder(nil).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.by_domain_and_subdomains(blocked_domain)
end
def media_from_blocked_domain
MediaAttachment.joins(:account).merge(blocked_domain_accounts).reorder(nil)
end
def emojis_from_blocked_domains
CustomEmoji.by_domain_and_subdomains(blocked_domain)
end
end