hometown/lib/mastodon/statuses_cli.rb

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# frozen_string_literal: true
require_relative '../../config/boot'
require_relative '../../config/environment'
require_relative 'cli_helper'
module Mastodon
class StatusesCLI < Thor
include ActionView::Helpers::NumberHelper
def self.exit_on_failure?
true
end
option :days, type: :numeric, default: 90
option :clean_followed, type: :boolean
desc 'remove', 'Remove unreferenced statuses'
long_desc <<~LONG_DESC
Remove statuses that are not referenced by local user activity, such as
ones that came from relays, or belonging to users that were once followed
by someone locally but no longer are.
This is a computationally heavy procedure that creates extra database
indices before commencing, and removes them afterward.
LONG_DESC
def remove
say('Creating temporary database indices...')
ActiveRecord::Base.connection.add_index(:accounts, :id, name: :index_accounts_local, where: 'domain is null', algorithm: :concurrently) unless ActiveRecord::Base.connection.index_name_exists?(:accounts, :index_accounts_local)
ActiveRecord::Base.connection.add_index(:status_pins, :status_id, name: :index_status_pins_status_id, algorithm: :concurrently) unless ActiveRecord::Base.connection.index_name_exists?(:status_pins, :index_status_pins_status_id)
ActiveRecord::Base.connection.add_index(:media_attachments, :remote_url, name: :index_media_attachments_remote_url, where: 'remote_url is not null', algorithm: :concurrently) unless ActiveRecord::Base.connection.index_name_exists?(:media_attachments, :index_media_attachments_remote_url)
max_id = Mastodon::Snowflake.id_at(options[:days].days.ago)
start_at = Time.now.to_f
say('Beginning removal... This might take a while...')
scope = Status.remote.where('id < ?', max_id)
# Skip reblogs of local statuses
scope = scope.where('reblog_of_id NOT IN (SELECT statuses1.id FROM statuses AS statuses1 WHERE statuses1.id = statuses.reblog_of_id AND (statuses1.uri IS NULL OR statuses1.local))')
# Skip statuses that are pinned on profiles
scope = scope.where('id NOT IN (SELECT status_pins.status_id FROM status_pins WHERE statuses.id = status_id)')
# Skip statuses that mention local accounts
scope = scope.where('id NOT IN (SELECT mentions.status_id FROM mentions WHERE statuses.id = mentions.status_id AND mentions.account_id IN (SELECT accounts.id FROM accounts WHERE domain IS NULL))')
# Skip statuses which have replies
scope = scope.where('id NOT IN (SELECT statuses1.in_reply_to_id FROM statuses AS statuses1 WHERE statuses.id = statuses1.in_reply_to_id)')
# Skip statuses reblogged by local accounts or with recent boosts
scope = scope.where('id NOT IN (SELECT statuses1.reblog_of_id FROM statuses AS statuses1 WHERE statuses.id = statuses1.reblog_of_id AND (statuses1.uri IS NULL OR statuses1.local OR statuses1.id >= ?))', max_id)
# Skip statuses favourited by local users
scope = scope.where('id NOT IN (SELECT favourites.status_id FROM favourites WHERE statuses.id = favourites.status_id AND favourites.account_id IN (SELECT accounts.id FROM accounts WHERE domain IS NULL))')
# Skip statuses bookmarked by local users
scope = scope.where('id NOT IN (SELECT bookmarks.status_id FROM bookmarks WHERE statuses.id = bookmarks.status_id AND bookmarks.account_id IN (SELECT accounts.id FROM accounts WHERE domain IS NULL))')
unless options[:clean_followed]
# Skip accounts followed by local accounts
scope = scope.where('account_id NOT IN (SELECT follows.target_account_id FROM follows WHERE statuses.account_id = follows.target_account_id)')
end
scope.in_batches.delete_all
say('Beginning removal of now-orphaned media attachments to free up disk space...')
Scheduler::MediaCleanupScheduler.new.perform
say("Done after #{Time.now.to_f - start_at}s", :green)
ensure
say('Removing temporary database indices to restore write performance...')
ActiveRecord::Base.connection.remove_index(:accounts, name: :index_accounts_local) if ActiveRecord::Base.connection.index_name_exists?(:accounts, :index_accounts_local)
ActiveRecord::Base.connection.remove_index(:status_pins, name: :index_status_pins_status_id) if ActiveRecord::Base.connection.index_name_exists?(:status_pins, :index_status_pins_status_id)
ActiveRecord::Base.connection.remove_index(:media_attachments, name: :index_media_attachments_remote_url) if ActiveRecord::Base.connection.index_name_exists?(:media_attachments, :index_media_attachments_remote_url)
end
end
end