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