lib/mastodon/cli/maintenance.rb
# frozen_string_literal: true
require_relative 'base'
module Mastodon::CLI
class Maintenance < Base
MIN_SUPPORTED_VERSION = 2019_10_01_213028
MAX_SUPPORTED_VERSION = 2023_09_07_150100
# Stubs to enjoy ActiveRecord queries while not depending on a particular
# version of the code/database
class Status < ApplicationRecord; end
class StatusPin < ApplicationRecord; end
class Poll < ApplicationRecord; end
class Report < ApplicationRecord; end
class Tombstone < ApplicationRecord; end
class Favourite < ApplicationRecord; end
class Follow < ApplicationRecord; end
class FollowRequest < ApplicationRecord; end
class Block < ApplicationRecord; end
class Mute < ApplicationRecord; end
class AccountIdentityProof < ApplicationRecord; end
class AccountModerationNote < ApplicationRecord; end
class AccountPin < ApplicationRecord; end
class ListAccount < ApplicationRecord; end
class PollVote < ApplicationRecord; end
class Mention < ApplicationRecord; end
class AccountDomainBlock < ApplicationRecord; end
class AnnouncementReaction < ApplicationRecord; end
class FeaturedTag < ApplicationRecord; end
class CustomEmoji < ApplicationRecord; end
class CustomEmojiCategory < ApplicationRecord; end
class Bookmark < ApplicationRecord; end
class WebauthnCredential < ApplicationRecord; end
class FollowRecommendationSuppression < ApplicationRecord; end
class CanonicalEmailBlock < ApplicationRecord; end
class Appeal < ApplicationRecord; end
class Webhook < ApplicationRecord; end
class BulkImport < ApplicationRecord; end
class SoftwareUpdate < ApplicationRecord; end
class PreviewCard < ApplicationRecord
self.inheritance_column = false
end
class MediaAttachment < ApplicationRecord
self.inheritance_column = nil
end
class AccountStat < ApplicationRecord
belongs_to :account, inverse_of: :account_stat
end
# Dummy class, to make migration possible across version changes
class Account < ApplicationRecord
has_one :user, inverse_of: :account
has_one :account_stat, inverse_of: :account
scope :local, -> { where(domain: nil) }
def local?
domain.nil?
end
def acct
local? ? username : "#{username}@#{domain}"
end
# This is a duplicate of the AccountMerging concern because we need it to
# be independent from code version.
def merge_with!(other_account)
# Since it's the same remote resource, the remote resource likely
# already believes we are following/blocking, so it's safe to
# re-attribute the relationships too. However, during the presence
# of the index bug users could have *also* followed the reference
# account already, therefore mass update will not work and we need
# to check for (and skip past) uniqueness errors
owned_classes = [
Status, StatusPin, MediaAttachment, Poll, Report, Tombstone, Favourite,
Follow, FollowRequest, Block, Mute,
AccountModerationNote, AccountPin, AccountStat, ListAccount,
PollVote, Mention
]
owned_classes << AccountDeletionRequest if ActiveRecord::Base.connection.table_exists?(:account_deletion_requests)
owned_classes << AccountNote if ActiveRecord::Base.connection.table_exists?(:account_notes)
owned_classes << FollowRecommendationSuppression if ActiveRecord::Base.connection.table_exists?(:follow_recommendation_suppressions)
owned_classes << AccountIdentityProof if ActiveRecord::Base.connection.table_exists?(:account_identity_proofs)
owned_classes << Appeal if ActiveRecord::Base.connection.table_exists?(:appeals)
owned_classes << BulkImport if ActiveRecord::Base.connection.table_exists?(:bulk_imports)
owned_classes.each do |klass|
klass.where(account_id: other_account.id).find_each do |record|
record.update_attribute(:account_id, id)
rescue ActiveRecord::RecordNotUnique
next
end
end
target_classes = [Follow, FollowRequest, Block, Mute, AccountModerationNote, AccountPin]
target_classes << AccountNote if ActiveRecord::Base.connection.table_exists?(:account_notes)
target_classes.each do |klass|
klass.where(target_account_id: other_account.id).find_each do |record|
record.update_attribute(:target_account_id, id)
rescue ActiveRecord::RecordNotUnique
next
end
end
if ActiveRecord::Base.connection.table_exists?(:canonical_email_blocks)
CanonicalEmailBlock.where(reference_account_id: other_account.id).find_each do |record|
record.update_attribute(:reference_account_id, id)
end
end
if ActiveRecord::Base.connection.table_exists?(:appeals)
Appeal.where(account_warning_id: other_account.id).find_each do |record|
record.update_attribute(:account_warning_id, id)
end
end
end
end
class User < ApplicationRecord
belongs_to :account, inverse_of: :user
end
desc 'fix-duplicates', 'Fix duplicates in database and rebuild indexes'
long_desc <<~LONG_DESC
Delete or merge duplicate accounts, statuses, emojis, etc. and rebuild indexes.
This is useful if your database indexes are corrupted because of issues such as https://wiki.postgresql.org/wiki/Locale_data_changes
Mastodon has to be stopped to run this task, which will take a long time and may be destructive.
LONG_DESC
def fix_duplicates
if ActiveRecord::Migrator.current_version < MIN_SUPPORTED_VERSION
say 'Your version of the database schema is too old and is not supported by this script.', :red
say 'Please update to at least Mastodon 3.0.0 before running this script.', :red
exit(1)
elsif ActiveRecord::Migrator.current_version > MAX_SUPPORTED_VERSION
say 'Your version of the database schema is more recent than this script, this may cause unexpected errors.', :yellow
exit(1) unless yes?('Continue anyway? (Yes/No)')
end
if Sidekiq::ProcessSet.new.any?
say 'It seems Sidekiq is running. All Mastodon processes need to be stopped when using this script.', :red
exit(1)
end
say 'This task will take a long time to run and is potentially destructive.', :yellow
say 'Please make sure to stop Mastodon and have a backup.', :yellow
exit(1) unless yes?('Continue? (Yes/No)')
deduplicate_users!
deduplicate_account_domain_blocks!
deduplicate_account_identity_proofs!
deduplicate_announcement_reactions!
deduplicate_conversations!
deduplicate_custom_emojis!
deduplicate_custom_emoji_categories!
deduplicate_domain_allows!
deduplicate_domain_blocks!
deduplicate_unavailable_domains!
deduplicate_email_domain_blocks!
deduplicate_media_attachments!
deduplicate_preview_cards!
deduplicate_statuses!
deduplicate_accounts!
deduplicate_tags!
deduplicate_webauthn_credentials!
deduplicate_webhooks!
deduplicate_software_updates!
Scenic.database.refresh_materialized_view('instances', concurrently: true, cascade: false) if ActiveRecord::Migrator.current_version >= 2020_12_06_004238
Rails.cache.clear
say 'Finished!'
end
private
def deduplicate_accounts!
remove_index_if_exists!(:accounts, 'index_accounts_on_username_and_domain_lower')
say 'Deduplicating accounts… for local accounts, you will be asked to chose which account to keep unchanged.'
find_duplicate_accounts.each do |row|
accounts = Account.where(id: row['ids'].split(',')).to_a
if accounts.first.local?
deduplicate_local_accounts!(accounts)
else
deduplicate_remote_accounts!(accounts)
end
end
say 'Restoring index_accounts_on_username_and_domain_lower…'
if ActiveRecord::Migrator.current_version < 2020_06_20_164023
ActiveRecord::Base.connection.add_index :accounts, 'lower (username), lower(domain)', name: 'index_accounts_on_username_and_domain_lower', unique: true
else
ActiveRecord::Base.connection.add_index :accounts, "lower (username), COALESCE(lower(domain), '')", name: 'index_accounts_on_username_and_domain_lower', unique: true
end
say 'Reindexing textual indexes on accounts…'
ActiveRecord::Base.connection.execute('REINDEX INDEX search_index;')
ActiveRecord::Base.connection.execute('REINDEX INDEX index_accounts_on_uri;')
ActiveRecord::Base.connection.execute('REINDEX INDEX index_accounts_on_url;')
ActiveRecord::Base.connection.execute('REINDEX INDEX index_accounts_on_domain_and_id;') if ActiveRecord::Migrator.current_version >= 2023_05_24_190515
end
def deduplicate_users!
remove_index_if_exists!(:users, 'index_users_on_confirmation_token')
remove_index_if_exists!(:users, 'index_users_on_email')
remove_index_if_exists!(:users, 'index_users_on_remember_token')
remove_index_if_exists!(:users, 'index_users_on_reset_password_token')
say 'Deduplicating user records…'
# Deduplicating email
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM users GROUP BY email HAVING count(*) > 1").each do |row|
users = User.where(id: row['ids'].split(',')).sort_by(&:updated_at).reverse
ref_user = users.shift
say "Multiple users registered with e-mail address #{ref_user.email}.", :yellow
say "e-mail will be disabled for the following accounts: #{user.map(&:account).map(&:acct).join(', ')}", :yellow
say 'Please reach out to them and set another address with `tootctl account modify` or delete them.', :yellow
users.each_with_index do |user, index|
user.update!(email: "#{index} " + user.email)
end
end
deduplicate_users_process_confirmation_token
deduplicate_users_process_remember_token
deduplicate_users_process_password_token
say 'Restoring users indexes…'
ActiveRecord::Base.connection.add_index :users, ['confirmation_token'], name: 'index_users_on_confirmation_token', unique: true
ActiveRecord::Base.connection.add_index :users, ['email'], name: 'index_users_on_email', unique: true
ActiveRecord::Base.connection.add_index :users, ['remember_token'], name: 'index_users_on_remember_token', unique: true if ActiveRecord::Migrator.current_version < 2022_01_18_183010
if ActiveRecord::Migrator.current_version < 2022_03_10_060641
ActiveRecord::Base.connection.add_index :users, ['reset_password_token'], name: 'index_users_on_reset_password_token', unique: true
else
ActiveRecord::Base.connection.add_index :users, ['reset_password_token'], name: 'index_users_on_reset_password_token', unique: true, where: 'reset_password_token IS NOT NULL', opclass: :text_pattern_ops
end
ActiveRecord::Base.connection.execute('REINDEX INDEX index_users_on_unconfirmed_email;') if ActiveRecord::Migrator.current_version >= 2023_07_02_151753
end
def deduplicate_users_process_confirmation_token
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM users WHERE confirmation_token IS NOT NULL GROUP BY confirmation_token HAVING count(*) > 1").each do |row|
users = User.where(id: row['ids'].split(',')).sort_by(&:created_at).reverse.drop(1)
say "Unsetting confirmation token for those accounts: #{users.map(&:account).map(&:acct).join(', ')}", :yellow
users.each do |user|
user.update!(confirmation_token: nil)
end
end
end
def deduplicate_users_process_remember_token
if ActiveRecord::Migrator.current_version < 2022_01_18_183010
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM users WHERE remember_token IS NOT NULL GROUP BY remember_token HAVING count(*) > 1").each do |row|
users = User.where(id: row['ids'].split(',')).sort_by(&:updated_at).reverse.drop(1)
say "Unsetting remember token for those accounts: #{users.map(&:account).map(&:acct).join(', ')}", :yellow
users.each do |user|
user.update!(remember_token: nil)
end
end
end
end
def deduplicate_users_process_password_token
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM users WHERE reset_password_token IS NOT NULL GROUP BY reset_password_token HAVING count(*) > 1").each do |row|
users = User.where(id: row['ids'].split(',')).sort_by(&:updated_at).reverse.drop(1)
say "Unsetting password reset token for those accounts: #{users.map(&:account).map(&:acct).join(', ')}", :yellow
users.each do |user|
user.update!(reset_password_token: nil)
end
end
end
def deduplicate_account_domain_blocks!
remove_index_if_exists!(:account_domain_blocks, 'index_account_domain_blocks_on_account_id_and_domain')
say 'Removing duplicate account domain blocks…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM account_domain_blocks GROUP BY account_id, domain HAVING count(*) > 1").each do |row|
AccountDomainBlock.where(id: row['ids'].split(',').drop(1)).delete_all
end
say 'Restoring account domain blocks indexes…'
ActiveRecord::Base.connection.add_index :account_domain_blocks, %w(account_id domain), name: 'index_account_domain_blocks_on_account_id_and_domain', unique: true
end
def deduplicate_account_identity_proofs!
return unless ActiveRecord::Base.connection.table_exists?(:account_identity_proofs)
remove_index_if_exists!(:account_identity_proofs, 'index_account_proofs_on_account_and_provider_and_username')
say 'Removing duplicate account identity proofs…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM account_identity_proofs GROUP BY account_id, provider, provider_username HAVING count(*) > 1").each do |row|
AccountIdentityProof.where(id: row['ids'].split(',')).sort_by(&:id).reverse.drop(1).each(&:destroy)
end
say 'Restoring account identity proofs indexes…'
ActiveRecord::Base.connection.add_index :account_identity_proofs, %w(account_id provider provider_username), name: 'index_account_proofs_on_account_and_provider_and_username', unique: true
end
def deduplicate_announcement_reactions!
return unless ActiveRecord::Base.connection.table_exists?(:announcement_reactions)
remove_index_if_exists!(:announcement_reactions, 'index_announcement_reactions_on_account_id_and_announcement_id')
say 'Removing duplicate account identity proofs…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM announcement_reactions GROUP BY account_id, announcement_id, name HAVING count(*) > 1").each do |row|
AnnouncementReaction.where(id: row['ids'].split(',')).sort_by(&:id).reverse.drop(1).each(&:destroy)
end
say 'Restoring announcement_reactions indexes…'
ActiveRecord::Base.connection.add_index :announcement_reactions, %w(account_id announcement_id name), name: 'index_announcement_reactions_on_account_id_and_announcement_id', unique: true
end
def deduplicate_conversations!
remove_index_if_exists!(:conversations, 'index_conversations_on_uri')
say 'Deduplicating conversations…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM conversations WHERE uri IS NOT NULL GROUP BY uri HAVING count(*) > 1").each do |row|
conversations = Conversation.where(id: row['ids'].split(',')).sort_by(&:id).reverse
ref_conversation = conversations.shift
conversations.each do |other|
merge_conversations!(ref_conversation, other)
other.destroy
end
end
say 'Restoring conversations indexes…'
if ActiveRecord::Migrator.current_version < 2022_03_07_083603
ActiveRecord::Base.connection.add_index :conversations, ['uri'], name: 'index_conversations_on_uri', unique: true
else
ActiveRecord::Base.connection.add_index :conversations, ['uri'], name: 'index_conversations_on_uri', unique: true, where: 'uri IS NOT NULL', opclass: :text_pattern_ops
end
end
def deduplicate_custom_emojis!
remove_index_if_exists!(:custom_emojis, 'index_custom_emojis_on_shortcode_and_domain')
say 'Deduplicating custom_emojis…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM custom_emojis GROUP BY shortcode, domain HAVING count(*) > 1").each do |row|
emojis = CustomEmoji.where(id: row['ids'].split(',')).sort_by(&:id).reverse
ref_emoji = emojis.shift
emojis.each do |other|
merge_custom_emojis!(ref_emoji, other)
other.destroy
end
end
say 'Restoring custom_emojis indexes…'
ActiveRecord::Base.connection.add_index :custom_emojis, %w(shortcode domain), name: 'index_custom_emojis_on_shortcode_and_domain', unique: true
end
def deduplicate_custom_emoji_categories!
remove_index_if_exists!(:custom_emoji_categories, 'index_custom_emoji_categories_on_name')
say 'Deduplicating custom_emoji_categories…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM custom_emoji_categories GROUP BY name HAVING count(*) > 1").each do |row|
categories = CustomEmojiCategory.where(id: row['ids'].split(',')).sort_by(&:id).reverse
ref_category = categories.shift
categories.each do |other|
merge_custom_emoji_categories!(ref_category, other)
other.destroy
end
end
say 'Restoring custom_emoji_categories indexes…'
ActiveRecord::Base.connection.add_index :custom_emoji_categories, ['name'], name: 'index_custom_emoji_categories_on_name', unique: true
end
def deduplicate_domain_allows!
remove_index_if_exists!(:domain_allows, 'index_domain_allows_on_domain')
say 'Deduplicating domain_allows…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM domain_allows GROUP BY domain HAVING count(*) > 1").each do |row|
DomainAllow.where(id: row['ids'].split(',')).sort_by(&:id).reverse.drop(1).each(&:destroy)
end
say 'Restoring domain_allows indexes…'
ActiveRecord::Base.connection.add_index :domain_allows, ['domain'], name: 'index_domain_allows_on_domain', unique: true
end
def deduplicate_domain_blocks!
remove_index_if_exists!(:domain_blocks, 'index_domain_blocks_on_domain')
say 'Deduplicating domain_allows…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM domain_blocks GROUP BY domain HAVING count(*) > 1").each do |row|
domain_blocks = DomainBlock.where(id: row['ids'].split(',')).by_severity.reverse.to_a
reject_media = domain_blocks.any?(&:reject_media?)
reject_reports = domain_blocks.any?(&:reject_reports?)
reference_block = domain_blocks.shift
private_comment = domain_blocks.reduce(reference_block.private_comment.presence) { |a, b| a || b.private_comment.presence }
public_comment = domain_blocks.reduce(reference_block.public_comment.presence) { |a, b| a || b.public_comment.presence }
reference_block.update!(reject_media: reject_media, reject_reports: reject_reports, private_comment: private_comment, public_comment: public_comment)
domain_blocks.each(&:destroy)
end
say 'Restoring domain_blocks indexes…'
ActiveRecord::Base.connection.add_index :domain_blocks, ['domain'], name: 'index_domain_blocks_on_domain', unique: true
end
def deduplicate_unavailable_domains!
return unless ActiveRecord::Base.connection.table_exists?(:unavailable_domains)
remove_index_if_exists!(:unavailable_domains, 'index_unavailable_domains_on_domain')
say 'Deduplicating unavailable_domains…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM unavailable_domains GROUP BY domain HAVING count(*) > 1").each do |row|
UnavailableDomain.where(id: row['ids'].split(',')).sort_by(&:id).reverse.drop(1).each(&:destroy)
end
say 'Restoring domain_allows indexes…'
ActiveRecord::Base.connection.add_index :unavailable_domains, ['domain'], name: 'index_unavailable_domains_on_domain', unique: true
end
def deduplicate_email_domain_blocks!
remove_index_if_exists!(:email_domain_blocks, 'index_email_domain_blocks_on_domain')
say 'Deduplicating email_domain_blocks…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM email_domain_blocks GROUP BY domain HAVING count(*) > 1").each do |row|
domain_blocks = EmailDomainBlock.where(id: row['ids'].split(',')).sort_by { |b| b.parent.nil? ? 1 : 0 }.to_a
domain_blocks.drop(1).each(&:destroy)
end
say 'Restoring email_domain_blocks indexes…'
ActiveRecord::Base.connection.add_index :email_domain_blocks, ['domain'], name: 'index_email_domain_blocks_on_domain', unique: true
end
def deduplicate_media_attachments!
remove_index_if_exists!(:media_attachments, 'index_media_attachments_on_shortcode')
say 'Deduplicating media_attachments…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM media_attachments WHERE shortcode IS NOT NULL GROUP BY shortcode HAVING count(*) > 1").each do |row|
MediaAttachment.where(id: row['ids'].split(',').drop(1)).update_all(shortcode: nil)
end
say 'Restoring media_attachments indexes…'
if ActiveRecord::Migrator.current_version < 2022_03_10_060626
ActiveRecord::Base.connection.add_index :media_attachments, ['shortcode'], name: 'index_media_attachments_on_shortcode', unique: true
else
ActiveRecord::Base.connection.add_index :media_attachments, ['shortcode'], name: 'index_media_attachments_on_shortcode', unique: true, where: 'shortcode IS NOT NULL', opclass: :text_pattern_ops
end
end
def deduplicate_preview_cards!
remove_index_if_exists!(:preview_cards, 'index_preview_cards_on_url')
say 'Deduplicating preview_cards…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM preview_cards GROUP BY url HAVING count(*) > 1").each do |row|
PreviewCard.where(id: row['ids'].split(',')).sort_by(&:id).reverse.drop(1).each(&:destroy)
end
say 'Restoring preview_cards indexes…'
ActiveRecord::Base.connection.add_index :preview_cards, ['url'], name: 'index_preview_cards_on_url', unique: true
end
def deduplicate_statuses!
remove_index_if_exists!(:statuses, 'index_statuses_on_uri')
say 'Deduplicating statuses…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM statuses WHERE uri IS NOT NULL GROUP BY uri HAVING count(*) > 1").each do |row|
statuses = Status.where(id: row['ids'].split(',')).sort_by(&:id)
ref_status = statuses.shift
statuses.each do |status|
merge_statuses!(ref_status, status) if status.account_id == ref_status.account_id
status.destroy
end
end
say 'Restoring statuses indexes…'
if ActiveRecord::Migrator.current_version < 2022_03_10_060706
ActiveRecord::Base.connection.add_index :statuses, ['uri'], name: 'index_statuses_on_uri', unique: true
else
ActiveRecord::Base.connection.add_index :statuses, ['uri'], name: 'index_statuses_on_uri', unique: true, where: 'uri IS NOT NULL', opclass: :text_pattern_ops
end
end
def deduplicate_tags!
remove_index_if_exists!(:tags, 'index_tags_on_name_lower')
remove_index_if_exists!(:tags, 'index_tags_on_name_lower_btree')
say 'Deduplicating tags…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM tags GROUP BY lower((name)::text) HAVING count(*) > 1").each do |row|
tags = Tag.where(id: row['ids'].split(',')).sort_by { |t| [t.usable?, t.trendable?, t.listable?].count(false) }
ref_tag = tags.shift
tags.each do |tag|
merge_tags!(ref_tag, tag)
tag.destroy
end
end
say 'Restoring tags indexes…'
if ActiveRecord::Migrator.current_version < 2021_04_21_121431
ActiveRecord::Base.connection.add_index :tags, 'lower((name)::text)', name: 'index_tags_on_name_lower', unique: true
else
ActiveRecord::Base.connection.execute 'CREATE UNIQUE INDEX CONCURRENTLY index_tags_on_name_lower_btree ON tags (lower(name) text_pattern_ops)'
end
end
def deduplicate_webauthn_credentials!
return unless ActiveRecord::Base.connection.table_exists?(:webauthn_credentials)
remove_index_if_exists!(:webauthn_credentials, 'index_webauthn_credentials_on_external_id')
say 'Deduplicating webauthn_credentials…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM webauthn_credentials GROUP BY external_id HAVING count(*) > 1").each do |row|
WebauthnCredential.where(id: row['ids'].split(',')).sort_by(&:id).reverse.drop(1).each(&:destroy)
end
say 'Restoring webauthn_credentials indexes…'
ActiveRecord::Base.connection.add_index :webauthn_credentials, ['external_id'], name: 'index_webauthn_credentials_on_external_id', unique: true
end
def deduplicate_webhooks!
return unless ActiveRecord::Base.connection.table_exists?(:webhooks)
remove_index_if_exists!(:webhooks, 'index_webhooks_on_url')
say 'Deduplicating webhooks…'
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM webhooks GROUP BY url HAVING count(*) > 1").each do |row|
Webhooks.where(id: row['ids'].split(',')).sort_by(&:id).reverse.drop(1).each(&:destroy)
end
say 'Restoring webhooks indexes…'
ActiveRecord::Base.connection.add_index :webhooks, ['url'], name: 'index_webhooks_on_url', unique: true
end
def deduplicate_software_updates!
# Not bothering with this, it's data that will be recovered with the scheduler
SoftwareUpdate.delete_all
end
def deduplicate_local_accounts!(accounts)
accounts = accounts.sort_by(&:id).reverse
say "Multiple local accounts were found for username '#{accounts.first.username}'.", :yellow
say 'All those accounts are distinct accounts but only the most recently-created one is fully-functional.', :yellow
accounts.each_with_index do |account, idx|
say format(
'%<index>2d. %<username>s: created at: %<created_at>s; updated at: %<updated_at>s; last logged in at: %<last_log_in_at>s; statuses: %<status_count>5d; last status at: %<last_status_at>s',
index: idx,
username: account.username,
created_at: account.created_at,
updated_at: account.updated_at,
last_log_in_at: account.user&.last_sign_in_at&.to_s || 'N/A',
status_count: account.account_stat&.statuses_count || 0,
last_status_at: account.account_stat&.last_status_at || 'N/A'
)
end
say 'Please chose the one to keep unchanged, other ones will be automatically renamed.'
ref_id = ask('Account to keep unchanged:') do |q|
q.required true
q.default 0
q.convert :int
end
accounts.delete_at(ref_id)
i = 0
accounts.each do |account|
i += 1
username = account.username + "_#{i}"
while Account.local.exists?(username: username)
i += 1
username = account.username + "_#{i}"
end
account.update!(username: username)
end
end
def deduplicate_remote_accounts!(accounts)
accounts = accounts.sort_by(&:updated_at).reverse
reference_account = accounts.shift
accounts.each do |other_account|
if other_account.public_key == reference_account.public_key
# The accounts definitely point to the same resource, so
# it's safe to re-attribute content and relationships
reference_account.merge_with!(other_account)
end
other_account.destroy
end
end
def merge_conversations!(main_conv, duplicate_conv)
owned_classes = [ConversationMute, AccountConversation]
owned_classes.each do |klass|
klass.where(conversation_id: duplicate_conv.id).find_each do |record|
record.update_attribute(:account_id, main_conv.id)
rescue ActiveRecord::RecordNotUnique
next
end
end
end
def merge_custom_emojis!(main_emoji, duplicate_emoji)
owned_classes = [AnnouncementReaction]
owned_classes.each do |klass|
klass.where(custom_emoji_id: duplicate_emoji.id).update_all(custom_emoji_id: main_emoji.id)
end
end
def merge_custom_emoji_categories!(main_category, duplicate_category)
owned_classes = [CustomEmoji]
owned_classes.each do |klass|
klass.where(category_id: duplicate_category.id).update_all(category_id: main_category.id)
end
end
def merge_statuses!(main_status, duplicate_status)
owned_classes = [Favourite, Mention, Poll]
owned_classes << Bookmark if ActiveRecord::Base.connection.table_exists?(:bookmarks)
owned_classes.each do |klass|
klass.where(status_id: duplicate_status.id).find_each do |record|
record.update_attribute(:status_id, main_status.id)
rescue ActiveRecord::RecordNotUnique
next
end
end
StatusPin.where(account_id: main_status.account_id, status_id: duplicate_status.id).find_each do |record|
record.update_attribute(:status_id, main_status.id)
rescue ActiveRecord::RecordNotUnique
next
end
Status.where(in_reply_to_id: duplicate_status.id).find_each do |record|
record.update_attribute(:in_reply_to_id, main_status.id)
rescue ActiveRecord::RecordNotUnique
next
end
Status.where(reblog_of_id: duplicate_status.id).find_each do |record|
record.update_attribute(:reblog_of_id, main_status.id)
rescue ActiveRecord::RecordNotUnique
next
end
end
def merge_tags!(main_tag, duplicate_tag)
[FeaturedTag].each do |klass|
klass.where(tag_id: duplicate_tag.id).find_each do |record|
record.update_attribute(:tag_id, main_tag.id)
rescue ActiveRecord::RecordNotUnique
next
end
end
end
def find_duplicate_accounts
ActiveRecord::Base.connection.select_all("SELECT string_agg(id::text, ',') AS ids FROM accounts GROUP BY lower(username), COALESCE(lower(domain), '') HAVING count(*) > 1")
end
def remove_index_if_exists!(table, name)
ActiveRecord::Base.connection.remove_index(table, name: name)
rescue ArgumentError, ActiveRecord::StatementInvalid
nil
end
end
end