Move more tasks to tootctl (#8675)

* Move more tasks to tootctl

- tootctl feeds build
- tootctl feeds clear
- tootctl accounts refresh

Clean up exit codes and help messages

* Move user modifying to tootctl

* Improve user modification through CLI, rename commands

add -> create
mod -> modify
del -> delete

To remove ambiguity

* Fix code style issues

* Fix not being able to unset admin/mod role

6 files changed, 200 insertions, 387 deletions

diff --git a/lib/cli.rb b/lib/cli.rb
index 60bff4147..14a91c2db 100644
--- a/lib/cli.rb
+++ b/lib/cli.rb
@@ -4,6 +4,8 @@ require 'thor'
 require_relative 'mastodon/media_cli'
 require_relative 'mastodon/emoji_cli'
 require_relative 'mastodon/accounts_cli'
+require_relative 'mastodon/feeds_cli'
+
 module Mastodon
   class CLI < Thor
     desc 'media SUBCOMMAND ...ARGS', 'Manage media files'
@@ -14,5 +16,8 @@ module Mastodon
 
     desc 'accounts SUBCOMMAND ...ARGS', 'Manage accounts'
     subcommand 'accounts', Mastodon::AccountsCLI
+
+    desc 'feeds SUBCOMMAND ...ARGS', 'Manage feeds'
+    subcommand 'feeds', Mastodon::FeedsCLI
   end
 end
diff --git a/lib/mastodon/accounts_cli.rb b/lib/mastodon/accounts_cli.rb
index d44cdfae9..65c1b395a 100644
--- a/lib/mastodon/accounts_cli.rb
+++ b/lib/mastodon/accounts_cli.rb
@@ -40,6 +40,7 @@ module Mastodon
         say('OK', :green)
       else
         say('No account(s) given', :red)
+        exit(1)
       end
     end
 
@@ -48,7 +49,7 @@ module Mastodon
     option :role, default: 'user'
     option :reattach, type: :boolean
     option :force, type: :boolean
-    desc 'add USERNAME', 'Create a new user'
+    desc 'create USERNAME', 'Create a new user'
     long_desc <<-LONG_DESC
       Create a new user account with a given USERNAME and an
       e-mail address provided with --email.
@@ -65,7 +66,7 @@ module Mastodon
       the --force option to delete the old record and reattach the
       username to the new account anyway.
     LONG_DESC
-    def add(username)
+    def create(username)
       account  = Account.new(username: username)
       password = SecureRandom.hex
       user     = User.new(email: options[:email], password: password, admin: options[:role] == 'admin', moderator: options[:role] == 'moderator', confirmed_at: Time.now.utc)
@@ -98,19 +99,75 @@ module Mastodon
           say(key)
           say('    ' + error, :red)
         end
+
+        exit(1)
       end
     end
 
-    desc 'del USERNAME', 'Delete a user'
+    option :role
+    option :email
+    option :confirm, type: :boolean
+    option :enable, type: :boolean
+    option :disable, type: :boolean
+    option :disable_2fa, type: :boolean
+    desc 'modify USERNAME', 'Modify a user'
+    long_desc <<-LONG_DESC
+      Modify a user account.
+
+      With the --role option, update the user's role to one of "user",
+      "moderator" or "admin".
+
+      With the --email option, update the user's e-mail address. With
+      the --confirm option, mark the user's e-mail as confirmed.
+
+      With the --disable option, lock the user out of their account. The
+      --enable option is the opposite.
+
+      With the --disable-2fa option, the two-factor authentication
+      requirement for the user can be removed.
+    LONG_DESC
+    def modify(username)
+      user = Account.find_local(username)&.user
+
+      if user.nil?
+        say('No user with such username', :red)
+        exit(1)
+      end
+
+      if options[:role]
+        user.admin = options[:role] == 'admin'
+        user.moderator = options[:role] == 'moderator'
+      end
+
+      user.email = options[:email] if options[:email]
+      user.disabled = false if options[:enable]
+      user.disabled = true if options[:disable]
+      user.otp_required_for_login = false if options[:disable_2fa]
+      user.confirm if options[:confirm]
+
+      if user.save
+        say('OK', :green)
+      else
+        user.errors.to_h.each do |key, error|
+          say('Failure/Error: ', :red)
+          say(key)
+          say('    ' + error, :red)
+        end
+
+        exit(1)
+      end
+    end
+
+    desc 'delete USERNAME', 'Delete a user'
     long_desc <<-LONG_DESC
       Remove a user account with a given USERNAME.
     LONG_DESC
-    def del(username)
+    def delete(username)
       account = Account.find_local(username)
 
       if account.nil?
         say('No user with such username', :red)
-        return
+        exit(1)
       end
 
       say("Deleting user with #{account.statuses_count}, this might take a while...")
@@ -182,9 +239,56 @@ module Mastodon
       end
     end
 
+    option :all, type: :boolean
+    option :domain
+    desc 'refresh [USERNAME]', 'Fetch remote user data and files'
+    long_desc <<-LONG_DESC
+      Fetch remote user data and files for one or multiple accounts.
+
+      With the --all option, all remote accounts will be processed.
+      Through the --domain option, this can be narrowed down to a
+      specific domain only. Otherwise, a single remote account must
+      be specified with USERNAME.
+
+      All processing is done in the background through Sidekiq.
+    LONG_DESC
+    def refresh(username = nil)
+      if options[:domain] || options[:all]
+        queued = 0
+        scope  = Account.remote
+        scope  = scope.where(domain: options[:domain]) if options[:domain]
+
+        scope.select(:id).reorder(nil).find_in_batches do |accounts|
+          Maintenance::RedownloadAccountMediaWorker.push_bulk(accounts.map(&:id))
+          queued += accounts.size
+        end
+
+        say("Scheduled refreshment of #{queued} accounts", :green, true)
+      elsif username.present?
+        username, domain = username.split('@')
+        account = Account.find_remote(username, domain)
+
+        if account.nil?
+          say('No such account', :red)
+          exit(1)
+        end
+
+        Maintenance::RedownloadAccountMediaWorker.perform_async(account.id)
+        say('OK', :green)
+      else
+        say('No account(s) given', :red)
+        exit(1)
+      end
+    end
+
     private
 
     def rotate_keys_for_account(account, delay = 0)
+      if account.nil?
+        say('No such account', :red)
+        exit(1)
+      end
+
       old_key = account.private_key
       new_key = OpenSSL::PKey::RSA.new(2048).to_pem
       account.update(private_key: new_key)
diff --git a/lib/mastodon/emoji_cli.rb b/lib/mastodon/emoji_cli.rb
index 0a773c771..5bc51d034 100644
--- a/lib/mastodon/emoji_cli.rb
+++ b/lib/mastodon/emoji_cli.rb
@@ -5,8 +5,6 @@ require_relative '../../config/boot'
 require_relative '../../config/environment'
 require_relative 'cli_helper'
 
-# rubocop:disable Rails/Output
-
 module Mastodon
   class EmojiCLI < Thor
     option :prefix
@@ -77,5 +75,3 @@ module Mastodon
     end
   end
 end
-
-# rubocop:enable Rails/Output
diff --git a/lib/mastodon/feeds_cli.rb b/lib/mastodon/feeds_cli.rb
new file mode 100644
index 000000000..c3fca723e
--- /dev/null
+++ b/lib/mastodon/feeds_cli.rb
@@ -0,0 +1,81 @@
+# frozen_string_literal: true
+
+require_relative '../../config/boot'
+require_relative '../../config/environment'
+require_relative 'cli_helper'
+
+module Mastodon
+  class FeedsCLI < Thor
+    option :all, type: :boolean, default: false
+    option :background, type: :boolean, default: false
+    option :dry_run, type: :boolean, default: false
+    option :verbose, type: :boolean, default: false
+    desc 'build [USERNAME]', 'Build home and list feeds for one or all users'
+    long_desc <<-LONG_DESC
+      Build home and list feeds that are stored in Redis from the database.
+
+      With the --all option, all active users will be processed.
+      Otherwise, a single user specified by USERNAME.
+
+      With the --background option, regeneration will be queued into Sidekiq,
+      and the command will exit as soon as possible.
+
+      With the --dry-run option, no work will be done.
+
+      With the --verbose option, when accounts are processed sequentially in the
+      foreground, the IDs of the accounts will be printed.
+    LONG_DESC
+    def build(username = nil)
+      dry_run = options[:dry_run] ? '(DRY RUN)' : ''
+
+      if options[:all] || username.nil?
+        processed = 0
+        queued    = 0
+
+        User.active.select(:id, :account_id).reorder(nil).find_in_batches do |users|
+          if options[:background]
+            RegenerationWorker.push_bulk(users.map(&:account_id)) unless options[:dry_run]
+            queued += users.size
+          else
+            users.each do |user|
+              RegenerationWorker.new.perform(user.account_id) unless options[:dry_run]
+              options[:verbose] ? say(user.account_id) : say('.', :green, false)
+              processed += 1
+            end
+          end
+        end
+
+        if options[:background]
+          say("Scheduled feed regeneration for #{queued} accounts #{dry_run}", :green, true)
+        else
+          say
+          say("Regenerated feeds for #{processed} accounts #{dry_run}", :green, true)
+        end
+      elsif username.present?
+        account = Account.find_local(username)
+
+        if options[:background]
+          RegenerationWorker.perform_async(account.id) unless options[:dry_run]
+        else
+          RegenerationWorker.new.perform(account.id) unless options[:dry_run]
+        end
+
+        say("OK #{dry_run}", :green, true)
+      else
+        say('No account(s) given', :red)
+        exit(1)
+      end
+    end
+
+    desc 'clear', 'Remove all home and list feeds from Redis'
+    def clear
+      keys = Redis.current.keys('feed:*')
+
+      Redis.current.pipelined do
+        keys.each { |key| Redis.current.del(key) }
+      end
+
+      say('OK', :green)
+    end
+  end
+end
diff --git a/lib/mastodon/media_cli.rb b/lib/mastodon/media_cli.rb
index 12ebdb774..8aa9f7903 100644
--- a/lib/mastodon/media_cli.rb
+++ b/lib/mastodon/media_cli.rb
@@ -4,8 +4,6 @@ require_relative '../../config/boot'
 require_relative '../../config/environment'
 require_relative 'cli_helper'
 
-# rubocop:disable Rails/Output
-
 module Mastodon
   class MediaCLI < Thor
     option :days, type: :numeric, default: 7
@@ -25,9 +23,10 @@ module Mastodon
       it may impact other operations of the Mastodon server, and it may overload
       the underlying file storage.
 
-      With the --verbose option, output deleting file ID to console (only when --background false).
+      With the --dry-run option, no work will be done.
 
-      With the --dry-run option, output the number of files to delete without deleting.
+      With the --verbose option, when media attachments are processed sequentially in the
+      foreground, the IDs of the media attachments will be printed.
     DESC
     def remove
       time_ago  = options[:days].days.ago
@@ -53,12 +52,10 @@ module Mastodon
       say
 
       if options[:background]
-        say("Scheduled the deletion of #{queued} media attachments #{dry_run}.", :green)
+        say("Scheduled the deletion of #{queued} media attachments #{dry_run}", :green, true)
       else
-        say("Removed #{processed} media attachments #{dry_run}.", :green)
+        say("Removed #{processed} media attachments #{dry_run}", :green, true)
       end
     end
   end
 end
-
-# rubocop:enable Rails/Output
diff --git a/lib/tasks/mastodon.rake b/lib/tasks/mastodon.rake
index 649a22a0b..ec8800819 100644
--- a/lib/tasks/mastodon.rake
+++ b/lib/tasks/mastodon.rake
@@ -390,139 +390,6 @@ namespace :mastodon do
     end
   end
 
-  desc 'Turn a user into an admin, identified by the USERNAME environment variable'
-  task make_admin: :environment do
-    include RoutingHelper
-
-    account_username = ENV.fetch('USERNAME')
-    user             = User.joins(:account).where(accounts: { username: account_username })
-
-    if user.present?
-      user.update(admin: true)
-      puts "Congrats! #{account_username} is now an admin. \\o/\nNavigate to #{edit_admin_settings_url} to get started"
-    else
-      puts "User could not be found; please make sure an account with the `#{account_username}` username exists."
-    end
-  end
-
-  desc 'Turn a user into a moderator, identified by the USERNAME environment variable'
-  task make_mod: :environment do
-    account_username = ENV.fetch('USERNAME')
-    user             = User.joins(:account).where(accounts: { username: account_username })
-
-    if user.present?
-      user.update(moderator: true)
-      puts "Congrats! #{account_username} is now a moderator \\o/"
-    else
-      puts "User could not be found; please make sure an account with the `#{account_username}` username exists."
-    end
-  end
-
-  desc 'Remove admin and moderator privileges from user identified by the USERNAME environment variable'
-  task revoke_staff: :environment do
-    account_username = ENV.fetch('USERNAME')
-    user             = User.joins(:account).where(accounts: { username: account_username })
-
-    if user.present?
-      user.update(moderator: false, admin: false)
-      puts "#{account_username} is no longer admin or moderator."
-    else
-      puts "User could not be found; please make sure an account with the `#{account_username}` username exists."
-    end
-  end
-
-  desc 'Manually confirms a user with associated user email address stored in USER_EMAIL environment variable.'
-  task confirm_email: :environment do
-    email = ENV.fetch('USER_EMAIL')
-    user  = User.find_by(email: email)
-
-    if user
-      user.update(confirmed_at: Time.now.utc)
-      puts "#{email} confirmed"
-    else
-      abort "#{email} not found"
-    end
-  end
-
-  desc 'Add a user by providing their email, username and initial password.' \
-       'The user will receive a confirmation email, then they must reset their password before logging in.'
-  task add_user: :environment do
-    disable_log_stdout!
-
-    prompt = TTY::Prompt.new
-
-    begin
-      email = prompt.ask('E-mail:', required: true) do |q|
-        q.modify :strip
-      end
-
-      username = prompt.ask('Username:', required: true) do |q|
-        q.modify :strip
-      end
-
-      role = prompt.select('Role:', %w(user moderator admin))
-
-      if prompt.yes?('Proceed to create the user?')
-        user = User.new(email: email, password: SecureRandom.hex, admin: role == 'admin', moderator: role == 'moderator', account_attributes: { username: username })
-
-        if user.save
-          prompt.ok 'User created and confirmation mail sent to the user\'s email address.'
-          prompt.ok "Here is the random password generated for the user: #{user.password}"
-        else
-          prompt.warn 'User was not created because of the following errors:'
-
-          user.errors.each do |key, val|
-            prompt.error "#{key}: #{val}"
-          end
-        end
-      else
-        prompt.ok 'Aborting. Bye!'
-      end
-    rescue TTY::Reader::InputInterrupt
-      prompt.ok 'Aborting. Bye!'
-    end
-  end
-
-  namespace :media do
-    desc 'Remove media attachments attributed to silenced accounts'
-    task remove_silenced: :environment do
-      nb_media_attachments = 0
-      MediaAttachment.where(account: Account.silenced).select(:id).reorder(nil).find_in_batches do |media_attachments|
-        nb_media_attachments += media_attachments.length
-        Maintenance::DestroyMediaWorker.push_bulk(media_attachments.map(&:id))
-      end
-      puts "Scheduled the deletion of #{nb_media_attachments} media attachments"
-    end
-
-    desc 'Remove cached remote media attachments that are older than NUM_DAYS. By default 7 (week)'
-    task remove_remote: :environment do
-      puts 'Please use `./bin/tootctl media remove --help` directly'.colorize(:yellow)
-      require_relative '../mastodon/media_cli'
-      cli = Mastodon::MediaCLI.new([], days: (ENV['NUM_DAYS'] || 7).to_i)
-      cli.invoke(:remove)
-    end
-
-    desc 'Set unknown attachment type for remote-only attachments'
-    task set_unknown: :environment do
-      puts 'Setting unknown attachment type for remote-only attachments...'
-      MediaAttachment.where(file_file_name: nil).where.not(type: :unknown).in_batches.update_all(type: :unknown)
-      puts 'Done!'
-    end
-
-    desc 'Redownload avatars/headers of remote users. Optionally limit to a particular domain with DOMAIN'
-    task redownload_avatars: :environment do
-      accounts = Account.remote
-      accounts = accounts.where(domain: ENV['DOMAIN']) if ENV['DOMAIN'].present?
-      nb_accounts = 0
-
-      accounts.select(:id).reorder(nil).find_in_batches do |accounts_batch|
-        nb_accounts += accounts_batch.length
-        Maintenance::RedownloadAccountMediaWorker.push_bulk(accounts_batch.map(&:id))
-      end
-      puts "Scheduled the download of avatars/headers for #{nb_accounts} remote users"
-    end
-  end
-
   namespace :push do
     desc 'Unsubscribes from PuSH updates of feeds nobody follows locally'
     task clear: :environment do
@@ -530,28 +397,6 @@ namespace :mastodon do
     end
   end
 
-  namespace :feeds do
-    desc 'Clear all timelines without regenerating them'
-    task clear_all: :environment do
-      Redis.current.keys('feed:*').each { |key| Redis.current.del(key) }
-    end
-
-    desc 'Generates home timelines for users who logged in in the past two weeks'
-    task build: :environment do
-      User.active.select(:id, :account_id).reorder(nil).find_in_batches do |users|
-        RegenerationWorker.push_bulk(users.map(&:account_id))
-      end
-    end
-  end
-
-  namespace :users do
-    desc 'List e-mails of all admin users'
-    task admins: :environment do
-      puts 'Admin user emails:'
-      puts User.admins.map(&:email).join("\n")
-    end
-  end
-
   namespace :settings do
     desc 'Open registrations on this instance'
     task open_registrations: :environment do
@@ -572,221 +417,6 @@ namespace :mastodon do
       puts "VAPID_PUBLIC_KEY=#{vapid_key.public_key}"
     end
   end
-
-  namespace :maintenance do
-    desc 'Update counter caches'
-    task update_counter_caches: :environment do
-      puts 'Updating counter caches for accounts...'
-
-      Account.unscoped.where.not(protocol: :activitypub).select('id').find_in_batches do |batch|
-        Account.where(id: batch.map(&:id)).update_all('statuses_count = (select count(*) from statuses where account_id = accounts.id), followers_count = (select count(*) from follows where target_account_id = accounts.id), following_count = (select count(*) from follows where account_id = accounts.id)')
-      end
-
-      puts 'Updating counter caches for statuses...'
-
-      Status.unscoped.select('id').find_in_batches do |batch|
-        Status.where(id: batch.map(&:id)).update_all('favourites_count = (select count(*) from favourites where favourites.status_id = statuses.id), reblogs_count = (select count(*) from statuses as reblogs where reblogs.reblog_of_id = statuses.id)')
-      end
-
-      puts 'Done!'
-    end
-
-    desc 'Generate static versions of GIF avatars/headers'
-    task add_static_avatars: :environment do
-      puts 'Generating static avatars/headers for GIF ones...'
-
-      Account.unscoped.where(avatar_content_type: 'image/gif').or(Account.unscoped.where(header_content_type: 'image/gif')).find_each do |account|
-        begin
-          account.avatar.reprocess! if account.avatar_content_type == 'image/gif' && !account.avatar.exists?(:static)
-          account.header.reprocess! if account.header_content_type == 'image/gif' && !account.header.exists?(:static)
-        rescue StandardError => e
-          Rails.logger.error "Error while generating static avatars/headers for account #{account.id}: #{e}"
-          next
-        end
-      end
-
-      puts 'Done!'
-    end
-
-    desc 'Ensure referencial integrity'
-    task prepare_for_foreign_keys: :environment do
-      # All the deletes:
-      ActiveRecord::Base.connection.execute('DELETE FROM statuses USING statuses s LEFT JOIN accounts a ON a.id = s.account_id WHERE statuses.id = s.id AND a.id IS NULL')
-
-      if ActiveRecord::Base.connection.table_exists? :account_domain_blocks
-        ActiveRecord::Base.connection.execute('DELETE FROM account_domain_blocks USING account_domain_blocks adb LEFT JOIN accounts a ON a.id = adb.account_id WHERE account_domain_blocks.id = adb.id AND a.id IS NULL')
-      end
-
-      if ActiveRecord::Base.connection.table_exists? :conversation_mutes
-        ActiveRecord::Base.connection.execute('DELETE FROM conversation_mutes USING conversation_mutes cm LEFT JOIN accounts a ON a.id = cm.account_id WHERE conversation_mutes.id = cm.id AND a.id IS NULL')
-        ActiveRecord::Base.connection.execute('DELETE FROM conversation_mutes USING conversation_mutes cm LEFT JOIN conversations c ON c.id = cm.conversation_id WHERE conversation_mutes.id = cm.id AND c.id IS NULL')
-      end
-
-      ActiveRecord::Base.connection.execute('DELETE FROM favourites USING favourites f LEFT JOIN accounts a ON a.id = f.account_id WHERE favourites.id = f.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM favourites USING favourites f LEFT JOIN statuses s ON s.id = f.status_id WHERE favourites.id = f.id AND s.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM blocks USING blocks b LEFT JOIN accounts a ON a.id = b.account_id WHERE blocks.id = b.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM blocks USING blocks b LEFT JOIN accounts a ON a.id = b.target_account_id WHERE blocks.id = b.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM follow_requests USING follow_requests fr LEFT JOIN accounts a ON a.id = fr.account_id WHERE follow_requests.id = fr.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM follow_requests USING follow_requests fr LEFT JOIN accounts a ON a.id = fr.target_account_id WHERE follow_requests.id = fr.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM follows USING follows f LEFT JOIN accounts a ON a.id = f.account_id WHERE follows.id = f.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM follows USING follows f LEFT JOIN accounts a ON a.id = f.target_account_id WHERE follows.id = f.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM mutes USING mutes m LEFT JOIN accounts a ON a.id = m.account_id WHERE mutes.id = m.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM mutes USING mutes m LEFT JOIN accounts a ON a.id = m.target_account_id WHERE mutes.id = m.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM imports USING imports i LEFT JOIN accounts a ON a.id = i.account_id WHERE imports.id = i.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM mentions USING mentions m LEFT JOIN accounts a ON a.id = m.account_id WHERE mentions.id = m.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM mentions USING mentions m LEFT JOIN statuses s ON s.id = m.status_id WHERE mentions.id = m.id AND s.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM notifications USING notifications n LEFT JOIN accounts a ON a.id = n.account_id WHERE notifications.id = n.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM notifications USING notifications n LEFT JOIN accounts a ON a.id = n.from_account_id WHERE notifications.id = n.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM preview_cards USING preview_cards pc LEFT JOIN statuses s ON s.id = pc.status_id WHERE preview_cards.id = pc.id AND s.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM reports USING reports r LEFT JOIN accounts a ON a.id = r.account_id WHERE reports.id = r.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM reports USING reports r LEFT JOIN accounts a ON a.id = r.target_account_id WHERE reports.id = r.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM statuses_tags USING statuses_tags st LEFT JOIN statuses s ON s.id = st.status_id WHERE statuses_tags.tag_id = st.tag_id AND statuses_tags.status_id = st.status_id AND s.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM statuses_tags USING statuses_tags st LEFT JOIN tags t ON t.id = st.tag_id WHERE statuses_tags.tag_id = st.tag_id AND statuses_tags.status_id = st.status_id AND t.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM stream_entries USING stream_entries se LEFT JOIN accounts a ON a.id = se.account_id WHERE stream_entries.id = se.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM subscriptions USING subscriptions s LEFT JOIN accounts a ON a.id = s.account_id WHERE subscriptions.id = s.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM users USING users u LEFT JOIN accounts a ON a.id = u.account_id WHERE users.id = u.id AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM web_settings USING web_settings ws LEFT JOIN users u ON u.id = ws.user_id WHERE web_settings.id = ws.id AND u.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM oauth_access_grants USING oauth_access_grants oag LEFT JOIN users u ON u.id = oag.resource_owner_id WHERE oauth_access_grants.id = oag.id AND oag.resource_owner_id IS NOT NULL AND u.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM oauth_access_grants USING oauth_access_grants oag LEFT JOIN oauth_applications a ON a.id = oag.application_id WHERE oauth_access_grants.id = oag.id AND oag.application_id IS NOT NULL AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM oauth_access_tokens USING oauth_access_tokens oat LEFT JOIN users u ON u.id = oat.resource_owner_id WHERE oauth_access_tokens.id = oat.id AND oat.resource_owner_id IS NOT NULL AND u.id IS NULL')
-      ActiveRecord::Base.connection.execute('DELETE FROM oauth_access_tokens USING oauth_access_tokens oat LEFT JOIN oauth_applications a ON a.id = oat.application_id WHERE oauth_access_tokens.id = oat.id AND oat.application_id IS NOT NULL AND a.id IS NULL')
-
-      # All the nullifies:
-      ActiveRecord::Base.connection.execute('UPDATE statuses SET in_reply_to_id = NULL FROM statuses s LEFT JOIN statuses rs ON rs.id = s.in_reply_to_id WHERE statuses.id = s.id AND s.in_reply_to_id IS NOT NULL AND rs.id IS NULL')
-      ActiveRecord::Base.connection.execute('UPDATE statuses SET in_reply_to_account_id = NULL FROM statuses s LEFT JOIN accounts a ON a.id = s.in_reply_to_account_id WHERE statuses.id = s.id AND s.in_reply_to_account_id IS NOT NULL AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('UPDATE media_attachments SET status_id = NULL FROM media_attachments ma LEFT JOIN statuses s ON s.id = ma.status_id WHERE media_attachments.id = ma.id AND ma.status_id IS NOT NULL AND s.id IS NULL')
-      ActiveRecord::Base.connection.execute('UPDATE media_attachments SET account_id = NULL FROM media_attachments ma LEFT JOIN accounts a ON a.id = ma.account_id WHERE media_attachments.id = ma.id AND ma.account_id IS NOT NULL AND a.id IS NULL')
-      ActiveRecord::Base.connection.execute('UPDATE reports SET action_taken_by_account_id = NULL FROM reports r LEFT JOIN accounts a ON a.id = r.action_taken_by_account_id WHERE reports.id = r.id AND r.action_taken_by_account_id IS NOT NULL AND a.id IS NULL')
-    end
-
-    desc 'Remove deprecated preview cards'
-    task remove_deprecated_preview_cards: :environment do
-      next unless ActiveRecord::Base.connection.table_exists? 'deprecated_preview_cards'
-
-      class DeprecatedPreviewCard < ActiveRecord::Base
-        self.inheritance_column = false
-
-        path = '/preview_cards/:attachment/:id_partition/:style/:filename'
-        if ENV['S3_ENABLED'] != 'true'
-          path = (ENV['PAPERCLIP_ROOT_PATH'] || ':rails_root/public/system') + path
-        end
-
-        has_attached_file :image, styles: { original: '280x120>' }, convert_options: { all: '-quality 80 -strip' }, path: path
-      end
-
-      puts 'Delete records and associated files from deprecated preview cards? [y/N]: '
-      confirm = STDIN.gets.chomp
-
-      if confirm.casecmp('y').zero?
-        DeprecatedPreviewCard.in_batches.destroy_all
-
-        puts 'Drop deprecated preview cards table? [y/N]: '
-        confirm = STDIN.gets.chomp
-
-        if confirm.casecmp('y').zero?
-          ActiveRecord::Migration.drop_table :deprecated_preview_cards
-        end
-      end
-    end
-
-    desc 'Migrate photo preview cards made before 2.1'
-    task migrate_photo_preview_cards: :environment do
-      status_ids = Status.joins(:preview_cards)
-                         .where(preview_cards: { embed_url: '', type: :photo })
-                         .reorder(nil)
-                         .group(:id)
-                         .pluck(:id)
-
-      PreviewCard.where(embed_url: '', type: :photo).delete_all
-      LinkCrawlWorker.push_bulk status_ids
-    end
-
-    desc 'Find case-insensitive username duplicates of local users'
-    task find_duplicate_usernames: :environment do
-      include RoutingHelper
-
-      disable_log_stdout!
-
-      duplicate_masters = Account.find_by_sql('SELECT * FROM accounts WHERE id IN (SELECT min(id) FROM accounts WHERE domain IS NULL GROUP BY lower(username) HAVING count(*) > 1)')
-      pastel = Pastel.new
-
-      duplicate_masters.each do |account|
-        puts pastel.yellow('First of their name: ') + pastel.bold(account.username) + " (#{admin_account_url(account.id)})"
-
-        Account.where('lower(username) = ?', account.username.downcase).where.not(id: account.id).each do |duplicate|
-          puts '  ' + pastel.red('Duplicate: ') + admin_account_url(duplicate.id)
-        end
-      end
-    end
-
-    desc 'Remove all home feed regeneration markers'
-    task remove_regeneration_markers: :environment do
-      keys = Redis.current.keys('account:*:regeneration')
-
-      Redis.current.pipelined do
-        keys.each { |key| Redis.current.del(key) }
-      end
-    end
-
-    desc 'Check every known remote account and delete those that no longer exist in origin'
-    task purge_removed_accounts: :environment do
-      prepare_for_options!
-
-      options = {}
-
-      OptionParser.new do |opts|
-        opts.banner = 'Usage: rails mastodon:maintenance:purge_removed_accounts [options]'
-
-        opts.on('-f', '--force', 'Remove all encountered accounts without asking for confirmation') do
-          options[:force] = true
-        end
-
-        opts.on('-h', '--help', 'Display this message') do
-          puts opts
-          exit
-        end
-      end.parse!
-
-      disable_log_stdout!
-
-      total        = Account.remote.where(protocol: :activitypub).count
-      progress_bar = ProgressBar.create(total: total, format: '%c/%C |%w>%i| %e')
-
-      Account.remote.where(protocol: :activitypub).partitioned.find_each do |account|
-        progress_bar.increment
-
-        begin
-          code = Request.new(:head, account.uri).perform(&:code)
-        rescue StandardError
-          # This could happen due to network timeout, DNS timeout, wrong SSL cert, etc,
-          # which should probably not lead to perceiving the account as deleted, so
-          # just skip till next time
-          next
-        end
-
-        if [404, 410].include?(code)
-          if options[:force]
-            SuspendAccountService.new.call(account)
-            account.destroy
-          else
-            progress_bar.pause
-            progress_bar.clear
-            print "\nIt seems like #{account.acct} no longer exists. Purge the account from the database? [Y/n]: ".colorize(:yellow)
-            confirm = STDIN.gets.chomp
-            puts ''
-            progress_bar.resume
-
-            if confirm.casecmp('n').zero?
-              next
-            else
-              SuspendAccountService.new.call(account)
-              account.destroy
-            end
-          end
-        end
-      end
-    end
-  end
 end
 
 def disable_log_stdout!