fedibird-fe/db/migrate/20181024224956_migrate_account_conversations.rb

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class MigrateAccountConversations < ActiveRecord::Migration[5.2]
disable_ddl_transaction!
def up
say ''
say 'WARNING: This migration may take a *long* time for large instances'
say 'It will *not* lock tables for any significant time, but it may run'
say 'for a very long time. We will pause for 10 seconds to allow you to'
say 'interrupt this migration if you are not ready.'
say ''
10.downto(1) do |i|
say "Continuing in #{i} second#{i == 1 ? '' : 's'}...", true
sleep 1
end
local_direct_statuses.find_each do |status|
AccountConversation.add_status(status.account, status)
end
notifications_about_direct_statuses.find_each do |notification|
AccountConversation.add_status(notification.account, notification.target_status)
end
end
def down
end
private
def local_direct_statuses
Status.unscoped
.local
.where(visibility: :direct)
.includes(:account, mentions: :account)
end
def notifications_about_direct_statuses
Notification.joins(mention: :status)
.where(activity_type: 'Mention', statuses: { visibility: :direct })
.includes(:account, mention: { status: [:account, mentions: :account] })
end
end