111 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			111 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
require_relative '../../lib/mastodon/migration_warning'
 | 
						|
 | 
						|
class MigrateAccountConversations < ActiveRecord::Migration[5.2]
 | 
						|
  include Mastodon::MigrationWarning
 | 
						|
 | 
						|
  disable_ddl_transaction!
 | 
						|
 | 
						|
  class Mention < ApplicationRecord
 | 
						|
    belongs_to :account, inverse_of: :mentions
 | 
						|
    belongs_to :status, -> { unscope(where: :deleted_at) }
 | 
						|
 | 
						|
    delegate(
 | 
						|
      :username,
 | 
						|
      :acct,
 | 
						|
      to: :account,
 | 
						|
      prefix: true
 | 
						|
    )
 | 
						|
  end
 | 
						|
 | 
						|
  class Notification < ApplicationRecord
 | 
						|
    belongs_to :account, optional: true
 | 
						|
    belongs_to :activity, polymorphic: true, optional: true
 | 
						|
 | 
						|
    belongs_to :status,  foreign_key: 'activity_id', optional: true
 | 
						|
    belongs_to :mention, foreign_key: 'activity_id', optional: true
 | 
						|
 | 
						|
    def target_status
 | 
						|
      mention&.status
 | 
						|
    end
 | 
						|
  end
 | 
						|
 | 
						|
  class AccountConversation < ApplicationRecord
 | 
						|
    belongs_to :account
 | 
						|
    belongs_to :conversation
 | 
						|
    belongs_to :last_status, -> { unscope(where: :deleted_at) }, class_name: 'Status'
 | 
						|
 | 
						|
    before_validation :set_last_status
 | 
						|
 | 
						|
    class << self
 | 
						|
      def add_status(recipient, status)
 | 
						|
        conversation = find_or_initialize_by(account: recipient, conversation_id: status.conversation_id, participant_account_ids: participants_from_status(recipient, status))
 | 
						|
 | 
						|
        return conversation if conversation.status_ids.include?(status.id)
 | 
						|
 | 
						|
        conversation.status_ids << status.id
 | 
						|
        conversation.unread = status.account_id != recipient.id
 | 
						|
        conversation.save
 | 
						|
        conversation
 | 
						|
      rescue ActiveRecord::StaleObjectError
 | 
						|
        retry
 | 
						|
      end
 | 
						|
 | 
						|
      private
 | 
						|
 | 
						|
      def participants_from_status(recipient, status)
 | 
						|
        ((status.active_mentions.pluck(:account_id) + [status.account_id]).uniq - [recipient.id]).sort
 | 
						|
      end
 | 
						|
    end
 | 
						|
 | 
						|
    private
 | 
						|
 | 
						|
    def set_last_status
 | 
						|
      self.status_ids     = status_ids.sort
 | 
						|
      self.last_status_id = status_ids.last
 | 
						|
    end
 | 
						|
  end
 | 
						|
 | 
						|
  def up
 | 
						|
    migration_duration_warning
 | 
						|
 | 
						|
    migrated  = 0
 | 
						|
    last_time = Time.zone.now
 | 
						|
 | 
						|
    local_direct_statuses.includes(:account, mentions: :account).find_each do |status|
 | 
						|
      AccountConversation.add_status(status.account, status)
 | 
						|
      migrated += 1
 | 
						|
 | 
						|
      if Time.zone.now - last_time > 1
 | 
						|
        say_progress(migrated)
 | 
						|
        last_time = Time.zone.now
 | 
						|
      end
 | 
						|
    end
 | 
						|
 | 
						|
    notifications_about_direct_statuses.includes(:account, mention: { status: [:account, mentions: :account] }).find_each do |notification|
 | 
						|
      AccountConversation.add_status(notification.account, notification.target_status)
 | 
						|
      migrated += 1
 | 
						|
 | 
						|
      if Time.zone.now - last_time > 1
 | 
						|
        say_progress(migrated)
 | 
						|
        last_time = Time.zone.now
 | 
						|
      end
 | 
						|
    end
 | 
						|
  end
 | 
						|
 | 
						|
  def down; end
 | 
						|
 | 
						|
  private
 | 
						|
 | 
						|
  def say_progress(migrated)
 | 
						|
    say "Migrated #{migrated} rows", true
 | 
						|
  end
 | 
						|
 | 
						|
  def local_direct_statuses
 | 
						|
    Status.unscoped.local.where(visibility: :direct)
 | 
						|
  end
 | 
						|
 | 
						|
  def notifications_about_direct_statuses
 | 
						|
    Notification.joins('INNER JOIN mentions ON mentions.id = notifications.activity_id INNER JOIN statuses ON statuses.id = mentions.status_id').where(activity_type: 'Mention', statuses: { visibility: :direct })
 | 
						|
  end
 | 
						|
end
 |