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