mastodon/app/services/update_status_service.rb

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# frozen_string_literal: true
class UpdateStatusService < BaseService
include Redisable
include LanguagesHelper
class NoChangesSubmittedError < StandardError; end
# @param [Status] status
# @param [Integer] account_id
# @param [Hash] options
# @option options [Array<Integer>] :media_ids
# @option options [Array<Hash>] :media_attributes
# @option options [Hash] :poll
# @option options [String] :text
# @option options [String] :spoiler_text
# @option options [Boolean] :sensitive
# @option options [String] :language
def call(status, account_id, options = {})
@status = status
@options = options
@account_id = account_id
@media_attachments_changed = false
@poll_changed = false
Status.transaction do
create_previous_edit!
update_media_attachments! if @options.key?(:media_ids)
update_poll! if @options.key?(:poll)
update_immediate_attributes!
create_edit!
end
queue_poll_notifications!
reset_preview_card!
update_metadata!
broadcast_updates!
@status
rescue NoChangesSubmittedError
# For calls that result in no changes, swallow the error
# but get back to the original state
@status.reload
end
private
def update_media_attachments!
previous_media_attachments = @status.ordered_media_attachments.to_a
next_media_attachments = validate_media!
added_media_attachments = next_media_attachments - previous_media_attachments
(@options[:media_attributes] || []).each do |attributes|
media = next_media_attachments.find { |attachment| attachment.id == attributes[:id].to_i }
next if media.nil?
media.update!(attributes.slice(:thumbnail, :description, :focus))
@media_attachments_changed ||= media.significantly_changed?
end
MediaAttachment.where(id: added_media_attachments.map(&:id)).update_all(status_id: @status.id)
@status.ordered_media_attachment_ids = (@options[:media_ids] || []).map(&:to_i) & next_media_attachments.map(&:id)
@media_attachments_changed ||= previous_media_attachments.map(&:id) != @status.ordered_media_attachment_ids
@status.media_attachments.reload
end
def validate_media!
return [] if @options[:media_ids].blank? || !@options[:media_ids].is_a?(Enumerable)
raise Mastodon::ValidationError, I18n.t('media_attachments.validations.too_many') if @options[:media_ids].size > Status::MEDIA_ATTACHMENTS_LIMIT || @options[:poll].present?
media_attachments = @status.account.media_attachments.where(status_id: [nil, @status.id]).where(scheduled_status_id: nil).where(id: @options[:media_ids].take(Status::MEDIA_ATTACHMENTS_LIMIT).map(&:to_i)).to_a
not_found_ids = @options[:media_ids].map(&:to_i) - media_attachments.map(&:id)
raise Mastodon::ValidationError, I18n.t('media_attachments.validations.not_found', ids: not_found_ids.join(', ')) if not_found_ids.any?
raise Mastodon::ValidationError, I18n.t('media_attachments.validations.images_and_video') if media_attachments.size > 1 && media_attachments.find(&:audio_or_video?)
raise Mastodon::ValidationError, I18n.t('media_attachments.validations.not_ready') if media_attachments.any?(&:not_processed?)
media_attachments
end
def update_poll!
previous_poll = @status.preloadable_poll
@previous_expires_at = previous_poll&.expires_at
if @options[:poll].present?
poll = previous_poll || @status.account.polls.new(status: @status, votes_count: 0)
# If for some reasons the options were changed, it invalidates all previous
# votes, so we need to remove them
@poll_changed = true if @options[:poll][:options] != poll.options || ActiveModel::Type::Boolean.new.cast(@options[:poll][:multiple]) != poll.multiple
poll.options = @options[:poll][:options]
poll.hide_totals = @options[:poll][:hide_totals] || false
poll.multiple = @options[:poll][:multiple] || false
poll.expires_in = @options[:poll][:expires_in]
poll.reset_votes! if @poll_changed
poll.save!
@status.poll_id = poll.id
elsif previous_poll.present?
previous_poll.destroy
@poll_changed = true
@status.poll_id = nil
end
@poll_changed = true if @previous_expires_at != @status.preloadable_poll&.expires_at
end
def update_immediate_attributes!
@status.text = @options[:text].presence || @options.delete(:spoiler_text) || '' if @options.key?(:text)
@status.spoiler_text = @options[:spoiler_text] || '' if @options.key?(:spoiler_text)
@status.sensitive = @options[:sensitive] || @options[:spoiler_text].present? if @options.key?(:sensitive) || @options.key?(:spoiler_text)
@status.language = valid_locale_cascade(@options[:language], @status.language, @status.account.user&.preferred_posting_language, I18n.default_locale)
# We raise here to rollback the entire transaction
raise NoChangesSubmittedError unless significant_changes?
@status.edited_at = Time.now.utc
@status.save!
end
def reset_preview_card!
return unless @status.text_previously_changed?
@status.reset_preview_card!
LinkCrawlWorker.perform_async(@status.id)
end
def update_metadata!
ProcessHashtagsService.new.call(@status)
ProcessMentionsService.new.call(@status)
end
def broadcast_updates!
DistributionWorker.perform_async(@status.id, { 'update' => true })
ActivityPub::StatusUpdateDistributionWorker.perform_async(@status.id)
end
def queue_poll_notifications!
poll = @status.preloadable_poll
# If the poll had no expiration date set but now has, or now has a sooner
# expiration date, schedule a notification
return unless poll.present? && poll.expires_at.present?
PollExpirationNotifyWorker.remove_from_scheduled(poll.id) if @previous_expires_at.present? && @previous_expires_at > poll.expires_at
PollExpirationNotifyWorker.perform_at(poll.expires_at + 5.minutes, poll.id)
end
def create_previous_edit!
# We only need to create a previous edit when no previous edits exist, e.g.
# when the status has never been edited. For other cases, we always create
# an edit, so the step can be skipped
return if @status.edits.any?
2022-03-09 19:06:51 +00:00
@status.snapshot!(at_time: @status.created_at, rate_limit: false)
end
def create_edit!
@status.snapshot!(account_id: @account_id)
end
def significant_changes?
@status.changed? || @poll_changed || @media_attachments_changed
end
end