catstodon/app/services/unreact_service.rb

# frozen_string_literal: true

class UnreactService < BaseService
  include Payloadable

  def call(account, status, emoji)
      name, domain = emoji.split('@')
      custom_emoji = CustomEmoji.find_by(shortcode: name, domain: domain)
      reaction = StatusReaction.find_by(account: account, status: status, name: name, custom_emoji: custom_emoji)
      return if reaction.nil?

      reaction.destroy!

      json = Oj.dump(serialize_payload(reaction, ActivityPub::UndoEmojiReactionSerializer))
      if status.account.local?
        ActivityPub::RawDistributionWorker.perform_async(json, status.account.id)
      else
        ActivityPub::DeliveryWorker.perform_async(json, reaction.account_id, status.account.inbox_url)
      end

      reaction
    end
end