discourse/plugins/chat/app/models/chat_draft.rb

# frozen_string_literal: true

class ChatDraft < ActiveRecord::Base
  belongs_to :user
  belongs_to :chat_channel

  validate :data_length
  def data_length
    if self.data && self.data.length > SiteSetting.max_chat_draft_length
      self.errors.add(:base, I18n.t("chat.errors.draft_too_long"))
    end
  end
end

# == Schema Information
#
# Table name: chat_drafts
#
#  id              :bigint           not null, primary key
#  user_id         :integer          not null
#  chat_channel_id :integer          not null
#  data            :text             not null
#  created_at      :datetime         not null
#  updated_at      :datetime         not null
#