chatwoot/app/controllers/api/v1/widget/base_controller.rb

class Api::V1::Widget::BaseController < ApplicationController
  private

  def conversation
    @conversation ||= @contact_inbox.conversations.where(
      inbox_id: auth_token_params[:inbox_id]
    ).last
  end

  def auth_token_params
    @auth_token_params ||= ::Widget::TokenService.new(token: request.headers[header_name]).decode_token
  end

  def header_name
    'X-Auth-Token'
  end

  def set_web_widget
    @web_widget = ::Channel::WebWidget.find_by!(website_token: permitted_params[:website_token])
    @account = @web_widget.account
  end

  def set_contact
    @contact_inbox = @web_widget.inbox.contact_inboxes.find_by(
      source_id: auth_token_params[:source_id]
    )
    @contact = @contact_inbox.contact
  end
end