You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: mls_controller.rb
    path of file: ./repos/property_web_scraper/app/controllers/property_web_scraper
    
    the code of the file until where you have to start completion: require_dependency 'property_web_scraper/application_controller'

module PropertyWebScraper
  class MlsController < ApplicationController
    
    def welcome
      @import_source = PropertyWebScraper::MlsImportSource.find_by_slug params[:mls_slug]
      if @import_source.blank?
        @import_sources = PropertyWebScraper::MlsImportSource.all
        @prompt_for_mls = true
      else
        @login_url = @import_source.details[:login_url]
      end