All recordings for a phone number

recordings_controller.rb

# GET /recordings/:agent
  def show
    @agent_number = params[:agent]
    @recordings = recordings_for_agent(@agent_number)
  end

  def call_sids(number)
    # store the sids here
    @call_sids = []

    # all calls to our agent number
    @calls = @client.account.calls.list({
      to: number
      }).each do |call|
        @call_sids.push call.sid
      end

    return @call_sids
  end

  # filter the recordings by call_sid
  def recordings_for_call(call_sid)
    @response = {}

    @client.account.recordings.list({
      call_sid: call_sid
      }).each do |recording|
      if recording.uri
        recording_object = {
          'url' => recording.uri + ".mp3", # does twilio-ruby force a .json extension?
          'transcription' => recording.transcriptions.list[0].transcription_text
        }
        @response = recording_object
      end
    end

    # break here if no response
    return if @response.empty?

    return @response
  end

  # get the recordings for each call_sid made to this agent and add
  # to a list of recordings
  def recordings_for_agent(number)
    recordings = []

    call_sids(number).each do |call_sid|
      call_recordings = recordings_for_call(call_sid)
      if call_recordings
        recordings.push call_recordings
      end
    end

    return recordings
  end