jam-cloud/web/app/controllers/api_backing_tracks_controller.rb

class ApiBackingTracksController < ApiController

  # have to be signed in currently to see this screen
  before_filter :api_signed_in_user

  before_filter :lookup_recorded_backing_track, :only => [ :backing_track_silent ]
  
  respond_to :json

  def index    
    tracks = [
      {:name=>'foo',:path=>"foobar.mp3", :length=>4283},
      {:name=>'bar',:path=>"foo.mp3",:length=>3257}
    ]
    @backing_tracks, @next = tracks, nil
    render "api_backing_tracks/index", :layout => nil    
  end

  def backing_track_silent
    @recorded_backing_track.mark_silent

    render :json => {}, :status => 200
  end

  private

  def lookup_recorded_backing_track
    @recorded_backing_track = RecordedBackingTrack.find_by_recording_id_and_client_track_id!(params[:id], params[:track_id])
    raise JamPermissionError, ValidationMessages::PERMISSION_VALIDATION_ERROR unless @recorded_backing_track.recording.has_access?(current_user)
  end

end # class ApiBackingTracksController