_buildSpotInfo(spotData){
        const config = this._appContext.config
        const httpUserName = config.authentication.user
        const httpPassword = config.authentication.password
        let dir = ''
        let remoteFile = config.urls.remoteServerUrl + '/remote/getStream/type/'+spotData.type+'/stm/'+spotData.file
        let localFileName = spotData.id
        switch(spotData.type){
            case 'custom_class':
                dir = config.dirs.class
            break;
            case 'courtesy':
                dir = config.dirs.courtesy
                localFileName = spotData.file
                remoteFile = null
            break;
            default:
                dir = config.dirs.spots
            break;
        }
        const localFile = dir+localFileName+config.spotExtension
        const options = {
             auth:{
                user: httpUserName ,
                pass: httpPassword
            }
        }
        return {
            options,
            localFile,
            remoteFile
        }
    }