mediaController.js

let _ = require('lodash');
const uriTokenizer = require('../utils/uriTokenizer');
const tokenizer = new uriTokenizer( { algorithm: 'RS256', expiresIn : '15m' }, { algorithms: ['RS256'] });
const media =  require('../Model/Media');

async function buildMediaFileDownloadUrl(req, mediafile){
    let uri= req.protocol + '://' + req.get('host') + '/file/' + (mediafile || "").replace(/^\//, '');    
    return await tokenizer.signUri(uri, { divison : "Honda"});
}

router.get('/:fsno', (req,res,next) =>
{
    if(req.params.fsno){
        media.getMediaFileByFsNo(req.params.fsno, function(err,rows){
            if(err) next(err);
            else
            {
                let filesPromises = _.map(rows, async function(value){
                    return {
                        url: await buildMediaFileDownloadUrl(req, value.DownloadPath),
                        size: parseInt(value.Size),
                        destinationFolder: value.RelativeDestFolder,
                    };
                });
                Promise.all(filesPromises).then(
                    function(result){ 
                        var firmwareFilesData = { results:{
                            totalSize: _.sumBy(rows, function(o) { return o.Size; }),
                            folderStruct : _.map(_.uniq(_.filter(rows, function(o) { return o.RelativeDestFolder && o.RelativeDestFolder.length !=''; })),
                                function(value){
                                    return value.RelativeDestFolder
                                }
                            ),
                            files : result
                        }};
                        res.json(firmwareFilesData); 
                    },
                    function error(err){ next(err); }
                );
            }
        });
    }
});
module.exports = router;