将刮图像的位置保存到数据库节点/ MEAN

Question

刮图像后，我可以使用请求下载到文件夹。我想将此图片的位置传递给我的Mongoose收藏。

在回调中，我认为应该有一种方法来保存位置，以便在保存模型对象时可以传递此信息。

exports.createLook = function(req, res) { 
    var url = req.body.image; 
    var randomizer = '123456'; 

    var download = function(url, filename, callback) { 

    request(url) 
     .pipe(fs.createWriteStream(filename)) 
     .on('close', callback); 
    }; 

    download(url, '../client/assets/images/' + randomizer + '.jpg', function() { 
    console.log('done'); 
    // do something? 
    }); 

    // now get model details to save 
    var newLook = new Look(); 
    newLook.title = req.body.title; 
    newLook.image =  // image location 

    newLook.save(function(err, look) { 
    if(err) return res.send(500); 
    } else { 
    res.send(item); 
    } 
} 

Answer 1

假设“随机”，会产生，我会做：

exports.createLook = function(req, res) { 
    var url = req.body.image; 
    var randomizer = getSomthingRandom(); 

    var download = function(url, filename, callback) { 

    request(url) 
     .pipe(fs.createWriteStream(filename)) 
     .on('close', callback(filename); 
    }; 

    download(url, '../client/assets/images/' + randomizer + '.jpg', function(filename) { 
    console.log('done'); 
    // now get model details to save 
    var newLook = new Look(); 
    newLook.title = req.body.title; 
    newLook.image = filename; 
    .... 
    });