How to store files with meta data in LoopBack?

Question

What I want to do: Have an html form, with a file input inside. When a file is chosen, the file input should upload the file, and get a file id, so when the form is submitte

Answer 1

Just pass the data as "params" object and at server you can get it as ctx.req.query

For example

At client side

Upload.upload(
{
    url: '/api/containers/container_name/upload',
    file: file,
    //Additional data with file
    params:{
     orderId: 1, 
     customerId: 1,
     otherImageInfo:[]
    }
});

At Server side

Suppose your storage model name is container

Container.beforeRemote('upload', function(ctx,  modelInstance, next) {
    //OUPTUTS: {orderId:1, customerId:1, otherImageInfo:[]}
    console.log(ctx.req.query); 
    next();
})