How can I implement CollectionFS's isUploaded feature?

I’m trying to migrate from CollectionFS to Meteor-Files but is now stock at codes using isUploaded function.

The scenario is, the UI is rendered by a jade template, and it has code like this:

each attachments
  .attachment-item
    a.attachment-thumbnail.swipebox(href="{{url}}" title="{{name}}")
      if isUploaded
        if isImage
          img.attachment-thumbnail-img(src="{{url}}")
        else
          span.attachment-thumbnail-ext= extension
      else
        +spinner

I tried to add a meta field called isUploaded and use a helper to return this.meta.isUploaded, but I found neither in the onUploaded function nor .on('end', callback) I can get the FileCursor object to update meta.isUploaded. When I call Attachments.findOne(fileObj._id) it always returns undefined.

Since the UI is jade templated it’s hard for me to do like “receive event, pass to another jade template, and update templated UI”. I’m not that familiar to meteor-jade templating, so I’d rather have a reactive variable (function?) solution.

So is there a way to simply implement CollectionFS’s isUploaded feature? Thank you!

[urakagi]

@dr-dimitru Got it, I think I need to modify the interface since __pre-colletion also is not the solution. I’ll close this issue, thank you very much.

[urakagi]

Great! Seems like it’s what I want. Thank you very much.

dr.dimitru [e-mail] 於 2019年11月25日 週一 下午10:22寫道：

@urakagi https://github.com/urakagi to write (e.g. update) a record in MongoDB you have to use it as any other MongoDB collection (no magic here), good place to update your record would be onAfterUpload hook https://github.com/VeliovGroup/Meteor-Files/blob/master/docs/constructor.md or afterUpload event https://github.com/VeliovGroup/Meteor-Files/blob/master/docs/constructor.md#event-map

Lear more about Mongo.Collection instances here https://github.com/VeliovGroup/Meteor-Files/wiki/Collection-Instances

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