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I am using FilePicker gem and saving files to Amazon S3 bucket. I would like to save metadata of uploaded files into my database, but I stuck how to do that - in the documentation to the gem is written:

Accessing FilePicker File with OnChange:

When the dialog finishes uploading the file, the javascript code in the onchange field will be run with a special 'event' variable. The variable has a fpfiles (or if not multiple, also fpfile) attribute with information about the files (jQuery users: look under event.originalEvent).

But I am still fighting with a way how to implement fetching these data with jQuery - could I ask you for help with this thing? Upload itself to S3 bucket is working well, but I don't know how to pull metadata of uploaded files.

Thank you so much for your time

user984621
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I think there already is a similar question in SO with an accepted answer that could help you too: Using filepicker-rails gem, how can I show my users a confirmation that their avatar has been succesfully uploaded?

Basecally you can register an onchange event on the file input field, the first parameter of called function will be the event object holding the meta data.

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bubblez
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  • The problem is that I am not so skilled to write the JS function for handling and saving these information. – user984621 Oct 02 '13 at 14:28
  • ok, what you got so far? have you read https://developer.mozilla.org/en-US/docs/Using_files_from_web_applications ? – bubblez Oct 09 '13 at 08:35
  • or a complete tutorial: http://www.raymondcamden.com/index.cfm/2013/10/1/MultiFile-Uploads-and-Multiple-Selects?utm_source=html5weekly&utm_medium=email – bubblez Oct 09 '13 at 21:42