Box API Thumbnail Image for Documents

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tomleahy

• 2017年02月27日 16:22

The Box View API provided an image of the first page of a document as it's thumbnail - while investigating the preview.js functionality, I was attempting the same call for thumbnail using box-java-sdk and noticed it was the generic PDF file image instead of a first page preview. Is there any way to simulate the view version of thumbnail in the new API?

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  SofiaLearn

  • 2017年03月01日 02:35

  Any news on this? same goes with box-node-sdk, in Crocodoc you used to have a thumbnail for documents, in this api you don't seem to have one?

   

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  wcea

  • 2017年11月28日 06:18

  See this https://codepen.io/box-platform/pen/WEwXQy

   

  What they do instead is generate representations for files, you can get them here

  https://developer.box.com/v2.0/reference#representations

   

  Then based on the available type (png or jpg) and available resolution (1024x1024) you can do a request to the info.url to trigger boxview to generate that image, you can then proceed to call representations again but with the X-Rep-Hints header specifying the type and resolution that you want, it will give you a content object with a url_template variable, where you replace the {+asset_path} part of the string with the page number that you want, for example for a png at 1024x1024 and page 1 you would replace it with 1.png

   

  you need to call it while passing the auth header like so, adding the token as a parameter in the url will make it all not work.

  Authorization: Bearer ACCESS_TOKEN

   

  convoluted, but I got it to work in php 🙂

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