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An admin comes onto the website and creates an assignment which is a content type. Students come onto the website and create submissions that point to the certain assignment. There is a file upload field where students can upload their submission. I want to make it so when the admin creates the assignment, he/she can choose which file types are allowed. Is there a field that will automatically process what file types the admin chose so that a student can only upload that specific file type?

  • Hi. I don't think that it's possible to do it via some module. But I can provide step by step instruction for developer, how to do it. Is it suitable for you? – Eugene Aug 18 '15 at 4:12
  • Yes, I prefer to do most of the stuff on the website in my own custom modules, could you provide an explanation? @Eugene – Matt Aug 18 '15 at 14:19
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So, it's the rough instruction step by step as Matt asked:

  1. Add new field where you can specify the allowed extensions of the files.

  2. Alter the form of your submission via hook_form_alter() and find your file upload field enter image description here

  3. Specify your allowed extensions from your field with extensions into this point

  • What application did you use to find all of this field information? Sorry, I'm pretty new to Drupal. – Matt Aug 18 '15 at 15:30
  • It's PHPStorm in debug mode – Eugene Aug 18 '15 at 16:54

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