#restricted-downloads

Initial requirements:

This app should allow downloading files restricted by code.

Characteristics of a DownloadableFile:

• it has expiry date, after which it can not be downloaded,
• in order to download a file, a user needs to provide a DownloadCode,
• Each DownloadCode can be used up to 5 times.

Possible use cases:

• selling or giving digital products and it's distribution via this app with individual download codes