What would be the best approach to make revisions of user content?

Posted by Kevin Simper on Programmers See other posts from Programmers or by Kevin Simper
Published on 2013-06-20T10:50:13Z Indexed on 2013/06/26 16:29 UTC
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I have searched and could not find any information about it. What is the best approach to storing revisions?

I have a website where the user can write a document which can be fairly long (200-300 lines). How do you determine when to make a revision?

Is it not a scalable solution to make a new one whenever the save, because that would be useless to the user when the want to look back, and it would require quite a lot of space.

You could use time and say for every 15 minute they are working on it there would be a revision, but that would sometimes be nothing or the whole document have completely changed.

I could make a diff from the previous revision, and compare by line and look at how many percent of the lines have been changed.

What are other doing revisions?

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