Wolfmans Howlings

A programmers Blog about Programming solutions and a few other issues

Bit Vector Preferences

Posted by Jim Morris on Tue Aug 07 23:53:09 -0700 2007

In my latest web project I potentially have a lot of boolean preferences, which I use for enabling or disabling various email notifications to users.

Rather than having to add a migration everytime I want to add a new preference, I thought I would use the composed_of feature in my model and compose the boolean preferences from a bitvector. That way I can simply modify my model to add new preferences rather than add new columns to the database.

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Posted in Rails  |  Tags rails,preferences,composed_of,bitvector  |  2 comments