I'm new to rails & am building out an application to learn from.  From
a conceptual perspective, how would I go about working with a subset
of data?  For example, say I have an application with basic CRUD
operations on "Stuff".  I've implemented the restful_authentication
plugin and am now struggling with how would I deal with setting up
CRUD for "MyStuff" (i.e. Stuff associated with a particular user ID).
What's the best approach? Any good examples/tutorials out there?

Following are thoughts I'm considering:

 - Recreate the controller & views for "Stuff", but just using the
subset of data associated with the user's ID.
    - as a subset to this, I see the "Stuff" controller is  "class
StuffController < ApplicationController".  Do I want to set
       up something like "class MyStuffController < Stuff
Controller".  Is this possible?

 - I've read on various the web pages about filtering, but not sure I
understand it fully.  Can this be used?
    Really I'm just working with a subset of "Stuff", and I'd think I
should be able to re-use the controller, views, etc.
    by just passing it a different data set, but then maybe this is a
naive perspective.

 - Is this an inheritance concept?

Thanks in advance for your guidance!
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