Rails - Feb 2009 - Restful Controllers session state and custom actions.

hi,
i''m working with a model with a has_many association. i''m
using the
complex forms (ala ryan bates) design. it''s been straight forward
i''ve
just followed that particular design, using a map.resources route, & 7
action controller.

The models are:

Booking
has_many :booking_items

when adding booking_items its a fairly lengthy process, i need to page
the form for selecting items etc, so up to now i''ve been saving the
Booking with a State=''Created'' (AASM). and editing the model
until the
user pays at which point i move the model into a ''Paid'' state.

But to try n simplify it i''ve decided to put the model in session state
and once its ready to be created i then follow the usual path, or
''post''
to ''create'' etc.

my question is, when adding booking_items to my booking in session state
i''m posting to a custom action on my controller, and when clearing
session (for a ''Start Again'' button) again i''m
posting to a custom
method which clears the session.

it doesnt really feel right but i''m not really sure of any
alternatives,
has anyone got any advise?

cheers.
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