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rulesspace
2006 May 12
1
can I fake has_one :through?
...''m having a difficult time wrapping my head around a set of models
and their associations and seeing how they map into Rails. I''ll try
to lay out my problem using the has_many and belongs_to structures. I
have a RuleSpace, a Rule, and a Subject.
A RuleSpace has_many Rules
A RulesSpace has_many Subjects through Rules
A Rule belongs_to (many) RuleSpaces
A Rule has_many Subjects
A Subject has_one Rule
A Subject has_one RuleSpace
So given a single Subject I should be able to find a single Rule and
a single RuleSpace. Going the other way, given a RuleSpace I should
find many...