ruby on rails - Calling models from other models -

two models in rails 4 app - accommodation.rb , account.rb - each accommodation has_one account.

in accommodation.rb have method:

def my_method   self.field = "something"   save! end 

and call method accommodationscontroller.rb using:

accommodation.my_method 

but need able call method in account.rb accommodation.rb model whilst maintaining association if create or update record in accounts table know accommodation_id reference. on lines of:

account.accommodation.my_other_method 

but know won't work "stab in dark"

note i'm trying keep logic in models

to reference associated model (in order call methods on it, instance), use automatically generated method matches name of model.

for instance, if accommodation has_one account, , accommodation accommodation object, can call accommodation.account refer associated account. reference can have methods called on normal: accommodation.account.my_account_instance_method(foo)

alternatively, if you're in method definition in accommodation, can refer method directly:

class accommodation   has_one :account    def do_something     account.my_account_instance_method   end end 

all of pretty documented in rails associations basics guide, highly recommend through @ least briefly.