I'm not quite sure how to get at this data using Actrive record..  I'm trying 
to get all the appointments made for a particular project.  I'm using four 
models, Projects, Tasks, Resources and Appointments.

The SQL gets me what I'm looking for but how do I do it using Active Record?

Select a.* from appointments a
join resources r on r.id = a.resource_id
join tasks t on t.id = r.task_id
join projects p on p.id = t.project_id
Where project_id = 1;

I can get all the Resources for a project using this but can not get the 
appointments.  I could loop through the resources getting all the appointments 
and tracking them, but that doesn't seem like the right way to do it.  I could 
also use find_by_sql, but again, that does't seem right.  

class Project < ActiveRecord::Base
  has_many    :tasks
  belongs_to  :customer
  has_many    :resources, :through => :tasks

Any help would be greatly appreciated.
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