Organization #visits

app/models/organization.rb

@@ -1,3 +1,15 @@
 class Organization < ActiveRecord::Base
   has_many :users
+
+  # Sample SQL generated:
+  # SELECT visits.*
+  # FROM "users"
+  # INNER JOIN "patients" ON "patients"."user_id" = "users"."id"
+  # INNER JOIN "patient_authorizations" ON "patient_authorizations"."patient_id" = "patients"."id"
+  # INNER JOIN "visits" ON "visits"."patient_authorization_id" = "patient_authorizations"."id"
+  # WHERE "users"."organization_id" = 321
+  def visits
+    # Please pardon the glaring LoD violation!
+    self.users.joins(:patients => :visits).select('visits.*').map(&:visits).flatten
+  end
 end

spec/models/organization_spec.rb

@@ -0,0 +1,20 @@
+require 'spec_helper'
+
+describe Organization, "#visits" do
+  let(:an_organization) { Organization.create! }
+  let(:associated_user) { an_organization.users.create! }
+  let(:associated_patient) { associated_user.patients.create! }
+  let(:associated_patient_authorization) { associated_patient.patient_authorizations.create!  }
+  let(:associated_visit) { associated_patient_authorization.visits.create! }
+
+  let(:another_organization) { Organization.create! }
+  let(:unassociated_user) { another_organization.users.create! }
+  let(:unassociated_patient) { unassociated_user.patients.create! }
+  let(:unassociated_patient_authorization) { unassociated_patient.patient_authorizations.create!  }
+  let(:unassociated_visit) { unassociated_patient_authorization.visits.create! }
+
+  subject { an_organization }
+
+  its(:visits) { should include associated_visit }
+  its(:visits) { should_not include unassociated_visit }
+end