ActiveForce refactor.

new.rb

class Account < ActiveForce::SObject
  ...
  has_many :medications,
    where: "(Date_Discontinued__c > #{ Date.today.strftime("%Y-%m-%d") } or Date_Discontinued__c = NULL)"
  ...
end

class PortalUser < ActiveRecord::Base
  ...
  def medications
    @medications ||= account.medications
  end
  ...
end

class Medication < ActiveForce::SObject
  ...
  field :account_id,         from: 'Account'

  table_name = 'Patient_Medication__c'
  ...
end

old.rb

class PortalUser < ActiveRecord::Base

  def medications
    @medications ||= find_medications.map do |sobject|
      Medication.build sobject
    end if account_id?
  end

  def find_medications
    Client.query(<<-SOQL.strip_heredoc).first.Patient_Medications__r.to_a
       SELECT Id,
         (SELECT #{Medication.mappings.values.join(', ')} FROM Patient_Medications__r
           WHERE Date_Discontinued__c > #{ Date.today.strftime("%Y-%m-%d") } or Date_Discontinued__c = NULL)
       FROM Account
       WHERE Id = '#{account_id}'
     SOQL
  end
end