vegantech/sims

module Stats::Intervention
  extend ActiveSupport::Concern
  included do
    define_statistic :interventions , :count => :all, :joins => :student
    define_statistic :students_with_interventions , :count => :all,  :column_name => 'distinct student_id', :joins => :student
    define_statistic :districts_with_interventions, :count => :all, :column_name => 'distinct district_id', :joins => {:intervention_definition => {:intervention_cluster => {:objective_definition => :goal_definition}}}
    define_statistic :users_with_interventions, :count => :all, :column_name => 'distinct user_id', :joins => :user
  end
end