Example: Data Import as a Process

workouts_controller.rb

class WorkoutsController < ApplicationController
  
  ...
  
  def index
    @workouts = Workout.complete
  end
  
  def fix_incompletes
    @workouts = Workout.needs_revision
  end
  
  def performance
    workouts = Workout.complete
    @overall_strength_chart = calculate_strength_changes(workouts)
    @aerobic_capacity_chart = calculate_aerobic_capacity_changes(workouts)
  end
  
end