#updates

#params
  Parameters: {"workout"=>{"0"=>{"unit"=>"kg", "name"=>"2013-02-21T23:19:56", "note"=>"", "workout_entries"=>{"0"=>{"workout_entry_number"=>"1", "exercise_id"=>"2", "entry_details"=>{"0"=>{"set_number"=>"1", "weight"=>"32", "reps"=>"6"}}}, "1"=>{"workout_entry_number"=>"2", "exercise_id"=>"3", "entry_details"=>{"0"=>{"set_number"=>"1", "weight"=>"12", "reps"=>"43"}}}}}}}

#workout controller create action
  def create
    #creating the workout
    current_user_workouts = current_user.workouts
    params[:workout].each do |k,v|
      @workout = current_user_workouts.create(v.except("workout_entries"))
      if @workout.save
        v["workout_entries"].each do |k2, v2|
          #creating the workout entries
          @workout_entry = @workout.workout_entries.create(v2.except("entry_details"))
          v2["entry_details"].each do |k3, v3|
            #creating the entry details
            @workout_entry.entry_details.create(v3)
          end
        end
        render :json => @workout
      else
        render :json => { :errors => @workout.errors.full_messages }, :status => 422
      end
    end
  end

#remove accepts_nested_attributes_for in the workout and workout_entry models

class Workout < ActiveRecord::Base

  has_many :workout_entries, dependent: :destroy, :inverse_of => :workout
  attr_accessible :id, :name, :note, :unit, :workout_entries
  belongs_to :user

  validates_presence_of :name #, :with => /\A\Z/
  validates_presence_of :unit, :inclusion => %w(kg lb)
  validates_associated :workout_entries

  default_scope order("created_at DESC")

end

class WorkoutEntry < ActiveRecord::Base

  belongs_to :workout
  belongs_to :exercise
  has_many :entry_details, dependent: :destroy, :inverse_of => :workout_entry

  attr_accessible :workout_id, :workout_entry_number,:exercise_id, :entry_details

  validates :exercise_id, presence: true, numericality: {only_integer: true}, :inclusion => { :in => 1..790 }
  validates :workout_id, presence: true, numericality: {only_integer: true, greater_than_or_equal_to: 1}
  validates :workout_entry_number, presence: true, numericality: {only_integer: true, greater_than_or_equal_to: 1}

end