24 lines
535 B
Ruby
24 lines
535 B
Ruby
class ExerciseCollection < ActiveRecord::Base
|
|
include TimeHelper
|
|
|
|
has_and_belongs_to_many :exercises
|
|
belongs_to :user, polymorphic: true
|
|
|
|
def exercise_working_times
|
|
working_times = {}
|
|
exercises.each do |exercise|
|
|
working_times[exercise.id] = time_to_f exercise.average_working_time
|
|
end
|
|
working_times
|
|
end
|
|
|
|
def average_working_time
|
|
exercise_working_times.values.reduce(:+) / exercises.size
|
|
end
|
|
|
|
def to_s
|
|
"#{I18n.t('activerecord.models.exercise_collection.one')}: #{name} (#{id})"
|
|
end
|
|
|
|
end
|