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class TrainingHistory
include ActiveModel::Model
attr_reader :user, :exercise
def initialize(user, exercise)
@user = user
@exercise = exercise
end
def cache_key
[ user.to_param, exercise.to_param, sets.count ]
end
def personal_record
sets.successful.maximum(:target_weight)
end
def completed_any?
sets.any?
end
def last_target_sets
last_workout = user.last_workout(exercise)
return 0 if last_workout.blank?
sets.where(workout: last_workout).count
end
def deload?(number_of_workouts: 3)
recent_workouts = user.workouts.recent.with_exercise(exercise)
if recent_workouts.count >= number_of_workouts
recent_workouts.last(number_of_workouts).any? do |workout|
workout.sets.work.any?(&:failed?)
end
else
false
end
end
def last_weight(successfull_only: false)
if successfull_only
sets.successful.last.try(:target_weight)
else
sets.last.try(:target_weight)
end
end
def to_line_chart
user.workouts.with_exercise(exercise).to_line_chart
end
private
def sets
user.sets.work.for(exercise)
end
end
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