Sha256: 0bde949a702351900327662260d6493573442ebe76f198437fc1642c0f7237f4
Contents?: true
Size: 1.2 KB
Versions: 8
Compression:
Stored size: 1.2 KB
Contents
module Gamification
class Goal < ApplicationRecord
belongs_to :rewarding, polymorphic: true
has_one :medal, dependent: :destroy
has_many :rewards, dependent: :destroy
accepts_nested_attributes_for :medal, allow_destroy: true, reject_if: :all_blank
# TODO: These should be SQL. But that's hard.
scope :completed_by, ->(subject) { all.select { |goal| goal.completed_by? subject }}
scope :incomplete_by, ->(subject) { all.reject { |goal| goal.completed_by? subject }}
# Determine whether the given subject has completed the goal.
#
# subject - An ActiveRecord model that can receive rewards.
def completed_by? subject
!!reward_for(subject)
end
# Complete the goal for the given subject.
#
# subject - An ActiveRecord model that can receive rewards.
def complete_for subject
if completed_by? subject
raise Completed, "#{self} is already completed for #{subject}"
else
Reward.create! goal: self, rewardable: subject
end
end
private
# Find the Reward for the given subject.
#
# subject - A rewardable model.
def reward_for rewardable
rewards.find_by rewardable: rewardable
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems