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# frozen_string_literal: true
module Achievements
class AwardService
attr_reader :current_user, :achievement_id, :recipient_id
def initialize(current_user, achievement_id, recipient_id)
@current_user = current_user
@achievement_id = achievement_id
@recipient_id = recipient_id
end
def execute
achievement = Achievements::Achievement.find(achievement_id)
return error_no_permissions unless allowed?(achievement)
recipient = User.find(recipient_id)
user_achievement = Achievements::UserAchievement.create(
achievement: achievement,
user: recipient,
awarded_by_user: current_user)
return error_awarding(user_achievement) unless user_achievement.persisted?
ServiceResponse.success(payload: user_achievement)
rescue ActiveRecord::RecordNotFound => e
error(e.message)
end
private
def allowed?(achievement)
current_user&.can?(:award_achievement, achievement)
end
def error_no_permissions
error('You have insufficient permissions to award this achievement')
end
def error_awarding(user_achievement)
error(user_achievement&.errors&.full_messages || 'Failed to award achievement')
end
def error(message)
ServiceResponse.error(message: Array(message))
end
end
end
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