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# frozen_string_literal: true
module Achievements
class RevokeService
attr_reader :current_user, :user_achievement
def initialize(current_user, user_achievement)
@current_user = current_user
@user_achievement = user_achievement
end
def execute
return error_no_permissions unless allowed?(user_achievement.achievement)
return error_already_revoked if user_achievement.revoked?
user_achievement.assign_attributes({
revoked_by_user_id: current_user.id,
revoked_at: Time.zone.now
})
return error_awarding unless user_achievement.save
ServiceResponse.success(payload: user_achievement)
end
private
def allowed?(achievement)
current_user&.can?(:award_achievement, achievement)
end
def error_no_permissions
error('You have insufficient permissions to revoke this achievement')
end
def error_already_revoked
error('This achievement has already been revoked')
end
def error_awarding
error(user_achievement&.errors&.full_messages || 'Failed to revoke achievement')
end
def error(message)
ServiceResponse.error(message: Array(message))
end
end
end
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