better_elsif.rb

class Applicant
  def recent_rejection_reasons
    rejection_reasons.where("rejection_reasons.created_at > '#{longest_days_ago}'")
  end
end

class RejectionReason
  def recently_rejected?
    recency_cutoff = RejectionReason::REJECTION_REASON_CODES[reason_code][:days_blocked].days.ago
    created_at > recency_cutoff
  end
end

def longest_days_ago
  RejectionReason::REJECTION_REASON_CODES
    .max_by{ |k,v| v[:days_blocked] }
    .first[:days_blocked]
    .days.ago
end

elsif (rrs = applicant.recent_rejection_reasons).any?(&:recently_rejected?)