submit-social-housing-lettings-and-sales-data/app/models/bulk_upload.rb

class BulkUpload < ApplicationRecord
  enum log_type: { lettings: "lettings", sales: "sales" }

  belongs_to :user

  has_many :bulk_upload_errors, dependent: :destroy

  has_many :lettings_logs
  has_many :sales_logs

  after_initialize :generate_identifier, unless: :identifier

  def year_combo
    "#{year}/#{year - 2000 + 1}"
  end

  def logs
    if lettings?
      lettings_logs
    else
      sales_logs
    end
  end

private

  def generate_identifier
    self.identifier ||= SecureRandom.uuid
  end
end