event.rb

class Event < ApplicationRecord
  scope :upcoming, -> { where("start > ?", Time.current) }
  def date
    start.to_date
  end

  def times
    hour_meridian = "%l%P"
    start.strftime(hour_meridian) + " - " + finish.strftime(hour_meridian).strip
  end

  def self.update_events(gcal_events)
    gcal_events.each do |gcal_event|
      transaction(requires_new: true) do
        Event.find_or_initialize_by(
          calendar_event_id: gcal_event.id,
          calendar_id: gcal_event.calendar_id
        ).update(
          description: gcal_event.description,
          start: gcal_event.start,
          finish: gcal_event.finish,
          attendees: gcal_event.attendees,
          summary: gcal_event.summary
        )
      end
    end
  end
end