job.rb

# frozen_string_literal: true
module InsightfulAnalytics
  class HourlyRevenueCalculationJob
    #...

    def perform(location_id, start_time)
      @start_time = start_time
      @location_id = location_id
      return unless location

      totals_by_op.each do |hash|
        next if duplicate_present? (hash[:op_id])
        # NOTE: notice create!
        LogHourlyRevenueFluctuationsEvent.create!( 
          location: location,
          ordering_platform_id: hash[:op_id],
          start_datetime: start_datetime.beginning_of_hour,
          total_revenue: hash[:total],
          closed_ticket_count: hash[:closed_ticket_count]
        )
        rescue ActiveRecord::RecordInvalid
      end
    end
    
    #...
  end
end

log_hourly_revenue_fluctuations_event.rb

class LogHourlyRevenueFluctuationEvent < ActiveRecord::Base
  validates_uniquenss_of :start_datetime, { scope: [:location_id, :ordering_platform_id], message: "" }
end