aperonight/app/jobs/event_reminder_scheduler_job.rb

class EventReminderSchedulerJob < ApplicationJob
  queue_as :default

  def perform
    schedule_weekly_reminders
    schedule_daily_reminders
    schedule_day_of_reminders
  end

  private

  def schedule_weekly_reminders
    # Find events starting in exactly 7 days
    target_date = 7.days.from_now.beginning_of_day
    events = Event.published
                  .where(start_time: target_date..(target_date + 1.day))

    events.find_each do |event|
      EventReminderJob.perform_later(event.id, 7)
    end
  end

  def schedule_daily_reminders
    # Find events starting in exactly 1 day (tomorrow)
    target_date = 1.day.from_now.beginning_of_day
    events = Event.published
                  .where(start_time: target_date..(target_date + 1.day))

    events.find_each do |event|
      EventReminderJob.perform_later(event.id, 1)
    end
  end

  def schedule_day_of_reminders
    # Find events starting today
    target_date = Time.current.beginning_of_day
    events = Event.published
                  .where(start_time: target_date..(target_date + 1.day))

    events.find_each do |event|
      EventReminderJob.perform_later(event.id, 0)
    end
  end
end