CODEWITHSUNDEEP
ruby-on-rails
ZK Zhao
ZK Zhao

Reputation: 21513

Rails: delete object 10minutes later after created?

How to delete an object certain times later after it is created?

I thought it would be something like? But how can I schedule this action?

  after_create :destroy_essay

  def destroy_essay
    #  10minutes later
    # self.destroy  
  end

Upvotes: 1

Views: 1737

Answers (3)

soykje
soykje

Reputation: 199

@methyl I think a correct scope would be scope :expired, -> { where('created_at <= ?', 10.minutes.ago) }, wouldn't it?

Upvotes: 0

methyl
methyl

Reputation: 3312

You should probably write rake task for this, and use cron, or if you are on Heroku, Heroku Scheduler to run it.

Add a scope in model, like expired, which returns all items older than 10 minutes, then in rake task do Essay.expired.destroy_all and run this task, for example every one minute.

This rake can look like this:

namespace :app do
  desc "Remove expired essays"

  task :remove_expired_essays => :environment do
    Essay.expired.destroy_all
  end
end

and the scope in your model:

scope :expired, -> { where('created_at >= ?', 10.minutes.ago) }

Upvotes: 0

Leo Correa
Leo Correa

Reputation: 19789

This is actually a perfect job for a background worker. I'd definitely recommend using Sidekiq It even provides a way to perform a job after a certain amount of time in the future. https://github.com/mperham/sidekiq/wiki/Scheduled-Jobs

EssayDestroyer.perform_at(10.minutes.from_now)

On your EssayDestroyer worker you'd then write the code to execute to destroy the essay that you created.

Upvotes: 1

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