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Asked: 2026-05-24T22:37:18+00:00

This is the error I get: NoMethodError in Devise::RegistrationsController#create undefined method `trial_duration’ for nil:NilClass

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This is the error I get:

NoMethodError in Devise::RegistrationsController#create

undefined method `trial_duration' for nil:NilClass
app/models/user.rb:120:in `set_trial_end'

This is the relevant parts of my User.rb

before_create :set_trial_end

def set_trial_end
  plan = self.plan
  end_of_trial = Date.today + self.plan.trial_duration.days
  self.trial_end_date = end_of_trial.to_date
end

What’s strange is that if I look in my DB, for a user that is assigned a plan and look at the trial_duration attribute, I get a reply:

ruby-1.9.2-p0 > tu
 => #<User id: 29, email: "test50@abc.com", encrypted_password: "$2a$10$TKKQmBYem.vDq.mwDutv2u92Vick0X0jAIUQT6A9.FM....", password_salt: "$2a$10$TKKQmBYem.vDq.mwDutv2u", reset_password_token: nil, remember_token: nil, remember_created_at: nil, sign_in_count: 1, current_sign_in_at: "2011-06-18 23:03:12", last_sign_in_at: "2011-06-18 23:03:12", current_sign_in_ip: "127.0.0.1", last_sign_in_ip: "127.0.0.1", username: "test50", first_name: "Test", last_name: "Fifty", created_at: "2011-06-18 23:02:48", updated_at: "2011-06-18 23:03:12", invitation_token: nil, invitation_sent_at: nil, plan_id: 2, current_state: nil, confirmation_token: nil, confirmed_at: "2011-06-18 23:03:12", confirmation_sent_at: "2011-06-18 23:02:47", space_used: 0, failed_attempts: 0, unlock_token: nil, locked_at: nil, trial_end_date: "2011-07-02", active_subscription: nil, customer_id: nil> 
ruby-1.9.2-p0 > tu.plan
 => #<Plan id: 2, name: "Boutique", storage: 100.0, num_of_projects: 99999, num_of_clients: 10, cached_slug: "boutique", created_at: "2011-01-31 09:46:57", updated_at: "2011-08-11 08:22:48", amount: 19, trial_duration: 14, trial_duration_unit: "days", currency: "USD", billing_cycle: 28, billing_cycle_unit: "days"> 
ruby-1.9.2-p0 > tu.plan.trial_duration
 => 14
ruby-1.9.2-p0 > tu.plan.trial_duration.days
 => 14 days

So not sure why Rails is giving me that error.

Any ideas?

Edit 1:

In my view, I have this:

<% if params[:promo] %>
    <%= text_field_tag "xcode", nil, :placeholder => "Coupon Code" %><br /> 
<%= hidden_field_tag(:plan_id, "1") %>
<% end %>

And in the POST, from my log, you can see the parameter plan_id set to 1

Started POST "/users" for 127.0.0.1 at 2011-08-24 03:11:07 -0500
  Processing by Devise::RegistrationsController#create as HTML
  Parameters: {"utf8"=>"✓", "authenticity_token"=>"Jp2GHxnuVOVnI/sfr1CB4EQ9URCTJynv/2Ek4AiU8Lg=", "user"=>{"username"=>"test.user", "first_name"=>"Testing", "last_name"=>"User", "password"=>"[FILTERED]", "password_confirmation"=>"[FILTERED]", "email"=>"testuser@abc.com"}, "xcode"=>"testcouponcode", "plan_id"=>"1", "commit"=>"Register"}
nil

But I am still getting the error Plan can't be blank on the next page.

I have added the after_validation callback instead of after_create, so I no longer the NoMethodError. But the problem isn’t solved.

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1 Answer

  1. Editorial Team

    You’re using a before_create hook that’s assuming that self.plan is set:

    before_create :set_trial_end

def set_trial_end
  #...
  end_of_trial = Date.today + self.plan.trial_duration.days

    And your error says:

    undefined method `trial_duration' for nil:NilClass

    So self.plan is nil during your set_trial_end call.

    Perhaps you want an after_create hook so that you’ll have some instance data to work with. Even then you’d want to check for self.plan.nil? (just in case) and use a validation to make sure you get one:

    class User < ActiveRecord::Base
  validates_presence_of :plan_id
  #...

    Or maybe an after_validation hook would serve you better.

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