Is it possible to include modules in rake task and make its methods available for the task in rails app?

Question

In our rails 3.2.12 app, there is a rake task created under lib/tasks. The rake task needs to call a method find_config() which resides in another rails module authentify (module is not under /lib/). Can we include Authentify in rake task and make method find_config() available to call in the rake task?

Here is what we would like to do in the rake task:

include Authentify
config = Authentify::find_config()

Thanks for comments.

Answer 1

 require 'modules/module_name'

 include ModuleName

 namespace :rake_name do

 desc "description of rake task"

  task example_task: :environment do

   result = ModuleName::method_name()


  end #end task


 end

This works for me. Since your Module is not in /lib you might have to edit how it is required. But it should work. Hope it helps.

Answer 2

PLEASE PAY ATTENTION TO THIS AND SAVE SOME RANDOM HEADACHES!! .
Don't include your module before your namespace:

include YourModule
namespace :your_name do
  desc 'Foo'
  task foo: :environment do
  end
end

or inside your namespace:

namespace :your_name do
  include YourModule

  desc 'Foo'
  task foo: :environment do
  end
end

as that will include your module for the whole app and it could bring you a lot of troubles (like me adding in the module some :attr_accessors and breaking factory-bot functioning or other things it has happened in the past for this same reason).
The "no issues" way is inside of your task's scope:

namespace :your_name do
  desc 'Foo'
  task foo: :environment do
    include YourModule
  end
end

And yes, if you have multiple tasks, you should include in each of them:

namespace :your_name do
  desc 'Foo'
  task foo: :environment do
    include YourModule
  end

  desc 'Bar'
  task bar: :environment do
    include YourModule
  end
end

or simply call your method directly if you're only calling a method once in the task:

namespace :your_name do
  desc 'Foo'
  task foo: :environment do
    YourModule.your_method
  end

  desc 'Bar'
  task bar: :environment do
    YourModule.your_method
  end
end