Ruby/Rails - Remove ActiveAdmin from my application

Question

I had a good time playing with Active Admin the administrative framework within my application. http://activeadmin.info/

When I installed it I ran

rails g active_admin:install
rake db:migrate
rails g active_admin:resource product

and it generated alot of migrations and code within my application.

My question if I would like to go back and have everything that active_admin put into my application taken out, how would i do so?

Is there one 'rails active_admin:uninstall' command to get rid of everything or do I have to manually create migrations to delete all the tables and search through my code to see what it added?

Do you use version control?

Andrew Grimm
– Andrew Grimm

2017-06-23 04:19:32 +00:00
Commented Jun 23, 2017 at 4:19 — Andrew Grimm
– Andrew Grimm, Commented Jun 23, 2017 at 4:19

tomciopp · Accepted Answer · 2011-10-17 20:16:30Z

44

If you run the following code it should destroy active admin:

rails destroy active_admin:install
rails destroy active_admin:resource product

answered Oct 17, 2011 at 20:16

tomciopp

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5 Comments

David Tuite Over a year ago

You don't even need the second line it seems.

David Tuite Over a year ago

Also, keep in mid that if you set up an AdminUser model when you added ActiveAdmin, this will destroy it, along with any methods you added to it.

chech Over a year ago

Beware that some trash code will be left in 'routes.rb' and 'schema.rb'. Do a search for 'admin' and comment the unnecessary code, or it may cause errors later.

lngs Over a year ago

do i need to rollback the migration

rii Over a year ago

Also remove gem 'activeadmin' from your gem file or it will install again next time you bundle = ]

Arunabh Das · Accepted Answer · 2020-09-02 17:43:35Z

29

Run this in terminal

rails destroy active_admin:install

Remove gem 'activeadmin' from your gemfile.

Delete the asset files from js and css folders if any remain

Delete any of these lines in Routes.rb

  devise_for :admin_users, ActiveAdmin::Devise.config
  ActiveAdmin.routes(self)
  ActiveAdmin.routes(self)

Then create a new migration with:

  drop_table :active_admin_comments

You may also need:

  drop_table :admin_notes

Or rollback the migrations by finding the relevant files MoveAdminNotesToComments and CreateAdminNotes in your db/migrate folder

rake db:migrate:down VERSION=the_version_number
rake db:migrate:down VERSION=the_version_number

edited Sep 2, 2020 at 17:43

Arunabh Das

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answered Sep 23, 2013 at 20:07

Abram

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5 Comments

gfd Over a year ago

The new drop migration is much cleaner than the rollback one, but thanks for making this good answer, everything is in here ;)

gfd Over a year ago

For everyone ease, I did : rails generate migration drop_active_admin_comments modified the migration like this: `` class DropActiveAdminComments < ActiveRecord::Migration def up drop_table :active_admin_comments end def down raise ActiveRecord::IrreversibleMigration end end `` `` bundle exec rake db:migrate `` the table and indexes are gone ;)

gfd Over a year ago

Ok, I just don't know how to format a comment with code in it... so I've finally been rejected the right to reedit my previous comment :/

gfd Over a year ago

Oh and don't forget to remove the gem 'active_admin' entry in your Gemfile once the rails destroy active_admin:install is done ;)

zer02 Over a year ago

Yes. Thank you I have done this now. It works. Destroyed the active_admin and reinstalled the latest version. Rails and Windows 7 dont like eachother much :D

Moharnab Saikia · Accepted Answer · 2015-09-25 21:14:12Z

1

You also need to delete all the active admin related js and css files in your assets folder after running rails destroy active_admin:install

answered Sep 25, 2015 at 21:14

Moharnab Saikia

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