Form value not submitted through checkbox Rails 4
Question
I have a number of check-boxes based on roles of each user with a many-to-may relationship. But when I try to provide these roles, it does not seem to get saved, although the form returns no error. When I try it out in console, User.find(1).role_ids = 3 it gets saved and returns check-box ticked when viewed on webpage. I am new to Rails and I need a little help to get past this.
My .html.erb
<%= form_for(:user, url: {action: 'update', id: @user.id}) do |f| %>
<tr>
<% for role in Role.all %>
<td><%= check_box "user[role_ids][]", role.id, @user.roles.include?(role) %></td><td></td><td></td><td></td><td></td><td></td><td></td>
<% end %>
</tr>
My controller.rb
def edit
@user = User.find(params[:id])
end
def update
@user = User.find(params[:id])
if @user.update_attributes(user_params)
flash[:notice] = "Role assigned successfully"
redirect_to(:action => 'show', :id => @user.id)
else
render('edit')
end
end
My log file:
Started GET "/users/edit/11" for ::1 at 2015-06-18 23:42:49 +0530
[1m[36mActiveRecord::SchemaMigration Load (0.0ms)[0m [1mSELECT `schema_migrations`.* FROM `schema_migrations`[0m
Processing by UsersController#edit as HTML
Parameters: {"id"=>"11"}
[1m[35mUser Load (0.0ms)[0m SELECT `users`.* FROM `users` WHERE `users`.`id` = 11 ORDER BY `users`.`id` ASC LIMIT 1
[1m[36mUser Load (0.0ms)[0m [1mSELECT `users`.* FROM `users` WHERE `users`.`id` = 11 LIMIT 1[0m
[1m[35mRole Load (0.0ms)[0m SELECT `roles`.* FROM `roles`
[1m[36m (1.0ms)[0m [1mSELECT `roles`.id FROM `roles` INNER JOIN `roles_users` ON `roles`.`id` = `roles_users`.`role_id` WHERE `roles_users`.`user_id` = 11[0m
[1m[35mCACHE (0.0ms)[0m SELECT `roles`.id FROM `roles` INNER JOIN `roles_users` ON `roles`.`id` = `roles_users`.`role_id` WHERE `roles_users`.`user_id` = 11 [["user_id", 11]]
[1m[36mCACHE (0.0ms)[0m [1mSELECT `roles`.id FROM `roles` INNER JOIN `roles_users` ON `roles`.`id` = `roles_users`.`role_id` WHERE `roles_users`.`user_id` = 11[0m [["user_id", 11]]
[1m[35mCACHE (0.0ms)[0m SELECT `roles`.id FROM `roles` INNER JOIN `roles_users` ON `roles`.`id` = `roles_users`.`role_id` WHERE `roles_users`.`user_id` = 11 [["user_id", 11]]
Rendered users/edit.html.erb within layouts/application (66.0ms)
Completed 200 OK in 305ms (Views: 243.2ms | ActiveRecord: 21.0ms)
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Started GET "/javascripts/public.js" for ::1 at 2015-06-18 23:42:49 +0530
ActionController::RoutingError (No route matches [GET] "/javascripts/public.js"):
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actionpack (4.2.1) lib/action_dispatch/middleware/static.rb:113:in `call'
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Started POST "/users/update/11" for ::1 at 2015-06-18 23:42:53 +0530
Processing by UsersController#update as HTML
Parameters: {"utf8"=>"✓", "authenticity_token"=>"B9vvbQhZJe1H4u9T2XQsIHH14ysoe6oHOAnLt5fKwAOMPBheb/IEHk2Bevqe6Q1unoNGo0IAHQt47WhMI2Uybw==", "user"=>{"role_ids"=>["2", "3"]}, "commit"=>"Update Role", "id"=>"11"}
[1m[36mUser Load (1.0ms)[0m [1mSELECT `users`.* FROM `users` WHERE `users`.`id` = 11 ORDER BY `users`.`id` ASC LIMIT 1[0m
[1m[35mUser Load (0.0ms)[0m SELECT `users`.* FROM `users` WHERE `users`.`id` = 11 LIMIT 1
Unpermitted parameter: role_ids
[1m[36m (0.0ms)[0m [1mBEGIN[0m
[1m[35m (0.0ms)[0m COMMIT
Redirected to http://localhost:3000/users/index?id=11
Completed 302 Found in 11ms (ActiveRecord: 1.0ms)
Started GET "/users/index?id=11" for ::1 at 2015-06-18 23:42:53 +0530
Processing by UsersController#index as HTML
Parameters: {"id"=>"11"}
[1m[36mUser Load (1.0ms)[0m [1mSELECT `users`.* FROM `users` WHERE `users`.`id` = 11 ORDER BY `users`.`id` ASC LIMIT 1[0m
[1m[35mUser Load (0.0ms)[0m SELECT `users`.* FROM `users` ORDER BY users.id ASC
Rendered users/index.html.erb within layouts/application (4.0ms)
Completed 200 OK in 31ms (Views: 29.0ms | ActiveRecord: 1.0ms)
Started GET "/javascripts/public.js" for ::1 at 2015-06-18 23:42:53 +0530
ActionController::RoutingError (No route matches [GET] "/javascripts/public.js"):
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activesupport (4.2.1) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
rack (1.6.1) lib/rack/lock.rb:17:in `call'
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rack (1.6.1) lib/rack/sendfile.rb:113:in `call'
railties (4.2.1) lib/rails/engine.rb:518:in `call'
railties (4.2.1) lib/rails/application.rb:164:in `call'
rack (1.6.1) lib/rack/lock.rb:17:in `call'
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Started GET "/users/edit/11" for ::1 at 2015-06-18 23:42:58 +0530
Processing by UsersController#edit as HTML
Parameters: {"id"=>"11"}
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[1m[35mCACHE (0.0ms)[0m SELECT `roles`.id FROM `roles` INNER JOIN `roles_users` ON `roles`.`id` = `roles_users`.`role_id` WHERE `roles_users`.`user_id` = 11 [["user_id", 11]]
[1m[36mCACHE (0.0ms)[0m [1mSELECT `roles`.id FROM `roles` INNER JOIN `roles_users` ON `roles`.`id` = `roles_users`.`role_id` WHERE `roles_users`.`user_id` = 11[0m [["user_id", 11]]
Rendered users/edit.html.erb within layouts/application (5.0ms)
Completed 200 OK in 36ms (Views: 33.0ms | ActiveRecord: 0.0ms)
Started GET "/javascripts/public.js" for ::1 at 2015-06-18 23:42:58 +0530
ActionController::RoutingError (No route matches [GET] "/javascripts/public.js"):
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actionpack (4.2.1) lib/action_dispatch/middleware/show_exceptions.rb:30:in `call'
railties (4.2.1) lib/rails/rack/logger.rb:38:in `call_app'
railties (4.2.1) lib/rails/rack/logger.rb:20:in `block in call'
activesupport (4.2.1) lib/active_support/tagged_logging.rb:68:in `block in tagged'
activesupport (4.2.1) lib/active_support/tagged_logging.rb:26:in `tagged'
activesupport (4.2.1) lib/active_support/tagged_logging.rb:68:in `tagged'
railties (4.2.1) lib/rails/rack/logger.rb:20:in `call'
actionpack (4.2.1) lib/action_dispatch/middleware/request_id.rb:21:in `call'
rack (1.6.1) lib/rack/methodoverride.rb:22:in `call'
rack (1.6.1) lib/rack/runtime.rb:18:in `call'
activesupport (4.2.1) lib/active_support/cache/strategy/local_cache_middleware.rb:28:in `call'
rack (1.6.1) lib/rack/lock.rb:17:in `call'
actionpack (4.2.1) lib/action_dispatch/middleware/static.rb:113:in `call'
rack (1.6.1) lib/rack/sendfile.rb:113:in `call'
railties (4.2.1) lib/rails/engine.rb:518:in `call'
railties (4.2.1) lib/rails/application.rb:164:in `call'
rack (1.6.1) lib/rack/lock.rb:17:in `call'
rack (1.6.1) lib/rack/content_length.rb:15:in `call'
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C:/Ruby21/lib/ruby/2.1.0/webrick/httpserver.rb:138:in `service'
C:/Ruby21/lib/ruby/2.1.0/webrick/httpserver.rb:94:in `run'
C:/Ruby21/lib/ruby/2.1.0/webrick/server.rb:295:in `block in start_thread'
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1 answers
solution1
0 2015-06-19 04:13:48
As in Rails 4, the input need to be white-listed. Adding the unpermitted parameter[] as shown in the log file to the respective controller was all that did the trick. accepts_nested_attributes_for is also required so that the current model accepts the nested attributes of the other model through the current one.
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