From c83ace7b6a5720be30a2f7d843d545fc81af54cd Mon Sep 17 00:00:00 2001 From: Genadi Samokovarov Date: Sun, 13 Dec 2015 19:37:22 +0100 Subject: Prevent a 500 in the default controller scaffold If you update a record with no attributes, you'll hit a 500 from a guard in `assign_attributes` raising: ```ruby ArgumentError: When assigning attributes, you must pass a hash as an argument. app/controllers/users_controller.rb:44:in `block in update' app/controllers/users_controller.rb:43:in `update' test/controllers/users_controller_test.rb:37:in `block in ' ``` Not a biggie, but may be quite confusing for the folks new to the framework. --- .../generators/rails/scaffold_controller/templates/api_controller.rb | 2 +- .../rails/generators/rails/scaffold_controller/templates/controller.rb | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) (limited to 'railties/lib/rails') diff --git a/railties/lib/rails/generators/rails/scaffold_controller/templates/api_controller.rb b/railties/lib/rails/generators/rails/scaffold_controller/templates/api_controller.rb index 17a86f376b..400afec6dc 100644 --- a/railties/lib/rails/generators/rails/scaffold_controller/templates/api_controller.rb +++ b/railties/lib/rails/generators/rails/scaffold_controller/templates/api_controller.rb @@ -52,7 +52,7 @@ class <%= controller_class_name %>Controller < ApplicationController # Only allow a trusted parameter "white list" through. def <%= "#{singular_table_name}_params" %> <%- if attributes_names.empty? -%> - params[:<%= singular_table_name %>] + params.fetch(:<%= singular_table_name %>, {}) <%- else -%> params.require(:<%= singular_table_name %>).permit(<%= attributes_names.map { |name| ":#{name}" }.join(', ') %>) <%- end -%> diff --git a/railties/lib/rails/generators/rails/scaffold_controller/templates/controller.rb b/railties/lib/rails/generators/rails/scaffold_controller/templates/controller.rb index f73e9a96ba..42b9e34274 100644 --- a/railties/lib/rails/generators/rails/scaffold_controller/templates/controller.rb +++ b/railties/lib/rails/generators/rails/scaffold_controller/templates/controller.rb @@ -59,7 +59,7 @@ class <%= controller_class_name %>Controller < ApplicationController # Only allow a trusted parameter "white list" through. def <%= "#{singular_table_name}_params" %> <%- if attributes_names.empty? -%> - params[:<%= singular_table_name %>] + params.fetch(:<%= singular_table_name %>, {}) <%- else -%> params.require(:<%= singular_table_name %>).permit(<%= attributes_names.map { |name| ":#{name}" }.join(', ') %>) <%- end -%> -- cgit v1.2.3