strong-parameters | 易学教程

Rails 4 - Strong Parameters - Nested Objects

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I've got a pretty simple question. But haven't found a solution so far. So here's the JSON string I send to the server: { "name" : "abc", "groundtruth" : { "type" : "Point", "coordinates" : [ 2.4, 6 ] } } Using the new permit method, I've got: params.require(:measurement).permit(:name, :groundtruth) This throws no errors, but the created database entry contains null instead of the groundtruth value. If I just set: params.require(:measurement).permit! Everything get's saved as expected, but of course, this kills the security provided by strong parameters. I've found solutions, how to permit

Rails 4.0 with Devise. Nested attributes Unpermited parameters

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问题 I am working on a web-app using Devise and Rails 4. I have a User model which I have extended with 2 extra form fields such that when a user signs up he can also submit his first/last names. (based on http://blog.12spokes.com/web-design-development/adding-custom-fields-to-your-devise-user-model-in-rails-4/). I now want to add a Institution model. This model has_many :users, and a user belongs_to :institution. I want to be able to register the institution\'s name on the same form I register

How to specify devise_parameter_sanitizer for edit action?

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问题 I\'ve added Devise to my Rails 4 application, and successfully added username etc. to my User model. Furthermore, I\'m able to store those fields using the lazy way™, i.e. class ApplicationController < ActionController::Base before_filter :configure_permitted_parameters, if: :devise_controller? protected def configure_permitted_parameters devise_parameter_sanitizer.for(:sign_up) { |u| u.permit(:email, :password, :password_confirmation, :firstname, :middlename, :lastname) } end end However, I

how to permit an array with strong parameters

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问题 I have a functioning Rails 3 app that uses has_many :through associations which is not, as I remake it as a Rails 4 app, letting me save ids from the associated model in the Rails 4 version. These are the three relevant models are the same for the two versions. Categorization.rb class Categorization < ActiveRecord::Base belongs_to :question belongs_to :category end Question.rb has_many :categorizations has_many :categories, through: :categorizations Category.rb has_many :categorizations has