nested-forms

问题 Update2: I've cleaned up the code, which seems to have solved some of the problems. I've posted the new code as a new question here. Update: Organization and User have a 1:many relationship. My question concerns a joined signup form where both an organization and user are required. After maxcal's help on the original post, I've written a new create method for my nested form ("organization has many users"), as shown below. Also I added begin...rescue...end to the create method. The situation

问题 i am building nested form in rails 4.I keep getting this error my _form.html.erb as <%= nested_form_for (@project) do |f| %> <% if @project.errors.any? %> <div id="error_explanation"> <h2><%= pluralize(@project.errors.count, "error") %> prohibited this project from being saved:</h2> <ul> <% @project.errors.full_messages.each do |message| %> <li><%= message %></li> <% end %> </ul> </div> <% end %> <div class="field"> <%= f.label :name %><br> <%= f.text_field :name %> </div> <%= f.fields_for

问题 I have my model setup as below. Everything works fine except blank part records are allowed even if all part and chapter fields are blank. class Book < ActiveRecord::Base has_many :parts, inverse_of: :book accepts_nested_attributes_for :parts, reject_if: :all_blank end class Part < ActiveRecord::Base belongs_to :book, inverse_of: :parts has_many :chapters, inverse_of: :part accepts_nested_attributes_for :chapters, reject_if: :all_blank end class Chapter < ActiveRecord::Base belongs_to :part,

问题 I created a combobox that show suppliers so when supplier is selected will update a div showing purchases , after showing purchases will be in combobox but in a nested form so when I select a purchase will show me the amount of the purchase selected. The problem is that when I select a purchase only works in the first line and when I select another combobox line show the amount of the first combobox selected. Here my tables suppliers |id| |name| 1 Supplier A 2 Supplier B shopping_documents

问题 I'm looking for a working tutorial for Rails 3.1 that shows you step-by-step how to create a nested model that's 3 levels deep. The "complex forms" screencasts on RailsCasts doesn't seem to be working, seeing that the code is 4+ years old. 回答1: try looking at these tuts from railscasts(posted january last year) http://railscasts.com/episodes/196-nested-model-form-part-1 and http://railscasts.com/episodes/197-nested-model-form-part-2 I did initially have problems with deep nesting, but they

问题 I get ActiveRecord::RecordNotFound: Couldn't find Client with ID=3 for Order with ID= when trying to submit an Order form for an existing client. This happens through the form or the console by typing: Order.new(:client_attributes => { :id => 3 }) payment_form.html.erb : <%= semantic_form_for @order, :url => checkout_purchase_url(:secure => true) do |f| %> <%= f.inputs "Personal Information" do %> <%= f.semantic_fields_for :client do |ff| %> <%= ff.input :first_name %> <%= ff.input :last_name

问题 I'm trying to create hotel with some fields, one of the fields is photo, i want to use multiple files upload with carrierwave and nested_form. I found this article and have some result. When i'm on /hotels/new, filling fields, choosing photos and press submit, getting ActiveRecord::UnknownAttributeError in HotelsController#create unknown attribute: attachable_type. Console Started POST "/hotels" for 127.0.0.1 at 2013-09-27 17:35:18 +0300 Processing by HotelsController#create as HTML

问题 I have the following models class Survey < ActiveRecord::Base has_many :survey_sections accepts_nested_attributes_for :survey_sections end class SurveySection < ActiveRecord::Base belongs_to :survey has_many :questions accepts_nested_attributes_for :questions end class Question < ActiveRecord::Base belongs_to :survey_section has_many :answers belongs_to :question_group accepts_nested_attributes_for :question_group accepts_nested_attributes_for :answers end class Answer < ActiveRecord::Base

问题 I am a beginner at Ruby on Rails. Currently, I have the following problem: I have a class Game that has an array of pictures and sentences alternating. I want that a user who creates a new Game is required to give one starting picture OR sentence. If he doesn't do so I'd like to not save the newly created game to the data base. class Game < ActiveRecord::Base has_many :sentences has_many :paintings validates_inclusion_of :starts_with_sentence, :in => [true, false] [...] end My approach was

问题 I have a series of forms (each managed by 1 component). There is a pattern of inputs in these forms (e.g. many of them require to allow input of an address) that I have to refactor into re-usable components as they are used in multiple forms and I don't want to duplicate neither their logic nor their templates. Each re-usable component would have to have its logic have its template containing input tags and no <form> tag have its client validation constraints possibly receive initial values