similar to: has_many validation the Rails way

Hey All, I''m trying to play along w/the ''complex forms 1'' railscast (http://railscasts.com/episodes/73) and having trouble. The view is projects/new. I''m trying to add some project_people to the form w/code like so: <% form_for(@project) do |f| %> [project stuff here] <% for pp in @project.project_person %> <% fields_for

Hello, I am working on a project, and on one form we have a select (drop- down) box where the user needs to be able to select from a list of clients. The box is currently being populated with: <%= collection_select(:client, :id, @account.clients, :id, :name) %> The problem is that some of these clients may have already been selected, and we need to remove them from the list. Is this

I am relating to the book & subject example mentioned in the tutorial mentioned here: http://www.tutorialspoint.com/ruby-on-rails-2.1/rails-examples.htm There is a file that goes like show_subjects.html.erb and it will list all the books for that particular subject we''ve selected. Suppose if there were no books to show for the subject we can ideally show a corresponding message

Hi All, I am modifying typo so as, I can host multiple blogs on the same typo. And its almost done, except that...i am stuck at one place. When a user posts a new article, depending upon current blog_id, I would like to set the blog_id attribute of @article object. So..in the admin/content_controller.rb: We have: def new_or_edit if request.post? set_article_author

Please help, I am really at a loss at how validation is supposed to work in rails. Model contains acts_as_tree I want to force my NEW objects to have a parent I do NOT want existing object to have a parent so I only want to have parent_id on create, NOT on update. I am trying this: def validate_on_create validates_presence_of :parent_id, :message => "You must specify a

Hello guys, Im trying to make an advanced search form, actually i did like Ryan Bates teaches in this railscast : http://railscasts.com/episodes/111-advanced-search-form But my problem is that i dont want to save the searches in my database and i dont know how to do this... In the railscast, there was a comment like this: *14. Karl <http://www.vbsfinder.com/> May 26, 2008 at 23:01 *

I have a problem I was hoping someone could shed some light on. I noticed that with every request to my server, the css file was being requested. I went ahead and made a static link to the css file so there is no query string at all, but still I see the requests coming in with each request. Do I need to do anything else (in the response header maybe?) to make sure that browsers will cache the

I have a problem related with the HABTM relationships with checkboxes. I''ve got a profile and a service model, both related with has_and_belongs_to_many. The problem is that i can insert new data in the profiles_services table, however, i cant delete already existing data. What could be the problem? --~--~---------~--~----~------------~-------~--~----~ You received this message

I am trying to create a record with association. Within the create method, I would also like to pre-populate dependent (has_many) records from a template in the database. The child records are <u>mysteriously rolled back </u> if I insert them in a loop. If I try to insert a single child record, it works.I have read the books and tried to google my way out of this but am at a dead

Hi, when using the following code in my model I get 2 errors for only 1 field. belongs_to :category validates_presence_of :title, :message => "required field missing" Then when I test the validation by creating a record without a title I''m told that the title field is missing twice. Please help as this has has me stumped for a few days now. Many Thanks Kieran

Hi, I''m trying to write a blog application where each post has a single header image associated. My models: ---------- class Post < ActiveRecord::Base belongs_to :blog has_many :images has_one :header end class Header < ActiveRecord::Base file_column :image_path end class Image < ActiveRecord::Base belongs_to :post file_column :image_path end The controller targets I

I have a form with 3 fields: user_id, email and password. All 3 fields are required, so I have a "validates_presence_of :user_id, :email, :password" in my model. Works, but the validation errors show up in a different order than I specificed in the validates_presence_of statement. Is there a way to specify the order in which the validations (and corresponding error messages) should

Hey All, I have a form that submits data to multiple models. I have class Man < ActiveRecord::Base has_many :notes has_many :contacts validates_associated :contacts, :notes validates_presence_of :first_name validates_presence_of :last_name class Contact < ActiveRecord::Base belongs_to :man validates_presence_of :contact_info class Note < ActiveRecord::Base

I have two models, links and tags, associated through a 3rd model, link_tags. I added the following to my link model, has_many :tags, :through => :link_tags has_many :link_tags accepts_nested_attributes_for :tags, :allow_destroy => :false, :reject_if => proc { |attrs| attrs.all? { |k, v| v.blank? } } and put this in a partial called by the new and edit forms for links,

All, The validation on my object is not being triggered any more on the save action. I''m trying to debug it. In attempting to debug it, I''m trying to understand exactly what validates_presence_of does. Basically, I''m trying to see if for some reason, validates_presence_of doesn''t think my fields are blank now. I see from the API docs. that

This example shows how to create a form for an associated model ''Comment'', where ''Comment'' belongs_to ''Post'' and ''Post has_many ''Comments''. http://edgeguides.rubyonrails.org/getting_started.html#generating-a-controller How might I modify that to display all the comments in the form, and still have it call the

I am creating a database for movies (films) and television shows (shows) that will have has_and_belongs_to_many relationships with the pictures table. CREATE TABLE screenshots ( id serial NOT NULL, filename character varying NOT NULL, content_type character varying NOT NULL, primary key (id) ); CREATE TABLE films ( id serial NOT NULL, name character varying NOT NULL,

Hi all, I have a unique workflow where it''s making the use of validations difficult. My app is for internal use in my company and I have a funky implementation (inspired by the e-commerce Railscasts episodes) of a cart. I have products which when I "add to cart" creates an order with a state of "incomplete". The product is a line item of my order. Hope that makes

I''m trying to assign a parent foreign key value using collection_select from my child "new" form. The problem I''m having is if I do not make a selection, I get the following error instead of the Rails validates_presence_of error: You have a nil object when you didn''t expect it! You might have expected an instance of Array. The error occurred while evaluating

I have two models bank and country. User should only associate a Bank with a country id present in the country table and I put validates presence of country to enforce it but i get error mysql2::Error: Unknown column ''countries.bank_id'' in ''where clause'': SELECT `countries`.* FROM `countries` WHERE `countries`.`bank_id` = 17 LIMIT 1 when updating the bank