similar to: @model.update_attributes(params[:model]) without saving?

Hi, I am trying to use the update_attributes on object with nested attributes and I am getting the following error: ProductPrice expected, got HashWithIndifferentAccess Here''s the situation (simplified): class Product < ActiveRecord::Base belongs_to :productPrice end class ProductPrice < ActiveRecord::Base has_one :product, :dependent => true

Hi all, When submitting a master/detail form I first want to handle the children before saving the parent. There are has_many and belongs_to relations between the parent and the children, so I can edit the children using (psuedo-)code like: child.destroy for deleting, child.update_attributes for updating and @parent.children.push(child) for adding child-records. I update the parent by using:

Hello all, Is there a method for updating all the attributes from a hash without saving to the database? (the counterpart of update_attributes but without saving). What I want to do is: person = Person.find(params[:id]) person.update_without_saving(params[:person]) #update the in-memory object. # Process person object ....... person.save I know that when you are creating a new object, you can

I really need your help guys... I spent 6 hours on this simple update command today that should work. It works fine in my other controller, but doesn''t work in this one for some reason. Here is my controller code for the list view, and then the update command: ====== def edit @user = User.find(params[:id]) end def update @user = User.find(params[:id]) if

I''m trying to update a record, but it just stops with "ActiveRecord::ReadOnlyRecord". I don''t understand why, because I never wanted my model to be read only. Relevant code: Controller: def edit @project = find_project if request.post? @project.update_attributes(params[:project]) if @project.save flash[:message] = _(''Project was

I am trying to wrap the updating of two models in a transaction and when the transaction fails it is not rolling back. My method is : def update_attributes(user,params) @user = user @company = user.company begin User.transaction do @user.update_attributes!(params[:user]) @company.update_attributes!(params[:company]) end true rescue false

Hello, I am trying to deal with a database table that contains a date in the form of the number of seconds since epoch. Data is inserted in this format by an existing script that I can''t change, so a schema change isn''t realistic. I would like to allow humans to view and edit this data in the form of an actual human-readable date. I figured a facade column would be the

I have two tables, applicants, and skills where each applicant "has_many" skills, and each skill "belongs_to" an applicant. When I have a reference to an applicant and a (skill) id for one of their skills, I thought to update their skills by using @applicant.skills.find(id_of_skill).description = ''new description'' # even adding

One of my models has a column that is updated very frequently from a separate process, so it is important that when a record is saved in rails, this column should be left alone. In the update method of the controller I have: @record = MyModel.find(params[:id]) @record.update_attributes(params[:my_model]) params[:my_model] doesn''t have a reference to the column I''m talking

Hi! I have updated my app to rails 2.3. I have form that has few nested models and I am happy that I can just write accepts_nested_attributes_for :tasks, :allow_destroy => true, but update_attributes! does not update my nested model. I have tried update_attributes, and it works. Any ideas? Few lines from log: update_attributes: SQL (0.1ms) BEGIN Education Update (0.3ms) UPDATE

Hello, I have this problem that my rails application works fine in development environment on my local Linux and windows system but when I uploaded it to work on the server in production environment I have this problem as listed in the pasted log file at the end of this entry: NoMethodError (undefined method `[]'' for nil:NilClass): /app/controllers/admin_controller.rb:201:in

Hi, In Agile Web Development with Rails section on Transactions (p 381) there are two main examples. 1) making changes in two records in the same database table 2) making changes in two records each in a different *database* I want to do what is in between: changes in two records each in a different table of the same database. Suppose they are apples and oranges tables. How do I write this?

I notice that ActiveRecord::Base.update_attributes() calls save(). What if I want to get an exception if the save fails? Is there a way to get the update_attributes() function plus the save! function? Thanks, Wes -- Posted via http://www.ruby-forum.com/.

I''m using single table inheritance and want to change the :type attribute from an admin view. How do I do this given that :type has to be handled with special care? -- Posted via http://www.ruby-forum.com/.

Hello ! I''m trying to implement something similar to the "multiple updates" section of the Web2.0 chapter of the Agile book. I implemented my version, and nothing is happening. No javascript errors, my logs look fine, page is rendered fine... just no Effect.Highlight. Here is the code: views/causes/cause_home/index.rhtml =============== <%= form_remote_tag(:complete =>

I have an action that needs to update two models/two tables in one shot, and it works great, but ignores one column. Here is the action code: (verify_id is irrelevant in this case) [CODE] def edit @page_title = "Edit User" @page_active_3 = "active" if request.post? @user = User.find(params[:id]) @profile = @user.profile verify_id(@user.id,

Ahoy, i''m trying to save a many to many between "talent" and "vital stat" talent_controller.rb def edit @talent = Talent.find(params[:id], :include => [:talent_type, :vital_stats]) @talent_types = TalentType.find_all @vital_stats = VitalStat.find_all if request.post? @talent.attributes = params[:talent] @talent.attributes =

Got a weird situation with an update put to a controller with a form with nested attributes. On the data below, I am updating data for both items (''0'' and ''1'') in rosters_attributes (in the example below I am updating the ''name'' attribute to a new value in both cases. What I am stuck on is that ''1'' gets its data updated,

I have been using rails professionally for only a month and a half now, but I am continually running into problems with form helpers and accessing multiple objects on a single page. To whit: 1. While text_field and text_area and such all support the :index option, the select helper does not. 2. When appending the text ''[]'' to a helper''s object name, the id is

Hi all, I am new to ROR world. I know the REST conceptually but find the difficulties in implementation can anybody guide me that which is the best book which i have to read. also some good links of implementation of rest in ROR. If anybody made a small application to restful in rails please forward me that application. i found some demo but i didn''t understand for what purpose they