similar to: Inheritance via Though Associations?

I''m trying to understand how to do the following, but am finding myself stuck. I have three main tables; here are the first two: CREATE TABLE reference_items ( "id" integer primary key, "type" varchar(20), "title" varchar(255), "year" year(4) ); CREATE TABLE "agents" ( "id" integer primary key, "type"

I have the following paginator setup: @merch_pages, @merch = paginate :merch_item, :per_page => 15, :select => ''DISTINCT mi.id, mi.merch_image, mi.created_at, mi.artist_id, mi.item_description, art.sort_name'', :join => ''as mi JOIN merch_formats mf ON mi.id = mf.merch_item_id JOIN artists art ON mi.artist_id = art.id'', :order =>

I''m having a lot of trouble with has_many, :through and could really use some assistance. I''ve got a User and Group class. Users can subscribe to groups, and groups should know who''s subscribed. I''ve got a join table (group_subscriptions) with group_id, user_id, and it''s own id element. Users has "has_many :groups, :through =>

class Host < ActiveRecord::Base belongs_to :person end class House < ActiveRecord::Base has_many :people, :dependent => true has_many :hosts, :through => :person end class Person < ActiveRecord::Base belongs_to :house has_many :hosts, :dependent => true end Now when I try to do: @hosts = House.find_by_id(params[:namas]).hosts from my controller I get this:

in a single table inheritance model, rails will automatically set the scope for acts_as_list to the ''type'' field as well as any other scope conditions we provide. Is there a way to disable this? i want to use STI but I want acts_as_list to disregard the class type when getting/setting positions. thanks alan

This is what I have class Photo < ActiveRecord::Base belongs_to :image, :polymorphic => true acts_as_list :scope => image end class Place < ActiveRecord::Base has_many :photos, :as => :image end class Child < ActiveRecord::Base has_many :photos, :as => :image end I want to be able to reorder the images. What I need is for the position of the photos to be set

Hi I''ve noticed ActiveRecord::Base::has_many fails for String arguments. The following code works when all arguments to the ActiveRecord::Base::has_many calls are Symbols: class Country < ActiveRecord::Base has_many :country_products, :dependent => true has_many :products, :through => :country_products end ruby script/console >> Country.find_all.first.products

I just took my HABTM and turned it into a :through since my join table has another "non-joiny" attribute. I went from this: has_many_and_belongs_to :jobs, :join_table => ''tablename'', :foreign_key => ''x'', :association_foreign_key => ''y'' to this: has_many :jobs, :through =>

Hello, I''m in troubles trying to use ''link_to_remote'' on Rails 2.1. Having this page: <h4>Editing project</h4> <% form_for(:project, :url => project_path(@project), :html => { :method => :put }) do |f| %> <p> Name <%= f.text_field :name %> Date <%= calendar_date_select :project, :target_date, :time =>

Hi, I''m getting the error below, and I''m not sure where to find "acts_as_list" ... NameError in SpecialsController#printer undefined local variable or method `acts_as_list'' for #<Class: 0xb7a46994> RAILS_ROOT: /usr/local/apache2/htdocs/dps Application Trace | Framework Trace | Full Trace vendor/plugins/trunk/lib/scope_out.rb:70:in

So I seem to be having an issue with trying to install acts_as_list in rails 2.2.2? I have downloaded the files from: http://github.com/rails/acts_as_list/tree/master I have put the files in the vendor/plugins folder the files are as follows: vendor/plugins/acts_as_list/init.rb vendor/plugins/acts_as_list/lib/active_record/acts/list.rb vendor/plugins/acts_as_list/test/list_test.rb

Hi ! There must be something I don''t understand clearly in acts_as_list I have a list of gallery entries (images + text), model is GalleryEntry. I have a field in_exhibition (boolean) I want the list to be sorted with a scope on in_exhibition : from 1 to N for every record having in_exhibition = false and 1 to N for every record having in_exhibition = true When I use acts_as_list

I''d like to be able to use a has_many :through association and treat the associations as a list but I''m getting this error when I try an use an acts_as_list method: NoMethodError: undefined method `move_to_bottom'' I''m using edge rails r6786. Here are my domain rules: Activities are things students can do. Units consists of a sequenced list of

Hi, How are people specifying models which act_as_list? I''m thinking that it would be possible to check that acts_as_list instance methods have been added to a class using something like this: describe Page, "acts_as_list" do it "should act as a list" do Page.ancestors.should be_include(ActiveRecord::Acts::List::InstanceMethods) end it "should use

I was curious if there was a built in feature in ActiveRecord or a plugin, but I basically have a database for phone numbers. I want a user to be able to make a phone number as main. There can only be one phone number marked as main at all times. Is there something for this? Thanks for your help. -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~

Hi Railers, I''ve got a Categories table. I want it to act as a list within the scope of the parent_id AND the site_id. Categories table : id label site_id parent_id So, in my Category class, I have : acts_as_list :scope => ''site_id = #{site_id} AND parent_id = # {parent_id}'' The problem is that when I try to move_up a Category with a parent_id that is null,

HI, i use models User and Groups connected with many to many association, so i have users table, groups and groups_users. lets say i create one user and one group. next i add a group to user. so now my table groups_users has one entry i.e. group_id | user_id _________|________ 1 | 1 ok, when i delete both my group and user, above entry is not deleted, thus leaving alone without

What does the Magic Field Name position do? I was looking here: http://wiki.rubyonrails.com/rails/pages/MagicFieldNames And unfortunately that documentation is incomplete. Thanks. -- Posted via http://www.ruby-forum.com/.

I am trying to install acts_as_list in a rails 2.2.2 project but when I try the following: ruby script/plugin install acts_as_list I get: Plugin not found: ["acts_as_list"] I had to download the acts_as_list plugin from the github because it isn''t included in Rails 2.2.2. The files are in my vendor/plugins/acts_as_list folder so I have: lib/active_record/acts/list.rb

I''m using Shoulda. After copying the code here.... .... http://joshuaclayton.github.com/code/2009/07/14/should-act-as-list.html.... into my test_helper file so I can test acts_as_list, I came across issues. For one I realized I had to get rid of the _ between the "should" and "have" in past cases, but here, I get this error when I run my unit test: