similar to: has_many relationship in Gem

I''ve been reading up in ActiveRecord::Associations and playing around with my app via the console and found some interesting methods via the code completion of IRB, but I have no idea how to use them and can only find one hint in the API http://api.rubyonrails.com/classes/ActiveRecord/Associations/ ClassMethods.html It mentions here in the has many associations that if you use the

We have a test that has been working find until we upgraded to rails 2.3.5. I''m not too familiar with mocks/stubs so maybe there is an easy solution. Here is a simple example of our scenario. Class Person < ActiveRecord::Base has_many :aliases, :dependent => :nullify before_destroy :mark_aliases_as_deleted def mark_aliases_as_deleted self.aliases.each do

Hi All, I have a problem using has_many through association. I can create a product without problem, but when i edit it, i got this NoMethodError: undefined method `reciters='' for #<Product:0xb71a77e8> Did i miss something to code? I provided the codes below. Please help Thanks, Dida product_controller.rb ====================== def create @product =

I have this code that is using svn externals with rails EDGE working fine for the past couple of months. A couple of days ago, this code died. Even after deleting vendor/rails, this code doesnt work: class Tag < ActiveRecord::Base has_many :taggings has_many :events, :through => :taggings has_many :users, :through => :taggings end class User < ActiveRecord::Base # Virtual

Two Models. class Gm < ActiveRecord::Base belongs_to :pool # mode code here. end class Pool < ActiveRecord::Base has_many :gms # mode code here. end Testing code through the console. >> gm_list.each{ | gm | puts " GM name: #{ gm.user_name } belongs to Pool: #{ gm.pool.pool_name } " }; nil GM name: John belongs to Pool: RHP 07-08 Season - Career League GM name:

I was wondering if it''s possible to some how control the :order given on a has_many depending on another attribute? Or do I need to just create multiple has_many relationships pointing to the same table but with different orders and then select which one I use in the controller instead? e.g class Category < AR::B has_many :products, :order => //something magical?// end

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 there, I have something like the following: class Person < AR:B ... ... has_many :votes has_many :chosen_answers, :through => :votes, :source => :answer, :select => ''DISTINCT answers.*'' do def my_answers(whodunnit) chosen_answers.with_scope(:find => { :conditions => [ "votes.created_by=?", whodunnit ] }) do chosen_answers.find :all

Hi Railers! I''m building a new website for our bar-foos-league (league for foosball players who play in bars in Zurich, Switzerland ;-) Being a bit of a noob when it comes to rails and web development in general, I''ve come across a few questions. One concerns sorting of a has_many relationship, for instance. I''ve got a League model, which has_many TeamConfigs

I''m sure there''s something right under my nose that I''m missing. I have two tables with two parallel one-to-many relationships. I wish to use the :finder_sql parameter to essentially ''or'' the two foreign keys. What isn''t working for me is performing a ''sub-search''. Let''s say the tables are "stores" and

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

Hello all, I''m having problems creating a new record with has_many :through My application is quite complicated so I''ll try to explain it as easy as I can. I have a many to many relationship with Projects, IRBs and Reviews. Where reviews is the joined model. In the new project view, I have a link (add IRB). This will add an a list of IRBs to the new project form. I have visited

Hi, I haven''t done any associations before, so please forgive my incorrect use of terminology... If I set up a has_many :through association, can I manipulate the associated instances directly (like an Array), or do I need to manipulate the join model? For example, suppose I have two classes and the associated join model: class foo has_many :foo_bars has_many :bars, :through

Hello List, I''m trying to generate examples for some list-helpers I have coded which use in my projects. Basically, the Playlist class uses one anonymous module in has_many that acts as helper between acts_as_list and my desired API: class Playlist < ActiveRecord::Base # associations go here has_many :playlist_items, :order => :position, :dependent => :destroy has_many

Getting the through items from a has_many :through :uniq relationship In a nutshell, I have been using the has_many :through :uniq relationship, and I want a DRY way to list the join model objects. Currently, my objects include taxon objects, toxin objects, data_object objects, and taxon_toxin_citation objects ("citation" is another word for data_object). A taxon has many data objects,

I have a polymorphic thingy called fields and I need to on each and every model, so I''d like to do the has_many from the base class, like this... ActiveRecord::Base.class_eval do has_many :fields, :as => :model, :dependent => true end It fails with this no method error (class_of_active_record_descendant) /usr/lib/ruby/gems/1.8/gems/activerecord-1.15.6/lib/active_record/

I have 3 models that define members, groups and the subscriptions: Member, Group, and GroupMember. class Member < ActiveRecord::Base > has_many :group_subscriptions, class_name: "GroupMember" > has_many :groups, through: :group_subscriptions > attr_accessible :email, :password > end > class Group < ActiveRecord::Base > has_many :member_subscriptions,

I have the following 3 models (2 models joined by an intermediate): 1. class Exercise < ActiveRecord::Base 2. has_many :routines, :class_name=>''RoutineExercise'' 3. end 1. class Routine < ActiveRecord::Base 2. has_many :exercises, 3. :class_name=>''RoutineExercise'', 4. :order=>''position'' 5. end 1. class

I have users who belong to a group. I also have a room that belongs to a group. I want to use a has_many through association to link the room and the users as such: class Room < ActiveRecord::Base belongs_to :group has_many :users, :through => :group end The SQL generated for the search is incorrect: SELECT users.* FROM users INNER JOIN group ON users.group_id = groups.id WHERE

Hello forum readers, Let''s say i have two models: Person and Role (i replicated the problem with Post & Tag as well, as i thought the problem was linked to some application-specific rights problem, but it wasn''t). In Person, attr_accessible role_ids is declared, so it accepts an array of Role ids as an argument when creating / updating. If i fire up the rails console and