similar to: Using ActiveRecord With (Previously) Derived Classes

All, My apologies if this is a little long-winded and stream of consciousness-y :). SUMMARY: Why do we extend ActiveRecord instead of mixing it in to our model classes? Been thinking about my app''s models and starting to want to build something of a hierarchy. I have some commonality across 3 of my model classes and I''d liek to aggregate the behavior in a superclass.

i keep getting this AssociationTypeMismatch error. i think this could be a bug related to ruby/rails when using mixins. heres a short version of my code: # user.rb require ''friend_invitation'' require ''friendship'' class User < ActiveRecord::Base include FriendInvitationUser, FriendshipUser ... end # friendship.rb ... module FriendshipUser def

Coming from a C++ and C# background I would like to know how inheritance works with 'R'. The classical example is I can define an abstract class 'Shape' and have an array of 'Shape's but each instance could be a Circle, Square, Triangle, etc. because they all derive from 'Shape'. At runtime if I wish I can tell the type of the 'Shape' using various language

Does anyone know how to make a model connect to a remote database and only for that specific model? That way I can do the typical CRUD functions on a remote server? -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group,

I have a few simple controllers doing plain, simple crud in a standard way. now it''s not very DRY to write a funtcional test for each controller, since they are all doing the same (apart from a few variable names, but that could be easily inflected or so). is there a way to do this? e.g. does inheritance work with tests, so i define a base test first, inherit my other tests and add a few

I am mocking a rails model that hasn''t been implemented and belongs_to a model that I am developing with rspec. The model in development, Audit, has_many AuditItems which is being mocked. When created, Audit creates the first instance of AuditItem. To enable me to mock AuditItem I have created a factory method in Audit to create the AuditItem, rather than creating it in the initialize

For edge rails there is a Crud generator. There is also a CRUD controller that is out there from which you can inherit your other controllers (see http://geekonomics.blogspot.com/2006/07/crud-and- shared-controllers.html) This got me thinking about Crud controllers in general. As far as I know, the generator can''t produce crud classes which are nested (i.e.

Hello everyone! I have generic views for CRUD operations For example I render(''shared/list'') from controller shared/list.rhtml ... <% for item in @list %> <tr class="<%= cycle ''list-line-odd'', ''list-line-even'' %>"> <%= render :partial => ''item'', :locals => { :item => item } %>

Hi, We currently use ldap ENC to set server role variables and extlookup to set domain or environment variables. I have a suggestion regarding ldap use as an ENC - if a node within ldap has the environment attribute set then it should inherit/mixin (if available) from a node named after it''s environment. It could be populated with only puppetVar type attributes so that any environment

Hi folks, Can anyone share some accumulated wisdom about the best way to spec mixins in general, and (Jamis Buck-style) ActiveRecord "concerns" in particular? The standard situation here is that there''s a bunch of functionality, related by concept if not by implementation, that one wants to inherit in many different classes (e.g. ActiveRecord models) without having to

Hello everyone. I am not sure if this is the right place to post, please redirect me if there is a mailinglist more specifically dealing with prototype.js. After playing around with the very inspiring prototype library I have found a rather annoying thing, that makes the usefulness of the Enumerable mixin for Hashes questionable, if I am not totally wrong (again :-). Here an example:

Hi all, How can I use spec fixtures with rails integration tests ? I''ve tried adding {{ fixtures "../../spec/fixtures/myfixture" }} to the integration test but the fixtures are not loaded when I run the rake task. Rails doesn''t load symlinked fixtures either so I copied the files from spec/fixtures for the time being. Not very DRY. Any ideas ? Keith

Hello, I''m currently creating my first plugin in rails. It creates a model and a mixin for controllers. For testing purposes I need a test controller (sort of a mock) to which I can include my mixin and test wether the mixed in methods work. My problem is in order to do this I either have to setup my test enviorment in a rails app outside of my plugin or I have to replicate a whole rails

There appear to be three acts_as_taggable implementations and I''m looking for a recommendation on which to use. - Gem - DHH plugin - Dema mixin The Gem implementation appears to be obsolescent, from what I can read on the lists and Google search. I like that the DHH plugin uses polymorphic associations because there will be lots of different taggable items in my application; however,

I''m rewriting an application with the intention to use the elegant CRUD and REST design principles as outlined by DHH in his RailsConf Keynote[1]. The question is: how do you use those principles for an application that is of a sequential nature? The application works much like an MS Windows wizard: user begins at screen foo. After doing (or not) some stuff in screen foo, he is taken to

I have some protected methods and authentication/acl filters I want to inherit down through my controllers. So I have controllers which inherit like this: Application_controller \ -- AdminArea Controller --\ ----dashboard controller ----user controller ----content controller ----\ ------page controller ------placement controller -- PublicArea Controller --\ ........ At the deepest level the

Hi All, I'm hoping someone else can help me out with this. I am doing some matrix algebra using sub-parts of matrices, and sometimes I need only a single row/column of the original matrix. However, whenever I pull out only a single row/column, R returns a row vector, but often this will break my matrix algebra. Is there any *easy* way to get R to remember what the single row/column came out

(NPM: new pass manager; LPM: legacy pass manager) Hello, community While we're still working towards using NPM for optimizer pipeline by default, we still don't have a machine pass interface and the corresponding machine pass manager using NPM. The potential benefits using NPM aside, this inhibits us from making any progress on deprecating LPM for the codegen pipeline which blocks

I believe this has already been discussed[1], but I''d like to add a bit more to that original discussion and see if anyone has any suggestions. Here''s what I''m trying to do: we have a set of very thorough "wipe" scripts that run every night on our workstations. I''d like to stash these into a class so that I can include them as a group: class wiped

I want to include common auditing functionality in my models. This involves storing the changes made to a model in a seperate table : I have created the functions in an Audit module : module Audit before_update :before_changes after_update :after_changes def before_changes old=self.class.find(id).attributes @changes=[] attributes.each do |key, val| if val != old[key]