Ya I agree with you - I can manually combine arrays no problem, but then it's a pain to sort and I'm unable to use named_scope's, etc.
There's got to be a clean way... On Mar 5, 1:48 am, Colin Law <[email protected]> wrote: > As you say @company.surveys returns an array of Surveys, so normally you > would have to say @company.surveys[i].survey_questions which will again > return an array of questions, and so on. Are you asking for a means to > automatically combine all the results obtained by iterating each of the > arrays down the chain? I don't know of a way to do that automatically, > without iterating each of the arrays and building a combined list. I would > not be in the least surprised to find that Ruby has some magic construct to > achieve this however. Maybe this is a challenge to the Ruby geeks to > provide the answer by the most concise (and possibly undecipherable) code. > > 2009/3/5 Chad <[email protected]> > > > > > > > I like the idea, but this is what I get: > > > @answers = @company.surveys.survey_questions.survey_answers > > > undefined method `survey_questions' for #<Class:0x203b590> > > > I feel like the first call, @company.surveys is just returning an > > array and then I'm trying to call the survey_questions method on that > > array. > > > Is there a way to modify that call to get the desired chaining? > > > On Mar 5, 1:13 am, Peter Vandenabeele > > <[email protected]> wrote: > > > On Thu, Mar 5, 2009 at 9:21 AM, Chad <[email protected]> wrote: > > > > In the following model, is there an easy way to setup my models so > > > > that I can make the following call: @company.survey_answers > > > > > class Company < ActiveRecord::Base > > > > has_many :surveys > > > > has_many :survey_questions, :through => :surveys > > > > end > > > > > class Surveys ... > > > > belongs_to :company > > > > has_many :survey_questions > > > > end > > > > > class SurveyQuestions ... > > > > belongs_to :survey > > > > has_many :survey_answers > > > > end > > > > > class SurveyAnswers ... > > > > belongs_to :survey_question > > > > end > > > > What happens when you try: > > > > (1) @company.surveys.survey_questions.survey_answers > > > > or > > > > (2) @company.survey_questions.survey_answers > > > > I believe form (1) should certainly work after removing the line > > > 'has_many :survey_questions, :through => :surveys' > > > > I am uncertain if form (2) will work (because I am uncertain if > > > has_many :through works that way and no > > > time to test it here) > > > > I don't see how '[email protected]_answers' could work since there is no > > has_many > > > relationship with the name 'survey_answers' in the Company class. It > > > is only defined > > > in the SurveyQuestions class. > > > > HTH, > > > > Peter --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
