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POOne-to-one association in Rails
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Id
10518640
data
AcceptedAnswerId
10527384
AnswerCount
2
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CommentCount
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CreationDate
2012-05-09T14:55:23.403
FavoriteCount
0
LastActivityDate
2012-05-10T04:08:35.233
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LastEditorUserId
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848503
ParentId
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ViewCount
150
LastEditorDisplayName
text
Body
My bussiness logic is as follows: I have a number of users. Each user can be either a requester or a worker. This is how I implemented it in Rails. I'm using devise for authentication. <pre><code>class User < ActiveRecord::Base devise :database_authenticatable, :registerable, :confirmable, :recoverable, :rememberable, :trackable, :validatable attr_accessible :name, :email, :password, :password_confirmation, :remember_me, :confirmed_at has_one :requester end </code></pre> Here is the requester model. <pre><code>class Requester < ActiveRecord::Base attr_accessible :rating belongs_to :user has_many :tasks end </code></pre> When I tried to test it with cucumber, I defined a method to create a number of users <pre><code>def create_confirmed_user(name,email,password) user = User.new(name: name, email: email, password: password, password_confirmation: password, confirmed_at: DateTime.now) user.skip_confirmation! user.save end </code></pre> And create requester from user <pre><code>def create_requester_from_user(email, rating) user = User.find_by_email(email) requester = Requester.new(rating: rating) requester.user = user requester.save binding.pry #To debug 0 end </code></pre> When I debugged with pry, I found that <code>requester.user</code> returned a user but <code>r = Requester.first</code> then <code>r.user</code> return nil (I checked that <code>r == requester</code> return true). That is weird. Speculating that the problem comes from not preparing the test database, I have run <code>rake db:test:prepare</code> to check but <code>r.user</code> still return nil. Another question: with this model, can I call <code>user.requester</code> to get the requester belongs to this user ? One more question is that how to implement this bussiness logic properly ? Is Single Table Inheritance (STI) a good choice ? Since I googled and found that using STI has many bad side-effects.
Tags
<ruby-on-rails><cucumber>
Title
One-to-one association in Rails
singulars
PostAcceptedAnswerId
1. PO
 singulars
 PostTypePostTypeId
 PTAnswer
PostParentId
1. This table or related slice is empty.
PostTypePostTypeId
1. PTQuestion
UserLastEditorUserId
1. This table or related slice is empty.
UserOwnerUserId
1. USv4r
plurals
PostLinksPostIdRelatedPostId
1. PL
 singulars
 LinkTypeLinkTypeId
 LTLinked
PostLinksRelatedPostIdPostId
1. This table or related slice is empty.
PostsAcceptedAnswerId
1. This table or related slice is empty.
PostsParentIdCreationDate
1. PO
 singulars
 PostTypePostTypeId
 PTAnswer
2. PO
 singulars
 PostTypePostTypeId
 PTAnswer
VotesPostIdCreationDate
1. VO
 singulars
 PostPostId
 POOne-to-one association in Rails
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
CommentsPostId
1. This table or related slice is empty.

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