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Questions tagged [virtual-attribute]

113 questions
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Virtual attributes with Devise in Rails 4

My User model doesn't have a :name field but I want to include a :name field in my sign up form which will be used to create a record of another model in an after_create. class User < ActiveRecord::Base after_create :create_thing private def…
Aen Tan
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CanCan, Rails 4, UnknownAttribute error on virtual attributes

I am having a heck of a time figuring out how to get a virtual attribute past CanCan during a new record create: I have Teams, with :name and :description Teams have users through memberships, which I control through a separate controller action,…
Merovian
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Virtual Attributes with Sinatra and Datamapper

I am converting a Rails app to Sinatra. The application relied on ActiveRecord which supports virtual attributes, however, I am struggling to find similar support in DataMapper. In Rails, I used an algorithm to generate scores and sort records…
Dru
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Rails: Find or create by virtual attribute

I have kind of a tricky problem I'm working on in my current rails app. In my app users share photos. Photos can be associated with a city, so City has_many :photos. I want users to be able to associate their photos with a city using autocomplete…
Andrew
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Rails 3 Nested Attributes?

I have an application that tracks services (servers) with IP addresses. I'm trying to set it up so that when I create a new service the following happens: All IP addresses are looked up, if they do not have a service_id then they're classed as…
Paul Millar
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rails virtual attributes won't read from form_for submission

I am trying to implement a rails tagging model as outlined in Ryan Bate's railscast #167. http://railscasts.com/episodes/167-more-on-virtual-attributes This is a great system to use. However, I cannot get the form to submit the tag_names to the…
jay
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Ruby on Rails - Searching virtual attributes (tags)

I've set up a Virtual Attribute tagging system as shown by Ryan Bates here: http://railscasts.com/episodes/167-more-on-virtual-attributes The system works really well for applying tags to my models and is something I implemented into my system a…
anon
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1 answer

Setting model association in Rails - saving 'from grandchild side'

I'm a Ruby newbie so please forgive if some of these is complete ignorance. I want to set following associations: Transcription belongs to Composition Composition has many transcriptions, belongs to Artist Artist has many compositions (and…
chodorowicz
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How Do I Parse a Text Field and then Write it to Multiple Models in Ruby on Rails?

I have simple project+task application I am creating in Rails 3.1.RC4. It will have project names, tasks and each task will be assigned to a person. The project form is simple with only two boxes (1) task name and (2) the tasks and assignee. On the…
JHo
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Rails Validating on a virtual attribute, setting form error. Railscast #32

I'm basically attempting to implement the solution from Railscast #32, modernized for Rails 3.0.7 http://railscasts.com/episodes/32-time-in-text-field class Task < ActiveRecord::Base attr_accessible :description, :complete, :deadline validate…
Carl Thuringer
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I have identical getter/setter code used for multiple virtual attributes - can I refactor with eval?

I have written customised getter and setter methods for virtual attributes to convert decimals into integers for storage in a database. This is one of three virtual attributes (annual_fee_dollars) that get/sets from a real attributes (annual_fee)…
Rob d'Apice
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What's the best Rails convention for this?

Let's say that you have a resource that is created and displayed entirely within the view of another resource (eg. comments or tags). Should you still make it it's own resource, or would it be a better idea to make it a nested resource? Also, should…
Justin Meltzer
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Yii2 call method/function of a different model

I have a method/function of a virtual attribute in Model1: class Model1 { public $virtattr; public $_virtattr; public function getVirtattr () { if (isset($this->_virtattr)) { return $this->_virtattr; } …
user2511599
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Yii2 virtual attribute out of an attribute of a SqlDataProvider

My AddressController: public function actionIndex() { $searchModel = new AddressSearch; $dataProvider = $searchModel->search($_GET); return $this->render('index', [ 'dataProvider' => $dataProvider, 'searchModel' =>…
user2511599
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Using named scope with find_or_create_by

I spent some time figuring this out and haven't seen others post on it so maybe this will help someone. Also, I don't have much Rails experience so I'd be grateful for any corrections or suggestions, though the code below seems to work well. I've…
NAD
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