activemodel Questions
4
Solved
I tried create new model which has auto type casting without table in database. I've tried to inherit from ActiveRecord::Base it's thrown exception ActiveRecord::StatementInvalid: PG::UndefinedTabl...
Westmorland asked 5/1, 2017 at 21:25
1
Solved
I'm using the gem active_model_serializers.
Serializers:
class ProjectGroupSerializer < ActiveModel::Serializer
attributes :id, :name, :description
has_many :projects
end
class ProjectSeria...
Dignify asked 3/2, 2017 at 3:36
5
Solved
How do I get ActiveRecord attributes method functionality? I have this class:
class PurchaseForm
include ActiveModel::Validations
include ActiveModel::Conversion
extend ActiveModel::Naming
at...
Chivalry asked 28/3, 2011 at 17:4
1
Solved
I am trying to do some basic rspec testing with shoulda matchers and I've come upon an error I haven't seen asked on SO before.
I have a unique attribute called name, but for reasons required of t...
Deathful asked 14/10, 2016 at 22:40
2
I've set up an ActiveModel class in my Rails app like this:
class MyThingy
extend ActiveModel::Naming
extend ActiveModel::Translation
include ActiveModel::Validations
include ActiveModel::Conv...
Coulomb asked 11/6, 2012 at 6:32
2
Solved
I'm trying to use ActiveModel instead of ActiveRecord for my models because I do not want my models to have anything to do with the database.
Below is my model:
class User
include ActiveModel::...
Marlin asked 17/7, 2011 at 4:38
2
Solved
I'm upgrading a Rails application I've inherited from 3.2 to 4.0.1. I followed and finished the edge guide here:
http://edgeguides.rubyonrails.org/upgrading_ruby_on_rails.html#upgrading-from-rail...
Pottery asked 23/4, 2016 at 1:37
3
Solved
According to the ActiveJobs guide, section 8, it says:
This works with any class that mixes in GlobalID::Identification,
which by default has been mixed into Active Model classes.
Mongoid::Do...
Brandwein asked 7/1, 2015 at 13:48
1
I have a Model Action that has a
belongs_to :actor, polymorphic: true
that actor can be: a Customer, Admin, Seller or Guest.
I want to filter instances of Action to just the actions made by a p...
Brittnee asked 26/11, 2015 at 9:3
6
Solved
How can i set include_root_in_json to false for all my RoR models?
I've tried to set ActiveModel::Base.include_root_in_json = false inside application.rb, but it has no effect.
Amice asked 10/12, 2010 at 10:44
3
Solved
How to impliment ActiveModel associations (tableless nested models)?
For example:
book has many chapters
With ActiveRecord I would create two models and assosiate them with has_many and belong...
Ninette asked 6/7, 2011 at 8:18
2
Solved
I need to validate email saving in email_list. For validation I have EmailValidator. But I cannot figure out how to use it in pair of validates_each. Are there any other ways to make validations?
...
Paronymous asked 2/6, 2014 at 8:53
5
Solved
With the recent upgrade to Rails 4, updating attributes using code resembling the below does not work, I get a ActiveModel::ForbiddenAttributes error:
@user.update_attributes(params[:user], :as =&...
Glorygloryofthesnow asked 3/7, 2013 at 14:5
3
Solved
Is there anyone who can help me by defining the exact difference between Active Model, Active Record and Active Resource. I have done enough googling in order to find the exact difference, but didn...
Unbroken asked 29/9, 2012 at 13:56
2
Solved
I'm working on a small DataMapper-like ODM project, and I'm trying to make use of the ActiveModel::Validations component. However, I ran into a problem while writing tests - I'm using anonymous cla...
Prognosis asked 21/1, 2013 at 2:29
2
Solved
I'm trying to send my front-end application json that looks like this:
{
facilities: [
{id: 5, name: 'happy days ranch', location: { address: '1424 Pastoral Lane', zipcode: '25245'}, instructor_...
Tessellated asked 11/5, 2013 at 21:40
2
Solved
The full error is the following:
ActiveModel::ForbiddenAttributesError in Admin::ProductsController#create
My product model only has a name and price. Why is commit a parameter? When I click th...
Overbalance asked 20/3, 2014 at 0:27
3
Solved
I have a nested attribute on which I perform presence validation. I am trying without success to provide translations for the attribute name that is returned in the full error message text.
The mo...
Jackquelinejackrabbit asked 4/8, 2014 at 11:13
2
Is possible use ActiveModel without rails?.
Is possible use ActiveModel in desktop application?
Chigoe asked 6/12, 2010 at 1:43
0
I am working on a small Rails project that simply allows a user to submit a form and the information from the form is sent via an API call to another service for consumption.
Here is my model:
cl...
Mitchum asked 21/7, 2014 at 13:53
1
Solved
I have the following models:
class Programme < ActiveRecord::Base
has_and_belongs_to_many :nationalities, class_name: 'Nation', join_table: 'nationalities_nations'
has_and_belongs_to_many :d...
Leucoplast asked 22/5, 2014 at 16:39
3
Solved
How do I serialize permissions with active_model_serializers? I don't have access to current_user or the can? method in models and serializers.
Colwen asked 25/7, 2012 at 23:24
6
Solved
I've configured my database.yml to point to my existing mysql database
how can I generate models from it?
rails generate model existing_table_name
only gives an emty model..
Smythe asked 7/11, 2010 at 20:58
1
Solved
We are trying to add multiple favoritable objects, where a user can favorite many different objects, but are not sure how to make it work.
Here is the Favorite model:
class Favorite < ActiveR...
Cauca asked 16/2, 2014 at 21:37
3
Solved
I want to DRY up several models by moving shared scopes into a module, something like:
module CommonScopes
extend ActiveSupport::Concern
module ClassMethods
scope :ordered_for_display, order(&q...
Scott asked 6/9, 2011 at 17:31
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