This tag is for questions about the Rails has-many-polymorphs plugin.
The title is oxymoronic.
Questions tagged [has-many-polymorphs]
42 questions
27
votes
2 answers
HABTM Polymorphic Relationship
I'm pretty new to Rails, and i'm trying to do a polymorphic HABTM relationship. The problem is that I have three models that I want to relate.
The first one is the Event model and then are two kind of attendees: Users and Contacts.
What I want to do…
Mateus Pinheiro
- 870
- 2
- 12
- 20
7
votes
1 answer
has_many :through, :source, :source_type returning empty array
I got some Manager and SoccerTeam model. A manager "owns" many soccer teams; also a manager can comment on soccer teams and can comment on other managers too:
manager.rb
# Soccer teams the manager owns
has_many :soccer_teams, :dependent =>…
Alberto Santini
- 6,425
- 1
- 26
- 37
7
votes
1 answer
Ruby on Rails 3: Combine results from multiple has_many or has_many_through associations
I have the following models. Users have UserActions, and one possible UserAction can be a ContactAction (UserAction is a polymorphism). There are other actions like LoginAction etc. So
class User < AR::Base
has_many :contact_requests,…
Jens
- 1,386
- 14
- 31
5
votes
1 answer
Rails Has Many Through Polymorphic Checkboxes
This one's really getting me down! :(
I'm trying to make a nested model form for my User model with a checkbox list in it where multiple Stores can be checked or unchecked to administer the Stores through model Staffing.
class Staffing <…
blastula
- 637
- 1
- 6
- 10
3
votes
1 answer
Separate Polymorphic Association table
After reading the Ruby on Rails guides and a few of the stackoverflow responses to questions about polymorphic association I understand its use and implementation but I have a question about a specific use scenario. I have tags that can be…
b_d
- 777
- 2
- 7
- 18
3
votes
1 answer
Conflicting associations in has_many_polymorphs
I'm using has_many_polymorphs to create a "Favorites" feature on a site where multiple users can post stories and make comments. I want users to be able to "favorite" stories and comments.
class User < ActiveRecord::Base
has_many :stories
has_many…
Galen
- 636
- 6
- 12
2
votes
1 answer
Rails self-referential has_many through
I'm trying to make a self-referential user class with three basic user types - parent, student, and tutor. A student belongs to a parent and can also belong to a tutor. Of course, the way I have it written, rails only recognizes the parent having…
Chris
- 719
- 1
- 7
- 22
2
votes
0 answers
How can I add, delete and get a favorite from product with polymorphic relationship, in Laravel 5.6?
My product model like this :
morphMany(Favorite::class, 'favoritable');
…
moses toh
- 12,344
- 71
- 243
- 443
2
votes
1 answer
What does has_many_polymorphs mean by "Referential integrity violation"?
I have a has_many_polymorphs relationship between a Candidate and many events of various type. In particular, a Candidate creates a Created event when it is created.
class Candidate < ActiveRecord::Base
has_many_polymorphs :events, :through =>…
James A. Rosen
- 64,193
- 61
- 179
- 261
1
vote
2 answers
accessing an attr_writer on a nested attribute asset from a file uploaded via form
I have the following model structure
class Asset < ActiveRecord::Base
attr_writer :session_user_id
...
end
class Item < ActiveRecord::Base
has_many :assets, :as => :assetable, :dependent => :destroy
...
end
and want to put the user_id in…
timpone
- 19,235
- 36
- 121
- 211
1
vote
1 answer
Rails combine multiple polymorphic has_many associations
I have a model called Organization that has many teams and has many collaborations. A Collaboration also has many teams. So the team model has a polymorphic association with Organization and Collaboration.
What I would like to do is…
Asdrubal
- 2,421
- 4
- 29
- 37
1
vote
1 answer
Is it possible to define a polymorphic relationship through different paths (intermediate model) in Laravel models?
I have the models "Payment", "Estimate" and "Quote", a payment has a polymorphic relationship where it can belong either to a quote or to an estimate, simultaneously a quote can have many estimates, so an estimate is always going to belong to a…
Eliezer Gallego
- 45
- 1
- 4
1
vote
1 answer
has_many through and polymorphic relationships
I don't know if this is possible, but here goes:
FruitBasket
has_many :apples
has_many :bananas
######## What to put here to access Worm through its pest_holder relationship?
Apple
has_many :worms, :as => :pest_holder
belongs_to…
nbucciarelli
- 460
- 2
- 6
- 16
1
vote
2 answers
rails3 model question
i moved from php to rails3, and i still think it was a good decision! Anyway I have some models:
users
questions
answers
question_id
votes
user_id
answer_id
model for users:
has_many :questions
has_many :votes
model for questions:
belongs_to…
Thijs
- 387
- 5
- 20
1
vote
0 answers
has_many through polymorphic with alias on both sides
I have a problem joining two models in a n..n association.
I have the following associations in the context:
Proposal n..n Product
Proposal n..n Project
Proposal n..n NewProject
And similarly with this, I have:
Order n..n Product
Order n..n…
