How can I make a has_many through work with multiple database connections? I have a database named "master" that holds the location information. That is updated from a separate application. Users...

How to query for Companies with a certain Branch in a "has_many :through" relationship? #company.rb has_many :branch_choices has_many :branches, :through => :branch_choices "Find all compa...

Can someone tell me if I'm just going about the setup the wrong way? I have the following models that have has_many.through associations: class Listing < ActiveRecord::Base attr_accessible .....

How can I achieve the following? I have two models (blogs and readers) and a JOIN table that will allow me to have an N:M relationship between them: class Blog < ActiveRecord::Base has_many :b...

Original question Two resources: users and animals. When creating a user, the client selects check boxes to say how many animals they have. When the user form is submitted, it should not only cr...

I have the following three models (massively simplified): class A < ActiveRecord::Base has_many :bs has_many :cs, :through => :bs end class B < ActiveRecord::Base belongs_to :a has_m...

I have a Subscriber model // Subscriber Model id user_id subscribable_id subscribable_type public function user() { return $this->belongsTo('App\User'); } public function subscribable() { r...

I have a Task model associated to a Project model via has_many through and need to manipulate the data before delete/insert via the association. Since "Automatic deletion of join models is dir...

I've found a bunch of articles, stackoverflow answers and rails documentation about 'source:', but none of it explains this association in a way I can understand it. I need the most simplified expl...

I'm new to testing and rails but i'm trying to get my TDD process down properly. I was wondering if you use any sort of paradigm for testing has_many :through relationships? (or just has_many in ...

Greetings, I have an application where Companies and Users need to belong to each other through a CompanyMembership model, which contains extra information about the membership (specifically, whet...

I get confuse now, I don't know how to delete/destroy a record in a join table: class Task < ActiveRecord::Base belongs_to :schema belongs_to :to_do end class Todo < ActiveRecord::Base ...

I'm new to rails and I've been trying to get two has_many :though relationships to work out (as opposed to using has_and_belongs_to_many as explained by this post http://blog.flatironschool.com/pos...

Just ran into an issue with a has_many :through association and after/before-destroy callbacks not being triggered. Say, I have users, groups, and an intermediate relation called membership. I ha...

Given the following AR models, I would like to sort users alphabetically by last name when given a handle to a task: #user has_many :assignments has_many :tasks, :through => :assignments #ass...

I have a user model and role model, connected in ActiveRecord by: has_many roles, through: :role_accounts I want to have an "Edit User" screen that has a list of checkboxes, one for each role. U...

i have three models, all for a has_many :through relationship. They look like this: class Company < ActiveRecord::Base has_many :company_users, dependent: :destroy has_many :users, through: ...

I've got a RoR project in the works. Here are the applicable sections of my models. Home has_many :communities, :through => :availabilities has_many :availabilities, :order => "price ASC" ...

Upgrading an app from Rails 4.2.9 to Rails 5.2.1. Through much of the nasty part updating dependencies & whatnot and finally have app running in the console and now trying to hit pages on serv...

In my Laravel application I have the following classes: class Product extends Model { public function extended() { return $this->morphTo(); } public function users { return $this->bel...

I have four Models: User Client Store Opportunity The relationships are defined as such: User hasMany Client Client hasMany Store Store hasMany Opportunity User hasManyThrough Store, Client (...

Already a month trying to solve the problem at first sight is not very complicated: There are 3 models - team, user and team_user (has_namy: through) In the form of edit and new team to do the abil...

Right. This simply refuses to work. Been at this for hours. album model class Album < ActiveRecord::Base has_many :features, through: :join_table1 end features model class Feature < Act...

I am stuck. I've been trying to figure out how to include the association changes (has_many, has_many through) on a model that has papertrail. I would like to call MyModel.versions.first.changeset ...

I have problems with getting a has_many through association to work. I keep getting this exception: Article.find(1).warehouses.build ActiveRecord::HasManyThroughAssociationNotFoundError: Could no...