Two fields of has many to same model

Question

I'm trying to achieve something like this:

TransportOrder has many LoadingPlaces as loadings
TransportOrder has many LoadingPlaces as unloadings

I can not create two separate models UnloadingPlaces and LoadingPlaces because later I want to search trough LoadingPlaces for TransportOrders.

Possible duplicate of [Ruby on rails - Reference the same model twice?](https://stackoverflow.com/questions/2057210/ruby-on-rails-reference-the-same-model-twice) — Alvaro Cantador, Jun 11 '18 at 13:20

score 1 · Accepted Answer · edited Jul 27 '16 at 16:18

1

Try to use foreign key syntax, and specify the class_name:

has_many :loadings, foreign_key: "traport_order_id", class_name: "TransportOrder"
has_many :unloadings, foreign_key: "traport_order_id_two", class_name: "TransportOrder"

edited Jul 27 '16 at 16:18

Yule

9,428
3
53
72

answered Jul 27 '16 at 16:15

Alvaro Cantador

645
8
26

Two fields of has many to same model

1 Answers1