In your “create” method, on your controller:
@search = current_user.searches.build(params[:search])
Assumes:
- current_user contains your user record (via devise)
- search, searches is the model of the record you are trying to create
- build is just there to marshal your posted form parameters, so no need to include them (RoR is magical like that)
- current_user.searches is building the relationship between those two, so the search you are creating will have the associated user_id on it
So your User model:
has_many :searches, dependent: :destroy
And your Searches model:
belongs_to :user
This is the very basic association operation. For more details and the list of all possible combinations you can form (from the source):
http://api.rubyonrails.org/classes/ActiveRecord/Associations/ClassMethods.html