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Ruby

Posted by Drew S
Drew S
34,034 Points

Help with Code Challenge: Finding and Building Models

I'm trying to figure out why my code isn't passing.

This is what it tells me to do:

Create a new UserFriendship instance variable set to user_friendship with the user set to the current_user and the friend set to the @friend instance variable.

This is what I have:

class UserFriendshipsController < ApplicationController
  def new
    if params[:friend_id]
      @friend = User.find(params[:friend_id])
      @user_friendship = current_user.user_friendships.new(friend: @friend)
    else
      flash[:error] = "Friend Required"
    end
  end
end

Any help is appreciative.

5 Answers

Jim Hoskins
STAFF
Jim Hoskins
Treehouse Guest Teacher
Jim Hoskins
Jim Hoskins
Treehouse Guest Teacher

Hi Andrew!

I went through this code challenge, and it looks like it's asking for something slightly different from the solution you are offering.

The challenge actually wants you to create an instance of UserFriendship directly, and not through an association.

The code offered

@user_friendship = current_user.user_friendships.create(friend: @friend)

Would work in a real application assuming the association was assigned. However, this code challenge seems to not be looking for an association-based solution, so the environment does not include the association.

Try creating a new instance of UserFriendship with the appropriate data.

Nicholas Watson
PLUS
Nicholas Watson
Courses Plus Student 1,160 Points
Nicholas Watson
Nicholas Watson
Courses Plus Student 1,160 Points

Looking at your code, it looks like you didn't save the @user_friendship object.

@user_friendship.save

The new method creates a new user_friendship, but does not save it to the database. If you wish to create the user_friendship without having to call save, use the create method:

@user_friendship = current_user.user_friendships.create(friend: @friend)
Drew S
Drew S
34,034 Points
Drew S
Drew S
34,034 Points

Nicholas,

Thank you for your reply

I tried using the code:

@user_friendship = current_user.user_friendships.create(friend: @friend)

And still it is not passing.

The error that it is giving me is:

ed091e8c-9403-45e0-9bc9-0700d62ef478.rb:83:in new': undefined methoduser_friendships' for #<User:0x0000000264aa08 @options={:current_user=>true}> (NoMethodError)

Any other suggestions?

Nicholas Watson
PLUS
Nicholas Watson
Courses Plus Student 1,160 Points
Nicholas Watson
Nicholas Watson
Courses Plus Student 1,160 Points

Looks like you don't have the relationships in the models set up correctly. What does your User model look like?

ecp
ecp
838 Points
ecp
ecp
838 Points

Hey @Andrew!

If you're still having trouble would you be able to email a link of the code challenge to me at help@teamtreehouse.com? Also include a screenshot of the code challenge while you're working on it :)

Thanks! I've ping'ed the Teaching team to help out too ^-^