View Not Showing Data

Question

I have the following view in app/views/posts/index.html.erb:

<% @posts.each do |post| %>

<%= post.user %> is listening to <%= post.song %> by <%= post.artist %> from <%= post.album %>

<% end %>

And the corresponding controller:

class PostsController < ApplicationController
  def index
    @posts = Post.find(:all)   
  end

  def show
    @post = Post.find(params[:id])  
  end 

  def new
    @post = Post.new           
  end

  def create                   
    @post = Post.new(params[:posts])
    if @post.save              
      redirect_to action: "index"     
    else                       
      @posts = Post.find(:all) 
      render action: 'new'     
    end
  end
end

The problem is, when I create a record with the song attribute being "The Sound of Settling", the artist attribute being "Death Cab for Cutie", and the album atrribute being "Transatlanticism", nothing shows up when I render the index view.

Answer 1

As @house9 and @bdares said, I had :posts in my create action when it should have been :post.

Answer 2

For situations like this, the command line is invaluable.

$ rails console

Then play around, insert some data, fetch some. Start off with what goes wrong here:

> @posts = Post.find(:all)
> pp @posts

No results? there are no Posts, at all. Probably because of a problem on insertation:

> @post = Post.new({:user => 1, :song => "give it up", :artist => "rick", :album => "youtube greatest hits"})
> @post.valid?
> pp @post.errors
> @post.save!

It allows you to eliminate most problems beforehand.