Showing /home/jeremy/projet/blog/app/views/posts/show.html.erb where line #3 raised:
undefined method `title' for nil:NilClass
Extracted source (around line #3):
1 2 3 4 5 6 |
|
Rails.application.routes.draw do
get 'welcome/index'
# The priority is based upon order of creation: first created -> highest priority.
# See how all your routes lay out with "rake routes".
resources :posts
# You can have the root of your site routed with "root"
root 'welcome#index'
# Example of regular route:
# get 'products/:id' => 'catalog#view'
# Example of named route that can be invoked with purchase_url(id: product.id)
# get 'products/:id/purchase' => 'catalog#purchase', as: :purchase
# Example resource route (maps HTTP verbs to controller actions automatically):
# resources :products
# Example resource route with options:
# resources :products do
# member do
# get 'short'
# post 'toggle'
# end
#
# collection do
# get 'sold'
# end
# end
# Example resource route with sub-resources:
# resources :products do
# resources :comments, :sales
# resource :seller
# end
# Example resource route with more complex sub-resources:
# resources :products do
# resources :comments
# resources :sales do
# get 'recent', on: :collection
# end
# end
# Example resource route with concerns:
# concern :toggleable do
# post 'toggle'
# end
# resources :posts, concerns: :toggleable
# resources :photos, concerns: :toggleable
# Example resource route within a namespace:
# namespace :admin do
# # Directs /admin/products/* to Admin::ProductsController
# # (app/controllers/admin/products_controller.rb)
# resources :products
# end
end
app/controllers/posts_controller.rb
class PostsController < ApplicationController
def new
end
def create
@post = Post.new(post_params)
@post.save
redirect_to @post
end
private
def post_params
params.require(:post).permit(:title, :text)
end
def show
@post = Post.find(params[:id])
end
end
-
app/views/posts/new.html.erb
<h1>New Post</h1>
<%= form_for :post, url: posts_path do |f| %>
<p>
<%= f.label :title %><br>
<%= f.text_field :title %>
</p>
<p>
<%= f.label :text %><br>
<%= f.text_area :text %>
</p>
<p>
<%= f.submit %>
</p>
<% end %>
-db/migrate/20140630133544_create_posts.rb
class CreatePosts < ActiveRecord::Migration
def change
create_table :posts do |t|
t.string :title
t.text :text
t.timestamps
end
end
end
-
app/views/posts/show.html.erb
<p>
<strong>Title:</strong>
<%= @post.title %>
</p>
<p>
<strong>Text:</strong>
<%= @post.text %>
</p>
So if you can tell me what's wrong I'll be very happy, because I really don't get it.
Thanks.
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