Twitter in Rails: Showing posts.

01-config--routes.rb

Rails.application.routes.draw do
  # ...
  # Add a get route for listing posts
  get '/posts' => 'posts#index'
  # ...
end

02-app--controllers--posts_controller.rb

class PostsController < ApplicationController
  def index
    # Make a new instance of the Twitter client
    # (we will move this to it's own class later)
    client = Twitter::REST::Client.new do |config|
      config.consumer_key        = ENV["twitter_consumer_key"]
      config.consumer_secret     = ENV["twitter_consumer_secret"]
      # Use access_token info we already saved to the database
      config.access_token        = current_user.twitter_token
      config.access_token_secret = current_user.twitter_token_secret
    end

    # Make a request to Twitter for the home_timeline
    # Store that in an instance (@) variable for use in view/erb
    @posts = client.home_timeline(count: 50)
  end
end

03-app--views--posts--index.html.erb

<h1>Your posts</h1>

<%# Have an ordered list wrapper for the list of posts %>
<ol>
  <%# Loop through the @posts we got from Twitter %>
  <% @posts.each do |post| %>
    <%# Each post has a list item wrapper %>
    <li>
      <%# Print out the post's user's name %>
      <strong>@<%= post.user.name %>:</strong>
      
      <%# Print out the post's text %>
      <p><%= post.text %></p>
    </li>
  <% end %>
</ol>