#359 Twitter Integration pro

Jun 15, 2012 | 14 minutes | Plugins

Here I show how to integrate Twitter into a Rails app. This includes fetching data, caching it, and even how to authenticate as a user signing in to your application through Twitter.

Click to Play Video ▶

Download:
source codeProject Files in Zip (119 KB)
mp4Full Size H.264 Video (32.4 MB)
m4vSmaller H.264 Video (18.2 MB)
webmFull Size VP8 Video (13.3 MB)
ogvFull Size Theora Video (44.4 MB)

Browse Source Code

Resources

          terminal
        
rails g model testimony tweet_id screen_name content:text
rake db:migrate
rails g migration add_oauth_to_users oauth_token oauth_secret
rake db:migrate

          rails console
        
Twitter.favorites("railscasts", count: 1)
t = _.first
t.text
t.id
t.created_at
t.user.name
t.user.screen_name
t.user.profile_image_url
Testimony.pull_tweets
Twitter.favorites(count: 1)
Twitter.rate_limit_status
Twitter.update("This week's topic will be on Twitter integration. You will see me send this tweet during the episode!")
u = User.first
u.twitter.current_user.screen_name

          Gemfile
        
gem 'twitter', '3.0.0.rc.1'

          models/testimony.rb
        
def self.pull_tweets
  Twitter.favorites("railscasts", since_id: maximum(:tweet_id)).each do |tweet|
    unless exists?(tweet_id: tweet.id)
      create!(
        tweet_id: tweet.id,
        content: tweet.text,
        screen_name: tweet.user.screen_name,
      )
    end
  end
end

          models/user.rb
        
def self.from_omniauth(auth)
  user = where(auth.slice("provider", "uid")).first || create_from_omniauth(auth)
  user.oauth_token = auth["credentials"]["token"]
  user.oauth_secret = auth["credentials"]["secret"]
  user.save!
  user
end

def self.create_from_omniauth(auth)
  create! do |user|
    user.provider = auth["provider"]
    user.uid = auth["uid"]
    user.name = auth["info"]["nickname"]
  end
end

def twitter
  if provider == "twitter"
    @twitter ||= Twitter::Client.new(oauth_token: oauth_token, oauth_token_secret: oauth_secret)
  end
end

          home/index.html.erb
        
<% Testimony.order("tweet_id desc").limit(3).each do |testimony| %>
  <blockquote><%= testimony.content %></blockquote>
  <div class="from">&mdash; @<%= testimony.screen_name %></div>
<% end %>