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POTwitter Integration using Ruby on Rails
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  1. POTwitter Integration using Ruby on Rails
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    copied!<p>I have a Ruby on Rails application (Ruby-1.9, Rails-3.2)which integrates with twitter to display the latest tweets containing a particular "keyword" dynamically. But it throws an <strong><em>error</em></strong> as <strong>NameError in TweetsController#create uninitialized constant Twitter::Search</strong> on the browser . I have run the db migrations, restarted the server and tried for various options available on the net. But nothing seems to work. Can anyone help to resolve this error ?</p> <p>The model and controller files are below </p> <p><strong>Tweet.rb (model file)</strong></p> <pre><code>class Tweet &lt; ActiveRecord::Base def self.get_latest_new_year_resolution_tweets(keyword) search = Twitter::Search.new search.containing(keyword).result_type("recent").per_page(100).fetch.each do |tweet_results| twitter_created_at = DateTime.parse(tweet_results.created_at) unless Tweet.exists?(['twitter_created_at = ? AND from_user_id_str = ?', DateTime.parse(tweet_results.created_at), tweet_results.from_user_id_str]) Tweet.create!({ :from_user =&gt; tweet_results.from_user, :from_user_id_str =&gt; tweet_results.from_user_id_str, :profile_image_url =&gt; tweet_results.profile_image_url, :text =&gt; tweet_results.text, :twitter_created_at =&gt; twitter_created_at }) end end end end </code></pre> <p><strong>TweetsController</strong></p> <pre><code>class TweetsController &lt; ApplicationController def index end def create String strText = params[:tweet][:search].to_s Tweet.get_latest_new_year_resolution_tweets(strText) if Tweet.count &gt; 0 Tweet.delete_all end Tweet.get_latest_new_year_resolution_tweets(strText) @tweets = Tweet.order("twitter_created_at desc") render 'index' end end </code></pre> <p><strong>Index.html.erb (The view file)</strong></p> <pre><code>&lt;h1&gt;Twitter connect&lt;/h1&gt; &lt;form action="create" method="post"&gt; &lt;label for="keyword"&gt;Enter Keyword&lt;/label&gt; &lt;input id="keyword" name="tweet[search]" size="30" type="text" /&gt; &lt;input type="submit" value="search" /&gt; &lt;/br&gt; &lt;br&gt; &lt;/form&gt; &lt;/br&gt;&lt;/br&gt; &lt;div id="container"&gt; &lt;% if (@tweets != nil &amp;&amp; @tweets.count&gt;0) then %&gt; &lt;ul&gt; &lt;% @tweets.each do |tweet| %&gt; &lt;li class="&lt;%=cycle('odd', '')%&gt;"&gt; &lt;%= link_to tweet.from_user, "http://twitter.com/#{tweet.from_user}", :class =&gt; "username", :target =&gt; "_blank" %&gt; &lt;div class="tweet_text_area"&gt; &lt;div class="tweet_text"&gt; &lt;%=raw display_content_with_links(tweet.text) %&gt; &lt;/div&gt; &lt;div class="tweet_created_at"&gt; &lt;%= time_ago_in_words tweet.twitter_created_at %&gt; ago &lt;/div&gt; &lt;/div&gt; &lt;/li&gt; &lt;% end %&gt; &lt;/ul&gt; &lt;% end %&gt; &lt;/div&gt; </code></pre> <p>The gemfile is as below</p> <pre><code>source 'http://rubygems.org' gem 'rails', '3.0.3' gem 'sqlite3', '1.3.6',:group =&gt; :development #gem 'ruby-mysql' #gem 'mysql2' group :production do gem 'pg' end gem 'twitter', '4.6.2' </code></pre>
 

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