I am using FeedTools to parse an rss feed and store it in my Meetings
model.

I am trying to store only unique parsed rss feeds. To check for
uniqueness, I have decided to use the Feed's link. How can I check if
there is not already a row in the database containing that feed's link.

require "myprogram_dbconnect"
require 'rubygems'
require 'feed_tools'

activerecord_connect

class Meeting < ActiveRecord::Base
  has_many :comments
end

  meeting =
FeedTools::Feed.open('http://projects.washingtonpost.com/congress/rss/committee-events/')

    if #meeting with item.link does not allready exist in the database
      puts "No new feeds to put in database"
    else
      meeting.items.each do |item|
      Meeting.create(:title => item.title, :link => item.link,
:description => item.description,
                      :feed_data => item.feed_data, :feed_data_type =>
item.feed_data_type)
    end

end
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