Convert an RSS of Foursquare checkins into a SIFTTTER format

sifttter_formatter_foursquare.rb

#!/usr/bin/ruby
# Convert an RSS of Foursquare checkins into a SIFTTTER format
# Find feed at https://foursquare.com/feeds/
# eg https://feeds.foursquare.com/history/YOUR_FEED_HERE.rss?count=COUNT
# SIFTTTER: http://craigeley.com/post/72565974459/sifttter-an-ifttt-to-day-one-logger

require 'rubygems'
require 'simple-rss'
require 'open-uri'

output_path = 'foursquare.md'
saved_rss = 'feed.rss'
username = ''
entries = []

SimpleRSS.item_tags << :"georss:point"
response = SimpleRSS.parse open(saved_rss)

class Entry
  def parse(item)
    @title       = item[:title]
    @description = item[:description].gsub("@ #{@title}", '').strip()
    @coordinates = item[:georss_point].split(' ').join(',')
    @map         = "https://www.google.co.uk/maps/place/#{@coordinates}"
    @checkin_url = "https://foursquare.com/#{username}/checkin/#{item[:guid]}"
    @date        = item[:pubDate].strftime('%B %d, %Y at %I:%M%p')
  end

  def render
    "- #{@date} - #{@title}#{" #{@description}" if !@description.empty?} [Map](#{@map}) | [4SQ](#{@checkin_url}) @done\n"
  end
end

def read_file(file)
  f = File.open(file.strip, encoding: 'UTF-8')
  lines = f.read
  f.close
  lines
end

response.items.each do |item|
  entry = Entry.new
  entry.parse(item)
  entries << entry
end

fh = File.new(File.expand_path(output_path),'w+')
fh.puts entries.map {|entry| entry.render}
fh.close