geofence

def get_distance
	venues = []
	
	venues << Venue.new(:lat => 45.572952,:lon => -122.68394,:name => "my house", :vid => 6129841)
	venues << Venue.new(:lat => 45.569133, :lon => -122.681568, :name => "new seasons", :vid => 42031)
	venues << Venue.new(:lat => 45.429839, :lon => -122.574021, :name => "24 hour fitness clackamas", :vid => 115506)
	venues << Venue.new(:vid => 89015, :name => "Fred Meyer, Arbor Lodge", :lat=> 45.577137, :lon => -122.68199)
	venues << Venue.new(:vid => 39705, :name => "The Green Dragon", :lat => 45.515798, :lon => -122.656703)
	venues << Venue.new(:vid => 36395, :name => "Oregon Convention Center", :lat => 45.528311, :lon => -122.663204)

	doc = Nokogiri::XML(open("http://www.google.com/latitude/apps/badge/api?user=864060340584737485&type=atom#"))
	lat,lon = doc.xpath("//georss:point").text.split(" ")
	my_location = Geodesic::Position.new(lat.to_f,lon.to_f)
	
	checkins = JSON.parse($r.get "checked_in")
	venues.each { |venue| 
		
		d = Geodesic::dist_haversine(my_location.lat, my_location.lon, venue.lat, venue.lon)
		puts "Distance to #{venue.name} is #{d} kilometers"
		if d < 0.5
			puts "Distance less than .5 kilometers, checking into venue"
			response = HTTParty.post("http://api.foursquare.com/v1/checkin",  
				:body => { "vid" => venue.vid, "shout" => "Checking in via Tyler's epic geofence app" }, 
				:basic_auth =>  { :username => "[email protected]", :password => "NOWAY" } )
			ap response
			$r.set "fence:#{venue.name}", Time.now.to_i
			return
		end unless Time.now.to_i - $r.get("fence:#{venue.name}").to_i < 86400
		if Time.now.to_i - $r.get("fence:#{venue.name}").to_i < 86400
			puts "already checked in"
		end
	}
	puts
end