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Versions: 13
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Stored size: 1.63 KB
Contents
require 'open-uri'
require 'time'
require 'rexml/document'
# Example:
#
# fortythree = Fortythree.new('http://www.43things.com/rss/uber/author?username=<user>')
# fortythree.things.each do |thing|
# puts "#{thing.title} @ #{thing.link} updated at #{thing.date}"
# end
#
class Fortythree
include REXML
attr_accessor :url, :things, :link, :title, :description
# This object holds given information of a thing
class ThingItem < Struct.new(:link, :title, :date)
def to_s; title end
def date=(value); super(Time.parse(value)) end
end
# Pass the url to the RSS feed you would like to keep tabs on
# by default this will request the rss from the server right away and
# fill the tasks array def initialize(url, refresh = true)
def initialize(url, refresh = true)
self.things = []
self.url = url
self.refresh if refresh
end
# This method lets you refresh the things into the things array
# useful if you keep the object cached in memory and
def refresh
open(@url) do |http|
parse(http.read)
end
end
private
def parse(body)
xml = Document.new(body)
self.things = []
self.link = XPath.match(xml, "//channel/link/text()").to_s
self.title = XPath.match(xml, "//channel/title/text()").to_s
self.description = XPath.match(xml, "//channel/description/text()").to_s
XPath.each(xml, "//item/") do |elem|
thing = ThingItem.new
thing.title = XPath.match(elem, "title/text()").to_s
thing.date = XPath.match(elem, "pubDate/text()").to_s
thing.link = XPath.match(elem, "link/text()").to_s
things << thing
end
end
end
Version data entries
13 entries across 11 versions & 1 rubygems