Sha256: 04c16129c8ab2ddb1e7ab1fa8576a5b8d7a4013829da53fc90a23fa266c9808c
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Size: 1.46 KB
Versions: 12
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Stored size: 1.46 KB
Contents
require 'open-uri'
require 'time'
require 'rexml/document'
class Audioscrobbler
include REXML
attr_accessor :url, :items, :link, :artist, :title
# This object holds given information of an item
class AudioscrobblerItem < Struct.new(:link, :artist, :title, :date)
def to_s; title 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 items array
def initialize(url, refresh = true)
self.items = []
self.url = url
self.refresh if refresh
end
# This method lets you refresh the items in the items 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.items = []
self.link = XPath.match(xml, "//channel/link/text()").to_s
self.title = XPath.match(xml, "//channel/title/text()").to_s
XPath.each(xml, "//item/") do |elem|
item = AudioscrobblerItem.new
item.title = XPath.match(elem, "dc:title/text()").to_s
item.artist = XPath.match(elem, "mm:Artist/dc:creator/dc:title/text()").to_s
item.link = XPath.match(elem, "link/text()").to_s
item.date = Time.mktime(*ParseDate.parsedate(XPath.match(elem, "dc:date/text()").to_s))
items << item
end
self.items = items.sort_by { |item| item.date }.reverse
end
end
Version data entries
12 entries across 12 versions & 1 rubygems