Sha256: 985845d854d6e1cdd762a1ce234ce08afccd351750e08c8bf79cc8631e555cdb
Contents?: true
Size: 1.05 KB
Versions: 11
Compression:
Stored size: 1.05 KB
Contents
require 'open-uri'
require 'time'
require 'rexml/document'
class Technorati
include REXML
def choose(num)
return cosmos unless cosmos.size > num
bag = []
set = cosmos.dup
num.times {|x| bag << set.delete_at(rand(set.size))}
bag
end
attr_accessor :url, :link, :title, :cosmos
# This object holds given information of a picture
class Inbound < Struct.new(:link, :title)
def to_s; title end
end
def initialize(url, refresh = true)
self.cosmos = []
self.url = url
self.refresh if refresh
end
# This method lets you refresh the tasks int the tasks 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.cosmos = []
XPath.each(xml, "//item/") do |elem|
inbound = Inbound.new
inbound.title = XPath.match(elem, "title/text()").to_s
inbound.link = XPath.match(elem, "link/text()").to_s
cosmos << inbound
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems