require 'open-uri'
require 'net/http'
require 'rubygems'
require 'cuneiform'
require 'mockdata'
class Pachube
PACHUBE_SERVER = "www.pachube.com"
PACHUBE_BASE_URL = "http://#{PACHUBE_SERVER}/api/"
attr_accessor :key
def initialize key
@key=key
end
def feed feed_no
PachubeFeed.new(self, feed_no).refresh
end
def download_page mode, feed_no
return MOCK_DATA[feed_no] if :mock == @key
open(pachube_url(mode, feed_no)).read
end
def server
"www.pachube.com"
end
def uri mode, feed_no
"/api/#{feed_no}.#{mode}?key=#{@key}"
end
private
def pachube_url mode, feed_no
"#{PACHUBE_BASE_URL}#{feed_no}.#{mode}?key=#{@key}"
end
end
class PachubeFeed
attr_reader :text
def initialize pachube, feed_no
@pachube = pachube
@feed_no = feed_no
end
def refresh
@text = @pachube.download_page :xml, @feed_no
@feed = xml(@text).environment
self end
def data
for i in 0...size
yield tag(i), value(i), min(i), max(i)
end
end
def id
@feed.id
end
def title
@feed.title
end
def status
@feed.status
end
def location
@feed.location.name
end
def latitude
@feed.location.lat.v
end
def longitude
@feed.location.lon.v
end
def description
@feed.description
end
def website
@feed.website
end
def tag num=0
@feed.data[num].tag.v
rescue
nil
end
def value num=0
@feed.data[num].value.v
rescue
nil
end
def min num=0
@feed.data[num].value.minValue.v
rescue
nil
end
def max num=0
@feed.data[num].value.maxValue.v
rescue
nil
end
def size
@feed.data.size
end
def put(id, value)
xml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
<eeml xmlns=\"http://www.eeml.org/xsd/005\">
<environment>
<data id=\"#{id}\">
<value>#{value}</value>
</data>
</environment>
</eeml>"
client = Net::HTTP.new(@pachube.server)
client.send_request("PUT", @pachube.uri(:xml, @feed_no), xml,
{ 'X-PachubeApiKey' => @pachube.key,
'Content-Length' => xml.length.to_s
})
end
end
