Class: PollenCounts

Inherits:
Object
  • Object
show all
Defined in:
lib/utahpollen.rb

Constant Summary collapse

LEVEL = 
{}

Class Method Summary collapse

Class Method Details

.get ⇒ Object 



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# File 'lib/utahpollen.rb', line 13

def self.get
	begin
		doc = Nokogiri::HTML(open("http://www.intermountainallergy.com/pollen.html"))
		names = []
		doc.xpath('//td/b').each do |node|
			names << node.text  
		end

		counts = []
		doc.xpath('//td/img').each do |node|
 				counts << node[:width] if node[:src] == "images/gl.jpg"
		end

		res = {}
		names.each_with_index do |n,i|
			res[n.lstrip] = LEVEL[counts[i]]
		end
	rescue
		res = {}
	end

	res
end