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