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@werebus
Last active July 11, 2018 18:47
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#!/usr/bin/env ruby
require 'json'
require 'net/http'
require 'nokogiri'
require 'pry'
module Avail
def self.url(*path_components)
uri_array = ['https://bustracker.pvta.com/InfoPoint'] + path_components
URI(uri_array.join('/'))
end
def self.json_get(uri)
JSON.parse(Net::HTTP.get uri)
end
def self.kml_get(uri)
Nokogiri::XML(Net::HTTP.get uri)
end
def self.routes
json_get(url %w[rest Routes GetAllRoutes])
end
def self.kml_for(route)
kml_get(url 'Resources', 'Traces', route['RouteTraceFilename'])
end
def self.kml_color(doc)
doc.css('#routestyle color').text
end
def self.color_difference(html, kml)
hrg, hb = html.hex.divmod 256
hr, hg = hrg.divmod 256
kabg, kr = kml.hex.divmod 256
kab, kg = kabg.divmod 256
kb = kab % 256
Math.sqrt((hr - kr)**2 + (hg - kg)**2 + (hb - kb)**2)
end
end
Avail.routes.each do |route|
route_color = route['Color'].to_s.upcase
next if route_color == ''
kml_color = Avail.kml_color(Avail.kml_for route).upcase
#puts route['RouteAbbreviation'], route_color, Avail.kml_color(Avail.kml_for(route))
r, g, b = route_color[0,2], route_color[2,2], route_color[4,2]
unless kml_color =~ /[0-9A-F]{2}#{b+g+r}/
puts ["Route: #{route['RouteAbbreviation']}",
"Color: #{route_color}",
"KML Color: #{kml_color}",
"Difference: #{Avail.color_difference(route_color, kml_color)}"].join(', ')
end
end
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