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Update the postcode code to do a npemap lookup, rather than a FTP one

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This commit is contained in:
Nick Burch 2007-04-24 09:16:15 +00:00
parent bf2e2c7140
commit 1cf9e2ed19
1 changed files with 14 additions and 6 deletions
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20
app/controllers/geocoder_controller.rb
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@ -11,15 +11,23 @@ class GeocoderController < ApplicationController
if params[:query][:postcode]
postcode = params[:query][:postcode]
escaped_postcode = postcode.sub(/\s/,'%20')
if postcode.match(/(^\d{5}$)|(^\d{5}-\d{4}$)/)
#its a zip code - do something
else
Net::HTTP.start('www.freethepostcode.org') do |http|
resp = http.get("/geocode?postcode=#{postcode}")
lat = resp.body.scan(/[4-6][0-9]\.?[0-9]+/)
lon = resp.body.scan(/[-+][0-9]\.?[0-9]+/)
@postcode_array = [lat, lon]
redirect_to "/index.html?lat=#{@postcode_array[0]}&lon=#{@postcode_array[1]}&zoom=14"
# Assume it's a UK postcode.
# Fairly naive regexp is: \w{1,2}\d+\w?\s?\d\w\w
# Ask npemap to do a combined npemap + freethepostcode search
Net::HTTP.start('www.npemap.org.uk') do |http|
resp = http.get("/cgi/geocoder.fcgi?format=text&postcode=#{escaped_postcode}")
dataline = resp.body.split(/\n/)[1]
data = dataline.split(/,/) # easting,northing,postcode,lat,long
lat = data[3]
lon = data[4]
$stderr.print postcode
$stderr.print dataline
redirect_to "/index.html?lat=#{lat}&lon=#{lon}&zoom=14"
end
end
else