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updated geocoder

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This commit is contained in:
Nick Black 2007-04-14 15:58:12 +00:00
parent 12f9bedbf5
commit 529279d227
1 changed files with 38 additions and 24 deletions
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52
app/controllers/geocoder_controller.rb
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@ -1,38 +1,52 @@
class GeocoderController < ApplicationController
layout 'site'
require 'net/http'
require 'rexml/document'
before_filter :authorize_web
before_filter :require_user
def search
@res_hash = {}
res_hash = {}
@postcode_arr = []
@res_ary = []
if params[:query][:postcode] != ""
postcode = params[:query][:postcode]
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"
end
end
else
if params[:query][:place_name] != nil or ""
place_name = params[:query][:place_name]
Net::HTTP.start('ws.geonames.org') do |http|
res = http.get("/search?q=#{place_name}&maxRows=10")
xml = REXML::Document.new(res.body)
xml.elements.each("/geonames/geoname") do |ele|
ele.elements.each("name"){ |n| @res_hash['name'] = n.text }
ele.elements.each("countryCode"){ |n| @res_hash['country'] = n.text }
ele.elements.each("lat"){ |n| @res_hash['lat'] = n.text }
ele.elements.each("lng"){ |n| @res_hash['lon']= n.text }
xml.elements.each("geonames/geoname") do |ele|
res_hash = {}
ele.elements.each("name"){ |n| res_hash['name'] = n.text }
ele.elements.each("countryCode"){ |n| res_hash['country_code'] = n.text }
ele.elements.each("countryNode"){ |n| res_hash['country_name'] = n.text }
ele.elements.each("lat"){ |n| res_hash['lat'] = n.text }
ele.elements.each("lng"){ |n| res_hash['lon']= n.text }
@res_ary << res_hash
end
end
end
redirect_to :controller => 'geocoder', :action => 'results'
end
end
def result
if params[:query][:postcode]
postcode = params[:query][:postcode]
Net::HTTP.start('www.freethepostcode.org') do |http|
unless resp.code ~ /^2*/
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]
else
end
redirect_to "/index.html?lat=#{@postcode_array[0]}&lon=#{@postcode_array[1]}&zoom=14"
end
end
end