- @postcode_arr = []
-
- unless params[:query][:postcode].empty?
- postcode = params[:query][:postcode].upcase
- escaped_postcode = postcode.sub(/\s/,'%20')
-
- if postcode.match(/(^\d{5}$)|(^\d{5}-\d{4}$)/)
- # Its a zip code - ask geocoder.us
- # (They have a non commerical use api)
- Net::HTTP.start('rpc.geocoder.us') do |http|
- resp = http.get("/service/csv?zip=#{postcode}")
- if resp.body.match(/couldn't find this zip/)
- redirect_to "/index.html?error=invalid_zip_code"
- return
- end
- data = resp.body.split(/, /) # lat,long,town,state,zip
- lat = data[0]
- lon = data[1]
- redirect_to "/index.html?mlat=#{lat}&mlon=#{lon}&zoom=14"
- return
- end
- elsif postcode.match(/^([A-Z]{1,2}\d+[A-Z]?\s*\d[A-Z]{2})/)
- # It matched our naive UK postcode regexp
- # 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]
- redirect_to "/index.html?mlat=#{lat}&mlon=#{lon}&zoom=14"
- return
- end
- elsif postcode.match(/^[A-Z]\d[A-Z]\s*\d[A-Z]\d/)
- # It's a canadian postcode
- # Ask geocoder.ca (note - they have a per-day limit)
- postcode = postcode.sub(/\s/,'')
- Net::HTTP.start('geocoder.ca') do |http|
- resp = http.get("?geoit=XML&postal=#{postcode}")
- data_lat = resp.body.slice(/latt>.*?</)
- data_lon = resp.body.slice(/longt>.*?</)
- lat = data_lat.split(/[<>]/)[1]
- lon = data_lon.split(/[<>]/)[1]
- redirect_to "/index.html?mlat=#{lat}&mlon=#{lon}&zoom=14"
- return
- end
- elsif postcode.match(/(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW]) [0-9][ABD-HJLNP-UW-Z]{2})
- /)
- #its a UK postcode
- begin
- 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]+/)
- redirect_to "/index.html?mlat=#{lat}&mlon=#{lon}&zoom=14"
- return
- end
- rescue
- redirect_to "/index.html"
- #redirect to somewhere else
- end
- redirect_to "/index.html?mlat=#{lat}&mlon=#{lon}&zoom=14"
- #redirect_to "/index.html?error=unknown_postcode_or_zip"
- elsif
- # Some other postcode / zip code
- # Throw it at geonames, and see if they have any luck with it
- Net::HTTP.start('ws.geonames.org') do |http|
- resp = http.get("/postalCodeSearch?postalcode=#{escaped_postcode}&maxRows=1")
- hits = resp.body.slice(/totalResultsCount>.*?</).split(/[<>]/)[1]
- if hits == "0"
- # Geonames doesn't know, it's probably wrong
- redirect_to "/index.html?error=unknown_postcode_or_zip"
- return
- end
- data_lat = resp.body.slice(/lat>.*?</)
- data_lon = resp.body.slice(/lng>.*?</)
- lat = data_lat.split(/[<>]/)[1]
- lon = data_lon.split(/[<>]/)[1]
- redirect_to "/index.html?mlat=#{lat}&mlon=#{lon}&zoom=14"
- end
+ query = params[:query]
+ results = Array.new
+
+ if query.match(/^\d{5}(-\d{4})?$/)
+ results.push search_us_postcode(query)
+ elsif query.match(/(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW])\s*[0-9][ABD-HJLNP-UW-Z]{2})/i)
+ results.push search_uk_postcode(query)
+ elsif query.match(/[A-Z]\d[A-Z]\s*\d[A-Z]\d/i)
+ results.push search_ca_postcode(query)
+ else
+ results.push search_osm_namefinder(query)
+ results.push search_geonames(query)
+ end
+
+ results_count = count_results(results)
+
+ render :update do |page|
+ if results_count == 1
+ position = results.collect { |s| s[:results] }.compact.flatten[0]
+ page.call "setPosition", position[:lat], position[:lon], position[:zoom]