- @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?lat=#{lat}&lon=#{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?lat=#{lat}&lon=#{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?lat=#{lat}&lon=#{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?lat=#{lat}&lon=#{lon}&zoom=14"
- return
- end
- rescue
- redirect_to "/index.html"
- #redirect to somewhere else
- end
- redirect_to "/index.html?lat=#{lat}&lon=#{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?lat=#{lat}&lon=#{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
+ end
+
+private
+
+ def search_us_postcode(query)
+ results = Array.new
+
+ # ask geocoder.us (they have a non-commercial use api)
+ response = fetch_text("http://rpc.geocoder.us/service/csv?zip=#{URI.escape(query)}")
+
+ # parse the response
+ unless response.match(/couldn't find this zip/)
+ data = response.split(/\s*,\s+/) # lat,long,town,state,zip
+ results.push({:lat => data[0], :lon => data[1], :zoom => 12,
+ :prefix => "#{data[2]}, #{data[3]}, ",
+ :name => data[4]})
+ end
+
+ return { :source => "Geocoder.us", :url => "http://geocoder.us/", :results => results }
+ rescue Exception => ex
+ return { :source => "Geocoder.us", :url => "http://geocoder.us/", :error => "Error contacting rpc.geocoder.us: #{ex.to_s}" }
+ end
+
+ def search_uk_postcode(query)
+ results = Array.new
+
+ # ask npemap.org.uk to do a combined npemap + freethepostcode search
+ response = fetch_text("http://www.npemap.org.uk/cgi/geocoder.fcgi?format=text&postcode=#{URI.escape(query)}")
+
+ # parse the response
+ unless response.match(/Error/)
+ dataline = response.split(/\n/)[1]
+ data = dataline.split(/,/) # easting,northing,postcode,lat,long
+ results.push({:lat => data[3], :lon => data[4], :zoom => 12,
+ :name => data[2].gsub(/'/, "")})
+ end
+
+ return { :source => "NPEMap / FreeThePostcode", :url => "http://www.npemap.org.uk/", :results => results }
+ rescue Exception => ex
+ return { :source => "NPEMap / FreeThePostcode", :url => "http://www.npemap.org.uk/", :error => "Error contacting www.npemap.org.uk: #{ex.to_s}" }
+ end
+
+ def search_ca_postcode(query)
+ results = Array.new
+
+ # ask geocoder.ca (note - they have a per-day limit)
+ response = fetch_xml("http://geocoder.ca/?geoit=XML&postal=#{URI.escape(query)}")
+
+ # parse the response
+ unless response.get_elements("geodata/error")
+ results.push({:lat => response.get_text("geodata/latt").to_s,
+ :lon => response.get_text("geodata/longt").to_s,
+ :zoom => 12,
+ :name => query.upcase})
+ end
+
+ return { :source => "Geocoder.CA", :url => "http://geocoder.ca/", :results => results }
+ rescue Exception => ex
+ return { :source => "Geocoder.CA", :url => "http://geocoder.ca/", :error => "Error contacting geocoder.ca: #{ex.to_s}" }
+ end
+
+ def search_osm_namefinder(query)
+ results = Array.new
+
+ # ask OSM namefinder
+ response = fetch_xml("http://www.frankieandshadow.com/osm/search.xml?find=#{URI.escape(query)}")
+
+ # parse the response
+ response.elements.each("searchresults/named") do |named|
+ lat = named.attributes["lat"].to_s
+ lon = named.attributes["lon"].to_s
+ zoom = named.attributes["zoom"].to_s
+ place = named.elements["place/named"] || named.elements["nearestplaces/named"]
+ type = named.attributes["info"].to_s.capitalize
+ name = named.attributes["name"].to_s
+ description = named.elements["description"].to_s
+ if name.empty?
+ prefix = ""
+ name = type
+ else
+ prefix = "#{type} "
+ end
+ if place
+ distance = format_distance(place.attributes["approxdistance"].to_i)
+ direction = format_direction(place.attributes["direction"].to_i)
+ placename = place.attributes["name"].to_s
+ suffix = ", #{distance} #{direction} of #{placename}"
projects / rails.git / blobdiff