- if params[:postcode] and not params[:postcode].empty?
- check_postcode(params[:postcode])
- elsif params[:query][:postcode] and not params[:query][:postcode].empty?
- check_postcode(params[:query][:postcode])
- elsif params[:query][:place_name]
- redirect_to :controller => 'geocoder', :action => 'results', :params => {:place_name => params[:query][:place_name]}
- end
- end
-
- def check_postcode(p)
-
- @postcode_arr = []
- postcode = p.upcase
- escaped_postcode = postcode.sub(/\s/,'%20')
-
- begin
- 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 :controller => params[:next_controller], :action => params[:next_action], :error => "invalid_zip_code"
- return
- end
- data = resp.body.split(/, /) # lat,long,town,state,zip
- lat = data[0]
- lon = data[1]
- redirect_to :controller => params[:next_controller], :action => params[:next_action], :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 :controller => params[:next_controller], :action => params[:next_action], :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 :controller => params[:next_controller], :action => params[:next_action], :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 :controller => params[:next_controller], :action => params[:next_action], :mlat => lat, :mlon => lon, :zoom => 14
- return
- end
- rescue
- redirect_to :controller => params[:next_controller], :action => params[:next_action], :error => "invalid_postcode"
- #redirect to somewhere else
- end
- 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 :controller => params[:next_controller], :action => params[:next_action], :error => "invalid_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 :controller => params[:next_controller], :action => params[:next_action], :mlat => lat, :mlon => lon, :zoom => 14
- end
- else
- # Some other postcode / zip file
- redirect_to :controller => params[:next_controller], :action => params[:next_action], :error => "invalid_postcode_or_zip"
- return
- end
- rescue
- #Its likely that an api is down
- redirect_to :controller => params[:next_controller], :action => params[:next_action], :error => "api_down"
+ @query = params[:query]
+ @sources = Array.new
+
+ @query.sub(/^\s+/, "")
+ @query.sub(/\s+$/, "")
+
+ if @query.match(/^[+-]?\d+(\.\d*)?\s*[\s,]\s*[+-]?\d+(\.\d*)?$/)
+ @sources.push "latlon"
+ elsif @query.match(/^\d{5}(-\d{4})?$/)
+ @sources.push "us_postcode"
+ @sources.push "osm_nominatim"
+ elsif @query.match(/^(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW])\s*[0-9][ABD-HJLNP-UW-Z]{2})$/i)
+ @sources.push "uk_postcode"
+ @sources.push "osm_nominatim"
+ elsif @query.match(/^[A-Z]\d[A-Z]\s*\d[A-Z]\d$/i)
+ @sources.push "ca_postcode"
+ @sources.push "osm_nominatim"
+ else
+ @sources.push "osm_nominatim"
+ @sources.push "geonames" if defined?(GEONAMES_USERNAME)
+ end
+ end
+
+ def search_latlon
+ # get query parameters
+ query = params[:query]
+
+ # create result array
+ @results = Array.new
+
+ # decode the location
+ if m = query.match(/^\s*([+-]?\d+(\.\d*)?)\s*[\s,]\s*([+-]?\d+(\.\d*)?)\s*$/)
+ lat = m[1].to_f
+ lon = m[3].to_f
+ end
+
+ # generate results
+ if lat < -90 or lat > 90
+ @error = "Latitude #{lat} out of range"
+ render :action => "error"
+ elsif lon < -180 or lon > 180
+ @error = "Longitude #{lon} out of range"
+ render :action => "error"
+ else
+ @results.push({:lat => lat, :lon => lon,
+ :zoom => POSTCODE_ZOOM,
+ :name => "#{lat}, #{lon}"})
+
+ render :action => "results"
+ end
+ end
+
+ def search_us_postcode
+ # get query parameters
+ query = params[:query]
+
+ # create result array
+ @results = Array.new
+
+ # ask geocoder.us (they have a non-commercial use api)
+ response = fetch_text("http://rpc.geocoder.us/service/csv?zip=#{escape_query(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 => POSTCODE_ZOOM,
+ :prefix => "#{data[2]}, #{data[3]},",
+ :name => data[4]})
+ end
+
+ render :action => "results"
+ rescue Exception => ex
+ @error = "Error contacting rpc.geocoder.us: #{ex.to_s}"
+ render :action => "error"
+ end
+
+ def search_uk_postcode
+ # get query parameters
+ query = params[:query]
+
+ # create result array
+ @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=#{escape_query(query)}")
+
+ # parse the response
+ unless response.match(/Error/)
+ dataline = response.split(/\n/)[1]
+ data = dataline.split(/,/) # easting,northing,postcode,lat,long
+ postcode = data[2].gsub(/'/, "")
+ zoom = POSTCODE_ZOOM - postcode.count("#")
+ @results.push({:lat => data[3], :lon => data[4], :zoom => zoom,
+ :name => postcode})
+ end
+
+ render :action => "results"
+ rescue Exception => ex
+ @error = "Error contacting www.npemap.org.uk: #{ex.to_s}"
+ render :action => "error"
+ end
+
+ def search_ca_postcode
+ # get query parameters
+ query = params[:query]
+ @results = Array.new
+
+ # ask geocoder.ca (note - they have a per-day limit)
+ response = fetch_xml("http://geocoder.ca/?geoit=XML&postal=#{escape_query(query)}")
+
+ # parse the response
+ if response.get_elements("geodata/error").empty?
+ @results.push({:lat => response.get_text("geodata/latt").to_s,
+ :lon => response.get_text("geodata/longt").to_s,
+ :zoom => POSTCODE_ZOOM,
+ :name => query.upcase})
+ end
+
+ render :action => "results"
+ rescue Exception => ex
+ @error = "Error contacting geocoder.ca: #{ex.to_s}"
+ render :action => "error"
+ end
+
+ def search_osm_nominatim
+ # get query parameters
+ query = params[:query]
+ minlon = params[:minlon]
+ minlat = params[:minlat]
+ maxlon = params[:maxlon]
+ maxlat = params[:maxlat]
+
+ # get view box
+ if minlon && minlat && maxlon && maxlat
+ viewbox = "&viewbox=#{minlon},#{maxlat},#{maxlon},#{minlat}"
+ end
+
+ # get objects to excude
+ if params[:exclude]
+ exclude = "&exclude_place_ids=#{params[:exclude].join(',')}"
+ end
+
+ # ask nominatim
+ response = fetch_xml("#{NOMINATIM_URL}search?format=xml&q=#{escape_query(query)}#{viewbox}#{exclude}&accept-language=#{request.user_preferred_languages.join(',')}")
+
+ # create result array
+ @results = Array.new
+
+ # create parameter hash for "more results" link
+ @more_params = params.reverse_merge({ :exclude => [] })
+
+ # extract the results from the response
+ results = response.elements["searchresults"]
+
+ # parse the response
+ results.elements.each("place") do |place|
+ lat = place.attributes["lat"].to_s
+ lon = place.attributes["lon"].to_s
+ klass = place.attributes["class"].to_s
+ type = place.attributes["type"].to_s
+ name = place.attributes["display_name"].to_s
+ min_lat,max_lat,min_lon,max_lon = place.attributes["boundingbox"].to_s.split(",")
+ prefix_name = t "geocoder.search_osm_nominatim.prefix.#{klass}.#{type}", :default => type.gsub("_", " ").capitalize
+ prefix = t "geocoder.search_osm_nominatim.prefix_format", :name => prefix_name
+
+ @results.push({:lat => lat, :lon => lon,
+ :min_lat => min_lat, :max_lat => max_lat,
+ :min_lon => min_lon, :max_lon => max_lon,
+ :prefix => prefix, :name => name})
+ @more_params[:exclude].push(place.attributes["place_id"].to_s)
projects / rails.git / blobdiff