X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/7379b4638cd2058aba0067a7f6a09d32b891586a..2ef2d7c876168d6beb606b655470f48ffabc8841:/app/controllers/geocoder_controller.rb diff --git a/app/controllers/geocoder_controller.rb b/app/controllers/geocoder_controller.rb index 4ce31baf4..ced95dce6 100644 --- a/app/controllers/geocoder_controller.rb +++ b/app/controllers/geocoder_controller.rb @@ -1,134 +1,315 @@ class GeocoderController < ApplicationController - layout 'site' - require 'uri' require 'net/http' require 'rexml/document' + before_filter :authorize_web + before_filter :set_locale + def search - 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>.*?.*?]/)[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>.*?]/)[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>.*?.*?]/)[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) end + + render :action => "results" +# rescue Exception => ex +# @error = "Error contacting nominatim.openstreetmap.org: #{ex.to_s}" +# render :action => "error" + end + + def search_geonames + # get query parameters + query = params[:query] + + # create result array + @results = Array.new + + # ask geonames.org + response = fetch_xml("http://api.geonames.org/search?q=#{escape_query(query)}&maxRows=20&username=#{GEONAMES_USERNAME}") + + # parse the response + response.elements.each("geonames/geoname") do |geoname| + lat = geoname.get_text("lat").to_s + lon = geoname.get_text("lng").to_s + name = geoname.get_text("name").to_s + country = geoname.get_text("countryName").to_s + @results.push({:lat => lat, :lon => lon, + :zoom => GEONAMES_ZOOM, + :name => name, + :suffix => ", #{country}"}) + end + + render :action => "results" + rescue Exception => ex + @error = "Error contacting ws.geonames.org: #{ex.to_s}" + render :action => "error" + end + + def description + @sources = Array.new + + @sources.push({ :name => "osm_nominatim" }) + @sources.push({ :name => "geonames" }) end - def results - @place_name = params[:place_name] - res_hash = {} - @res_ary = [] - begin - Net::HTTP.start('ws.geonames.org') do |http| - res = http.get("/search?q=#{URI.escape(@place_name)}&maxRows=10") - xml = REXML::Document.new(res.body) - 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['countrycode'] = n.text } - ele.elements.each("countryName"){ |n| res_hash['countryname'] = 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 - - flash.delete(:notice) - rescue Timeout::Error - flash[:notice] = "Timed out waiting for results from ws.geonames.org" - rescue Exception => ex - flash[:notice] = "Error contacting ws.geonames.org: #{ex.to_s}" + def description_osm_nominatim + # get query parameters + lat = params[:lat] + lon = params[:lon] + zoom = params[:zoom] + + # create result array + @results = Array.new + + # ask nominatim + response = fetch_xml("#{NOMINATIM_URL}reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{request.user_preferred_languages.join(',')}") + + # parse the response + response.elements.each("reversegeocode/result") do |result| + description = result.get_text.to_s + + @results.push({:prefix => "#{description}"}) end + + render :action => "results" + rescue Exception => ex + @error = "Error contacting nominatim.openstreetmap.org: #{ex.to_s}" + render :action => "error" + end + + def description_geonames + # get query parameters + lat = params[:lat] + lon = params[:lon] + + # create result array + @results = Array.new + + # ask geonames.org + response = fetch_xml("http://ws.geonames.org/countrySubdivision?lat=#{lat}&lng=#{lon}") + + # parse the response + response.elements.each("geonames/countrySubdivision") do |geoname| + name = geoname.get_text("adminName1").to_s + country = geoname.get_text("countryName").to_s + @results.push({:prefix => "#{name}, #{country}"}) + end + + render :action => "results" + rescue Exception => ex + @error = "Error contacting ws.geonames.org: #{ex.to_s}" + render :action => "error" + end + +private + + def fetch_text(url) + return Net::HTTP.get(URI.parse(url)) + end + + def fetch_xml(url) + return REXML::Document.new(fetch_text(url)) + end + + def format_distance(distance) + return t("geocoder.distance", :count => distance) + end + + def format_direction(bearing) + return t("geocoder.direction.south_west") if bearing >= 22.5 and bearing < 67.5 + return t("geocoder.direction.south") if bearing >= 67.5 and bearing < 112.5 + return t("geocoder.direction.south_east") if bearing >= 112.5 and bearing < 157.5 + return t("geocoder.direction.east") if bearing >= 157.5 and bearing < 202.5 + return t("geocoder.direction.north_east") if bearing >= 202.5 and bearing < 247.5 + return t("geocoder.direction.north") if bearing >= 247.5 and bearing < 292.5 + return t("geocoder.direction.north_west") if bearing >= 292.5 and bearing < 337.5 + return t("geocoder.direction.west") + end + + def format_name(name) + return name.gsub(/( *\[[^\]]*\])*$/, "") + end + + def count_results(results) + count = 0 + + results.each do |source| + count += source[:results].length if source[:results] + end + + return count + end + + def escape_query(query) + return URI.escape(query, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]", false, 'N')) end end