X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/bac37f29d249b94386bc93d2f933f9fef07b1d1c..873c1cb84e2fe475bc4ff566d71929fdcc35787d:/app/controllers/geocoder_controller.rb diff --git a/app/controllers/geocoder_controller.rb b/app/controllers/geocoder_controller.rb index 480dc5419..73422c2f0 100644 --- a/app/controllers/geocoder_controller.rb +++ b/app/controllers/geocoder_controller.rb @@ -1,118 +1,207 @@ +# coding: utf-8 + class GeocoderController < ApplicationController require 'uri' require 'net/http' require 'rexml/document' + before_filter :authorize_web + before_filter :set_locale + before_filter :require_oauth, :only => [:search] + def search - @query = params[:query] - @results = Array.new + normalize_params - if @query.match(/^\d{5}(-\d{4})?$/) - @results.push search_us_postcode(@query) - elsif @query.match(/(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW]) [0-9][ABD-HJLNP-UW-Z]{2})/i) - @results.push search_uk_postcode(@query) - elsif @query.match(/[A-Z]\d[A-Z]\s*\d[A-Z]\d/i) - @results.push search_ca_postcode(@query) + @sources = [] + if params[:lat] && params[:lon] + @sources.push "latlon" + @sources.push "osm_nominatim_reverse" + @sources.push "geonames_reverse" if defined?(GEONAMES_USERNAME) + elsif params[:query].match(/^\d{5}(-\d{4})?$/) + @sources.push "us_postcode" + @sources.push "osm_nominatim" + elsif params[: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})$/i) + @sources.push "uk_postcode" + @sources.push "osm_nominatim" + elsif params[:query].match(/^[A-Z]\d[A-Z]\s*\d[A-Z]\d$/i) + @sources.push "ca_postcode" + @sources.push "osm_nominatim" else - @results.push search_osm_namefinder(@query) - @results.push search_geonames(@query) + @sources.push "osm_nominatim" + @sources.push "geonames" if defined?(GEONAMES_USERNAME) end + + render :layout => map_layout end -private + def search_latlon + lat = params[:lat].to_f + lon = params[:lon].to_f + 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 = [{:lat => lat, :lon => lon, + :zoom => params[:zoom], + :name => "#{lat}, #{lon}"}] - def search_us_postcode(query) - results = Array.new + 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=#{URI.escape(query)}") + 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 => 12, - :description => "#{data[2]}, #{data[3]}, #{data[4]}"}) + @results.push({:lat => data[0], :lon => data[1], + :zoom => POSTCODE_ZOOM, + :prefix => "#{data[2]}, #{data[3]},", + :name => data[4]}) end - return { :source => "Geocoder.us", :url => "http://geocoder.us/", :results => results } + render :action => "results" rescue Exception => ex - return { :source => "Geocoder.us", :url => "http://geocoder.us/", :error => "Error contacting rpc.geocoder.us: #{ex.to_s}" } + @error = "Error contacting rpc.geocoder.us: #{ex.to_s}" + render :action => "error" end - def search_uk_postcode(query) - results = Array.new + 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=#{URI.escape(query)}") + 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 - results.push({:lat => data[3], :lon => data[4], :zoom => 12, - :description => data[2].gsub(/'/, "")}) + postcode = data[2].gsub(/'/, "") + zoom = POSTCODE_ZOOM - postcode.count("#") + @results.push({:lat => data[3], :lon => data[4], :zoom => zoom, + :name => postcode}) end - return { :source => "NPEMap / FreeThePostcode", :url => "http://www.npemap.org.uk/", :results => results } + render :action => "results" rescue Exception => ex - return { :source => "NPEMap / FreeThePostcode", :url => "http://www.npemap.org.uk/", :error => "Error contacting www.npemap.org.uk: #{ex.to_s}" } + @error = "Error contacting www.npemap.org.uk: #{ex.to_s}" + render :action => "error" end - def search_ca_postcode(query) - results = Array.new + 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=#{URI.escape(query)}") + response = fetch_xml("http://geocoder.ca/?geoit=XML&postal=#{escape_query(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, - :description => query.upcase}) + 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 - return { :source => "Geocoder.CA", :url => "http://geocoder.ca/", :results => results } + render :action => "results" rescue Exception => ex - return { :source => "Geocoder.CA", :url => "http://geocoder.ca/", :error => "Error contacting geocoder.ca: #{ex.to_s}" } + @error = "Error contacting geocoder.ca: #{ex.to_s}" + render :action => "error" end - def search_osm_namefinder(query) - results = Array.new + 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=#{http_accept_language.user_preferred_languages.join(',')}") + + # create result array + @results = Array.new - # ask OSM namefinder - response = fetch_xml("http://www.frankieandshadow.com/osm/search.xml?find=#{URI.escape(query)}") + # 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 - 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 - if place - distance = format_distance(place.attributes["approxdistance"].to_i) - direction = format_direction(place.attributes["direction"].to_i) - placename = place.attributes["name"].to_s - results.push({:lat => lat, :lon => lon, :zoom => zoom, - :description => "#{type} #{name}, #{distance} #{direction} of #{placename}"}) + 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(",") + if type.empty? + prefix_name = "" else - results.push({:lat => lat, :lon => lon, :zoom => zoom, - :description => "#{type} #{name}"}) + prefix_name = t "geocoder.search_osm_nominatim.prefix.#{klass}.#{type}", :default => type.gsub("_", " ").capitalize + end + if klass == 'boundary' and type == 'administrative' + rank = (place.attributes["place_rank"].to_i + 1) / 2 + prefix_name = t "geocoder.search_osm_nominatim.admin_levels.level#{rank}", :default => prefix_name end + prefix = t "geocoder.search_osm_nominatim.prefix_format", :name => prefix_name + object_type = place.attributes["osm_type"] + object_id = place.attributes["osm_id"] + + @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, + :type => object_type, :id => object_id}) + @more_params[:exclude].push(place.attributes["place_id"].to_s) end - return { :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :results => results } - rescue Exception => ex - return { :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :error => "Error contacting www.frankieandshadow.com: #{ex.to_s}" } + render :action => "results" +# rescue Exception => ex +# @error = "Error contacting nominatim.openstreetmap.org: #{ex.to_s}" +# render :action => "error" end - def search_geonames(query) - results = Array.new + def search_geonames + # get query parameters + query = params[:query] + + # get preferred language + lang = I18n.locale.to_s.split("-").first + + # create result array + @results = Array.new # ask geonames.org - response = fetch_xml("http://ws.geonames.org/search?q=#{URI.escape(query)}&maxRows=20") + response = fetch_xml("http://api.geonames.org/search?q=#{escape_query(query)}&lang=#{lang}&maxRows=20&username=#{GEONAMES_USERNAME}") # parse the response response.elements.each("geonames/geoname") do |geoname| @@ -120,15 +209,82 @@ private 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 => 12, - :description => "#{name}, #{country}"}) + @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 search_osm_nominatim_reverse + # 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=#{http_accept_language.user_preferred_languages.join(',')}") + + # parse the response + response.elements.each("reversegeocode/result") do |result| + lat = result.attributes["lat"].to_s + lon = result.attributes["lon"].to_s + object_type = result.attributes["osm_type"] + object_id = result.attributes["osm_id"] + description = result.get_text.to_s + + @results.push({:lat => lat, :lon => lon, + :zoom => zoom, + :name => description, + :type => object_type, :id => object_id}) end - return { :source => "GeoNames", :url => "http://www.geonames.org/", :results => results } + render :action => "results" rescue Exception => ex - return { :source => "GeoNames", :url => "http://www.geonames.org/", :error => "Error contacting ws.geonames.org: #{ex.to_s}" } + @error = "Error contacting nominatim.openstreetmap.org: #{ex.to_s}" + render :action => "error" end + def search_geonames_reverse + # get query parameters + lat = params[:lat] + lon = params[:lon] + + # get preferred language + lang = I18n.locale.to_s.split("-").first + + # create result array + @results = Array.new + + # ask geonames.org + response = fetch_xml("http://api.geonames.org/countrySubdivision?lat=#{lat}&lng=#{lon}&lang=#{lang}&username=#{GEONAMES_USERNAME}") + + # 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({: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 + +private + def fetch_text(url) return Net::HTTP.get(URI.parse(url)) end @@ -138,18 +294,98 @@ private end def format_distance(distance) - return "less than 1km" if distance == 0 - return "about #{distance}km" + return t("geocoder.distance", :count => distance) end def format_direction(bearing) - return "south-west" if bearing >= 22.5 and bearing < 67.5 - return "south" if bearing >= 67.5 and bearing < 112.5 - return "south-east" if bearing >= 112.5 and bearing < 157.5 - return "east" if bearing >= 157.5 and bearing < 202.5 - return "north-east" if bearing >= 202.5 and bearing < 247.5 - return "north" if bearing >= 247.5 and bearing < 292.5 - return "north-west" if bearing >= 292.5 and bearing < 337.5 - return "west" + 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(/( *\[[^\]]*\])*$/, "") + end + + def count_results(results) + count = 0 + + results.each do |source| + count += source[:results].length if source[:results] + end + + return count end + + def escape_query(query) + return URI.escape(query, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]", false, 'N')) + end + + def normalize_params + query = params[:query] + return unless query + + query.strip! + + if latlon = query.match(/^([NS])\s*(\d{1,3}(\.\d*)?)\W*([EW])\s*(\d{1,3}(\.\d*)?)$/).try(:captures) # [NSEW] decimal degrees + params.merge!(nsew_to_decdeg(latlon)).delete(:query) + elsif latlon = query.match(/^(\d{1,3}(\.\d*)?)\s*([NS])\W*(\d{1,3}(\.\d*)?)\s*([EW])$/).try(:captures) # decimal degrees [NSEW] + params.merge!(nsew_to_decdeg(latlon)).delete(:query) + + elsif latlon = query.match(/^([NS])\s*(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?\W*([EW])\s*(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?$/).try(:captures) # [NSEW] degrees, decimal minutes + params.merge!(ddm_to_decdeg(latlon)).delete(:query) + elsif latlon = query.match(/^(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?\s*([NS])\W*(\d{1,3})°?\s*(\d{1,3}(\.\d*)?)?['′]?\s*([EW])$/).try(:captures) # degrees, decimal minutes [NSEW] + params.merge!(ddm_to_decdeg(latlon)).delete(:query) + + elsif latlon = query.match(/^([NS])\s*(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]?\W*([EW])\s*(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]?$/).try(:captures) # [NSEW] degrees, minutes, decimal seconds + params.merge!(dms_to_decdeg(latlon)).delete(:query) + elsif latlon = query.match(/^(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]\s*([NS])\W*(\d{1,3})°?\s*(\d{1,2})['′]?\s*(\d{1,3}(\.\d*)?)?["″]?\s*([EW])$/).try(:captures) # degrees, minutes, decimal seconds [NSEW] + params.merge!(dms_to_decdeg(latlon)).delete(:query) + + elsif latlon = query.match(/^\s*([+-]?\d+(\.\d*)?)\s*[\s,]\s*([+-]?\d+(\.\d*)?)\s*$/) + params.merge!({:lat => latlon[1].to_f, :lon => latlon[3].to_f}).delete(:query) + end + end + + def nsew_to_decdeg(captures) + begin + Float(captures[0]) + captures[2].downcase != 's' ? lat = captures[0].to_f : lat = -(captures[0].to_f) + captures[5].downcase != 'w' ? lon = captures[3].to_f : lon = -(captures[3].to_f) + rescue + captures[0].downcase != 's' ? lat = captures[1].to_f : lat = -(captures[1].to_f) + captures[3].downcase != 'w' ? lon = captures[4].to_f : lon = -(captures[4].to_f) + end + {:lat => lat, :lon => lon} + end + + def ddm_to_decdeg(captures) + begin + Float(captures[0]) + captures[3].downcase != 's' ? lat = captures[0].to_f + captures[1].to_f/60 : lat = -(captures[0].to_f + captures[1].to_f/60) + captures[7].downcase != 'w' ? lon = captures[4].to_f + captures[5].to_f/60 : lon = -(captures[4].to_f + captures[5].to_f/60) + rescue + captures[0].downcase != 's' ? lat = captures[1].to_f + captures[2].to_f/60 : lat = -(captures[1].to_f + captures[2].to_f/60) + captures[4].downcase != 'w' ? lon = captures[5].to_f + captures[6].to_f/60 : lon = -(captures[5].to_f + captures[6].to_f/60) + end + {:lat => lat, :lon => lon} + end + + def dms_to_decdeg(captures) + begin + Float(captures[0]) + captures[4].downcase != 's' ? lat = captures[0].to_f + (captures[1].to_f + captures[2].to_f/60)/60 : lat = -(captures[0].to_f + (captures[1].to_f + captures[2].to_f/60)/60) + captures[9].downcase != 'w' ? lon = captures[5].to_f + (captures[6].to_f + captures[7].to_f/60)/60 : lon = -(captures[5].to_f + (captures[6].to_f + captures[7].to_f/60)/60) + rescue + captures[0].downcase != 's' ? lat = captures[1].to_f + (captures[2].to_f + captures[3].to_f/60)/60 : lat = -(captures[1].to_f + (captures[2].to_f + captures[3].to_f/60)/60) + captures[5].downcase != 'w' ? lon = captures[6].to_f + (captures[7].to_f + captures[8].to_f/60)/60 : lon = -(captures[6].to_f + (captures[7].to_f + captures[8].to_f/60)/60) + end + {:lat => lat, :lon => lon} + end + end