X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/e376f3c00980a8026445c21d653fa5119f23a72a..2ed84e26cdeaaa20b8f607624d65b7891fcf1fed:/app/controllers/geocoder_controller.rb diff --git a/app/controllers/geocoder_controller.rb b/app/controllers/geocoder_controller.rb index 4ed94b649..531cce422 100644 --- a/app/controllers/geocoder_controller.rb +++ b/app/controllers/geocoder_controller.rb @@ -3,6 +3,9 @@ class GeocoderController < ApplicationController require 'net/http' require 'rexml/document' + POSTCODE_ZOOM = 15 + GEONAMES_ZOOM = 12 + def search query = params[:query] results = Array.new @@ -11,6 +14,7 @@ class GeocoderController < ApplicationController 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) + results.push search_osm_namefinder(query) elsif query.match(/[A-Z]\d[A-Z]\s*\d[A-Z]\d/i) results.push search_ca_postcode(query) else @@ -21,13 +25,13 @@ class GeocoderController < ApplicationController results_count = count_results(results) render :update do |page| - page.replace_html :search_results_content, :partial => 'results', :object => results + page.replace_html :sidebar_content, :partial => 'results', :object => results if results_count == 1 position = results.collect { |s| s[:results] }.compact.flatten[0] page.call "setPosition", position[:lat], position[:lon], position[:zoom] else - page.call "openSearchResults" + page.call "openSidebar" end end end @@ -44,8 +48,8 @@ class GeocoderController < ApplicationController results.push description_geonames(lat, lon) render :update do |page| - page.replace_html :search_results_content, :partial => 'results', :object => results - page.call "openSearchResults" + page.replace_html :sidebar_content, :partial => 'results', :object => results + page.call "openSidebar" end end @@ -55,12 +59,12 @@ private 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, + results.push({:lat => data[0], :lon => data[1], :zoom => POSTCODE_ZOOM, :prefix => "#{data[2]}, #{data[3]}, ", :name => data[4]}) end @@ -74,14 +78,16 @@ private 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, - :name => 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 } @@ -93,13 +99,13 @@ private 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") + 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 => 12, + :zoom => POSTCODE_ZOOM, :name => query.upcase}) end @@ -112,7 +118,7 @@ private results = Array.new # ask OSM namefinder - response = fetch_xml("http://www.frankieandshadow.com/osm/search.xml?find=#{URI.escape(query)}") + response = fetch_xml("http://gazetteer.openstreetmap.org/namefinder/search.xml?find=#{escape_query(query)}") # parse the response response.elements.each("searchresults/named") do |named| @@ -123,35 +129,69 @@ private 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 + placename = format_name(place.attributes["name"].to_s) suffix = ", #{distance} #{direction} of #{placename}" + + if place.attributes["rank"].to_i <= 30 + parent = nil + parentrank = 0 + parentscore = 0 + + place.elements.each("nearestplaces/named") do |nearest| + nearestrank = nearest.attributes["rank"].to_i + nearestscore = nearestrank / nearest.attributes["distance"].to_f + + if nearestrank > 30 and + ( nearestscore > parentscore or + ( nearestscore == parentscore and nearestrank > parentrank ) ) + parent = nearest + parentrank = nearestrank + parentscore = nearestscore + end + end + + if parent + parentname = format_name(parent.attributes["name"].to_s) + + if place.attributes["info"].to_s == "suburb" + suffix = "#{suffix}, #{parentname}" + else + parentdistance = format_distance(parent.attributes["approxdistance"].to_i) + parentdirection = format_direction(parent.attributes["direction"].to_i) + suffix = "#{suffix} (#{parentdistance} #{parentdirection} of #{parentname})" + end + end + end else suffix = "" end + results.push({:lat => lat, :lon => lon, :zoom => zoom, :prefix => prefix, :name => name, :suffix => suffix, :description => description}) end - return { :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :results => results } + return { :source => "OpenStreetMap Namefinder", :url => "http://gazetteer.openstreetmap.org/namefinder/", :results => results } rescue Exception => ex - return { :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :error => "Error contacting www.frankieandshadow.com: #{ex.to_s}" } + return { :source => "OpenStreetMap Namefinder", :url => "http://gazetteer.openstreetmap.org/namefinder/", :error => "Error contacting gazetteer.openstreetmap.org: #{ex.to_s}" } end def search_geonames(query) results = Array.new # ask geonames.org - response = fetch_xml("http://ws.geonames.org/search?q=#{URI.escape(query)}&maxRows=20") + response = fetch_xml("http://ws.geonames.org/search?q=#{escape_query(query)}&maxRows=20") # parse the response response.elements.each("geonames/geoname") do |geoname| @@ -159,7 +199,7 @@ 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, + results.push({:lat => lat, :lon => lon, :zoom => GEONAMES_ZOOM, :name => name, :suffix => ", #{country}"}) end @@ -173,7 +213,7 @@ private results = Array.new # ask OSM namefinder - response = fetch_xml("http://www.frankieandshadow.com/osm/search.xml?find=#{types}+near+#{lat},#{lon}&max=#{max}") + response = fetch_xml("http://gazetteer.openstreetmap.org/namefinder/search.xml?find=#{types}+near+#{lat},#{lon}&max=#{max}") # parse the response response.elements.each("searchresults/named") do |named| @@ -185,16 +225,16 @@ private name = named.attributes["name"].to_s description = named.elements["description"].to_s distance = format_distance(place.attributes["approxdistance"].to_i) - direction = format_direction(360 - place.attributes["direction"].to_i) + direction = format_direction((place.attributes["direction"].to_i - 180) % 360) prefix = "#{distance} #{direction} of #{type} " results.push({:lat => lat, :lon => lon, :zoom => zoom, :prefix => prefix.capitalize, :name => name, :description => description}) end - return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :results => results } + return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://gazetteer.openstreetmap.org/namefinder/", :results => results } rescue Exception => ex - return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :error => "Error contacting www.frankieandshadow.com: #{ex.to_s}" } + return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://gazetteer.openstreetmap.org/namefinder/", :error => "Error contacting gazetteer.openstreetmap.org: #{ex.to_s}" } end def description_geonames(lat, lon) @@ -212,7 +252,7 @@ private return { :type => "Location", :source => "GeoNames", :url => "http://www.geonames.org/", :results => results } rescue Exception => ex - return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :error => "Error contacting www.frankieandshadow.com: #{ex.to_s}" } + return { :type => "Location", :source => "GeoNames", :url => "http://www.geonames.org/", :error => "Error contacting ws.geonames.org: #{ex.to_s}" } end def fetch_text(url) @@ -239,6 +279,10 @@ private return "west" end + def format_name(name) + return name.gsub(/( *\[[^\]]*\])*$/, "") + end + def count_results(results) count = 0 @@ -248,4 +292,8 @@ private return count end + + def escape_query(query) + return URI.escape(query, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]", false, 'N')) + end end