X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/0d3a9ed9cb47ce3b89ea9eaffbb589f9a9ff6d22..a3eb48385bcf1465339d473c0c1657e075cd507d:/app/controllers/geocoder_controller.rb?ds=sidebyside

diff --git a/app/controllers/geocoder_controller.rb b/app/controllers/geocoder_controller.rb
index 2b03790aa..6053cbb4b 100644
--- a/app/controllers/geocoder_controller.rb
+++ b/app/controllers/geocoder_controller.rb
@@ -1,49 +1,43 @@
+# coding: utf-8
+
 class GeocoderController < ApplicationController
+  require 'cgi'
   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]
-    @sources = Array.new
-
-    @query.sub(/^\s+/, "")
-    @query.sub(/\s+$/, "")
+    normalize_params
 
-    if @query.match(/^[+-]?\d+(\.\d*)?\s*[\s,]\s*[+-]?\d+(\.\d*)?$/)
+    @sources = []
+    if params[:lat] && params[:lon]
       @sources.push "latlon"
-    elsif @query.match(/^\d{5}(-\d{4})?$/)
+      @sources.push "osm_nominatim_reverse"
+      @sources.push "geonames_reverse" if defined?(GEONAMES_USERNAME)
+    elsif params[:query].match(/^\d{5}(-\d{4})?$/)
       @sources.push "us_postcode"
       @sources.push "osm_nominatim"
-    elsif @query.match(/^(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW])\s*[0-9][ABD-HJLNP-UW-Z]{2})$/i)
+    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})$/i)
       @sources.push "uk_postcode"
       @sources.push "osm_nominatim"
-    elsif @query.match(/^[A-Z]\d[A-Z]\s*\d[A-Z]\d$/i)
+    elsif params[: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
+
+    render :layout => map_layout
   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
+    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"
@@ -51,9 +45,9 @@ class GeocoderController < ApplicationController
       @error = "Longitude #{lon} out of range"
       render :action => "error"
     else
-      @results.push({:lat => lat, :lon => lon,
-                     :zoom => POSTCODE_ZOOM,
-                     :name => "#{lat}, #{lon}"})
+      @results = [{:lat => lat, :lon => lon,
+                   :zoom => params[:zoom],
+                   :name => "#{lat}, #{lon}"}]
 
       render :action => "results"
     end
@@ -132,84 +126,6 @@ class GeocoderController < ApplicationController
     render :action => "error"
   end
 
-  def search_osm_namefinder
-    # get query parameters
-    query = params[:query]
-
-    # create result array
-    @results = Array.new
-
-    # ask OSM namefinder
-    response = fetch_xml("http://gazetteer.openstreetmap.org/namefinder/search.xml?find=#{escape_query(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 =  t "geocoder.search_osm_namefinder.prefix", :type => type
-      end
-
-      if place
-        distance = format_distance(place.attributes["approxdistance"].to_i)
-        direction = format_direction(place.attributes["direction"].to_i)
-        placename = format_name(place.attributes["name"].to_s)
-        suffix = t "geocoder.search_osm_namefinder.suffix_place", :distance => distance, :direction => direction, :placename => 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 = t "geocoder.search_osm_namefinder.suffix_suburb", :suffix => suffix, :parentname => parentname
-            else
-              parentdistance = format_distance(parent.attributes["approxdistance"].to_i)
-              parentdirection = format_direction(parent.attributes["direction"].to_i)
-              suffix = t "geocoder.search_osm_namefinder.suffix_parent", :suffix => suffix, :parentdistance => parentdistance, :parentdirection => parentdirection, :parentname => parentname
-            end
-          end
-        end
-      else
-        suffix = ""
-      end
-
-      @results.push({:lat => lat, :lon => lon, :zoom => zoom,
-                     :prefix => prefix, :name => name, :suffix => suffix,
-                     :description => description})
-    end
-
-    render :action => "results"
-  rescue Exception => ex
-    @error = "Error contacting gazetteer.openstreetmap.org: #{ex.to_s}"
-    render :action => "error"
-  end
-
   def search_osm_nominatim
     # get query parameters
     query = params[:query]
@@ -225,20 +141,25 @@ class GeocoderController < ApplicationController
 
     # get objects to excude
     if params[:exclude]
-      exclude = "&exclude_place_ids=#{params[:exclude].join(',')}"
+      exclude = "&exclude_place_ids=#{params[:exclude]}"
     end
 
     # ask nominatim
-    response = fetch_xml("#{NOMINATIM_URL}search?format=xml&q=#{escape_query(query)}#{viewbox}#{exclude}&accept-language=#{request.user_preferred_languages.join(',')}")
+    response = fetch_xml("#{NOMINATIM_URL}search?format=xml&q=#{escape_query(query)}#{viewbox}#{exclude}&accept-language=#{http_accept_language.user_preferred_languages.join(',')}")
+
+    # extract the results from the response
+    results =  response.elements["searchresults"]
+
+    # extract parameters from more_url
+    more_url_params = CGI.parse(URI.parse(results.attributes["more_url"]).query)
 
     # 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"]
+    @more_params = params.merge({
+      :exclude => more_url_params["exclude_place_ids"].first
+    })
 
     # parse the response
     results.elements.each("place") do |place|
@@ -248,14 +169,24 @@ class GeocoderController < ApplicationController
       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
+      if type.empty?
+        prefix_name = ""
+      else
+        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})
-      @more_params[:exclude].push(place.attributes["place_id"].to_s)
+                     :prefix => prefix, :name => name,
+                     :type => object_type, :id => object_id})
     end
 
     render :action => "results"
@@ -268,11 +199,14 @@ class GeocoderController < ApplicationController
     # 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://api.geonames.org/search?q=#{escape_query(query)}&maxRows=20&username=#{GEONAMES_USERNAME}")
+    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|
@@ -292,50 +226,7 @@ class GeocoderController < ApplicationController
     render :action => "error"
   end
 
-  def description
-    @sources = Array.new
-
-    @sources.push({ :name => "osm_nominatim" })
-    @sources.push({ :name => "geonames" })
-  end
-
-  def description_osm_namefinder
-    # get query parameters
-    lat = params[:lat]
-    lon = params[:lon]
-    types = params[:types]
-    max = params[:max]
-
-    # create result array
-    @results = Array.new
-
-    # ask OSM namefinder
-    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|
-      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
-      name = named.attributes["name"].to_s
-      description = named.elements["description"].to_s
-      distance = format_distance(place.attributes["approxdistance"].to_i)
-      direction = format_direction((place.attributes["direction"].to_i - 180) % 360)
-      prefix = t "geocoder.description_osm_namefinder.prefix", :distance => distance, :direction => direction, :type => type
-      @results.push({:lat => lat, :lon => lon, :zoom => zoom,
-                     :prefix => prefix.capitalize, :name => name,
-                     :description => description})
-    end
-
-    render :action => "results"
-  rescue Exception => ex
-    @error = "Error contacting gazetteer.openstreetmap.org: #{ex.to_s}"
-    render :action => "error"
-  end
-
-  def description_osm_nominatim
+  def search_osm_nominatim_reverse
     # get query parameters
     lat = params[:lat]
     lon = params[:lon]
@@ -344,14 +235,21 @@ class GeocoderController < ApplicationController
     # create result array
     @results = Array.new
 
-    # ask OSM namefinder
-    response = fetch_xml("#{NOMINATIM_URL}reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{request.user_preferred_languages.join(',')}")
+    # 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({:prefix => "#{description}"})
+      @results.push({:lat => lat, :lon => lon,
+                     :zoom => zoom,
+                     :name => description,
+                     :type => object_type, :id => object_id})
     end
 
     render :action => "results"
@@ -360,22 +258,28 @@ class GeocoderController < ApplicationController
     render :action => "error"
   end
 
-  def description_geonames
+  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://ws.geonames.org/countrySubdivision?lat=#{lat}&lng=#{lon}")
+    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({:prefix => "#{name}, #{country}"})
+      @results.push({:lat => lat, :lon => lon,
+                     :zoom => GEONAMES_ZOOM,
+                     :name => name,
+                     :suffix => ", #{country}"})
     end
 
     render :action => "results"
@@ -426,4 +330,67 @@ private
   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