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[rails.git] / app / controllers / geocoder_controller.rb

diff --git a/app/controllers/geocoder_controller.rb b/app/controllers/geocoder_controller.rb
index fc8b3a60bab0d068170a01e600ed771564569fe8..43f276efa020a35cfdbb1719155c4a3f5e61c1fe 100644 (file)
--- a/app/controllers/geocoder_controller.rb
+++ b/app/controllers/geocoder_controller.rb
@@ -13,10 +13,10 @@ class GeocoderController < ApplicationController
     @sources = []
 
     if @params[:lat] && @params[:lon]
     @sources = []
 
     if @params[:lat] && @params[:lon]

-      @sources.push "latlon"
-      @sources.push "osm_nominatim_reverse"
+      @sources.push(:name => "latlon", :url => root_path)
+      @sources.push(:name => "osm_nominatim_reverse", :url => nominatim_reverse_url(:format => "html"))

     elsif @params[:query]
     elsif @params[:query]

-      @sources.push "osm_nominatim"
+      @sources.push(:name => "osm_nominatim", :url => nominatim_url(:format => "html"))

     end
 
     if @sources.empty?
     end
 
     if @sources.empty?


@@ -35,15 +35,15 @@ class GeocoderController < ApplicationController
       @results = []
 
       if lat >= -90 && lat <= 90 && lon >= -180 && lon <= 180
       @results = []
 
       if lat >= -90 && lat <= 90 && lon >= -180 && lon <= 180

-        @results.push(:lat => lat, :lon => lon,
+        @results.push(:lat => params[:lat], :lon => params[:lon],

                       :zoom => params[:zoom],
                       :zoom => params[:zoom],

-                      :name => "#{lat}, #{lon}")
+                      :name => "#{params[:lat]}, #{params[:lon]}")

       end
 
       if lon >= -90 && lon <= 90 && lat >= -180 && lat <= 180
       end
 
       if lon >= -90 && lon <= 90 && lat >= -180 && lat <= 180

-        @results.push(:lat => lon, :lon => lat,
+        @results.push(:lat => params[:lon], :lon => params[:lat],

                       :zoom => params[:zoom],
                       :zoom => params[:zoom],

-                      :name => "#{lon}, #{lat}")
+                      :name => "#{params[:lon]}, #{params[:lat]}")

       end
 
       if @results.empty?
       end
 
       if @results.empty?


@@ -61,9 +61,9 @@ class GeocoderController < ApplicationController
         @error = "Longitude #{lon} out of range"
         render :action => "error"
       else
         @error = "Longitude #{lon} out of range"
         render :action => "error"
       else

-        @results = [{ :lat => lat, :lon => lon,
+        @results = [{ :lat => params[:lat], :lon => params[:lon],

                       :zoom => params[:zoom],
                       :zoom => params[:zoom],

-                      :name => "#{lat}, #{lon}" }]
+                      :name => "#{params[:lat]}, #{params[:lon]}" }]

 
         render :action => "results"
       end
 
         render :action => "results"
       end


@@ -71,27 +71,11 @@ class GeocoderController < ApplicationController
   end
 
   def search_osm_nominatim
   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
-    viewbox = "&viewbox=#{minlon},#{maxlat},#{maxlon},#{minlat}" if minlon && minlat && maxlon && maxlat
-
-    # get objects to excude
-    exclude = "&exclude_place_ids=#{params[:exclude]}" if params[:exclude]
-

     # ask nominatim
     # ask nominatim

-    response = fetch_xml("#{Settings.nominatim_url}search?format=xml&extratags=1&q=#{escape_query(query)}#{viewbox}#{exclude}&accept-language=#{http_accept_language.user_preferred_languages.join(',')}")
+    response = fetch_xml(nominatim_url(:format => "xml"))

 
     # extract the results from the response
 
     # 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)
+    results = response.elements["searchresults"]

 
     # create result array
     @results = []
 
     # create result array
     @results = []


@@ -99,7 +83,7 @@ class GeocoderController < ApplicationController
     # create parameter hash for "more results" link
     @more_params = params
                    .permit(:query, :minlon, :minlat, :maxlon, :maxlat, :exclude)
     # create parameter hash for "more results" link
     @more_params = params
                    .permit(:query, :minlon, :minlat, :maxlon, :maxlat, :exclude)

-                   .merge(:exclude => more_url_params["exclude_place_ids"].first)
+                   .merge(:exclude => results.attributes["exclude_place_ids"])

 
     # parse the response
     results.elements.each("place") do |place|
 
     # parse the response
     results.elements.each("place") do |place|


@@ -141,15 +125,13 @@ class GeocoderController < ApplicationController
 
   def search_osm_nominatim_reverse
     # get query parameters
 
   def search_osm_nominatim_reverse
     # get query parameters

-    lat = params[:lat]
-    lon = params[:lon]

     zoom = params[:zoom]
 
     # create result array
     @results = []
 
     # ask nominatim
     zoom = params[:zoom]
 
     # create result array
     @results = []
 
     # ask nominatim

-    response = fetch_xml("#{Settings.nominatim_url}reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{http_accept_language.user_preferred_languages.join(',')}")
+    response = fetch_xml(nominatim_reverse_url(:format => "xml"))

 
     # parse the response
     response.elements.each("reversegeocode/result") do |result|
 
     # parse the response
     response.elements.each("reversegeocode/result") do |result|


@@ -174,6 +156,34 @@ class GeocoderController < ApplicationController
 
   private
 
 
   private
 

+  def nominatim_url(format: nil)
+    # get query parameters
+    query = params[:query]
+    minlon = params[:minlon]
+    minlat = params[:minlat]
+    maxlon = params[:maxlon]
+    maxlat = params[:maxlat]
+
+    # get view box
+    viewbox = "&viewbox=#{minlon},#{maxlat},#{maxlon},#{minlat}" if minlon && minlat && maxlon && maxlat
+
+    # get objects to excude
+    exclude = "&exclude_place_ids=#{params[:exclude]}" if params[:exclude]
+
+    # build url
+    "#{Settings.nominatim_url}search?format=#{format}&extratags=1&q=#{escape_query(query)}#{viewbox}#{exclude}&accept-language=#{http_accept_language.user_preferred_languages.join(',')}"
+  end
+
+  def nominatim_reverse_url(format: nil)
+    # get query parameters
+    lat = params[:lat]
+    lon = params[:lon]
+    zoom = params[:zoom]
+
+    # build url
+    "#{Settings.nominatim_url}reverse?format=#{format}&lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{http_accept_language.user_preferred_languages.join(',')}"
+  end
+

   def fetch_text(url)
     response = OSM.http_client.get(URI.parse(url))
 
   def fetch_text(url)
     response = OSM.http_client.get(URI.parse(url))
 


@@ -196,61 +206,42 @@ class GeocoderController < ApplicationController
     if query = params[:query]
       query.strip!
 
     if query = params[:query]
       query.strip!
 

-      if latlon = query.match(/^([NS])\s*(\d{1,3}(\.\d*)?)\W*([EW])\s*(\d{1,3}(\.\d*)?)$/).try(:captures) || # [NSEW] decimal degrees
-                  query.match(/^(\d{1,3}(\.\d*)?)\s*([NS])\W*(\d{1,3}(\.\d*)?)\s*([EW])$/).try(:captures)    # decimal degrees [NSEW]
-        params.merge!(nsew_to_decdeg(latlon)).delete(:query)
+      if latlon = query.match(/^(?<ns>[NS])\s*#{dms_regexp('ns')}\W*(?<ew>[EW])\s*#{dms_regexp('ew')}$/) ||
+                  query.match(/^#{dms_regexp('ns')}\s*(?<ns>[NS])\W*#{dms_regexp('ew')}\s*(?<ew>[EW])$/)
+        params.merge!(to_decdeg(latlon.named_captures.compact)).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*)?)?['′]?)?$/).try(:captures) || # [NSEW] degrees, decimal minutes
-                     query.match(/^(\d{1,3})°?(?:\s*(\d{1,3}(\.\d*)?)?['′]?)?\s*([NS])\W*(\d{1,3})°?(?:\s*(\d{1,3}(\.\d*)?)?['′]?)?\s*([EW])$/).try(:captures)    # degrees, decimal minutes [NSEW]
-        params.merge!(ddm_to_decdeg(latlon)).delete(:query)
+      elsif latlon = query.match(%r{^(?<lat>[+-]?\d+(?:\.\d+)?)(?:\s+|\s*[,/]\s*)(?<lon>[+-]?\d+(?:\.\d+)?)$})
+        params.merge!(:lat => latlon["lat"], :lon => latlon["lon"]).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*)?)?["″]?)?$/).try(:captures) || # [NSEW] degrees, minutes, decimal seconds
-                     query.match(/^(\d{1,3})°?\s*(\d{1,2})['′]?(?:\s*(\d{1,3}(\.\d*)?)?["″]?)?\s*([NS])\W*(\d{1,3})°?\s*(\d{1,2})['′]?(?:\s*(\d{1,3}(\.\d*)?)?["″]?)?\s*([EW])$/).try(:captures)    # degrees, minutes, decimal seconds [NSEW]
-        params.merge!(dms_to_decdeg(latlon)).delete(:query)
-
-      elsif latlon = query.match(/^([+-]?\d+(\.\d*)?)(?:\s+|\s*,\s*)([+-]?\d+(\.\d*)?)$/)
-        params.merge!(:lat => latlon[1].to_f, :lon => latlon[3].to_f).delete(:query)
-
-        params[:latlon_digits] = true unless params[:whereami]
+        params[:latlon_digits] = true

       end
     end
 
     params.permit(:query, :lat, :lon, :latlon_digits, :zoom, :minlat, :minlon, :maxlat, :maxlon)
   end
 
       end
     end
 
     params.permit(:query, :lat, :lon, :latlon_digits, :zoom, :minlat, :minlon, :maxlat, :maxlon)
   end
 

-  def nsew_to_decdeg(captures)
-    begin
-      Float(captures[0])
-      lat = captures[2].casecmp("s").zero? ? -captures[0].to_f : captures[0].to_f
-      lon = captures[5].casecmp("w").zero? ? -captures[3].to_f : captures[3].to_f
-    rescue StandardError
-      lat = captures[0].casecmp("s").zero? ? -captures[1].to_f : captures[1].to_f
-      lon = captures[3].casecmp("w").zero? ? -captures[4].to_f : captures[4].to_f
-    end
-    { :lat => lat, :lon => lon }
+  def dms_regexp(name_prefix)
+    /
+      (?: (?<#{name_prefix}d>\d{1,3}(?:\.\d+)?)°? ) |
+      (?: (?<#{name_prefix}d>\d{1,3})°?\s*(?<#{name_prefix}m>\d{1,2}(?:\.\d+)?)['′]? ) |
+      (?: (?<#{name_prefix}d>\d{1,3})°?\s*(?<#{name_prefix}m>\d{1,2})['′]?\s*(?<#{name_prefix}s>\d{1,2}(?:\.\d+)?)["″]? )
+    /x

   end
 
   end
 

-  def ddm_to_decdeg(captures)
-    begin
-      Float(captures[0])
-      lat = captures[3].casecmp("s").zero? ? -(captures[0].to_f + (captures[1].to_f / 60)) : captures[0].to_f + (captures[1].to_f / 60)
-      lon = captures[7].casecmp("w").zero? ? -(captures[4].to_f + (captures[5].to_f / 60)) : captures[4].to_f + (captures[5].to_f / 60)
-    rescue StandardError
-      lat = captures[0].casecmp("s").zero? ? -(captures[1].to_f + (captures[2].to_f / 60)) : captures[1].to_f + (captures[2].to_f / 60)
-      lon = captures[4].casecmp("w").zero? ? -(captures[5].to_f + (captures[6].to_f / 60)) : captures[5].to_f + (captures[6].to_f / 60)
-    end
-    { :lat => lat, :lon => lon }
-  end
+  def to_decdeg(captures)
+    ns = captures.fetch("ns").casecmp?("s") ? -1 : 1
+    nsd = BigDecimal(captures.fetch("nsd", "0"))
+    nsm = BigDecimal(captures.fetch("nsm", "0"))
+    nss = BigDecimal(captures.fetch("nss", "0"))

 
 

-  def dms_to_decdeg(captures)
-    begin
-      Float(captures[0])
-      lat = captures[4].casecmp("s").zero? ? -(captures[0].to_f + ((captures[1].to_f + (captures[2].to_f / 60)) / 60)) : captures[0].to_f + ((captures[1].to_f + (captures[2].to_f / 60)) / 60)
-      lon = captures[9].casecmp("w").zero? ? -(captures[5].to_f + ((captures[6].to_f + (captures[7].to_f / 60)) / 60)) : captures[5].to_f + ((captures[6].to_f + (captures[7].to_f / 60)) / 60)
-    rescue StandardError
-      lat = captures[0].casecmp("s").zero? ? -(captures[1].to_f + ((captures[2].to_f + (captures[3].to_f / 60)) / 60)) : captures[1].to_f + ((captures[2].to_f + (captures[3].to_f / 60)) / 60)
-      lon = captures[5].casecmp("w").zero? ? -(captures[6].to_f + ((captures[7].to_f + (captures[8].to_f / 60)) / 60)) : captures[6].to_f + ((captures[7].to_f + (captures[8].to_f / 60)) / 60)
-    end
-    { :lat => lat, :lon => lon }
+    ew = captures.fetch("ew").casecmp?("w") ? -1 : 1
+    ewd = BigDecimal(captures.fetch("ewd", "0"))
+    ewm = BigDecimal(captures.fetch("ewm", "0"))
+    ews = BigDecimal(captures.fetch("ews", "0"))
+
+    lat = ns * (nsd + (nsm / 60) + (nss / 3600))
+    lon = ew * (ewd + (ewm / 60) + (ews / 3600))
+
+    { :lat => lat.round(6).to_s("F"), :lon => lon.round(6).to_s("F") }

   end
 end
   end
 end