require 'net/http'
require 'rexml/document'
+ before_filter :authorize_web
before_filter :set_locale
def search
@sources.push "us_postcode"
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})$/i)
@sources.push "uk_postcode"
+ @sources.push "osm_nominatim"
@sources.push "osm_namefinder"
elsif @query.match(/^[A-Z]\d[A-Z]\s*\d[A-Z]\d$/i)
@sources.push "ca_postcode"
else
+ @sources.push "osm_nominatim"
@sources.push "osm_namefinder"
@sources.push "geonames"
end
data = response.split(/\s*,\s+/) # lat,long,town,state,zip
@results.push({:lat => data[0], :lon => data[1],
:zoom => APP_CONFIG['postcode_zoom'],
- :prefix => "#{data[2]}, #{data[3]}, ",
+ :prefix => "#{data[2]}, #{data[3]},",
:name => data[4]})
end
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
+
+ # create result array
+ @results = Array.new
+
+ # ask nominatim
+ response = fetch_xml("http://nominatim.openstreetmap.org/search?format=xml&q=#{escape_query(query)}#{viewbox}&accept-language=#{request.user_preferred_languages.join(',')}")
+
+ # parse the response
+ response.elements.each("searchresults/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 = t "geocoder.search_osm_nominatim.prefix.#{klass}.#{type}", :default => type.gsub("_", " ").capitalize
+
+ @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})
+ 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]
@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 => "osm_namefinder", :types => "cities", :max => 2 })
@sources.push({ :name => "osm_namefinder", :types => "towns", :max => 4 })
@sources.push({ :name => "osm_namefinder", :types => "places", :max => 10 })
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 = "#{distance} #{direction} of #{type} "
+ 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})
render :action => "error"
end
+ def description_osm_nominatim
+ # get query parameters
+ lat = params[:lat]
+ lon = params[:lon]
+ zoom = params[:zoom]
+
+ # create result array
+ @results = Array.new
+
+ # ask OSM namefinder
+ response = fetch_xml("http://nominatim.openstreetmap.org/reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{request.user_preferred_languages.join(',')}")
+
+ # parse the response
+ response.elements.each("reversegeocode") do |result|
+ description = result.get_text("result").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]