# coding: utf-8
class GeocoderController < ApplicationController
- require 'uri'
- require 'net/http'
- require 'rexml/document'
+ require "cgi"
+ require "uri"
+ require "rexml/document"
- before_filter :authorize_web
- before_filter :set_locale
+ before_action :authorize_web
+ before_action :set_locale
+ before_action :require_oauth, :only => [:search]
def search
normalize_params
@sources = []
+
if params[:lat] && params[:lon]
@sources.push "latlon"
@sources.push "osm_nominatim_reverse"
- @sources.push "geonames_reverse"
- 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$/i)
- @sources.push "ca_postcode"
- @sources.push "osm_nominatim"
+ @sources.push "geonames_reverse" if defined?(GEONAMES_USERNAME)
+ elsif params[:query]
+ if params[:query] =~ /^\d{5}(-\d{4})?$/
+ @sources.push "us_postcode"
+ @sources.push "osm_nominatim"
+ elsif params[:query] =~ /^(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})$/i
+ @sources.push "uk_postcode"
+ @sources.push "osm_nominatim"
+ elsif params[:query] =~ /^[A-Z]\d[A-Z]\s*\d[A-Z]\d$/i
+ @sources.push "ca_postcode"
+ @sources.push "osm_nominatim"
+ else
+ @sources.push "osm_nominatim"
+ @sources.push "geonames" if defined?(GEONAMES_USERNAME)
+ end
+ end
+
+ if @sources.empty?
+ render :text => "", :status => :bad_request
else
- @sources.push "osm_nominatim"
- @sources.push "geonames" if defined?(GEONAMES_USERNAME)
+ render :layout => map_layout
end
end
def search_latlon
lat = params[:lat].to_f
lon = params[:lon].to_f
- if lat < -90 or lat > 90
+ if lat < -90 || lat > 90
@error = "Latitude #{lat} out of range"
render :action => "error"
- elsif lon < -180 or lon > 180
+ elsif lon < -180 || lon > 180
@error = "Longitude #{lon} out of range"
render :action => "error"
else
- @results = [{:lat => lat, :lon => lon,
- :zoom => params[:zoom],
- :name => "#{lat}, #{lon}"}]
+ @results = [{ :lat => lat, :lon => lon,
+ :zoom => params[:zoom],
+ :name => "#{lat}, #{lon}" }]
render :action => "results"
end
query = params[:query]
# create result array
- @results = Array.new
+ @results = []
# ask geocoder.us (they have a non-commercial use api)
response = fetch_text("http://rpc.geocoder.us/service/csv?zip=#{escape_query(query)}")
# parse the response
- unless response.match(/couldn't find this zip/)
+ unless response =~ /couldn't find this zip/
data = response.split(/\s*,\s+/) # lat,long,town,state,zip
- @results.push({:lat => data[0], :lon => data[1],
- :zoom => POSTCODE_ZOOM,
- :prefix => "#{data[2]}, #{data[3]},",
- :name => data[4]})
+ @results.push(:lat => data[0], :lon => data[1],
+ :zoom => POSTCODE_ZOOM,
+ :prefix => "#{data[2]}, #{data[3]},",
+ :name => data[4])
end
render :action => "results"
- rescue Exception => ex
- @error = "Error contacting rpc.geocoder.us: #{ex.to_s}"
+ rescue StandardError => ex
+ @error = "Error contacting rpc.geocoder.us: #{ex}"
render :action => "error"
end
query = params[:query]
# create result array
- @results = Array.new
+ @results = []
# 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=#{escape_query(query)}")
# parse the response
- unless response.match(/Error/)
+ unless response =~ /Error/
dataline = response.split(/\n/)[1]
data = dataline.split(/,/) # easting,northing,postcode,lat,long
- postcode = data[2].gsub(/'/, "")
+ postcode = data[2].delete("'")
zoom = POSTCODE_ZOOM - postcode.count("#")
- @results.push({:lat => data[3], :lon => data[4], :zoom => zoom,
- :name => postcode})
+ @results.push(:lat => data[3], :lon => data[4], :zoom => zoom,
+ :name => postcode)
end
render :action => "results"
- rescue Exception => ex
- @error = "Error contacting www.npemap.org.uk: #{ex.to_s}"
+ rescue StandardError => ex
+ @error = "Error contacting www.npemap.org.uk: #{ex}"
render :action => "error"
end
def search_ca_postcode
# get query parameters
query = params[:query]
- @results = Array.new
+ @results = []
# ask geocoder.ca (note - they have a per-day limit)
response = fetch_xml("http://geocoder.ca/?geoit=XML&postal=#{escape_query(query)}")
# parse the response
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})
+ @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
render :action => "results"
- rescue Exception => ex
- @error = "Error contacting geocoder.ca: #{ex.to_s}"
+ rescue StandardError => ex
+ @error = "Error contacting geocoder.ca: #{ex}"
render :action => "error"
end
end
# get objects to excude
- if params[:exclude]
- exclude = "&exclude_place_ids=#{params[:exclude].join(',')}"
- end
+ exclude = "&exclude_place_ids=#{params[:exclude]}" if params[:exclude]
# 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(',')}")
+ response = fetch_xml("http:#{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
+ @results = []
# 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|
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
- prefix_name = t "geocoder.search_osm_nominatim.prefix.#{klass}.#{type}", :default => type.gsub("_", " ").capitalize
- end
- if klass == 'boundary' and type == 'administrative'
+ min_lat, max_lat, min_lon, max_lon = place.attributes["boundingbox"].to_s.split(",")
+ prefix_name = if type.empty?
+ ""
+ else
+ t "geocoder.search_osm_nominatim.prefix.#{klass}.#{type}", :default => type.tr("_", " ").capitalize
+ end
+ if klass == "boundary" && 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
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)
+ @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)
end
render :action => "results"
-# rescue Exception => ex
-# @error = "Error contacting nominatim.openstreetmap.org: #{ex.to_s}"
-# render :action => "error"
+ rescue StandardError => ex
+ @error = "Error contacting nominatim.openstreetmap.org: #{ex}"
+ render :action => "error"
end
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
+ @results = []
# 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|
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 => GEONAMES_ZOOM,
- :name => name,
- :suffix => ", #{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}"
+ rescue StandardError => ex
+ @error = "Error contacting api.geonames.org: #{ex}"
render :action => "error"
end
zoom = params[:zoom]
# create result array
- @results = Array.new
+ @results = []
# ask nominatim
- response = fetch_xml("#{NOMINATIM_URL}reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{http_accept_language.user_preferred_languages.join(',')}")
+ response = fetch_xml("http:#{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|
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})
+ @results.push(:lat => lat, :lon => lon,
+ :zoom => zoom,
+ :name => description,
+ :type => object_type, :id => object_id)
end
render :action => "results"
- rescue Exception => ex
- @error = "Error contacting nominatim.openstreetmap.org: #{ex.to_s}"
+ rescue StandardError => ex
+ @error = "Error contacting nominatim.openstreetmap.org: #{ex}"
render :action => "error"
end
lat = params[:lat]
lon = params[:lon]
+ # get preferred language
+ lang = I18n.locale.to_s.split("-").first
+
# create result array
- @results = Array.new
+ @results = []
# 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({:lat => lat, :lon => lon,
- :zoom => GEONAMES_ZOOM,
- :name => name,
- :suffix => ", #{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}"
+ rescue StandardError => ex
+ @error = "Error contacting api.geonames.org: #{ex}"
render :action => "error"
end
-private
+ private
def fetch_text(url)
- return Net::HTTP.get(URI.parse(url))
- end
-
- def fetch_xml(url)
- return REXML::Document.new(fetch_text(url))
- end
-
- def format_distance(distance)
- return t("geocoder.distance", :count => distance)
- end
-
- def format_direction(bearing)
- 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(/( *\[[^\]]*\])*$/, "")
- end
-
- def count_results(results)
- count = 0
+ response = OSM.http_client.get(URI.parse(url))
- results.each do |source|
- count += source[:results].length if source[:results]
+ if response.success?
+ response.body
+ else
+ fail response.status.to_s
end
+ end
- return count
+ def fetch_xml(url)
+ REXML::Document.new(fetch_text(url))
end
def escape_query(query)
- return URI.escape(query, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]", false, 'N'))
+ URI.escape(query, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]", false, "N"))
end
def normalize_params
params.merge!(dms_to_decdeg(latlon)).delete(:query)
elsif latlon = query.match(/^\s*([+-]?\d+(\.\d*)?)\s*[\s,]\s*([+-]?\d+(\.\d*)?)\s*$/)
- params.merge!({:lat => latlon[1].to_f, :lon => latlon[3].to_f}).delete(:query)
+ 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)
+ lat = captures[2].downcase != "s" ? captures[0].to_f : -captures[0].to_f
+ lon = captures[5].downcase != "w" ? captures[3].to_f : -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)
+ lat = captures[0].downcase != "s" ? captures[1].to_f : -captures[1].to_f
+ lon = captures[3].downcase != "w" ? captures[4].to_f : -captures[4].to_f
end
- {:lat => lat, :lon => lon}
+ { :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)
+ lat = captures[3].downcase != "s" ? captures[0].to_f + captures[1].to_f / 60 : -(captures[0].to_f + captures[1].to_f / 60)
+ lon = captures[7].downcase != "w" ? captures[4].to_f + captures[5].to_f / 60 : -(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)
+ lat = captures[0].downcase != "s" ? captures[1].to_f + captures[2].to_f / 60 : -(captures[1].to_f + captures[2].to_f / 60)
+ lon = captures[4].downcase != "w" ? captures[5].to_f + captures[6].to_f / 60 : -(captures[5].to_f + captures[6].to_f / 60)
end
- {:lat => lat, :lon => lon}
+ { :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)
+ lat = captures[4].downcase != "s" ? 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].downcase != "w" ? 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
- 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)
+ lat = captures[0].downcase != "s" ? 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].downcase != "w" ? 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}
+ { :lat => lat, :lon => lon }
end
-
end
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