-# coding: utf-8
-
class GeocoderController < ApplicationController
require "cgi"
require "uri"
@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"
end
end
- def search_us_postcode
- # get query parameters
- query = params[:query]
-
- # create result array
- @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 =~ /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])
- end
-
- render :action => "results"
- rescue StandardError => ex
- @error = "Error contacting rpc.geocoder.us: #{ex}"
- render :action => "error"
- end
-
def search_uk_postcode
# get query parameters
query = params[:query]
@results = []
# ask geocoder.ca (note - they have a per-day limit)
- response = fetch_xml("http://geocoder.ca/?geoit=XML&postal=#{escape_query(query)}")
+ response = fetch_xml("https://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,
+ @results.push(:lat => response.text("geodata/latt"),
+ :lon => response.text("geodata/longt"),
:zoom => POSTCODE_ZOOM,
:name => query.upcase)
end
exclude = "&exclude_place_ids=#{params[:exclude]}" if params[:exclude]
# ask nominatim
- response = fetch_xml("http:#{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}search?format=xml&extratags=1&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"]
# parse the response
results.elements.each("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(",")
+ lat = place.attributes["lat"]
+ lon = place.attributes["lon"]
+ klass = place.attributes["class"]
+ type = place.attributes["type"]
+ name = place.attributes["display_name"]
+ min_lat, max_lat, min_lon, max_lon = place.attributes["boundingbox"].split(",")
prefix_name = if type.empty?
""
else
# parse the response
response.elements.each("geonames/geoname") do |geoname|
- lat = geoname.get_text("lat").to_s
- lon = geoname.get_text("lng").to_s
- name = geoname.get_text("name").to_s
- country = geoname.get_text("countryName").to_s
+ lat = geoname.text("lat")
+ lon = geoname.text("lng")
+ name = geoname.text("name")
+ country = geoname.text("countryName")
+
@results.push(:lat => lat, :lon => lon,
:zoom => GEONAMES_ZOOM,
:name => name,
@results = []
# ask nominatim
- response = fetch_xml("http:#{NOMINATIM_URL}reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{http_accept_language.user_preferred_languages.join(',')}")
+ 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
+ lat = result.attributes["lat"]
+ lon = result.attributes["lon"]
object_type = result.attributes["osm_type"]
object_id = result.attributes["osm_id"]
- description = result.get_text.to_s
+ description = result.text
@results.push(:lat => lat, :lon => lon,
:zoom => zoom,
# parse the response
response.elements.each("geonames/countrySubdivision") do |geoname|
- name = geoname.get_text("adminName1").to_s
- country = geoname.get_text("countryName").to_s
+ name = geoname.text("adminName1")
+ country = geoname.text("countryName")
+
@results.push(:lat => lat, :lon => lon,
:zoom => GEONAMES_ZOOM,
:name => name,
end
def escape_query(query)
- URI.escape(query, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]", false, "N"))
+ CGI.escape(query)
end
def normalize_params
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
+ 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
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
+ 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
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
+ 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
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