-# coding: utf-8
-
class GeocoderController < ApplicationController
require "cgi"
require "uri"
before_action :require_oauth, :only => [:search]
def search
- normalize_params
-
+ @params = normalize_params
@sources = []
- if params[:lat] && params[:lon]
+ if @params[:lat] && @params[:lon]
@sources.push "latlon"
@sources.push "osm_nominatim_reverse"
@sources.push "geonames_reverse" if defined?(GEONAMES_USERNAME)
- elsif params[:query]
- if params[:query].match(/^\d{5}(-\d{4})?$/)
- @sources.push "us_postcode"
+ elsif @params[:query]
+ if @params[:query] =~ /^\d{5}(-\d{4})?$/
@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})$/i)
+ elsif @params[:query] =~ /^(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW])\s*[0-9][ABD-HJLNP-UW-Z]{2})$/i
@sources.push "uk_postcode"
@sources.push "osm_nominatim"
- elsif params[:query].match(/^[A-Z]\d[A-Z]\s*\d[A-Z]\d$/i)
+ elsif @params[:query] =~ /^[A-Z]\d[A-Z]\s*\d[A-Z]\d$/i
@sources.push "ca_postcode"
@sources.push "osm_nominatim"
else
end
if @sources.empty?
- render :text => "", :status => :bad_request
+ head :bad_request
else
render :layout => map_layout
end
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.match(/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]
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].delete("'")
exclude = "&exclude_place_ids=#{params[:exclude]}" if params[:exclude]
# ask nominatim
- response = fetch_xml("http:#{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&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"]
@results = []
# create parameter hash for "more results" link
- @more_params = params.merge(:exclude => more_url_params["exclude_place_ids"].first)
+ @more_params = params
+ .permit(:query, :minlon, :minlat, :maxlon, :maxlat, :exclude)
+ .merge(:exclude => more_url_params["exclude_place_ids"].first)
# parse the response
results.elements.each("place") do |place|
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.tr("_", " ").capitalize
- end
+ 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
+ place.elements["extratags"].elements.each("tag") do |extratag|
+ if extratag.attributes["key"] == "place"
+ prefix_name = t "geocoder.search_osm_nominatim.prefix.place.#{extratag.attributes['value']}", :default => prefix_name
+ end
+ end
end
prefix = t "geocoder.search_osm_nominatim.prefix_format", :name => prefix_name
object_type = place.attributes["osm_type"]
if response.success?
response.body
else
- fail response.status.to_s
+ raise response.status.to_s
end
end
end
def escape_query(query)
- URI.escape(query, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]", false, "N"))
+ CGI.escape(query)
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*$/)
- params.merge!(:lat => latlon[1].to_f, :lon => latlon[3].to_f).delete(:query)
+ if query = params[:query]
+ query.strip!
+
+ if latlon = query.match(/^([NS])\s*(\d{1,3}(\.\d*)?)\W*([EW])\s*(\d{1,3}(\.\d*)?)$/).try(:captures) # [NSEW] decimal degrees
+ 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
+
+ params.permit(:query, :lat, :lon, :zoom, :minlat, :minlon, :maxlat, :maxlon)
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)
+ 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 }
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)
+ 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 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)
+ 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 }
end
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