require 'rexml/document'
def search
- @query = params[:query]
- @results = Array.new
-
- if @query.match(/^\d{5}(-\d{4})?$/)
- @results.push search_us_postcode(@query)
- elsif @query.match(/(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW])\s*[0-9][ABD-HJLNP-UW-Z]{2})/i)
- @results.push search_uk_postcode(@query)
- elsif @query.match(/[A-Z]\d[A-Z]\s*\d[A-Z]\d/i)
- @results.push search_ca_postcode(@query)
+ query = params[:query]
+ results = Array.new
+
+ if query.match(/^\d{5}(-\d{4})?$/)
+ results.push search_us_postcode(query)
+ 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)
+ results.push search_uk_postcode(query)
+ elsif query.match(/[A-Z]\d[A-Z]\s*\d[A-Z]\d/i)
+ results.push search_ca_postcode(query)
else
- @results.push search_osm_namefinder(@query)
- @results.push search_geonames(@query)
+ results.push search_osm_namefinder(query)
+ results.push search_geonames(query)
+ end
+
+ results_count = count_results(results)
+
+ render :update do |page|
+ page.replace_html :sidebar_content, :partial => 'results', :object => results
+
+ if results_count == 1
+ position = results.collect { |s| s[:results] }.compact.flatten[0]
+ page.call "setPosition", position[:lat], position[:lon], position[:zoom]
+ else
+ page.call "openSidebar"
+ end
+ end
+ end
+
+ def description
+ results = Array.new
+
+ lat = params[:lat]
+ lon = params[:lon]
+
+ results.push description_osm_namefinder("cities", lat, lon, 2)
+ results.push description_osm_namefinder("towns", lat, lon, 4)
+ results.push description_osm_namefinder("places", lat, lon, 10)
+ results.push description_geonames(lat, lon)
+
+ render :update do |page|
+ page.replace_html :sidebar_content, :partial => 'results', :object => results
+ page.call "openSidebar"
end
end
type = named.attributes["info"].to_s.capitalize
name = named.attributes["name"].to_s
description = named.elements["description"].to_s
+ if name.empty?
+ prefix = ""
+ name = type
+ else
+ prefix = "#{type} "
+ end
if place
distance = format_distance(place.attributes["approxdistance"].to_i)
direction = format_direction(place.attributes["direction"].to_i)
placename = place.attributes["name"].to_s
- results.push({:lat => lat, :lon => lon, :zoom => zoom,
- :prefix => "#{type} ", :name => name,
- :suffix => ", #{distance} #{direction} of #{placename}",
- :description => description})
+ suffix = ", #{distance} #{direction} of #{placename}"
else
- results.push({:lat => lat, :lon => lon, :zoom => zoom,
- :prefix => "#{type} ", :name => name,
- :description => description})
+ suffix = ""
end
+ results.push({:lat => lat, :lon => lon, :zoom => zoom,
+ :prefix => prefix, :name => name, :suffix => suffix,
+ :description => description})
end
return { :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :results => results }
return { :source => "GeoNames", :url => "http://www.geonames.org/", :error => "Error contacting ws.geonames.org: #{ex.to_s}" }
end
+ def description_osm_namefinder(types, lat, lon, max)
+ results = Array.new
+
+ # ask OSM namefinder
+ response = fetch_xml("http://www.frankieandshadow.com/osm/search.xml?find=#{types}+near+#{lat},#{lon}&max=#{max}")
+
+ # parse the response
+ response.elements.each("searchresults/named") do |named|
+ lat = named.attributes["lat"].to_s
+ lon = named.attributes["lon"].to_s
+ zoom = named.attributes["zoom"].to_s
+ place = named.elements["place/named"] || named.elements["nearestplaces/named"]
+ type = named.attributes["info"].to_s
+ name = named.attributes["name"].to_s
+ 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} "
+ results.push({:lat => lat, :lon => lon, :zoom => zoom,
+ :prefix => prefix.capitalize, :name => name,
+ :description => description})
+ end
+
+ return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :results => results }
+ rescue Exception => ex
+ return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :error => "Error contacting www.frankieandshadow.com: #{ex.to_s}" }
+ end
+
+ def description_geonames(lat, lon)
+ results = Array.new
+
+ # ask geonames.org
+ response = fetch_xml("http://ws.geonames.org/countrySubdivision?lat=#{lat}&lng=#{lon}")
+
+ # 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({:prefix => "#{name}, #{country}"})
+ end
+
+ return { :type => "Location", :source => "GeoNames", :url => "http://www.geonames.org/", :results => results }
+ rescue Exception => ex
+ return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :error => "Error contacting www.frankieandshadow.com: #{ex.to_s}" }
+ end
+
def fetch_text(url)
return Net::HTTP.get(URI.parse(url))
end
return "north-west" if bearing >= 292.5 and bearing < 337.5
return "west"
end
+
+ def count_results(results)
+ count = 0
+
+ results.each do |source|
+ count += source[:results].length if source[:results]
+ end
+
+ return count
+ end
end