require 'net/http'
require 'rexml/document'
+ POSTCODE_ZOOM = 15
+ GEONAMES_ZOOM = 12
+
def search
query = params[:query]
results = Array.new
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)
+ results.push search_osm_namefinder(query)
elsif query.match(/[A-Z]\d[A-Z]\s*\d[A-Z]\d/i)
results.push search_ca_postcode(query)
else
results = Array.new
# ask geocoder.us (they have a non-commercial use api)
- response = fetch_text("http://rpc.geocoder.us/service/csv?zip=#{URI.escape(query)}")
+ 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 => 12,
+ results.push({:lat => data[0], :lon => data[1], :zoom => POSTCODE_ZOOM,
:prefix => "#{data[2]}, #{data[3]}, ",
:name => data[4]})
end
results = Array.new
# 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=#{URI.escape(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/)
dataline = response.split(/\n/)[1]
data = dataline.split(/,/) # easting,northing,postcode,lat,long
- results.push({:lat => data[3], :lon => data[4], :zoom => 12,
- :name => data[2].gsub(/'/, "")})
+ postcode = data[2].gsub(/'/, "")
+ zoom = POSTCODE_ZOOM - postcode.count("#")
+ results.push({:lat => data[3], :lon => data[4], :zoom => zoom,
+ :name => postcode})
end
return { :source => "NPEMap / FreeThePostcode", :url => "http://www.npemap.org.uk/", :results => results }
results = Array.new
# ask geocoder.ca (note - they have a per-day limit)
- response = fetch_xml("http://geocoder.ca/?geoit=XML&postal=#{URI.escape(query)}")
+ response = fetch_xml("http://geocoder.ca/?geoit=XML&postal=#{escape_query(query)}")
# parse the response
unless response.get_elements("geodata/error")
results.push({:lat => response.get_text("geodata/latt").to_s,
:lon => response.get_text("geodata/longt").to_s,
- :zoom => 12,
+ :zoom => POSTCODE_ZOOM,
:name => query.upcase})
end
results = Array.new
# ask OSM namefinder
- response = fetch_xml("http://www.frankieandshadow.com/osm/search.xml?find=#{URI.escape(query)}")
+ response = fetch_xml("http://gazetteer.openstreetmap.org/namefinder/search.xml?find=#{escape_query(query)}")
# parse the response
response.elements.each("searchresults/named") do |named|
:description => description})
end
- return { :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :results => results }
+ return { :source => "OpenStreetMap Namefinder", :url => "http://gazetteer.openstreetmap.org/namefinder/", :results => results }
rescue Exception => ex
- return { :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :error => "Error contacting www.frankieandshadow.com: #{ex.to_s}" }
+ return { :source => "OpenStreetMap Namefinder", :url => "http://gazetteer.openstreetmap.org/namefinder/", :error => "Error contacting gazetteer.openstreetmap.org: #{ex.to_s}" }
end
def search_geonames(query)
results = Array.new
# ask geonames.org
- response = fetch_xml("http://ws.geonames.org/search?q=#{URI.escape(query)}&maxRows=20")
+ response = fetch_xml("http://ws.geonames.org/search?q=#{escape_query(query)}&maxRows=20")
# 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 => 12,
+ results.push({:lat => lat, :lon => lon, :zoom => GEONAMES_ZOOM,
:name => name,
:suffix => ", #{country}"})
end
results = Array.new
# ask OSM namefinder
- response = fetch_xml("http://www.frankieandshadow.com/osm/search.xml?find=#{types}+near+#{lat},#{lon}&max=#{max}")
+ response = fetch_xml("http://gazetteer.openstreetmap.org/namefinder/search.xml?find=#{types}+near+#{lat},#{lon}&max=#{max}")
# parse the response
response.elements.each("searchresults/named") do |named|
:description => description})
end
- return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://www.frankieandshadow.com/osm/", :results => results }
+ return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://gazetteer.openstreetmap.org/namefinder/", :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}" }
+ return { :type => types.capitalize, :source => "OpenStreetMap Namefinder", :url => "http://gazetteer.openstreetmap.org/namefinder/", :error => "Error contacting gazetteer.openstreetmap.org: #{ex.to_s}" }
end
def description_geonames(lat, lon)
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}" }
+ return { :type => "Location", :source => "GeoNames", :url => "http://www.geonames.org/", :error => "Error contacting ws.geonames.org: #{ex.to_s}" }
end
def fetch_text(url)
return count
end
+
+ def escape_query(query)
+ return URI.escape(query, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]", false, 'N'))
+ end
end
projects / rails.git / blobdiff