- res_hash = {}
- @postcode_arr = []
- @res_ary = []
-
- if params[:query][:postcode]
- postcode = params[:query][:postcode]
- escaped_postcode = postcode.sub(/\s/,'%20')
-
- if postcode.match(/(^\d{5}$)|(^\d{5}-\d{4}$)/)
- # Its a zip code - ask geocoder.us
- # (They have a non commerical use api)
- Net::HTTP.start('rpc.geocoder.us') do |http|
- resp = http.get("/service/csv?zip=#{postcode}")
- data = resp.body.split(/, /) # lat,long,town,state,zip
- lat = data[0]
- lon = data[1]
- redirect_to "/index.html?lat=#{lat}&lon=#{lon}&zoom=14"
- end
- elsif postcode.match(/^(\w{1,2}\d+\w?\s*\d\w\w)/)
- # It matched our naive UK postcode regexp
- # Ask npemap to do a combined npemap + freethepostcode search
- Net::HTTP.start('www.npemap.org.uk') do |http|
- resp = http.get("/cgi/geocoder.fcgi?format=text&postcode=#{escaped_postcode}")
- dataline = resp.body.split(/\n/)[1]
- data = dataline.split(/,/) # easting,northing,postcode,lat,long
- lat = data[3]
- lon = data[4]
- redirect_to "/index.html?lat=#{lat}&lon=#{lon}&zoom=14"
- end
+ @query = params[:query]
+ @sources = Array.new
+
+ @query.sub(/^\s+/, "")
+ @query.sub(/\s+$/, "")
+
+ if @query.match(/^[+-]?\d+(\.\d*)?\s*[\s,]\s*[+-]?\d+(\.\d*)?$/)
+ @sources.push "latlon"
+ elsif @query.match(/^\d{5}(-\d{4})?$/)
+ @sources.push "us_postcode"
+ elsif @query.match(/^(GIR 0AA|[A-PR-UWYZ]([0-9]{1,2}|([A-HK-Y][0-9]|[A-HK-Y][0-9]([0-9]|[ABEHMNPRV-Y]))|[0-9][A-HJKS-UW])\s*[0-9][ABD-HJLNP-UW-Z]{2})$/i)
+ @sources.push "uk_postcode"
+ @sources.push "osm_namefinder"
+ elsif @query.match(/^[A-Z]\d[A-Z]\s*\d[A-Z]\d$/i)
+ @sources.push "ca_postcode"
+ else
+ @sources.push "osm_namefinder"
+ @sources.push "geonames"
+ end
+
+ render :update do |page|
+ page.replace_html :sidebar_content, :partial => "search"
+ page.call "openSidebar"
+ end
+ end
+
+ def search_latlon
+ # get query parameters
+ query = params[:query]
+
+ # create result array
+ @results = Array.new
+
+ # decode the location
+ if m = query.match(/^\s*([+-]?\d+(\.\d*)?)\s*[\s,]\s*([+-]?\d+(\.\d*)?)\s*$/)
+ lat = m[1].to_f
+ lon = m[3].to_f
+ end
+
+ # generate results
+ if lat < -90 or lat > 90
+ @error = "Latitude #{lat} out of range"
+ render :action => "error"
+ elsif lon < -180 or lon > 180
+ @error = "Longitude #{lon} out of range"
+ render :action => "error"
+ else
+ @results.push({:lat => lat, :lon => lon,
+ :zoom => APP_CONFIG['postcode_zoom'],
+ :name => "#{lat}, #{lon}"})
+
+ render :action => "results"
+ end
+ end
+
+ def search_us_postcode
+ # get query parameters
+ query = params[:query]
+
+ # create result array
+ @results = Array.new
+
+ # 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 => APP_CONFIG['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}"
+ render :action => "error"
+ end
+
+ def search_uk_postcode
+ # get query parameters
+ query = params[:query]
+
+ # create result array
+ @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=#{escape_query(query)}")
+
+ # parse the response
+ unless response.match(/Error/)
+ dataline = response.split(/\n/)[1]
+ data = dataline.split(/,/) # easting,northing,postcode,lat,long
+ postcode = data[2].gsub(/'/, "")
+ zoom = APP_CONFIG['postcode_zoom'] - postcode.count("#")
+ @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}"
+ render :action => "error"
+ end
+
+ def search_ca_postcode
+ # get query parameters
+ query = params[:query]
+ @results = Array.new
+
+ # 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 => APP_CONFIG['postcode_zoom'],
+ :name => query.upcase})
+ end
+
+ render :action => "results"
+ rescue Exception => ex
+ @error = "Error contacting geocoder.ca: #{ex.to_s}"
+ render :action => "error"
+ end
+
+ def search_osm_namefinder
+ # get query parameters
+ query = params[:query]
+
+ # create result array
+ @results = Array.new
+
+ # ask OSM namefinder
+ response = fetch_xml("http://gazetteer.openstreetmap.org/namefinder/search.xml?find=#{escape_query(query)}")
+
+ # 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.capitalize
+ name = named.attributes["name"].to_s
+ description = named.elements["description"].to_s
+
+ if name.empty?
+ prefix = ""
+ name = type
projects / rails.git / blobdiff