1 class SearchesController < ApplicationController
2 include NominatimMethods
4 before_action :authorize_web
5 before_action :set_locale
6 before_action :require_oauth
8 authorize_resource :class => false
10 before_action :normalize_params
15 if params[:lat] && params[:lon]
16 @sources.push(:name => "latlon", :url => root_path,
17 :fetch_url => search_latlon_query_path(params.permit(:lat, :lon, :latlon_digits, :zoom)))
18 @sources.push(:name => "nominatim_reverse", :url => nominatim_reverse_query_url(:format => "html"),
19 :fetch_url => search_nominatim_reverse_query_path(params.permit(:lat, :lon, :zoom)))
21 @sources.push(:name => "nominatim", :url => nominatim_query_url(:format => "html"),
22 :fetch_url => search_nominatim_query_path(params.permit(:query, :minlat, :minlon, :maxlat, :maxlon)))
28 render :layout => map_layout
35 if (query = params[:query])
38 if (latlon = query.match(/^(?<ns>[NS])\s*#{dms_regexp('ns')}\W*(?<ew>[EW])\s*#{dms_regexp('ew')}$/) ||
39 query.match(/^#{dms_regexp('ns')}\s*(?<ns>[NS])\W*#{dms_regexp('ew')}\s*(?<ew>[EW])$/))
40 params.merge!(to_decdeg(latlon.named_captures.compact)).delete(:query)
42 elsif (latlon = query.match(%r{^(?<lat>[+-]?\d+(?:\.\d+)?)(?:\s+|\s*[,/]\s*)(?<lon>[+-]?\d+(?:\.\d+)?)$}))
43 params.merge!(latlon.named_captures).delete(:query)
45 params[:latlon_digits] = true
50 def dms_regexp(name_prefix)
52 (?: (?<#{name_prefix}d>\d{1,3}(?:\.\d+)?)°? ) |
53 (?: (?<#{name_prefix}d>\d{1,3})°?\s*(?<#{name_prefix}m>\d{1,2}(?:\.\d+)?)['′]? ) |
54 (?: (?<#{name_prefix}d>\d{1,3})°?\s*(?<#{name_prefix}m>\d{1,2})['′]?\s*(?<#{name_prefix}s>\d{1,2}(?:\.\d+)?)["″]? )
58 def to_decdeg(captures)
59 ns = captures.fetch("ns").casecmp?("s") ? -1 : 1
60 nsd = BigDecimal(captures.fetch("nsd", "0"))
61 nsm = BigDecimal(captures.fetch("nsm", "0"))
62 nss = BigDecimal(captures.fetch("nss", "0"))
64 ew = captures.fetch("ew").casecmp?("w") ? -1 : 1
65 ewd = BigDecimal(captures.fetch("ewd", "0"))
66 ewm = BigDecimal(captures.fetch("ewm", "0"))
67 ews = BigDecimal(captures.fetch("ews", "0"))
69 lat = ns * (nsd + (nsm / 60) + (nss / 3600))
70 lon = ew * (ewd + (ewm / 60) + (ews / 3600))
72 { :lat => lat.round(6).to_s("F"), :lon => lon.round(6).to_s("F") }