mirror of
https://github.com/openstreetmap/openstreetmap-website.git
synced 2025-07-22 01:22:54 +00:00
75 lines
2.5 KiB
Ruby
75 lines
2.5 KiB
Ruby
class SearchesController < ApplicationController
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include NominatimMethods
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before_action :authorize_web
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before_action :set_locale
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before_action :require_oauth
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authorize_resource :class => false
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before_action :normalize_params
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def show
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@sources = []
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if params[:lat] && params[:lon]
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@sources.push(:name => "latlon", :url => root_path,
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:fetch_url => search_latlon_query_path(params.permit(:lat, :lon, :latlon_digits, :zoom)))
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@sources.push(:name => "nominatim_reverse", :url => nominatim_reverse_query_url(:format => "html"),
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:fetch_url => search_nominatim_reverse_query_path(params.permit(:lat, :lon, :zoom)))
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elsif params[:query]
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@sources.push(:name => "nominatim", :url => nominatim_query_url(:format => "html"),
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:fetch_url => search_nominatim_query_path(params.permit(:query, :minlat, :minlon, :maxlat, :maxlon)))
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end
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if @sources.empty?
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head :bad_request
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else
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render :layout => map_layout
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end
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end
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private
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def normalize_params
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if (query = params[:query])
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query.strip!
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if (latlon = query.match(/^(?<ns>[NS])\s*#{dms_regexp('ns')}\W*(?<ew>[EW])\s*#{dms_regexp('ew')}$/) ||
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query.match(/^#{dms_regexp('ns')}\s*(?<ns>[NS])\W*#{dms_regexp('ew')}\s*(?<ew>[EW])$/))
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params.merge!(to_decdeg(latlon.named_captures.compact)).delete(:query)
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elsif (latlon = query.match(%r{^(?<lat>[+-]?\d+(?:\.\d+)?)(?:\s+|\s*[,/]\s*)(?<lon>[+-]?\d+(?:\.\d+)?)$}))
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params.merge!(latlon.named_captures).delete(:query)
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params[:latlon_digits] = true
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end
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end
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end
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def dms_regexp(name_prefix)
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/
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(?: (?<#{name_prefix}d>\d{1,3}(?:\.\d+)?)°? ) |
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(?: (?<#{name_prefix}d>\d{1,3})°?\s*(?<#{name_prefix}m>\d{1,2}(?:\.\d+)?)['′]? ) |
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(?: (?<#{name_prefix}d>\d{1,3})°?\s*(?<#{name_prefix}m>\d{1,2})['′]?\s*(?<#{name_prefix}s>\d{1,2}(?:\.\d+)?)["″]? )
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/x
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end
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def to_decdeg(captures)
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ns = captures.fetch("ns").casecmp?("s") ? -1 : 1
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nsd = BigDecimal(captures.fetch("nsd", "0"))
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nsm = BigDecimal(captures.fetch("nsm", "0"))
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nss = BigDecimal(captures.fetch("nss", "0"))
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ew = captures.fetch("ew").casecmp?("w") ? -1 : 1
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ewd = BigDecimal(captures.fetch("ewd", "0"))
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ewm = BigDecimal(captures.fetch("ewm", "0"))
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ews = BigDecimal(captures.fetch("ews", "0"))
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lat = ns * (nsd + (nsm / 60) + (nss / 3600))
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lon = ew * (ewd + (ewm / 60) + (ews / 3600))
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{ :lat => lat.round(6).to_s("F"), :lon => lon.round(6).to_s("F") }
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end
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end
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