26 lines
860 B
Ruby
26 lines
860 B
Ruby
module Nominatim
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extend ActionView::Helpers::NumberHelper
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def self.describe_location(lat, lon, zoom = nil, language = nil)
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zoom = zoom || 14
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language = language || http_accept_language.user_preferred_languages.join(',')
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Rails.cache.fetch "/nominatim/location/#{lat}/#{lon}/#{zoom}/#{language}" do
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url = "http://nominatim.openstreetmap.org/reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{language}"
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begin
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response = OSM::Timer.timeout(4) do
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REXML::Document.new(Net::HTTP.get(URI.parse(url)))
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end
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rescue Exception
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response = nil
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end
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if response and result = response.get_text("reversegeocode/result")
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result.to_s
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else
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"#{number_with_precision(lat, :precision => 3)}, #{number_with_precision(lon, :precision => 3)}"
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end
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end
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end
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end
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