552a471188
Without adding "Rails.root.join(...)" (or something else returning a complete path to the countries.xml file) this error occurred: "No such file or directory @ rb_sysopen - config/countries.xml" I think it happened because it could not find that file through a relative path.
36 lines
883 B
Ruby
36 lines
883 B
Ruby
class Country
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attr_reader :code, :min_lat, :max_lat, :min_lon, :max_lon
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def initialize(code, min_lat, max_lat, min_lon, max_lon)
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@code = code
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@min_lat = min_lat
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@max_lat = max_lat
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@min_lon = min_lon
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@max_lon = max_lon
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end
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def self.find(code)
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countries[code]
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end
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def self.countries
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@countries ||= load_countries
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end
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def self.load_countries
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countries = {}
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xml = REXML::Document.new(File.read(Rails.root.join("config", "countries.xml")))
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xml.elements.each("geonames/country") do |ele|
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code = ele.get_text("countryCode").to_s
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minlon = ele.get_text("west").to_s
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minlat = ele.get_text("south").to_s
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maxlon = ele.get_text("east").to_s
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maxlat = ele.get_text("north").to_s
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countries[code] = Country.new(code, minlat.to_f, maxlat.to_f, minlon.to_f, maxlon.to_f)
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end
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countries
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end
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end
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