Ilia Denisov
15 lines
620 B
Go
15 lines
620 B
Go
package geo
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// LanguageForIP returns an ISO 639-1 language code derived from
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// sourceIP. The function looks up the country via LookupCountry and then
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// consults the static country->language table. Returns "" when the
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// country lookup fails or no language mapping exists for the country.
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//
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// Auth uses LanguageForIP as a fallback after the client-supplied locale
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// (request body or Accept-Language header). The empty string signals
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// "fall through to the platform default 'en'".
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func (s *Service) LanguageForIP(sourceIP string) string {
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country := s.LookupCountry(sourceIP)
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return languageForCountry(country)
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}
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