cesnimda
37 lines
1.3 KiB
C#
37 lines
1.3 KiB
C#
using System;
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using System.Globalization;
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namespace JobTrackerApi.Services.JobImport;
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public static class LanguageDetector
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{
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// Lightweight heuristic: good enough to distinguish Norwegian vs English for job ads.
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public static string Detect(string? text)
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{
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if (string.IsNullOrWhiteSpace(text)) return "en";
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var t = text.AsSpan();
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// Norwegian characters strongly indicate "no".
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for (var i = 0; i < t.Length; i++)
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{
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var ch = char.ToLowerInvariant(t[i]);
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if (ch is 'æ' or 'ø' or 'å') return "no";
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}
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var lower = text.ToLower(CultureInfo.InvariantCulture);
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var hits = 0;
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hits += lower.Contains(" stilling ") || lower.Contains(" stillingen ") ? 2 : 0;
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hits += lower.Contains(" søker ") || lower.Contains(" s\u00F8ker ") ? 2 : 0;
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hits += lower.Contains(" arbeidsoppgaver") ? 2 : 0;
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hits += lower.Contains(" kvalifikasjoner") ? 2 : 0;
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hits += lower.Contains(" vi tilbyr") ? 2 : 0;
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hits += lower.Contains(" krav ") ? 1 : 0;
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hits += lower.Contains(" og ") ? 1 : 0;
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hits += lower.Contains(" ikke ") ? 1 : 0;
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hits += lower.Contains(" du ") || lower.Contains(" deg ") ? 1 : 0;
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return hits >= 4 ? "no" : "en";
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}
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}
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