Staging to Production #51
@@ -138,23 +138,21 @@ public sealed class JobTokenService : IJobTokenService
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/// <summary>
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/// Extracts up to 10 meaningful keywords from the CV text using simple heuristics (no LLM).
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/// Takes the first 5 usable lines, splits them into words, strips punctuation, and deduplicates.
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/// Samples the first 2000 characters (where title/role/skills usually appear), splits by
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/// whitespace and common delimiters, strips punctuation, and deduplicates.
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/// Works regardless of whether the PDF extractor preserves newlines.
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/// </summary>
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private static string ExtractKeywords(string cvText)
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{
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var lines = cvText
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.Split(['\n', '\r'], StringSplitOptions.RemoveEmptyEntries)
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.Select(l => l.Trim())
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.Where(l => l.Length > 5 && l.Length < 200)
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// Skip lines that are purely digits, spaces, and phone/contact punctuation (phone numbers, emails, etc.)
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.Where(l => !Regex.IsMatch(l, @"^[\d\s\+\-\(\)\@\.]+$"))
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.Take(5)
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.ToList();
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// Focus on the header area where name/title/skills typically appear
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var sample = cvText.Length > 2000 ? cvText[..2000] : cvText;
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var words = lines
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.SelectMany(l => l.Split(' ', StringSplitOptions.RemoveEmptyEntries))
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.Select(w => Regex.Replace(w, @"[^\w\-]", ""))
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var words = sample
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.Split([' ', '\n', '\r', '\t', '|', '/', ',', ';', '(', ')'], StringSplitOptions.RemoveEmptyEntries)
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.Select(w => Regex.Replace(w, @"[^\w\-]", "").Trim('-'))
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.Where(w => w.Length > 2)
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.Where(w => !Regex.IsMatch(w, @"^[\d\-]+$")) // skip phone fragments and pure numbers
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.Where(w => !w.Contains('@') && !w.Contains('.')) // skip emails and URLs
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.Distinct(StringComparer.OrdinalIgnoreCase)
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.Take(10)
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.ToList();
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