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Utils: Fix GetSearchScore for multiple occurances of keyword in haystack

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This commit is contained in:
Lorenz Stechauner
2023-09-18 21:17:37 +02:00
parent a08df4c3ed
commit a6fef7fd9b
1 changed files with 21 additions and 22 deletions
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31
Elwig/Helpers/Utils.cs
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@ -193,28 +193,27 @@ namespace Elwig.Helpers {
if (!searchKeywords.Any()) if (!searchKeywords.Any())
return 0; return 0;
return words return searchKeywords
.Select(w => { .Select(k => {
k = k.ToLower();
var scores = words.Select(w => {
w = w?.ToLower(); w = w?.ToLower();
var p = w?.ToLower()?.Split(" "); var p = w?.ToLower()?.Split(" ");
if (w == null || p == null) if (w == null || p == null) {
return 0; return 0;
} else if (k == w) {
var t1 = searchKeywords.Where(f => w == f).Select(f => f.Length).OrderDescending().FirstOrDefault(0); return 4 + k.Length;
var t2 = searchKeywords.Where(f => p.Any(a => a == f)).Select(f => f.Length).OrderDescending().FirstOrDefault(0); } else if (p.Any(a => a == k)) {
var t3 = searchKeywords.Where(f => p.Any(a => a.StartsWith(f))).Select(f => f.Length).OrderDescending().FirstOrDefault(0); return 3 + k.Length;
var t4 = searchKeywords.Where(f => w.Contains(f)).Select(f => f.Length).OrderDescending().FirstOrDefault(0); } else if (p.Any(a => a.StartsWith(k))) {
if (t1 > 0) { return 2 + k.Length;
return 4 + t1; } else if (w.Contains(k)) {
} else if (t2 > 0) { return 1 + k.Length;
return 3 + t2;
} else if (t3 > 0) {
return 2 + t3;
} else if (t4 > 0) {
return 1 + t4;
} else { } else {
return 0; return 0;
} }
});
return scores.Max() + scores.Count(s => s > 0);
}) })
.Sum(); .Sum();
} }