From 45beaced89dc1b86ec4e71be5a589b09fec29b79 Mon Sep 17 00:00:00 2001
From: nyne <me@nyne.dev>
Date: Wed, 10 Sep 2025 20:06:46 +0800
Subject: [PATCH] Check stopwords

---
 server/search/resource.go    | 11 +++++++++++
 server/search/search_test.go | 20 ++++++++++++++++++++
 server/service/resource.go   |  3 +++
 3 files changed, 34 insertions(+)

diff --git a/server/search/resource.go b/server/search/resource.go
index 0e5a110..9c33806 100644
--- a/server/search/resource.go
+++ b/server/search/resource.go
@@ -101,3 +101,14 @@ func SearchResource(keyword string) ([]uint, error) {
 
 	return results, nil
 }
+
+func IsStopWord(word string) bool {
+	mapping := bleve.NewIndexMapping()
+	analyzerName := mapping.DefaultAnalyzer
+	analyzer := mapping.AnalyzerNamed(analyzerName)
+	if analyzer == nil {
+		return false
+	}
+	tokens := analyzer.Analyze([]byte(word))
+	return len(tokens) == 0
+}
diff --git a/server/search/search_test.go b/server/search/search_test.go
index 6a41988..23fa9a9 100644
--- a/server/search/search_test.go
+++ b/server/search/search_test.go
@@ -163,3 +163,23 @@ func TestSearchResource(t *testing.T) {
 		})
 	}
 }
+
+func TestIsStopWord(t *testing.T) {
+	Init()
+	defer TearDown()
+
+	stopWords := []string{"the", "is", "at", "which", "on", "and", "a", "an", "in", "to", "of"}
+	nonStopWords := []string{"adventure", "mystery", "romance", "sci-fi", "comedy", "action", "horror"}
+
+	for _, word := range stopWords {
+		if !IsStopWord(word) {
+			t.Errorf("Expected '%s' to be identified as a stop word", word)
+		}
+	}
+
+	for _, word := range nonStopWords {
+		if IsStopWord(word) {
+			t.Errorf("Expected '%s' to not be identified as a stop word", word)
+		}
+	}
+}
diff --git a/server/service/resource.go b/server/service/resource.go
index 86ea57d..ea13c93 100644
--- a/server/service/resource.go
+++ b/server/service/resource.go
@@ -317,6 +317,9 @@ func SearchResource(query string, page int) ([]model.ResourceView, int, error) {
 			if err != nil {
 				return nil, 0, err
 			}
+			if len(res) == 0 && search.IsStopWord(keyword) {
+				continue
+			}
 			if first {
 				temp = utils.RemoveDuplicate(res)
 				first = false