Check stopwords

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
+}

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)
+		}
+	}
+}

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