Improve search

server/service/resource.go

@@ -291,6 +291,19 @@ func SearchResource(query string, page int) ([]model.ResourceView, int, error) {
 	// split query to search
 	keywords := splitQuery(query)
 	var temp []uint
+	haveTag := false
+	for _, keyword := range keywords {
+		if len([]rune(keyword)) <= maxTagLength {
+			exists, err := dao.ExistsTag(keyword)
+			if err != nil {
+				return nil, 0, err
+			}
+			if exists {
+				haveTag = true
+			}
+		}
+	}
+	if haveTag {
 		first := true
 		for _, keyword := range keywords {
 			if keyword == "" {
@@ -320,6 +333,13 @@ func SearchResource(query string, page int) ([]model.ResourceView, int, error) {
 				temp = temp1
 			}
 		}
+	} else {
+		res, err := searchWithKeyword(query)
+		if err != nil {
+			return nil, 0, err
+		}
+		temp = res
+	}
 	resources = append(resources, temp...)
 	resources = utils.RemoveDuplicate(resources)