fix search paths for root+

notes/search.go

@@ -2,16 +2,52 @@ package notes
 
 import (
 	"bufio"
+	"errors"
 	"local/notes-server/filetree"
 	"log"
 	"os"
 	"path"
 	"path/filepath"
 	"regexp"
+	"strings"
 )
 
+type searcher struct {
+	patterns []*regexp.Regexp
+}
+
+func newSearcher(phrase string) (*searcher, error) {
+	phrases := strings.Split(phrase, " ")
+	patterns := make([]*regexp.Regexp, 0)
+	for _, phrase := range phrases {
+		if len(phrase) == 0 {
+			continue
+		}
+		pattern, err := regexp.Compile("(?i)" + phrase)
+		if err != nil {
+			return nil, err
+		}
+		patterns = append(patterns, pattern)
+	}
+	if len(patterns) < 1 {
+		return nil, errors.New("no search specified")
+	}
+	return &searcher{
+		patterns: patterns,
+	}, nil
+}
+
+func (s *searcher) matches(input []byte) bool {
+	for _, pattern := range s.patterns {
+		if !pattern.Match(input) {
+			return false
+		}
+	}
+	return true
+}
+
 func (n *Notes) Search(phrase string) (string, error) {
-	pattern, err := regexp.Compile("(?i)" + phrase)
+	searcher, err := newSearcher(phrase)
 	if err != nil {
 		return "", err
 	}
@@ -27,7 +63,7 @@ func (n *Notes) Search(phrase string) (string, error) {
 			if size := info.Size(); size < 1 || size > (5*1024*1024) {
 				return nil
 			}
-			ok, err := grepFile(walked, pattern)
+			ok, err := grepFile(walked, searcher)
 			if err != nil && err.Error() == "bufio.Scanner: token too long" {
 				err = nil
 			}
@@ -44,7 +80,7 @@ func (n *Notes) Search(phrase string) (string, error) {
 	return filetree.Paths(*files).List(true), err
 }
 
-func grepFile(file string, pattern *regexp.Regexp) (bool, error) {
+func grepFile(file string, searcher *searcher) (bool, error) {
 	f, err := os.Open(file)
 	if err != nil {
 		return false, err
@@ -52,7 +88,7 @@ func grepFile(file string, pattern *regexp.Regexp) (bool, error) {
 	defer f.Close()
 	scanner := bufio.NewScanner(f)
 	for scanner.Scan() {
-		if pattern.Match(scanner.Bytes()) {
+		if searcher.matches(scanner.Bytes()) {
 			return true, scanner.Err()
 		}
 	}