feat: add multi folder support

closes #50

server/scanner/scanner.go

@@ -48,12 +48,6 @@ func New(musicPaths []string, sorted bool, db *db.DB, genreSplit string, tagger
 	}
 }
 
-type ScanOptions struct {
-	IsFull bool
-	// TODO https://github.com/sentriz/gonic/issues/64
-	Path string
-}
-
 func (s *Scanner) IsScanning() bool {
 	return atomic.LoadInt32(s.scanning) == 1
 }

server/scanner/scanner_test.go

@@ -1,9 +1,11 @@
 package scanner_test
 
 import (
+	"fmt"
 	"io/ioutil"
 	"log"
 	"os"
+	"path/filepath"
 	"testing"
 
 	"github.com/jinzhu/gorm"