use toml.DateTime; fix metadata.toml writing bug

scanner/scanner.go

@@ -22,7 +22,7 @@ type (
 	Metadata struct {
 		Title string		`toml:"title"`
 		Part int			`toml:"part"`
-		Date string			`toml:"date"`
+		Date toml.LocalDate	`toml:"date"`
 		Tags []string		`toml:"tags"`
 		FootageDir string	`toml:"footage_dir"`
 		Uploaded bool		`toml:"uploaded"`
@@ -107,20 +107,20 @@ func ReadMetadata(directory string) (*Metadata, error) {
 }
 
 func WriteMetadata(directory string, metadata *Metadata) (error) {
-	file, err := os.OpenFile(
-		path.Join(directory, METADATA_FILENAME),
-		os.O_CREATE | os.O_RDWR, 0644,
-	)
+	data, err := toml.Marshal(metadata)
 	if err != nil { return err }
-
-	err = toml.NewEncoder(file).Encode(metadata)
+	err = os.WriteFile(path.Join(directory, METADATA_FILENAME), data, 0644)
 	return err
 }
 
 func DefaultMetadata() *Metadata {
 	return &Metadata{
 		Title: "Untitled Stream",
-		Date: time.Now().Format("2006-01-02"),
+		Date: toml.LocalDate{
+			Year: time.Now().Year(),
+			Month: int(time.Now().Month()),
+			Day: time.Now().Day(),
+		},
 		Part: 0,
 		Category: &Category{
 			Name: "Something",