Try two date formats as block name

file.go

@@ -41,7 +41,6 @@ type Block struct {
 	Parent   string
 }
 
-
 // ListItemV2 is way to convert from old structure to new structure
 type ListItemV2 struct {
 	ID       ID
@@ -127,24 +126,38 @@ func convertBlocksToListItems(current string, blocks BlockResponse, indent int)
 	return listItems
 }
 
+type titleOption struct {
+	date    bool
+	timeObj time.Time
+}
+
+
+// 1_januari_2021
+// 2021-01-01
+
 func (fp *FilePages) Get(name string) Page {
 	var sw stopwatch
 	sw.Start("Get " + name)
 	defer sw.Stop()
 
-	names := []string{name}
-
+	var names []string
+	date := false
+	t, err := time.Parse("2006-01-02", name)
+	if err == nil {
+		date = true
+		names = append(names, formatDateTitle(t), name)
+	}
 	for _, name := range names {
 		blocks, err := loadBlocks(fp.dirname, name)
 		if err != nil && errors.Is(err, BlockNotFound) {
 			continue
 		}
-		return fp.blocksBackendGet(name, blocks)
+		return fp.blocksBackendGet(name, blocks, titleOption{date, t})
 	}
 	return fp.oldPagesBackend(name)
 }
 
-func (fp *FilePages) blocksBackendGet(name string, blocks BlockResponse) Page {
+func (fp *FilePages) blocksBackendGet(name string, blocks BlockResponse, option titleOption) Page {
 	buf := bytes.Buffer{}
 	current := blocks.PageID
 	listItems := convertBlocksToListItems(current, blocks, 0)
@@ -162,9 +175,11 @@ func (fp *FilePages) blocksBackendGet(name string, blocks BlockResponse) Page {
 		refs = nil
 	}
 
+	title := formatTitle(blocks.Texts[name], option)
+
 	return Page{
 		Name:    name,
-		Title:   blocks.Texts[name],
+		Title:   title,
 		Content: buf.String(),
 		Refs:    refs,
 		Blocks:  blocks,
@@ -172,6 +187,13 @@ func (fp *FilePages) blocksBackendGet(name string, blocks BlockResponse) Page {
 	}
 }
 
+func formatTitle(title string, option titleOption) string {
+	if option.date {
+		return formatDateTitle(option.timeObj)
+	}
+	return title
+}
+
 func (fp *FilePages) oldPagesBackend(title string) Page {
 	name := strings.Replace(title, " ", "_", -1)
 	title = strings.Replace(title, "_", " ", -1)
@@ -418,7 +440,6 @@ func saveBlocksFromPage(dirname string, page Page) error {
 	return err
 }
 
-
 func loadBlocks(dirname, rootBlockID string) (BlockResponse, error) {
 	resp := BlockResponse{
 		rootBlockID,

util.go

@@ -99,6 +99,10 @@ func (sw *stopwatch) Stop() {
 
 func todayPage() string {
 	now := time.Now()
+	return formatDateTitle(now)
+}
+
+func formatDateTitle(date time.Time) string {
 	months := []string{
 		"",
 		"januari",
@@ -114,7 +118,7 @@ func todayPage() string {
 		"november",
 		"december",
 	}
-	return fmt.Sprintf("%d_%s_%d", now.Day(), months[now.Month()], now.Year())
+	return fmt.Sprintf("%d_%s_%d", date.Day(), months[date.Month()], date.Year())
 }
 
 func PageTitle(pageText string) (string, error) {