Parse dates from page filenames

main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"log"
+	"path/filepath"
 	"time"
 )
 
@@ -46,13 +47,23 @@ type Page struct {
 }
 
 func NewPage(path string, content string) *Page {
-	// TODO: Parse date from path name
-	permalink := "/" + path
-	return &Page{
+	page := &Page{
 		Path:      path,
-		Permalink: permalink,
+		Permalink: "/" + path,
 		Content:   content,
 	}
+
+	// Try to parse the date from the page filename
+	const layout = "2006-01-02"
+	base := filepath.Base(path)
+	if len(base) >= len(layout) {
+		dateStr := base[:len(layout)]
+		if date, err := time.Parse(layout, dateStr); err == nil {
+			page.Date = date
+		}
+	}
+
+	return page
 }
 
 // Section represents a section (i.e., a directory).