Redesign UserMenu, now with support for Gravatar

core/gravatar/gravatar.go

@@ -0,0 +1,25 @@
+package gravatar
+
+import (
+	"crypto/md5"
+	"fmt"
+	"strings"
+
+	"github.com/deluan/navidrome/utils"
+)
+
+const baseUrl = "https://www.gravatar.com/avatar"
+const defaultSize = 80
+const maxSize = 2048
+
+func Url(email string, size int) string {
+	email = strings.ToLower(email)
+	email = strings.TrimSpace(email)
+	hash := md5.Sum([]byte(email))
+	if size < 1 {
+		size = defaultSize
+	}
+	size = utils.MinInt(maxSize, size)
+
+	return fmt.Sprintf("%s/%x?s=%d", baseUrl, hash, size)
+}