From c288bf7dfcb7bcc75b738e3d816849a5f266a584 Mon Sep 17 00:00:00 2001
From: apardods <antonio.pardo@invopop.com>
Date: Fri, 20 Dec 2024 11:12:10 +0000
Subject: [PATCH] Add Zugferd Opt

---
 goblhtml.go         | 7 +++++++
 internal/options.go | 2 ++
 2 files changed, 9 insertions(+)

diff --git a/goblhtml.go b/goblhtml.go
index 9f5f03b..5acfdda 100644
--- a/goblhtml.go
+++ b/goblhtml.go
@@ -92,6 +92,13 @@ func WithEmbeddedStylesheets() Option {
 	}
 }
 
+// WithZugferd adds the Zugferd XMP metadata to the HTML document.
+func WithZugferd() Option {
+	return func(o *internal.Opts) {
+		o.Zugferd = true
+	}
+}
+
 // Render takes the GOBL envelope and attempts to render an HTML document
 // from it.
 func Render(ctx context.Context, env *gobl.Envelope, opts ...Option) ([]byte, error) {
diff --git a/internal/options.go b/internal/options.go
index 9ff6844..b7437c4 100644
--- a/internal/options.go
+++ b/internal/options.go
@@ -36,6 +36,8 @@ type Opts struct {
 	// are contained inside the HTML output. This is useful for PDF
 	// output or to avoid additional requests.
 	EmbedStylesheets bool
+	// Zugferd when true, adds the Zugferd XMP metadata to the PDF.
+	Zugferd bool
 }
 
 // WithOptions prepares the context with the options to use.