Add Veri*factu invoice and new layout for displaying QRs at the top

components/bill/invoice/invoice.templ

@@ -23,11 +23,14 @@ import (
 templ Invoice(env *gobl.Envelope, inv *bill.Invoice) {
 	// Footer needs to be at the top to show on all pages
 	<article class="invoice">
-		<header>
+		<header class={ headerClass(env) }>
 			<div class="details">
 				@title(inv)
 				@summary(inv)
 			</div>
+			// Spanish QRs
+			@es.VerifactuQR(env)
+			@es.TicketBAIQR(env)
 			<div class="contacts">
 				@supplier(inv)
 				if inv.Customer != nil {
@@ -44,7 +47,6 @@ templ Invoice(env *gobl.Envelope, inv *bill.Invoice) {
 		@notes(inv)
 		<div class="extensions">
 			// Region specific information
-			@es.TicketBAIQR(env)
 			@co.DIANQR(env, inv)
 			@mx.CFDI(env, inv)
 			@pl.KSeFQR(env)
@@ -120,3 +122,15 @@ func code(series, code cbc.Code) string {
 	}
 	return fmt.Sprintf("%s-%s", series, code)
 }
+
+func hasHeaderQR(env *gobl.Envelope) bool {
+	return es.HasVerifactuQR(env) || es.HasTicketBAIQR(env)
+}
+
+func headerClass(env *gobl.Envelope) string {
+	if hasHeaderQR(env) {
+		return "with-qr"
+	}
+
+	return "regular"
+}

components/bill/invoice/line_support.go

@@ -41,12 +41,12 @@ func prepareLineSupport(inv *bill.Invoice) *lineSupport {
 		}
 	}
 	for _, row := range inv.Discounts {
-		if row.Ref != "" {
+		if row.Code != "" {
 			ls.refs = true
 		}
 	}
 	for _, row := range inv.Charges {
-		if row.Ref != "" {
+		if row.Code != "" {
 			ls.refs = true
 		}
 	}

components/bill/invoice/lines.templ

@@ -2,10 +2,9 @@ package invoice
 
 import (
 	"fmt"
-
-	"github.com/invopop/gobl/bill"
-	"github.com/invopop/gobl.html/components/t"
 	"github.com/invopop/gobl.html/components/regimes/mx"
+	"github.com/invopop/gobl.html/components/t"
+	"github.com/invopop/gobl/bill"
 )
 
 templ lines(inv *bill.Invoice) {
@@ -191,8 +190,8 @@ templ discountRow(row *bill.Discount, ls *lineSupport) {
 		</td>
 		if ls.refs {
 			<td class="ref">
-				if row.Ref != "" {
-					{ row.Ref }
+				if row.Code != "" {
+					{ row.Code.String() }
 				} else {
 					<!-- empty -->
 				}
@@ -262,8 +261,8 @@ templ chargeRow(row *bill.Charge, ls *lineSupport) {
 		</td>
 		if ls.refs {
 			<td class="ref">
-				if row.Ref != "" {
-					{ row.Ref }
+				if row.Code != "" {
+					{ row.Code.String() }
 				} else {
 					<!-- empty -->
 				}