From 6bdc4cd8dd43678422c7917ef42acd0585b2ceb0 Mon Sep 17 00:00:00 2001
From: Topvennie <vincent@vallaeys.com>
Date: Wed, 29 Oct 2025 21:12:38 +0100
Subject: [PATCH] feat(zauth): send html mails

---
 go.mod            |  1 +
 go.sum            |  2 ++
 pkg/zauth/mail.go | 31 ++++++++++++++++++++++++++++++-
 3 files changed, 33 insertions(+), 1 deletion(-)

diff --git a/go.mod b/go.mod
index 9b5003c..9455185 100644
--- a/go.mod
+++ b/go.mod
@@ -133,6 +133,7 @@ require (
 	github.com/wasilibs/wazero-helpers v0.0.0-20240620070341-3dff1577cd52 // indirect
 	github.com/ydb-platform/ydb-go-genproto v0.0.0-20241112172322-ea1f63298f77 // indirect
 	github.com/ydb-platform/ydb-go-sdk/v3 v3.108.1 // indirect
+	github.com/yuin/goldmark v1.7.13 // indirect
 	github.com/ziutek/mymysql v1.5.4 // indirect
 	go.mongodb.org/mongo-driver v1.17.4 // indirect
 	go.opentelemetry.io/otel v1.38.0 // indirect
diff --git a/go.sum b/go.sum
index 89cee02..a0d7a79 100644
--- a/go.sum
+++ b/go.sum
@@ -456,6 +456,8 @@ github.com/ydb-platform/ydb-go-sdk/v3 v3.108.1/go.mod h1:l5sSv153E18VvYcsmr51hok
 github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d/go.mod h1:rHwXgn7JulP+udvsHwJoVG1YGAP6VLg4y9I5dyZdqmA=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.7.13 h1:GPddIs617DnBLFFVJFgpo1aBfe/4xcvMc3SB5t/D0pA=
+github.com/yuin/goldmark v1.7.13/go.mod h1:ip/1k0VRfGynBgxOz0yCqHrbZXhcjxyuS66Brc7iBKg=
 github.com/yusufpapurcu/wmi v1.2.4 h1:zFUKzehAFReQwLys1b/iSMl+JQGSCSjtVqQn9bBrPo0=
 github.com/yusufpapurcu/wmi v1.2.4/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
 github.com/ziutek/mymysql v1.5.4 h1:GB0qdRGsTwQSBVYuVShFBKaXSnSnYYC2d9knnE1LHFs=
diff --git a/pkg/zauth/mail.go b/pkg/zauth/mail.go
index 53e7b4f..3ff8d14 100644
--- a/pkg/zauth/mail.go
+++ b/pkg/zauth/mail.go
@@ -7,6 +7,10 @@ import (
 	"fmt"
 	"net/http"
 
+	"github.com/yuin/goldmark"
+	"github.com/yuin/goldmark/extension"
+	"github.com/yuin/goldmark/parser"
+	"github.com/yuin/goldmark/renderer/html"
 	"golang.org/x/oauth2"
 	"golang.org/x/oauth2/clientcredentials"
 )
@@ -27,9 +31,14 @@ func (c *client) MailAll(ctx context.Context, subject, content string) error {
 
 	client := conf.Client(ctx)
 
+	html, err := toHTML(content)
+	if err != nil {
+		return err
+	}
+
 	m := mail{
 		Subject: subject,
-		Content: content,
+		Content: html,
 		Author:  "Zeus WPI",
 	}
 	jsonBytes, err := json.Marshal(m)
@@ -55,3 +64,23 @@ func (c *client) MailAll(ctx context.Context, subject, content string) error {
 
 	return nil
 }
+
+func toHTML(content string) (string, error) {
+	md := goldmark.New(
+		goldmark.WithExtensions(extension.GFM),
+		goldmark.WithParserOptions(
+			parser.WithAutoHeadingID(),
+		),
+		goldmark.WithRendererOptions(
+			html.WithHardWraps(),
+			html.WithUnsafe(),
+		),
+	)
+
+	var buf bytes.Buffer
+	if err := md.Convert([]byte(content), &buf); err != nil {
+		return "", fmt.Errorf("convert markdown to html %s | %w", content, err)
+	}
+
+	return buf.String(), nil
+}