refactor: python to go

2025-11-15 19:57:35 -06:00
parent 778533b655
commit dcf48c94fd
31 changed files with 2990 additions and 554 deletions
--- a/internal/email/sender.go
+++ b/internal/email/sender.go
@@ -0,0 +1,60 @@
+package email
+
+import (
+  "fmt"
+
+  "github.com/wneessen/go-mail"
+  "landing/internal/config"
+)
+
+type Sender struct {
+  cfg *config.Config
+}
+
+func New(cfg *config.Config) *Sender {
+  return &Sender{cfg: cfg}
+}
+
+func (s *Sender) SendConfirmationEmail(
+  email string,
+  unsubscribeLink string,
+) error {
+  client, err := mail.NewClient(
+    s.cfg.SMTPHost,
+    mail.WithPort(587),
+    mail.WithSMTPAuth(mail.SMTPAuthPlain),
+    mail.WithUsername(s.cfg.SMTPUser),
+    mail.WithPassword(s.cfg.SMTPPass),
+  )
+  if err != nil {
+    return fmt.Errorf("failed to create mail client: %w", err)
+  }
+
+  msg := mail.NewMsg()
+  if err := msg.From(s.cfg.SMTPUser); err != nil {
+    return fmt.Errorf("failed to set from: %w", err)
+  }
+  if err := msg.To(email); err != nil {
+    return fmt.Errorf("failed to set to: %w", err)
+  }
+
+  msg.Subject("Thanks for subscribing!")
+
+  htmlBody := fmt.Sprintf(`
+    <html>
+    <body>
+      <h1>Welcome!</h1>
+      <p>Thank you for subscribing to our newsletter.</p>
+      <p><a href="%s">Unsubscribe</a></p>
+    </body>
+    </html>
+  `, unsubscribeLink)
+
+  msg.SetBodyString(mail.TypeTextHTML, htmlBody)
+
+  if err := client.DialAndSend(msg); err != nil {
+    return fmt.Errorf("failed to send email: %w", err)
+  }
+
+  return nil
+}