feat: vue detail facture + restauration tracking git complet

backend/src/services/email.ts

@@ -0,0 +1,66 @@
+import nodemailer from 'nodemailer';
+import { decrypt } from '../crypto';
+
+export interface UserSmtpConfig {
+  smtp_host:       string;
+  smtp_port:       number;
+  smtp_secure:     boolean;
+  smtp_user:       string;
+  smtp_pass_enc:   string;
+  smtp_from_name:  string;
+  smtp_from_email: string;
+}
+
+function createTransporter(user: UserSmtpConfig) {
+  return nodemailer.createTransport({
+    host:   user.smtp_host,
+    port:   user.smtp_port,
+    secure: user.smtp_secure,
+    auth: {
+      user: user.smtp_user,
+      pass: decrypt(user.smtp_pass_enc),
+    },
+  });
+}
+
+/**
+ * Envoie la facture par email.
+ * Expéditeur = compte SMTP de l'utilisateur connecté.
+ * Destinataire = email de la société à rembourser.
+ */
+export async function sendInvoiceEmail(
+  user: UserSmtpConfig,
+  toEmail: string,
+  pdfAbsPath: string,
+  pdfFilename: string
+): Promise<void> {
+  const transporter = createTransporter(user);
+
+  await transporter.sendMail({
+    from:    `"${user.smtp_from_name}" <${user.smtp_from_email}>`,
+    to:      toEmail,
+    subject: 'Facture à rembourser',
+    text:    '',
+    attachments: [
+      {
+        filename:    pdfFilename,
+        path:        pdfAbsPath,
+        contentType: 'application/pdf',
+      },
+    ],
+  });
+}
+
+/**
+ * Email de test pour vérifier la config SMTP de l'utilisateur.
+ */
+export async function sendTestEmail(user: UserSmtpConfig): Promise<void> {
+  const transporter = createTransporter(user);
+
+  await transporter.sendMail({
+    from:    `"${user.smtp_from_name}" <${user.smtp_from_email}>`,
+    to:      user.smtp_from_email,
+    subject: '[NotesFrais] Test de configuration SMTP',
+    text:    'Votre configuration SMTP fonctionne correctement ✓',
+  });
+}