Add branded admin email creator

server/src/customEmailTemplate.js

@@ -0,0 +1,80 @@
+function esc(value) {
+  return String(value ?? '')
+    .replace(/&/g, '&')
+    .replace(/</g, '&lt;')
+    .replace(/>/g, '&gt;')
+    .replace(/"/g, '&quot;');
+}
+
+function lines(value) {
+  return esc(value).replace(/\r?\n/g, '<br>');
+}
+
+function paragraphBlocks(value) {
+  return String(value ?? '')
+    .split(/\r?\n\s*\r?\n/)
+    .filter(Boolean)
+    .map((paragraph, index, all) => `
+      <tr><td style="padding-bottom:${index === all.length - 1 ? 0 : 18}px;font-family:Arial,Helvetica,sans-serif;font-size:15px;line-height:25px;mso-line-height-rule:exactly;color:#5A544E;">
+        ${lines(paragraph)}
+      </td></tr>`)
+    .join('');
+}
+
+function ctaButton(url, label) {
+  if (!url || !label) return '';
+  return `
+    <table role="presentation" width="300" cellpadding="0" cellspacing="0" border="0" style="width:300px;border-collapse:collapse;mso-table-lspace:0pt;mso-table-rspace:0pt;">
+      <tr><td width="300" height="48" align="center" valign="middle" bgcolor="#C1272D" style="width:300px;height:48px;background-color:#C1272D;">
+        <a href="${esc(url)}" target="_blank" style="display:block;width:300px;line-height:48px;color:#FFFFFF;font-family:Arial,Helvetica,sans-serif;font-size:15px;font-weight:bold;text-align:center;text-decoration:none;">${esc(label)}</a>
+      </td></tr>
+    </table>`;
+}
+
+export function buildCustomEmail({ content, baseUrl }) {
+  const logoUrl = `${baseUrl}/assets/logo.jpg`;
+  const button = ctaButton(content.buttonUrl, content.buttonLabel);
+  const html = `<!doctype html>
+<html lang="fr" xmlns:o="urn:schemas-microsoft-com:office:office">
+<head>
+<meta charset="utf-8">
+<meta name="viewport" content="width=device-width, initial-scale=1">
+<title>${esc(content.subject)}</title>
+<!--[if mso]>
+<xml><o:OfficeDocumentSettings><o:AllowPNG/><o:PixelsPerInch>96</o:PixelsPerInch></o:OfficeDocumentSettings></xml>
+<style>table { border-collapse:collapse; } td { font-family:Arial,Helvetica,sans-serif; }</style>
+<![endif]-->
+</head>
+<body bgcolor="#F2EEE8" style="margin:0;padding:0;background-color:#F2EEE8;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%;">
+<table id="sbc-email-root" role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0" bgcolor="#F2EEE8" style="width:100%;background-color:#F2EEE8;border-collapse:collapse;mso-table-lspace:0pt;mso-table-rspace:0pt;">
+<tr><td align="center" valign="top" style="padding:36px 14px;">
+<!--[if mso]><table role="presentation" width="620" cellpadding="0" cellspacing="0" border="0"><tr><td><![endif]-->
+<table role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0" bgcolor="#FFFFFF" style="width:100%;max-width:620px;background-color:#FFFFFF;border:1px solid #E7E2DB;border-collapse:collapse;mso-table-lspace:0pt;mso-table-rspace:0pt;">
+  <tr><td bgcolor="#161514" style="background-color:#161514;padding:26px 40px;">
+    <table role="presentation" cellpadding="0" cellspacing="0" border="0" style="border-collapse:collapse;mso-table-lspace:0pt;mso-table-rspace:0pt;"><tr>
+      <td width="52" valign="middle"><img src="${esc(logoUrl)}" width="52" height="52" alt="SLUC Business Club Nancy" style="display:block;background-color:#FFFFFF;"></td>
+      <td valign="middle" style="padding-left:16px;">
+        <div style="font-family:Georgia,'Times New Roman',serif;font-size:20px;font-weight:bold;color:#FFFFFF;line-height:22px;">Business Club</div>
+        <div style="font-family:Arial,Helvetica,sans-serif;font-size:10px;letter-spacing:3px;text-transform:uppercase;color:#E0777A;font-weight:bold;line-height:16px;">SLUC Nancy</div>
+      </td>
+    </tr></table>
+  </td></tr>
+  <tr><td style="padding:40px 40px 16px;">
+    ${content.kicker ? `<table role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0"><tr><td style="padding-bottom:16px;font-family:Arial,Helvetica,sans-serif;font-size:11px;line-height:14px;letter-spacing:2.5px;text-transform:uppercase;color:#C1272D;font-weight:bold;">${esc(content.kicker)}</td></tr></table>` : ''}
+    <table role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0"><tr><td style="padding-bottom:22px;font-family:Georgia,'Times New Roman',serif;font-size:28px;line-height:34px;color:#1B1B1B;">${esc(content.title)}</td></tr></table>
+    <table role="presentation" width="100%" cellpadding="0" cellspacing="0" border="0" style="width:100%;border-collapse:collapse;mso-table-lspace:0pt;mso-table-rspace:0pt;">${paragraphBlocks(content.body)}</table>
+  </td></tr>
+  ${button ? `<tr><td align="center" style="padding:18px 40px 12px;">${button}</td></tr>` : ''}
+  ${content.signature ? `<tr><td style="padding:24px 40px 38px;font-family:Georgia,'Times New Roman',serif;font-size:16px;line-height:26px;color:#1B1B1B;">${lines(content.signature)}</td></tr>` : '<tr><td height="26" style="height:26px;line-height:26px;">&nbsp;</td></tr>'}
+  <tr><td bgcolor="#0F0E0D" style="background-color:#0F0E0D;padding:24px 40px;font-family:Arial,Helvetica,sans-serif;font-size:12px;color:#B7AFA6;line-height:22px;">
+    Business Club SLUC Nancy &middot; Palais des Sports Jean Weille, Nancy<br>
+    <a href="mailto:contact@sluc-businessclub.fr" style="color:#E0777A;text-decoration:none;">contact@sluc-businessclub.fr</a>
+  </td></tr>
+</table>
+<!--[if mso]></td></tr></table><![endif]-->
+</td></tr></table>
+</body>
+</html>`;
+
+  return { subject: content.subject, html };
+}

server/src/routes/admin.js

@@ -13,6 +13,7 @@ import {
   rencontrePasseeSchema,
   pastPhotoParam,
   emailComposeSchema,
+  customEmailSchema,
   idParam,
 } from '../schemas.js';
 import { imageUpload, saveImage, deleteImage } from '../uploads.js';
@@ -20,6 +21,7 @@ import { ensureMemberAccess } from '../memberAccess.js';
 import { createStaffUser, resetStaffAccess } from '../userAccess.js';
 import { AccessError } from '../errors.js';
 import { buildInvitationEmail } from '../emailTemplate.js';
+import { buildCustomEmail } from '../customEmailTemplate.js';
 
 export const adminRouter = Router();
 
@@ -270,6 +272,21 @@ adminRouter.get('/rencontres/:id/inscriptions', validate(idParam, 'params'), asy
   }
 });
 
+// General-purpose branded email composer, reserved to administrators.
+adminRouter.post('/emails/preview', adminOnly, validate(customEmailSchema), async (req, res, next) => {
+  try {
+    const { base, ...content } = req.data;
+    let baseUrl = `${req.protocol}://${req.get('host')}`;
+    if (base) {
+      const parsed = new URL(base);
+      if (parsed.protocol === 'http:' || parsed.protocol === 'https:') baseUrl = parsed.origin;
+    }
+    res.json(buildCustomEmail({ content, baseUrl }));
+  } catch (err) {
+    next(err);
+  }
+});
+
 // ---------- Rencontres passées (admin + moderator manage; admin-only delete) ----------
 // Powers the "Rencontres passées" section on the home page and its dedicated
 // public page. Participant count is derived from the linked rencontre's

server/src/schemas.js

@@ -105,3 +105,17 @@ export const emailComposeSchema = z.object({
   outro: z.string().trim().max(2000).optional(),
   signature: z.string().trim().max(500).optional(),
 });
+
+export const customEmailSchema = z.object({
+  base: z.string().trim().url().max(300).optional(),
+  subject: trimmed(200, 1),
+  kicker: trimmed(120).optional().default(''),
+  title: trimmed(200, 1),
+  body: trimmed(6000, 1),
+  buttonLabel: trimmed(100).optional().default(''),
+  buttonUrl: z.string().trim().url().max(500).or(z.literal('')).optional().default(''),
+  signature: trimmed(500).optional().default(''),
+}).refine((data) => Boolean(data.buttonLabel) === Boolean(data.buttonUrl), {
+  message: 'le texte et le lien du bouton doivent être renseignés ensemble',
+  path: ['buttonUrl'],
+});

web/src/components/admin/AdminEmail.jsx

@@ -0,0 +1,167 @@
+import { useEffect, useRef, useState } from 'react';
+import { api } from '../../lib/api.js';
+
+const INITIAL = {
+  subject: 'Actualités du Business Club SLUC Nancy',
+  kicker: 'Business Club · SLUC Nancy',
+  title: 'Votre titre ici',
+  body: "Bonjour,\n\nRédigez ici votre message. Vous pouvez créer plusieurs paragraphes en laissant une ligne vide.\n\nLe modèle conserve automatiquement l'identité visuelle du Business Club.",
+  buttonLabel: 'Découvrir',
+  buttonUrl: window.location.origin,
+  signature: "À très bientôt,\nL'équipe du Business Club SLUC Nancy",
+};
+
+function bodyFragment(html) {
+  return new DOMParser().parseFromString(html, 'text/html').body.innerHTML.trim();
+}
+
+function legacyCopy(html) {
+  const holder = document.createElement('div');
+  holder.contentEditable = 'true';
+  holder.style.cssText = 'position:fixed;left:-10000px;top:0;width:700px;opacity:0;pointer-events:none;';
+  holder.innerHTML = html;
+  document.body.appendChild(holder);
+  const range = document.createRange();
+  range.selectNodeContents(holder);
+  const selection = window.getSelection();
+  selection.removeAllRanges();
+  selection.addRange(range);
+  const copied = document.execCommand('copy');
+  selection.removeAllRanges();
+  holder.remove();
+  if (!copied) throw new Error('Rich copy failed');
+}
+
+export function EmailCreatorTab() {
+  const [form, setForm] = useState(INITIAL);
+  const [data, setData] = useState(null);
+  const [error, setError] = useState('');
+  const [copied, setCopied] = useState('');
+  const requestId = useRef(0);
+
+  useEffect(() => {
+    const id = ++requestId.current;
+    const timer = setTimeout(() => {
+      const completeButton = Boolean(form.buttonLabel && form.buttonUrl);
+      api.post('/api/admin/emails/preview', {
+        ...form,
+        base: window.location.origin,
+        buttonLabel: completeButton ? form.buttonLabel : '',
+        buttonUrl: completeButton ? form.buttonUrl : '',
+      })
+        .then((result) => {
+          if (requestId.current !== id) return;
+          setData(result);
+          setError('');
+        })
+        .catch((err) => {
+          if (requestId.current === id) setError(err.message);
+        });
+    }, 350);
+    return () => clearTimeout(timer);
+  }, [form]);
+
+  const onChange = (event) => setForm({ ...form, [event.target.name]: event.target.value });
+  const flash = (key) => {
+    setCopied(key);
+    setTimeout(() => setCopied(''), 1800);
+  };
+
+  const copyEmail = async () => {
+    try {
+      const fragment = bodyFragment(data.html);
+      if (navigator.clipboard?.write && window.ClipboardItem) {
+        await navigator.clipboard.write([
+          new window.ClipboardItem({
+            'text/html': new Blob([fragment], { type: 'text/html' }),
+            'text/plain': new Blob([`${form.subject}\n\n${form.body}`], { type: 'text/plain' }),
+          }),
+        ]);
+      } else {
+        legacyCopy(fragment);
+      }
+      flash('email');
+    } catch {
+      setError('La copie enrichie a échoué dans ce navigateur. Utilisez le téléchargement HTML.');
+    }
+  };
+
+  const copySubject = async () => {
+    try {
+      await navigator.clipboard.writeText(form.subject);
+      flash('subject');
+    } catch {
+      setError("Impossible de copier l'objet.");
+    }
+  };
+
+  const download = () => {
+    const blob = new Blob([data.html], { type: 'text/html' });
+    const url = URL.createObjectURL(blob);
+    const anchor = document.createElement('a');
+    const slug = form.subject.normalize('NFD').replace(/[\u0300-\u036f]/g, '').replace(/[^a-zA-Z0-9]+/g, '-').replace(/^-|-$/g, '').toLowerCase() || 'email';
+    anchor.href = url;
+    anchor.download = `${slug}.html`;
+    document.body.appendChild(anchor);
+    anchor.click();
+    anchor.remove();
+    setTimeout(() => URL.revokeObjectURL(url), 2000);
+  };
+
+  return (
+    <div className="hero-grid" style={{ display: 'grid', gridTemplateColumns: '360px minmax(0, 1fr)', gap: 26, alignItems: 'start' }}>
+      <div className="card" style={{ padding: 24, borderRadius: 6 }}>
+        <h2 className="serif" style={{ fontSize: 20, fontWeight: 600, marginBottom: 6 }}>Composer un e-mail</h2>
+        <p style={{ fontSize: 13, color: 'var(--gray-light)', lineHeight: 1.55, marginBottom: 20 }}>
+          Le logo, les couleurs et le pied de page sont ajoutés automatiquement.
+        </p>
+        <div style={{ display: 'flex', flexDirection: 'column', gap: 13 }}>
+          <label className="field">Objet
+            <input name="subject" value={form.subject} onChange={onChange} required maxLength={200} />
+          </label>
+          <label className="field">Surtitre
+            <input name="kicker" value={form.kicker} onChange={onChange} maxLength={120} placeholder="Facultatif" />
+          </label>
+          <label className="field">Titre
+            <input name="title" value={form.title} onChange={onChange} required maxLength={200} />
+          </label>
+          <label className="field">Message
+            <textarea name="body" value={form.body} onChange={onChange} rows={9} required maxLength={6000} />
+          </label>
+          <div style={{ borderTop: '1px solid var(--border-soft)', paddingTop: 14 }}>
+            <div style={{ fontSize: 12, fontWeight: 600, marginBottom: 10 }}>Bouton facultatif</div>
+            <div style={{ display: 'flex', flexDirection: 'column', gap: 10 }}>
+              <label className="field">Texte du bouton
+                <input name="buttonLabel" value={form.buttonLabel} onChange={onChange} maxLength={100} />
+              </label>
+              <label className="field">Lien du bouton
+                <input name="buttonUrl" type="url" value={form.buttonUrl} onChange={onChange} maxLength={500} placeholder="https://…" />
+              </label>
+            </div>
+          </div>
+          <label className="field">Signature
+            <textarea name="signature" value={form.signature} onChange={onChange} rows={3} maxLength={500} />
+          </label>
+        </div>
+        {error && <p className="error-text" style={{ marginTop: 12 }}>{error}</p>}
+        <div style={{ display: 'flex', flexDirection: 'column', gap: 8, marginTop: 20 }}>
+          <button className="btn btn-red" onClick={copyEmail} disabled={!data}>{copied === 'email' ? '✓ E-mail copié' : "Copier l'e-mail"}</button>
+          <button className="btn btn-outline-soft btn-sm" style={{ padding: 12 }} onClick={copySubject}>{copied === 'subject' ? '✓ Objet copié' : "Copier l'objet"}</button>
+          <button className="btn btn-outline-soft btn-sm" style={{ padding: 12 }} onClick={download} disabled={!data}>Télécharger le HTML</button>
+        </div>
+        <p style={{ fontSize: 11.5, color: 'var(--gray-light)', lineHeight: 1.5, marginTop: 14 }}>
+          Dans un brouillon Outlook, utilisez Ctrl + clic pour tester un lien. Après envoi, un clic normal suffit.
+        </p>
+      </div>
+
+      <div>
+        <div style={{ fontSize: 12.5, color: 'var(--gray-light)', marginBottom: 10 }}><strong style={{ color: 'var(--gray)' }}>Objet :</strong> {form.subject}</div>
+        <div style={{ border: '1px solid var(--border)', borderRadius: 6, overflow: 'hidden', background: '#F2EEE8' }}>
+          {data
+            ? <iframe title="Aperçu de l'e-mail" srcDoc={data.html} sandbox="" style={{ display: 'block', width: '100%', height: 720, border: 'none', background: '#F2EEE8' }} />
+            : <div style={{ height: 300, padding: 30, color: 'var(--gray-light)' }}>Génération de l'aperçu…</div>}
+        </div>
+      </div>
+    </div>
+  );
+}

web/src/pages/Admin.jsx

@@ -6,6 +6,7 @@ import { MembersTab, RencontresTab, InscriptionsTab } from '../components/admin/
 import { CategoriesTab, ContenuTab } from '../components/admin/AdminContent.jsx';
 import { PastEventsTab } from '../components/admin/AdminPast.jsx';
 import { UsersTab } from '../components/admin/AdminUsers.jsx';
+import { EmailCreatorTab } from '../components/admin/AdminEmail.jsx';
 
 // Moderators only get members/rencontres/inscriptions/rencontres passées
 // (create + edit, never delete) — everything else (dashboard, taxonomy,
@@ -19,6 +20,7 @@ const TABS = [
   { key: 'inscriptions', icon: '✎', label: 'Inscriptions', title: 'Inscriptions', roles: ['admin', 'moderator'] },
   { key: 'categories', icon: '☲', label: 'Catégories', title: 'Catégories', roles: ['admin'] },
   { key: 'contenu', icon: '▧', label: 'Contenu du site', title: 'Contenu du site', roles: ['admin'] },
+  { key: 'emails', icon: '✉', label: "Créateur d'e-mail", title: "Créateur d'e-mail", roles: ['admin'] },
   { key: 'utilisateurs', icon: '⚿', label: 'Administrateurs', title: 'Administrateurs & modérateurs', roles: ['admin'] },
 ];
 
@@ -150,6 +152,7 @@ export function AdminShell() {
           {tab === 'inscriptions' && <InscriptionsTab />}
           {tab === 'categories' && <CategoriesTab />}
           {tab === 'contenu' && <ContenuTab />}
+          {tab === 'emails' && <EmailCreatorTab />}
           {tab === 'utilisateurs' && <UsersTab />}
         </div>
       </div>