feat: Mail template management UI and API CRUD

- Added full CRUD endpoints for mail templates (create, update, delete, preview) - Introduced Joi validators for template create/update/preview - Updated routes/controller to support ID and type lookups - Built React Templates page with HTML editor, preview, and clipboard helpers - Added navigation entry and route for /templates - Enhanced documentation (README, QUICKSTART, KULLANIM, frontend/backend README)
2025-11-10 17:27:19 +03:00
parent dc16d0c549
commit 20191eb35d
11 changed files with 661 additions and 13 deletions
--- a/KULLANIM.md
+++ b/KULLANIM.md
@@ -123,6 +123,17 @@

 ## 📧 Mail Şablonları

+### Şablon Paneli (Yeni)
+
+1. **Menü:** Sol menüde `Mail Şablonları` sekmesine tıklayın  
+2. **Liste:** Aktif/pasif tüm şablonları görün, güncelleme tarihlerini takip edin  
+3. **Oluştur:** `Yeni Şablon` butonu ile HTML içeriği girebilir, template type tanımlayabilirsiniz  
+4. **Düzenle:** Her satırdaki `Düzenle` butonu ile şablon bilgilerini güncelleyin  
+5. **Önizleme:** `Önizleme` butonu ile şablonu gerçek verilerle render edip tam ekran görüntüleyin  
+6. **Sil:** Gereksiz şablonları `Sil` butonu ile kaldırın (tokenlarda kullanılanları değiştirmeyi unutmayın)  
+7. **Template Type Kopyalama:** Token oluştururken kullanmak için `Template Type` değerini kopyalayın  
+8. **Handlebars Değişkenleri:** Editörde `{{company_name}}`, `{{employee_name}}`, `{{tracking_url}}` değişkenlerini kullanın  
+
 ### Mevcut Şablonlar

 **1. Banka Bildirimi (`bank`)**
--- a/QUICKSTART.md
+++ b/QUICKSTART.md
@@ -95,6 +95,14 @@ Artık sistemin tüm özellikleri kullanıma hazır:
 - ✅ Telegram bildirimleri
 - ✅ Detaylı istatistikler

+## ✉️ Şablonları Özelleştir
+
+1. **Mail Şablonları** sayfasına git  
+2. `Yeni Şablon` ile kendi senaryonu oluştur  
+3. HTML alanında `{{company_name}}`, `{{employee_name}}`, `{{tracking_url}}` değişkenlerini kullan  
+4. `Önizleme` butonuyla gerçek örnek verilerle testi gör  
+5. Token oluştururken yeni template type'ı seçmeyi unutma
+
 ---

 ## 📚 Daha Fazla Bilgi
--- a/README.md
+++ b/README.md
@@ -10,6 +10,7 @@ Güvenlik farkındalık eğitimleri için basit ve etkili phishing test yönetim
 - 📊 **Detaylı İstatistikler** - IP, konum, cihaz bilgileri
 - 💾 **SQLite** - Tek dosya, kolay yedekleme
 - 🎨 **Modern UI** - React ile responsive admin paneli
+- ✉️ **Mail Şablonları** - HTML editör ve önizleme paneli

 ## 🚀 Hızlı Başlangıç

@@ -54,7 +55,7 @@ oltalama/
 │   ├── src/
 │   │   ├── services/     ✅ 5 servis (auth, company, token, stats, template)
 │   │   ├── context/      ✅ Auth context
-│   │   ├── pages/        ✅ 5 sayfa (Login, Dashboard, Companies, Tokens, Settings)
+│   │   ├── pages/        ✅ 6 sayfa (Login, Dashboard, Companies, Tokens, Templates, Settings)
 │   │   └── components/   ✅ Layout + Navigation
 └── devpan.md             ✅ Detaylı plan
 ```
@@ -163,8 +164,9 @@ curl http://localhost:3000/api/stats/dashboard
 **Core Pages:**
 - ✅ Login (Session-based auth)
 - ✅ Dashboard (Stats, recent clicks)
- ✅ Companies (CRUD, grid view)
- ✅ Tokens (Create & send, table view)
+- ✅ Companies (CRUD, grid view + detail)
+- ✅ Tokens (Create & send, detail & history)
+- ✅ Mail Şablonları (HTML editör + önizleme)
 - ✅ Settings (Gmail, Telegram config)

 **Components:**
--- a/backend/README.md
+++ b/backend/README.md
@@ -66,7 +66,11 @@ GET    /t/:token   - Tracking endpoint (IP, GeoIP, Telegram)
 ### Templates
 ```
 GET    /api/templates              - Tüm şablonlar
-GET    /api/templates/:type    - Şablon detay
+POST   /api/templates              - Yeni şablon oluştur
+GET    /api/templates/:id          - Şablon detay (ID)
+PUT    /api/templates/:id          - Şablon güncelle
+DELETE /api/templates/:id          - Şablon sil
+GET    /api/templates/type/:type   - Şablon (type ile)
 POST   /api/templates/preview      - Önizleme
 ```

--- a/backend/src/controllers/template.controller.js
+++ b/backend/src/controllers/template.controller.js
@@ -1,6 +1,11 @@
 const { MailTemplate } = require('../models');
 const mailService = require('../services/mail.service');

+const buildTemplateResponse = (template) => ({
+  success: true,
+  data: template,
+});
+
 // Get all templates
 exports.getAllTemplates = async (req, res, next) => {
  try {
@@ -17,6 +22,25 @@ exports.getAllTemplates = async (req, res, next) => {
  }
 };

+// Get template by ID
+exports.getTemplateById = async (req, res, next) => {
+  try {
+    const { id } = req.params;
+    const template = await MailTemplate.findByPk(id);
+
+    if (!template) {
+      return res.status(404).json({
+        success: false,
+        error: 'Template not found',
+      });
+    }
+
+    res.json(buildTemplateResponse(template));
+  } catch (error) {
+    next(error);
+  }
+};
+
 // Get template by type
 exports.getTemplateByType = async (req, res, next) => {
  try {
@@ -33,9 +57,71 @@ exports.getTemplateByType = async (req, res, next) => {
      });
    }

+    res.json(buildTemplateResponse(template));
+  } catch (error) {
+    next(error);
+  }
+};
+
+// Create template
+exports.createTemplate = async (req, res, next) => {
+  try {
+    const template = await MailTemplate.create(req.body);
+    res.status(201).json(buildTemplateResponse(template));
+  } catch (error) {
+    if (error.name === 'SequelizeUniqueConstraintError') {
+      return res.status(400).json({
+        success: false,
+        error: 'Bu template_type değeri zaten kullanılıyor.',
+      });
+    }
+    next(error);
+  }
+};
+
+// Update template
+exports.updateTemplate = async (req, res, next) => {
+  try {
+    const { id } = req.params;
+
+    const template = await MailTemplate.findByPk(id);
+    if (!template) {
+      return res.status(404).json({
+        success: false,
+        error: 'Template not found',
+      });
+    }
+
+    await template.update(req.body);
+    res.json(buildTemplateResponse(template));
+  } catch (error) {
+    if (error.name === 'SequelizeUniqueConstraintError') {
+      return res.status(400).json({
+        success: false,
+        error: 'Bu template_type değeri zaten kullanılıyor.',
+      });
+    }
+    next(error);
+  }
+};
+
+// Delete template
+exports.deleteTemplate = async (req, res, next) => {
+  try {
+    const { id } = req.params;
+
+    const template = await MailTemplate.findByPk(id);
+    if (!template) {
+      return res.status(404).json({
+        success: false,
+        error: 'Template not found',
+      });
+    }
+
+    await template.destroy();
    res.json({
      success: true,
-      data: template,
+      message: 'Template deleted successfully',
    });
  } catch (error) {
    next(error);
@@ -69,4 +155,3 @@ exports.previewTemplate = async (req, res, next) => {
 };

 module.exports = exports;
-
--- a/backend/src/routes/template.routes.js
+++ b/backend/src/routes/template.routes.js
@@ -2,13 +2,22 @@ const express = require('express');
 const router = express.Router();
 const templateController = require('../controllers/template.controller');
 const { requireAuth } = require('../middlewares/auth');
+const {
+  validateCreateTemplate,
+  validateUpdateTemplate,
+  validatePreviewTemplate,
+} = require('../validators/template.validator');

 // All template routes require authentication
 router.use(requireAuth);

 router.get('/', templateController.getAllTemplates);
-router.get('/:type', templateController.getTemplateByType);
-router.post('/preview', templateController.previewTemplate);
+router.post('/', validateCreateTemplate, templateController.createTemplate);
+router.get('/:id(\\d+)', templateController.getTemplateById);
+router.put('/:id(\\d+)', validateUpdateTemplate, templateController.updateTemplate);
+router.delete('/:id(\\d+)', templateController.deleteTemplate);
+router.get('/type/:type', templateController.getTemplateByType);
+router.post('/preview', validatePreviewTemplate, templateController.previewTemplate);

 module.exports = router;

--- a/backend/src/validators/template.validator.js
+++ b/backend/src/validators/template.validator.js
@@ -0,0 +1,63 @@
+const Joi = require('joi');
+
+const baseSchema = {
+  name: Joi.string().max(255).required(),
+  template_type: Joi.string().max(50).required(),
+  subject_template: Joi.string().max(500).allow('', null),
+  body_html: Joi.string().required(),
+  description: Joi.string().allow('', null),
+  active: Joi.boolean().default(true),
+};
+
+const createSchema = Joi.object(baseSchema);
+
+const updateSchema = Joi.object({
+  ...baseSchema,
+});
+
+const previewSchema = Joi.object({
+  template_html: Joi.string().required(),
+  company_name: Joi.string().allow('', null),
+  employee_name: Joi.string().allow('', null),
+});
+
+exports.validateCreateTemplate = (req, res, next) => {
+  const { error, value } = createSchema.validate(req.body, { abortEarly: false });
+  if (error) {
+    return res.status(400).json({
+      success: false,
+      error: 'Validation failed',
+      details: error.details.map((detail) => detail.message),
+    });
+  }
+  req.body = value;
+  next();
+};
+
+exports.validateUpdateTemplate = (req, res, next) => {
+  const { error, value } = updateSchema.validate(req.body, { abortEarly: false });
+  if (error) {
+    return res.status(400).json({
+      success: false,
+      error: 'Validation failed',
+      details: error.details.map((detail) => detail.message),
+    });
+  }
+  req.body = value;
+  next();
+};
+
+exports.validatePreviewTemplate = (req, res, next) => {
+  const { error, value } = previewSchema.validate(req.body, { abortEarly: false });
+  if (error) {
+    return res.status(400).json({
+      success: false,
+      error: 'Validation failed',
+      details: error.details.map((detail) => detail.message),
+    });
+  }
+  req.body = value;
+  next();
+};
+
+
--- a/frontend/README.md
+++ b/frontend/README.md
@@ -8,7 +8,7 @@ Modern ve responsive phishing test yönetim paneli frontend'i.
 - ⚡ **Vite** - Hızlı development server
 - 🔐 **Session Auth** - Context-based authentication
 - 📱 **Responsive** - Mobile-first tasarım
- 🎯 **5 Sayfa** - Login, Dashboard, Companies, Tokens, Settings
+- 🎯 **6 Sayfa** - Login, Dashboard, Companies, Tokens, Templates, Settings

 ## 🚀 Kurulum

@@ -47,6 +47,14 @@ npm run dev
 - Token oluştur + mail gönder
 - Durum badge'leri (Tıklandı/Bekliyor)
 - Tıklama sayısı tracking
+- Detay sayfası (tıklama geçmişi, IP & cihaz)
+
+### ✉️ Mail Şablonları
+- Tüm şablonların listesi (aktif/pasif)
+- HTML editörü + Handlebars değişkenleri
+- Önizleme (iframe) & tam ekran preview
+- Template type kopyalama, aktif/pasif toggle
+- Oluştur / Düzenle / Sil işlemleri

 ### ⚙️ Settings
 - Gmail yapılandırması
@@ -139,7 +147,8 @@ src/
 - ✅ Protected routes
 - ✅ Dashboard with stats
 - ✅ Company management (CRUD)
- ✅ Token management (CRUD + send)
+- ✅ Token management (CRUD + send + detay)
+- ✅ Mail templates (CRUD + preview)
 - ✅ Settings (Gmail + Telegram)
 - ✅ Responsive layout
 - ✅ Material-UI theming
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -8,6 +8,7 @@ import Companies from './pages/Companies';
 import CompanyDetail from './pages/CompanyDetail';
 import Tokens from './pages/Tokens';
 import TokenDetail from './pages/TokenDetail';
+import Templates from './pages/Templates';
 import Settings from './pages/Settings';

 const theme = createTheme({
@@ -56,6 +57,7 @@ function App() {
              <Route path="companies/:id" element={<CompanyDetail />} />
              <Route path="tokens" element={<Tokens />} />
              <Route path="tokens/:id" element={<TokenDetail />} />
+              <Route path="templates" element={<Templates />} />
              <Route path="settings" element={<Settings />} />
            </Route>
          </Routes>
--- a/frontend/src/components/Layout/Layout.jsx
+++ b/frontend/src/components/Layout/Layout.jsx
@@ -25,6 +25,7 @@ import {
  Settings,
  Logout,
  AccountCircle,
+  Email,
 } from '@mui/icons-material';
 import { useAuth } from '../../context/AuthContext';

@@ -34,6 +35,7 @@ const menuItems = [
  { text: 'Dashboard', icon: <Dashboard />, path: '/' },
  { text: 'Şirketler', icon: <Business />, path: '/companies' },
  { text: 'Tokenlar', icon: <TokenIcon />, path: '/tokens' },
+  { text: 'Mail Şablonları', icon: <Email />, path: '/templates' },
  { text: 'Ayarlar', icon: <Settings />, path: '/settings' },
 ];

--- a/frontend/src/pages/Templates.jsx
+++ b/frontend/src/pages/Templates.jsx
@@ -0,0 +1,453 @@
+import { useState, useEffect } from 'react';
+import {
+  Box,
+  Button,
+  Paper,
+  Typography,
+  Table,
+  TableBody,
+  TableCell,
+  TableContainer,
+  TableHead,
+  TableRow,
+  Chip,
+  CircularProgress,
+  Dialog,
+  DialogTitle,
+  DialogContent,
+  DialogActions,
+  TextField,
+  Switch,
+  FormControlLabel,
+  Tabs,
+  Tab,
+} from '@mui/material';
+import {
+  Add,
+  Edit,
+  Delete,
+  Preview,
+  ContentCopy,
+} from '@mui/icons-material';
+import { templateService } from '../services/templateService';
+import { format } from 'date-fns';
+
+const defaultForm = {
+  name: '',
+  template_type: '',
+  subject_template: '',
+  body_html: '',
+  description: '',
+  active: true,
+};
+
+function Templates() {
+  const [templates, setTemplates] = useState([]);
+  const [loading, setLoading] = useState(true);
+  const [form, setForm] = useState(defaultForm);
+  const [activeTab, setActiveTab] = useState('form');
+  const [dialogOpen, setDialogOpen] = useState(false);
+  const [previewOpen, setPreviewOpen] = useState(false);
+  const [previewHtml, setPreviewHtml] = useState('');
+  const [previewUrl, setPreviewUrl] = useState('');
+  const [previewLoading, setPreviewLoading] = useState(false);
+  const [selectedTemplate, setSelectedTemplate] = useState(null);
+  const [companyPlaceholder, setCompanyPlaceholder] = useState('Örnek Şirket');
+  const [employeePlaceholder, setEmployeePlaceholder] = useState('Ahmet Yılmaz');
+
+  useEffect(() => {
+    loadTemplates();
+  }, []);
+
+  const loadTemplates = async () => {
+    try {
+      setLoading(true);
+      const response = await templateService.getAll();
+      setTemplates(response.data);
+    } catch (error) {
+      console.error('Failed to load templates:', error);
+      alert('Şablonlar yüklenemedi');
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  const handleOpenCreate = () => {
+    setSelectedTemplate(null);
+    setForm(defaultForm);
+    setActiveTab('form');
+    setDialogOpen(true);
+  };
+
+  const handleOpenEdit = async (template) => {
+    setSelectedTemplate(template);
+    setForm({
+      name: template.name,
+      template_type: template.template_type,
+      subject_template: template.subject_template || '',
+      body_html: template.body_html,
+      description: template.description || '',
+      active: Boolean(template.active),
+    });
+    setActiveTab('form');
+    setDialogOpen(true);
+  };
+
+  const handleCloseDialog = () => {
+    setDialogOpen(false);
+    setSelectedTemplate(null);
+    if (previewUrl) {
+      URL.revokeObjectURL(previewUrl);
+      setPreviewUrl('');
+    }
+    setPreviewHtml('');
+    setActiveTab('form');
+  };
+
+  const handleSave = async () => {
+    try {
+      if (selectedTemplate) {
+        await templateService.update(selectedTemplate.id, form);
+        alert('Şablon güncellendi');
+      } else {
+        await templateService.create(form);
+        alert('Şablon oluşturuldu');
+      }
+      handleCloseDialog();
+      loadTemplates();
+    } catch (error) {
+      const message = error.response?.data?.error || 'Şablon kaydedilemedi';
+      alert(message);
+      console.error('Failed to save template:', error);
+    }
+  };
+
+  const handleDelete = async (template) => {
+    if (!window.confirm(`${template.name} şablonunu silmek istediğinizden emin misiniz?`)) {
+      return;
+    }
+    try {
+      await templateService.delete(template.id);
+      alert('Şablon silindi');
+      loadTemplates();
+    } catch (error) {
+      const message = error.response?.data?.error || 'Şablon silinemedi';
+      alert(message);
+      console.error('Failed to delete template:', error);
+    }
+  };
+
+  const handlePreview = async (htmlOverride, options = { openModal: false }) => {
+    try {
+      setPreviewLoading(true);
+      const htmlContent = htmlOverride ?? form.body_html;
+      if (!htmlContent) {
+        alert('Önizleme için HTML içeriği gerekli');
+        return;
+      }
+      const response = await templateService.preview({
+        template_html: htmlContent,
+        company_name: companyPlaceholder,
+        employee_name: employeePlaceholder,
+      });
+      const renderedHtml = response.data.data.rendered_html;
+      setPreviewHtml(renderedHtml);
+      if (previewUrl) {
+        URL.revokeObjectURL(previewUrl);
+      }
+      const blobUrl = URL.createObjectURL(new Blob([renderedHtml], { type: 'text/html' }));
+      setPreviewUrl(blobUrl);
+      setActiveTab('preview');
+      if (options.openModal) {
+        setPreviewOpen(true);
+      }
+    } catch (error) {
+      const message = error.response?.data?.error || 'Önizleme oluşturulamadı';
+      alert(message);
+      console.error('Failed to preview template:', error);
+    } finally {
+      setPreviewLoading(false);
+    }
+  };
+
+  const copyTemplateType = (value) => {
+    navigator.clipboard.writeText(value);
+    alert(`Template Type panoya kopyalandı: ${value}`);
+  };
+
+  useEffect(() => {
+    return () => {
+      if (previewUrl) {
+        URL.revokeObjectURL(previewUrl);
+      }
+    };
+  }, [previewUrl]);
+
+  if (loading) {
+    return (
+      <Box display="flex" justifyContent="center" alignItems="center" minHeight="400px">
+        <CircularProgress />
+      </Box>
+    );
+  }
+
+  return (
+    <Box>
+      <Box display="flex" justifyContent="space-between" alignItems="center" mb={3}>
+        <Typography variant="h4">Mail Şablonları</Typography>
+        <Button variant="contained" startIcon={<Add />} onClick={handleOpenCreate}>
+          Yeni Şablon
+        </Button>
+      </Box>
+
+      <TableContainer component={Paper}>
+        <Table>
+          <TableHead>
+            <TableRow>
+              <TableCell>Şablon Adı</TableCell>
+              <TableCell>Template Type</TableCell>
+              <TableCell>Durum</TableCell>
+              <TableCell>Güncelleme</TableCell>
+              <TableCell align="right">İşlemler</TableCell>
+            </TableRow>
+          </TableHead>
+          <TableBody>
+            {templates.map((template) => (
+              <TableRow key={template.id} hover>
+                <TableCell>
+                  <Typography fontWeight={600}>{template.name}</Typography>
+                  {template.description && (
+                    <Typography variant="body2" color="textSecondary">
+                      {template.description}
+                    </Typography>
+                  )}
+                </TableCell>
+                <TableCell>
+                  <Box display="flex" alignItems="center" gap={1}>
+                    <Chip
+                      label={template.template_type}
+                      color="primary"
+                      size="small"
+                    />
+                    <Button
+                      size="small"
+                      variant="outlined"
+                      startIcon={<ContentCopy fontSize="small" />}
+                      onClick={() => copyTemplateType(template.template_type)}
+                    >
+                      Kopyala
+                    </Button>
+                  </Box>
+                </TableCell>
+                <TableCell>
+                  <Chip
+                    label={template.active ? 'Aktif' : 'Pasif'}
+                    color={template.active ? 'success' : 'default'}
+                    size="small"
+                  />
+                </TableCell>
+                <TableCell>
+                  {format(new Date(template.updated_at), 'dd/MM/yyyy HH:mm')}
+                </TableCell>
+                <TableCell align="right">
+                  <Button
+                    size="small"
+                    startIcon={<Preview />}
+                    onClick={() => {
+                      setSelectedTemplate(template);
+                      setForm({
+                        name: template.name,
+                        template_type: template.template_type,
+                        subject_template: template.subject_template || '',
+                        body_html: template.body_html,
+                        description: template.description || '',
+                        active: Boolean(template.active),
+                      });
+                      setCompanyPlaceholder('Örnek Şirket');
+                      setEmployeePlaceholder('Ahmet Yılmaz');
+                      setActiveTab('preview');
+                      handlePreview(template.body_html, { openModal: true });
+                    }}
+                    sx={{ mr: 1 }}
+                  >
+                    Önizleme
+                  </Button>
+                  <Button
+                    size="small"
+                    startIcon={<Edit />}
+                    onClick={() => handleOpenEdit(template)}
+                    sx={{ mr: 1 }}
+                  >
+                    Düzenle
+                  </Button>
+                  <Button
+                    size="small"
+                    color="error"
+                    startIcon={<Delete />}
+                    onClick={() => handleDelete(template)}
+                  >
+                    Sil
+                  </Button>
+                </TableCell>
+              </TableRow>
+            ))}
+          </TableBody>
+        </Table>
+      </TableContainer>
+
+      <Dialog
+        open={dialogOpen}
+        onClose={handleCloseDialog}
+        maxWidth="md"
+        fullWidth
+      >
+        <DialogTitle>
+          {selectedTemplate ? 'Şablonu Düzenle' : 'Yeni Şablon Oluştur'}
+        </DialogTitle>
+        <DialogContent dividers>
+          <Tabs
+            value={activeTab}
+            onChange={(_, value) => setActiveTab(value)}
+            sx={{ mb: 2 }}
+          >
+            <Tab label="Form" value="form" />
+            <Tab label="Önizleme" value="preview" />
+          </Tabs>
+
+          {activeTab === 'form' && (
+            <Box display="flex" flexDirection="column" gap={2}>
+              <TextField
+                label="Şablon Adı"
+                fullWidth
+                required
+                value={form.name}
+                onChange={(e) => setForm({ ...form, name: e.target.value })}
+              />
+              <TextField
+                label="Template Type"
+                fullWidth
+                required
+                helperText="Örn: bank, government, internal"
+                value={form.template_type}
+                onChange={(e) => setForm({ ...form, template_type: e.target.value.trim().toLowerCase() })}
+              />
+              <TextField
+                label="Mail Konusu"
+                fullWidth
+                value={form.subject_template}
+                onChange={(e) => setForm({ ...form, subject_template: e.target.value })}
+              />
+              <TextField
+                label="Açıklama"
+                fullWidth
+                multiline
+                minRows={2}
+                value={form.description}
+                onChange={(e) => setForm({ ...form, description: e.target.value })}
+              />
+              <TextField
+                label="HTML İçeriği"
+                fullWidth
+                multiline
+                minRows={10}
+                value={form.body_html}
+                onChange={(e) => setForm({ ...form, body_html: e.target.value })}
+                helperText="Handlebars değişkenleri: {{company_name}}, {{employee_name}}, {{tracking_url}}"
+              />
+              <FormControlLabel
+                control={
+                  <Switch
+                    checked={form.active}
+                    onChange={(e) => setForm({ ...form, active: e.target.checked })}
+                  />
+                }
+                label="Aktif"
+              />
+            </Box>
+          )}
+
+          {activeTab === 'preview' && (
+            <Box display="flex" flexDirection="column" gap={2}>
+              <Box display="flex" gap={2}>
+                <TextField
+                  label="Şirket Adı"
+                  fullWidth
+                  value={companyPlaceholder}
+                  onChange={(e) => setCompanyPlaceholder(e.target.value)}
+                />
+                <TextField
+                  label="Çalışan Adı"
+                  fullWidth
+                  value={employeePlaceholder}
+                  onChange={(e) => setEmployeePlaceholder(e.target.value)}
+                />
+              </Box>
+              <Button
+                variant="outlined"
+                startIcon={<Preview />}
+                onClick={handlePreview}
+                disabled={previewLoading || !form.body_html}
+              >
+                {previewLoading ? 'Önizleme Oluşturuluyor...' : 'Önizleme Oluştur'}
+              </Button>
+              <Paper variant="outlined" sx={{ minHeight: 400 }}>
+                {previewHtml ? (
+                  <iframe
+                    title="template-preview"
+                    src={previewUrl}
+                    style={{ border: 'none', width: '100%', height: '600px' }}
+                  />
+                ) : (
+                  <Box
+                    display="flex"
+                    justifyContent="center"
+                    alignItems="center"
+                    minHeight="200px"
+                    color="text.secondary"
+                  >
+                    Önizleme için HTML içeriği girin ve \"Önizleme Oluştur\" butonuna basın
+                  </Box>
+                )}
+              </Paper>
+            </Box>
+          )}
+        </DialogContent>
+        <DialogActions>
+          <Button onClick={handleCloseDialog}>İptal</Button>
+          <Button onClick={handleSave} variant="contained" disabled={!form.name || !form.template_type || !form.body_html}>
+            Kaydet
+          </Button>
+        </DialogActions>
+      </Dialog>
+
+      <Dialog
+        open={previewOpen}
+        onClose={() => setPreviewOpen(false)}
+        maxWidth="lg"
+        fullWidth
+      >
+        <DialogTitle>Önizleme</DialogTitle>
+        <DialogContent dividers>
+          <iframe
+            title="template-preview-full"
+            src={previewUrl}
+            style={{ border: 'none', width: '100%', minHeight: '600px' }}
+          />
+        </DialogContent>
+        <DialogActions>
+          <Button
+            onClick={() => {
+              setPreviewOpen(false);
+            }}
+          >
+            Kapat
+          </Button>
+        </DialogActions>
+      </Dialog>
+    </Box>
+  );
+}
+
+export default Templates;
+
+