first commit

server/src/routes/cats.ts

@@ -0,0 +1,133 @@
+import { Router, Response } from 'express';
+import multer from 'multer';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import { queryOne, queryAll, execute } from '../db';
+import { authMiddleware, AuthRequest } from '../middleware/auth.js';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const uploadsDir = path.join(__dirname, '..', '..', 'uploads');
+
+const storage = multer.diskStorage({
+  destination: (_req, _file, cb) => cb(null, uploadsDir),
+  filename: (_req, file, cb) => {
+    const ext = path.extname(file.originalname);
+    cb(null, `${Date.now()}-${Math.random().toString(36).slice(2, 8)}${ext}`);
+  },
+});
+
+const upload = multer({
+  storage,
+  limits: { fileSize: 10 * 1024 * 1024 },
+  fileFilter: (_req, file, cb) => {
+    const allowed = ['.jpg', '.jpeg', '.png', '.gif', '.webp'];
+    const ext = path.extname(file.originalname).toLowerCase();
+    cb(null, allowed.includes(ext));
+  },
+});
+
+const router = Router();
+
+router.get('/', (req: AuthRequest, res: Response) => {
+  const page = Math.max(1, parseInt(req.query.page as string) || 1);
+  const limit = 12;
+  const offset = (page - 1) * limit;
+
+  const cats = queryAll(
+    `SELECT c.id, c.image_url, c.caption, c.created_at, c.user_id,
+            u.username, u.points AS user_points,
+            (SELECT COUNT(*) FROM likes WHERE cat_id = c.id) AS likes_count
+     FROM cats c
+     JOIN users u ON u.id = c.user_id
+     ORDER BY c.created_at DESC
+     LIMIT ? OFFSET ?`,
+    [limit, offset]
+  );
+
+  const countResult = queryOne('SELECT COUNT(*) as count FROM cats');
+  const total = countResult?.count || 0;
+
+  res.json({ cats, total, page, totalPages: Math.ceil(total / limit) });
+});
+
+router.get('/user/:userId', (req: AuthRequest, res: Response) => {
+  const userId = parseInt(req.params.userId);
+  const cats = queryAll(
+    `SELECT c.id, c.image_url, c.caption, c.created_at, c.user_id,
+            u.username, u.points AS user_points,
+            (SELECT COUNT(*) FROM likes WHERE cat_id = c.id) AS likes_count
+     FROM cats c
+     JOIN users u ON u.id = c.user_id
+     WHERE c.user_id = ?
+     ORDER BY c.created_at DESC`,
+    [userId]
+  );
+
+  res.json({ cats });
+});
+
+router.get('/:id', (req: AuthRequest, res: Response) => {
+  const cat = queryOne(
+    `SELECT c.id, c.image_url, c.caption, c.created_at, c.user_id,
+            u.username, u.points AS user_points,
+            (SELECT COUNT(*) FROM likes WHERE cat_id = c.id) AS likes_count
+     FROM cats c
+     JOIN users u ON u.id = c.user_id
+     WHERE c.id = ?`,
+    [req.params.id]
+  );
+
+  if (!cat) {
+    res.status(404).json({ error: 'Cat not found' });
+    return;
+  }
+
+  res.json({ cat });
+});
+
+router.post('/', authMiddleware, upload.single('image'), (req: AuthRequest, res: Response) => {
+  if (!req.file) {
+    res.status(400).json({ error: 'Image required (jpg, png, gif, webp, max 10MB)' });
+    return;
+  }
+
+  const caption = (req.body.caption || '').trim();
+  const image_url = `/uploads/${req.file.filename}`;
+
+  execute(
+    'INSERT INTO cats (user_id, image_url, caption) VALUES (?, ?, ?)',
+    [req.userId, image_url, caption]
+  );
+
+  execute('UPDATE users SET points = points + 10 WHERE id = ?', [req.userId]);
+
+  const cat = queryOne(
+    `SELECT c.id, c.image_url, c.caption, c.created_at, c.user_id,
+            u.username, u.points AS user_points,
+            0 AS likes_count
+     FROM cats c
+     JOIN users u ON u.id = c.user_id
+     WHERE c.id = (SELECT MAX(id) FROM cats WHERE user_id = ?)`,
+    [req.userId]
+  );
+
+  res.status(201).json({ cat });
+});
+
+router.delete('/:id', authMiddleware, (req: AuthRequest, res: Response) => {
+  const cat = queryOne('SELECT user_id FROM cats WHERE id = ?', [req.params.id]);
+  if (!cat) {
+    res.status(404).json({ error: 'Cat not found' });
+    return;
+  }
+  if (cat.user_id !== req.userId) {
+    res.status(403).json({ error: 'Not your cat' });
+    return;
+  }
+
+  execute('DELETE FROM likes WHERE cat_id = ?', [req.params.id]);
+  execute('DELETE FROM cats WHERE id = ?', [req.params.id]);
+  res.json({ ok: true });
+});
+
+export default router;