Festpreis-Input-Fix, Archiv-Teilen (read-only)

backend/src/tools/kalkulator3d/routes.js

@@ -8,24 +8,62 @@ router.get('/', authenticate, (req, res) => {
   const uid = req.user.id;
   const items = db.prepare('SELECT * FROM calculations WHERE user_id=? ORDER BY created_at DESC').all(uid);
 
-  // Prüfen welche Modelle Dateien haben: Unterordner von "3D-Modelle" mit Dateien
   const baseFolder = db.prepare(
     "SELECT id FROM folders WHERE user_id=? AND name='3D-Modelle' AND parent_id IS NULL"
   ).get(uid);
-
   let filesMap = {};
   if (baseFolder) {
     const rows = db.prepare(`
-      SELECT f.name, COUNT(fi.id) AS cnt
-      FROM folders f
+      SELECT f.name, COUNT(fi.id) AS cnt FROM folders f
       LEFT JOIN files fi ON fi.folder_id = f.id
-      WHERE f.parent_id = ? AND f.user_id = ?
-      GROUP BY f.id
+      WHERE f.parent_id = ? AND f.user_id = ? GROUP BY f.id
     `).all(baseFolder.id, uid);
     for (const r of rows) filesMap[r.name] = r.cnt > 0;
   }
 
-  res.json(items.map(i => ({ ...i, has_files: !!filesMap[i.name] })));
+  // Geteilt mit mir
+  const shared = db.prepare(`
+    SELECT c.*, u.username as owner_name, 1 as is_shared
+    FROM calculations c
+    JOIN calculation_shares cs ON cs.calc_id = c.id
+    JOIN users u ON u.id = c.user_id
+    WHERE cs.shared_with = ?
+    ORDER BY c.created_at DESC
+  `).all(uid);
+
+  res.json({
+    own:    items.map(i => ({ ...i, has_files: !!filesMap[i.name] })),
+    shared: shared,
+  });
+});
+
+// Share-Management
+router.get('/:id/shares', authenticate, (req, res) => {
+  const calc = db.prepare('SELECT * FROM calculations WHERE id=? AND user_id=?').get(req.params.id, req.user.id);
+  if (!calc) return res.status(404).json({ error: 'Nicht gefunden' });
+  res.json(db.prepare(`
+    SELECT u.id, u.username, cs.created_at as shared_at
+    FROM calculation_shares cs JOIN users u ON u.id = cs.shared_with
+    WHERE cs.calc_id = ?
+  `).all(calc.id));
+});
+
+router.post('/:id/share', authenticate, (req, res) => {
+  const calc = db.prepare('SELECT * FROM calculations WHERE id=? AND user_id=?').get(req.params.id, req.user.id);
+  if (!calc) return res.status(404).json({ error: 'Nicht gefunden' });
+  const target = db.prepare('SELECT * FROM users WHERE username=?').get(req.body.username);
+  if (!target) return res.status(404).json({ error: 'Benutzer nicht gefunden' });
+  if (target.id === req.user.id) return res.status(400).json({ error: 'Kann nicht mit dir selbst teilen' });
+  db.prepare("INSERT OR IGNORE INTO calculation_shares (calc_id, shared_by, shared_with, created_at) VALUES (?,?,?,datetime('now','localtime'))")
+    .run(calc.id, req.user.id, target.id);
+  res.json({ ok: true });
+});
+
+router.delete('/:id/share/:userId', authenticate, (req, res) => {
+  const calc = db.prepare('SELECT * FROM calculations WHERE id=? AND user_id=?').get(req.params.id, req.user.id);
+  if (!calc) return res.status(404).json({ error: 'Nicht gefunden' });
+  db.prepare('DELETE FROM calculation_shares WHERE calc_id=? AND shared_with=?').run(calc.id, req.params.userId);
+  res.json({ ok: true });
 });
 
 router.post('/', authenticate, (req, res) => {