remove lists

app.js

@@ -44,15 +44,21 @@ app.use((req, res) => {
 });
 
 // handle errors
-app.use((err, req, res, next) => {
-  if (err.name === 'ValidationError') {
-    res.status(400);
-    res.json({ success: false, error: err });
-  } else {
-    res.status(500);
-    res.json({ success: false, error: err });
+app.use((error, req, res, next) => {
+  switch (error.name) {
+    case 'ValidationError':
+      res.status(400);
+      res.json({ success: false, error });
+      break;
+    case 'NotFound':
+      res.status(404);
+      res.json({ success: false, error });
+      break;
+    default:
+      res.status(500);
+      res.json({ success: false, error });
   }
-  next(err);
+  next(error);
 });
 
 app.listen(process.env.PORT, () => {

errors/index.js

@@ -0,0 +1,9 @@
+class NotFoundError extends Error {
+  constructor(...args) {
+    super(...args);
+    Error.captureStackTrace(this, NotFoundError);
+    this.name = 'NotFound';
+  }
+}
+
+module.exports = { NotFoundError };

package.json

@@ -6,7 +6,7 @@
   "main": "app.js",
   "scripts": {
     "start": "node ./app.js",
-    "start-mon": "npx nodemon --inspect ./app.js",
+    "debug": "npx nodemon --inspect ./app.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "author": "",

routes/lists.js

@@ -3,6 +3,8 @@ const mongoose = require('mongoose');
 
 const router = express.Router();
 
+const { NotFoundError } = require('../errors');
+
 const TodoList = mongoose.model('TodoList');
 
 const asyncHelper = require('../asyncHelper');
@@ -29,4 +31,21 @@ router.post(
   }),
 );
 
+router.delete(
+  '/:id',
+  asyncHelper(async (req, res) => {
+    const { id } = req.params;
+    const list = await TodoList.findById(id)
+      .populate('todos')
+      .exec();
+    if (!list) {
+      throw new NotFoundError();
+    }
+    list.todos.forEach((todo) => {
+      todo.remove();
+    });
+    list.remove();
+    res.json({ success: true });
+  }),
+);
 module.exports = router;