index and create todos and lists

routes/todos.js

@@ -0,0 +1,34 @@
+const express = require("express");
+const mongoose = require("mongoose");
+
+const router = express.Router();
+
+const TodoList = mongoose.model("TodoList");
+const Todo = mongoose.model("Todo");
+
+const asyncHelper = require("../asyncHelper");
+
+// index
+router.get(
+  "/",
+  asyncHelper(async (req, res) => {
+    const todos = await Todo.find({}).exec();
+    res.json(todos);
+  })
+);
+
+// create
+router.post(
+  "/",
+  asyncHelper(async (req, res) => {
+    const { text, listId } = req.body;
+    const list = await TodoList.findById(listId);
+    const todo = new Todo({ text, list: list._id });
+    await todo.save();
+    list.todos.push(todo.id);
+    await list.save();
+    res.json({ success: true });
+  })
+);
+
+module.exports = router;