Added files of the Todo app

Backend/routes/todos.js

@@ -0,0 +1,92 @@
+import express from 'express';
+import Todo from '../models/Todo.js';
+
+const router = express.Router();
+
+// Get todos for a specific date
+router.get('/', async (req, res) => {
+  try {
+    const { date } = req.query;
+    let query = { userId: req.user._id };
+
+    if (date) {
+      const startDate = new Date(date);
+      const endDate = new Date(date);
+      endDate.setDate(endDate.getDate() + 1);
+      
+      query.dueDate = {
+        $gte: startDate,
+        $lt: endDate
+      };
+    }
+
+    const todos = await Todo.find(query).sort({ createdAt: -1 });
+    res.json(todos);
+  } catch (error) {
+    res.status(500).json({ message: 'Server error', error: error.message });
+  }
+});
+
+// Create new todo
+router.post('/', async (req, res) => {
+  try {
+    const { title, description, priority, dueDate } = req.body;
+
+    const todo = new Todo({
+      title,
+      description,
+      priority,
+      dueDate: new Date(dueDate),
+      userId: req.user._id
+    });
+
+    await todo.save();
+    res.status(201).json(todo);
+  } catch (error) {
+    res.status(500).json({ message: 'Server error', error: error.message });
+  }
+});
+
+// Update todo
+router.put('/:id', async (req, res) => {
+  try {
+    const { id } = req.params;
+    const updates = req.body;
+
+    const todo = await Todo.findOneAndUpdate(
+      { _id: id, userId: req.user._id },
+      updates,
+      { new: true }
+    );
+
+    if (!todo) {
+      return res.status(404).json({ message: 'Todo not found' });
+    }
+
+    res.json(todo);
+  } catch (error) {
+    res.status(500).json({ message: 'Server error', error: error.message });
+  }
+});
+
+// Delete todo
+router.delete('/:id', async (req, res) => {
+  try {
+    const { id } = req.params;
+
+    const todo = await Todo.findOneAndDelete({
+      _id: id,
+      userId: req.user._id
+    });
+
+    if (!todo) {
+      return res.status(404).json({ message: 'Todo not found' });
+    }
+
+    res.json({ message: 'Todo deleted successfully' });
+  } catch (error) {
+    res.status(500).json({ message: 'Server error', error: error.message });
+  }
+});
+
+export default router;