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import express, { Request, Response } from 'express';
import mongoose, { Document, Model } from 'mongoose';

// Define a Mongoose schema and model
interface Item extends Document {
  timestamp: Date;
  name: string;
}

const itemSchema = new mongoose.Schema({
  timestamp: { type: Date, default: Date.now },
  name: String,
});

const ItemModel: Model<Item> = mongoose.model('Item', itemSchema);

const app = express();
const port = 3000;

app.use(express.json());

// Create a new item
app.post('/items', async (req: Request, res: Response) => {
  try {
    const newItem = new ItemModel(req.body);
    await newItem.save();
    res.json(newItem);
  } catch (error) {
    res.status(500).json({ error: 'Could not create the item' });
  }
});

// Get all items sorted by timestamp (ascending)
app.get('/items', async (req: Request, res: Response) => {
  try {
    const items = await ItemModel.find().sort({ timestamp: 1 });
    res.json(items);
  } catch (error) {
    res.status(500).json({ error: 'Could not retrieve items' });
  }
});

// Start the server
app.listen(port, () => {
  console.log(`Server is running on port ${port}`);
});

mongoose.connect('mongodb://localhost/sort-api', {
  useNewUrlParser: true,
  useUnifiedTopology: true,
});

const db = mongoose.connection;
db.on('error', console.error.bind(console, 'Connection error:'));
db.once('open', () => {
  console.log('Connected to the database');
});