List all expenses

The last piece of the puzzle is getting the expenses.

We need to fill the /expenses endpoint stub, the last one missing:

app.get('/expenses', (req, res) => {
  /* */
})

This endpoint accepts the trip parameter, which like in the last lesson when we added an expense, it’s the _id property of a trip stored in the database.

app.get('/expenses', (req, res) => {
  expenses.find({trip: req.body.trip}).toArray((err, items) => {
    if (err) {
      console.error(err)
      res.status(500).json({ err: err })
      return
    }
    res.status(200).json({ trips: items })
  })
})

This Insomnia screenshot shows it at work:

You can find the complete code available at https://glitch.com/edit/#!/node-course-project-tripcost-e?path=server.js

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