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server.js
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server.js
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const express = require("express")
const app = express()
const logger = require("./logger")
const lodgings = require("./lodgings.json")
app.use(express.json())
app.use(logger)
app.get("/lodgings", function (req, res, next) {
console.log(" -- req.query:", req.query)
let page = parseInt(req.query.page) || 1
const pageSize = 10
const lastPage = Math.ceil(lodgings.length / pageSize)
page = (page < 1) ? 1 : page
page = (page > lastPage) ? lastPage : page
const start = (page - 1) * pageSize
const end = start + pageSize
const lodgingsPage = lodgings.slice(start, end)
const links = {}
if (page < lastPage) {
links.nextPage = `/lodgings?page=${page + 1}`
links.lastPage = `/lodgings?page=${lastPage}`
}
if (page > 1) {
links.prevPage = `/lodgings?page=${page - 1}`
links.firstPage = `/lodgings?page=1`
}
res.status(200).send({
lodgings: lodgingsPage,
page: page,
pageSize: pageSize,
lastPage: lastPage,
total: lodgings.length,
links: links
})
})
app.post("/lodgings", function (req, res, next) {
console.log(" -- req.body:", req.body)
if (req.body && req.body.name && req.body.price) {
// Store data from req.body
res.status(201).send({
id: lodgings.length
})
} else {
res.status(400).send({
err: "Request needs a JSON body with `name` and `price`"
})
}
})
app.get("/lodgings/:id", function (req, res, next) {
console.log(" -- req.params:", req.params)
const id = req.params.id
if (lodgings[id]) {
res.status(200).send(lodgings[id])
} else {
next()
}
})
app.use("*", function (req, res, next) {
res.status(404).send({
err: `Requested URL doesn't exist: ${req.originalUrl}`
})
})
// app.post()
// app.patch()
// app.delete()
app.listen(8000, function () {
console.log("== Server is listening on port 8000")
})