Raymonzut
4 years ago
commit
8165d9fea7
5 changed files with 47 additions and 140 deletions
@ -0,0 +1 @@ |
||||
*.json |
||||
@ -0,0 +1,6 @@ |
||||
All the posts will be in here seperate in JSON format |
||||
|
||||
post |
||||
- title |
||||
- date |
||||
- content |
||||
@ -1,43 +1,61 @@ |
||||
const express = require('express') |
||||
const mongodb = require('mongodb') |
||||
const fs = require('fs') |
||||
|
||||
const router = express.Router() |
||||
|
||||
const DB_NAME = process.env.DB_NAME || 'test' |
||||
const URI = process.env.URI || 'mongodb://localhost:27017' |
||||
const posts_dir = 'posts/' |
||||
|
||||
async function getPostCollection() { |
||||
const client = await mongodb.MongoClient.connect(URI, { |
||||
useNewUrlParser: true, |
||||
useUnifiedTopology: true, |
||||
}) |
||||
return client.db(DB_NAME).collection('posts') |
||||
if (!fs.existsSync(posts_dir)) throw Error(`Missing ${posts_dir}`) |
||||
|
||||
let posts = readPosts(); |
||||
|
||||
setInterval(() => posts = readPosts(), 1000 * 60 * 60) |
||||
|
||||
function readPostsDelayed() { |
||||
return new Promise(setTimeout, 1000).then(posts = readPosts()) |
||||
} |
||||
|
||||
function readPosts() { |
||||
console.warn("reading all posts") |
||||
const files = fs.readdirSync(posts_dir) |
||||
|
||||
if (files.length === 0) throw Error(`Could not find posts in ${posts_dir}`) |
||||
|
||||
return files.filter(file_name => file_name.endsWith('.json')) |
||||
.map(file_name => `${posts_dir}${file_name}`) |
||||
.map(readJSONAsObject) |
||||
} |
||||
|
||||
function readJSONAsObject(filename) { |
||||
return JSON.parse(fs.readFileSync(filename, 'utf8')) |
||||
} |
||||
|
||||
function notFoundResponse(res) { |
||||
res.status(404).send('Sorry, can not find that') |
||||
} |
||||
|
||||
router.get('/', async (req, res) => { |
||||
const posts = await getPostCollection() |
||||
if (req.query.sort === '-1' || req.query.sort === '1') { |
||||
res.send( |
||||
await posts |
||||
.find({}) |
||||
.sort({ date: parseInt(req.query.sort) }) |
||||
.toArray() |
||||
) |
||||
return |
||||
const posts_sorted = posts.sort((a, b) => { |
||||
return new Date(a.date).getTime() - new Date(b.date).getTime() |
||||
}) |
||||
|
||||
if (req.query.sort === '1') res.send(posts_sorted)
|
||||
else res.send(posts_sorted.reverse()) |
||||
} |
||||
res.send(await posts.find({}).toArray()) |
||||
}) |
||||
|
||||
router.get('/:id', async (req, res) => { |
||||
const re = /[0-9A-Fa-f]{24}/g |
||||
|
||||
if (!re.test(req.params.id)) { |
||||
res.status(404).send('Sorry, can not find that') |
||||
notFoundResponse(res) |
||||
return |
||||
} |
||||
const results = posts.filter(post => post._id === req.params.id) |
||||
|
||||
const posts = await getPostCollection() |
||||
res.send(await posts.find({ _id: mongodb.ObjectID(req.params.id) }).toArray()) |
||||
if (!results.length) notFoundResponse(res)
|
||||
else res.send(results[0]) |
||||
}) |
||||
|
||||
module.exports = router |
||||
|
||||
Loading…
Reference in new issue