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