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61 lines
1.5 KiB
61 lines
1.5 KiB
const express = require('express')
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const fs = require('fs')
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const router = express.Router()
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const posts_dir = '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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if (req.query.sort === '-1' || req.query.sort === '1') {
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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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})
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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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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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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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