109 lines
2.8 KiB
JavaScript
Executable File
109 lines
2.8 KiB
JavaScript
Executable File
#!/usr/bin/env babel-node
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import path from 'path'
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import sqlite from 'sqlite'
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import Promise from 'bluebird'
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import express from 'express'
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require('express-async-errors')
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const values = require(path.join(__dirname, 'values.json'))
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const tracksPerPage = 100
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const dbPromise = Promise.resolve()
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.then(() => sqlite.open(path.join(__dirname, values.database), { Promise, cache: true }))
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.then(db => db.migrate())
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const app = express()
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const port = process.env.PORT || 3000
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const router = express.Router()
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router.get('/tracks', async (req, res) => {
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let page = parseInt(req.query.page) || 1
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if (isNaN(page)) {
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page = 1
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}
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let db = await dbPromise
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let count = (await db.get('SELECT COUNT(*) FROM Track'))['COUNT(*)']
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let pageCount = Math.ceil(count / tracksPerPage)
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if (page > pageCount) page = pageCount
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let offset = (page - 1) * tracksPerPage
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let tracks = await db.all('SELECT * FROM Track LIMIT ? OFFSET ?', tracksPerPage, offset)
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for (let i in tracks) {
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delete tracks[i].file
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}
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res.jsonp({
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page, count, pageCount, tracks
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})
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})
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router.get('/tracks/search', async (req, res) => {
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let query = req.query.string
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let db = await dbPromise
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let tracks = await db.all('SELECT * FROM Track WHERE title || ifnull(artist,\'\') || ifnull(album,\'\') LIKE ? LIMIT 100', `%${query}%`)
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for (let i in tracks) {
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delete tracks[i].file
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}
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res.jsonp(tracks)
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})
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router.get('/track/:id', async (req, res, next) => {
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let id = req.params.id
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let db = await dbPromise
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let track = await db.get('SELECT * FROM Track WHERE id = ?', id)
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if (!track) return next(new Error('404 file not found'))
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delete track.file
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res.jsonp(track)
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})
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router.get('/playlists', async (req, res, next) => {
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let db = await dbPromise
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let playlists = await db.all('SELECT * FROM Playlist')
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res.jsonp(playlists)
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})
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router.get('/playlist/:id', async (req, res, next) => {
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let id = req.params.id
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let db = await dbPromise
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let playlist = await db.get('SELECT title FROM Playlist WHERE id = ?', id)
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if (!playlist) return next(new Error('404 file not found'))
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let tracks = await db.all('SELECT trackId FROM PlaylistEntry WHERE playlistId = ?', id)
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playlist.tracks = tracks
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res.jsonp(playlist)
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})
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router.get('/serve/by-id/:id', async (req, res, next) => {
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let id = req.params.id
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let db = await dbPromise
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let track = await db.get('SELECT file FROM Track WHERE id = ?', id)
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if (!track) return next(new Error('404 file not found'))
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res.set('Cache-Control', 'public, max-age=31557600')
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res.sendFile(path.resolve(track.file))
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})
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router.use((err, req, res, next) => {
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console.error(err)
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res.status(404).jsonp({error: 404})
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})
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app.use('/api', router)
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app.use('/', express.static(path.join(__dirname, 'public')))
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app.listen(port, '127.0.0.1', function () {
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console.log(`app running on port ${port}`)
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})
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