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Diffstat (limited to 'src/http-music.js')
| -rwxr-xr-x | src/http-music.js | 404 |
1 files changed, 0 insertions, 404 deletions
diff --git a/src/http-music.js b/src/http-music.js deleted file mode 100755 index 04d1f57..0000000 --- a/src/http-music.js +++ /dev/null @@ -1,404 +0,0 @@ -#!/usr/bin/env node - -'use strict' - -const { promisify } = require('util') -const clone = require('clone') -const fs = require('fs') -const fetch = require('node-fetch') -const pickers = require('./pickers') -const loopPlay = require('./loop-play') -const processArgv = require('./process-argv') - -const { - filterPlaylistByPathString, removeGroupByPathString, getPlaylistTreeString, - updatePlaylistFormat -} = require('./playlist-utils') - -const readFile = promisify(fs.readFile) -const writeFile = promisify(fs.writeFile) - -function downloadPlaylistFromURL(url) { - return fetch(url).then(res => res.text()) -} - -function downloadPlaylistFromLocalPath(path) { - return readFile(path) -} - -function downloadPlaylistFromOptionValue(arg) { - // TODO: Verify things! - if (arg.startsWith('http://') || arg.startsWith('https://')) { - return downloadPlaylistFromURL(arg) - } else { - return downloadPlaylistFromLocalPath(arg) - } -} - -// Let this forever be of use to people who run into -// maxlistenersexceededwarning. -process.on('warning', e => console.warn(e.stack)) - -Promise.resolve() - .then(async () => { - let sourcePlaylist = null - let activePlaylist = null - - let pickerType = 'shuffle' - let playOpts = [] - - // WILL play says whether the user has forced playback via an argument. - // SHOULD play says whether the program has automatically decided to play - // or not, if the user hasn't set WILL play. - let shouldPlay = true - let willPlay = null - - async function openPlaylist(arg, silent = false) { - let playlistText - - if (!silent) { - console.log("Opening playlist from: " + arg) - } - - try { - playlistText = await downloadPlaylistFromOptionValue(arg) - } catch(err) { - if (!silent) { - console.error("Failed to open playlist file: " + arg) - console.error(err) - } - - return false - } - - const openedPlaylist = updatePlaylistFormat(JSON.parse(playlistText)) - - // The active playlist is a clone of the source playlist; after all it's - // quite possible we'll be messing with the value of the active playlist, - // and we don't want to reflect those changes in the source playlist. - sourcePlaylist = openedPlaylist - activePlaylist = clone(openedPlaylist) - - processArgv(openedPlaylist.options, optionFunctions) - } - - function requiresOpenPlaylist() { - if (activePlaylist === null) { - throw new Error( - "This action requires an open playlist - try --open (file)" - ) - } - } - - const optionFunctions = { - '-help': function(util) { - // --help (alias: -h, -?) - // Presents a help message. - - console.log('http-music\nTry man http-music!') - - if (util.index === util.argv.length - 1) { - shouldPlay = false - } - }, - - 'h': util => util.alias('-help'), - '?': util => util.alias('-help'), - - '-open-playlist': async function(util) { - // --open-playlist <file> (alias: --open, -o) - // Opens a separate playlist file. - // This sets the source playlist. - - await openPlaylist(util.nextArg()) - }, - - '-open': util => util.alias('-open-playlist'), - 'o': util => util.alias('-open-playlist'), - - '-write-playlist': function(util) { - // --write-playlist <file> (alias: --write, -w, --save) - // Writes the active playlist to a file. This file can later be used - // with --open <file>; you won't need to stick in all the filtering - // options again. - - requiresOpenPlaylist() - - const playlistString = JSON.stringify(activePlaylist, null, 2) - const file = util.nextArg() - - console.log(`Saving playlist to file ${file}...`) - - return writeFile(file, playlistString).then(() => { - console.log("Saved.") - - // If this is the last option, the user probably doesn't actually - // want to play the playlist. (We need to check if this is len - 2 - // rather than len - 1, because of the <file> option that comes - // after --write-playlist.) - if (util.index === util.argv.length - 2) { - shouldPlay = false - } - }) - }, - - '-write': util => util.alias('-write-playlist'), - 'w': util => util.alias('-write-playlist'), - '-save': util => util.alias('-write-playlist'), - - '-print-playlist': function(util) { - // --print-playlist (alias: --log-playlist, --json) - // Prints out the JSON representation of the active playlist. - - requiresOpenPlaylist() - - console.log(JSON.stringify(activePlaylist, null, 2)) - - // As with --write-playlist, the user probably doesn't want to actually - // play anything if this is the last option. - if (util.index === util.argv.length - 1) { - shouldPlay = false - } - }, - - '-log-playlist': util => util.alias('-print-playlist'), - '-json': util => util.alias('-print-playlist'), - - '-clear': function(util) { - // --clear (alias: -c) - // Clears the active playlist. This does not affect the source - // playlist. - - requiresOpenPlaylist() - - activePlaylist.items = [] - }, - - 'c': util => util.alias('-clear'), - - '-keep': function(util) { - // --keep <groupPath> (alias: -k) - // Keeps a group by loading it from the source playlist into the - // active playlist. This is usually useful after clearing the - // active playlist; it can also be used to keep a subgroup when - // you've removed an entire parent group, e.g. `-r foo -k foo/baz`. - - requiresOpenPlaylist() - - const pathString = util.nextArg() - const group = filterPlaylistByPathString(sourcePlaylist, pathString) - activePlaylist.items.push(group) - }, - - 'k': util => util.alias('-keep'), - - '-remove': function(util) { - // --remove <groupPath> (alias: -r, -x) - // Filters the playlist so that the given path is removed. - - requiresOpenPlaylist() - - const pathString = util.nextArg() - console.log("Ignoring path: " + pathString) - removeGroupByPathString(activePlaylist, pathString) - }, - - 'r': util => util.alias('-remove'), - 'x': util => util.alias('-remove'), - - '-list-groups': function(util) { - // --list-groups (alias: -l, --list) - // Lists all groups in the playlist. - - requiresOpenPlaylist() - - console.log(getPlaylistTreeString(activePlaylist)) - - // If this is the last item in the argument list, the user probably - // only wants to get the list, so we'll mark the 'should run' flag - // as false. - if (util.index === util.argv.length - 1) { - shouldPlay = false - } - }, - - '-list': util => util.alias('-list-groups'), - 'l': util => util.alias('-list-groups'), - - '-list-all': function(util) { - // --list-all (alias: --list-tracks, -L) - // Lists all groups and tracks in the playlist. - - requiresOpenPlaylist() - - console.log(getPlaylistTreeString(activePlaylist, true)) - - // As with -l, if this is the last item in the argument list, we - // won't actually be playing the playlist. - if (util.index === util.argv.length - 1) { - shouldPlay = false - } - }, - - '-list-tracks': util => util.alias('-list-all'), - 'L': util => util.alias('-list-all'), - - '-play': function(util) { - // --play (alias: -p) - // Forces the playlist to actually play. - - willPlay = true - }, - - 'p': util => util.alias('-play'), - - '-no-play': function(util) { - // --no-play (alias: -np) - // Forces the playlist not to play. - - willPlay = false - }, - - 'np': util => util.alias('-no-play'), - - '-picker': function(util) { - // --picker <picker type> (alias: --selector) - // Selects the mode that the song to play is picked. - // See pickers.js. - - pickerType = util.nextArg() - }, - - '-selector': util => util.alias('-picker'), - - '-play-opts': function(util) { - // --play-opts <opts> - // Sets command line options passed to the `play` command. - - playOpts = util.nextArg().split(' ') - } - } - - await openPlaylist('./playlist.json', true) - - await processArgv(process.argv, optionFunctions) - - if (activePlaylist === null) { - throw new Error( - "Cannot play - no open playlist. Try --open <playlist file>?" - ) - } - - if (willPlay || (willPlay === null && shouldPlay)) { - let picker - if (pickerType === 'shuffle') { - console.log("Using shuffle picker.") - picker = pickers.makeShufflePlaylistPicker(activePlaylist) - } else if (pickerType === 'ordered') { - console.log("Using ordered picker.") - picker = pickers.makeOrderedPlaylistPicker(activePlaylist) - } else { - console.error("Invalid picker type: " + pickerType) - return - } - - const { - promise: playPromise, - playController: play, - downloadController - } = loopPlay(picker, playOpts) - - // We're looking to gather standard input one keystroke at a time. - process.stdin.setRawMode(true) - - process.stdin.on('data', data => { - const escModifier = Buffer.from('\x1b[') - const shiftModifier = Buffer.from('1;2') - - const esc = num => Buffer.concat([escModifier, Buffer.from([num])]) - - const shiftEsc = num => ( - Buffer.concat([escModifier, shiftModifier, Buffer.from([num])]) - ) - - if (Buffer.from([0x20]).equals(data)) { - play.togglePause() - } - - if (esc(0x43).equals(data)) { - play.seekAhead(5) - } - - if (esc(0x44).equals(data)) { - play.seekBack(5) - } - - if (shiftEsc(0x43).equals(data)) { - play.seekAhead(30) - } - - if (shiftEsc(0x44).equals(data)) { - play.seekBack(30) - } - - if (esc(0x41).equals(data)) { - play.volUp(10) - } - - if (esc(0x42).equals(data)) { - play.volDown(10) - } - - if (Buffer.from('s').equals(data)) { - clearConsoleLine() - console.log( - "Skipping the track that's currently playing. " + - "(Press I for track info!)" - ) - - play.skip() - } - - if (Buffer.from([0x7f]).equals(data)) { - clearConsoleLine() - console.log( - "Skipping the track that's up next. " + - "(Press I for track info!)" - ) - - // TODO: It would be nice to have this as a method of - // PlayController. - // Double TODO: This doesn't actually work!! - downloadController.cancel() - play.startNextDownload() - } - - if ( - Buffer.from('i').equals(data) || - Buffer.from('t').equals(data) - ) { - clearConsoleLine() - play.logTrackInfo() - } - - if ( - Buffer.from('q').equals(data) || - Buffer.from([0x03]).equals(data) || // ^C - Buffer.from([0x04]).equals(data) // ^D - ) { - play.kill() - process.stdout.write('\n') - process.exit(0) - } - }) - - return playPromise - } else { - return activePlaylist - } - }) - .catch(err => console.error(err)) - -function clearConsoleLine() { - process.stdout.write('\x1b[1K\r') -} |