20 Options* = Table[string, bool]
21 SearchResult* = tuple[title: string, url: string]
22 SearchResults* = seq[tuple[title: string, url: string]]
23 CommandLineOptions* = tuple[searchQuery: string, options: Options]
24 SelectionRange* = tuple[begin: int, until: int]
26 # poEchoCmd can be added to options for debugging
27 let processOptions = {poStdErrToStdOut, poUsePath}
29 proc selectMediaPlayer*(): string =
30 let availablePlayers = filterIt(supportedPlayers, execProcess("which " & it).len != 0)
31 if len(availablePlayers) == 0:
32 stderr.writeLine &"Please install one of the supported media players: {supportedPlayers}"
33 raise newException(OSError, "No supported media player found")
35 return availablePlayers[0]
37 proc getYoutubePage*(searchQuery: string): string =
38 let queryParam = encodeUrl(searchQuery)
39 let client = newHttpClient()
40 let response = get(client, &"https://www.youtube.com/results?hl=en&search_query={queryParam}")
43 func extractTitlesAndUrls*(html: string): SearchResults =
45 parseHtml(html).findAll("a").
46 filter(a => "watch" in a.attrs["href"] and a.attrs.hasKey "title").
47 map(a => (a.attrs["title"], "https://www.youtube.com" & a.attrs["href"]))
49 proc presentVideoOptions*(searchResults: SearchResults) =
51 for index, (title, url) in searchResults:
52 styledEcho $index, ". ", styleBright, fgMagenta, title, "\n", resetStyle, fgCyan, url, "\n"
54 func isPlaylist(url: string): bool =
55 # Identifies if video is part of a playlist
56 # Only YouTube playlists are supported for now
57 "www.youtube.com" in url and "&list=" in url
59 # This is a pure function with no side effects
60 func buildPlayerArgs(url: string, options: Table[string, bool], player: string): seq[string] =
62 if options["musicOnly"]: args.add("--no-video")
63 if options["fullScreen"]: args.add("--fullscreen")
64 # Playlists are only supported for MPV player
65 if isPlaylist(url) and player == "mpv":
66 let list_arg = url.split('&')[1]
67 args[0] = "https://www.youtube.com/playlist?" & list_arg
70 proc play*(player: string, options: Table[string, bool], url: string, title: string = "") =
71 let args = buildPlayerArgs(url, options, player)
73 styledEcho "\n", fgGreen, "Playing ", styleBright, fgMagenta, title
74 if "--no-video" in args:
75 discard execShellCmd(&"{player} {args.join(\" \")}")
77 discard execProcess(player, args=args, options=processOptions)
79 func buildMusicDownloadArgs*(url: string): seq[string] =
81 var args = @["--ignore-errors", "-f", "bestaudio", "--extract-audio", "--audio-format", "mp3", "--audio-quality", "0", "-o"]
82 let downloadLocation = &"'{expandTilde(musicDownloadDirectory)}/%(title)s.%(ext)s'"
83 args.add(downloadLocation)
87 func buildVideoDownloadArgs*(url: string): seq[string] =
89 var args = @["-f", "best", "-o"]
90 let downloadLocation = &"'{expandTilde(videoDownloadDirectory)}/%(title)s.%(ext)s'"
91 args.add(downloadLocation)
95 proc download*(args: openArray[string], title: string) =
96 styledEcho "\n", fgGreen, "Downloading ", styleBright, fgMagenta, title
97 discard execShellCmd(&"youtube-dl {args.join(\" \")}")
99 func urlLongen(url: string): string =
100 url.replace("youtu.be/", "www.youtube.com/watch?v=")
102 func stripZshEscaping(url: string): string =
103 url.replace("\\", "")
105 func sanitizeURL*(url: string): string =
106 urlLongen(stripZshEscaping(url))
108 proc directPlay*(url: string, player: string, options: Table[string, bool]) =
109 if url.startswith("magnet:"):
110 if options["musicOnly"]:
111 # TODO Replace with WebTorrent once it supports media player options
112 discard execShellCmd(&"peerflix '{url}' -a --{player} -- --no-video")
114 # WebTorrent is so much faster!
115 discard execProcess("webtorrent", args=[url, &"--{player}"], options=processOptions)
117 play(player, options, url)
119 proc directDownload*(url: string, musicOnly: bool) =
121 if musicOnly: buildMusicDownloadArgs(url)
122 else: buildVideoDownloadArgs(url)
123 discard execShellCmd(&"youtube-dl {args.join(\" \")}")
125 proc offerSelection(searchResults: SearchResults, options: Table[string, bool], selectionRange: SelectionRange): string =
126 if options["feelingLucky"]: "0"
128 presentVideoOptions(searchResults[selectionRange.begin .. selectionRange.until])
129 stdout.styledWrite(fgYellow, "Choose video number: ")
132 proc handleUserInput(searchResult: SearchResult, options: Table[string, bool], player: string) =
133 if options["download"]:
134 if options["musicOnly"]:
135 download(buildMusicDownloadArgs(searchResult.url), searchResult.title)
137 download(buildVideoDownloadArgs(searchResult.url), searchResult.title)
139 play(player, options, searchResult.url, searchResult.title)
141 proc present*(searchResults: SearchResults, options: Table[string, bool], selectionRange: SelectionRange, player: string) =
142 #[ Continuously present options till the user quits the application
143 selectionRange: Currently available range to choose from depending on pagination
146 let userInput = offerSelection(searchResults, options, selectionRange)
150 for selection in selectionRange.begin .. selectionRange.until:
151 handleUserInput(searchResults[selection], options, player)
154 if selectionRange.until + 1 < len(searchResults):
155 let newSelectionRange = (selectionRange.until + 1, min(len(searchResults) - 1, selectionRange.until + limit))
156 present(searchResults, options, newSelectionRange, player)
158 present(searchResults, options, selectionRange, player)
160 if selectionRange.begin > 0:
161 let newSelectionRange = (selectionRange.begin - limit, selectionRange.until - limit)
162 present(searchResults, options, newSelectionRange, player)
164 present(searchResults, options, selectionRange, player)
168 let searchResult = searchResults[selectionRange.begin .. selectionRange.until][parseInt(userInput)]
169 handleUserInput(searchResult, options, player)
170 if options["feelingLucky"]:
173 present(searchResults, options, selectionRange, player)