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Commit | Line | Data |
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d65a1dcf JN |
1 | import |
2 | htmlparser, | |
3 | httpClient, | |
e9f0c7d0 | 4 | os, |
d65a1dcf JN |
5 | osproc, |
6 | sequtils, | |
7 | sugar, | |
8 | strformat, | |
9 | std/[terminal], | |
e9f0c7d0 | 10 | strformat, |
d65a1dcf JN |
11 | strtabs, |
12 | strutils, | |
6f161e0b | 13 | tables, |
d65a1dcf JN |
14 | uri, |
15 | xmltree | |
16 | ||
17 | import config | |
18 | ||
19 | type | |
6f161e0b | 20 | Options* = Table[string, bool] |
e9f0c7d0 | 21 | SearchResult* = tuple[title: string, url: string] |
13a4017d | 22 | SearchResults* = seq[tuple[title: string, url: string]] |
6f161e0b | 23 | CommandLineOptions* = tuple[searchQuery: string, options: Options] |
e6561dc9 | 24 | SelectionRange* = tuple[begin: int, until: int] |
d65a1dcf | 25 | |
e9f0c7d0 | 26 | # poEchoCmd can be added to options for debugging |
e4a68706 | 27 | let processOptions = {poStdErrToStdOut, poUsePath} |
9e6b8568 | 28 | |
d65a1dcf JN |
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") | |
34 | else: | |
35 | return availablePlayers[0] | |
36 | ||
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}") | |
41 | return $response.body | |
42 | ||
13a4017d | 43 | func extractTitlesAndUrls*(html: string): SearchResults = |
4a0587e2 JN |
44 | {.noSideEffect.}: |
45 | parseHtml(html).findAll("a"). | |
46 | filter(a => "watch" in a.attrs["href"] and a.attrs.hasKey "title"). | |
72720bec | 47 | map(a => (a.attrs["title"], "https://www.youtube.com" & a.attrs["href"])) |
d65a1dcf | 48 | |
13a4017d | 49 | proc presentVideoOptions*(searchResults: SearchResults) = |
17955bba | 50 | eraseScreen() |
d65a1dcf JN |
51 | for index, (title, url) in searchResults: |
52 | styledEcho $index, ". ", styleBright, fgMagenta, title, "\n", resetStyle, fgCyan, url, "\n" | |
53 | ||
d36e2201 | 54 | func isPlaylist(url: string): bool = |
28d7042e | 55 | # Identifies if video is part of a playlist |
d36e2201 JN |
56 | # Only YouTube playlists are supported for now |
57 | "www.youtube.com" in url and "&list=" in url | |
58 | ||
59 | # This is a pure function with no side effects | |
60 | func buildPlayerArgs(url: string, options: Table[string, bool], player: string): seq[string] = | |
61 | var args = @[url] | |
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": | |
28d7042e JN |
66 | let list_arg = url.split('&')[1] |
67 | args[0] = "https://www.youtube.com/playlist?" & list_arg | |
d36e2201 JN |
68 | return args |
69 | ||
70 | proc play*(player: string, options: Table[string, bool], url: string, title: string = "") = | |
71 | let args = buildPlayerArgs(url, options, player) | |
72 | if title != "": | |
73 | styledEcho "\n", fgGreen, "Playing ", styleBright, fgMagenta, title | |
e71f26f3 JN |
74 | if "--no-video" in args: |
75 | discard execShellCmd(&"{player} {args.join(\" \")}") | |
76 | else: | |
77 | discard execProcess(player, args=args, options=processOptions) | |
d65a1dcf | 78 | |
9a8ef4ad JN |
79 | func buildMusicDownloadArgs*(url: string): seq[string] = |
80 | {.noSideEffect.}: | |
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) | |
84 | args.add(url) | |
85 | return args | |
86 | ||
87 | func buildVideoDownloadArgs*(url: string): seq[string] = | |
88 | {.noSideEffect.}: | |
89 | var args = @["-f", "best", "-o"] | |
90 | let downloadLocation = &"'{expandTilde(videoDownloadDirectory)}/%(title)s.%(ext)s'" | |
91 | args.add(downloadLocation) | |
92 | args.add(url) | |
93 | return args | |
94 | ||
e9f0c7d0 JN |
95 | proc download*(args: openArray[string], title: string) = |
96 | styledEcho "\n", fgGreen, "Downloading ", styleBright, fgMagenta, title | |
97 | discard execShellCmd(&"youtube-dl {args.join(\" \")}") | |
98 | ||
d65a1dcf JN |
99 | func urlLongen(url: string): string = |
100 | url.replace("youtu.be/", "www.youtube.com/watch?v=") | |
101 | ||
102 | func stripZshEscaping(url: string): string = | |
103 | url.replace("\\", "") | |
104 | ||
105 | func sanitizeURL*(url: string): string = | |
106 | urlLongen(stripZshEscaping(url)) | |
107 | ||
d36e2201 | 108 | proc directPlay*(url: string, player: string, options: Table[string, bool]) = |
9a8ef4ad | 109 | if url.startswith("magnet:"): |
d36e2201 | 110 | if options["musicOnly"]: |
8d06ad69 | 111 | # TODO Replace with WebTorrent once it supports media player options |
811928a7 JN |
112 | discard execShellCmd(&"peerflix '{url}' -a --{player} -- --no-video") |
113 | else: | |
8d06ad69 JN |
114 | # WebTorrent is so much faster! |
115 | discard execProcess("webtorrent", args=[url, &"--{player}"], options=processOptions) | |
fe1a5856 | 116 | else: |
d36e2201 | 117 | play(player, options, url) |
811928a7 JN |
118 | |
119 | proc directDownload*(url: string, musicOnly: bool) = | |
120 | let args = | |
121 | if musicOnly: buildMusicDownloadArgs(url) | |
122 | else: buildVideoDownloadArgs(url) | |
9a8ef4ad | 123 | discard execShellCmd(&"youtube-dl {args.join(\" \")}") |
13a4017d JN |
124 | |
125 | proc offerSelection(searchResults: SearchResults, options: Table[string, bool], selectionRange: SelectionRange): string = | |
126 | if options["feelingLucky"]: "0" | |
127 | else: | |
128 | presentVideoOptions(searchResults[selectionRange.begin .. selectionRange.until]) | |
129 | stdout.styledWrite(fgYellow, "Choose video number: ") | |
130 | readLine(stdin) | |
131 | ||
13a4017d JN |
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) | |
136 | else: | |
137 | download(buildVideoDownloadArgs(searchResult.url), searchResult.title) | |
138 | else: | |
d36e2201 | 139 | play(player, options, searchResult.url, searchResult.title) |
13a4017d JN |
140 | |
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 | |
144 | ]# | |
145 | ||
146 | let userInput = offerSelection(searchResults, options, selectionRange) | |
147 | ||
148 | case userInput | |
149 | of "all": | |
150 | for selection in selectionRange.begin .. selectionRange.until: | |
151 | handleUserInput(searchResults[selection], options, player) | |
152 | quit(0) | |
153 | of "n": | |
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) | |
ebae91b4 JN |
157 | else: |
158 | present(searchResults, options, selectionRange, player) | |
13a4017d JN |
159 | of "p": |
160 | if selectionRange.begin > 0: | |
161 | let newSelectionRange = (selectionRange.begin - limit, selectionRange.until - limit) | |
162 | present(searchResults, options, newSelectionRange, player) | |
ebae91b4 JN |
163 | else: |
164 | present(searchResults, options, selectionRange, player) | |
13a4017d JN |
165 | of "q": |
166 | quit(0) | |
167 | else: | |
db34bbff JN |
168 | let searchResult = searchResults[selectionRange.begin .. selectionRange.until][parseInt(userInput)] |
169 | handleUserInput(searchResult, options, player) | |
13a4017d JN |
170 | if options["feelingLucky"]: |
171 | quit(0) | |
172 | else: | |
173 | present(searchResults, options, selectionRange, player) |