clitube.nim

   1 import htmlparser
   2 import httpClient
   3 import parseopt
   4 import osproc
   5 import sequtils, sugar
   6 import strformat
   7 import std/[terminal]
   8 import strtabs
   9 import strutils
  10 import uri
  11 import xmltree
  12
  13 import preferences
  14
  15 type SearchResult = tuple[title: string, url: string]
  16
  17 proc selectMediaPlayer(): string =
  18   let availablePlayers = filterIt(supportedPlayers, execProcess("which " & it).len != 0)
  19   if len(availablePlayers) == 0:
  20     stderr.writeLine &"Please install one of the supported media players: {supportedPlayers}"
  21     raise newException(OSError, "No supported media player found")
  22   else:
  23     return availablePlayers[0]
  24
  25 proc getYoutubePage(searchQuery: string): string =
  26   let queryParam = encodeUrl(searchQuery)
  27   let client = newHttpClient()
  28   let response = get(client, &"https://www.youtube.com/results?hl=en&search_query={queryParam}")
  29   return $response.body
  30
  31 proc extractTitlesAndUrls(htmlFile: string): seq[SearchResult] =
  32   parseHtml(htmlFile).findAll("a").
  33     filter(a => "watch" in a.attrs["href"] and a.attrs.hasKey "title").
  34     map(a => (a.attrs["title"], "https://www.youtube.com" & a.attrs["href"]))[..(limit-1)]
  35
  36 proc presentVideoOptions(searchResults: seq[SearchResult]) =
  37   echo ""
  38   for index, (title, url) in searchResults:
  39     styledEcho $index, ". ", styleBright, fgMagenta, title, "\n", resetStyle, fgCyan, url, "\n"
  40
  41 let player = selectMediaPlayer()
  42
  43 var searchQuery = ""
  44 var musicOnly = false
  45 var feelingLucky = false
  46
  47 for kind, key, value in getopt():
  48   case kind
  49   of cmdArgument:
  50      searchQuery = key
  51   of cmdShortOption, cmdLongOption:
  52     case key
  53     of "m", "music": musicOnly = true
  54     of "l", "lucky": feelingLucky = true
  55   of cmdEnd:
  56     discard
  57
  58
  59 if "?watch" in searchQuery or "videos/watch" in searchQuery :
  60   discard execProcess(&"{player} {searchQuery}")
  61   quit(0)
  62
  63
  64 let searchResults = extractTitlesAndUrls(getYoutubePage(searchQuery))
  65
  66 let number =
  67   if feelingLucky:
  68     0
  69   else:
  70     presentVideoOptions(searchResults)
  71     stdout.styledWrite(fgYellow, "Choose video number: ")
  72     parseInt(readLine(stdin))
  73
  74 styledEcho "\n", fgGreen, "Playing ", styleBright, fgMagenta, searchResults[number].title
  75
  76 var command = @[player, searchResults[number].url]
  77
  78 if musicOnly:
  79   command.add("--no-video")
  80
  81 # Play the video using the preferred/available media player
  82 discard execProcess(command.join(" "))