clitube.nim

   1 import htmlparser
   2 import httpClient
   3 import os
   4 import osproc
   5 import sequtils, sugar
   6 import std/[terminal]
   7 import strtabs
   8 import strutils
   9 import uri
  10 import xmltree
  11
  12 # Supported video players in order of preference
  13 let supportedPlayers = @["mpv", "vlc"]
  14
  15 # Only show these many results
  16 let limit = 10
  17
  18 type SearchResult = tuple[title: string, url: string]
  19
  20 proc selectMediaPlayer(): string =
  21   let availablePlayers = filterIt(supportedPlayers, execProcess("which " & it).len != 0)
  22   if len(availablePlayers) == 0:
  23     stderr.writeLine "Please install one of the supported media players: ", $supportedPlayers
  24     raise newException(OSError, "No supported media player found")
  25   else:
  26     return availablePlayers[0]
  27
  28 proc getYoutubePage(searchQuery: string): string =
  29   let queryParam = encodeUrl(searchQuery)
  30   var client = newHttpClient()
  31   let response = get(client, "https://www.youtube.com/results?hl=en&search_query=" & queryParam)
  32   writeFile("/tmp/clitube-page.html", response.body)
  33   return "/tmp/clitube-page.html"
  34
  35 proc extractTitlesAndUrls(htmlFile: string): seq[SearchResult] =
  36   loadHtml(htmlFile).findAll("a").
  37     filter(a => "watch" in a.attrs["href"] and a.attrs.hasKey "title").
  38     map(a => (a.attrs["title"], "https://www.youtube.com" & a.attrs["href"]))[..(limit-1)]
  39
  40 proc presentVideoOptions(searchResults: seq[SearchResult]) =
  41   echo ""
  42   for index, (title, url) in searchResults:
  43     styledEcho $index, ". ", styleBright, fgMagenta, title, "\n", resetStyle, fgCyan, url, "\n"
  44
  45 let input = paramStr(1)
  46 let player = selectMediaPlayer()
  47
  48 if "https://www.youtube.com" in input:
  49   discard execProcess(player & " " & input)
  50   quit(0)
  51
  52 let searchResults = extractTitlesAndUrls(getYoutubePage(input))
  53
  54 presentVideoOptions(searchResults)
  55
  56 stdout.styledWrite(fgYellow, "Choose video number: ")
  57 var number: int = parseInt(readLine(stdin))
  58
  59 styledEcho "\n", fgGreen, "Playing ", styleBright, fgMagenta, searchResults[number].title
  60
  61 # Play the video using the preferred/available media player
  62 discard execProcess(player & " " & searchResults[number].url)