clitube.nim

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