clitube.nim

   1 import htmlparser
   2 import httpClient
   3 import os
   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 # Supported video players in order of preference
  14 let supportedPlayers = ["mpv", "vlc"]
  15
  16 # Only show these many results
  17 let limit = 10
  18
  19 type SearchResult = tuple[title: string, url: string]
  20
  21 proc selectMediaPlayer(): string =
  22   let availablePlayers = filterIt(supportedPlayers, execProcess("which " & it).len != 0)
  23   if len(availablePlayers) == 0:
  24     stderr.writeLine &"Please install one of the supported media players: {supportedPlayers}"
  25     raise newException(OSError, "No supported media player found")
  26   else:
  27     return availablePlayers[0]
  28
  29 proc getYoutubePage(searchQuery: string): string =
  30   let queryParam = encodeUrl(searchQuery)
  31   let client = newHttpClient()
  32   let response = get(client, &"https://www.youtube.com/results?hl=en&search_query={queryParam}")
  33   return $response.body
  34
  35 proc extractTitlesAndUrls(htmlFile: string): seq[SearchResult] =
  36   parseHtml(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 let 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}")