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 # Hard-coded terminal colors
  15 proc reset(): string {.procvar.} = "\e[0m"
  16 proc bold*(s: string): string {.procvar.} = "\e[1m" & s & reset()
  17
  18 proc fgMagenta*(s: string): string {.procvar.} = "\e[35m" & s & reset()
  19 proc fgCyan*(s: string): string {.procvar.} = "\e[36m" & s & reset()
  20
  21 type SearchResult = tuple[title: string, url: string]
  22
  23 proc selectMediaPlayer(): string =
  24   let availablePlayers = filterIt(supportedPlayers, execProcess("which " & it).len != 0)
  25   if len(availablePlayers) == 0:
  26     echo "Please install one of the supported media players: ", supportedPlayers
  27     raise newException(OSError, "No supported media player found")
  28   else:
  29     return availablePlayers[0]
  30
  31 proc getYoutubePage(searchQuery: string): string =
  32   let queryParam = encodeUrl(searchQuery)
  33   var client = newHttpClient()
  34   let response = get(client, "https://www.youtube.com/results?hl=en&search_query=" & queryParam)
  35   # TODO Get rid of temp file or make one temp file per user
  36   writeFile("/tmp/cli-tube-page.html", response.body)
  37   return "/tmp/cli-tube-page.html"
  38
  39 proc extractTitlesAndUrls(htmlFile: string): seq[SearchResult] =
  40   loadHtml(htmlFile).findAll("a").
  41     filter(a => "watch" in a.attrs["href"] and a.attrs.hasKey "title").
  42     map(a => (a.attrs["title"], "https://www.youtube.com" & a.attrs["href"]))
  43
  44 proc presentVideoOptions(searchResults: seq[SearchResult]) =
  45   for index, (title, url) in searchResults:
  46     echo index, ". ", title.bold.fgMagenta, "\n", url.fgCyan, "\n"
  47
  48 presentVideoOptions(
  49   extractTitlesAndUrls(
  50     getYoutubePage(
  51       paramStr(1))))