type
Options* = Table[string, bool]
SearchResult* = tuple[title: string, url: string]
+ SearchResults* = seq[tuple[title: string, url: string]]
CommandLineOptions* = tuple[searchQuery: string, options: Options]
SelectionRange* = tuple[begin: int, until: int]
let response = get(client, &"https://www.youtube.com/results?hl=en&search_query={queryParam}")
return $response.body
-func extractTitlesAndUrls*(html: string): seq[SearchResult] =
+func extractTitlesAndUrls*(html: string): SearchResults =
{.noSideEffect.}:
parseHtml(html).findAll("a").
filter(a => "watch" in a.attrs["href"] and a.attrs.hasKey "title").
map(a => (a.attrs["title"], "https://www.youtube.com" & a.attrs["href"]))
-proc presentVideoOptions*(searchResults: seq[SearchResult]) =
+proc presentVideoOptions*(searchResults: SearchResults) =
eraseScreen()
for index, (title, url) in searchResults:
styledEcho $index, ". ", styleBright, fgMagenta, title, "\n", resetStyle, fgCyan, url, "\n"
if musicOnly: buildMusicDownloadArgs(url)
else: buildVideoDownloadArgs(url)
discard execShellCmd(&"youtube-dl {args.join(\" \")}")
+
+proc offerSelection(searchResults: SearchResults, options: Table[string, bool], selectionRange: SelectionRange): string =
+ if options["feelingLucky"]: "0"
+ else:
+ presentVideoOptions(searchResults[selectionRange.begin .. selectionRange.until])
+ stdout.styledWrite(fgYellow, "Choose video number: ")
+ readLine(stdin)
+
+# This is a pure function with no side effects
+func buildPlayerArgs(searchResult: SearchResult, options: Table[string, bool]): seq[string] =
+ var args = @[searchResult.url]
+ if options["musicOnly"]: args.add("--no-video")
+ if options["fullScreen"]: args.add("--fullscreen")
+ return args
+
+proc handleUserInput(searchResult: SearchResult, options: Table[string, bool], player: string) =
+ if options["download"]:
+ if options["musicOnly"]:
+ download(buildMusicDownloadArgs(searchResult.url), searchResult.title)
+ else:
+ download(buildVideoDownloadArgs(searchResult.url), searchResult.title)
+ else:
+ play(player, buildPlayerArgs(searchResult, options), searchResult.title)
+
+proc present*(searchResults: SearchResults, options: Table[string, bool], selectionRange: SelectionRange, player: string) =
+ #[ Continuously present options till the user quits the application
+ selectionRange: Currently available range to choose from depending on pagination
+ ]#
+
+ let userInput = offerSelection(searchResults, options, selectionRange)
+
+ case userInput
+ of "all":
+ for selection in selectionRange.begin .. selectionRange.until:
+ handleUserInput(searchResults[selection], options, player)
+ quit(0)
+ of "n":
+ if selectionRange.until + 1 < len(searchResults):
+ let newSelectionRange = (selectionRange.until + 1, min(len(searchResults) - 1, selectionRange.until + limit))
+ present(searchResults, options, newSelectionRange, player)
+ else:
+ present(searchResults, options, selectionRange, player)
+ of "p":
+ if selectionRange.begin > 0:
+ let newSelectionRange = (selectionRange.begin - limit, selectionRange.until - limit)
+ present(searchResults, options, newSelectionRange, player)
+ else:
+ present(searchResults, options, selectionRange, player)
+ of "q":
+ quit(0)
+ else:
+ let searchResult = searchResults[selectionRange.begin .. selectionRange.until][parseInt(userInput)]
+ handleUserInput(searchResult, options, player)
+ if options["feelingLucky"]:
+ quit(0)
+ else:
+ present(searchResults, options, selectionRange, player)