From: Joseph Nuthalapati <njoseph@riseup.net>
Date: Mon, 1 Jun 2020 16:52:22 +0000 (+0530)
Subject: Detect and play playlists (MPV only)
X-Git-Tag: 0.3.0~1
X-Git-Url: https://njoseph.me/gitweb/nimcoon.git/commitdiff_plain/d36e22010231d8bd139b906fc66e060575decb2d

Detect and play playlists (MPV only)
---

diff --git a/README.md b/README.md
index 82dad57..7af3591 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,9 @@ only the standard library.
 - [x] Stream video and music from magnet links
 - [x] Download music
 - [x] Download video
+- [x] Play playlists (MPV only)
+- [ ] Download playlists
+- [ ] Autoplay next video/audio
 - [ ] Configuration options
 
 ## Installation
diff --git a/src/lib.nim b/src/lib.nim
index d77cbe1..67095ac 100644
--- a/src/lib.nim
+++ b/src/lib.nim
@@ -51,8 +51,24 @@ proc presentVideoOptions*(searchResults: SearchResults) =
   for index, (title, url) in searchResults:
     styledEcho $index, ". ", styleBright, fgMagenta, title, "\n", resetStyle, fgCyan, url, "\n"
 
-proc play*(player: string, args: openArray[string], title: string) =
-  styledEcho "\n", fgGreen, "Playing ", styleBright, fgMagenta, title
+func isPlaylist(url: string): bool =
+  # Only YouTube playlists are supported for now
+  "www.youtube.com" in url and "&list=" in url
+
+# This is a pure function with no side effects
+func buildPlayerArgs(url: string, options: Table[string, bool], player: string): seq[string] =
+  var args = @[url]
+  if options["musicOnly"]: args.add("--no-video")
+  if options["fullScreen"]: args.add("--fullscreen")
+  # Playlists are only supported for MPV player
+  if isPlaylist(url) and player == "mpv":
+    args.add("--ytdl-raw-options=\"yes-playlist=\"")
+  return args
+
+proc play*(player: string, options: Table[string, bool], url: string, title: string = "") =
+  let args = buildPlayerArgs(url, options, player)
+  if title != "":
+    styledEcho "\n", fgGreen, "Playing ", styleBright, fgMagenta, title
   if "--no-video" in args:
     discard execShellCmd(&"{player} {args.join(\" \")}")
   else:
@@ -87,17 +103,14 @@ func stripZshEscaping(url: string): string =
 func sanitizeURL*(url: string): string =
   urlLongen(stripZshEscaping(url))
 
-proc directPlay*(url: string, player: string, musicOnly: bool) =
+proc directPlay*(url: string, player: string, options: Table[string, bool]) =
   if url.startswith("magnet:"):
-    if musicOnly:
+    if options["musicOnly"]:
       discard execShellCmd(&"peerflix '{url}' -a --{player} -- --no-video")
     else:
       discard execProcess("peerflix", args=[url, &"--{player}"], options=processOptions)
   else:
-    if musicOnly:
-      discard execShellCmd(&"{player} --no-video {url}")
-    else:
-      discard execProcess(player, args=[url], options=processOptions)
+    play(player, options, url)
 
 proc directDownload*(url: string, musicOnly: bool) =
   let args =
@@ -112,13 +125,6 @@ proc offerSelection(searchResults: SearchResults, options: Table[string, bool],
     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"]:
@@ -126,7 +132,7 @@ proc handleUserInput(searchResult: SearchResult, options: Table[string, bool], p
     else:
       download(buildVideoDownloadArgs(searchResult.url), searchResult.title)
   else:
-    play(player, buildPlayerArgs(searchResult, options), searchResult.title)
+    play(player, options, searchResult.url, searchResult.title)
 
 proc present*(searchResults: SearchResults, options: Table[string, bool], selectionRange: SelectionRange, player: string) =
   #[ Continuously present options till the user quits the application
diff --git a/src/nimcoon.nim b/src/nimcoon.nim
index cc0bd7e..1bb0b74 100644
--- a/src/nimcoon.nim
+++ b/src/nimcoon.nim
@@ -49,7 +49,7 @@ proc main() =
     if options["download"]:
       directDownload(sanitizeURL(searchQuery), options["musicOnly"])
     else:
-      directPlay(sanitizeURL(searchQuery), player, options["musicOnly"])
+      directPlay(sanitizeURL(searchQuery), player, options)
     quit(0)
 
   let searchResults = extractTitlesAndUrls(getYoutubePage(searchQuery))