add option to skip tracks on albums/playlists

src/bottle/cli.cr

@@ -21,7 +21,8 @@ class CLI
     [["-A", "--album"], "album", "string"],
     [["-p", "--playlist"], "playlist", "string"],
     [["-u", "--url"], "url", "string"],
-    [["-S", "--select"], "select", "bool"]
+    [["-S", "--select"], "select", "bool"],
+    [["--ask-skip"], "ask_skip", "bool"]
   ]
 
   @args : Hash(String, String)
@@ -54,6 +55,7 @@ class CLI
         #{Style.blue "                 "}           (for albums and playlists, the command-line
         #{Style.blue "                 "}           argument is ignored, and it should be '')
         #{Style.blue "-S, --select"}                Use a menu to choose each song's video source
+        #{Style.blue "--ask-skip"}                  Before every playlist/album song, ask to skip
 
     #{Style.bold "Examples:"}
         $ #{Style.green %(irs --song "Bohemian Rhapsody" --artist "Queen")}

src/glue/list.cr

@@ -29,6 +29,8 @@ abstract class SpotifyList
   # Finds the list, and downloads all of the songs using the `Song` class
   def grab_it(flags = {} of String => String)
     ask_url = flags["url"]?
+    ask_skip = flags["ask_skip"]?
+    is_playlist = flags["playlist"]?
   
     if !@spotify_searcher.authorized?
       raise("Need to call provide_client_keys on Album or Playlist class.")
@@ -45,22 +47,28 @@ abstract class SpotifyList
 
     i = 0
     contents.each do |datum|
+      i += 1
       if datum["track"]?
         datum = datum["track"]
       end
 
       data = organize_song_metadata(list, datum)
 
-      song = Song.new(data["name"].to_s, data["artists"][0]["name"].to_s)
+      s_name = data["name"].to_s
+      s_artist = data["artists"][0]["name"].to_s
+
+      song = Song.new(s_name, s_artist)
       song.provide_spotify(@spotify_searcher)
       song.provide_metadata(data)
 
-      puts Style.bold("[#{data["track_number"]}/#{contents.size}]")
-      song.grab_it(flags: flags)
+      puts Style.bold("[#{i}/#{contents.size}]")
 
-      organize(song)
-
-      i += 1
+      unless ask_skip && skip?(s_name, s_artist, is_playlist)
+        song.grab_it(flags: flags)
+        organize(song)
+      else
+        puts "Skipping..."
+      end
     end
   end
 
@@ -69,6 +77,13 @@ abstract class SpotifyList
     @spotify_searcher.authorize(client_key, client_secret)
   end
 
+  private def skip?(name, artist, is_playlist)
+    print "Skip #{Style.blue name}" +
+      (is_playlist ? " (by #{Style.green artist})": "") + "? "
+    response = gets
+    return response && response.lstrip.downcase.starts_with? "y"
+  end
+
   private def outputter(key : String, index : Int32)
     text = @outputs[key][index]
       .gsub("%l", @list_name)