feat: add save command

Relates to #16

doc/help.txt

@@ -25,6 +25,7 @@ Commands:
   single            Toggle single mode or set to provided state
   consume           Toggle consume mode or set to provided state
   crossfade         Toggle consume mode or set to provided state
+  save              Save queue to a playlist
   rm                Remove a playlist
   volume            Set the volume to specified value <num> or increase/decrease it [+-]<num>
   stats             Provide mpd statistics

src/args.rs

@@ -99,6 +99,9 @@ pub(crate) enum Commands {
     #[command()]
     Crossfade { seconds: Option<String> },
 
+    /// Save queue to a playlist
+    #[command()]
+    Save { name: String },
     /// Remove a playlist
     #[command()]
     Rm { name: String },

src/client.rs

@@ -625,6 +625,14 @@ impl Client {
         Ok(Some(response))
     }
 
+    pub fn save(&mut self, name: &str) -> eyre::Result<Option<String>> {
+        self.client
+            .save(name)
+            .wrap_err(format!("Playlist already exists: {name}"))?;
+
+        Ok(None)
+    }
+
     pub fn rm(&mut self, name: &str) -> eyre::Result<Option<String>> {
         self.client
             .pl_remove(name)

src/main.rs

@@ -49,6 +49,7 @@ fn main() {
         Some(Commands::Consume { state }) => mpd.consume(state),
         Some(Commands::Crossfade { seconds }) => mpd.crossfade(seconds),
 
+        Some(Commands::Save { name }) => mpd.save(&name),
         Some(Commands::Rm { name }) => mpd.rm(&name),
         Some(Commands::Volume { volume }) => mpd.set_volume(&volume),
         Some(Commands::Stats) => mpd.stats(),