Add basic support for playlists

examples/playlist_tracks.rs

@@ -1,10 +1,13 @@
+#[macro_use]
 extern crate log;
 extern crate env_logger;
 
 extern crate librespot;
 extern crate tokio_core;
+//extern crate tokio_fs;
 extern crate tokio_io;
 extern crate futures;
+//extern crate futures_cpupool;
 
 use std::env;
 use tokio_core::reactor::Core;
@@ -13,7 +16,39 @@ use librespot::core::authentication::Credentials;
 use librespot::core::config::SessionConfig;
 use librespot::core::session::Session;
 use librespot::core::spotify_id::SpotifyId;
-use librespot::metadata::{Metadata, Track, Playlist};
+use librespot::playback::config::PlayerConfig;
+use librespot::playback::config::Bitrate;
+use librespot::metadata::{FileFormat, Metadata, PlaylistMeta, Track, Album, Artist, Playlist};
+
+
+/*
+fn make_list_playlist(core: &mut Core, session: &Session, uri: &str) -> TrackList {
+    let mut tracks = Vec::new();
+    let mut fnames = Vec::new();
+
+    let plist_uri = SpotifyId::from_base62(&uri).unwrap();
+    let plist = core.run(Playlist::get(&session, plist_uri)).unwrap();
+    println!("album name: {}",plist.name);
+    let plist_name = &plist.name;
+
+    
+
+    for (i, track_id) in plist.tracks.iter().enumerate() {
+        let plist_track = core.run(Track::get(&session, *track_id)).unwrap();
+        //println!("album track: {} - {}",i+1, alb_track.name);
+        let artist = core.run(Artist::get(&session, plist_track.artists[0])).unwrap();
+        println!("track artist: {}",artist.name);
+        tracks.push(plist_track.id);
+        let filename = format!("{} - {}.ogg",&artist.name, alb_track.name);
+        fnames.push(filename);
+    }
+    let ntr = plist.tracks.len();
+
+    let folder = format!("{}",plist_name);
+    let mut tlist = TrackList::new(ntr, folder, tracks, fnames);
+    tlist
+}
+*/
 
 fn main() {
     env_logger::init();
@@ -21,16 +56,20 @@ fn main() {
     let handle = core.handle();
 
     let session_config = SessionConfig::default();
+    let mut player_config = PlayerConfig::default();
+    player_config.bitrate = Bitrate::Bitrate320;
 
     let args: Vec<_> = env::args().collect();
-    if args.len() != 4 {
+    if args.len() != 5 {
-        println!("Usage: {} USERNAME PASSWORD PLAYLIST", args[0]);
+        println!("Usage: {} USERNAME PASSWORD PLAYLIST PLISTUSER", args[0]);
     }
     let username = args[1].to_owned();
     let password = args[2].to_owned();
     let credentials = Credentials::with_password(username, password);
 
-    let uri_split = args[3].split(":");
+    let plist_owner = args[4].to_string();
+
+    let mut uri_split = args[3].split(":");
     let uri_parts: Vec<&str> = uri_split.collect();
     println!("{}, {}, {}",uri_parts[0], uri_parts[1], uri_parts[2]);
     
@@ -40,7 +79,7 @@ fn main() {
         .run(Session::connect(session_config, credentials, None, handle))
         .unwrap();
 
-    let plist = core.run(Playlist::get(&session, plist_uri)).unwrap();
+    let plist = core.run(Playlist::get(&session, plist_uri, plist_owner, 0, 100)).unwrap();
     println!("{:?}",plist);
     for track_id in plist.tracks {
         let plist_track = core.run(Track::get(&session, track_id)).unwrap();

metadata/src/lib.rs

@@ -146,6 +146,29 @@ pub trait Metadata: Send + Sized + 'static {
     }
 }
 
+pub trait PlaylistMeta: Send + Sized + 'static {
+    type Message: protobuf::Message;
+
+    fn base_url() -> &'static str;
+    fn parse(msg: &Self::Message, session: &Session) -> Self;
+
+    fn get(session: &Session, id: SpotifyId, user: String, start: i32, len: i32) -> Box<Future<Item = Self, Error = MercuryError>> {
+        //let uri = format!("hm://playlist/{}?from={}&length={}",id.to_base62(), 0, 100);
+        let uri = format!("hm://playlist/user/{}/playlist/{}?from={}&length={}", user, id.to_base62(), start, len);
+        println!("request uri: {}", uri);
+        let request = session.mercury().get(uri);
+        println!("a");
+        let session = session.clone();
+        Box::new(request.and_then(move |response| {
+            println!("{:?}", response);
+            let data = response.payload.first().expect("Empty payload");
+            let msg: Self::Message = protobuf::parse_from_bytes(data).unwrap();
+            println!("{:?}", msg);
+            Ok(Self::parse(&msg, &session))
+        }))
+    }
+}
+
 #[derive(Debug, Clone)]
 pub struct Track {
     pub id: SpotifyId,
@@ -192,7 +215,7 @@ pub struct Show {
 
 #[derive(Debug, Clone)]
 pub struct Playlist {
-    pub user: String,
+    //pub id: SpotifyId,
     pub length: i32,
     pub name: String,
     pub tracks: Vec<SpotifyId>,
@@ -295,13 +318,14 @@ impl Metadata for Album {
     }
 }
 
-impl Metadata for Playlist {
+impl PlaylistMeta for Playlist {
     type Message = protocol::playlist4changes::SelectedListContent;
 
-    fn request_url(id: SpotifyId) -> String {
+    fn base_url() -> &'static str {
-        format!("hm://playlist/v2/playlist/{}", id.to_base62())
+        "hm://playlist/'?from=' + from + '&length=' + length"
     }
 
+
     fn parse(msg: &Self::Message, _: &Session) -> Self {
 
         let tracks = msg
@@ -321,7 +345,6 @@ impl Metadata for Playlist {
             name: msg.get_attributes().get_name().to_owned(),
             length: msg.get_length(),
             tracks: tracks,
-            user: msg.get_owner_username().to_string(),
         }
     }
 }

protocol/src/playlist4changes.rs

@@ -2759,7 +2759,6 @@ pub struct SelectedListContent {
     resolveAction: ::protobuf::RepeatedField<super::playlist4issues::ClientResolveAction>,
     issues: ::protobuf::RepeatedField<super::playlist4issues::ClientIssue>,
     nonces: ::std::vec::Vec<i32>,
-    owner_username: ::protobuf::SingularField<::std::string::String>,
     // special fields
     pub unknown_fields: ::protobuf::UnknownFields,
     pub cached_size: ::protobuf::CachedSize,
@@ -3133,42 +3132,6 @@ impl SelectedListContent {
     pub fn take_nonces(&mut self) -> ::std::vec::Vec<i32> {
         ::std::mem::replace(&mut self.nonces, ::std::vec::Vec::new())
     }
-
-    // optional string owner_username = 16;
-
-
-    pub fn get_owner_username(&self) -> &str {
-        match self.owner_username.as_ref() {
-            Some(v) => &v,
-            None => "",
-        }
-    }
-    pub fn clear_owner_username(&mut self) {
-        self.owner_username.clear();
-    }
-
-    pub fn has_owner_username(&self) -> bool {
-        self.owner_username.is_some()
-    }
-
-    // Param is passed by value, moved
-    pub fn set_owner_username(&mut self, v: ::std::string::String) {
-        self.owner_username = ::protobuf::SingularField::some(v);
-    }
-
-    // Mutable pointer to the field.
-    // If field is not initialized, it is initialized with default value first.
-    pub fn mut_owner_username(&mut self) -> &mut ::std::string::String {
-        if self.owner_username.is_none() {
-            self.owner_username.set_default();
-        }
-        self.owner_username.as_mut().unwrap()
-    }
-
-    // Take field
-    pub fn take_owner_username(&mut self) -> ::std::string::String {
-        self.owner_username.take().unwrap_or_else(|| ::std::string::String::new())
-    }
 }
 
 impl ::protobuf::Message for SelectedListContent {
@@ -3266,9 +3229,6 @@ impl ::protobuf::Message for SelectedListContent {
                 14 => {
                     ::protobuf::rt::read_repeated_int32_into(wire_type, is, &mut self.nonces)?;
                 },
-                16 => {
-                    ::protobuf::rt::read_singular_string_into(wire_type, is, &mut self.owner_username)?;
-                },
                 _ => {
                     ::protobuf::rt::read_unknown_or_skip_group(field_number, wire_type, is, self.mut_unknown_fields())?;
                 },
@@ -3327,9 +3287,6 @@ impl ::protobuf::Message for SelectedListContent {
         for value in &self.nonces {
             my_size += ::protobuf::rt::value_size(14, *value, ::protobuf::wire_format::WireTypeVarint);
         };
-        if let Some(ref v) = self.owner_username.as_ref() {
-            my_size += ::protobuf::rt::string_size(16, &v);
-        }
         my_size += ::protobuf::rt::unknown_fields_size(self.get_unknown_fields());
         self.cached_size.set(my_size);
         my_size
@@ -3389,9 +3346,6 @@ impl ::protobuf::Message for SelectedListContent {
         for v in &self.nonces {
             os.write_int32(14, *v)?;
         };
-        if let Some(ref v) = self.owner_username.as_ref() {
-            os.write_string(16, &v)?;
-        }
         os.write_unknown_fields(self.get_unknown_fields())?;
         ::std::result::Result::Ok(())
     }
@@ -3499,11 +3453,6 @@ impl ::protobuf::Message for SelectedListContent {
                     |m: &SelectedListContent| { &m.nonces },
                     |m: &mut SelectedListContent| { &mut m.nonces },
                 ));
-                fields.push(::protobuf::reflect::accessor::make_singular_field_accessor::<_, ::protobuf::types::ProtobufTypeString>(
-                    "owner_username",
-                    |m: &SelectedListContent| { &m.owner_username },
-                    |m: &mut SelectedListContent| { &mut m.owner_username },
-                ));
                 ::protobuf::reflect::MessageDescriptor::new::<SelectedListContent>(
                     "SelectedListContent",
                     fields,
@@ -3539,7 +3488,6 @@ impl ::protobuf::Clear for SelectedListContent {
         self.resolveAction.clear();
         self.issues.clear();
         self.nonces.clear();
-        self.owner_username.clear();
         self.unknown_fields.clear();
     }
 }
@@ -3586,7 +3534,7 @@ static file_descriptor_proto_data: &'static [u8] = b"\
     eltaB\0\x12\x20\n\x16wantResultingRevisions\x18\x03\x20\x01(\x08B\0\x12\
     \x18\n\x0ewantSyncResult\x18\x04\x20\x01(\x08B\0\x12\x19\n\x04dump\x18\
     \x05\x20\x01(\x0b2\t.ListDumpB\0\x12\x10\n\x06nonces\x18\x06\x20\x03(\
-    \x05B\0:\0\"\xa1\x03\n\x13SelectedListContent\x12\x12\n\x08revision\x18\
+    \x05B\0:\0\"\x87\x03\n\x13SelectedListContent\x12\x12\n\x08revision\x18\
     \x01\x20\x01(\x0cB\0\x12\x10\n\x06length\x18\x02\x20\x01(\x05B\0\x12%\n\
     \nattributes\x18\x03\x20\x01(\x0b2\x0f.ListAttributesB\0\x12!\n\x08check\
     sum\x18\x04\x20\x01(\x0b2\r.ListChecksumB\0\x12\x1e\n\x08contents\x18\
@@ -3596,8 +3544,7 @@ static file_descriptor_proto_data: &'static [u8] = b"\
     ipleHeads\x18\t\x20\x01(\x08B\0\x12\x12\n\x08upToDate\x18\n\x20\x01(\x08\
     B\0\x12-\n\rresolveAction\x18\x0c\x20\x03(\x0b2\x14.ClientResolveActionB\
     \0\x12\x1e\n\x06issues\x18\r\x20\x03(\x0b2\x0c.ClientIssueB\0\x12\x10\n\
-    \x06nonces\x18\x0e\x20\x03(\x05B\0\x12\x18\n\x0eowner_username\x18\x10\
+    \x06nonces\x18\x0e\x20\x03(\x05B\0:\0B\0b\x06proto2\
-    \x20\x01(\tB\0:\0B\0b\x06proto2\
 ";
 
 static mut file_descriptor_proto_lazy: ::protobuf::lazy::Lazy<::protobuf::descriptor::FileDescriptorProto> = ::protobuf::lazy::Lazy {