hack for player-lobby and Res<Player> race?

spacetimedb/src/game.rs

@@ -0,0 +1,60 @@
+use log::info;
+use spacetimedb::{ReducerContext, Table, rand::seq::SliceRandom, reducer};
+
+use crate::tables::*;
+use jong_types::*;
+
+mod hand;
+mod wall;
+
+#[reducer]
+pub fn join_or_create_lobby(ctx: &ReducerContext, mut lobby_id: u32) -> Result<(), String> {
+    let ok_or = ctx
+        .db
+        .player()
+        .identity()
+        .find(ctx.sender)
+        .ok_or(format!("cannot find player {}", ctx.sender))?;
+    let mut player = ok_or;
+
+    if lobby_id == 0 {
+        let lobby = ctx.db.lobby().insert(Lobby {
+            id: 0,
+            host_player_id: player.id,
+            players: vec![PlayerOrBot::Player { id: player.id }],
+            game_state: GameState::Setup,
+        });
+        info!("created lobby: {:?}", lobby);
+
+        lobby_id = lobby.id;
+    }
+
+    player.lobby_id = lobby_id;
+
+    let player = ctx.db.player().identity().update(player);
+
+    info!("player {} joined lobby {}", player.id, lobby_id);
+    Ok(())
+}
+
+#[reducer]
+pub fn add_bot(ctx: &ReducerContext, lobby_id: u32) -> Result<(), String> {
+    if lobby_id == 0 {
+        Err("cannot add a bot without a lobby".into())
+    } else if let Some(lobby) = ctx.db.lobby().id().find(lobby_id)
+        && (ctx.db.player().lobby_id().filter(lobby_id).count()
+            + ctx.db.bot().lobby_id().filter(lobby_id).count()
+            <= 4)
+    {
+        let bot = ctx.db.bot().insert(Bot {
+            id: 0,
+            lobby_id,
+            hand_id: 0,
+            pond_id: 0,
+        });
+        info!("added bot {} to lobby {}", bot.id, lobby_id);
+        Ok(())
+    } else {
+        Err("lobby doesn't exist".into())
+    }
+}