send back more information on /game/list/

http.go

@@ -33,9 +33,21 @@ func startGame(w http.ResponseWriter, req *http.Request) {
 func listGames(w http.ResponseWriter, req *http.Request) {
 	games.RLock()
 	defer games.RUnlock()
-	ids := make([]string, 0)
-	for id, _ := range games.m {
-		ids = append(ids, id)
+    type gl struct {
+        Id string `json:"id"`
+        Players []string `json:"players"`
+    }
+	ids := make([]gl, 0)
+	for id, g := range games.m {
+        players := make([]string, 0)
+        for p, _ := range g.players {
+            // XXX: change this to be the user-provided bot name?
+            players = append(players, p.Robot.Id)
+        }
+		ids = append(ids, gl{
+            Id: id,
+            Players: players,
+        })
 	}
 	if err := json.NewEncoder(w).Encode(ids); err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)