support both files and ids in `play`

src/app_console/app_console.cpp

@@ -90,14 +90,27 @@ void RegisterListDir() {
   esp_console_cmd_register(&cmd);
 }
 
-// sInstance->playback_->Play(path + argv[1]);
 int CmdPlayFile(int argc, char** argv) {
-  static const std::string usage = "usage: play [file]";
+  static const std::string usage = "usage: play [file or id]";
   if (argc < 2) {
     std::cout << usage << std::endl;
     return 1;
   }
 
+  std::string path_or_id = argv[1];
+  bool is_id = true;
+  for (const auto& it : path_or_id) {
+    if (!std::isdigit(it)) {
+      is_id = false;
+      break;
+    }
+  }
+
+  if (is_id) {
+    database::TrackId id = std::atoi(argv[1]);
+    events::Dispatch<audio::PlayTrack, audio::AudioState>(
+        audio::PlayTrack{.id = id});
+  } else {
     std::ostringstream path;
     path << '/' << argv[1];
     for (int i = 2; i < argc; i++) {
@@ -106,6 +119,7 @@ int CmdPlayFile(int argc, char** argv) {
 
     events::Dispatch<audio::PlayFile, audio::AudioState>(
         audio::PlayFile{.filename = path.str()});
+  }
 
   return 0;
 }