add description and delete all commands on start

src/bot/commands/rating.rs

@@ -26,7 +26,7 @@ impl MixerCommand for RatingCommand {
     fn create(&self, command: &mut CreateApplicationCommand) {
         command
             .name(self.name())
-            .description("")
+            .description("Set user's rating on specific role")
             .create_option(|option| {
                 option
                     .name("set")

src/bot/mod.rs

@@ -40,7 +40,17 @@ impl EventHandler for MixerBot {
     async fn ready(&self, ctx: Context, data_about_bot: Ready) {
         info!("{} is connected!", data_about_bot.user.name);
 
-        Command::set_global_application_commands(&ctx.http, |commands| {
+        let commands = Command::get_global_application_commands(&ctx)
+            .await
+            .unwrap();
+
+        for command in commands {
+            Command::delete_global_application_command(&ctx, command.id)
+                .await
+                .unwrap();
+        }
+
+        Command::set_global_application_commands(ctx, |commands| {
             self.command_handler.create_all(commands);
             commands
         })