fix: actually handle stopping the database when the bot is stopping

build-number.txt

@@ -1 +1 @@
-1256
+1258

src/main/java/me/chayapak1/chomens_bot/Main.java

@@ -148,6 +148,8 @@ public class Main {
 
         executorService.shutdown();
 
+        database.stop();
+
         try {
             final boolean ignoredExecutorDone = executor.awaitTermination(5, TimeUnit.SECONDS);
             final boolean ignoredExecutorServiceDone = executorService.awaitTermination(5, TimeUnit.SECONDS);

src/main/java/me/chayapak1/chomens_bot/plugins/DatabasePlugin.java

@@ -50,4 +50,14 @@ public class DatabasePlugin {
 
         return statement.executeUpdate(query);
     }
+
+    public void stop () {
+        executorService.shutdown();
+
+        try {
+            connection.close();
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
 }