fix shutdown db saving (fr this time) and fixed embed color parsing

src/main/java/cc/fascinated/bat/BatApplication.java

@@ -12,6 +12,7 @@ import lombok.SneakyThrows;
 import lombok.extern.log4j.Log4j2;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.ConfigurableApplicationContext;
 import org.springframework.scheduling.annotation.EnableScheduling;
 
 import java.io.File;
@@ -39,15 +40,20 @@ public class BatApplication {
         }
         log.info("Found configuration at '{}'", config.getAbsolutePath()); // Log the found config
 
+        // Start the application
+        SpringApplication app = new SpringApplication(BatApplication.class);
+        app.setRegisterShutdownHook(false); // Disable the default shutdown hook
+        ConfigurableApplicationContext context = app.run(args);
+
+        // Register the shutdown hook
         Runtime.getRuntime().addShutdownHook(new Thread(() -> {
             log.info("Shutting down...");
             for (EventListener listener : EventService.LISTENERS) {
                 listener.onShutdown();
             }
+            context.close();
         }));
 
-        // Start the app
-        SpringApplication.run(BatApplication.class, args);
         log.info("APP IS RUNNING IN %s MODE!!!!!!!!!".formatted(Config.isProduction() ? "PRODUCTION" : "DEVELOPMENT"));
     }
 }

src/main/java/cc/fascinated/bat/common/HexColorUtils.java

@@ -0,0 +1,45 @@
+package cc.fascinated.bat.common;
+
+import java.awt.*;
+
+/**
+ * @author Fascinated (fascinated7)
+ */
+public class HexColorUtils {
+    /**
+     * Checks if the given string is a hex color
+     *
+     * @param hexColor the hex color to check
+     * @return if the given string is a hex color
+     */
+    public static boolean isHexColor(String hexColor) {
+        return hexColor.matches("^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$");
+    }
+
+    /**
+     * Converts a hex color to a Color object
+     *
+     * @param hex the hex color to convert
+     * @return the Color object
+     */
+    public static Color hexToColor(String hex) {
+        if (hex == null || (!hex.matches("^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$"))) {
+            throw new IllegalArgumentException("Invalid hex color code");
+        }
+
+        // Remove the '#' character
+        hex = hex.substring(1);
+
+        // If the hex code is 3 characters long, expand it to 6 characters
+        if (hex.length() == 3) {
+            char r = hex.charAt(0);
+            char g = hex.charAt(1);
+            char b = hex.charAt(2);
+            hex = "" + r + r + g + g + b + b;
+        }
+
+        // Convert the hex string to an integer and create a Color object
+        int rgb = Integer.parseInt(hex, 16);
+        return new Color(rgb);
+    }
+}

src/main/java/cc/fascinated/bat/features/welcomer/WelcomerEmbed.java

@@ -1,5 +1,6 @@
 package cc.fascinated.bat.features.welcomer;
 
+import cc.fascinated.bat.common.HexColorUtils;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import lombok.NonNull;
@@ -44,7 +45,7 @@ public class WelcomerEmbed {
             embedBuilder.setTitle(WelcomerPlaceholders.replaceAllPlaceholders(title, replacements));
         }
         embedBuilder.setDescription(WelcomerPlaceholders.replaceAllPlaceholders(description, replacements));
-        embedBuilder.setColor(Integer.parseInt(color, 16));
+        embedBuilder.setColor(HexColorUtils.hexToColor(color));
         return embedBuilder;
     }
 }

src/main/java/cc/fascinated/bat/features/welcomer/command/EmbedSubCommand.java

@@ -5,6 +5,7 @@ import cc.fascinated.bat.command.BatSubCommand;
 import cc.fascinated.bat.command.CommandInfo;
 import cc.fascinated.bat.common.EmbedDescriptionBuilder;
 import cc.fascinated.bat.common.EmbedUtils;
+import cc.fascinated.bat.common.HexColorUtils;
 import cc.fascinated.bat.features.welcomer.WelcomerProfile;
 import cc.fascinated.bat.model.BatGuild;
 import cc.fascinated.bat.model.BatUser;
@@ -46,13 +47,13 @@ public class EmbedSubCommand extends BatSubCommand {
         String color = colorOption.getAsString();
         boolean pingBeforeSend = pingBeforeSendOption.getAsBoolean();
 
-        // Remove # if the user added it
-        color = color.replace("#", "");
+        // Add the # if it's not there
+        color = !color.startsWith("#") ? "#" + color : color;
 
         // Validate the input
-        if (color.length() != 6 || Color.decode("#" + color).getRGB() == -1){
+        if (!HexColorUtils.isHexColor(color)){
             event.replyEmbeds(EmbedUtils.errorEmbed()
-                    .setDescription("The color must be a valid hex color code\n" +
+                    .setDescription("The color must be a valid hex color code Example: `#3498DB`\n" +
                             "You can use this website to get a hex color code: https://htmlcolorcodes.com")
                     .build()).queue();
             return;
@@ -84,7 +85,7 @@ public class EmbedSubCommand extends BatSubCommand {
             successDescription.appendLine("Title: `%s`".formatted(title), true);
         }
         successDescription.appendLine("Description: `%s`".formatted(description), true);
-        successDescription.appendLine("Color: `#%s`".formatted(color), true);
+        successDescription.appendLine("Color: `%s`".formatted(color), true);
         successDescription.appendLine("Ping Before Send: %s".formatted(pingBeforeSend ? Emojis.CHECK_MARK_EMOJI.getFormatted() + " *(Preview won't ping you)*" : Emojis.CROSS_MARK_EMOJI), true);
         successDescription.emptyLine();
         successDescription.appendLine("**Preview Below:**", false);