feat: discord notification aop 작성

src/main/java/com/debatetimer/aop/exception/ExceptionNotificationAspect.java

@@ -0,0 +1,27 @@
+package com.debatetimer.aop.exception;
+
+import com.debatetimer.client.DiscordNotifier;
+import lombok.RequiredArgsConstructor;
+import org.aspectj.lang.JoinPoint;
+import org.aspectj.lang.annotation.AfterThrowing;
+import org.aspectj.lang.annotation.Aspect;
+import org.aspectj.lang.annotation.Pointcut;
+import org.springframework.stereotype.Component;
+
+@Aspect
+@Component
+@RequiredArgsConstructor
+public class ExceptionNotificationAspect {
+
+    private final DiscordNotifier discordNotifier;
+
+    @Pointcut("@within(org.springframework.web.bind.annotation.RestController)")
+    public void restControllers() {
+    }
+
+    @AfterThrowing(pointcut = "restControllers()", throwing = "exception")
+    public void sendDiscordNotification(JoinPoint joinPoint, Exception exception) {
+        discordNotifier.sendErrorMessage(exception);
+
+    }
+}