[R9] Custom exception to handle errors related to consultation business rules

src/main/java/com/mirna/hospitalmanagementapi/domain/exceptions/ConsultationValidationException.java

@@ -0,0 +1,8 @@
+package com.mirna.hospitalmanagementapi.domain.exceptions;
+
+public class ConsultationValidationException extends Exception {
+
+	public ConsultationValidationException(String message) {
+		super(message);
+	}
+}

src/main/java/com/mirna/hospitalmanagementapi/infra/handlers/validation/ConsultationValidationErrorHandler.java

@@ -0,0 +1,23 @@
+package com.mirna.hospitalmanagementapi.infra.handlers.validation;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.RestControllerAdvice;
+
+import com.mirna.hospitalmanagementapi.domain.exceptions.ConsultationValidationException;
+
+/**
+ * This @RestControllerAdvice is used to handle errors related to consultation business rules and return appropriate response message
+ * 
+ * @author Mirna Gama
+ * @version 1.0
+ */
+@RestControllerAdvice
+public class ConsultationValidationErrorHandler {
+
+	@ExceptionHandler(ConsultationValidationException.class) 
+	public ResponseEntity<Object> handle(ConsultationValidationException exception) {
+		return new ResponseEntity<>(exception.getMessage(), HttpStatus.BAD_REQUEST);
+	}
+}