feat: add abstract exception handler

Author: maxjdev

src/main/java/br/com/catalog/exceptions/abstract_handler/AbstractExceptionHandler.java

@@ -0,0 +1,43 @@
+package br.com.catalog.exceptions.abstract_handler;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import org.slf4j.Logger;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+import java.time.LocalDateTime;
+
+public abstract class AbstractExceptionHandler {
+    private final Logger log;
+
+    protected AbstractExceptionHandler(Logger log) {
+        this.log = log;
+    }
+
+    @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
+    @ResponseBody
+    @ExceptionHandler(Exception.class)
+    public ResponseEntity<ApiError> handlerGeneric(final Exception ex) {
+        log.error("UNEXPECTED ERROR", ex);
+        var apiError = new ApiError(
+                HttpStatus.INTERNAL_SERVER_ERROR.value(),
+                HttpStatus.INTERNAL_SERVER_ERROR.getReasonPhrase(),
+                "An unexpected internal server error occured");
+        return new ResponseEntity<>(apiError, HttpStatus.INTERNAL_SERVER_ERROR);
+    }
+
+    public record ApiError(
+            @JsonFormat(pattern = "dd-MM-yyyy HH:mm:ss")
+            LocalDateTime timestamp,
+            int code,
+            String status,
+            String description
+    ) {
+        public ApiError(int code, String status, String description) {
+            this(LocalDateTime.now(), code, status, description);
+        }
+    }
+}