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Chat exception pattern matching #71

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Chat exception pattern matching #71

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33 changes: 33 additions & 0 deletions backend-service/src/main/java/co/teamsphere/api/exception/GlobalException.java
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.util.Objects;
import java.util.regex.Pattern;

@RestControllerAdvice
public class GlobalException {
Expand Down Expand Up @@ -47,12 +48,44 @@ public ResponseEntity<ErrorDetail> MethodArgumentNotValidExceptionHandler(Method
return new ResponseEntity<>(err, HttpStatus.BAD_REQUEST);
}

@ExceptionHandler(ChatException.class)
public ResponseEntity<ErrorDetail> ChatExceptionHandler(ChatException chatException, WebRequest req) {
// Grabbing the original message from the exception and preparing a message to return to user
String originalMessage = chatException.getMessage();
String messageToReturn = "";

if (originalMessage == null) {
messageToReturn = "A chat error has occurred, but no details were provided.";
} else if (Pattern.compile("(?i).*chat not exist.*").matcher(originalMessage).find()) {
messageToReturn = "The chat you are looking for does not exist.";
} else if (Pattern.compile("(?i).*finding chat by ID.*").matcher(originalMessage).find()) {
messageToReturn = "Unable to locate the specified chat.";
} else if (Pattern.compile("(?i).*permission.*").matcher(originalMessage).find()) {
messageToReturn = "You don't have permission to perform this chat action.";
} else if (Pattern.compile("(?i).*send message.*").matcher(originalMessage).find()) {
messageToReturn = "An error occurred while sending the message.";
} else if (Pattern.compile("(?i).*get messages.*").matcher(originalMessage).find()) {
messageToReturn = "An error occurred while retrieving chat messages.";
} else if (Pattern.compile("(?i).*deleting chat.*").matcher(originalMessage).find()) {
messageToReturn = "An error occurred while deleting the chat.";
} else if (Pattern.compile("(?i).*retrieving messages.*").matcher(originalMessage).find()) {
messageToReturn = "Failed to retrieve messages from the chat.";
} else {
messageToReturn = "Unexpected chat error has occurred";
}

ErrorDetail error = new ErrorDetail(messageToReturn, req.getDescription(false), LocalDateTime.now().atOffset(ZoneOffset.UTC));
return new ResponseEntity<>(error, HttpStatus.BAD_REQUEST);
}

@ExceptionHandler(NoHandlerFoundException.class)
public ResponseEntity<ErrorDetail> handleNoHandlerFoundException(NoHandlerFoundException noHandlerFoundException) {
ErrorDetail error = new ErrorDetail("Endpoint not found", noHandlerFoundException.getMessage(), LocalDateTime.now().atOffset(ZoneOffset.UTC));
return new ResponseEntity<>(error, HttpStatus.NOT_FOUND);
}



@ExceptionHandler(Exception.class)
public ResponseEntity<ErrorDetail> otherErrorHandler(Exception e, WebRequest req){

Expand Down