BadRequestResponse sends a JSON-formatted error message with 400 Bad Request status code.

EditConflictResponse method is used to send a 409 Conflict status code.

FailedValidationResponse sends JSON-formatted error message to client with 400 Bad Request status code.

HandleErrorResponse method is a utility function that will return the appropriate error from the service layer of our application.

NewSlogLogFormatter creates a new SlogLogFormatter.

NotFoundResponse method is used to send a 404 Not Found status code.

RateLimitExceededResponse method is used to send a 429 Too Many Requests status code.

ReadJSON decodes request Body into corresponding Go type.

serverErrorResponse method is used when our application encounters an unexpected problem at runtime.

UnauthorizedResponse method is used to send a 401 Unauthorized status code.

UnprocessableEntityResponse method is used to send a 422 Unprocessable Entity status code.

WriteJSON marshals data structure to encoded JSON response and writes it to the response body.

ErrInvalidJSON is returned when the body is not valid JSON.