Function extractFullErrorMessage

errors/errors.go:169–198

Constructs full error message for a given DropboxError by traversing all of its inner errors. If includeStack is True it will also include stack trace from deepest DropboxError in the chain.

(e DropboxError, includeStack bool)

// all of its inner errors. If includeStack is True it will also include
// stack trace from deepest DropboxError in the chain.
func extractFullErrorMessage(e DropboxError, includeStack bool) string {
	var ok bool
	var lastDbxErr DropboxError
	errMsg := bytes.NewBuffer(make([]byte, 0, 1024))

	dbxErr := e
	for {
		lastDbxErr = dbxErr
		errMsg.WriteString(dbxErr.GetMessage())

		innerErr := dbxErr.Unwrap()
		if innerErr == nil {
			break
		}
		dbxErr, ok = innerErr.(DropboxError)
		if !ok {
			// We have reached the end and traveresed all inner errors.
			// Add last message and exit loop.
			errMsg.WriteString("\n")
			errMsg.WriteString(innerErr.Error())
			break
		}
		errMsg.WriteString("\n")
	}
	if includeStack {
		errMsg.WriteString("\nORIGINAL STACK TRACE:\n")
		errMsg.WriteString(lastDbxErr.GetStack())
	}
	return errMsg.String()
}

// Return a wrapped error or nil if there is none.
func unwrapError(ierr error) (nerr error) {