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phorge-phorge/src/applications/transactions/exception/PhabricatorApplicationTransactionStructureException.php
epriestley 857e3aee83 Improve ApplicationTransaction behavior for poorly constructed transactions
Summary:
Ref T2222. Five very small improvements:

  - I hit this exception and it took a bit to understand which transaction was causing problems. Add an `Exception` subclass which does a better job of making the message debuggable.
  - The `oldValue` of a transaction may be `null`, legitimately (for example, changing the `repositoryPHID` for a revision from `null` to some valid PHID). Do a check to see if `setOldValue()` has been called, instead of a check for a `null` value.
  - Add an additional check for the other case (shouldn't have a value, but does).
  - When we're not generating a value, don't bother calling the code to generate it. The best case scenario is that it has no effect; any effect it might have (changing the value) is always wrong.
  - Maniphest didn't fall back to the parent correctly when computing this flag, so it got the wrong result for `CustomField` transactions.

Test Plan: Resolved the issue I was hitting more easily, made updates to a `null`-valued custom field, and applied other normal sorts of transactions successfully.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T4557, T2222

Differential Revision: https://secure.phabricator.com/D8401
2014-03-05 10:44:21 -08:00

20 lines
475 B
PHP

<?php
final class PhabricatorApplicationTransactionStructureException
extends Exception {
public function __construct(
PhabricatorApplicationTransaction $xaction,
$message) {
$full_message = pht(
'Attempting to apply a transaction (of class "%s", with type "%s") '.
'which has not been constructed correctly: %s',
get_class($xaction),
$xaction->getTransactionType(),
$message);
parent::__construct($full_message);
}
}