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Code Issues Releases Wiki Activity

Wrap basic diff/revision association in a transaction

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Summary:
This doesn't cover every case exhaustively (see comments) but should cover like
98% of the practical cases.

This makes one workflow modification: willWriteRevision() was previously
guaranteed to have a revisionID / revisionPHID and no longer is. I verified that
no field implementations depend on this behavior. Fields which depend on IDs
should be using didWriteRevision() instead.

Test Plan: Inserted a "throw" into the middle of the transactions and created
revisions; they didn't orphan. Created revisions normally, they worked
correctly.

Reviewers: btrahan, nh

Reviewed By: btrahan

CC: aran, epriestley

Maniphest Tasks: T605

Differential Revision: https://secure.phabricator.com/D1541
This commit is contained in:
epriestley 2012-02-02 16:03:44 -08:00
parent dc36317ea4
commit c86dfd84d9
1 changed files with 54 additions and 32 deletions
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86
src/applications/differential/editor/revision/DifferentialRevisionEditor.php
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@ -166,31 +166,9 @@ class DifferentialRevisionEditor {
public function save() {
$revision = $this->getRevision();
// TODO
// $revision->openTransaction();
$is_new = $this->isNewRevision();
if ($is_new) {
// These fields aren't nullable; set them to sensible defaults if they
// haven't been configured. We're just doing this so we can generate an
// ID for the revision if we don't have one already.
$revision->setLineCount(0);
if ($revision->getStatus() === null) {
$revision->setStatus(ArcanistDifferentialRevisionStatus::NEEDS_REVIEW);
}
if ($revision->getTitle() === null) {
$revision->setTitle('Untitled Revision');
}
if ($revision->getAuthorPHID() === null) {
$revision->setAuthorPHID($this->getActorPHID());
}
if ($revision->getSummary() === null) {
$revision->setSummary('');
}
if ($revision->getTestPlan() === null) {
$revision->setTestPlan('');
}
$revision->save();
$this->initializeNewRevision($revision);
}
$revision->loadRelationships();
@ -205,6 +183,37 @@ class DifferentialRevisionEditor {
$this->cc = $revision->getCCPHIDs();
}
$diff = $this->getDiff();
if ($diff) {
$revision->setLineCount($diff->getLineCount());
}
// Save the revision, to generate its ID and PHID if it is new. We need
// the ID/PHID in order to record them in Herald transcripts, but don't
// want to hold a transaction open while running Herald because it is
// potentially somewhat slow. The downside is that we may end up with a
// saved revision/diff pair without appropriate CCs. We could be better
// about this -- for example:
//
// - Herald can't affect reviewers, so we could compute them before
// opening the transaction and then save them in the transaction.
// - Herald doesn't *really* need PHIDs to compute its effects, we could
// run it before saving these objects and then hand over the PHIDs later.
//
// But this should address the problem of orphaned revisions, which is
// currently the only problem we experience in practice.
$revision->openTransaction();
$revision->save();
if ($diff) {
$diff->setRevisionID($revision->getID());
$diff->save();
}
$revision->saveTransaction();
// We're going to build up three dictionaries: $add, $rem, and $stable. The
// $add dictionary has added reviewers/CCs. The $rem dictionary has
// reviewers/CCs who have been removed, and the $stable array is
@ -216,8 +225,6 @@ class DifferentialRevisionEditor {
'ccs' => array_fill_keys($revision->getCCPHIDs(), true),
);
$diff = $this->getDiff();
$xscript_header = null;
$xscript_uri = null;
@ -226,12 +233,8 @@ class DifferentialRevisionEditor {
'ccs' => array_fill_keys($this->cc, true),
);
$rem_ccs = array();
if ($diff) {
$diff->setRevisionID($revision->getID());
$revision->setLineCount($diff->getLineCount());
$adapter = new HeraldDifferentialRevisionAdapter(
$revision,
$diff);
@ -427,9 +430,6 @@ class DifferentialRevisionEditor {
))
->publish();
// TODO
// $revision->saveTransaction();
// TODO: Move this into a worker task thing.
PhabricatorSearchDifferentialIndexer::indexRevision($revision);
@ -908,5 +908,27 @@ class DifferentialRevisionEditor {
}
}
private function initializeNewRevision(DifferentialRevision $revision) {
// These fields aren't nullable; set them to sensible defaults if they
// haven't been configured. We're just doing this so we can generate an
// ID for the revision if we don't have one already.
$revision->setLineCount(0);
if ($revision->getStatus() === null) {
$revision->setStatus(ArcanistDifferentialRevisionStatus::NEEDS_REVIEW);
}
if ($revision->getTitle() === null) {
$revision->setTitle('Untitled Revision');
}
if ($revision->getAuthorPHID() === null) {
$revision->setAuthorPHID($this->getActorPHID());
}
if ($revision->getSummary() === null) {
$revision->setSummary('');
}
if ($revision->getTestPlan() === null) {
$revision->setTestPlan('');
}
}
}