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phorge-phorge/src/applications/differential/storage/DifferentialDiff.php
Bob Trahan 6ab3f06b6e Transactions - adding willRenderTimeline to handle tricky cases
Summary: Fixes T6693.

Test Plan:
Made a bunch of comments on a diff with differential, being sure to leave inlines here and there. This reproduced the issue in T6693. With this patch this issue no longer reproduces!

Successfully "showed older changes" in Maniphest too.

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin, epriestley

Maniphest Tasks: T6693

Differential Revision: https://secure.phabricator.com/D10931
2014-12-04 13:58:52 -08:00

466 lines
13 KiB
PHP

<?php
final class DifferentialDiff
extends DifferentialDAO
implements
PhabricatorPolicyInterface,
HarbormasterBuildableInterface,
PhabricatorApplicationTransactionInterface,
PhabricatorDestructibleInterface {
protected $revisionID;
protected $authorPHID;
protected $repositoryPHID;
protected $sourceMachine;
protected $sourcePath;
protected $sourceControlSystem;
protected $sourceControlBaseRevision;
protected $sourceControlPath;
protected $lintStatus;
protected $unitStatus;
protected $lineCount;
protected $branch;
protected $bookmark;
protected $arcanistProjectPHID;
protected $creationMethod;
protected $repositoryUUID;
protected $description;
protected $viewPolicy;
private $unsavedChangesets = array();
private $changesets = self::ATTACHABLE;
private $arcanistProject = self::ATTACHABLE;
private $revision = self::ATTACHABLE;
private $properties = array();
public function getConfiguration() {
return array(
self::CONFIG_AUX_PHID => true,
self::CONFIG_COLUMN_SCHEMA => array(
'revisionID' => 'id?',
'authorPHID' => 'phid?',
'repositoryPHID' => 'phid?',
'sourceMachine' => 'text255?',
'sourcePath' => 'text255?',
'sourceControlSystem' => 'text64?',
'sourceControlBaseRevision' => 'text255?',
'sourceControlPath' => 'text255?',
'lintStatus' => 'uint32',
'unitStatus' => 'uint32',
'lineCount' => 'uint32',
'branch' => 'text255?',
'bookmark' => 'text255?',
'arcanistProjectPHID' => 'phid?',
'repositoryUUID' => 'text64?',
// T6203/NULLABILITY
// These should be non-null; all diffs should have a creation method
// and the description should just be empty.
'creationMethod' => 'text255?',
'description' => 'text255?',
),
self::CONFIG_KEY_SCHEMA => array(
'revisionID' => array(
'columns' => array('revisionID'),
),
),
) + parent::getConfiguration();
}
public function generatePHID() {
return PhabricatorPHID::generateNewPHID(
DifferentialDiffPHIDType::TYPECONST);
}
public function addUnsavedChangeset(DifferentialChangeset $changeset) {
if ($this->changesets === null) {
$this->changesets = array();
}
$this->unsavedChangesets[] = $changeset;
$this->changesets[] = $changeset;
return $this;
}
public function attachChangesets(array $changesets) {
assert_instances_of($changesets, 'DifferentialChangeset');
$this->changesets = $changesets;
return $this;
}
public function getChangesets() {
return $this->assertAttached($this->changesets);
}
public function loadChangesets() {
if (!$this->getID()) {
return array();
}
return id(new DifferentialChangeset())->loadAllWhere(
'diffID = %d',
$this->getID());
}
public function attachArcanistProject(
PhabricatorRepositoryArcanistProject $project = null) {
$this->arcanistProject = $project;
return $this;
}
public function getArcanistProject() {
return $this->assertAttached($this->arcanistProject);
}
public function getArcanistProjectName() {
$name = '';
if ($this->arcanistProject) {
$project = $this->getArcanistProject();
$name = $project->getName();
}
return $name;
}
public function save() {
$this->openTransaction();
$ret = parent::save();
foreach ($this->unsavedChangesets as $changeset) {
$changeset->setDiffID($this->getID());
$changeset->save();
}
$this->saveTransaction();
return $ret;
}
public static function initializeNewDiff(PhabricatorUser $actor) {
$app = id(new PhabricatorApplicationQuery())
->setViewer($actor)
->withClasses(array('PhabricatorDifferentialApplication'))
->executeOne();
$view_policy = $app->getPolicy(
DifferentialDefaultViewCapability::CAPABILITY);
$diff = id(new DifferentialDiff())
->setViewPolicy($view_policy);
return $diff;
}
public static function newFromRawChanges(
PhabricatorUser $actor,
array $changes) {
assert_instances_of($changes, 'ArcanistDiffChange');
$diff = self::initializeNewDiff($actor);
// There may not be any changes; initialize the changesets list so that
// we don't throw later when accessing it.
$diff->attachChangesets(array());
$lines = 0;
foreach ($changes as $change) {
if ($change->getType() == ArcanistDiffChangeType::TYPE_MESSAGE) {
// If a user pastes a diff into Differential which includes a commit
// message (e.g., they ran `git show` to generate it), discard that
// change when constructing a DifferentialDiff.
continue;
}
$changeset = new DifferentialChangeset();
$add_lines = 0;
$del_lines = 0;
$first_line = PHP_INT_MAX;
$hunks = $change->getHunks();
if ($hunks) {
foreach ($hunks as $hunk) {
$dhunk = new DifferentialHunkModern();
$dhunk->setOldOffset($hunk->getOldOffset());
$dhunk->setOldLen($hunk->getOldLength());
$dhunk->setNewOffset($hunk->getNewOffset());
$dhunk->setNewLen($hunk->getNewLength());
$dhunk->setChanges($hunk->getCorpus());
$changeset->addUnsavedHunk($dhunk);
$add_lines += $hunk->getAddLines();
$del_lines += $hunk->getDelLines();
$added_lines = $hunk->getChangedLines('new');
if ($added_lines) {
$first_line = min($first_line, head_key($added_lines));
}
}
$lines += $add_lines + $del_lines;
} else {
// This happens when you add empty files.
$changeset->attachHunks(array());
}
$metadata = $change->getAllMetadata();
if ($first_line != PHP_INT_MAX) {
$metadata['line:first'] = $first_line;
}
$changeset->setOldFile($change->getOldPath());
$changeset->setFilename($change->getCurrentPath());
$changeset->setChangeType($change->getType());
$changeset->setFileType($change->getFileType());
$changeset->setMetadata($metadata);
$changeset->setOldProperties($change->getOldProperties());
$changeset->setNewProperties($change->getNewProperties());
$changeset->setAwayPaths($change->getAwayPaths());
$changeset->setAddLines($add_lines);
$changeset->setDelLines($del_lines);
$diff->addUnsavedChangeset($changeset);
}
$diff->setLineCount($lines);
$parser = new DifferentialChangesetParser();
$changesets = $parser->detectCopiedCode(
$diff->getChangesets(),
$min_width = 30,
$min_lines = 3);
$diff->attachChangesets($changesets);
return $diff;
}
public function getDiffDict() {
$dict = array(
'id' => $this->getID(),
'revisionID' => $this->getRevisionID(),
'dateCreated' => $this->getDateCreated(),
'dateModified' => $this->getDateModified(),
'sourceControlBaseRevision' => $this->getSourceControlBaseRevision(),
'sourceControlPath' => $this->getSourceControlPath(),
'sourceControlSystem' => $this->getSourceControlSystem(),
'branch' => $this->getBranch(),
'bookmark' => $this->getBookmark(),
'creationMethod' => $this->getCreationMethod(),
'description' => $this->getDescription(),
'unitStatus' => $this->getUnitStatus(),
'lintStatus' => $this->getLintStatus(),
'changes' => array(),
'properties' => array(),
'projectName' => $this->getArcanistProjectName(),
);
$dict['changes'] = $this->buildChangesList();
$properties = id(new DifferentialDiffProperty())->loadAllWhere(
'diffID = %d',
$this->getID());
foreach ($properties as $property) {
$dict['properties'][$property->getName()] = $property->getData();
if ($property->getName() == 'local:commits') {
foreach ($property->getData() as $commit) {
$dict['authorName'] = $commit['author'];
$dict['authorEmail'] = idx($commit, 'authorEmail');
break;
}
}
}
return $dict;
}
public function buildChangesList() {
$changes = array();
foreach ($this->getChangesets() as $changeset) {
$hunks = array();
foreach ($changeset->getHunks() as $hunk) {
$hunks[] = array(
'oldOffset' => $hunk->getOldOffset(),
'newOffset' => $hunk->getNewOffset(),
'oldLength' => $hunk->getOldLen(),
'newLength' => $hunk->getNewLen(),
'addLines' => null,
'delLines' => null,
'isMissingOldNewline' => null,
'isMissingNewNewline' => null,
'corpus' => $hunk->getChanges(),
);
}
$change = array(
'id' => $changeset->getID(),
'metadata' => $changeset->getMetadata(),
'oldPath' => $changeset->getOldFile(),
'currentPath' => $changeset->getFilename(),
'awayPaths' => $changeset->getAwayPaths(),
'oldProperties' => $changeset->getOldProperties(),
'newProperties' => $changeset->getNewProperties(),
'type' => $changeset->getChangeType(),
'fileType' => $changeset->getFileType(),
'commitHash' => null,
'addLines' => $changeset->getAddLines(),
'delLines' => $changeset->getDelLines(),
'hunks' => $hunks,
);
$changes[] = $change;
}
return $changes;
}
public function hasRevision() {
return $this->revision !== self::ATTACHABLE;
}
public function getRevision() {
return $this->assertAttached($this->revision);
}
public function attachRevision(DifferentialRevision $revision = null) {
$this->revision = $revision;
return $this;
}
public function attachProperty($key, $value) {
$this->properties[$key] = $value;
return $this;
}
public function getProperty($key) {
return $this->assertAttachedKey($this->properties, $key);
}
/* -( PhabricatorPolicyInterface )----------------------------------------- */
public function getCapabilities() {
return array(
PhabricatorPolicyCapability::CAN_VIEW,
);
}
public function getPolicy($capability) {
if ($this->hasRevision()) {
return $this->getRevision()->getPolicy($capability);
}
return $this->viewPolicy;
}
public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
if ($this->hasRevision()) {
return $this->getRevision()->hasAutomaticCapability($capability, $viewer);
}
return ($this->getAuthorPHID() == $viewer->getPhid());
}
public function describeAutomaticCapability($capability) {
if ($this->hasRevision()) {
return pht(
'This diff is attached to a revision, and inherits its policies.');
}
return pht('The author of a diff can see it.');
}
/* -( HarbormasterBuildableInterface )------------------------------------- */
public function getHarbormasterBuildablePHID() {
return $this->getPHID();
}
public function getHarbormasterContainerPHID() {
if ($this->getRevisionID()) {
$revision = id(new DifferentialRevision())->load($this->getRevisionID());
if ($revision) {
return $revision->getPHID();
}
}
return null;
}
public function getBuildVariables() {
$results = array();
$results['buildable.diff'] = $this->getID();
$revision = $this->getRevision();
$results['buildable.revision'] = $revision->getID();
$repo = $revision->getRepository();
if ($repo) {
$results['repository.callsign'] = $repo->getCallsign();
$results['repository.vcs'] = $repo->getVersionControlSystem();
$results['repository.uri'] = $repo->getPublicCloneURI();
}
return $results;
}
public function getAvailableBuildVariables() {
return array(
'buildable.diff' =>
pht('The differential diff ID, if applicable.'),
'buildable.revision' =>
pht('The differential revision ID, if applicable.'),
'repository.callsign' =>
pht('The callsign of the repository in Phabricator.'),
'repository.vcs' =>
pht('The version control system, either "svn", "hg" or "git".'),
'repository.uri' =>
pht('The URI to clone or checkout the repository from.'),
);
}
/* -( PhabricatorApplicationTransactionInterface )------------------------- */
public function getApplicationTransactionEditor() {
return new DifferentialDiffEditor();
}
public function getApplicationTransactionObject() {
return $this;
}
public function getApplicationTransactionTemplate() {
return new DifferentialDiffTransaction();
}
public function willRenderTimeline(
PhabricatorApplicationTransactionView $timeline,
AphrontRequest $request) {
return $timeline;
}
/* -( PhabricatorDestructibleInterface )----------------------------------- */
public function destroyObjectPermanently(
PhabricatorDestructionEngine $engine) {
$this->openTransaction();
$this->delete();
foreach ($this->loadChangesets() as $changeset) {
$changeset->delete();
}
$properties = id(new DifferentialDiffProperty())->loadAllWhere(
'diffID = %d',
$this->getID());
foreach ($properties as $prop) {
$prop->delete();
}
$this->saveTransaction();
}
}