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DifferentialDiff.php
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Sun, Jul 20, 23:06

DifferentialDiff.php
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<?php
final class DifferentialDiff
extends DifferentialDAO
implements
PhabricatorPolicyInterface,
HarbormasterBuildableInterface,
PhabricatorApplicationTransactionInterface,
PhabricatorDestructableInterface {
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;
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,
) + parent::getConfiguration();
}
public function generatePHID() {
return PhabricatorPHID::generateNewPHID(
DifferentialPHIDTypeDiff::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 newFromRawChanges(array $changes) {
assert_instances_of($changes, 'ArcanistDiffChange');
$diff = new DifferentialDiff();
// 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 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->getRevision()) {
return $this->getRevision()->getPolicy($capability);
}
return PhabricatorPolicies::POLICY_USER;
}
public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
if ($this->getRevision()) {
return $this->getRevision()->hasAutomaticCapability($capability, $viewer);
}
return false;
}
public function describeAutomaticCapability($capability) {
if ($this->getRevision()) {
return pht(
'This diff is attached to a revision, and inherits its policies.');
}
return null;
}
/* -( HarbormasterBuildableInterface )------------------------------------- */
public function getHarbormasterBuildablePHID() {
return $this->getPHID();
}
public function getHarbormasterContainerPHID() {
if ($this->getRevisionID()) {
$revision = id(new DifferentialRevision())->load($this->getRevisionID());
if ($revision) {
return $revision->getPHID();
}
}
return null;
}
/* -( PhabricatorApplicationTransactionInterface )------------------------- */
public function getApplicationTransactionEditor() {
if (!$this->getRevisionID()) {
return null;
}
return $this->getRevision()->getApplicationTransactionEditor();
}
public function getApplicationTransactionObject() {
if (!$this->getRevisionID()) {
return null;
}
return $this->getRevision();
}
public function getApplicationTransactionTemplate() {
if (!$this->getRevisionID()) {
return null;
}
return $this->getRevision()->getApplicationTransactionTemplate();
}
/* -( PhabricatorDestructableInterface )----------------------------------- */
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();
}
}

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