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DifferentialRevisionViewController.php
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			<?php

			final class DifferentialRevisionViewController
			extends DifferentialController {

			private $revisionID;
			private $changesetCount;
			private $hiddenChangesets;
			private $warnings = array();

			public function shouldAllowPublic() {
			return true;
			}

			public function isLargeDiff() {
			return ($this->getChangesetCount() > $this->getLargeDiffLimit());
			}

			public function isVeryLargeDiff() {
			return ($this->getChangesetCount() > $this->getVeryLargeDiffLimit());
			}

			public function getLargeDiffLimit() {
			return 100;
			}

			public function getVeryLargeDiffLimit() {
			return 1000;
			}

			public function getChangesetCount() {
			if ($this->changesetCount === null) {
			throw new PhutilInvalidStateException('setChangesetCount');
			}
			return $this->changesetCount;
			}

			public function setChangesetCount($count) {
			$this->changesetCount = $count;
			return $this;
			}

			public function handleRequest(AphrontRequest $request) {
			$viewer = $this->getViewer();
			$this->revisionID = $request->getURIData('id');

			$viewer_is_anonymous = !$viewer->isLoggedIn();

			$revision = id(new DifferentialRevisionQuery())
			->withIDs(array($this->revisionID))
			->setViewer($viewer)
			->needReviewers(true)
			->needReviewerAuthority(true)
			->needCommitPHIDs(true)
			->executeOne();
			if (!$revision) {
			return new Aphront404Response();
			}

			$diffs = id(new DifferentialDiffQuery())
			->setViewer($viewer)
			->withRevisionIDs(array($this->revisionID))
			->execute();
			$diffs = array_reverse($diffs, $preserve_keys = true);

			if (!$diffs) {
			throw new Exception(
			pht('This revision has no diffs. Something has gone quite wrong.'));
			}

			$revision->attachActiveDiff(last($diffs));

			$diff_vs = $this->getOldDiffID($revision, $diffs);
			if ($diff_vs instanceof AphrontResponse) {
			return $diff_vs;
			}

			$target_id = $this->getNewDiffID($revision, $diffs);
			if ($target_id instanceof AphrontResponse) {
			return $target_id;
			}

			$target = $diffs[$target_id];

			$target_manual = $target;
			if (!$target_id) {
			foreach ($diffs as $diff) {
			if ($diff->getCreationMethod() != 'commit') {
			$target_manual = $diff;
			}
			}
			}

			$repository = null;
			$repository_phid = $target->getRepositoryPHID();
			if ($repository_phid) {
			if ($repository_phid == $revision->getRepositoryPHID()) {
			$repository = $revision->getRepository();
			} else {
			$repository = id(new PhabricatorRepositoryQuery())
			->setViewer($viewer)
			->withPHIDs(array($repository_phid))
			->executeOne();
			}
			}

			list($changesets, $vs_map, $vs_changesets, $rendering_references) =
			$this->loadChangesetsAndVsMap(
			$target,
			idx($diffs, $diff_vs),
			$repository);

			$this->setChangesetCount(count($rendering_references));

			if ($request->getExists('download')) {
			return $this->buildRawDiffResponse(
			$revision,
			$changesets,
			$vs_changesets,
			$vs_map,
			$repository);
			}

			$map = $vs_map;
			if (!$map) {
			$map = array_fill_keys(array_keys($changesets), 0);
			}

			$old_ids = array();
			$new_ids = array();
			foreach ($map as $id => $vs) {
			if ($vs <= 0) {
			$old_ids[] = $id;
			$new_ids[] = $id;
			} else {
			$new_ids[] = $id;
			$new_ids[] = $vs;
			}
			}

			$this->loadDiffProperties($diffs);
			$props = $target_manual->getDiffProperties();

			$subscriber_phids = PhabricatorSubscribersQuery::loadSubscribersForPHID(
			$revision->getPHID());

			$object_phids = array_merge(
			$revision->getReviewerPHIDs(),
			$subscriber_phids,
			$revision->getCommitPHIDs(),
			array(
			$revision->getAuthorPHID(),
			$viewer->getPHID(),
			));

			foreach ($revision->getAttached() as $type => $phids) {
			foreach ($phids as $phid => $info) {
			$object_phids[] = $phid;
			}
			}

			$field_list = PhabricatorCustomField::getObjectFields(
			$revision,
			PhabricatorCustomField::ROLE_VIEW);

			$field_list->setViewer($viewer);
			$field_list->readFieldsFromStorage($revision);

			$warning_handle_map = array();
			foreach ($field_list->getFields() as $key => $field) {
			$req = $field->getRequiredHandlePHIDsForRevisionHeaderWarnings();
			foreach ($req as $phid) {
			$warning_handle_map[$key][] = $phid;
			$object_phids[] = $phid;
			}
			}

			$handles = $this->loadViewerHandles($object_phids);
			$warnings = $this->warnings;

			$request_uri = $request->getRequestURI();

			$large = $request->getStr('large');

			$large_warning =
			($this->isLargeDiff()) &&
			(!$this->isVeryLargeDiff()) &&
			(!$large);

			if ($large_warning) {
			$count = $this->getChangesetCount();

			$expand_uri = $request_uri
			->alter('large', 'true')
			->setFragment('toc');

			$message = array(
			pht(
			'This large diff affects %s files. Files without inline '.
			'comments have been collapsed.',
			new PhutilNumber($count)),
			' ',
			phutil_tag(
			'strong',
			array(),
			phutil_tag(
			'a',
			array(
			'href' => $expand_uri,
			),
			pht('Expand All Files'))),
			);

			$warnings[] = id(new PHUIInfoView())
			->setTitle(pht('Large Diff'))
			->setSeverity(PHUIInfoView::SEVERITY_WARNING)
			->appendChild($message);

			$folded_changesets = $changesets;
			} else {
			$folded_changesets = array();
			}

			// Don't hide or fold changesets which have inline comments.
			$hidden_changesets = $this->hiddenChangesets;
			if ($hidden_changesets \|\| $folded_changesets) {
			$old = array_select_keys($changesets, $old_ids);
			$new = array_select_keys($changesets, $new_ids);

			$inlines = id(new DifferentialDiffInlineCommentQuery())
			->setViewer($viewer)
			->withRevisionPHIDs(array($revision->getPHID()))
			->withPublishableComments(true)
			->withPublishedComments(true)
			->execute();

			$inlines = mpull($inlines, 'newInlineCommentObject');

			$inlines = id(new PhabricatorInlineCommentAdjustmentEngine())
			->setViewer($viewer)
			->setRevision($revision)
			->setOldChangesets($old)
			->setNewChangesets($new)
			->setInlines($inlines)
			->execute();

			foreach ($inlines as $inline) {
			$changeset_id = $inline->getChangesetID();
			if (!isset($changesets[$changeset_id])) {
			continue;
			}

			unset($hidden_changesets[$changeset_id]);
			unset($folded_changesets[$changeset_id]);
			}
			}

			// If we would hide only one changeset, don't hide anything. The notice
			// we'd render about it is about the same size as the changeset.
			if (count($hidden_changesets) < 2) {
			$hidden_changesets = array();
			}

			// Update the set of hidden changesets, since we may have just un-hidden
			// some of them.
			if ($hidden_changesets) {
			$warnings[] = id(new PHUIInfoView())
			->setTitle(pht('Showing Only Differences'))
			->setSeverity(PHUIInfoView::SEVERITY_NOTICE)
			->appendChild(
			pht(
			'This revision modifies %s more files that are hidden because '.
			'they were not modified between selected diffs and they have no '.
			'inline comments.',
			phutil_count($hidden_changesets)));
			}

			// Compute the unfolded changesets. By default, everything is unfolded.
			$unfolded_changesets = $changesets;
			foreach ($folded_changesets as $changeset_id => $changeset) {
			unset($unfolded_changesets[$changeset_id]);
			}

			// Throw away any hidden changesets.
			foreach ($hidden_changesets as $changeset_id => $changeset) {
			unset($changesets[$changeset_id]);
			unset($unfolded_changesets[$changeset_id]);
			}

			$commit_hashes = mpull($diffs, 'getSourceControlBaseRevision');
			$local_commits = idx($props, 'local:commits', array());
			foreach ($local_commits as $local_commit) {
			$commit_hashes[] = idx($local_commit, 'tree');
			$commit_hashes[] = idx($local_commit, 'local');
			}
			$commit_hashes = array_unique(array_filter($commit_hashes));
			if ($commit_hashes) {
			$commits_for_links = id(new DiffusionCommitQuery())
			->setViewer($viewer)
			->withIdentifiers($commit_hashes)
			->execute();
			$commits_for_links = mpull(
			$commits_for_links,
			null,
			'getCommitIdentifier');
			} else {
			$commits_for_links = array();
			}

			$header = $this->buildHeader($revision);
			$subheader = $this->buildSubheaderView($revision);
			$details = $this->buildDetails($revision, $field_list);
			$curtain = $this->buildCurtain($revision);

			$repository = $revision->getRepository();
			if ($repository) {
			$symbol_indexes = $this->buildSymbolIndexes(
			$repository,
			$unfolded_changesets);
			} else {
			$symbol_indexes = array();
			}

			$revision_warnings = $this->buildRevisionWarnings(
			$revision,
			$field_list,
			$warning_handle_map,
			$handles);
			$info_view = null;
			if ($revision_warnings) {
			$info_view = id(new PHUIInfoView())
			->setSeverity(PHUIInfoView::SEVERITY_WARNING)
			->setErrors($revision_warnings);
			}

			$detail_diffs = array_select_keys(
			$diffs,
			array($diff_vs, $target->getID()));
			$detail_diffs = mpull($detail_diffs, null, 'getPHID');

			$this->loadHarbormasterData($detail_diffs);

			$diff_detail_box = $this->buildDiffDetailView(
			$detail_diffs,
			$revision,
			$field_list);

			$unit_box = $this->buildUnitMessagesView(
			$target,
			$revision);

			$timeline = $this->buildTransactions(
			$revision,
			$diff_vs ? $diffs[$diff_vs] : $target,
			$target,
			$old_ids,
			$new_ids);

			$timeline->setQuoteRef($revision->getMonogram());

			if ($this->isVeryLargeDiff()) {
			$messages = array();

			$messages[] = pht(
			'This very large diff affects more than %s files. Use the %s to '.
			'browse changes.',
			new PhutilNumber($this->getVeryLargeDiffLimit()),
			phutil_tag(
			'a',
			array(
			'href' => '/differential/diff/'.$target->getID().'/changesets/',
			),
			phutil_tag('strong', array(), pht('Changeset List'))));

			$changeset_view = id(new PHUIInfoView())
			->setErrors($messages);
			} else {
			$changeset_view = id(new DifferentialChangesetListView())
			->setChangesets($changesets)
			->setVisibleChangesets($unfolded_changesets)
			->setStandaloneURI('/differential/changeset/')
			->setRawFileURIs(
			'/differential/changeset/?view=old',
			'/differential/changeset/?view=new')
			->setUser($viewer)
			->setDiff($target)
			->setRenderingReferences($rendering_references)
			->setVsMap($vs_map)
			->setSymbolIndexes($symbol_indexes)
			->setTitle(pht('Diff %s', $target->getID()))
			->setBackground(PHUIObjectBoxView::BLUE_PROPERTY);

			$revision_id = $revision->getID();
			$inline_list_uri = "/revision/inlines/{$revision_id}/";
			$inline_list_uri = $this->getApplicationURI($inline_list_uri);
			$changeset_view->setInlineListURI($inline_list_uri);

			if ($repository) {
			$changeset_view->setRepository($repository);
			}

			if (!$viewer_is_anonymous) {
			$changeset_view->setInlineCommentControllerURI(
			'/differential/comment/inline/edit/'.$revision->getID().'/');
			}
			}

			$broken_diffs = $this->loadHistoryDiffStatus($diffs);

			$history = id(new DifferentialRevisionUpdateHistoryView())
			->setUser($viewer)
			->setDiffs($diffs)
			->setDiffUnitStatuses($broken_diffs)
			->setSelectedVersusDiffID($diff_vs)
			->setSelectedDiffID($target->getID())
			->setCommitsForLinks($commits_for_links);

			$local_table = id(new DifferentialLocalCommitsView())
			->setUser($viewer)
			->setLocalCommits(idx($props, 'local:commits'))
			->setCommitsForLinks($commits_for_links);

			if ($repository && !$this->isVeryLargeDiff()) {
			$other_revisions = $this->loadOtherRevisions(
			$changesets,
			$target,
			$repository);
			} else {
			$other_revisions = array();
			}

			$other_view = null;
			if ($other_revisions) {
			$other_view = $this->renderOtherRevisions($other_revisions);
			}

			if ($this->isVeryLargeDiff()) {
			$toc_view = null;

			// When rendering a "very large" diff, we skip computation of owners
			// that own no files because it is significantly expensive and not very
			// valuable.
			foreach ($revision->getReviewers() as $reviewer) {
			// Give each reviewer a dummy nonempty value so the UI does not render
			// the "(Owns No Changed Paths)" note. If that behavior becomes more
			// sophisticated in the future, this behavior might also need to.
			$reviewer->attachChangesets($changesets);
			}
			} else {
			$this->buildPackageMaps($changesets);

			$toc_view = $this->buildTableOfContents(
			$changesets,
			$unfolded_changesets,
			$target->loadCoverageMap($viewer));

			// Attach changesets to each reviewer so we can show which Owners package
			// reviewers own no files.
			foreach ($revision->getReviewers() as $reviewer) {
			$reviewer_phid = $reviewer->getReviewerPHID();
			$reviewer_changesets = $this->getPackageChangesets($reviewer_phid);
			$reviewer->attachChangesets($reviewer_changesets);
			}

			$authority_packages = $this->getAuthorityPackages();
			foreach ($changesets as $changeset) {
			$changeset_packages = $this->getChangesetPackages($changeset);

			$changeset
			->setAuthorityPackages($authority_packages)
			->setChangesetPackages($changeset_packages);
			}
			}

			$tab_group = new PHUITabGroupView();

			if ($toc_view) {
			$tab_group->addTab(
			id(new PHUITabView())
			->setName(pht('Files'))
			->setKey('files')
			->appendChild($toc_view));
			}

			$tab_group->addTab(
			id(new PHUITabView())
			->setName(pht('History'))
			->setKey('history')
			->appendChild($history));

			$filetree = id(new DifferentialFileTreeEngine())
			->setViewer($viewer);
			$filetree_collapsed = !$filetree->getIsVisible();

			// See PHI811. If the viewer has the file tree on, the files tab with the
			// table of contents is redundant, so default to the "History" tab instead.
			if (!$filetree_collapsed) {
			$tab_group->selectTab('history');
			}

			$tab_group->addTab(
			id(new PHUITabView())
			->setName(pht('Commits'))
			->setKey('commits')
			->appendChild($local_table));

			$stack_graph = id(new DifferentialRevisionGraph())
			->setViewer($viewer)
			->setSeedPHID($revision->getPHID())
			->setLoadEntireGraph(true)
			->loadGraph();
			if (!$stack_graph->isEmpty()) {
			// See PHI1900. The graph UI element now tries to figure out the correct
			// height automatically, but currently can't in this case because the
			// element is not visible when the page loads. Set an explicit height.
			$stack_graph->setHeight(34);

			$stack_table = $stack_graph->newGraphTable();

			$parent_type = DifferentialRevisionDependsOnRevisionEdgeType::EDGECONST;
			$reachable = $stack_graph->getReachableObjects($parent_type);

			foreach ($reachable as $key => $reachable_revision) {
			if ($reachable_revision->isClosed()) {
			unset($reachable[$key]);
			}
			}

			if ($reachable) {
			$stack_name = pht('Stack (%s Open)', phutil_count($reachable));
			$stack_color = PHUIListItemView::STATUS_FAIL;
			} else {
			$stack_name = pht('Stack');
			$stack_color = null;
			}

			$tab_group->addTab(
			id(new PHUITabView())
			->setName($stack_name)
			->setKey('stack')
			->setColor($stack_color)
			->appendChild($stack_table));
			}

			if ($other_view) {
			$tab_group->addTab(
			id(new PHUITabView())
			->setName(pht('Similar'))
			->setKey('similar')
			->appendChild($other_view));
			}

			$view_button = id(new PHUIButtonView())
			->setTag('a')
			->setText(pht('Changeset List'))
			->setHref('/differential/diff/'.$target->getID().'/changesets/')
			->setIcon('fa-align-left');

			$tab_header = id(new PHUIHeaderView())
			->setHeader(pht('Revision Contents'))
			->addActionLink($view_button);

			$tab_view = id(new PHUIObjectBoxView())
			->setHeader($tab_header)
			->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
			->addTabGroup($tab_group);

			$signatures = DifferentialRequiredSignaturesField::loadForRevision(
			$revision);
			$missing_signatures = false;
			foreach ($signatures as $phid => $signed) {
			if (!$signed) {
			$missing_signatures = true;
			}
			}

			$footer = array();
			$signature_message = null;
			if ($missing_signatures) {
			$signature_message = id(new PHUIInfoView())
			->setTitle(pht('Content Hidden'))
			->appendChild(
			pht(
			'The content of this revision is hidden until the author has '.
			'signed all of the required legal agreements.'));
			} else {
			$anchor = id(new PhabricatorAnchorView())
			->setAnchorName('toc')
			->setNavigationMarker(true);

			$footer[] = array(
			$anchor,
			$warnings,
			$tab_view,
			$changeset_view,
			);
			}

			$comment_view = id(new DifferentialRevisionEditEngine())
			->setViewer($viewer)
			->buildEditEngineCommentView($revision);

			$comment_view->setTransactionTimeline($timeline);

			$review_warnings = array();
			foreach ($field_list->getFields() as $field) {
			$review_warnings[] = $field->getWarningsForDetailView();
			}
			$review_warnings = array_mergev($review_warnings);

			if ($review_warnings) {
			$warnings_view = id(new PHUIInfoView())
			->setSeverity(PHUIInfoView::SEVERITY_WARNING)
			->setErrors($review_warnings);

			$comment_view->setInfoView($warnings_view);
			}

			$footer[] = $comment_view;

			$monogram = $revision->getMonogram();
			$operations_box = $this->buildOperationsBox($revision);

			$crumbs = $this->buildApplicationCrumbs();
			$crumbs->addTextCrumb($monogram);
			$crumbs->setBorder(true);

			$filetree
			->setChangesets($changesets)
			->setDisabled($this->isVeryLargeDiff());

			$view = id(new PHUITwoColumnView())
			->setHeader($header)
			->setSubheader($subheader)
			->setCurtain($curtain)
			->setMainColumn(
			array(
			$operations_box,
			$info_view,
			$details,
			$diff_detail_box,
			$unit_box,
			$timeline,
			$signature_message,
			))
			->setFooter($footer);

			$main_content = array(
			$crumbs,
			$view,
			);

			$main_content = $filetree->newView($main_content);

			if (!$filetree->getDisabled()) {
			$changeset_view->setFormationView($main_content);
			}

			$page = $this->newPage()
			->setTitle($monogram.' '.$revision->getTitle())
			->setPageObjectPHIDs(array($revision->getPHID()))
			->appendChild($main_content);

			return $page;
			}

			private function buildHeader(DifferentialRevision $revision) {
			$view = id(new PHUIHeaderView())
			->setHeader($revision->getTitle($revision))
			->setUser($this->getViewer())
			->setPolicyObject($revision)
			->setHeaderIcon('fa-cog');

			$status_tag = id(new PHUITagView())
			->setName($revision->getStatusDisplayName())
			->setIcon($revision->getStatusIcon())
			->setColor($revision->getStatusTagColor())
			->setType(PHUITagView::TYPE_SHADE);

			$view->addProperty(PHUIHeaderView::PROPERTY_STATUS, $status_tag);

			// If the revision is in a status other than "Draft", but not broadcasting,
			// add an additional "Draft" tag to the header to make it clear that this
			// revision hasn't promoted yet.
			if (!$revision->getShouldBroadcast() && !$revision->isDraft()) {
			$draft_status = DifferentialRevisionStatus::newForStatus(
			DifferentialRevisionStatus::DRAFT);

			$draft_tag = id(new PHUITagView())
			->setName($draft_status->getDisplayName())
			->setIcon($draft_status->getIcon())
			->setColor($draft_status->getTagColor())
			->setType(PHUITagView::TYPE_SHADE);

			$view->addTag($draft_tag);
			}

			return $view;
			}

			private function buildSubheaderView(DifferentialRevision $revision) {
			$viewer = $this->getViewer();

			$author_phid = $revision->getAuthorPHID();

			$author = $viewer->renderHandle($author_phid)->render();
			$date = phabricator_datetime($revision->getDateCreated(), $viewer);
			$author = phutil_tag('strong', array(), $author);

			$handles = $viewer->loadHandles(array($author_phid));
			$image_uri = $handles[$author_phid]->getImageURI();
			$image_href = $handles[$author_phid]->getURI();

			$content = pht('Authored by %s on %s.', $author, $date);

			return id(new PHUIHeadThingView())
			->setImage($image_uri)
			->setImageHref($image_href)
			->setContent($content);
			}

			private function buildDetails(
			DifferentialRevision $revision,
			$custom_fields) {
			$viewer = $this->getViewer();
			$properties = id(new PHUIPropertyListView())
			->setUser($viewer);

			if ($custom_fields) {
			$custom_fields->appendFieldsToPropertyList(
			$revision,
			$viewer,
			$properties);
			}

			$header = id(new PHUIHeaderView())
			->setHeader(pht('Details'));

			return id(new PHUIObjectBoxView())
			->setHeader($header)
			->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
			->appendChild($properties);
			}

			private function buildCurtain(DifferentialRevision $revision) {
			$viewer = $this->getViewer();
			$revision_id = $revision->getID();
			$revision_phid = $revision->getPHID();
			$curtain = $this->newCurtainView($revision);

			$can_edit = PhabricatorPolicyFilter::hasCapability(
			$viewer,
			$revision,
			PhabricatorPolicyCapability::CAN_EDIT);

			$curtain->addAction(
			id(new PhabricatorActionView())
			->setIcon('fa-pencil')
			->setHref("/differential/revision/edit/{$revision_id}/")
			->setName(pht('Edit Revision'))
			->setDisabled(!$can_edit)
			->setWorkflow(!$can_edit));

			$curtain->addAction(
			id(new PhabricatorActionView())
			->setIcon('fa-upload')
			->setHref("/differential/revision/update/{$revision_id}/")
			->setName(pht('Update Diff'))
			->setDisabled(!$can_edit)
			->setWorkflow(!$can_edit));

			$request_uri = $this->getRequest()->getRequestURI();
			$curtain->addAction(
			id(new PhabricatorActionView())
			->setIcon('fa-download')
			->setName(pht('Download Raw Diff'))
			->setHref($request_uri->alter('download', 'true')));

			$relationship_list = PhabricatorObjectRelationshipList::newForObject(
			$viewer,
			$revision);

			$revision_actions = array(
			DifferentialRevisionHasParentRelationship::RELATIONSHIPKEY,
			DifferentialRevisionHasChildRelationship::RELATIONSHIPKEY,
			);

			$revision_submenu = $relationship_list->newActionSubmenu($revision_actions)
			->setName(pht('Edit Related Revisions...'))
			->setIcon('fa-cog');

			$curtain->addAction($revision_submenu);

			$relationship_submenu = $relationship_list->newActionMenu();
			if ($relationship_submenu) {
			$curtain->addAction($relationship_submenu);
			}

			$repository = $revision->getRepository();
			if ($repository && $repository->canPerformAutomation()) {
			$revision_id = $revision->getID();

			$op = new DrydockLandRepositoryOperation();
			$barrier = $op->getBarrierToLanding($viewer, $revision);

			if ($barrier) {
			$can_land = false;
			} else {
			$can_land = true;
			}

			$action = id(new PhabricatorActionView())
			->setName(pht('Land Revision'))
			->setIcon('fa-fighter-jet')
			->setHref("/differential/revision/operation/{$revision_id}/")
			->setWorkflow(true)
			->setDisabled(!$can_land);

			$curtain->addAction($action);
			}

			return $curtain;
			}

			private function loadHistoryDiffStatus(array $diffs) {
			assert_instances_of($diffs, 'DifferentialDiff');

			$diff_phids = mpull($diffs, 'getPHID');
			$bad_unit_status = array(
			ArcanistUnitTestResult::RESULT_FAIL,
			ArcanistUnitTestResult::RESULT_BROKEN,
			);

			$message = new HarbormasterBuildUnitMessage();
			$target = new HarbormasterBuildTarget();
			$build = new HarbormasterBuild();
			$buildable = new HarbormasterBuildable();

			$broken_diffs = queryfx_all(
			$message->establishConnection('r'),
			'SELECT distinct a.buildablePHID
			FROM %T m
			JOIN %T t ON m.buildTargetPHID = t.phid
			JOIN %T b ON t.buildPHID = b.phid
			JOIN %T a ON b.buildablePHID = a.phid
			WHERE a.buildablePHID IN (%Ls)
			AND m.result in (%Ls)',
			$message->getTableName(),
			$target->getTableName(),
			$build->getTableName(),
			$buildable->getTableName(),
			$diff_phids,
			$bad_unit_status);

			$unit_status = array();
			foreach ($broken_diffs as $broken) {
			$phid = $broken['buildablePHID'];
			$unit_status[$phid] = DifferentialUnitStatus::UNIT_FAIL;
			}

			return $unit_status;
			}

			private function loadChangesetsAndVsMap(
			DifferentialDiff $target,
			?DifferentialDiff $diff_vs = null,
			?PhabricatorRepository $repository = null) {
			$viewer = $this->getViewer();

			$load_diffs = array($target);
			if ($diff_vs) {
			$load_diffs[] = $diff_vs;
			}

			$raw_changesets = id(new DifferentialChangesetQuery())
			->setViewer($viewer)
			->withDiffs($load_diffs)
			->execute();
			$changeset_groups = mgroup($raw_changesets, 'getDiffID');

			$changesets = idx($changeset_groups, $target->getID(), array());
			$changesets = mpull($changesets, null, 'getID');

			$refs = array();
			$vs_map = array();
			$vs_changesets = array();
			$must_compare = array();
			if ($diff_vs) {
			$vs_id = $diff_vs->getID();
			$vs_changesets_path_map = array();
			foreach (idx($changeset_groups, $vs_id, array()) as $changeset) {
			$path = $changeset->getAbsoluteRepositoryPath($repository, $diff_vs);
			$vs_changesets_path_map[$path] = $changeset;
			$vs_changesets[$changeset->getID()] = $changeset;
			}

			foreach ($changesets as $key => $changeset) {
			$path = $changeset->getAbsoluteRepositoryPath($repository, $target);
			if (isset($vs_changesets_path_map[$path])) {
			$vs_map[$changeset->getID()] =
			$vs_changesets_path_map[$path]->getID();
			$refs[$changeset->getID()] =
			$changeset->getID().'/'.$vs_changesets_path_map[$path]->getID();
			unset($vs_changesets_path_map[$path]);

			$must_compare[] = $changeset->getID();

			} else {
			$refs[$changeset->getID()] = $changeset->getID();
			}
			}

			foreach ($vs_changesets_path_map as $path => $changeset) {
			$changesets[$changeset->getID()] = $changeset;
			$vs_map[$changeset->getID()] = -1;
			$refs[$changeset->getID()] = $changeset->getID().'/-1';
			}

			} else {
			foreach ($changesets as $changeset) {
			$refs[$changeset->getID()] = $changeset->getID();
			}
			}

			$changesets = msort($changesets, 'getSortKey');

			// See T13137. When displaying the diff between two updates, hide any
			// changesets which haven't actually changed.
			$this->hiddenChangesets = array();
			foreach ($must_compare as $changeset_id) {
			$changeset = $changesets[$changeset_id];
			$vs_changeset = $vs_changesets[$vs_map[$changeset_id]];

			if ($changeset->hasSameEffectAs($vs_changeset)) {
			$this->hiddenChangesets[$changeset_id] = $changesets[$changeset_id];
			}
			}

			return array($changesets, $vs_map, $vs_changesets, $refs);
			}

			private function buildSymbolIndexes(
			PhabricatorRepository $repository,
			array $unfolded_changesets) {
			assert_instances_of($unfolded_changesets, 'DifferentialChangeset');

			$engine = PhabricatorSyntaxHighlighter::newEngine();

			$langs = $repository->getSymbolLanguages();
			$langs = nonempty($langs, array());

			$sources = $repository->getSymbolSources();
			$sources = nonempty($sources, array());

			$symbol_indexes = array();

			if ($langs && $sources) {
			$have_symbols = id(new DiffusionSymbolQuery())
			->existsSymbolsInRepository($repository->getPHID());
			if (!$have_symbols) {
			return $symbol_indexes;
			}
			}

			$repository_phids = array_merge(
			array($repository->getPHID()),
			$sources);

			$indexed_langs = array_fill_keys($langs, true);
			foreach ($unfolded_changesets as $key => $changeset) {
			$lang = $engine->getLanguageFromFilename($changeset->getFilename());
			if (empty($indexed_langs) \|\| isset($indexed_langs[$lang])) {
			$symbol_indexes[$key] = array(
			'lang' => $lang,
			'repositories' => $repository_phids,
			);
			}
			}

			return $symbol_indexes;
			}

			private function loadOtherRevisions(
			array $changesets,
			DifferentialDiff $target,
			PhabricatorRepository $repository) {
			assert_instances_of($changesets, 'DifferentialChangeset');

			$viewer = $this->getViewer();

			$paths = array();
			foreach ($changesets as $changeset) {
			$paths[] = $changeset->getAbsoluteRepositoryPath(
			$repository,
			$target);
			}

			if (!$paths) {
			return array();
			}

			$recent = (PhabricatorTime::getNow() - phutil_units('30 days in seconds'));

			$query = id(new DifferentialRevisionQuery())
			->setViewer($viewer)
			->withIsOpen(true)
			->withUpdatedEpochBetween($recent, null)
			->setOrder(DifferentialRevisionQuery::ORDER_MODIFIED)
			->setLimit(10)
			->needFlags(true)
			->needDrafts(true)
			->needReviewers(true)
			->withRepositoryPHIDs(
			array(
			$repository->getPHID(),
			))
			->withPaths($paths);

			$results = $query->execute();

			// Strip out this revision.
			foreach ($results as $key => $result) {
			if ($result->getID() == $this->revisionID) {
			unset($results[$key]);
			break;
			}
			}

			return $results;
			}

			private function renderOtherRevisions(array $revisions) {
			assert_instances_of($revisions, 'DifferentialRevision');
			$viewer = $this->getViewer();

			$header = id(new PHUIHeaderView())
			->setHeader(pht('Recent Similar Revisions'));

			return id(new DifferentialRevisionListView())
			->setViewer($viewer)
			->setRevisions($revisions)
			->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
			->setNoBox(true);
			}


			private function buildRawDiffResponse(
			DifferentialRevision $revision,
			array $changesets,
			array $vs_changesets,
			array $vs_map,
			?PhabricatorRepository $repository = null) {

			assert_instances_of($changesets, 'DifferentialChangeset');
			assert_instances_of($vs_changesets, 'DifferentialChangeset');

			$viewer = $this->getViewer();

			id(new DifferentialHunkQuery())
			->setViewer($viewer)
			->withChangesets($changesets)
			->needAttachToChangesets(true)
			->execute();

			$diff = new DifferentialDiff();
			$diff->attachChangesets($changesets);
			$raw_changes = $diff->buildChangesList();
			$changes = array();
			foreach ($raw_changes as $changedict) {
			$changes[] = ArcanistDiffChange::newFromDictionary($changedict);
			}

			$loader = id(new PhabricatorFileBundleLoader())
			->setViewer($viewer);

			$bundle = ArcanistBundle::newFromChanges($changes);
			$bundle->setLoadFileDataCallback(array($loader, 'loadFileData'));

			$vcs = $repository ? $repository->getVersionControlSystem() : null;
			switch ($vcs) {
			case PhabricatorRepositoryType::REPOSITORY_TYPE_GIT:
			case PhabricatorRepositoryType::REPOSITORY_TYPE_MERCURIAL:
			$raw_diff = $bundle->toGitPatch();
			break;
			case PhabricatorRepositoryType::REPOSITORY_TYPE_SVN:
			default:
			$raw_diff = $bundle->toUnifiedDiff();
			break;
			}

			$request_uri = $this->getRequest()->getRequestURI();

			// Filename ends up being something like D123.1692295858.diff
			// This discards some options in the query string that may affect the diff
			// response, but is intentional to avoid spammy titles from bot requests.
			$timestamp =
			PhabricatorTime::getNow() +
			phutil_units('24 hours in seconds');
			$file_name = ltrim($request_uri->getPath(), '/').'.'.$timestamp.'.diff';

			$iterator = new ArrayIterator(array($raw_diff));

			$source = id(new PhabricatorIteratorFileUploadSource())
			->setName($file_name)
			->setMIMEType('text/plain')
			->setRelativeTTL(phutil_units('24 hours in seconds'))
			->setViewPolicy(PhabricatorPolicies::POLICY_NOONE)
			->setIterator($iterator);

			$unguarded = AphrontWriteGuard::beginScopedUnguardedWrites();
			$file = $source->uploadFile();
			$file->attachToObject($revision->getPHID());
			unset($unguarded);

			return $file->getRedirectResponse();
			}

			private function buildTransactions(
			DifferentialRevision $revision,
			DifferentialDiff $left_diff,
			DifferentialDiff $right_diff,
			array $old_ids,
			array $new_ids) {

			$timeline = $this->buildTransactionTimeline(
			$revision,
			new DifferentialTransactionQuery(),
			$engine = null,
			array(
			'left' => $left_diff->getID(),
			'right' => $right_diff->getID(),
			'old' => implode(',', $old_ids),
			'new' => implode(',', $new_ids),
			));

			return $timeline;
			}

			private function buildRevisionWarnings(
			DifferentialRevision $revision,
			PhabricatorCustomFieldList $field_list,
			array $warning_handle_map,
			array $handles) {

			$warnings = array();
			foreach ($field_list->getFields() as $key => $field) {
			$phids = idx($warning_handle_map, $key, array());
			$field_handles = array_select_keys($handles, $phids);
			$field_warnings = $field->getWarningsForRevisionHeader($field_handles);
			foreach ($field_warnings as $warning) {
			$warnings[] = $warning;
			}
			}

			return $warnings;
			}

			private function buildDiffDetailView(
			array $diffs,
			DifferentialRevision $revision,
			PhabricatorCustomFieldList $field_list) {
			$viewer = $this->getViewer();

			$fields = array();
			foreach ($field_list->getFields() as $field) {
			if ($field->shouldAppearInDiffPropertyView()) {
			$fields[] = $field;
			}
			}

			if (!$fields) {
			return null;
			}

			$property_lists = array();
			foreach ($this->getDiffTabLabels($diffs) as $tab) {
			list($label, $diff) = $tab;

			$property_lists[] = array(
			$label,
			$this->buildDiffPropertyList($diff, $revision, $fields),
			);
			}

			$tab_group = id(new PHUITabGroupView())
			->setHideSingleTab(true);

			foreach ($property_lists as $key => $property_list) {
			list($tab_name, $list_view) = $property_list;

			$tab = id(new PHUITabView())
			->setKey($key)
			->setName($tab_name)
			->appendChild($list_view);

			$tab_group->addTab($tab);
			$tab_group->selectTab($key);
			}

			return id(new PHUIObjectBoxView())
			->setHeaderText(pht('Diff Detail'))
			->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
			->setUser($viewer)
			->addTabGroup($tab_group);
			}

			private function buildDiffPropertyList(
			DifferentialDiff $diff,
			DifferentialRevision $revision,
			array $fields) {
			$viewer = $this->getViewer();

			$view = id(new PHUIPropertyListView())
			->setUser($viewer)
			->setObject($diff);

			foreach ($fields as $field) {
			$label = $field->renderDiffPropertyViewLabel($diff);
			$value = $field->renderDiffPropertyViewValue($diff);
			if ($value !== null) {
			$view->addProperty($label, $value);
			}
			}

			return $view;
			}

			private function buildOperationsBox(DifferentialRevision $revision) {
			$viewer = $this->getViewer();

			// Save a query if we can't possibly have pending operations.
			$repository = $revision->getRepository();
			if (!$repository \|\| !$repository->canPerformAutomation()) {
			return null;
			}

			$operations = id(new DrydockRepositoryOperationQuery())
			->setViewer($viewer)
			->withObjectPHIDs(array($revision->getPHID()))
			->withIsDismissed(false)
			->withOperationTypes(
			array(
			DrydockLandRepositoryOperation::OPCONST,
			))
			->execute();
			if (!$operations) {
			return null;
			}

			$state_fail = DrydockRepositoryOperation::STATE_FAIL;

			// We're going to show the oldest operation which hasn't failed, or the
			// most recent failure if they're all failures.
			$operations = msort($operations, 'getID');
			foreach ($operations as $operation) {
			if ($operation->getOperationState() != $state_fail) {
			break;
			}
			}

			// If we found a completed operation, don't render anything. We don't want
			// to show an older error after the thing worked properly.
			if ($operation->isDone()) {
			return null;
			}

			$box_view = id(new PHUIObjectBoxView())
			->setHeaderText(pht('Active Operations'))
			->setBackground(PHUIObjectBoxView::BLUE_PROPERTY);

			return id(new DrydockRepositoryOperationStatusView())
			->setUser($viewer)
			->setBoxView($box_view)
			->setOperation($operation);
			}

			private function buildUnitMessagesView(
			DifferentialDiff $diff,
			DifferentialRevision $revision) {
			$viewer = $this->getViewer();

			if (!$diff->getBuildable()) {
			return null;
			}

			if (!$diff->getUnitMessages()) {
			return null;
			}

			$interesting_messages = array();
			foreach ($diff->getUnitMessages() as $message) {
			switch ($message->getResult()) {
			case ArcanistUnitTestResult::RESULT_PASS:
			case ArcanistUnitTestResult::RESULT_SKIP:
			break;
			default:
			$interesting_messages[] = $message;
			break;
			}
			}

			if (!$interesting_messages) {
			return null;
			}

			return id(new HarbormasterUnitSummaryView())
			->setViewer($viewer)
			->setBuildable($diff->getBuildable())
			->setUnitMessages($diff->getUnitMessages())
			->setLimit(5)
			->setShowViewAll(true);
			}

			private function getOldDiffID(DifferentialRevision $revision, array $diffs) {
			assert_instances_of($diffs, 'DifferentialDiff');
			$request = $this->getRequest();

			$diffs = mpull($diffs, null, 'getID');

			$is_new = ($request->getURIData('filter') === 'new');
			$old_id = $request->getInt('vs');

			// This is ambiguous, so just 404 rather than trying to figure out what
			// the user expects.
			if ($is_new && $old_id) {
			return new Aphront404Response();
			}

			if ($is_new) {
			$viewer = $this->getViewer();

			$xactions = id(new DifferentialTransactionQuery())
			->setViewer($viewer)
			->withObjectPHIDs(array($revision->getPHID()))
			->withAuthorPHIDs(array($viewer->getPHID()))
			->setOrder('newest')
			->setLimit(1)
			->execute();

			if (!$xactions) {
			$this->warnings[] = id(new PHUIInfoView())
			->setTitle(pht('No Actions'))
			->setSeverity(PHUIInfoView::SEVERITY_WARNING)
			->appendChild(
			pht(
			'Showing all changes because you have never taken an '.
			'action on this revision.'));
			} else {
			$xaction = head($xactions);

			// Find the transactions which updated this revision. We want to
			// figure out which diff was active when you last took an action.
			$updates = id(new DifferentialTransactionQuery())
			->setViewer($viewer)
			->withObjectPHIDs(array($revision->getPHID()))
			->withTransactionTypes(
			array(
			DifferentialRevisionUpdateTransaction::TRANSACTIONTYPE,
			))
			->setOrder('oldest')
			->execute();

			// Sort the diffs into two buckets: those older than your last action
			// and those newer than your last action.
			$older = array();
			$newer = array();
			foreach ($updates as $update) {
			// If you updated the revision with "arc diff", try to count that
			// update as "before your last action".
			if ($update->getDateCreated() <= $xaction->getDateCreated()) {
			$older[] = $update->getNewValue();
			} else {
			$newer[] = $update->getNewValue();
			}
			}

			if (!$newer) {
			$this->warnings[] = id(new PHUIInfoView())
			->setTitle(pht('No Recent Updates'))
			->setSeverity(PHUIInfoView::SEVERITY_WARNING)
			->appendChild(
			pht(
			'Showing all changes because the diff for this revision '.
			'has not been updated since your last action.'));
			} else {
			$older = array_fuse($older);

			// Find the most recent diff from before the last action.
			$old = null;
			foreach ($diffs as $diff) {
			if (!isset($older[$diff->getPHID()])) {
			break;
			}

			$old = $diff;
			}

			// It's possible we may not find such a diff: transactions may have
			// been removed from the database, for example. If we miss, just
			// fail into some reasonable state since 404'ing would be perplexing.
			if ($old) {
			$this->warnings[] = id(new PHUIInfoView())
			->setTitle(pht('New Changes Shown'))
			->setSeverity(PHUIInfoView::SEVERITY_NOTICE)
			->appendChild(
			pht(
			'Showing changes since the last action you took on this '.
			'revision.'));

			$old_id = $old->getID();
			}
			}
			}
			}

			if (isset($diffs[$old_id])) {
			return $old_id;
			}

			return null;
			}

			private function getNewDiffID(DifferentialRevision $revision, array $diffs) {
			assert_instances_of($diffs, 'DifferentialDiff');
			$request = $this->getRequest();

			$diffs = mpull($diffs, null, 'getID');

			$is_new = ($request->getURIData('filter') === 'new');
			$new_id = $request->getInt('id');

			if ($is_new && $new_id) {
			return new Aphront404Response();
			}

			if (isset($diffs[$new_id])) {
			return $new_id;
			}

			return (int)last_key($diffs);
			}

			}

Owner Packages

No Owners

phorge/src/applications/differential/controller/DifferentialRevisionViewController.phpe81eff68e581HEAD -> master

DifferentialRevisionViewController.phpView Options

Owner Packages

phorge/src/applications/differential/controller/DifferentialRevisionViewController.php
e81eff68e581HEAD -> master

DifferentialRevisionViewController.php
View Options