DiffusionRepositoryController.php
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DiffusionRepositoryController.php
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	<?php

	final class DiffusionRepositoryController extends DiffusionController {

	private $browseFuture;
	private $branchButton = null;
	private $branchFuture;

	public function shouldAllowPublic() {
	return true;
	}

	public function handleRequest(AphrontRequest $request) {
	$response = $this->loadDiffusionContext();
	if ($response) {
	return $response;
	}

	require_celerity_resource('diffusion-css');

	$viewer = $this->getViewer();
	$drequest = $this->getDiffusionRequest();
	$repository = $drequest->getRepository();

	$crumbs = $this->buildCrumbs();
	$crumbs->setBorder(true);

	$header = $this->buildHeaderView($repository);
	$actions = $this->buildActionList($repository);
	$description = $this->buildDescriptionView($repository);
	$locate_file = $this->buildLocateFile();

	// Before we do any work, make sure we're looking at a some content: we're
	// on a valid branch, and the repository is not empty.
	$page_has_content = false;
	$empty_title = null;
	$empty_message = null;

	// If this VCS supports branches, check that the selected branch actually
	// exists.
	if ($drequest->supportsBranches()) {
	// NOTE: Mercurial may have multiple branch heads with the same name.
	$ref_cursors = id(new PhabricatorRepositoryRefCursorQuery())
	->setViewer($viewer)
	->withRepositoryPHIDs(array($repository->getPHID()))
	->withRefTypes(array(PhabricatorRepositoryRefCursor::TYPE_BRANCH))
	->withRefNames(array($drequest->getBranch()))
	->needPositions(true)
	->execute();

	// It's possible that this branch previously existed, but has been
	// deleted. Make sure we have valid cursor positions, not just cursors.
	$any_positions = false;
	foreach ($ref_cursors as $ref_cursor) {
	if ($ref_cursor->getPositions()) {
	$any_positions = true;
	break;
	}
	}

	if ($any_positions) {
	// This is a valid branch, so we necessarily have some content.
	$page_has_content = true;
	} else {
	$default = $repository->getDefaultBranch();
	if ($default != $drequest->getBranch()) {
	$empty_title = pht('No Such Branch');
	$empty_message = pht(
	'There is no branch named "%s" in this repository.',
	$drequest->getBranch());
	} else {
	$empty_title = pht('No Default Branch');
	$empty_message = pht(
	'This repository is configured with default branch "%s" but '.
	'there is no branch with that name in this repository.',
	$default);
	}
	}
	}

	// If we didn't find any branches, check if there are any commits at all.
	// This can tailor the message for empty repositories.
	$any_commit = null;
	if (!$page_has_content) {
	$any_commit = id(new DiffusionCommitQuery())
	->setViewer($viewer)
	->withRepository($repository)
	->setLimit(1)
	->execute();
	if ($any_commit) {
	if (!$drequest->supportsBranches()) {
	$page_has_content = true;
	}
	} else {
	$empty_title = pht('Empty Repository');
	$empty_message = pht('This repository does not have any commits yet.');
	}
	}

	if ($page_has_content) {
	$content = $this->buildNormalContent($drequest);
	} else {
	// If we have a commit somewhere, find branches.
	// TODO: Evan will replace
	// $this->buildNormalContent($drequest);
	$content = id(new PHUIInfoView())
	->setTitle($empty_title)
	->setSeverity(PHUIInfoView::SEVERITY_WARNING)
	->setErrors(array($empty_message));
	}

	$tabs = $this->buildTabsView('home');

	$clone_uri = $drequest->generateURI(
	array(
	'action' => 'clone',
	));

	if ($repository->isSVN()) {
	$clone_text = pht('Checkout');
	} else {
	$clone_text = pht('Clone');
	}

	$actions_button = id(new PHUIButtonView())
	->setTag('a')
	->setText(pht('Actions'))
	->setIcon('fa-bars')
	->addClass('mmr')
	->setColor(PHUIButtonView::GREY)
	->setDropdown(true)
	->setDropdownMenu($actions);

	$clone_button = id(new PHUIButtonView())
	->setTag('a')
	->setText($clone_text)
	->setColor(PHUIButtonView::GREEN)
	->setIcon('fa-download')
	->setWorkflow(true)
	->setHref($clone_uri);

	$bar = id(new PHUILeftRightView())
	->setLeft($locate_file)
	->setRight(array($this->branchButton, $actions_button, $clone_button))
	->addClass('diffusion-action-bar');

	$status_view = null;
	if ($repository->isReadOnly()) {
	$status_view = id(new PHUIInfoView())
	->setSeverity(PHUIInfoView::SEVERITY_WARNING)
	->setErrors(
	array(
	phutil_escape_html_newlines(
	$repository->getReadOnlyMessageForDisplay()),
	));
	}

	$view = id(new PHUITwoColumnView())
	->setHeader($header)
	->setFooter(
	array(
	$status_view,
	$bar,
	$description,
	$content,
	));

	if ($page_has_content) {
	$view->setTabs($tabs);
	}

	return $this->newPage()
	->setTitle(
	array(
	$repository->getName(),
	$repository->getDisplayName(),
	))
	->setCrumbs($crumbs)
	->appendChild(array(
	$view,
	));
	}


	private function buildNormalContent(DiffusionRequest $drequest) {
	$request = $this->getRequest();
	$repository = $drequest->getRepository();

	$commit = $drequest->getCommit();
	$path = $drequest->getPath();

	$futures = array();

	$browse_pager = id(new PHUIPagerView())
	->readFromRequest($request);

	$this->browseFuture = $this->callConduitMethod(
	'diffusion.browsequery',
	array(
	'commit' => $commit,
	'path' => $path,
	'limit' => $browse_pager->getPageSize() + 1,
	));
	$futures[] = $this->browseFuture;

	if ($this->needBranchFuture()) {
	$branch_limit = $this->getBranchLimit();
	$this->branchFuture = $this->callConduitMethod(
	'diffusion.branchquery',
	array(
	'closed' => false,
	'limit' => $branch_limit + 1,
	));
	$futures[] = $this->branchFuture;
	}

	$futures = array_filter($futures);
	$futures = new FutureIterator($futures);
	foreach ($futures as $future) {
	// Just resolve all the futures before continuing.
	}

	$content = array();

	try {
	$browse_results = $this->browseFuture->resolve();
	$browse_results = DiffusionBrowseResultSet::newFromConduit(
	$browse_results);

	$browse_paths = $browse_results->getPaths();
	$browse_paths = $browse_pager->sliceResults($browse_paths);

	$browse_exception = null;
	} catch (Exception $ex) {
	$browse_results = null;
	$browse_paths = null;
	$browse_exception = $ex;
	}

	if ($browse_results) {
	$readme = $this->renderDirectoryReadme($browse_results);
	} else {
	$readme = null;
	}

	if ($readme) {
	$content[] = $readme;
	}

	$content[] = $this->buildBrowseTable(
	$browse_results,
	$browse_paths,
	$browse_exception,
	$browse_pager);

	try {
	$branch_button = $this->buildBranchList($drequest);
	$this->branchButton = $branch_button;
	} catch (Exception $ex) {
	if (!$repository->isImporting()) {
	$content[] = $this->renderStatusMessage(
	pht('Unable to Load Branches'),
	$ex->getMessage());
	}
	}

	return $content;
	}

	private function buildHeaderView(PhabricatorRepository $repository) {
	$viewer = $this->getViewer();
	$drequest = $this->getDiffusionRequest();
	$search = $this->renderSearchForm();

	$header = id(new PHUIHeaderView())
	->setHeader($repository->getName())
	->setUser($viewer)
	->setPolicyObject($repository)
	->setProfileHeader(true)
	->setImage($repository->getProfileImageURI())
	->setImageEditURL('/diffusion/picture/'.$repository->getID().'/')
	->addActionItem($search)
	->addClass('diffusion-profile-header');

	if (!$repository->isTracked()) {
	$header->setStatus('fa-ban', 'dark', pht('Inactive'));
	} else if ($repository->isReadOnly()) {
	$header->setStatus('fa-wrench', 'indigo', pht('Under Maintenance'));
	} else if ($repository->isImporting()) {
	$ratio = $repository->loadImportProgress();
	$percentage = sprintf('%.2f%%', 100 * $ratio);
	$header->setStatus(
	'fa-clock-o',
	'indigo',
	pht('Importing (%s)...', $percentage));
	} else if ($repository->isPublishingDisabled()) {
	$header->setStatus('fa-minus', 'bluegrey', pht('Publishing Disabled'));
	} else {
	$header->setStatus('fa-check', 'bluegrey', pht('Active'));
	}

	if (!$repository->isSVN()) {
	$default = $repository->getDefaultBranch();
	if ($default != $drequest->getBranch()) {
	$branch_tag = $this->renderBranchTag($drequest);
	$header->addTag($branch_tag);
	}
	}

	return $header;
	}

	private function buildActionList(PhabricatorRepository $repository) {
	$viewer = $this->getViewer();

	$edit_uri = $repository->getPathURI('manage/');
	$action_view = id(new PhabricatorActionListView())
	->setUser($viewer)
	->setObject($repository);

	$action_view->addAction(
	id(new PhabricatorActionView())
	->setName(pht('Manage Repository'))
	->setIcon('fa-cogs')
	->setHref($edit_uri));

	if ($repository->isHosted()) {
	$push_uri = $this->getApplicationURI(
	'pushlog/?repositories='.$repository->getPHID());

	$action_view->addAction(
	id(new PhabricatorActionView())
	->setName(pht('View Push Logs'))
	->setIcon('fa-upload')
	->setHref($push_uri));

	$pull_uri = $this->getApplicationURI(
	'synclog/?repositories='.$repository->getPHID());

	$action_view->addAction(
	id(new PhabricatorActionView())
	->setName(pht('View Sync Logs'))
	->setIcon('fa-exchange')
	->setHref($pull_uri));
	}

	$pull_uri = $this->getApplicationURI(
	'pulllog/?repositories='.$repository->getPHID());

	$action_view->addAction(
	id(new PhabricatorActionView())
	->setName(pht('View Pull Logs'))
	->setIcon('fa-download')
	->setHref($pull_uri));

	return $action_view;
	}

	private function buildDescriptionView(PhabricatorRepository $repository) {
	$viewer = $this->getViewer();
	$view = id(new PHUIPropertyListView())
	->setUser($viewer);

	$description = $repository->getDetail('description');
	if (strlen($description)) {
	$description = new PHUIRemarkupView($viewer, $description);
	$view->addTextContent($description);
	return id(new PHUIObjectBoxView())
	->appendChild($view)
	->addClass('diffusion-profile-description');
	}
	return null;
	}

	private function buildBranchList(DiffusionRequest $drequest) {
	$viewer = $this->getViewer();

	if (!$this->needBranchFuture()) {
	return null;
	}

	$branches = $this->branchFuture->resolve();
	if (!$branches) {
	return null;
	}

	$limit = $this->getBranchLimit();
	$more_branches = (count($branches) > $limit);
	$branches = array_slice($branches, 0, $limit);

	$branches = DiffusionRepositoryRef::loadAllFromDictionaries($branches);

	$actions = id(new PhabricatorActionListView())
	->setViewer($viewer);

	foreach ($branches as $branch) {
	$branch_uri = $drequest->generateURI(
	array(
	'action' => 'branch',
	'branch' => $branch->getShortname(),
	));
	$actions->addAction(
	id(new PhabricatorActionView())
	->setName($branch->getShortname())
	->setIcon('fa-code-fork')
	->setHref($branch_uri));
	}

	if ($more_branches) {
	$more_uri = $drequest->generateURI(
	array(
	'action' => 'branches',
	));
	$actions->addAction(
	id(new PhabricatorActionView())
	->setType(PhabricatorActionView::TYPE_DIVIDER));
	$actions->addAction(
	id(new PhabricatorActionView())
	->setName(pht('See More Branches'))
	->setIcon('fa-external-link')
	->setHref($more_uri));
	}

	$button = id(new PHUIButtonView())
	->setText(pht('Branch: %s', $drequest->getBranch()))
	->setTag('a')
	->addClass('mmr')
	->setIcon('fa-code-fork')
	->setColor(PHUIButtonView::GREY)
	->setDropdown(true)
	->setDropdownMenu($actions);

	return $button;
	}

	private function buildBrowseTable(
	$browse_results,
	$browse_paths,
	$browse_exception,
	PHUIPagerView $pager) {

	require_celerity_resource('diffusion-icons-css');

	$request = $this->getRequest();
	$viewer = $request->getUser();
	$drequest = $this->getDiffusionRequest();
	$repository = $drequest->getRepository();

	if ($browse_exception) {
	if ($repository->isImporting()) {
	// The history table renders a useful message.
	return null;
	} else {
	return $this->renderStatusMessage(
	pht('Unable to Retrieve Paths'),
	$browse_exception->getMessage());
	}
	}

	$browse_table = id(new DiffusionBrowseTableView())
	->setUser($viewer)
	->setDiffusionRequest($drequest);
	if ($browse_paths) {
	$browse_table->setPaths($browse_paths);
	} else {
	$browse_table->setPaths(array());
	}

	$browse_uri = $drequest->generateURI(array('action' => 'browse'));
	$pager->setURI($browse_uri, 'offset');

	$repository_name = $repository->getName();
	$branch_name = $drequest->getBranch();
	if (phutil_nonempty_string($branch_name)) {
	$repository_name .= ' ('.$branch_name.')';
	}

	$header = phutil_tag(
	'a',
	array(
	'href' => $browse_uri,
	'class' => 'diffusion-view-browse-header',
	),
	$repository_name);

	return id(new PHUIObjectBoxView())
	->setHeaderText($header)
	->setBackground(PHUIObjectBoxView::BLUE_PROPERTY)
	->setTable($browse_table)
	->addClass('diffusion-mobile-view')
	->setPager($pager);
	}

	private function needBranchFuture() {
	$drequest = $this->getDiffusionRequest();

	if ($drequest->getBranch() === null) {
	return false;
	}

	return true;
	}

	private function getBranchLimit() {
	return 15;
	}

	}

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