PhabricatorPasteViewController.php
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	<?php

	/**
	* group paste
	*/
	final class PhabricatorPasteViewController extends PhabricatorPasteController {

	private $highlightMap;

	public function shouldAllowPublic() {
	return true;
	}

	public function willProcessRequest(array $data) {
	$raw_lines = idx($data, 'lines');
	$map = array();
	if ($raw_lines) {
	$lines = explode('-', $raw_lines);
	$first = idx($lines, 0, 0);
	$last = idx($lines, 1);
	if ($last) {
	$min = min($first, $last);
	$max = max($first, $last);
	$map = array_fuse(range($min, $max));
	} else {
	$map[$first] = $first;
	}
	}
	$this->highlightMap = $map;
	}

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

	$paste = id(new PhabricatorPasteQuery())
	->setViewer($viewer)
	->withIDs(array($id))
	->needContent(true)
	->executeOne();
	if (!$paste) {
	return new Aphront404Response();
	}

	$forks = id(new PhabricatorPasteQuery())
	->setViewer($viewer)
	->withParentPHIDs(array($paste->getPHID()))
	->execute();
	$fork_phids = mpull($forks, 'getPHID');

	$header = $this->buildHeaderView($paste);
	$actions = $this->buildActionView($viewer, $paste);
	$properties = $this->buildPropertyView($paste, $fork_phids, $actions);

	$object_box = id(new PHUIObjectBoxView())
	->setHeader($header)
	->addPropertyList($properties);

	$source_code = $this->buildSourceCodeView($paste, $this->highlightMap);

	require_celerity_resource('paste-css');
	$source_code = phutil_tag(
	'div',
	array(
	'class' => 'container-of-paste',
	),
	$source_code);

	$crumbs = $this->buildApplicationCrumbs($this->buildSideNavView())
	->addTextCrumb('P'.$paste->getID(), '/P'.$paste->getID());

	$timeline = $this->buildTransactionTimeline(
	$paste,
	new PhabricatorPasteTransactionQuery());

	$is_serious = PhabricatorEnv::getEnvConfig('phabricator.serious-business');

	$add_comment_header = $is_serious
	? pht('Add Comment')
	: pht('Eat Paste');

	$draft = PhabricatorDraft::newFromUserAndKey($viewer, $paste->getPHID());

	$add_comment_form = id(new PhabricatorApplicationTransactionCommentView())
	->setUser($viewer)
	->setObjectPHID($paste->getPHID())
	->setDraft($draft)
	->setHeaderText($add_comment_header)
	->setAction($this->getApplicationURI('/comment/'.$paste->getID().'/'))
	->setSubmitButtonName(pht('Add Comment'));

	return $this->buildApplicationPage(
	array(
	$crumbs,
	$object_box,
	$source_code,
	$timeline,
	$add_comment_form,
	),
	array(
	'title' => $paste->getFullName(),
	'pageObjects' => array($paste->getPHID()),
	));
	}

	private function buildHeaderView(PhabricatorPaste $paste) {
	$title = (nonempty($paste->getTitle())) ?
	$paste->getTitle() : pht('(An Untitled Masterwork)');

	if ($paste->isArchived()) {
	$header_icon = 'fa-ban';
	$header_name = pht('Archived');
	$header_color = 'dark';
	} else {
	$header_icon = 'fa-check';
	$header_name = pht('Active');
	$header_color = 'bluegrey';
	}

	$header = id(new PHUIHeaderView())
	->setHeader($title)
	->setUser($this->getRequest()->getUser())
	->setStatus($header_icon, $header_color, $header_name)
	->setPolicyObject($paste);

	return $header;
	}

	private function buildActionView(
	PhabricatorUser $viewer,
	PhabricatorPaste $paste) {

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

	$can_fork = $viewer->isLoggedIn();
	$id = $paste->getID();
	$fork_uri = $this->getApplicationURI('/create/?parent='.$id);

	return id(new PhabricatorActionListView())
	->setUser($viewer)
	->setObject($paste)
	->setObjectURI($this->getRequest()->getRequestURI())
	->addAction(
	id(new PhabricatorActionView())
	->setName(pht('Edit Paste'))
	->setIcon('fa-pencil')
	->setDisabled(!$can_edit)
	->setWorkflow(!$can_edit)
	->setHref($this->getApplicationURI("edit/{$id}/")))
	->addAction(
	id(new PhabricatorActionView())
	->setName(pht('Fork This Paste'))
	->setIcon('fa-code-fork')
	->setDisabled(!$can_fork)
	->setWorkflow(!$can_fork)
	->setHref($fork_uri))
	->addAction(
	id(new PhabricatorActionView())
	->setName(pht('View Raw File'))
	->setIcon('fa-file-text-o')
	->setHref($this->getApplicationURI("raw/{$id}/")));
	}

	private function buildPropertyView(
	PhabricatorPaste $paste,
	array $child_phids,
	PhabricatorActionListView $actions) {
	$viewer = $this->getViewer();

	$properties = id(new PHUIPropertyListView())
	->setUser($viewer)
	->setObject($paste)
	->setActionList($actions);

	$properties->addProperty(
	pht('Author'),
	$viewer->renderHandle($paste->getAuthorPHID()));

	$properties->addProperty(
	pht('Created'),
	phabricator_datetime($paste->getDateCreated(), $viewer));

	if ($paste->getParentPHID()) {
	$properties->addProperty(
	pht('Forked From'),
	$viewer->renderHandle($paste->getParentPHID()));
	}

	if ($child_phids) {
	$properties->addProperty(
	pht('Forks'),
	$viewer->renderHandleList($child_phids));
	}

	$descriptions = PhabricatorPolicyQuery::renderPolicyDescriptions(
	$viewer,
	$paste);

	return $properties;
	}

	}

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