DifferentialReviewersView.php
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	<?php

	final class DifferentialReviewersView extends AphrontView {

	private $reviewers;
	private $handles;
	private $diff;

	public function setReviewers(array $reviewers) {
	assert_instances_of($reviewers, 'DifferentialReviewer');
	$this->reviewers = $reviewers;
	return $this;
	}

	public function setHandles(array $handles) {
	assert_instances_of($handles, 'PhabricatorObjectHandle');
	$this->handles = $handles;
	return $this;
	}

	public function setActiveDiff(DifferentialDiff $diff) {
	$this->diff = $diff;
	return $this;
	}

	public function render() {
	$viewer = $this->getUser();
	$reviewers = $this->reviewers;
	$diff = $this->diff;
	$handles = $this->handles;

	$view = new PHUIStatusListView();

	// Move resigned reviewers to the bottom.
	$head = array();
	$tail = array();
	foreach ($reviewers as $key => $reviewer) {
	if ($reviewer->isResigned()) {
	$tail[$key] = $reviewer;
	} else {
	$head[$key] = $reviewer;
	}
	}

	PhabricatorPolicyFilterSet::loadHandleViewCapabilities(
	$viewer,
	$handles,
	array($diff));

	$reviewers = $head + $tail;
	foreach ($reviewers as $reviewer) {
	$phid = $reviewer->getReviewerPHID();
	$handle = $handles[$phid];

	$action_phid = $reviewer->getLastActionDiffPHID();
	$is_current_action = $this->isCurrent($action_phid);
	$is_voided = (bool)$reviewer->getVoidedPHID();

	$comment_phid = $reviewer->getLastCommentDiffPHID();
	$is_current_comment = $this->isCurrent($comment_phid);

	$item = new PHUIStatusItemView();

	$item->setHighlighted($reviewer->hasAuthority($viewer));

	// If someone other than the reviewer acted on the reviewer's behalf,
	// show who is responsible for the current state. This is usually a
	// user accepting for a package or project.
	$authority_phid = $reviewer->getLastActorPHID();
	if ($authority_phid && ($authority_phid !== $phid)) {
	$authority_name = $viewer->renderHandle($authority_phid)
	->setAsText(true);
	} else {
	$authority_name = null;
	}

	switch ($reviewer->getReviewerStatus()) {
	case DifferentialReviewerStatus::STATUS_ADDED:
	if ($comment_phid) {
	if ($is_current_comment) {
	$icon = 'fa-comment';
	$color = 'blue';
	$label = pht('Commented');
	} else {
	$icon = 'fa-comment-o';
	$color = 'bluegrey';
	$label = pht('Commented Previously');
	}
	} else {
	$icon = PHUIStatusItemView::ICON_OPEN;
	$color = 'bluegrey';
	$label = pht('Review Requested');
	}
	break;

	case DifferentialReviewerStatus::STATUS_ACCEPTED:
	if ($is_current_action && !$is_voided) {
	$icon = PHUIStatusItemView::ICON_ACCEPT;
	$color = 'green';
	if ($authority_name !== null) {
	$label = pht('Accepted (by %s)', $authority_name);
	} else {
	$label = pht('Accepted');
	}
	} else {
	$icon = 'fa-check-circle-o';
	$color = 'bluegrey';

	if (!$is_current_action && $is_voided) {
	// The reviewer accepted the revision, but later the author
	// used "Request Review" to request an updated review.
	$label = pht('Accepted Earlier');
	} else if ($authority_name !== null) {
	$label = pht('Accepted Prior Diff (by %s)', $authority_name);
	} else {
	$label = pht('Accepted Prior Diff');
	}
	}
	break;

	case DifferentialReviewerStatus::STATUS_REJECTED:
	if ($is_current_action) {
	$icon = PHUIStatusItemView::ICON_REJECT;
	$color = 'red';
	if ($authority_name !== null) {
	$label = pht('Requested Changes (by %s)', $authority_name);
	} else {
	$label = pht('Requested Changes');
	}
	} else {
	$icon = 'fa-times-circle-o';
	$color = 'red';
	if ($authority_name !== null) {
	$label = pht(
	'Requested Changes to Prior Diff (by %s)',
	$authority_name);
	} else {
	$label = pht('Requested Changes to Prior Diff');
	}
	}
	break;

	case DifferentialReviewerStatus::STATUS_BLOCKING:
	$icon = PHUIStatusItemView::ICON_MINUS;
	$color = 'red';
	$label = pht('Blocking Review');
	break;

	case DifferentialReviewerStatus::STATUS_RESIGNED:
	$icon = 'fa-times';
	$color = 'grey';
	$label = pht('Resigned');
	break;

	default:
	$icon = PHUIStatusItemView::ICON_QUESTION;
	$color = 'bluegrey';
	$label = pht('Unknown ("%s")', $reviewer->getReviewerStatus());
	break;

	}

	$item->setIcon($icon, $color, $label);
	$item->setTarget(
	$handle->renderHovercardLink(
	null,
	$diff->getPHID()));

	if ($reviewer->isPackage()) {
	if (!$reviewer->getChangesets()) {
	$item->setNote(pht('(Owns No Changed Paths)'));
	}
	}

	if ($handle->hasCapabilities()) {
	if (!$handle->hasViewCapability($diff)) {
	$item
	->setIcon('fa-eye-slash', 'red')
	->setNote(pht('No View Permission'))
	->setIsExiled(true);
	}
	}

	$view->addItem($item);
	}

	return $view;
	}

	private function isCurrent($action_phid) {
	if (!$this->diff) {
	return true;
	}

	if (!$action_phid) {
	return true;
	}

	$diff_phid = $this->diff->getPHID();
	if (!$diff_phid) {
	return true;
	}

	if ($diff_phid == $action_phid) {
	return true;
	}

	return false;
	}

	}

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