PhabricatorCalendarEventViewController.php
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PhabricatorCalendarEventViewController.php
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	<?php

	final class PhabricatorCalendarEventViewController
	extends PhabricatorCalendarController {

	public function shouldAllowPublic() {
	return true;
	}

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

	$event = $this->loadEvent();
	if (!$event) {
	return new Aphront404Response();
	}

	// If we looked up or generated a stub event, redirect to that event's
	// canonical URI.
	$id = $request->getURIData('id');
	if ($event->getID() != $id) {
	$uri = $event->getURI();
	return id(new AphrontRedirectResponse())->setURI($uri);
	}

	$monogram = $event->getMonogram();
	$page_title = $monogram.' '.$event->getName();
	$crumbs = $this->buildApplicationCrumbs();
	$crumbs->addTextCrumb($monogram);
	$crumbs->setBorder(true);

	$timeline = $this->buildTransactionTimeline(
	$event,
	new PhabricatorCalendarEventTransactionQuery());

	$header = $this->buildHeaderView($event);
	$subheader = $this->buildSubheaderView($event);
	$curtain = $this->buildCurtain($event);
	$details = $this->buildPropertySection($event);
	$description = $this->buildDescriptionView($event);

	$comment_view = id(new PhabricatorCalendarEventEditEngine())
	->setViewer($viewer)
	->buildEditEngineCommentView($event);

	$timeline->setQuoteRef($monogram);
	$comment_view->setTransactionTimeline($timeline);

	$view = id(new PHUITwoColumnView())
	->setHeader($header)
	->setSubheader($subheader)
	->setMainColumn(
	array(
	$timeline,
	$comment_view,
	))
	->setCurtain($curtain)
	->addPropertySection(pht('Details'), $details)
	->addPropertySection(pht('Description'), $description);

	return $this->newPage()
	->setTitle($page_title)
	->setCrumbs($crumbs)
	->setPageObjectPHIDs(array($event->getPHID()))
	->appendChild($view);
	}

	private function buildHeaderView(
	PhabricatorCalendarEvent $event) {
	$viewer = $this->getViewer();
	$id = $event->getID();

	if ($event->isCancelledEvent()) {
	$icon = 'fa-ban';
	$color = 'red';
	$status = pht('Cancelled');
	} else {
	$icon = 'fa-check';
	$color = 'bluegrey';
	$status = pht('Active');
	}

	$invite_status = $event->getUserInviteStatus($viewer->getPHID());
	$status_invited = PhabricatorCalendarEventInvitee::STATUS_INVITED;
	$is_invite_pending = ($invite_status == $status_invited);

	$header = id(new PHUIHeaderView())
	->setUser($viewer)
	->setHeader($event->getName())
	->setStatus($icon, $color, $status)
	->setPolicyObject($event)
	->setHeaderIcon($event->getIcon());

	if ($is_invite_pending) {
	$decline_button = id(new PHUIButtonView())
	->setTag('a')
	->setIcon('fa-times grey')
	->setHref($this->getApplicationURI("/event/decline/{$id}/"))
	->setWorkflow(true)
	->setText(pht('Decline'));

	$accept_button = id(new PHUIButtonView())
	->setTag('a')
	->setIcon('fa-check green')
	->setHref($this->getApplicationURI("/event/accept/{$id}/"))
	->setWorkflow(true)
	->setText(pht('Accept'));

	$header->addActionLink($decline_button)
	->addActionLink($accept_button);
	}
	return $header;
	}

	private function buildCurtain(PhabricatorCalendarEvent $event) {
	$viewer = $this->getRequest()->getUser();
	$id = $event->getID();
	$is_attending = $event->getIsUserAttending($viewer->getPHID());

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

	$edit_uri = "event/edit/{$id}/";
	if ($event->isChildEvent()) {
	$edit_label = pht('Edit This Instance');
	} else {
	$edit_label = pht('Edit Event');
	}

	$curtain = $this->newCurtainView($event);

	if ($edit_label && $edit_uri) {
	$curtain->addAction(
	id(new PhabricatorActionView())
	->setName($edit_label)
	->setIcon('fa-pencil')
	->setHref($this->getApplicationURI($edit_uri))
	->setDisabled(!$can_edit)
	->setWorkflow(!$can_edit));
	}

	if ($is_attending) {
	$curtain->addAction(
	id(new PhabricatorActionView())
	->setName(pht('Decline Event'))
	->setIcon('fa-user-times')
	->setHref($this->getApplicationURI("event/join/{$id}/"))
	->setWorkflow(true));
	} else {
	$curtain->addAction(
	id(new PhabricatorActionView())
	->setName(pht('Join Event'))
	->setIcon('fa-user-plus')
	->setHref($this->getApplicationURI("event/join/{$id}/"))
	->setWorkflow(true));
	}

	$cancel_uri = $this->getApplicationURI("event/cancel/{$id}/");
	$cancel_disabled = !$can_edit;

	if ($event->isChildEvent()) {
	$cancel_label = pht('Cancel This Instance');
	$reinstate_label = pht('Reinstate This Instance');

	if ($event->getParentEvent()->getIsCancelled()) {
	$cancel_disabled = true;
	}
	} else if ($event->isParentEvent()) {
	$cancel_label = pht('Cancel All');
	$reinstate_label = pht('Reinstate All');
	} else {
	$cancel_label = pht('Cancel Event');
	$reinstate_label = pht('Reinstate Event');
	}

	if ($event->isCancelledEvent()) {
	$curtain->addAction(
	id(new PhabricatorActionView())
	->setName($reinstate_label)
	->setIcon('fa-plus')
	->setHref($cancel_uri)
	->setDisabled($cancel_disabled)
	->setWorkflow(true));
	} else {
	$curtain->addAction(
	id(new PhabricatorActionView())
	->setName($cancel_label)
	->setIcon('fa-times')
	->setHref($cancel_uri)
	->setDisabled($cancel_disabled)
	->setWorkflow(true));
	}

	return $curtain;
	}

	private function buildPropertySection(
	PhabricatorCalendarEvent $event) {
	$viewer = $this->getViewer();

	$properties = id(new PHUIPropertyListView())
	->setUser($viewer);

	if ($event->getIsRecurring()) {
	$properties->addProperty(
	pht('Recurs'),
	ucwords(idx($event->getRecurrenceFrequency(), 'rule')));

	if ($event->getRecurrenceEndDate()) {
	$properties->addProperty(
	pht('Recurrence Ends'),
	phabricator_datetime($event->getRecurrenceEndDate(), $viewer));
	}

	if ($event->getInstanceOfEventPHID()) {
	$properties->addProperty(
	pht('Recurrence of Event'),
	pht('%s of %s',
	$event->getSequenceIndex(),
	$viewer->renderHandle($event->getInstanceOfEventPHID())->render()));
	}
	}

	$invitees = $event->getInvitees();
	foreach ($invitees as $key => $invitee) {
	if ($invitee->isUninvited()) {
	unset($invitees[$key]);
	}
	}

	if ($invitees) {
	$invitee_list = new PHUIStatusListView();

	$icon_invited = PHUIStatusItemView::ICON_OPEN;
	$icon_attending = PHUIStatusItemView::ICON_ACCEPT;
	$icon_declined = PHUIStatusItemView::ICON_REJECT;

	$status_invited = PhabricatorCalendarEventInvitee::STATUS_INVITED;
	$status_attending = PhabricatorCalendarEventInvitee::STATUS_ATTENDING;
	$status_declined = PhabricatorCalendarEventInvitee::STATUS_DECLINED;

	$icon_map = array(
	$status_invited => $icon_invited,
	$status_attending => $icon_attending,
	$status_declined => $icon_declined,
	);

	$icon_color_map = array(
	$status_invited => null,
	$status_attending => 'green',
	$status_declined => 'red',
	);

	foreach ($invitees as $invitee) {
	$item = new PHUIStatusItemView();
	$invitee_phid = $invitee->getInviteePHID();
	$status = $invitee->getStatus();
	$target = $viewer->renderHandle($invitee_phid);
	$icon = $icon_map[$status];
	$icon_color = $icon_color_map[$status];

	$item->setIcon($icon, $icon_color)
	->setTarget($target);
	$invitee_list->addItem($item);
	}
	} else {
	$invitee_list = phutil_tag(
	'em',
	array(),
	pht('None'));
	}

	$properties->addProperty(
	pht('Invitees'),
	$invitee_list);

	$properties->invokeWillRenderEvent();

	return $properties;
	}

	private function buildDescriptionView(
	PhabricatorCalendarEvent $event) {
	$viewer = $this->getViewer();

	$properties = id(new PHUIPropertyListView())
	->setUser($viewer);

	if (strlen($event->getDescription())) {
	$description = new PHUIRemarkupView($viewer, $event->getDescription());
	$properties->addTextContent($description);
	return $properties;
	}

	return null;
	}


	private function loadEvent() {
	$request = $this->getRequest();
	$viewer = $this->getViewer();

	$id = $request->getURIData('id');
	$sequence = $request->getURIData('sequence');

	// We're going to figure out which event you're trying to look at. Most of
	// the time this is simple, but you may be looking at an instance of a
	// recurring event which we haven't generated an object for.

	// If you are, we're going to generate a "stub" event so we have a real
	// ID and PHID to work with, since the rest of the infrastructure relies
	// on these identifiers existing.

	// Load the event identified by ID first.
	$event = id(new PhabricatorCalendarEventQuery())
	->setViewer($viewer)
	->withIDs(array($id))
	->executeOne();
	if (!$event) {
	return null;
	}

	// If we aren't looking at an instance of this event, this is a completely
	// normal request and we can just return this event.
	if (!$sequence) {
	return $event;
	}

	// When you view "E123/999", E123 is normally the parent event. However,
	// you might visit a different instance first instead and then fiddle
	// with the URI. If the event we're looking at is a child, we are going
	// to act on the parent instead.
	if ($event->isChildEvent()) {
	$event = $event->getParentEvent();
	}

	// Try to load the instance. If it already exists, we're all done and
	// can just return it.
	$instance = id(new PhabricatorCalendarEventQuery())
	->setViewer($viewer)
	->withInstanceSequencePairs(
	array(
	array($event->getPHID(), $sequence),
	))
	->executeOne();
	if ($instance) {
	return $instance;
	}

	if (!$viewer->isLoggedIn()) {
	throw new Exception(
	pht(
	'This event instance has not been created yet. Log in to create '.
	'it.'));
	}

	$instance = $event->newStub($viewer, $sequence);

	return $instance;
	}

	private function buildSubheaderView(PhabricatorCalendarEvent $event) {
	$viewer = $this->getViewer();

	$host_phid = $event->getHostPHID();

	$handles = $viewer->loadHandles(array($host_phid));
	$handle = $handles[$host_phid];

	$host = $viewer->renderHandle($host_phid);
	$host = phutil_tag('strong', array(), $host);

	$image_uri = $handles[$host_phid]->getImageURI();
	$image_href = $handles[$host_phid]->getURI();

	$date = $event->renderEventDate($viewer, true);

	$content = pht('Hosted by %s on %s.', $host, $date);

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


	}

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