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PhabricatorCalendarEventInviteTransaction.php
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Fri, Jul 12, 00:21

PhabricatorCalendarEventInviteTransaction.php
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<?php
final class PhabricatorCalendarEventInviteTransaction
extends PhabricatorCalendarEventTransactionType {
const TRANSACTIONTYPE = 'calendar.invite';
public function generateOldValue($object) {
$status_uninvited = PhabricatorCalendarEventInvitee::STATUS_UNINVITED;
$invitees = $object->getInvitees();
foreach ($invitees as $key => $invitee) {
if ($invitee->getStatus() == $status_uninvited) {
unset($invitees[$key]);
}
}
return array_values(mpull($invitees, 'getInviteePHID'));
}
private function generateChangeMap($object, $new_value) {
$status_invited = PhabricatorCalendarEventInvitee::STATUS_INVITED;
$status_uninvited = PhabricatorCalendarEventInvitee::STATUS_UNINVITED;
$status_attending = PhabricatorCalendarEventInvitee::STATUS_ATTENDING;
$old = $this->generateOldValue($object);
$add = array_diff($new_value, $old);
$rem = array_diff($old, $new_value);
$map = array();
foreach ($add as $phid) {
$map[$phid] = $status_invited;
}
foreach ($rem as $phid) {
$map[$phid] = $status_uninvited;
}
// If we're creating this event and the actor is inviting themselves,
// mark them as attending.
if ($this->isNewObject()) {
$acting_phid = $this->getActingAsPHID();
if (isset($map[$acting_phid])) {
$map[$acting_phid] = $status_attending;
}
}
return $map;
}
public function applyExternalEffects($object, $value) {
$map = $this->generateChangeMap($object, $value);
$invitees = $object->getInvitees();
$invitees = mpull($invitees, null, 'getInviteePHID');
foreach ($map as $phid => $status) {
$invitee = idx($invitees, $phid);
if (!$invitee) {
$invitee = id(new PhabricatorCalendarEventInvitee())
->setEventPHID($object->getPHID())
->setInviteePHID($phid)
->setInviterPHID($this->getActingAsPHID());
$invitees[] = $invitee;
}
$invitee->setStatus($status)
->save();
}
$object->attachInvitees($invitees);
}
public function validateTransactions($object, array $xactions) {
$actor = $this->getActor();
$errors = array();
$old = $object->getInvitees();
$old = mpull($old, null, 'getInviteePHID');
foreach ($xactions as $xaction) {
$new = $xaction->getNewValue();
$new = array_fuse($new);
$add = array_diff_key($new, $old);
if (!$add) {
continue;
}
// In the UI, we only allow you to invite mailable objects, but there
// is no definitive marker for "invitable object" today. Just allow
// any valid object to be invited.
$objects = id(new PhabricatorObjectQuery())
->setViewer($actor)
->withPHIDs($add)
->execute();
$objects = mpull($objects, null, 'getPHID');
foreach ($add as $phid) {
if (isset($objects[$phid])) {
continue;
}
$errors[] = $this->newInvalidError(
pht(
'Invitee "%s" identifies an object that does not exist or '.
'which you do not have permission to view.',
$phid),
$xaction);
}
}
return $errors;
}
public function getIcon() {
return 'fa-user-plus';
}
public function getTitle() {
list($add, $rem) = $this->getChanges();
if ($add && !$rem) {
return pht(
'%s invited %s attendee(s): %s.',
$this->renderAuthor(),
phutil_count($add),
$this->renderHandleList($add));
} else if (!$add && $rem) {
return pht(
'%s uninvited %s attendee(s): %s.',
$this->renderAuthor(),
phutil_count($rem),
$this->renderHandleList($rem));
} else {
return pht(
'%s invited %s attendee(s): %s; uninvinted %s attendee(s): %s.',
$this->renderAuthor(),
phutil_count($add),
$this->renderHandleList($add),
phutil_count($rem),
$this->renderHandleList($rem));
}
}
public function getTitleForFeed() {
list($add, $rem) = $this->getChanges();
if ($add && !$rem) {
return pht(
'%s invited %s attendee(s) to %s: %s.',
$this->renderAuthor(),
phutil_count($add),
$this->renderObject(),
$this->renderHandleList($add));
} else if (!$add && $rem) {
return pht(
'%s uninvited %s attendee(s) to %s: %s.',
$this->renderAuthor(),
phutil_count($rem),
$this->renderObject(),
$this->renderHandleList($rem));
} else {
return pht(
'%s updated the invite list for %s, invited %s: %s; '.
'uninvinted %s: %s.',
$this->renderAuthor(),
$this->renderObject(),
phutil_count($add),
$this->renderHandleList($add),
phutil_count($rem),
$this->renderHandleList($rem));
}
}
private function getChanges() {
$old = $this->getOldValue();
$new = $this->getNewValue();
$add = array_diff($new, $old);
$rem = array_diff($old, $new);
return array(array_fuse($add), array_fuse($rem));
}
}

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