/**
* Gets the list of current votes on this object by the current user
*
* @param Member $user
*
* @return ArrayList
*/
public function currentVotesByUser($user = null)
{
if (!$user) {
$user = $this->securityContext->getMember();
}
$votes = MicroPostVote::get()->filter(array('UserID' => $user->ID, 'PostID' => $this->ID));
return $votes->toArray();
}
/**
* Vote for a particular post
*
* @param DataObject $post
*/
public function vote(DataObject $post, $dir = 1)
{
$member = $this->securityContext->getMember();
if ($member->VotesToGive <= 0) {
$post->RemainingVotes = 0;
return $post;
}
// we allow multiple votes - as many as the user has to give! unless
// configured not to...
$currentVote = null;
if ($this->singleVotes) {
$votes = $post->currentVotesByUser();
if (count($votes)) {
$currentVote = $votes[0];
}
}
if (!$currentVote) {
$currentVote = MicroPostVote::create();
$currentVote->UserID = $member->ID;
$currentVote->PostID = $post->ID;
}
$currentVote->Direction = $dir > 0 ? 1 : -1;
$currentVote->write();
$list = DataList::create('MicroPostVote');
$upList = $list->filter(array('PostID' => $post->ID, 'Direction' => 1));
$post->Up = $upList->count();
$downList = $list->filter(array('PostID' => $post->ID, 'Direction' => -1));
$post->Down = $downList->count();
$owner = $post->Owner();
if (!$post->OwnerID || !$owner || !$owner->exists()) {
$owner = Security::findAnAdministrator();
}
// write the post as the owner, and calculate some changes for the author
$this->transactionManager->run(function () use($post, $currentVote, $member) {
$author = $post->Owner();
if ($author && $author->exists() && $author->ID != $member->ID) {
if ($currentVote->Direction > 0) {
$author->Up += 1;
} else {
$author->Down += 1;
}
$author->write();
}
$post->write();
}, $owner);
$this->rewardMember($member, -1);
$post->RemainingVotes = $member->VotesToGive;
return $post;
}
