/**
* Gets relations. At most one of toStreamName, toStreamName can be an array.
* @method getRelations
* @private
* @param {string} $asUserId
* The user who is fetching
* @param {string} $toPublisherId
* The publisher of the category
* @param {string|array} $toStreamName
* The name of the category. May be turned into an array.
* @param {string} $type
* The type of the relation.
* @param {string} $fromPublisherId
* The publisher of the member stream(s)
* @param {string|array} $fromStreamName
* The name of the member stream(s). May be turned into an array.
* @param {array} $relatedTo reference to array of Streams_RelatedTo to fill
* @param {array} $relatedFrom reference to array of Streams_RelatedFrom to fill
* @param {array} $categories reference to array of Streams_Stream to fill with categories
* @param {array} $streams reference to array of Streams_Stream to fill with streams
* @param {array} $options=array() An array of options that can include:
* @param {boolean} [$options.skipAccess=false] If true, skips the access checks and just relates the stream to the category
*/
private static function getRelations(&$asUserId, $toPublisherId, &$toStreamName, $type, $fromPublisherId, &$fromStreamName, &$relatedTo, &$relatedFrom, &$categories, &$streams, &$arrayField, &$options = array())
{
if (!isset($asUserId)) {
$asUserId = Users::loggedInUser(true)->id;
} else {
if ($asUserId instanceof Users_User) {
$asUserId = $asUserId->id;
}
}
if ($toPublisherId instanceof Users_User) {
$toPublisherId = $toPublisherId->id;
}
if (!isset($options)) {
$options = array();
}
if (is_array($toStreamName)) {
if (is_array($fromStreamName)) {
throw new Q_Exception("toStreamName and fromStreamName can't both be arrays");
}
$arrayField = 'toStreamName';
} else {
if (is_array($fromStreamName)) {
$arrayField = 'fromStreamName';
} else {
$toStreamName = array($toStreamName);
$arrayField = 'toStreamName';
}
}
// Check access to category stream, the stream to which other streams are related
$categories = Streams::fetch($asUserId, $toPublisherId, $toStreamName);
if (empty($options['skipAccess'])) {
foreach ($categories as $c) {
if (!$c->testWriteLevel('relate')) {
throw new Users_Exception_NotAuthorized();
}
}
}
// Fetch member streams, the streams which are being related
$streams = Streams::fetch($asUserId, $fromPublisherId, $fromStreamName);
$criteria = compact('toPublisherId', 'toStreamName', 'type', 'fromPublisherId', 'fromStreamName');
// Fetch relatedTo
if ($relatedTo !== false) {
$relatedTo = Streams_RelatedTo::select('*')->where($criteria)->fetchDbRows(null, null, $arrayField);
}
// Fetch relatedFrom
if ($relatedFrom !== false) {
$relatedFrom = Streams_RelatedFrom::select('*')->where($criteria)->fetchDbRows(null, null, $arrayField);
}
// Recover from inconsistency:
// if one exists but not the other, delete both
$removeRT = $removeRF = $fieldRT = $fieldRF = array();
foreach ($relatedTo as $sn => $rt) {
if (empty($relatedFrom[$sn])) {
$removeRT[] = $sn;
$fieldRT[] = $rt->{$arrayField};
}
}
foreach ($relatedFrom as $sn => $rf) {
if (empty($relatedTo[$sn])) {
$removeRF[] = $sn;
$fieldRF[] = $rf->{$arrayField};
}
}
if ($removeRT) {
foreach ($removeRT as $sn) {
unset($relatedTo[$sn]);
}
$criteria2 = $criteria;
$criteria2[$arrayField] = $fieldRT;
Streams_RelatedTo::delete()->where($criteria2)->execute();
}
if ($removeRF) {
foreach ($removeRF as $sn) {
unset($relatedFrom[$sn]);
}
$criteria2 = $criteria;
$criteria2[$arrayField] = $fieldRF;
Streams_RelatedFrom::delete()->where($criteria2)->execute();
}
}
/**
* Update relation of shipment stream to $newState
* @method updateShipment
* @static
* @param object $stream shipment stream object
* @param string $newState new relation
*/
static function updateShipment($stream, $newState)
{
$env = self::getVars();
$asUserId = $stream->getAttribute("asUser", $env->userId);
$toStreamName = $env->shipmentsStreamName;
// asUserId shipmentsStreamName
if ($asUserId != $env->userId) {
$toStreamName = "Shipping/shipments/" . $asUserId;
}
$toStream = Streams::fetchOne($env->communityId, $env->communityId, $toStreamName);
Streams_RelatedTo::delete()->where(array('toPublisherId' => $env->communityId, 'toStreamName' => $toStreamName, 'fromPublisherId' => $stream->publisherId, 'fromStreamName' => $stream->name))->execute();
$stream->relateTo($toStream, $newState, $env->communityId, array("weight" => time()));
//$stream->unrelateTo($toStream, $oldState, $userId);
$stream->setAttribute("relation", $newState);
$stream->save();
}
