public static function read($params, $currentUser, $con)
{
$page = isset($params->page) ? $params->page : 0;
$limit = isset($params->limit) ? $params->limit : 100;
$notifications = NotificationOnUserQuery::create()->filterByUserId($currentUser->id)->filterByStatus('Unread')->leftJoin('Notification')->withColumn('Notification.Time', 'time')->withColumn('Notification.Type', 'type')->withColumn('Notification.Data', 'data')->where('Notification.Status = ?', 'Active')->select(array('id'))->orderBy('time', 'DESC');
$notifications = $notifications->paginate($page, $limit);
$total = $notifications->getNbResults();
$data = [];
foreach ($notifications as $notification) {
$notification = (object) $notification;
switch ($notification->type) {
case 'price':
$notification->data = json_decode($notification->data);
$stock = StockQuery::create()->findOneById($notification->data->stock_id, $con);
if ($stock) {
$notification->data->product_id = $stock->getProduct()->getId();
$notification->data->product_name = $stock->getProduct()->getName();
$notification->data->unit_name = $stock->getUnit()->getName();
} else {
$notification->delete($con);
}
}
$data[] = $notification;
}
$results['success'] = true;
$results['data'] = $data;
$results['total'] = $total;
return $results;
}
private static function newPriceNotification($stock, $purchaseDetail, $con)
{
// check price change
$priceDifference = $stock->getBuy() - $purchaseDetail->getTotalPrice() / $purchaseDetail->getAmount();
if ($priceDifference == 0) {
$priceStatus = 'stagnant';
} elseif ($priceDifference < 0) {
$priceStatus = 'up';
} elseif ($priceDifference > 0) {
$priceStatus = 'down';
}
// if price is not stagnant then make new notification
if ($priceStatus != 'stagnant') {
// build up notification data
$notificationData = new \stdClass();
$notificationData->stock_id = $stock->getId();
$notificationData->status = $priceStatus;
$notificationData->difference = abs($priceDifference);
$notificationData->to_price = $stock->getBuy() - $priceDifference;
// update stock buy price
$stock->setBuy($notificationData->to_price)->save($con);
// check whether price notification for this purchase detail is already there
$oldNotification = $purchaseDetail->getNotification();
if ($oldNotification) {
// if yes, assign the old one
$isNew = false;
$notification = $oldNotification;
} else {
// if not, create new notification
$isNew = true;
$notification = new Notification();
}
$notification->setTime(time())->setType('price')->setData(json_encode($notificationData))->save($con);
// if notification is new, then give notification to user
// if not, then update notification's status to unread
if ($isNew == true) {
// find which role to send notification
$roles = NotificationOptionQuery::create()->filterByType('price')->find($con);
// iterate through each role to find users assigned to it
foreach ($roles as $role) {
$users = UserQuery::create()->filterByStatus('Active')->filterByRoleId($role->getRoleId())->find($con);
// iterate through each user to give notification
foreach ($users as $user) {
$notifyUser = new NotificationOnUser();
$notifyUser->setUserId($user->getId())->setNotificationId($notification->getId())->save($con);
}
}
} else {
$notifyUsers = NotificationOnUserQuery::create()->filterByNotificationId($notification->getId())->find($con);
foreach ($notifyUsers as $notifyUser) {
$notifyUser->setStatus('Unread')->save($con);
}
}
$notificationId = $notification->getId();
} else {
$notificationId = 0;
}
return $notificationId;
}
/**
* If this collection has already been initialized with
* an identical criteria, it returns the collection.
* Otherwise if this Notification is new, it will return
* an empty collection; or if this Notification has previously
* been saved, it will retrieve related OnUsers from storage.
*
* This method is protected by default in order to keep the public
* api reasonable. You can provide public methods for those you
* actually need in Notification.
*
* @param Criteria $criteria optional Criteria object to narrow the query
* @param ConnectionInterface $con optional connection object
* @param string $joinBehavior optional join type to use (defaults to Criteria::LEFT_JOIN)
* @return ObjectCollection|ChildNotificationOnUser[] List of ChildNotificationOnUser objects
*/
public function getOnUsersJoinUser(Criteria $criteria = null, ConnectionInterface $con = null, $joinBehavior = Criteria::LEFT_JOIN)
{
$query = ChildNotificationOnUserQuery::create(null, $criteria);
$query->joinWith('User', $joinBehavior);
return $this->getOnUsers($query, $con);
}
/**
* Removes this object from datastore and sets delete attribute.
*
* @param ConnectionInterface $con
* @return void
* @throws PropelException
* @see NotificationOnUser::setDeleted()
* @see NotificationOnUser::isDeleted()
*/
public function delete(ConnectionInterface $con = null)
{
if ($this->isDeleted()) {
throw new PropelException("This object has already been deleted.");
}
if ($con === null) {
$con = Propel::getServiceContainer()->getWriteConnection(NotificationOnUserTableMap::DATABASE_NAME);
}
$con->transaction(function () use($con) {
$deleteQuery = ChildNotificationOnUserQuery::create()->filterByPrimaryKey($this->getPrimaryKey());
$ret = $this->preDelete($con);
if ($ret) {
$deleteQuery->delete($con);
$this->postDelete($con);
$this->setDeleted(true);
}
});
}
/**
* Performs an INSERT on the database, given a NotificationOnUser or Criteria object.
*
* @param mixed $criteria Criteria or NotificationOnUser object containing data that is used to create the INSERT statement.
* @param ConnectionInterface $con the ConnectionInterface connection to use
* @return mixed The new primary key.
* @throws PropelException Any exceptions caught during processing will be
* rethrown wrapped into a PropelException.
*/
public static function doInsert($criteria, ConnectionInterface $con = null)
{
if (null === $con) {
$con = Propel::getServiceContainer()->getWriteConnection(NotificationOnUserTableMap::DATABASE_NAME);
}
if ($criteria instanceof Criteria) {
$criteria = clone $criteria;
// rename for clarity
} else {
$criteria = $criteria->buildCriteria();
// build Criteria from NotificationOnUser object
}
if ($criteria->containsKey(NotificationOnUserTableMap::COL_ID) && $criteria->keyContainsValue(NotificationOnUserTableMap::COL_ID)) {
throw new PropelException('Cannot insert a value for auto-increment primary key (' . NotificationOnUserTableMap::COL_ID . ')');
}
// Set the correct dbName
$query = NotificationOnUserQuery::create()->mergeWith($criteria);
// use transaction because $criteria could contain info
// for more than one table (I guess, conceivably)
return $con->transaction(function () use($con, $query) {
return $query->doInsert($con);
});
}
