/**
* Assigns ordinal and readyTime
* @method beforeSave
* @param {array} $value
* The row beind saved
* @return {array}
*/
function beforeSave($value)
{
if (!$this->retrieved) {
$max = Streams_Rule::select("MAX(ordinal) + 1")->where(array('ofUserId' => $this->ofUserId, 'publisherId' => $this->publisherId, 'streamName' => $this->streamName))->ignoreCache()->fetchAll(PDO::FETCH_COLUMN);
$value['ordinal'] = $this->ordinal = isset($max[0]) ? $max[0] : 1;
if (!isset($this->readyTime)) {
$value['readyTime'] = $this->readyTime = new Db_Expression('CURRENT_TIMESTAMP');
}
}
return parent::beforeSave($value);
}
/**
* Subscription tool
* @param array $options
* "publisherId" => the id of the user who is publishing the stream
* "streamName" => the name of the stream for which to edit access levels
*/
function Streams_subscription_tool($options)
{
$subscribed = 'no';
extract($options);
$user = Users::loggedInUser(true);
if (!isset($publisherId)) {
$publisherId = Streams::requestedPublisherId(true);
}
if (!isset($streamName)) {
$streamName = Streams::requestedName();
}
$stream = Streams::fetchOne($user->id, $publisherId, $streamName);
if (!$stream) {
throw new Q_Exception_MissingRow(array('table' => 'stream', 'criteria' => compact('publisherId', 'streamName')));
}
$streams_participant = new Streams_Participant();
$streams_participant->publisherId = $publisherId;
$streams_participant->streamName = $streamName;
$streams_participant->userId = $user->id;
if ($streams_participant->retrieve()) {
$subscribed = $streams_participant->subscribed;
}
$types = Q_Config::get('Streams', 'types', $stream->type, 'messages', array());
$messageTypes = array();
foreach ($types as $type => $msg) {
$name = Q::ifset($msg, 'title', $type);
/*
* group by name
*/
foreach ($messageTypes as $msgType) {
if ($msgType['name'] == $name) {
continue 2;
}
}
$messageTypes[] = array('value' => $type, 'name' => $name);
}
$usersFetch = array('userId' => $user->id, 'state' => 'active');
$devices = array();
$emails = Users_Email::select('address')->where($usersFetch)->fetchAll(PDO::FETCH_COLUMN);
$mobiles = Users_Mobile::select('number')->where($usersFetch)->fetchAll(PDO::FETCH_COLUMN);
foreach ($emails as $email) {
$devices[] = array('value' => Q::json_encode(array('email' => $email)), 'name' => 'my email');
}
foreach ($mobiles as $mobile) {
$devices[] = array('value' => Q::json_encode(array('mobile' => $mobile)), 'name' => 'my mobile');
}
$items = array();
$rules = Streams_Rule::select('deliver, filter')->where(array('ofUserId' => $user->id, 'publisherId' => $publisherId, 'streamName' => $streamName))->fetchAll(PDO::FETCH_ASSOC);
while ($rule = array_pop($rules)) {
$filter = json_decode($rule['filter']);
/*
* group by name
*/
foreach ($rules as $val) {
if (json_decode($val['filter'])->labels == $filter->labels) {
continue 2;
}
}
$items[] = array('deliver' => json_decode($rule['deliver']), 'filter' => $filter);
}
Q_Response::addScript("plugins/Streams/js/Streams.js");
Q_Response::addScript("plugins/Streams/js/tools/subscription.js");
Q_Response::setToolOptions(compact('items', 'subscribed', 'messageTypes', 'devices', 'publisherId', 'streamName'));
}
/**
* Create or update subscription
*/
function Streams_subscription_put($params)
{
$items = array();
$subscribed = 'no';
$updateTemplate = true;
$streamName = Streams::requestedName();
$publisherId = Streams::requestedPublisherId(true);
$user = Users::loggedInUser(true);
extract($_REQUEST);
$items = json_decode($items, true);
$stream = Streams::fetchOne($user->id, $publisherId, $streamName);
if (!$stream) {
throw new Q_Exception_MissingRow(array('table' => 'stream', 'criteria' => compact('publisherId', 'streamName')));
}
$rules = Streams_Rule::select('*')->where(array('ofUserId' => $user->id, 'publisherId' => $publisherId, 'streamName' => $streamName))->fetchDbRows(null, '', 'ordinal');
$types = Q_Config::get('Streams', 'types', $stream->type, 'messages', array());
if ($subscribed !== 'no') {
// update rules
while ($item = array_pop($items)) {
// join "grouped" message types to $items
foreach ($types as $type => $msg) {
if ($msg['title'] == $item['filter']->labels and $type != $item['filter']->types) {
$items[] = (object) array('deliver' => $item->deliver, 'filter' => array('types' => $type, 'labels' => $msg['title'], 'notifications' => $item['filter']->notifications));
}
}
if (!($rule = array_pop($rules))) {
$rule = new Streams_Rule();
$rule->ofUserId = $user->id;
$rule->publisherId = $publisherId;
$rule->streamName = $streamName;
$rule->relevance = 1;
}
$rule->filter = Q::json_encode($item['filter']);
$rule->deliver = Q::json_encode($item['deliver']);
$rule->save();
}
}
foreach ($rules as $rule) {
$rule->remove();
}
$streams_subscription = new Streams_Subscription();
$streams_subscription->streamName = $streamName;
$streams_subscription->publisherId = $publisherId;
$streams_subscription->ofUserId = $user->id;
$streams_subscription->filter = Q::json_encode(array());
$streams_subscription->retrieve();
$streams_participant = new Streams_Participant();
$streams_participant->publisherId = $publisherId;
$streams_participant->streamName = $streamName;
$streams_participant->userId = $user->id;
$streams_participant->state = 'participating';
$streams_participant->reason = '';
$streams_participant->retrieve();
$streams_participant->subscribed = $subscribed;
$streams_participant->save();
if ($subscribed === 'yes') {
$stream->subscribe(array('skipRules' => true));
} else {
$stream->unsubscribe();
}
}
/**
* Subscribe to the stream's messages<br/>
* If options are not given check the subscription templates:
* 1. exact stream name and exact user id
* 2. generic stream name and exact user id
* 3. exact stream name and generic user
* 4. generic stream name and generic user
* default is to subscribe to ALL messages.
* If options supplied - skip templates and use options<br/><br/>
* Using subscribe if subscription is already active will modify existing
* subscription - change type(s) or modify notifications
* @method subscribe
* @param $options=array() {array}
* @param {array} [$options.types] array of message types, if this is empty then subscribes to all types
* @param {integer} [$options.notifications=0] limit number of notifications, 0 means no limit
* @param {datetime} [$options.untilTime=null] time limit, if any for subscription
* @param {datetime} [$options.readyTime] time from which user is ready to receive notifications again
* @param {string} [$options.userId] the user subscribing to the stream. Defaults to the logged in user.
* @param {array} [$options.deliver=array('to'=>'default')] under "to" key, named the field under Streams/rules/deliver config, which will contain the names of destinations, which can include "email", "mobile", "email+pending", "mobile+pending"
* @param {boolean} [$options.skipRules] if true, do not attempt to create rules
* @param {boolean} [$options.skipAccess] if true, skip access check for whether user can subscribe
* @return {Streams_Subscription|false}
*/
function subscribe($options = array())
{
$stream = $this->fetchAsUser($options, $userId, $user);
if (empty($options['skipAccess']) and !$stream->testReadLevel('messages')) {
if (!$stream->testReadLevel('see')) {
throw new Streams_Exception_NoSuchStream();
}
throw new Users_Exception_NotAuthorized();
}
// first make user a participant
$stream->join(array("userId" => $userId, "subscribed" => true, "noVisit" => true, "skipAccess" => Q::ifset($options, 'skipAccess', false)));
// check for 'messages' level
$s = new Streams_Subscription();
$s->publisherId = $stream->publisherId;
$s->streamName = $stream->name;
$s->ofUserId = $userId;
$s->retrieve();
$type = null;
if ($template = $stream->getSubscriptionTemplate('Streams_Subscription', $userId, $type)) {
$filter = json_decode($template->filter, true);
} else {
$filter = array('types' => array(), 'notifications' => 0);
}
if (isset($options['types'])) {
$filter['types'] = !empty($options['types']) ? $options['types'] : $filter['types'];
}
if (isset($options['notifications'])) {
$filter['notifications'] = $options['notifications'];
}
$s->filter = Q::json_encode($filter);
if (isset($options['untilTime'])) {
$s->untilTime = $options['untilTime'];
} else {
if ($type > 0 and $template and $template->duration > 0) {
$s->untilTime = date("c", time() + $template->duration);
}
}
if (!$s->save(true)) {
return false;
}
if (empty($options['skipRules'])) {
// Now let's handle rules
$type2 = null;
$template = $stream->getSubscriptionTemplate('Streams_Rule', $userId, $type2);
$ruleSuccess = true;
if ($type2 !== 0) {
$rule = new Streams_Rule();
$rule->ofUserId = $userId;
$rule->publisherId = $stream->publisherId;
$rule->streamName = $stream->name;
if (empty($template) and $rule->retrieve()) {
$ruleSuccess = false;
} else {
$rule->readyTime = isset($options['readyTime']) ? $options['readyTime'] : new Db_Expression('CURRENT_TIMESTAMP');
$rule->filter = !empty($template->filter) ? $template->filter : '{"types":[],"labels":[]}';
$rule->relevance = !empty($template->relevance) ? $template->relevance : 1;
$rule->deliver = !empty($template->deliver) ? $template->deliver : Q::json_encode(Q::ifset($options, 'deliver', array('to' => 'default')));
$ruleSuccess = !!$rule->save();
}
}
}
// skip error testing for rule save BUT inform node.
// Node can notify user to check the rules
Q_Utils::sendToNode(array("Q/method" => "Streams/Stream/subscribe", "subscription" => Q::json_encode($s->toArray()), "stream" => Q::json_encode($stream->toArray()), "success" => Q::json_encode($ruleSuccess)));
// Post Streams/subscribe message to the stream
$stream->post($userId, array('type' => 'Streams/subscribe'), true);
// Now post Streams/subscribed message to Streams/participating
Streams_Message::post($userId, $userId, 'Streams/participating', array('type' => 'Streams/subscribed', 'instructions' => Q::json_encode(array('publisherId' => $stream->publisherId, 'streamName' => $stream->name))), true);
return $s;
}
/**
* Subscribe to one or more streams, to start receiving notifications.
* Posts "Streams/subscribe" message to the streams.
* Also posts "Streams/subscribed" messages to user's "Streams/participating" stream.
* If options are not given check the subscription templates:
* 1. generic publisher id and generic user
* 2. exact publisher id and generic user
* 3. generic publisher id and exact user
* default is to subscribe to ALL messages.
* If options are supplied - skip templates and use options.
* Using subscribe if subscription is already active will modify existing
* subscription - change type(s) or modify notifications
* @method subscribe
* @static
* @param {string} $asUserId The id of the user that is joining. Pass null here to use the logged-in user's id.
* @param {string} $publisherId The id of the user publishing all the streams
* @param {array} $streams An array of Streams_Stream objects or stream names
* @param {array} [$options=array()]
* @param {array} [$options.filter] optional array with two keys
* @param {array} [$options.filter.types] array of message types, if this is empty then subscribes to all types
* @param {array} [$options.filter.notifications=0] limit number of notifications, 0 means no limit
* @param {datetime} [$options.untilTime=null] time limit, if any for subscription
* @param {array} [$options.rule=array()] optionally override the rule for new subscriptions
* @param {array} [$options.rule.deliver=array('to'=>'default')] under "to" key,
* named the field under Streams/rules/deliver config, which will contain the names of destinations,
* which can include "email", "mobile", "email+pending", "mobile+pending"
* @param {datetime} [$options.rule.readyTime] time from which user is ready to receive notifications again
* @param {array} [$options.rule.filter] optionally set a filter for the rules to add
* @param {boolean} [$options.skipRules] if true, do not attempt to create rules for new subscriptions
* @param {boolean} [$options.skipAccess] if true, skip access check for whether user can join and subscribe
* @return {array} An array of Streams_Participant rows from the database.
*/
static function subscribe($asUserId, $publisherId, $streams, $options = array())
{
$streams2 = self::_getStreams($asUserId, $publisherId, $streams);
$streamNames = array();
foreach ($streams2 as $s) {
$streamNames[] = $s->name;
}
if (empty($options['skipAccess'])) {
self::_accessExceptions($streams2, $streamNames, 'join');
}
$participants = Streams::join($asUserId, $publisherId, $streams2, array('subscribed' => true, 'noVisit' => true, 'skipAccess' => Q::ifset($options, 'skipAccess', false)));
$shouldUpdate = false;
if (isset($options['filter'])) {
$filter = Q::json_encode($options['filter']);
$shouldUpdate = true;
}
$db = Streams_Subscription::db();
if (isset($options['untilTime'])) {
$untilTime = $db->toDateTime($options['untilTime']);
$shouldUpdate = true;
}
$subscriptions = array();
$rows = Streams_Subscription::select('*')->where(array('publisherId' => $publisherId, 'streamName' => $streamNames, 'ofUserId' => $asUserId))->fetchAll(PDO::FETCH_ASSOC);
foreach ($rows as $row) {
$sn = $row['streamName'];
$subscriptions[$sn] = $row;
}
$messages = array();
$pMessages = array();
$streamNamesMissing = array();
$streamNamesUpdate = array();
foreach ($streamNames as $sn) {
$messages[$publisherId][$sn] = array('type' => 'Streams/subscribe');
$pMessages[] = array('type' => 'Streams/subscribed', 'instructions' => array('publisherId' => $publisherId, 'streamName' => $sn));
if (empty($subscriptions[$sn])) {
$streamNamesMissing[] = $sn;
continue;
}
if ($shouldUpdate) {
$streamNamesUpdate[] = $sn;
}
}
if ($streamNamesUpdate) {
Streams_Subscription::update()->set(compact('filter', 'untilTime'))->where(array('publisherId' => $publisherId, 'streamName' => $streamNamesUpdate, 'ofUserId' => $asUserId))->execute();
}
$rules = array();
if ($streamNamesMissing) {
$types = array();
foreach ($streamNamesMissing as $sn) {
$stream = $streams2[$sn];
$types[$stream->type][] = $sn;
}
$subscriptionRows = array();
$ruleRows = array();
foreach ($types as $type => $sns) {
// insert subscriptions
if (!isset($filter) or !isset($untilTime)) {
$templates = Streams_Subscription::select('*')->where(array('publisherId' => array('', $publisherId), 'streamName' => $type . '/', 'ofUserId' => array('', $asUserId)))->fetchAll(PDO::FETCH_ASSOC);
$template = null;
foreach ($templates as $t) {
if (!$template or $template['publisherId'] == '' and $t['publisherId'] !== '' or $template['userId'] == '' and $t['userId'] !== '') {
$template = $t;
}
}
}
if (!isset($filter)) {
$filter = Q::json_encode($template ? Q::json_decode($template['filter']) : Streams_Stream::getConfigField($type, array('subscriptions', 'filter'), array("types" => array("^(?!(Users/)|(Streams/)).*/", "Streams/relatedTo", "Streams/chat/message"), "notifications" => 0)));
}
if (!isset($untilTime)) {
$untilTime = ($template and $template['duration'] > 0) ? new Db_Expression("CURRENT_TIMESTAMP + INTERVAL {$template['duration']} SECOND") : null;
}
foreach ($sns as $sn) {
$subscriptions[$sn] = $subscriptionRows[] = new Streams_Subscription(array('publisherId' => $publisherId, 'streamName' => $sn, 'ofUserId' => $asUserId, 'untilTime' => $untilTime, 'filter' => $filter));
}
if (!empty($options['skipRules'])) {
continue;
}
// insert up to one rule per subscription
$rule = null;
if (isset($options['rule'])) {
$rule = $options['rule'];
if (isset($rule['readyTime'])) {
$rule['readyTime'] = $db->toDateTime($rule['readyTime']);
}
if (isset($rule['filter']) and is_array($rule['filter'])) {
$rule['filter'] = Q::json_encode($rule['filter']);
}
if (isset($rule['deliver']) and is_array($rule['deliver'])) {
$rule['deliver'] = Q::json_encode($rule['deliver']);
}
}
if (!isset($rule)) {
$templates = Streams_Rule::select('*')->where(array('ofUserId' => array('', $asUserId), 'publisherId' => array('', $publisherId), 'streamName' => $type . '/', 'ordinal' => 1))->fetchAll(PDO::FETCH_ASSOC);
foreach ($templates as $t) {
if (!$rule or $rule['userId'] == '' and $t['userId'] !== '' or $rule['publisherId'] == '' and $t['publisherId'] !== '') {
$rule = $t;
}
}
}
if (!isset($rule)) {
$rule = array('deliver' => '{"to": "default"}', 'filter' => '{"types": [], "labels": []}');
}
if ($rule) {
$rule['ofUserId'] = $asUserId;
$rule['publisherId'] = $publisherId;
if (empty($rule['readyTime'])) {
$rule['readyTime'] = new Db_Expression("CURRENT_TIMESTAMP");
}
foreach ($sns as $sn) {
$row = $rule;
$row['streamName'] = $sn;
$row['ordinal'] = 1;
$row['filter'] = '';
$rules[$sn] = $ruleRows[] = $row;
$messages[$publisherId][$sn]['instructions'] = Q::json_encode(array('rule' => $row));
}
}
}
Streams_Subscription::insertManyAndExecute($subscriptionRows);
Streams_Rule::insertManyAndExecute($ruleRows);
}
foreach ($streamNames as $sn) {
$subscription = $subscriptions[$sn];
$stream = $streams2[$sn];
// skip error testing for rule save BUT inform node.
// Node can notify user to check the rules
Q_Utils::sendToNode(array("Q/method" => "Streams/Stream/subscribe", "subscription" => Q::json_encode($subscription), "stream" => Q::json_encode($stream->toArray()), "rule" => isset($rules[$sn]) ? Q::json_encode($rules[$sn]) : null));
}
Streams_Message::postMessages($asUserId, $messages, true);
Streams_Message::postMessages($asUserId, array($asUserId => array('Streams/participating' => $pMessages)), true);
return $participants;
}
