<?php
final class Application_Model_Scheduler
{
private $con;
private $fileInfo = [
'id' => '',
'cliplength' => '',
'cuein' => '00:00:00',
'cueout' => '00:00:00',
'fadein' => '00:00:00',
'fadeout' => '00:00:00',
'sched_id' => null,
'type' => 0, // default type of '0' to represent files. type '1' represents a webstream
];
private $epochNow;
private $nowDT;
private $user;
private $crossfadeDuration;
private $applyCrossfades = true;
private $checkUserPermissions = true;
public function __construct($checkUserPermissions = true)
{
$this->con = Propel::getConnection(CcSchedulePeer::DATABASE_NAME);
// subtracting one because sometimes when we cancel a track, we set its end time
// to epochNow and then send the new schedule to pypo. Sometimes the currently cancelled
// track can still be included in the new schedule because it may have a few ms left to play.
// subtracting 1 second from epochNow resolves this issue.
$this->epochNow = microtime(true) - 1;
$this->nowDT = DateTime::createFromFormat('U.u', $this->epochNow, new DateTimeZone('UTC'));
if ($this->nowDT === false) {
// DateTime::createFromFormat does not support millisecond string formatting in PHP 5.3.2 (Ubuntu 10.04).
// In PHP 5.3.3 (Ubuntu 10.10), this has been fixed.
$this->nowDT = DateTime::createFromFormat('U', time(), new DateTimeZone('UTC'));
}
$this->setCheckUserPermissions($checkUserPermissions);
if ($this->checkUserPermissions) {
$this->user = Application_Model_User::getCurrentUser();
}
$this->crossfadeDuration = Application_Model_Preference::GetDefaultCrossfadeDuration();
}
public function setCheckUserPermissions($value)
{
$this->checkUserPermissions = $value;
}
private function validateItemMove($itemsToMove, $destination)
{
$destinationInstanceId = $destination['instance'];
$destinationCcShowInstance = CcShowInstancesQuery::create()
->findPk($destinationInstanceId);
$isDestinationLinked = $destinationCcShowInstance->getCcShow()->isLinked();
foreach ($itemsToMove as $itemToMove) {
$sourceInstanceId = $itemToMove['instance'];
$ccShowInstance = CcShowInstancesQuery::create()
->findPk($sourceInstanceId);
// does the item being moved belong to a linked show
$isSourceLinked = $ccShowInstance->getCcShow()->isLinked();
if ($isDestinationLinked && !$isSourceLinked) {
throw new Exception('Cannot move items into linked shows');
}
if (!$isDestinationLinked && $isSourceLinked) {
throw new Exception('Cannot move items out of linked shows');
}
if ($isSourceLinked && $sourceInstanceId != $destinationInstanceId) {
throw new Exception(_('Cannot move items out of linked shows'));
}
}
}
/*
* make sure any incoming requests for scheduling are legit.
*
* @param array $items, an array containing pks of cc_schedule items.
*/
private function validateRequest($items, $addRemoveAction = false, $cancelShow = false)
{
// $items is where tracks get inserted (they are schedule locations)
$nowEpoch = floatval($this->nowDT->format('U.u'));
$schedInfo = [];
$instanceInfo = [];
for ($i = 0; $i < count($items); ++$i) {
$id = $items[$i]['id'];
// could be added to the beginning of a show, which sends id = 0;
if ($id > 0) {
// schedule_id of where we are inserting after?
$schedInfo[$id] = $items[$i]['instance'];
}
// format is instance_id => timestamp
$instanceInfo[$items[$i]['instance']] = $items[$i]['timestamp'];
}
if (count($instanceInfo) === 0) {
throw new Exception('Invalid Request.');
}
$schedIds = [];
if (count($schedInfo) > 0) {
$schedIds = array_keys($schedInfo);
}
$schedItems = CcScheduleQuery::create()->findPKs($schedIds, $this->con);
$instanceIds = array_keys($instanceInfo);
$showInstances = CcShowInstancesQuery::create()->findPKs($instanceIds, $this->con);
// an item has been deleted
if (count($schedIds) !== count($schedItems)) {
throw new OutDatedScheduleException(_("The schedule you're viewing is out of date! (sched mismatch)"));
}
// a show has been deleted
if (count($instanceIds) !== count($showInstances)) {
throw new OutDatedScheduleException(_("The schedule you're viewing is out of date! (instance mismatch)"));
}
foreach ($schedItems as $schedItem) {
$id = $schedItem->getDbId();
$instance = $schedItem->getCcShowInstances($this->con);
if (intval($schedInfo[$id]) !== $instance->getDbId()) {
throw new OutDatedScheduleException(_("The schedule you're viewing is out of date!"));
}
}
foreach ($showInstances as $instance) {
$id = $instance->getDbId();
$show = $instance->getCcShow($this->con);
if ($this->checkUserPermissions && $this->user->canSchedule($show->getDbId()) === false) {
throw new Exception(sprintf(_('You are not allowed to schedule show %s.'), $show->getDbName()));
}
if ($instance->getDbRecord()) {
throw new Exception(_('You cannot add files to recording shows.'));
}
$showEndEpoch = floatval($instance->getDbEnds('U.u'));
if ($showEndEpoch < $nowEpoch) {
throw new OutDatedScheduleException(sprintf(_('The show %s is over and cannot be scheduled.'), $show->getDbName()));
}
$ts = intval($instanceInfo[$id]);
$lastSchedTs = intval($instance->getDbLastScheduled('U')) ?: 0;
if ($ts < $lastSchedTs) {
Logging::info("ts {$ts} last sched {$lastSchedTs}");
throw new OutDatedScheduleException(sprintf(_('The show %s has been previously updated!'), $show->getDbName()));
}
/*
* Does the afterItem belong to a show that is linked AND
* currently playing?
* If yes, throw an exception
* unless it is a cancel show action then we don't check because otherwise
* ongoing linked shows can't be cancelled
*/
if ($addRemoveAction && !$cancelShow) {
$ccShow = $instance->getCcShow();
if ($ccShow->isLinked()) {
// get all the linked shows instances and check if
// any of them are currently playing
$ccShowInstances = $ccShow->getCcShowInstancess();
$timeNowUTC = gmdate(DEFAULT_TIMESTAMP_FORMAT);
foreach ($ccShowInstances as $ccShowInstance) {
if (
$ccShowInstance->getDbStarts() <= $timeNowUTC
&& $ccShowInstance->getDbEnds() > $timeNowUTC
) {
throw new Exception(_('Content in linked shows cannot be changed while on air!'));
}
}
}
}
}
}
private function validateMediaItems($mediaItems)
{
foreach ($mediaItems as $mediaItem) {
$id = $mediaItem['id'];
if ($mediaItem['type'] === 'playlist') {
$playlist = new Application_Model_Playlist($id, $this->con);
if ($playlist->containsMissingFiles()) {
throw new Exception(_('Cannot schedule a playlist that contains missing files.'));
}
}
}
return true;
}
/*
* @param $id
* @param $type
* @param $show
*
* @return $files
*/
private function retrieveMediaFiles($id, $type, $show)
{
// if there is a show we need to set a show limit to pass to smart blocks in case they use time remaining
$showInstance = new Application_Model_ShowInstance($show);
$showLimit = $showInstance->getSecondsRemaining();
$files = [];
if ($type === 'audioclip') {
$file = CcFilesQuery::create()->findPK($id, $this->con);
if (is_null($file) || !$file->visible()) {
throw new Exception(_('A selected File does not exist!'));
}
$data = $this->fileInfo;
$data['id'] = $id;
$cuein = Application_Common_DateHelper::playlistTimeToSeconds($file->getDbCuein());
$cueout = Application_Common_DateHelper::playlistTimeToSeconds($file->getDbCueout());
$row_length = Application_Common_DateHelper::secondsToPlaylistTime($cueout - $cuein);
$data['cliplength'] = $row_length;
$data['cuein'] = $file->getDbCuein();
$data['cueout'] = $file->getDbCueout();
// fade is in format SS.uuuuuu
$data['fadein'] = Application_Model_Preference::GetDefaultFadeIn();
$data['fadeout'] = Application_Model_Preference::GetDefaultFadeOut();
$files[] = $data;
} elseif ($type === 'playlist') {
$pl = new Application_Model_Playlist($id);
$contents = $pl->getContents();
// because the time remaining is not updated until after the schedule inserts we need to track it for
// the entire add vs. querying on the smartblock level
foreach ($contents as $plItem) {
if ($plItem['type'] == 0) {
$data['id'] = $plItem['item_id'];
$data['cliplength'] = $plItem['length'];
$data['cuein'] = $plItem['cuein'];
$data['cueout'] = $plItem['cueout'];
$data['fadein'] = $plItem['fadein'];
$data['fadeout'] = $plItem['fadeout'];
$data['type'] = 0;
$files[] = $data;
} elseif ($plItem['type'] == 1) {
$data['id'] = $plItem['item_id'];
$data['cliplength'] = $plItem['length'];
$data['cuein'] = $plItem['cuein'];
$data['cueout'] = $plItem['cueout'];
$data['fadein'] = '00.500000'; // $plItem['fadein'];
$data['fadeout'] = '00.500000'; // $plItem['fadeout'];
$data['type'] = 1;
$files[] = $data;
} elseif ($plItem['type'] == 2) {
// if it's a block
$bl = new Application_Model_Block($plItem['item_id']);
if ($bl->isStatic()) {
foreach ($bl->getContents() as $track) {
$data['id'] = $track['item_id'];
$data['cliplength'] = $track['length'];
$data['cuein'] = $track['cuein'];
$data['cueout'] = $track['cueout'];
$data['fadein'] = $track['fadein'];
$data['fadeout'] = $track['fadeout'];
$data['type'] = 0;
$files[] = $data;
}
} else {
$defaultFadeIn = Application_Model_Preference::GetDefaultFadeIn();
$defaultFadeOut = Application_Model_Preference::GetDefaultFadeOut();
$dynamicFiles = $bl->getListOfFilesUnderLimit($showLimit);
foreach ($dynamicFiles as $f) {
$fileId = $f['id'];
$file = CcFilesQuery::create()->findPk($fileId);
if (isset($file) && $file->visible()) {
$data['id'] = $file->getDbId();
$data['cuein'] = $file->getDbCuein();
$data['cueout'] = $file->getDbCueout();
$cuein = Application_Common_DateHelper::calculateLengthInSeconds($data['cuein']);
$cueout = Application_Common_DateHelper::calculateLengthInSeconds($data['cueout']);
$data['cliplength'] = Application_Common_DateHelper::secondsToPlaylistTime($cueout - $cuein);
// fade is in format SS.uuuuuu
$data['fadein'] = $defaultFadeIn;
$data['fadeout'] = $defaultFadeOut;
$data['type'] = 0;
$files[] = $data;
}
}
}
}
// if this is a playlist it might contain multiple time remaining smart blocks
// since the schedule isn't updated until after this insert we need to keep tally
$showLimit -= $this->timeLengthOfFiles($files);
}
} elseif ($type == 'stream') {
// need to return
$stream = CcWebstreamQuery::create()->findPK($id, $this->con);
if (is_null($stream) /* || !$file->visible() */) {
throw new Exception(_('A selected File does not exist!'));
}
$data = $this->fileInfo;
$data['id'] = $id;
$data['cliplength'] = $stream->getDbLength();
$data['cueout'] = $stream->getDbLength();
$data['type'] = 1;
// fade is in format SS.uuuuuu
$data['fadein'] = Application_Model_Preference::GetDefaultFadeIn();
$data['fadeout'] = Application_Model_Preference::GetDefaultFadeOut();
$files[] = $data;
} elseif ($type == 'block') {
$bl = new Application_Model_Block($id);
if ($bl->isStatic()) {
foreach ($bl->getContents() as $track) {
$data['id'] = $track['item_id'];
$data['cliplength'] = $track['length'];
$data['cuein'] = $track['cuein'];
$data['cueout'] = $track['cueout'];
$data['fadein'] = $track['fadein'];
$data['fadeout'] = $track['fadeout'];
$data['type'] = 0;
$files[] = $data;
}
} else {
$defaultFadeIn = Application_Model_Preference::GetDefaultFadeIn();
$defaultFadeOut = Application_Model_Preference::GetDefaultFadeOut();
$dynamicFiles = $bl->getListOfFilesUnderLimit($showLimit);
foreach ($dynamicFiles as $f) {
$fileId = $f['id'];
$file = CcFilesQuery::create()->findPk($fileId);
if (isset($file) && $file->visible()) {
$data['id'] = $file->getDbId();
$data['cuein'] = $file->getDbCuein();
$data['cueout'] = $file->getDbCueout();
$cuein = Application_Common_DateHelper::calculateLengthInSeconds($data['cuein']);
$cueout = Application_Common_DateHelper::calculateLengthInSeconds($data['cueout']);
$data['cliplength'] = Application_Common_DateHelper::secondsToPlaylistTime($cueout - $cuein);
// fade is in format SS.uuuuuu
$data['fadein'] = $defaultFadeIn;
$data['fadeout'] = $defaultFadeOut;
$data['type'] = 0;
$files[] = $data;
}
}
}
}
return $files;
}
/*
* @param DateTime startDT in UTC
* @param string duration
* in format H:i:s.u (could be more that 24 hours)
*
* @return DateTime endDT in UTC
*/
private function findTimeDifference($p_startDT, $p_seconds)
{
$startEpoch = $p_startDT->format('U.u');
// add two float numbers to 6 subsecond precision
// DateTime::createFromFormat("U.u") will have a problem if there is no decimal in the resulting number.
$newEpoch = bcsub($startEpoch, (string) $p_seconds, 6);
$dt = DateTime::createFromFormat('U.u', $newEpoch, new DateTimeZone('UTC'));
if ($dt === false) {
// PHP 5.3.2 problem
$dt = DateTime::createFromFormat('U', intval($newEpoch), new DateTimeZone('UTC'));
}
return $dt;
}
private function findTimeDifference2($p_startDT, $p_endDT)
{
$startEpoch = $p_startDT->format('U.u');
$endEpoch = $p_endDT->format('U.u');
// add two float numbers to 6 subsecond precision
// DateTime::createFromFormat("U.u") will have a problem if there is no decimal in the resulting number.
$newEpoch = bcsub($endEpoch, (string) $startEpoch, 6);
$dt = DateTime::createFromFormat('U.u', $newEpoch, new DateTimeZone('UTC'));
if ($dt === false) {
// PHP 5.3.2 problem
$dt = DateTime::createFromFormat('U', intval($newEpoch), new DateTimeZone('UTC'));
}
return $dt;
}
/*
* @param DateTime startDT in UTC
* @param string duration
* in format H:i:s.u (could be more that 24 hours)
*
* @return DateTime endDT in UTC
*/
private function findEndTime($p_startDT, $p_duration)
{
$startEpoch = $p_startDT->format('U.u');
$durationSeconds = Application_Common_DateHelper::playlistTimeToSeconds($p_duration);
// add two float numbers to 6 subsecond precision
// DateTime::createFromFormat("U.u") will have a problem if there is no decimal in the resulting number.
$endEpoch = bcadd($startEpoch, (string) $durationSeconds, 6);
$dt = DateTime::createFromFormat('U.u', $endEpoch, new DateTimeZone('UTC'));
if ($dt === false) {
// PHP 5.3.2 problem
$dt = DateTime::createFromFormat('U', intval($endEpoch), new DateTimeZone('UTC'));
}
return $dt;
}
private function findNextStartTime($DT, $instanceId)
{
// TODO: there is at least one case where this function creates a filler block with
// an incorrect length; should keep an eye on it
$sEpoch = $DT->format('U.u');
$nEpoch = $this->epochNow;
// check for if the show has started.
if (bccomp($nEpoch, $sEpoch, 6) === 1) {
$this->applyCrossfades = false;
// need some kind of placeholder for cc_schedule.
// playout_status will be -1.
$nextDT = $this->nowDT;
$length = bcsub($nEpoch, $sEpoch, 6);
$cliplength = Application_Common_DateHelper::secondsToPlaylistTime($length);
// fillers are for only storing a chunk of time space that has already passed.
$filler = new CcSchedule();
$filler->setDbStarts($DT)
->setDbEnds($this->nowDT)
->setDbClipLength($cliplength)
->setDbCueIn('00:00:00')
->setDbCueOut('00:00:00')
->setDbPlayoutStatus(-1)
->setDbInstanceId($instanceId)
->save($this->con);
} else {
$nextDT = $DT;
}
return $nextDT;
}
/*
* @param int $showInstance
* This function recalculates the start/end times of items in a gapless show to
* account for crossfade durations.
*/
private function calculateCrossfades($instanceId)
{
Logging::info('adjusting start, end times of scheduled items to account for crossfades show instance #' . $instanceId);
$instance = CcShowInstancesQuery::create()->findPk($instanceId);
if (is_null($instance)) {
throw new OutDatedScheduleException(_("The schedule you're viewing is out of date!"));
}
$schedule = CcScheduleQuery::create()
->filterByDbInstanceId($instanceId)
->orderByDbStarts()
->find($this->con);
$now = new DateTime('now', new DateTimeZone('UTC'));
$itemStartDT = $instance->getDbStarts(null);
foreach ($schedule as $item) {
$itemEndDT = $this->findEndTime($itemStartDT, $item->getDbClipLength());
// If the track has already ended, don't change it.
if ($itemEndDT < $now) {
$itemStartDT = $itemEndDT;
continue;
}
$item->setDbStarts($itemStartDT)
->setDbEnds($itemEndDT)
->save($this->con);
$itemStartDT = $this->findTimeDifference($itemEndDT, $this->crossfadeDuration);
}
}
/*
* @param int $showInstance
* @param array $exclude
* ids of sched items to remove from the calculation.
* This function squeezes all items of a show together so that
* there are no gaps between them.
*/
public function removeGaps($showInstance, $exclude = null)
{
Logging::info('removing gaps from show instance #' . $showInstance);
$instance = CcShowInstancesQuery::create()->findPk($showInstance, $this->con);
if (is_null($instance)) {
throw new OutDatedScheduleException(_("The schedule you're viewing is out of date!"));
}
$schedule = CcScheduleQuery::create()
->filterByDbInstanceId($showInstance)
->filterByDbId($exclude, Criteria::NOT_IN)
->orderByDbStarts()
->find($this->con);
$now = new DateTime('now', new DateTimeZone('UTC'));
$itemStartDT = $instance->getDbStarts(null);
foreach ($schedule as $item) {
$itemEndDT = $this->findEndTime($itemStartDT, $item->getDbClipLength());
// If the track has already ended, don't change it.
if ($itemEndDT < $now) {
$itemStartDT = $itemEndDT;
continue;
}
$item->setDbStarts($itemStartDT)
->setDbEnds($itemEndDT);
$itemStartDT = $itemEndDT;
}
$schedule->save($this->con);
}
/** Temporary hack to copy the track cue in, out, and length from the cc_files table to fix
* incorrect track lengths (RKTN-260).
*
* @param mixed $showInstance
* @param null|mixed $exclude
*/
public function removeGaps2($showInstance, $exclude = null)
{
$instance = CcShowInstancesQuery::create()->findPK($showInstance, $this->con);
if (is_null($instance)) {
throw new OutDatedScheduleException(_("The schedule you're viewing is out of date!"));
}
$itemStartDT = $instance->getDbStarts(null);
$schedule = CcScheduleQuery::create()
->filterByDbInstanceId($showInstance)
->filterByDbId($exclude, Criteria::NOT_IN)
->orderByDbStarts()
->find($this->con);
foreach ($schedule as $item) {
// START OF TIME RECALC HACK
// TODO: Copy the cue in, cue out, and track length from the cc_files table
$file = $item->getCcFiles($this->con);
if (!$file) {
continue;
}
$item->setDbCueIn($file->getDbCueIn());
$item->setDbCueOut($file->getDbCueOut());
$cueOut = new DateTime($file->getDbCueOut());
$cueIn = new DateTime($file->getDbCueIn());
$clipLength = $this->findTimeDifference2($cueIn, $cueOut);
// The clip length is supposed to be cue out - cue in:
// FIXME: How do we correctly do time arithmetic in PHP without losing the millseconds?
$item->setDbClipLength($clipLength->format(DEFAULT_INTERVAL_FORMAT));
$item->save($this->con);
// Ensure we don't get cached results
CcSchedulePeer::clearInstancePool();
// END OF TIME RECALC HACK
$itemEndDT = $this->findEndTime($itemStartDT, $item->getDbClipLength());
$item->setDbStarts($itemStartDT)
->setDbEnds($itemEndDT)
->save($this->con);
$itemStartDT = $this->findTimeDifference($itemEndDT, $this->crossfadeDuration);
}
$instance->updateDbTimeFilled($this->con); // FIXME: TIME RECALC HACK (Albert)
$schedule->save($this->con);
}
/**
* Enter description here ...
*
* @param $scheduleItems
* cc_schedule items, where the items get inserted after
* @param $filesToInsert
* array of schedule item info, what gets inserted into cc_schedule
* @param mixed $mediaItems
* @param mixed $moveAction
* @param mixed $adjustSched
*/
private function insertAfter($scheduleItems, $mediaItems, $filesToInsert = null, $adjustSched = true, $moveAction = false)
{
try {
// temporary fix for CC-5665
set_time_limit(180);
$affectedShowInstances = [];
// dont want to recalculate times for moved items
// only moved items have a sched_id
$excludeIds = [];
$startProfile = microtime(true);
$temp = [];
$instance = null;
/* Items in shows are ordered by position number. We need to know
* the position when adding/moving items in linked shows so they are
* added or moved in the correct position
*/
$pos = 0;
$linked = false;
foreach ($scheduleItems as $schedule) {
// reset
$this->applyCrossfades = true;
$id = intval($schedule['id']);
/* Find out if the show where the cursor position (where an item will
* be inserted) is located is linked or not. If the show is linked,
* we need to make sure there isn't another cursor selection in one of it's
* linked shows. If there is that will cause a duplication, in the least,
* of inserted items
*/
if ($id != 0) {
$schedule_sql = 'SELECT * FROM cc_schedule WHERE id = ' . $id;
$ccSchedule = Application_Common_Database::prepareAndExecute(
$schedule_sql,
[],
Application_Common_Database::SINGLE
);
$show_sql = 'SELECT * FROM cc_show WHERE id IN (' .
'SELECT show_id FROM cc_show_instances WHERE id = ' . $ccSchedule['instance_id'] . ')';
$ccShow = Application_Common_Database::prepareAndExecute(
$show_sql,
[],
Application_Common_Database::SINGLE
);
$linked = $ccShow['linked'];
if ($linked) {
$unique = $ccShow['id'] . $ccSchedule['position'];
if (!in_array($unique, $temp)) {
$temp[] = $unique;
} else {
continue;
}
}
} else {
$show_sql = 'SELECT * FROM cc_show WHERE id IN (' .
'SELECT show_id FROM cc_show_instances WHERE id = ' . $schedule['instance'] . ')';
$ccShow = Application_Common_Database::prepareAndExecute(
$show_sql,
[],
Application_Common_Database::SINGLE
);
$linked = $ccShow['linked'];
if ($linked) {
$unique = $ccShow['id'] . 'a';
if (!in_array($unique, $temp)) {
$temp[] = $unique;
} else {
continue;
}
}
}
/* If the show where the cursor position is located is linked
* we need to insert the items for each linked instance belonging
* to that show
*/
if ($linked) {
$instances = CcShowInstancesQuery::create()
->filterByDbShowId($ccShow['id'])
->filterByDbStarts(gmdate(DEFAULT_TIMESTAMP_FORMAT), Criteria::GREATER_THAN)
->find();
} else {
$instances = CcShowInstancesQuery::create()
->filterByDbId($schedule['instance'])
->find();
}
$excludePositions = [];
foreach ($instances as &$instance) {
// reset
$this->applyCrossfades = true;
// $instanceId = $instance["id"];
$instanceId = $instance->getDbId();
if ($id !== 0) {
/* We use the selected cursor's position to find the same
* positions in every other linked instance
*/
$pos = $ccSchedule['position'];
$linkedItem_sql = 'SELECT ends FROM cc_schedule ' .
"WHERE instance_id = {$instanceId} " .
"AND position = {$pos} " .
'AND playout_status != -1';
$linkedItemEnds = Application_Common_Database::prepareAndExecute(
$linkedItem_sql,
[],
Application_Common_Database::COLUMN
);
if (!$linkedItemEnds) {
// With dynamic smart blocks there may be different number of items in
// each show. In case the position does not exist we need to select
// the end time of the last position
$maxPos_sql = 'SELECT max(position) from cc_schedule ' .
"WHERE instance_id = {$instanceId}";
$pos = Application_Common_Database::prepareAndExecute(
$maxPos_sql,
[],
Application_Common_Database::COLUMN
);
// show instance has no scheduled tracks
if (empty($pos)) {
$pos = 0;
$nextStartDT = new DateTime($instance->getDbStarts(), new DateTimeZone('UTC'));
} else {
$linkedItem_sql = 'SELECT ends FROM cc_schedule ' .
"WHERE instance_id = {$instanceId} " .
"AND position = {$pos} " .
'AND playout_status != -1';
$linkedItemEnds = Application_Common_Database::prepareAndExecute(
$linkedItem_sql,
[],
Application_Common_Database::COLUMN
);
$nextStartDT = $this->findNextStartTime(
new DateTime($linkedItemEnds, new DateTimeZone('UTC')),
$instanceId
);
}
} else {
$nextStartDT = $this->findNextStartTime(
new DateTime($linkedItemEnds, new DateTimeZone('UTC')),
$instanceId
);
++$pos;
}
}
// selected empty row to add after
else {
$showStartDT = new DateTime($instance->getDbStarts(), new DateTimeZone('UTC'));
$nextStartDT = $this->findNextStartTime($showStartDT, $instanceId);
// first item in show so start position counter at 0
$pos = 0;
/* Show is empty so we don't need to calculate crossfades
* for the first inserted item
*/
$this->applyCrossfades = false;
}
if (!in_array($instanceId, $affectedShowInstances)) {
$affectedShowInstances[] = $instanceId;
}
/*
* $adjustSched is true if there are schedule items
* following the item just inserted, per show instance
*/
if ($adjustSched === true) {
$pstart = microtime(true);
if ($this->applyCrossfades) {
$initalStartDT = clone $this->findTimeDifference(
$nextStartDT,
$this->crossfadeDuration
);
} else {
$initalStartDT = clone $nextStartDT;
}
$pend = microtime(true);
Logging::debug('finding all following items.');
Logging::debug(floatval($pend) - floatval($pstart));
}
// passing $schedule["instance"] so that the instance being scheduled
// can be used to determine the remaining time
// in the case of a fill remaining time smart block
if (is_null($filesToInsert)) {
$filesToInsert = [];
foreach ($mediaItems as $media) {
$filesToInsert = array_merge(
$filesToInsert,
$this->retrieveMediaFiles($media['id'], $media['type'], $schedule['instance'])
);
}
}
$doInsert = false;
$doUpdate = false;
$values = [];
// array that stores the cc_file ids so we can update the is_scheduled flag
$fileIds = [];
foreach ($filesToInsert as &$file) {
// item existed previously and is being moved.
// need to keep same id for resources if we want REST.
if (isset($file['sched_id'])) {
$adjustFromDT = clone $nextStartDT;
$doUpdate = true;
$movedItem_sql = 'SELECT * FROM cc_schedule ' .
'WHERE id = ' . $file['sched_id'];
$sched = Application_Common_Database::prepareAndExecute(
$movedItem_sql,
[],
Application_Common_Database::SINGLE
);
/* We need to keep a record of the original positon a track
* is being moved from so we can use it to retrieve the correct
* items in linked instances
*/
if (!isset($originalPosition)) {
$originalPosition = $sched['position'];
}
/* If we are moving an item in a linked show we need to get
* the relative item to move in each instance. We know what the
* relative item is by its position
*/
if ($linked) {
$movedItem_sql = 'SELECT * FROM cc_schedule ' .
"WHERE position = {$originalPosition} " .
"AND instance_id = {$instanceId}";
$sched = Application_Common_Database::prepareAndExecute(
$movedItem_sql,
[],
Application_Common_Database::SINGLE
);
}
/* If we don't find a schedule item it means the linked
* shows have a different amount of items (dyanmic block)
* and we should skip the item move for this show instance
*/
if (!$sched) {
continue;
}
$excludeIds[] = intval($sched['id']);
$file['cliplength'] = $sched['clip_length'];
$file['cuein'] = $sched['cue_in'];
$file['cueout'] = $sched['cue_out'];
$file['fadein'] = $sched['fade_in'];
$file['fadeout'] = $sched['fade_out'];
} else {
$doInsert = true;
}
// default fades are in seconds
// we need to convert to '00:00:00' format
// added a check to only run the conversion if they are in seconds format
// otherwise php > 7.1 throws errors
if (is_numeric($file['fadein'])) {
$file['fadein'] = Application_Common_DateHelper::secondsToPlaylistTime($file['fadein']);
}
if (is_numeric($file['fadeout'])) {
$file['fadeout'] = Application_Common_DateHelper::secondsToPlaylistTime($file['fadeout']);
}
switch ($file['type']) {
case 0:
$fileId = $file['id'];
$streamId = 'null';
$fileIds[] = $fileId;
break;
case 1:
$streamId = $file['id'];
$fileId = 'null';
break;
default:
break;
}
if ($this->applyCrossfades) {
$nextStartDT = $this->findTimeDifference(
$nextStartDT,
$this->crossfadeDuration
);
$endTimeDT = $this->findEndTime($nextStartDT, $file['cliplength']);
$endTimeDT = $this->findTimeDifference($endTimeDT, $this->crossfadeDuration);
/* Set it to false because the rest of the crossfades
* will be applied after we insert each item
*/
$this->applyCrossfades = false;
}
$endTimeDT = $this->findEndTime($nextStartDT, $file['cliplength']);
if ($doInsert) {
$values[] = '(' .
"'{$nextStartDT->format(DEFAULT_MICROTIME_FORMAT)}', " .
"'{$endTimeDT->format(DEFAULT_MICROTIME_FORMAT)}', " .
"'{$file['cuein']}', " .
"'{$file['cueout']}', " .
"'{$file['fadein']}', " .
"'{$file['fadeout']}', " .
"'{$file['cliplength']}', " .
"{$pos}, " .
"{$instanceId}, " .
"{$fileId}, " .
"{$streamId})";
} elseif ($doUpdate) {
$update_sql = 'UPDATE cc_schedule SET ' .
"starts = '{$nextStartDT->format(DEFAULT_MICROTIME_FORMAT)}', " .
"ends = '{$endTimeDT->format(DEFAULT_MICROTIME_FORMAT)}', " .
"cue_in = '{$file['cuein']}', " .
"cue_out = '{$file['cueout']}', " .
"fade_in = '{$file['fadein']}', " .
"fade_out = '{$file['fadeout']}', " .
"clip_length = '{$file['cliplength']}', " .
"position = {$pos}, " .
"instance_id = {$instanceId} " .
"WHERE id = {$sched['id']}";
Application_Common_Database::prepareAndExecute(
$update_sql,
[],
Application_Common_Database::EXECUTE
);
}
$nextStartDT = $this->findTimeDifference($endTimeDT, $this->crossfadeDuration);
++$pos;
} // all files have been inserted/moved
if ($doInsert) {
$insert_sql = 'INSERT INTO cc_schedule ' .
'(starts, ends, cue_in, cue_out, fade_in, fade_out, ' .
'clip_length, position, instance_id, file_id, stream_id) VALUES ' .
implode(',', $values) . ' RETURNING id';
$stmt = $this->con->prepare($insert_sql);
if ($stmt->execute()) {
foreach ($stmt->fetchAll() as $row) {
$excludeIds[] = $row['id'];
}
}
}
$selectCriteria = new Criteria();
$selectCriteria->add(CcFilesPeer::ID, $fileIds, Criteria::IN);
$selectCriteria->addAnd(CcFilesPeer::IS_SCHEDULED, false);
$updateCriteria = new Criteria();
$updateCriteria->add(CcFilesPeer::IS_SCHEDULED, true);
BasePeer::doUpdate($selectCriteria, $updateCriteria, $this->con);
/* Reset files to insert so we can get a new set of files. We have
* to do this in case we are inserting a dynamic block
*/
if (!$moveAction) {
$filesToInsert = null;
}
if ($adjustSched === true) {
$followingItems_sql = 'SELECT * FROM cc_schedule ' .
"WHERE starts >= '{$initalStartDT->format(DEFAULT_MICROTIME_FORMAT)}' " .
"AND instance_id = {$instanceId} ";
if (count($excludeIds) > 0) {
$followingItems_sql .= 'AND id NOT IN (' . implode(',', $excludeIds) . ') ';
}
$followingItems_sql .= 'ORDER BY starts';
$followingSchedItems = Application_Common_Database::prepareAndExecute(
$followingItems_sql
);
$pstart = microtime(true);
// recalculate the start/end times after the inserted items.
foreach ($followingSchedItems as $item) {
$endTimeDT = $this->findEndTime($nextStartDT, $item['clip_length']);
$endTimeDT = $this->findTimeDifference($endTimeDT, $this->crossfadeDuration);
$update_sql = 'UPDATE cc_schedule SET ' .
"starts = '{$nextStartDT->format(DEFAULT_MICROTIME_FORMAT)}', " .
"ends = '{$endTimeDT->format(DEFAULT_MICROTIME_FORMAT)}', " .
"position = {$pos} " .
"WHERE id = {$item['id']}";
Application_Common_Database::prepareAndExecute(
$update_sql,
[],
Application_Common_Database::EXECUTE
);
$nextStartDT = $this->findTimeDifference($endTimeDT, $this->crossfadeDuration);
++$pos;
}
$pend = microtime(true);
Logging::debug('adjusting all following items.');
Logging::debug(floatval($pend) - floatval($pstart));
}
if ($moveAction) {
$this->calculateCrossfades($instanceId);
}
} // for each instance
} // for each schedule location
$endProfile = microtime(true);
Logging::debug('finished adding scheduled items.');
Logging::debug(floatval($endProfile) - floatval($startProfile));
// update the status flag in cc_schedule.
$instances = CcShowInstancesQuery::create()
->filterByPrimaryKeys($affectedShowInstances)
->find($this->con);
$startProfile = microtime(true);
foreach ($instances as $instance) {
$instance->updateScheduleStatus($this->con);
}
$endProfile = microtime(true);
Logging::debug('updating show instances status.');
Logging::debug(floatval($endProfile) - floatval($startProfile));
$startProfile = microtime(true);
// update the last scheduled timestamp.
CcShowInstancesQuery::create()
->filterByPrimaryKeys($affectedShowInstances)
->update(['DbLastScheduled' => new DateTime('now', new DateTimeZone('UTC'))], $this->con);
$endProfile = microtime(true);
Logging::debug('updating last scheduled timestamp.');
Logging::debug(floatval($endProfile) - floatval($startProfile));
} catch (Exception $e) {
Logging::debug($e->getMessage());
throw $e;
}
}
private function updateMovedItem()
{
}
private function getInstances($instanceId)
{
$ccShowInstance = CcShowInstancesQuery::create()->findPk($instanceId);
$ccShow = $ccShowInstance->getCcShow();
if ($ccShow->isLinked()) {
return $ccShow->getFutureCcShowInstancess();
}
return [$ccShowInstance];
}
/*
* @param array $scheduleItems (schedule_id and instance_id it belongs to)
* @param array $mediaItems (file|block|playlist|webstream)
*/
public function scheduleAfter($scheduleItems, $mediaItems, $adjustSched = true)
{
$this->con->beginTransaction();
try {
// Increase the transaction isolation level to prevent two concurrent requests from potentially resulting
// in tracks scheduled at the same time.
$this->con->exec('SET TRANSACTION ISOLATION LEVEL SERIALIZABLE');
$this->validateMediaItems($mediaItems); // Check for missing files, etc.
$this->validateRequest($scheduleItems, true);
/*
* create array of arrays
* array of schedule item info
* (sched_id is the cc_schedule id and is set if an item is being
* moved because it is already in cc_schedule)
* [0] = Array(
* id => 1,
* cliplength => 00:04:32,
* cuein => 00:00:00,
* cueout => 00:04:32,
* fadein => 00.5,
* fadeout => 00.5,
* sched_id => ,
* type => 0)
* [1] = Array(
* id => 2,
* cliplength => 00:05:07,
* cuein => 00:00:00,
* cueout => 00:05:07,
* fadein => 00.5,
* fadeout => 00.5,
* sched_id => ,
* type => 0)
*/
$this->insertAfter($scheduleItems, $mediaItems, null, $adjustSched);
$this->con->commit();
Application_Model_RabbitMq::PushSchedule();
} catch (Exception $e) {
$this->con->rollback();
throw $e;
}
}
/*
* @param array $selectedItem
* @param array $afterItem
*/
public function moveItem($selectedItems, $afterItems, $adjustSched = true)
{
// $startProfile = microtime(true);
$this->con->beginTransaction();
// $this->con->useDebug(true);
try {
// Increase the transaction isolation level to prevent two concurrent requests from potentially resulting
// in tracks scheduled at the same time.
$this->con->exec('SET TRANSACTION ISOLATION LEVEL SERIALIZABLE');
$this->validateItemMove($selectedItems, $afterItems[0]);
$this->validateRequest($selectedItems);
$this->validateRequest($afterItems);
$endProfile = microtime(true);
// Logging::debug("validating move request took:");
// Logging::debug(floatval($endProfile) - floatval($startProfile));
$afterInstance = CcShowInstancesQuery::create()->findPK($afterItems[0]['instance'], $this->con);
// map show instances to cc_schedule primary keys.
$modifiedMap = [];
$movedData = [];
// prepare each of the selected items.
for ($i = 0; $i < count($selectedItems); ++$i) {
$selected = CcScheduleQuery::create()->findPk($selectedItems[$i]['id'], $this->con);
$selectedInstance = $selected->getCcShowInstances($this->con);
$data = $this->fileInfo;
$data['id'] = $selected->getDbFileId();
$data['cliplength'] = $selected->getDbClipLength();
$data['cuein'] = $selected->getDbCueIn();
$data['cueout'] = $selected->getDbCueOut();
$data['fadein'] = $selected->getDbFadeIn();
$data['fadeout'] = $selected->getDbFadeOut();
$data['sched_id'] = $selected->getDbId();
$movedData[] = $data;
// figure out which items must be removed from calculated show times.
$showInstanceId = $selectedInstance->getDbId();
$schedId = $selected->getDbId();
if (isset($modifiedMap[$showInstanceId])) {
array_push($modifiedMap[$showInstanceId], $schedId);
} else {
$modifiedMap[$showInstanceId] = [$schedId];
}
}
// calculate times excluding the to be moved items.
foreach ($modifiedMap as $instance => $schedIds) {
$startProfile = microtime(true);
$this->removeGaps($instance, $schedIds);
// $endProfile = microtime(true);
// Logging::debug("removing gaps from instance $instance:");
// Logging::debug(floatval($endProfile) - floatval($startProfile));
}
// $startProfile = microtime(true);
$this->insertAfter($afterItems, null, $movedData, $adjustSched, true);
// $endProfile = microtime(true);
// Logging::debug("inserting after removing gaps.");
// Logging::debug(floatval($endProfile) - floatval($startProfile));
$modified = array_keys($modifiedMap);
// need to adjust shows we have moved items from.
foreach ($modified as $instanceId) {
$instance = CcShowInstancesQuery::create()->findPK($instanceId, $this->con);
$instance->updateScheduleStatus($this->con);
}
// $this->con->useDebug(false);
$this->con->commit();
Application_Model_RabbitMq::PushSchedule();
} catch (Exception $e) {
$this->con->rollback();
throw $e;
}
}
public function removeItems($scheduledItems, $adjustSched = true, $cancelShow = false)
{
$showInstances = [];
$this->con->beginTransaction();
try {
$this->validateRequest($scheduledItems, true, true);
$scheduledIds = [];
foreach ($scheduledItems as $item) {
$scheduledIds[] = $item['id'];
}
$removedItems = CcScheduleQuery::create()->findPks($scheduledIds);
// This array is used to keep track of every show instance that was
// effected by the track deletion. It will be used later on to
// remove gaps in the schedule and adjust crossfade times.
$effectedInstanceIds = [];
foreach ($removedItems as $removedItem) {
$instance = $removedItem->getCcShowInstances($this->con);
$effectedInstanceIds[$instance->getDbId()] = $instance->getDbId();
// check if instance is linked and if so get the schedule items
// for all linked instances so we can delete them too
if (!$cancelShow && $instance->getCcShow()->isLinked()) {
// returns all linked instances if linked
$ccShowInstances = $this->getInstances($instance->getDbId());
$instanceIds = [];
foreach ($ccShowInstances as $ccShowInstance) {
$instanceIds[] = $ccShowInstance->getDbId();
}
$effectedInstanceIds = array_merge($effectedInstanceIds, $instanceIds);
// Delete the same track, represented by $removedItem, in
// each linked show instance.
$itemsToDelete = CcScheduleQuery::create()
->filterByDbPosition($removedItem->getDbPosition())
->filterByDbInstanceId($instanceIds, Criteria::IN)
->filterByDbId($removedItem->getDbId(), Criteria::NOT_EQUAL)
->delete($this->con);
}
// check to truncate the currently playing item instead of deleting it.
if ($removedItem->isCurrentItem($this->epochNow)) {
$nEpoch = $this->epochNow;
$sEpoch = $removedItem->getDbStarts('U.u');
$length = bcsub($nEpoch, $sEpoch, 6);
$cliplength = Application_Common_DateHelper::secondsToPlaylistTime($length);
$cueinSec = Application_Common_DateHelper::playlistTimeToSeconds($removedItem->getDbCueIn());
$cueOutSec = bcadd($cueinSec, $length, 6);
$cueout = Application_Common_DateHelper::secondsToPlaylistTime($cueOutSec);
// Set DbEnds - 1 second because otherwise there can be a timing issue
// when sending the new schedule to Pypo where Pypo thinks the track is still
// playing.
$removedItem->setDbCueOut($cueout)
->setDbClipLength($cliplength)
->setDbEnds($this->nowDT)
->save($this->con);
} else {
$removedItem->delete($this->con);
}
}
Application_Model_StoredFile::updatePastFilesIsScheduled();
if ($adjustSched === true) {
foreach ($effectedInstanceIds as $instance) {
$this->removeGaps($instance);
$this->calculateCrossfades($instance);
}
}
// update the status flag in cc_schedule.
$instances = CcShowInstancesQuery::create()
->filterByPrimaryKeys($effectedInstanceIds)
->find($this->con);
foreach ($instances as $instance) {
$instance->updateScheduleStatus($this->con);
$instance->correctSchedulePositions();
}
// update the last scheduled timestamp.
CcShowInstancesQuery::create()
->filterByPrimaryKeys($showInstances)
->update(['DbLastScheduled' => new DateTime('now', new DateTimeZone('UTC'))], $this->con);
$this->con->commit();
Application_Model_RabbitMq::PushSchedule();
} catch (Exception $e) {
$this->con->rollback();
throw $e;
}
}
// This is used to determine the duration of a files array
public function timeLengthOfFiles($files)
{
$timeLength = 0;
foreach ($files as $file) {
$timeLength += Application_Common_DateHelper::playlistTimeToSeconds($file['cliplength']);
$timeLength += $file['fadein'];
$timeLength += $file['fadeout'];
}
return $timeLength;
}
/*
* Used for cancelling the current show instance.
*
* @param $p_id id of the show instance to cancel.
*/
public function cancelShow($p_id)
{
$this->con->beginTransaction();
try {
$instance = CcShowInstancesQuery::create()->findPK($p_id);
if (!$instance->getDbRecord()) {
$items = CcScheduleQuery::create()
->filterByDbInstanceId($p_id)
->filterByDbEnds($this->nowDT, Criteria::GREATER_THAN)
->find($this->con);
if (count($items) > 0) {
$remove = [];
$ts = $this->nowDT->format('U');
for ($i = 0; $i < count($items); ++$i) {
$remove[$i]['instance'] = $p_id;
$remove[$i]['timestamp'] = $ts;
$remove[$i]['id'] = $items[$i]->getDbId();
}
$this->removeItems($remove, false, true);
}
} else {
$rebroadcasts = $instance->getCcShowInstancessRelatedByDbId(null, $this->con);
$rebroadcasts->delete($this->con);
}
$instance->setDbEnds($this->nowDT);
$instance->save($this->con);
$this->con->commit();
if ($instance->getDbRecord()) {
Application_Model_RabbitMq::SendMessageToShowRecorder('cancel_recording');
}
} catch (Exception $e) {
$this->con->rollback();
throw $e;
}
}
}
class OutDatedScheduleException extends Exception
{
}