libretime/airtime_mvc/application/models/Playlist.php

1161 lines
40 KiB
PHP

<?php
require_once 'formatters/LengthFormatter.php';
/**
*
* @package Airtime
* @copyright 2010 Sourcefabric O.P.S.
* @license http://www.gnu.org/licenses/gpl.txt
*/
class Application_Model_Playlist implements Application_Model_LibraryEditable
{
const CUE_ALL_ERROR = 0;
const CUE_IN_ERROR = 1;
const CUE_OUT_ERROR = 2;
/**
* propel connection object.
*/
private $con;
/**
* unique id for the playlist.
*/
private $id;
/**
* propel object for this playlist.
*/
private $pl;
/**
* info needed to insert a new playlist element.
*/
private $plItem = array(
"id" => "",
"pos" => "",
"cliplength" => "",
"cuein" => "00:00:00",
"cueout" => "00:00:00",
"fadein" => "0.0",
"fadeout" => "0.0",
"crossfadeDuration" => 0
);
//using propel's phpNames.
private $categories = array(
"dc:title" => "Name",
"dc:creator" => "Creator",
"dc:description" => "Description",
"dcterms:extent" => "Length"
);
public function __construct($id=null, $con=null)
{
if (isset($id)) {
$this->pl = CcPlaylistQuery::create()->findPK($id);
if (is_null($this->pl)) {
throw new PlaylistNotFoundException();
}
} else {
$this->pl = new CcPlaylist();
$this->pl->setDbUTime(new DateTime("now", new DateTimeZone("UTC")));
$this->pl->save();
}
$this->plItem["fadein"] = Application_Model_Preference::GetDefaultFadeIn();
$this->plItem["fadeout"] = Application_Model_Preference::GetDefaultFadeOut();
$this->plItem["crossfadeDuration"] = Application_Model_Preference::GetDefaultCrossfadeDuration();
$this->con = isset($con) ? $con : Propel::getConnection(CcPlaylistPeer::DATABASE_NAME);
$this->id = $this->pl->getDbId();
}
/**
* Return local ID of virtual file.
*
* @return int
*/
public function getId()
{
return $this->id;
}
/**
* Rename stored virtual playlist
*
* @param string $p_newname
*/
public function setName($p_newname)
{
$this->pl->setDbName($p_newname);
$this->pl->setDbMtime(new DateTime("now", new DateTimeZone("UTC")));
$this->pl->save($this->con);
}
/**
* Get mnemonic playlist name
*
* @return string
*/
public function getName()
{
return $this->pl->getDbName();
}
public function setDescription($p_description)
{
$this->pl->setDbDescription($p_description);
$this->pl->setDbMtime(new DateTime("now", new DateTimeZone("UTC")));
$this->pl->save($this->con);
}
public function getDescription()
{
return $this->pl->getDbDescription();
}
public function getCreator()
{
return $this->pl->getCcSubjs()->getDbLogin();
}
public function getCreatorId()
{
return $this->pl->getCcSubjs()->getDbId();
}
public function setCreator($p_id)
{
$this->pl->setDbCreatorId($p_id);
$this->pl->setDbMtime(new DateTime("now", new DateTimeZone("UTC")));
$this->pl->save($this->con);
}
public function getLastModified($format = null)
{
//Logging::info($this->pl->getDbMtime($format));
//Logging::info($this->pl);
return $this->pl->getDbMtime($format);
}
public function getSize()
{
return $this->pl->countCcPlaylistcontentss();
}
/**
* Get the entire playlist as a two dimentional array, sorted in order of play.
* @param boolean $filterFiles if this is true, it will only return files that has
* file_exists flag set to true
* @return array
*/
public function getContents($filterFiles=false)
{
$sql = <<<SQL
SELECT *
FROM (
(SELECT pc.id AS id,
pc.type,
pc.position,
pc.cliplength AS LENGTH,
pc.cuein,
pc.cueout,
pc.fadein,
pc.fadeout,
pc.trackoffset,
f.id AS item_id,
f.track_title,
f.artist_name AS creator,
f.file_exists AS EXISTS,
f.filepath AS path,
f.length AS orig_length,
f.mime AS mime
FROM cc_playlistcontents AS pc
JOIN cc_files AS f ON pc.file_id=f.id
WHERE pc.playlist_id = :playlist_id1
SQL;
if ($filterFiles) {
$sql .= <<<SQL
AND f.file_exists = :file_exists
SQL;
}
$sql .= <<<SQL
AND TYPE = 0)
UNION ALL
(SELECT pc.id AS id,
pc.TYPE, pc.position,
pc.cliplength AS LENGTH,
pc.cuein,
pc.cueout,
pc.fadein,
pc.fadeout,
pc.trackoffset,
ws.id AS item_id,
(ws.name || ': ' || ws.url) AS title,
sub.login AS creator,
't'::boolean AS EXISTS,
ws.url AS path,
ws.length AS orig_length,
ws.mime as mime
FROM cc_playlistcontents AS pc
JOIN cc_webstream AS ws ON pc.stream_id=ws.id
LEFT JOIN cc_subjs AS sub ON sub.id = ws.creator_id
WHERE pc.playlist_id = :playlist_id2
AND pc.TYPE = 1)
UNION ALL
(SELECT pc.id AS id,
pc.TYPE, pc.position,
pc.cliplength AS LENGTH,
pc.cuein,
pc.cueout,
pc.fadein,
pc.fadeout,
pc.trackoffset,
bl.id AS item_id,
bl.name AS title,
sbj.login AS creator,
't'::boolean AS EXISTS,
NULL::text AS path,
bl.length AS orig_length,
NULL::text as mime
FROM cc_playlistcontents AS pc
JOIN cc_block AS bl ON pc.block_id=bl.id
JOIN cc_subjs AS sbj ON bl.creator_id=sbj.id
WHERE pc.playlist_id = :playlist_id3
AND pc.TYPE = 2)) AS temp
ORDER BY temp.position;
SQL;
//Logging::info($sql);
$params = array(
':playlist_id1'=>$this->id, ':playlist_id2'=>$this->id, ':playlist_id3'=>$this->id);
if ($filterFiles) {
$params[':file_exists'] = $filterFiles;
}
$rows = Application_Common_Database::prepareAndExecute($sql, $params);
$offset = 0;
foreach ($rows as &$row) {
//Logging::info($row);
$clipSec = Application_Common_DateHelper::playlistTimeToSeconds($row['length']);
$row['trackSec'] = $clipSec;
$row['cueInSec'] = Application_Common_DateHelper::playlistTimeToSeconds($row['cuein']);
$row['cueOutSec'] = Application_Common_DateHelper::playlistTimeToSeconds($row['cueout']);
$trackoffset = $row['trackoffset'];
$offset += $clipSec;
$offset -= $trackoffset;
$offset_cliplength = Application_Common_DateHelper::secondsToPlaylistTime($offset);
//format the length for UI.
if ($row['type'] == 2) {
$bl = new Application_Model_Block($row['item_id']);
$formatter = new LengthFormatter($bl->getLength());
} else {
$formatter = new LengthFormatter($row['length']);
}
$row['length'] = $formatter->format();
$formatter = new LengthFormatter($offset_cliplength);
$row['offset'] = $formatter->format();
//format the fades in format 00(.000000)
$fades = $this->getFadeInfo($row['position']);
$row['fadein'] = $fades[0];
$row['fadeout'] = $fades[1];
// format the cues in format 00:00:00(.0)
// we need to add the '.0' for cues and not fades
// because propel takes care of this for us
// (we use propel to fetch the fades)
$row['cuein'] = str_pad(substr($row['cuein'], 0, 10), 10, '.0');
$row['cueout'] = str_pad(substr($row['cueout'], 0, 10), 10, '.0');
//format original length
$formatter = new LengthFormatter($row['orig_length']);
$row['orig_length'] = $formatter->format();
// XSS exploit prevention
$row["track_title"] = htmlspecialchars($row["track_title"]);
$row["creator"] = htmlspecialchars($row["creator"]);
}
return $rows;
}
/**
* The database stores fades in 00:00:00 Time format with optional millisecond resolution .000000
* but this isn't practical since fades shouldn't be very long usuall 1 second or less. This function
* will normalize the fade so that it looks like 00.000000 to the user.
**/
public function normalizeFade($fade)
{
//First get rid of the first six characters 00:00: which will be added back later for db update
$fade = substr($fade, 6);
//Second add .000000 if the fade does't have milliseconds format already
$dbFadeStrPos = strpos( $fade, '.' );
if ($dbFadeStrPos === false) {
$fade .= '.000000';
} else {
while (strlen($fade) < 9) {
$fade .= '0';
}
}
//done, just need to set back the formated values
return $fade;
}
// returns true/false and ids of dynamic blocks
public function hasDynamicBlock()
{
$ids = $this->getIdsOfDynamicBlocks();
if (count($ids) > 0) {
return true;
} else {
return false;
}
}
public function getIdsOfDynamicBlocks()
{
$sql = "SELECT bl.id FROM cc_playlistcontents as pc
JOIN cc_block as bl ON pc.type=2 AND pc.block_id=bl.id AND bl.type='dynamic'
WHERE playlist_id=:playlist_id AND pc.type=2";
$result = Application_Common_Database::prepareAndExecute($sql, array(':playlist_id'=>$this->id));
return $result;
}
//aggregate column on playlistcontents cliplength column.
public function getLength()
{
if ($this->hasDynamicBlock()) {
$ids = $this->getIdsOfDynamicBlocks();
$length = $this->pl->getDbLength();
foreach ($ids as $id) {
$bl = new Application_Model_Block($id['id']);
if ($bl->hasItemLimit()) {
return "N/A";
}
}
$formatter = new LengthFormatter($length);
return "~".$formatter->format();
} else {
return $this->pl->getDbLength();
}
}
private function insertPlaylistElement($info)
{
$row = new CcPlaylistcontents();
$row->setDbPlaylistId($this->id);
$row->setDbPosition($info["pos"]);
$row->setDbCliplength($info["cliplength"]);
$row->setDbCuein($info["cuein"]);
$row->setDbCueout($info["cueout"]);
$row->setDbFadein(Application_Common_DateHelper::secondsToPlaylistTime($info["fadein"]));
$row->setDbFadeout(Application_Common_DateHelper::secondsToPlaylistTime($info["fadeout"]));
if ($info["ftype"] == "audioclip") {
$row->setDbFileId($info["id"]);
$row->setDbTrackOffset($info["crossfadeDuration"]);
$type = 0;
} elseif ($info["ftype"] == "stream") {
$row->setDbStreamId($info["id"]);
$type = 1;
} elseif ($info["ftype"] == "block") {
$row->setDbBlockId($info["id"]);
$type = 2;
}
$row->setDbType($type);
$row->save($this->con);
// above save result update on cc_playlist table on length column.
// but $this->pl doesn't get updated automatically
// so we need to manually grab it again from DB so it has updated values
// It is something to do FORMAT_ON_DEMAND( Lazy Loading )
$this->pl = CcPlaylistQuery::create()->findPK($this->id);
}
/*
*
*/
private function buildEntry($p_item, $pos)
{
$objType = $p_item[1];
$objId = $p_item[0];
if ($objType == 'audioclip') {
$obj = CcFilesQuery::create()->findPK($objId, $this->con);
} elseif ($objType == "stream") {
$obj = CcWebstreamQuery::create()->findPK($objId, $this->con);
} elseif ($objType == "block") {
$obj = CcBlockQuery::create()->findPK($objId, $this->con);
} else {
throw new Exception("Unknown file type");
}
if (isset($obj)) {
if (($obj instanceof CcFiles && $obj->visible())
|| $obj instanceof CcWebstream ||
$obj instanceof CcBlock) {
$entry = $this->plItem;
$entry["id"] = $obj->getDbId();
$entry["pos"] = $pos;
$entry["cliplength"] = $obj->getDbLength();
if ($obj instanceof CcFiles && $obj) {
$entry["cuein"] = isset($p_item['cuein']) ?
$p_item['cuein'] : $obj->getDbCuein();
$entry["cueout"] = isset($p_item['cueout']) ?
$p_item['cueout'] : $obj->getDbCueout();
$cue_in = isset($p_item['cueInSec']) ?
$p_item['cueInSec'] : Application_Common_DateHelper::calculateLengthInSeconds($entry['cuein']);
$cue_out = isset($p_item['cueOutSec']) ?
$p_item['cueOutSec'] : Application_Common_DateHelper::calculateLengthInSeconds($entry['cueout']);
$entry["cliplength"] = isset($p_item['length']) ?
$p_item['length'] : Application_Common_DateHelper::secondsToPlaylistTime($cue_out-$cue_in);
}
elseif ($obj instanceof CcWebstream && $obj) {
$entry["cuein"] = "00:00:00";
$entry["cueout"] = $entry["cliplength"];
}
$entry["ftype"] = $objType;
$entry["fadein"] = isset($p_item['fadein']) ?
$p_item['fadein'] : $entry["fadein"];
$entry["fadeout"] = isset($p_item['fadeout']) ?
$p_item['fadeout'] : $entry["fadeout"];
}
return $entry;
}
else {
throw new Exception("trying to add a object that does not exist.");
}
}
/*
* @param array $p_items
* an array of audioclips to add to the playlist
* @param int|null $p_afterItem
* item which to add the new items after in the playlist, null if added to the end.
* @param string (before|after) $addAfter
* whether to add the clips before or after the selected item.
*/
public function addAudioClips($p_items, $p_afterItem=null, $addType = 'after')
{
$this->con->beginTransaction();
$contentsToUpdate = array();
try {
if (is_numeric($p_afterItem)) {
$afterItem = CcPlaylistcontentsQuery::create()->findPK($p_afterItem);
$index = $afterItem->getDbPosition();
$pos = ($addType == 'after') ? $index + 1 : $index;
$contentsToUpdate = CcPlaylistcontentsQuery::create()
->filterByDbPlaylistId($this->id)
->filterByDbPosition($pos, Criteria::GREATER_EQUAL)
->orderByDbPosition()
->find($this->con);
} else {
//add to the end of the playlist
if ($addType == 'after') {
$pos = $this->getSize();
}
//add to the beginning of the playlist.
else {
$pos = 0;
$contentsToUpdate = CcPlaylistcontentsQuery::create()
->filterByDbPlaylistId($this->id)
->orderByDbPosition()
->find($this->con);
}
$contentsToUpdate = CcPlaylistcontentsQuery::create()
->filterByDbPlaylistId($this->id)
->filterByDbPosition($pos, Criteria::GREATER_EQUAL)
->orderByDbPosition()
->find($this->con);
}
foreach ($p_items as $ac) {
$res = $this->insertPlaylistElement($this->buildEntry($ac, $pos));
// update is_playlist flag in cc_files to indicate the
// file belongs to a playlist or block (in this case a playlist)
if ($ac[1] == "audioclip") {
$db_file = CcFilesQuery::create()->findPk($ac[0], $this->con);
$db_file->setDbIsPlaylist(true)->save($this->con);
}
$pos = $pos + 1;
}
//reset the positions of the remaining items.
for ($i = 0; $i < count($contentsToUpdate); $i++) {
$contentsToUpdate[$i]->setDbPosition($pos);
$contentsToUpdate[$i]->save($this->con);
$pos = $pos + 1;
}
$this->pl->setDbMtime(new DateTime("now", new DateTimeZone("UTC")));
$this->pl->save($this->con);
$this->con->commit();
} catch (Exception $e) {
$this->con->rollback();
throw $e;
}
}
/**
* Move audioClip to the new position in the playlist
*
* @param array $p_items
* array of unique ids of the selected items
* @param int $p_afterItem
* unique id of the item to move the clip after
*/
public function moveAudioClips($p_items, $p_afterItem=NULL)
{
$this->con->beginTransaction();
try {
$contentsToMove = CcPlaylistcontentsQuery::create()
->filterByDbId($p_items, Criteria::IN)
->orderByDbPosition()
->find($this->con);
$otherContent = CcPlaylistcontentsQuery::create()
->filterByDbId($p_items, Criteria::NOT_IN)
->filterByDbPlaylistId($this->id)
->orderByDbPosition()
->find($this->con);
$pos = 0;
//moving items to beginning of the playlist.
if (is_null($p_afterItem)) {
Logging::info("moving items to beginning of playlist");
foreach ($contentsToMove as $item) {
Logging::info("item {$item->getDbId()} to pos {$pos}");
$item->setDbPosition($pos);
$item->save($this->con);
$pos = $pos + 1;
}
foreach ($otherContent as $item) {
Logging::info("item {$item->getDbId()} to pos {$pos}");
$item->setDbPosition($pos);
$item->save($this->con);
$pos = $pos + 1;
}
} else {
Logging::info("moving items after {$p_afterItem}");
foreach ($otherContent as $item) {
Logging::info("item {$item->getDbId()} to pos {$pos}");
$item->setDbPosition($pos);
$item->save($this->con);
$pos = $pos + 1;
if ($item->getDbId() == $p_afterItem) {
foreach ($contentsToMove as $move) {
Logging::info("item {$move->getDbId()} to pos {$pos}");
$move->setDbPosition($pos);
$move->save($this->con);
$pos = $pos + 1;
}
}
}
}
$this->con->commit();
} catch (Exception $e) {
$this->con->rollback();
throw $e;
}
$this->pl = CcPlaylistQuery::create()->findPK($this->id);
$this->pl->setDbMtime(new DateTime("now", new DateTimeZone("UTC")));
$this->pl->save($this->con);
}
/**
* Remove audioClip from playlist
*
* @param array $p_items
* array of unique item ids to remove from the playlist..
*/
public function delAudioClips($p_items)
{
$this->con->beginTransaction();
try {
// we need to get the file id of the item we are deleting
// before the item gets deleted from the playlist
$itemsToDelete = CcPlaylistcontentsQuery::create()
->filterByPrimaryKeys($p_items)
->filterByDbFileId(null, Criteria::NOT_EQUAL)
->find($this->con);
CcPlaylistcontentsQuery::create()
->findPKs($p_items)
->delete($this->con);
// now that the items have been deleted we can update the
// is_playlist flag in cc_files
Application_Model_StoredFile::setIsPlaylist($itemsToDelete, 'playlist', false);
$contents = CcPlaylistcontentsQuery::create()
->filterByDbPlaylistId($this->id)
->orderByDbPosition()
->find($this->con);
//reset the positions of the remaining items.
for ($i = 0; $i < count($contents); $i++) {
$contents[$i]->setDbPosition($i);
$contents[$i]->save($this->con);
}
$this->pl->setDbMtime(new DateTime("now", new DateTimeZone("UTC")));
$this->pl->save($this->con);
$this->con->commit();
} catch (Exception $e) {
$this->con->rollback();
throw $e;
}
}
public function getFadeInfo($pos)
{
$row = CcPlaylistcontentsQuery::create()
->joinWith(CcFilesPeer::OM_CLASS)
->filterByDbPlaylistId($this->id)
->filterByDbPosition($pos)
->findOne();
if (!$row) {
return NULL;
}
//Propel returns values in form 00.000000 format which is for only seconds.
//We only want to display 1 decimal
$fadeIn = substr($row->getDbFadein(), 0, 4);
$fadeOut = substr($row->getDbFadeout(), 0, 4);
return array($fadeIn, $fadeOut);
}
/*
* create a crossfade from item in cc_playlist_contents with $id1 to item $id2.
*
* $fadeOut length of fade out in seconds if $id1
* $fadeIn length of fade in in seconds of $id2
* $offset time in seconds from end of $id1 that $id2 will begin to play.
*/
public function createCrossfade($id1, $fadeOut, $id2, $fadeIn, $offset)
{
$this->con->beginTransaction();
if (!isset($offset)) {
$offset = Application_Model_Preference::GetDefaultCrossfadeDuration();
}
try {
if (isset($id1)) {
$this->changeFadeInfo($id1, null, $fadeOut);
}
if (isset($id2)) {
$this->changeFadeInfo($id2, $fadeIn, null, $offset);
}
$this->con->commit();
} catch (Exception $e) {
$this->con->rollback();
throw $e;
}
}
/**
* Change fadeIn and fadeOut values for playlist Element
*
* @param int $id
* id of audioclip in playlist contents table.
* @param string $fadeIn
* new value in ss.ssssss or extent format
* @param string $fadeOut
* new value in ss.ssssss or extent format
* @return boolean
*/
public function changeFadeInfo($id, $fadeIn, $fadeOut, $offset=null)
{
//See issue CC-2065, pad the fadeIn and fadeOut so that it is TIME compatable with the DB schema
//For the top level PlayList either fadeIn or fadeOut will sometimes be Null so need a gaurd against
//setting it to nonNull for checks down below
$fadeIn = $fadeIn?'00:00:'.$fadeIn:$fadeIn;
$fadeOut = $fadeOut?'00:00:'.$fadeOut:$fadeOut;
$this->con->beginTransaction();
try {
$row = CcPlaylistcontentsQuery::create()->findPK($id);
if (is_null($row)) {
throw new Exception("Playlist item does not exist.");
}
$clipLength = $row->getDbCliplength();
if (!is_null($fadeIn)) {
$sql = "SELECT :fadein::INTERVAL > INTERVAL '{$clipLength}'";
if (Application_Common_Database::prepareAndExecute($sql, array(':fadein'=>$fadeIn), 'column')) {
//"Fade In can't be larger than overall playlength.";
$fadeIn = $clipLength;
}
$row->setDbFadein($fadeIn);
if (!is_null($offset)) {
$row->setDbTrackOffset($offset);
$row->save($this->con);
}
}
if (!is_null($fadeOut)) {
$sql = "SELECT :fadeout::INTERVAL > INTERVAL '{$clipLength}'";
if (Application_Common_Database::prepareAndExecute($sql, array(':fadeout'=>$fadeOut), 'column')) {
//Fade Out can't be larger than overall playlength.";
$fadeOut = $clipLength;
}
$row->setDbFadeout($fadeOut);
}
$this->pl->setDbMtime(new DateTime("now", new DateTimeZone("UTC")));
$this->pl->save($this->con);
$this->con->commit();
} catch (Exception $e) {
$this->con->rollback();
throw $e;
}
return array("fadeIn" => $fadeIn, "fadeOut" => $fadeOut);
}
public function setfades($fadein, $fadeout)
{
if (isset($fadein)) {
Logging::info("Setting playlist fade in {$fadein}");
$row = CcPlaylistcontentsQuery::create()
->filterByDbPlaylistId($this->id)
->filterByDbPosition(0)
->findOne($this->con);
$this->changeFadeInfo($row->getDbId(), $fadein, null);
}
if (isset($fadeout)) {
Logging::info("Setting playlist fade out {$fadeout}");
$row = CcPlaylistcontentsQuery::create()
->filterByDbPlaylistId($this->id)
->filterByDbPosition($this->getSize()-1)
->findOne($this->con);
$this->changeFadeInfo($row->getDbId(), null, $fadeout);
}
}
/**
* Change cueIn/cueOut values for playlist element
*
* @param int $pos
* position of audioclip in playlist
* @param string $cueIn
* new value in ss.ssssss or extent format
* @param string $cueOut
* new value in ss.ssssss or extent format
* @return boolean or pear error object
*/
public function changeClipLength($id, $cueIn, $cueOut)
{
$this->con->beginTransaction();
$errArray= array();
try {
if (is_null($cueIn) && is_null($cueOut)) {
$errArray["error"] = _("Cue in and cue out are null.");
$errArray["type"] = self::CUE_ALL_ERROR;
return $errArray;
}
$row = CcPlaylistcontentsQuery::create()
->joinWith(CcFilesPeer::OM_CLASS)
->filterByPrimaryKey($id)
->findOne($this->con);
if (is_null($row)) {
throw new Exception("Playlist item does not exist.");
}
$oldCueIn = $row->getDBCuein();
$oldCueOut = $row->getDbCueout();
$fadeIn = $row->getDbFadein();
$fadeOut = $row->getDbFadeout();
$file = $row->getCcFiles($this->con);
$origLength = $file->getDbLength();
if (!is_null($cueIn) && !is_null($cueOut)) {
if ($cueOut === "") {
$cueOut = $origLength;
}
$sql = "SELECT :cueIn::INTERVAL > :cueOut::INTERVAL";
if (Application_Common_Database::prepareAndExecute($sql, array(':cueIn'=>$cueIn, ':cueOut'=>$cueOut), 'column')) {
$errArray["error"] = _("Can't set cue in to be larger than cue out.");
$errArray["type"] = self::CUE_IN_ERROR;
return $errArray;
}
$sql = "SELECT :cueOut::INTERVAL > :origLength::INTERVAL";
if (Application_Common_Database::prepareAndExecute($sql, array(':cueOut'=>$cueOut, ':origLength'=>$origLength), 'column')) {
$errArray["error"] = _("Can't set cue out to be greater than file length.");
$errArray["type"] = self::CUE_OUT_ERROR;
return $errArray;
}
$sql = "SELECT :cueOut::INTERVAL - :cueIn::INTERVAL";
$cliplength = Application_Common_Database::prepareAndExecute($sql, array(':cueOut'=>$cueOut, ':cueIn'=>$cueIn), 'column');
$row->setDbCuein($cueIn);
$row->setDbCueout($cueOut);
$row->setDBCliplength($cliplength);
} elseif (!is_null($cueIn)) {
$sql = "SELECT :cueIn::INTERVAL > :oldCueOut::INTERVAL";
if (Application_Common_Database::prepareAndExecute($sql, array(':cueIn'=>$cueIn, ':oldCueOut'=>$oldCueOut), 'column')) {
$errArray["error"] = _("Can't set cue in to be larger than cue out.");
$errArray["type"] = self::CUE_IN_ERROR;
return $errArray;
}
$sql = "SELECT :oldCueOut::INTERVAL - :cueIn::INTERVAL";
$cliplength = Application_Common_Database::prepareAndExecute($sql, array(':cueIn'=>$cueIn, ':oldCueOut'=>$oldCueOut), 'column');
$row->setDbCuein($cueIn);
$row->setDBCliplength($cliplength);
} elseif (!is_null($cueOut)) {
if ($cueOut === "") {
$cueOut = $origLength;
}
$sql = "SELECT :cueOut::INTERVAL < :oldCueIn::INTERVAL";
if (Application_Common_Database::prepareAndExecute($sql, array(':cueOut'=>$cueOut, ':oldCueIn'=>$oldCueIn), 'column')) {
$errArray["error"] = _("Can't set cue out to be smaller than cue in.");
$errArray["type"] = self::CUE_OUT_ERROR;
return $errArray;
}
$sql = "SELECT :cueOut::INTERVAL > :origLength::INTERVAL";
if (Application_Common_Database::prepareAndExecute($sql, array(':cueOut'=>$cueOut, ':origLength'=>$origLength), 'column')) {
$errArray["error"] = _("Can't set cue out to be greater than file length.");
$errArray["type"] = self::CUE_OUT_ERROR;
return $errArray;
}
$sql = "SELECT :cueOut::INTERVAL - :oldCueIn::INTERVAL";
$cliplength = Application_Common_Database::prepareAndExecute($sql, array(':cueOut'=>$cueOut, ':oldCueIn'=>$oldCueIn), 'column');
$row->setDbCueout($cueOut);
$row->setDBCliplength($cliplength);
}
$cliplength = $row->getDbCliplength();
$sql = "SELECT :fadeIn::INTERVAL > :cliplength::INTERVAL";
if (Application_Common_Database::prepareAndExecute($sql, array(':fadeIn'=>$fadeIn, ':cliplength'=>$cliplength), 'column')) {
$fadeIn = $cliplength;
$row->setDbFadein($fadeIn);
}
$sql = "SELECT :fadeOut::INTERVAL > :cliplength::INTERVAL";
if (Application_Common_Database::prepareAndExecute($sql, array(':fadeOut'=>$fadeOut, ':cliplength'=>$cliplength), 'column')) {
$fadeOut = $cliplength;
$row->setDbFadein($fadeOut);
}
$row->save($this->con);
$this->pl->setDbMtime(new DateTime("now", new DateTimeZone("UTC")));
$this->pl->save($this->con);
$this->con->commit();
} catch (Exception $e) {
$this->con->rollback();
throw $e;
}
return array("cliplength"=> $cliplength, "cueIn"=> $cueIn, "cueOut"=> $cueOut, "length"=> $this->getLength(),
"fadeIn"=> $fadeIn, "fadeOut"=> $fadeOut);
}
public function getAllPLMetaData()
{
$categories = $this->categories;
$md = array();
foreach ($categories as $key => $val) {
$method = 'get' . $val;
$md[$key] = $this->$method();
}
return $md;
}
public function getMetaData($category)
{
$cat = $this->categories[$category];
$method = 'get' . $cat;
return $this->$method();
}
public function setMetadata($category, $value)
{
$cat = $this->categories[$category];
$method = 'set' . $cat;
$this->$method($value);
}
public static function getPlaylistCount()
{
$sql = 'SELECT count(*) as cnt FROM cc_playlist';
return Application_Common_Database::prepareAndExecute($sql, array(),
Application_Common_Database::COLUMN);
}
/**
* Delete the file from all playlists.
* @param string $p_fileId
*/
public static function DeleteFileFromAllPlaylists($p_fileId)
{
CcPlaylistcontentsQuery::create()->filterByDbFileId($p_fileId)->delete();
}
/**
* Delete playlists that match the ids..
* @param array $p_ids
*/
public static function deletePlaylists($p_ids, $p_userId)
{
$userInfo = Zend_Auth::getInstance()->getStorage()->read();
$user = new Application_Model_User($userInfo->id);
$isAdminOrPM = $user->isUserType(array(UTYPE_ADMIN, UTYPE_PROGRAM_MANAGER));
// get only the files from the playlists
// we are about to delete
$itemsToDelete = CcPlaylistcontentsQuery::create()
->filterByDbPlaylistId($p_ids)
->filterByDbFileId(null, Criteria::NOT_EQUAL)
->find();
$updateIsPlaylistFlag = false;
if (!$isAdminOrPM) {
$leftOver = self::playlistsNotOwnedByUser($p_ids, $p_userId);
if (count($leftOver) == 0) {
CcPlaylistQuery::create()->findPKs($p_ids)->delete();
$updateIsPlaylistFlag = true;
} else {
throw new PlaylistNoPermissionException;
}
} else {
CcPlaylistQuery::create()->findPKs($p_ids)->delete();
$updateIsPlaylistFlag = true;
}
if ($updateIsPlaylistFlag) {
// update is_playlist flag in cc_files
Application_Model_StoredFile::setIsPlaylist(
$itemsToDelete,
'playlist',
false
);
}
}
// This function returns that are not owen by $p_user_id among $p_ids
private static function playlistsNotOwnedByUser($p_ids, $p_userId)
{
$ownedByUser = CcPlaylistQuery::create()->filterByDbCreatorId($p_userId)->find()->getData();
$selectedPls = $p_ids;
$ownedPls = array();
foreach ($ownedByUser as $pl) {
if (in_array($pl->getDbId(), $selectedPls)) {
$ownedPls[] = $pl->getDbId();
}
}
$leftOvers = array_diff($selectedPls, $ownedPls);
return $leftOvers;
}
/**
* Delete all files from playlist
* @param int $p_playlistId
*/
public function deleteAllFilesFromPlaylist()
{
// get only the files from the playlist
// we are about to clear out
$itemsToDelete = CcPlaylistcontentsQuery::create()
->filterByDbPlaylistId($this->id)
->filterByDbFileId(null, Criteria::NOT_EQUAL)
->find();
CcPlaylistcontentsQuery::create()->findByDbPlaylistId($this->id)->delete();
// update is_playlist flag in cc_files
Application_Model_StoredFile::setIsPlaylist(
$itemsToDelete,
'playlist',
false
);
$this->pl->setDbMtime(new DateTime("now", new DateTimeZone("UTC")));
$this->pl->save($this->con);
$this->con->commit();
}
public function shuffle()
{
$sql = <<<SQL
SELECT max(position) from cc_playlistcontents WHERE playlist_id=:p1
SQL;
$out = Application_Common_Database::prepareAndExecute($sql, array("p1"=>$this->id));
$maxPosition = $out[0]['max'];
$map = range(0, $maxPosition);
shuffle($map);
$currentPos = implode(',', array_keys($map));
$sql = "UPDATE cc_playlistcontents SET position = CASE position ";
foreach ($map as $current => $after) {
$sql .= sprintf("WHEN %d THEN %d ", $current, $after);
}
$sql .= "END WHERE position IN ($currentPos) and playlist_id=:p1";
Application_Common_Database::prepareAndExecute($sql, array("p1"=>$this->id));
return array('result' => 0);
}
public static function getAllPlaylistFiles()
{
$sql = <<<SQL
SELECT distinct(file_id)
FROM cc_playlistcontents
WHERE file_id is not null
SQL;
$files = Application_Common_Database::prepareAndExecute($sql);
$real_files = array();
foreach ($files as $f) {
$real_files[] = $f['file_id'];
}
return $real_files;
}
public static function getAllPlaylistStreams()
{
$sql = <<<SQL
SELECT distinct(stream_id)
FROM cc_playlistcontents
WHERE stream_id is not null
SQL;
$streams = Application_Common_Database::prepareAndExecute($sql);
$real_streams = array();
foreach ($streams as $s) {
$real_streams[] = $s['stream_id'];
}
return $real_streams;
}
/** Find out if a playlist contains any files that have been deleted from disk.
* This function relies on the "file_exists" column in the database being accurate and true,
* which it should.
* @return boolean true if there are missing files in this playlist, false otherwise.
*/
public function containsMissingFiles()
{
$playlistContents = $this->pl->getCcPlaylistcontentss("type = 0"); //type=0 is only files, not other types of media
//Slightly faster than the other Propel version below (this one does an INNER JOIN):
$missingFiles = CcFilesQuery::create()
->join("CcFiles.CcPlaylistcontents")
->where("CcPlaylistcontents.DbPlaylistId = ?", $this->pl->getDbId())
->where("CcFiles.DbFileExists = ?", 'false')
->find();
//Nicer Propel version but slightly slower because it generates a LEFT JOIN:
/*
$missingFiles = CcPlaylistcontentsQuery::create()
->filterByDbPlaylistId($this->pl->getDbId())
->useCcFilesQuery()
->filterByDbFileExists(false)
->endUse()
->find();
*/
if (!$missingFiles->isEmpty())
{
return true;
}
return false;
}
} // class Playlist
class PlaylistNotFoundException extends Exception {}
class PlaylistNoPermissionException extends Exception {}
class PlaylistOutDatedException extends Exception {}