<?php
require_once("StoredFile.php");
require_once("BasicStor.php");
class ScheduleGroup {
private $groupId;
public function __construct($p_groupId = null) {
$this->groupId = $p_groupId;
}
/**
* Convert a date to an ID by stripping out all characters
* and padding with zeros.
*
* @param string $p_dateStr
*/
public static function dateToId($p_dateStr) {
$p_dateStr = str_replace(":", "", $p_dateStr);
$p_dateStr = str_replace(" ", "", $p_dateStr);
$p_dateStr = str_replace(".", "", $p_dateStr);
$p_dateStr = str_replace("-", "", $p_dateStr);
$p_dateStr = substr($p_dateStr, 0, 17);
$p_dateStr = str_pad($p_dateStr, 17, "0");
return $p_dateStr;
}
/**
* Add the two times together, return the result.
*
* @param string $p_baseTime
* Specified as YYYY-MM-DD HH:MM:SS
*
* @param string $p_addTime
* Specified as HH:MM:SS.nnnnnn
*
* @return string
* The end time, to the nearest second.
*/
// protected function calculateEndTime($p_startTime, $p_trackTime) {
// $p_trackTime = substr($p_startTime, 0, );
// $start = new DateTime();
// $interval = new DateInterval()
//
// }
/**
* Add a music clip or playlist to the schedule.
*
* @param $p_datetime
* In the format YYYY-MM-DD HH:MM:SS.mmmmmm
* @param $p_audioFileId
* (optional, either this or $p_playlistId must be set) DB ID of the audio file
* @param $p_playlistId
* (optional, either this of $p_audioFileId must be set) DB ID of the playlist
* @param $p_options
* Does nothing at the moment.
*
* @return int|PEAR_Error
* Return PEAR_Error if the item could not be added.
* Error code 555 is a scheduling conflict.
*/
public function add($p_datetime, $p_audioFileId = null, $p_playlistId = null, $p_options = null) {
global $CC_CONFIG, $CC_DBC;
if (!is_null($p_audioFileId)) {
// Schedule a single audio track
// Load existing track
$track = StoredFile::Recall($p_audioFileId);
if (is_null($track)) {
return new PEAR_Error("Could not find audio track.");
}
// Check if there are any conflicts with existing entries
$metadata = $track->getMetadata();
$length = trim($metadata["length"]);
if (empty($length)) {
return new PEAR_Error("Length is empty.");
}
if (!Schedule::isScheduleEmptyInRange($p_datetime, $length)) {
return new PEAR_Error("Schedule conflict.", 555);
}
// Insert into the table
$this->groupId = $CC_DBC->GetOne("SELECT nextval('schedule_group_id_seq')");
$id = $this->dateToId($p_datetime);
$sql = "INSERT INTO ".$CC_CONFIG["scheduleTable"]
." (id, playlist_id, starts, ends, clip_length, group_id, file_id)"
." VALUES ($id, 0, TIMESTAMP '$p_datetime', "
." (TIMESTAMP '$p_datetime' + INTERVAL '$length'),"
." '$length',"
." {$this->groupId}, $p_audioFileId)";
$result = $CC_DBC->query($sql);
if (PEAR::isError($result)) {
var_dump($sql);
return $result;
}
return $this->groupId;
} elseif (!is_null($p_playlistId)){
// Schedule a whole playlist
// Load existing playlist
$playlist = Playlist::Recall($p_playlistId);
if (is_null($playlist)) {
return new PEAR_Error("Could not find playlist.");
}
// Check if there are any conflicts with existing entries
$length = trim($playlist->getLength());
if (empty($length)) {
return new PEAR_Error("Length is empty.");
}
if (!Schedule::isScheduleEmptyInRange($p_datetime, $length)) {
return new PEAR_Error("Schedule conflict.", 555);
}
// Insert all items into the schedule
$this->groupId = $CC_DBC->GetOne("SELECT nextval('schedule_group_id_seq')");
$id = $this->dateToId($p_datetime);
$itemStartTime = $p_datetime;
$plItems = $playlist->getContents();
foreach ($plItems as $row) {
$trackLength = $row["cliplength"];
$sql = "INSERT INTO ".$CC_CONFIG["scheduleTable"]
." (id, playlist_id, starts, ends, group_id, file_id,"
." clip_length, cue_in, cue_out, fade_in, fade_out)"
." VALUES ($id, $p_playlistId, TIMESTAMP '$itemStartTime', "
." (TIMESTAMP '$itemStartTime' + INTERVAL '$trackLength'),"
." '{$this->groupId}', '{$row['file_id']}', '$trackLength', '{$row['cuein']}',"
." '{$row['cueout']}', '{$row['fadein']}','{$row['fadeout']}')";
$result = $CC_DBC->query($sql);
if (PEAR::isError($result)) {
var_dump($sql);
return $result;
}
$itemStartTime = $CC_DBC->getOne("SELECT TIMESTAMP '$itemStartTime' + INTERVAL '$trackLength'");
$id = $this->dateToId($itemStartTime);
}
return $this->groupId;
}
}
public function addAfter($p_groupId, $p_audioFileId) {
global $CC_CONFIG, $CC_DBC;
// Get the end time for the given entry
$sql = "SELECT ends FROM ".$CC_CONFIG["scheduleTable"]
." WHERE group_id=$p_groupId";
$startTime = $CC_DBC->GetOne($sql);
return $this->add($startTime, $p_audioFileId);
}
public function update() {
}
/**
* Remove the group from the schedule.
* Note: does not check if it is in the past, you can remove anything.
*
* @return boolean
* TRUE on success, false if there is no group ID defined.
*/
public function remove() {
global $CC_CONFIG, $CC_DBC;
if (is_null($this->groupId) || !is_numeric($this->groupId)) {
return false;
}
$sql = "DELETE FROM ".$CC_CONFIG["scheduleTable"]
." WHERE group_id = ".$this->groupId;
return $CC_DBC->query($sql);
}
/**
* Return the number of items in this group.
* @return string
*/
public function count() {
global $CC_CONFIG, $CC_DBC;
$sql = "SELECT COUNT(*) FROM {$CC_CONFIG['scheduleTable']}"
." WHERE group_id={$this->groupId}";
return $CC_DBC->GetOne($sql);
}
/*
* Return the list of items in this group as a 2D array.
* @return array
*/
public function getItems() {
global $CC_CONFIG, $CC_DBC;
$sql = "SELECT * FROM {$CC_CONFIG['scheduleTable']}"
." WHERE group_id={$this->groupId}";
return $CC_DBC->GetAll($sql);
}
public function reschedule($toDateTime) {
global $CC_CONFIG, $CC_DBC;
// $sql = "UPDATE ".$CC_CONFIG["scheduleTable"]. " SET id=, starts=,ends="
}
}
class Schedule {
function __construct() {
}
/**
* Return true if there is nothing in the schedule for the given times.
*
* @param string $p_datetime
* @param string $p_length
*
* @return boolean|PEAR_Error
*/
public static function isScheduleEmptyInRange($p_datetime, $p_length) {
global $CC_CONFIG, $CC_DBC;
if (empty($p_length)) {
return new PEAR_Error("Schedule::isSchedulerEmptyInRange: param p_length is empty.");
}
$sql = "SELECT COUNT(*) FROM ".$CC_CONFIG["scheduleTable"]
." WHERE (starts >= '$p_datetime') "
." AND (ends <= (TIMESTAMP '$p_datetime' + INTERVAL '$p_length'))";
//$_SESSION["debug"] = $sql;
$count = $CC_DBC->GetOne($sql);
return ($count == '0');
}
public function onAddTrackToPlaylist($playlistId, $audioTrackId) {
}
public function onRemoveTrackFromPlaylist($playlistId, $audioTrackId) {
}
/**
* Returns array indexed numberically of:
* "playlistId"/"playlist_id" (aliases to the same thing)
* "start"/"starts" (aliases to the same thing) as YYYY-MM-DD HH:MM:SS.nnnnnn
* "end"/"ends" (aliases to the same thing) as YYYY-MM-DD HH:MM:SS.nnnnnn
* "group_id"/"id" (aliases to the same thing)
* "clip_length" (for playlists only, this is the length of the entire playlist)
* "name" (playlist only)
* "creator" (playlist only)
* "file_id" (audioclip only)
* "count" (number of items in the playlist, always 1 for audioclips.
* Note that playlists with one item will also have count = 1.
*
* @param string $p_fromDateTime
* In the format YYYY-MM-DD HH:MM:SS.nnnnnn
* @param string $p_toDateTime
* In the format YYYY-MM-DD HH:MM:SS.nnnnnn
* @param boolean $p_playlistsOnly
* Retreive playlists as a single item.
* @return array
* Returns empty array if nothing found
*/
public static function GetItems($p_fromDateTime, $p_toDateTime, $p_playlistsOnly = true) {
global $CC_CONFIG, $CC_DBC;
$rows = array();
if (!$p_playlistsOnly) {
$sql = "SELECT * FROM ".$CC_CONFIG["scheduleTable"]
." WHERE (starts >= TIMESTAMP '$p_fromDateTime') "
." AND (ends <= TIMESTAMP '$p_toDateTime')";
$rows = $CC_DBC->GetAll($sql);
foreach ($rows as &$row) {
$row["count"] = "1";
$row["playlistId"] = $row["playlist_id"];
$row["start"] = $row["starts"];
$row["end"] = $row["ends"];
$row["id"] = $row["group_id"];
}
} else {
$sql = "SELECT MIN(name) AS name, MIN(creator) AS creator, group_id, "
." SUM(clip_length) AS clip_length,"
." MIN(file_id) AS file_id, COUNT(*) as count,"
." MIN(playlist_id) AS playlist_id, MIN(starts) AS starts, MAX(ends) AS ends"
." FROM ".$CC_CONFIG["scheduleTable"]
." LEFT JOIN ".$CC_CONFIG["playListTable"]." ON playlist_id = ".$CC_CONFIG["playListTable"].".id"
." WHERE (starts >= TIMESTAMP '$p_fromDateTime') AND (ends <= TIMESTAMP '$p_toDateTime')"
." GROUP BY group_id"
." ORDER BY starts";
//var_dump($sql);
$rows = $CC_DBC->GetAll($sql);
if (!PEAR::isError($rows)) {
foreach ($rows as &$row) {
$row["playlistId"] = $row["playlist_id"];
$row["start"] = $row["starts"];
$row["end"] = $row["ends"];
$row["id"] = $row["group_id"];
}
}
}
return $rows;
}
public function getSchedulerTime() {
}
public function getCurrentlyPlaying() {
}
public function getNextItem($nextCount = 1) {
}
public function getStatus() {
}
private static function CcTimeToPypoTime($p_time) {
$p_time = substr($p_time, 0, 19);
$p_time = str_replace(" ", "-", $p_time);
$p_time = str_replace(":", "-", $p_time);
return $p_time;
}
private static function PypoTimeToCcTime($p_time) {
$t = explode("-", $p_time);
return $t[0]."-".$t[1]."-".$t[2]." ".$t[3].":".$t[4].":00";
}
/**
* Export the schedule in json formatted for pypo (the liquidsoap scheduler)
*
* @param string $range
* In the format "YYYY-MM-DD HH:mm:ss"
* @param string $source
* In the format "YYYY-MM-DD HH:mm:ss"
*/
public static function ExportRangeAsJson($p_fromDateTime, $p_toDateTime)
{
global $CC_CONFIG, $CC_DBC;
$range_start = Schedule::PypoTimeToCcTime($p_fromDateTime);
$range_end = Schedule::PypoTimeToCcTime($p_toDateTime);
$range_dt = array('start' => $range_start, 'end' => $range_end);
//var_dump($range_dt);
// Scheduler wants everything in a playlist
$data = Schedule::GetItems($range_start, $range_end, true);
//echo "<pre>";var_dump($data);
$playlists = array();
if (is_array($data) && count($data) > 0)
{
foreach ($data as $dx)
{
// Is this the first item in the playlist?
$start = $dx['start'];
// chop off subseconds
$start = substr($start, 0, 19);
// Start time is the array key, needs to be in the format "YYYY-MM-DD-HH-mm-ss"
$pkey = Schedule::CcTimeToPypoTime($start);
$timestamp = strtotime($start);
$playlists[$pkey]['source'] = "PLAYLIST";
$playlists[$pkey]['x_ident'] = $dx["playlist_id"];
$playlists[$pkey]['subtype'] = '1'; // Just needs to be between 1 and 4 inclusive
$playlists[$pkey]['timestamp'] = $timestamp;
$playlists[$pkey]['duration'] = $dx['clip_length'];
$playlists[$pkey]['played'] = '0';
$playlists[$pkey]['schedule_id'] = $dx['group_id'];
}
}
foreach ($playlists as &$playlist)
{
$scheduleGroup = new ScheduleGroup($playlist["schedule_id"]);
$items = $scheduleGroup->getItems();
$medias = array();
$playlist['subtype'] = '1';
foreach ($items as $item)
{
$storedFile = StoredFile::Recall($item["file_id"]);
$uri = $storedFile->getFileUrl();
$medias[] = array(
'id' => $item["file_id"],
'uri' => $uri,
'fade_in' => $item["fade_in"],
'fade_out' => $item["fade_out"],
'fade_cross' => 0,
'cue_in' => $item["cue_in"],
'cue_out' => $item["cue_out"],
);
}
$playlist['medias'] = $medias;
}
$result = array();
$result['status'] = array('range' => $range_dt, 'version' => 0.2);
$result['playlists'] = $playlists;
$result['check'] = 1;
print json_encode($result);
}
}
?>