sintonia/airtime_mvc/application/services/ShowInstanceService.php

493 lines
18 KiB
PHP

<?php
define("NO_REPEAT", -1);
define("REPEAT_WEEKLY", 0);
define("REPEAT_BI_WEEKLY", 1);
define("REPEAT_MONTHLY_MONTHLY", 2);
define("REPEAT_MONTHLY_WEEKLY", 3);
class Application_Service_ShowInstanceService
{
private $service_show;
private $service_showDays;
private $service_user;
public function __construct()
{
$this->service_show = new Application_Service_ShowService();
$this->service_user = new Application_Service_UserService();
}
/**
*
* Receives a cc_show id and determines whether to create a
* single show instance or repeating show instances
*/
public function delegateShowInstanceCreation($showId, $isRebroadcast)
{
$populateUntil = $this->service_show->getPopulateShowUntilDateTIme();
$this->service_showDays = new Application_Service_ShowDaysService($showId);
$showDays = $this->service_showDays->getShowDays();
foreach ($showDays as $day) {
switch ($day->getDbRepeatType()) {
case NO_REPEAT:
$this->createNonRepeatingShowInstance($day, $populateUntil, $isRebroadcast);
break;
case REPEAT_WEEKLY:
$this->createWeeklyRepeatingShowInstances($day, $populateUntil, "P7D", $isRebroadcast);
break;
case REPEAT_BI_WEEKLY:
$this->createWeeklyRepeatingShowInstances($day, $populateUntil, "P14D", $isRebroadcast);
break;
case REPEAT_MONTHLY_MONTHLY:
$this->createMonthlyRepeatingShowInstances($day, $populateUntil, "P1M", $isRebroadcast);
break;
case REPEAT_MONTHLY_WEEKLY:
// do something here
break;
}
}
Application_Model_RabbitMq::PushSchedule();
}
/**
*
* Sets a single cc_show_instance table row
* @param $showDay
* @param $populateUntil
*/
private function createNonRepeatingShowInstance($showDay, $populateUntil, $isRebroadcast)
{
$start = $showDay->getDbFirstShow()." ".$showDay->getDbStartTime();
list($utcStartDateTime, $utcEndDateTime) = $this->service_show->createUTCStartEndDateTime(
$start, $showDay->getDbDuration(), $showDay->getDbTimezone());
if ($utcStartDateTime->getTimestamp() < $populateUntil->getTimestamp()) {
$ccShowInstance = new CcShowInstances();
$ccShowInstance->setDbShowId($showDay->getDbShowId());
$ccShowInstance->setDbStarts($utcStartDateTime);
$ccShowInstance->setDbEnds($utcEndDateTime);
$ccShowInstance->setDbRecord($showDay->getDbRecord());
$ccShowInstance->save();
if ($isRebroadcast) {
$this->createRebroadcastShowInstances($showDay, $start, $ccShowInstance->getDbId());
}
}
}
/**
*
* Sets multiple cc_show_instances table rows
* @param unknown_type $showDay
* @param unknown_type $populateUntil
* @param unknown_type $repeatInterval
* @param unknown_type $isRebroadcast
*/
private function createWeeklyRepeatingShowInstances($showDay, $populateUntil,
$repeatInterval, $isRebroadcast)
{
$show_id = $showDay->getDbShowId();
$next_pop_date = $showDay->getDbNextPopDate();
$first_show = $showDay->getDbFirstShow(); //non-UTC
$last_show = $showDay->getDbLastShow(); //non-UTC
$start_time = $showDay->getDbStartTime(); //non-UTC
$duration = $showDay->getDbDuration();
$day = $showDay->getDbDay();
$record = $showDay->getDbRecord();
$timezone = $showDay->getDbTimezone();
$currentUtcTimestamp = gmdate("Y-m-d H:i:s");
if (isset($next_pop_date)) {
$start = $next_pop_date." ".$start_time;
} else {
$start = $first_show." ".$start_time;
}
$period = $this->getDatePeriod($start, $timezone, $last_show,
$repeatInterval, $populateUntil);
$utcStartDateTime = Application_Common_DateHelper::ConvertToUtcDateTime($start, $timezone);
$utcLastShowDateTime = $last_show ?
Application_Common_DateHelper::ConvertToUtcDateTime($last_show, $timezone) : null;
$utcEndDateTime = null;
foreach ($period as $date) {
list($utcStartDateTime, $utcEndDateTime) = $this->service_show->createUTCStartEndDateTime(
$date->format("Y-m-d H:i:s"), $duration, $timezone);
/*
* Make sure start date is less than populate until date AND
* last show date is null OR start date is less than last show date
*/
if ($utcStartDateTime->getTimestamp() <= $populateUntil->getTimestamp() &&
( is_null($utcLastShowDateTime) ||
$utcStartDateTime->getTimestamp() < $utcLastShowDateTime->getTimestamp()) ) {
$ccShowInstance = new CcShowInstances();
$ccShowInstance->setDbShowId($show_id);
$ccShowInstance->setDbStarts($utcStartDateTime);
$ccShowInstance->setDbEnds($utcEndDateTime);
$ccShowInstance->setDbRecord($record);
$ccShowInstance->save();
if ($isRebroadcast) {
$this->createRebroadcastShowInstances($showDay, $date->format("Y-m-d"), $ccShowInstance->getDbId());
}
}
}
$nextDate = $utcEndDateTime->add(new DateInterval($repeatInterval));
$this->service_show->setNextRepeatingShowDate($nextDate->format("Y-m-d"), $show_id, $day);
}
/**
*
* Enter description here ...
* @param $showDay
*/
private function createRebroadcastShowInstances($showDay, $showStartDate, $instanceId)
{
$currentUtcTimestamp = gmdate("Y-m-d H:i:s");
$showId = $showDay["show_id"];
$sql = "SELECT * FROM cc_show_rebroadcast WHERE show_id=:show_id";
$rebroadcasts = Application_Common_Database::prepareAndExecute($sql,
array( ':show_id' => $showId ), 'all');
foreach ($rebroadcasts as $rebroadcast) {
$days = explode(" ", $rebroadcast["day_offset"]);
$time = explode(":", $rebroadcast["start_time"]);
$offset = array("days"=>$days[0], "hours"=>$time[0], "mins"=>$time[1]);
list($utcStartDateTime, $utcEndDateTime) = $this->service_show->createUTCStartEndDateTime(
$showStartDate, $showDay["duration"], $showDay["timezone"], $offset);
if ($utcStartDateTime->format("Y-m-d H:i:s") > $currentUtcTimestamp) {
$ccShowInstance = new CcShowInstances();
$ccShowInstance->setDbShowId($showId);
$ccShowInstance->setDbStarts($utcStartDateTime);
$ccShowInstance->setDbEnds($utcEndDateTime);
$ccShowInstance->setDbRecord(0);
$ccShowInstance->setDbRebroadcast(1);
$ccShowInstance->setDbOriginalShow($instanceId);
$ccShowInstance->save();
}
}
}
private function deleteRebroadcastShowInstances()
{
}
/**
*
* Create a DatePeriod object in the user's local time
* It will get converted to UTC before the show instance gets created
*/
private function getDatePeriod($start, $timezone, $lastShow, $repeatInterval, $populateUntil)
{
if (isset($lastShow)) {
$endDatePeriod = new DateTime($lastShow, new DateTimeZone($timezone));
} else {
$endDatePeriod = $populateUntil;
}
return new DatePeriod(new DateTime($start, new DateTimeZone($timezone)),
new DateInterval($repeatInterval), $endDatePeriod);
}
/**
*
* Returns 2 DateTime objects, in the user's local time,
* of the next future repeat show instance start and end time
*/
public function getNextFutureRepeatShowTime($showId)
{
$sql = <<<SQL
SELECT starts, ends FROM cc_show_instances
WHERE ends > now() at time zone 'UTC'
AND show_id = :showId
ORDER BY starts
LIMIT 1
SQL;
$result = Application_Common_Database::prepareAndExecute( $sql,
array( 'showId' => $showId ), 'all' );
foreach ($result as $r) {
$show["starts"] = new DateTime($r["starts"], new DateTimeZone('UTC'));
$show["ends"] = new DateTime($r["ends"], new DateTimeZone('UTC'));
}
$userTimezone = Application_Model_Preference::GetUserTimezone(
$this->service_user->getCurrentUser()->getDbId());
$show["starts"]->setTimezone(new DateTimeZone($userTimezone));
$show["ends"]->setTimezone(new DateTimeZone($userTimezone));
return $show;
}
/**
* This function is messy. But sometimes there is no easy way to do it.
*
* When editing a show we may need to perform some actions to reflect the new specs:
* - Delete some show instances
* - Update duration
* - Update start and end time
*
* @param $showData edit show form values in raw form
* @param $isRecorded value computed from the edit show form
* @param $repeatType value computed from the edit show form
*/
public function updateShowInstances($showData, $isRecorded, $repeatType)
{
$showId = $showData["add_show_id"];
$this->service_showDays = new Application_Service_ShowDaysService($showId);
//ccShowDays object of the show being edited
$currentShowDay = $this->service_showDays->getCurrentShowDay();
$endDate = $this->service_showDays->calculateEndDate($showData);
//repeat option was toggled
if ($showData['add_show_repeats'] != $currentShowDay->isRepeating()) {
$this->deleteAllRepeatInstances($currentShowDay, $showId);
}
//duration has changed
if ($showData['add_show_duration'] != $currentShowDay->getDbDuration()) {
$this->updateDuration($showData);
}
if ($showData['add_show_repeats']) {
$localShowStart = $currentShowDay->getLocalStartDateAndTime();
//if the start date changes, these are the repeat types
//that require show instance deletion
$deleteRepeatTypes = array(REPEAT_BI_WEEKLY, REPEAT_MONTHLY_MONTHLY,
REPEAT_MONTHLY_WEEKLY);
if (in_array($repeatType, $deleteRepeatTypes) &&
$showData["add_show_start_date"] != $localShowStart->format("Y-m-d")) {
//Start date has changed when repeat type is bi-weekly or monthly.
//This screws up the repeating positions of show instances, so
//we need to delete them (CC-2351)
$this->deleteAllInstances($showId);
}
if ($repeatType != $currentShowDay->getDbRepeatType()) {
//repeat type changed
$this->deleteAllInstances($showId);
} else {
//repeat type is the same, check if the days of the week are the same
$repeatingDaysChanged = false;
$ccShowDays = $this->service_showDays->getShowDays();
$showDays = array();
foreach ($ccShowDays as $day) {
$showDays[] = $day->getDbDay();
}
if (count($showData['add_show_day_check']) == count($showDays)) {
//same number of days checked, lets see if they are the same numbers
$intersect = array_intersect($showData['add_show_day_check'], $showDays);
if (count($intersect) != count($showData['add_show_day_check'])) {
$repeatingDaysChanged = true;
}
} else {
$repeatingDaysChanged = true;
}
if ($repeatingDaysChanged) {
$daysRemoved = array_diff($showDays, $showData['add_show_day_check']);
if (count($daysRemoved) > 0) {
//delete repeating show instances for the repeating
//days that were removed
$this->deleteRemovedShowDayInstances($daysRemoved,
$ccShowDays, $showId);
}
}
if ($showData['add_show_start_date'] != $localShowStart->format("Y-m-d")
|| $showData['add_show_start_time'] != $localShowStart->format("H:i:s")){
//start date has been pushed forward so we need to delete
//any instances of this show scheduled before the new start date
if ($showData['add_show_start_date'] > $localShowStart->format("Y-m-d")) {
$this->deleteInstancesBeforeDate($showData['add_show_start_date'], $showId);
}
$this->updateStartDateAndTime($showData, $currentShowDay);
}
}
/*
//Check if end date for the repeat option has changed. If so, need to take care
//of deleting possible invalid Show Instances.
if ((strlen($this->getRepeatingEndDate()) == 0) == $showData['add_show_no_end']) {
//show "Never Ends" option was toggled.
if ($showData['add_show_no_end']) {
} else {
$this->removeAllInstancesFromDate($p_endDate);
}
}
if ($this->getRepeatingEndDate() != $showData['add_show_end_date']) {
//end date was changed.
$newDate = strtotime($showData['add_show_end_date']);
$oldDate = strtotime($this->getRepeatingEndDate());
if ($newDate < $oldDate) {
$this->removeAllInstancesFromDate($p_endDate);
}
}*/
}
}
/**
*
* Updates the start date and time for cc_show_instances
* and entries in cc_schedule
*
* @param $showData edit show form data
*/
public function updateStartDateAndTime($showData, $currentShowDay)
{
$date = new Application_Common_DateHelper();
//current time in UTC
$timestamp = $date->getTimestamp();
$dtOld = $currentShowDay->getUTCStartDateAndTime();
$dtNew = new DateTime($showData['add_show_start_date']." ".$showData['add_show_start_time'],
new DateTimeZone(date_default_timezone_get()));
$diff = $dtOld->getTimestamp() - $dtNew->getTimestamp();
$sql = <<<SQL
UPDATE cc_show_instances
SET starts = starts + :diff1::INTERVAL,
ends = ends + :diff2::INTERVAL
WHERE show_id = :showId
AND starts > :timestamp
SQL;
Application_Common_Database::prepareAndExecute($sql,
array(':diff1' => $diff, ':diff2' => $diff,
':showId' => $showData["add_show_id"], ':timestamp' => $timestamp),
'execute');
/*$showInstanceIds = $this->getAllFutureInstanceIds();
if (count($showInstanceIds) > 0 && $diff != 0) {
$showIdsImploded = implode(",", $showInstanceIds);
$sql = "UPDATE cc_schedule "
."SET starts = starts + INTERVAL '$diff sec', "
."ends = ends + INTERVAL '$diff sec' "
."WHERE instance_id IN ($showIdsImploded)";
$con->exec($sql);
}*/
}
public function deleteAllRepeatInstances($currentShowDay, $showId)
{
$firstShow = $currentShowDay->getUTCStartDateAndTime();
$sql = <<<SQL
DELETE
FROM cc_show_instances
WHERE starts > :timestamp::TIMESTAMP
AND show_id = :showId
AND date(starts) != :firstShow
SQL;
Application_Common_Database::prepareAndExecute( $sql,
array( ':timestamp' => gmdate("Y-m-d H:i:s"),
':showId' => $showId,
':firstShow' => $firstShow->format("Y-m-d")), 'execute');
}
public function deleteAllInstances($showId)
{
$sql = <<<SQL
DELETE
FROM cc_show_instances
WHERE starts > :timestamp::TIMESTAMP
AND show_id = :showId
SQL;
Application_Common_Database::prepareAndExecute( $sql,
array( ':timestamp' => gmdate("Y-m-d H:i:s"),
':showId' => $showId), 'execute');
}
/**
*
* Enter description here ...
* @param $daysRemoved array of days (days of the week) removed
* (days of the week are represented numerically
* 0=>sunday, 1=>monday, 2=>tuesday, etc.)
* @param $showDays array of ccShowDays objects
* @param $showId
*/
public function deleteRemovedShowDayInstances($daysRemoved, $showDays, $showId)
{
$daysRemovedUTC = array();
//convert the start day of the week to UTC
foreach ($showDays as $showDay) {
if (in_array($showDay->getDbDay(), $daysRemoved)) {
$showDay->reload();
$startDay = $showDay->getUTCStartDateAndTime();
$daysRemovedUTC[] = $startDay->format('w');
}
}
$uncheckedDays = pg_escape_string(implode(",", $daysRemovedUTC));
$sql = <<<SQL
DELETE
FROM cc_show_instances
WHERE EXTRACT(DOW FROM starts) IN ($uncheckedDays)
AND starts > :timestamp::TIMESTAMP
AND show_id = :showId
SQL;
Application_Common_Database::prepareAndExecute( $sql,
array(
":timestamp" => gmdate("Y-m-d H:i:s"),
":showId" => $showId,
), "execute");
}
public function deleteInstancesBeforeDate($newStartDate, $showId)
{
$sql = <<<SQL
DELETE
FROM cc_show_instances
WHERE date(starts) < :newStartDate::DATE
AND starts > :timestamp::TIMESTAMP
AND show_id = :showId
SQL;
Application_Common_Database::prepareAndExecute($sql, array(
":newStartDate" => $newStartDate, ":timestamp" => gmdate("Y-m-d H:i:s"),
":showId" => $showId), "execute");
}
public function updateDuration($showData)
{
$date = new Application_Common_DateHelper;
$timestamp = $date->getUtcTimestamp();
$sql = <<<SQL
UPDATE cc_show_instances
SET ends = starts + :add_show_duration::INTERVAL
WHERE show_id = :show_id
AND ends > :timestamp::TIMESTAMP
SQL;
Application_Common_Database::prepareAndExecute( $sql, array(
':add_show_duration' => $showData['add_show_duration'],
':show_id' => $showData['add_show_id'],
':timestamp' => $timestamp), "execute");
}
}