121 lines
3.3 KiB
PHP
121 lines
3.3 KiB
PHP
<?php
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/**
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* Piwik - Open source web analytics
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*
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* @link http://piwik.org
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* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
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*
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*/
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namespace Piwik;
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/**
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* This data structure holds the scheduled times for each active scheduled task.
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*/
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class ScheduledTaskTimetable
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{
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const TIMETABLE_OPTION_STRING = "TaskScheduler.timetable";
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private $timetable;
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public function __construct()
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{
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$optionData = Option::get(self::TIMETABLE_OPTION_STRING);
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$unserializedTimetable = @unserialize($optionData);
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$this->timetable = $unserializedTimetable === false ? array() : $unserializedTimetable;
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}
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public function getTimetable()
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{
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return $this->timetable;
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}
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public function setTimetable($timetable)
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{
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$this->timetable = $timetable;
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}
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public function removeInactiveTasks($activeTasks)
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{
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$activeTaskNames = array();
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foreach ($activeTasks as $task) {
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$activeTaskNames[] = $task->getName();
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}
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foreach (array_keys($this->timetable) as $taskName) {
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if (!in_array($taskName, $activeTaskNames)) {
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unset($this->timetable[$taskName]);
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}
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}
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}
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public function getScheduledTaskNames()
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{
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return array_keys($this->timetable);
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}
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public function getScheduledTaskTime($taskName)
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{
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return isset($this->timetable[$taskName]) ? Date::factory($this->timetable[$taskName]) : false;
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}
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/**
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* Checks if the task should be executed
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*
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* Task has to be executed if :
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* - the task has already been scheduled once and the current system time is greater than the scheduled time.
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* - execution is forced, see $forceTaskExecution
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*
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* @param string $taskName
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*
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* @return boolean
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*/
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public function shouldExecuteTask($taskName)
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{
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$forceTaskExecution =
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(isset($GLOBALS['PIWIK_TRACKER_DEBUG_FORCE_SCHEDULED_TASKS']) && $GLOBALS['PIWIK_TRACKER_DEBUG_FORCE_SCHEDULED_TASKS'])
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|| DEBUG_FORCE_SCHEDULED_TASKS;
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return $forceTaskExecution || ($this->taskHasBeenScheduledOnce($taskName) && time() >= $this->timetable[$taskName]);
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}
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/**
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* Checks if a task should be rescheduled
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*
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* Task has to be rescheduled if :
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* - the task has to be executed
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* - the task has never been scheduled before
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*
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* @param string $taskName
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*
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* @return boolean
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*/
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public function taskShouldBeRescheduled($taskName)
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{
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return !$this->taskHasBeenScheduledOnce($taskName) || $this->shouldExecuteTask($taskName);
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}
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public function rescheduleTask($task)
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{
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// update the scheduled time
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$this->timetable[$task->getName()] = $task->getRescheduledTime();
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$this->save();
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}
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public function save()
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{
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Option::set(self::TIMETABLE_OPTION_STRING, serialize($this->timetable));
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}
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public function getScheduledTimeForMethod($className, $methodName, $methodParameter = null)
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{
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$taskName = ScheduledTask::getTaskName($className, $methodName, $methodParameter);
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return $this->taskHasBeenScheduledOnce($taskName) ? $this->timetable[$taskName] : false;
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}
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public function taskHasBeenScheduledOnce($taskName)
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{
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return isset($this->timetable[$taskName]);
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}
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}
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