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<?php
/*
Question2Answer by Gideon Greenspan and contributors
http://www.question2answer.org/
File: qa-include/Q2A/Recalc/State.php
Description: Class holding state of the current recalculation process.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
More about this license: http://www.question2answer.org/license.php
*/
if (!defined('QA_VERSION')) { // don't allow this page to be requested directly from browser
header('Location: ../../');
exit;
}
class Q2A_Recalc_State
{
public $state;
public $operation;
public $length;
public $next;
public $done;
private $classes = array(
'doreindexcontent' => 'ReindexContent',
'doreindexcontent_pagereindex' => 'ReindexContentPageReindex',
'doreindexcontent_postcount' => 'ReindexContentPostCount',
'doreindexcontent_postreindex' => 'ReindexContentPostReindex',
'doreindexposts_wordcount' => 'ReindexPostsWordCount',
'dorecountposts' => 'RecountPosts',
'dorecountposts_postcount' => 'RecountPostsPostCount',
'dorecountposts_votecount' => 'RecountPostsVoteCount',
'dorecountposts_acount' => 'RecountPostsAcount',
'dorecalcpoints' => 'RecalcPoints',
'dorecalcpoints_usercount' => 'RecalcPointsUserCount',
'dorecalcpoints_recalc' => 'RecalcPointsRecalc',
'dorefillevents' => 'RefillEvents',
'dorefillevents_qcount' => 'RefillEventsQcount',
'dorefillevents_refill' => 'RefillEventsRefill',
'dorecalccategories' => 'RecalcCategories',
'dorecalccategories_postcount' => 'RecalcCategoriesPostCount',
'dorecalccategories_postupdate' => 'RecalcCategoriesPostUpdate',
'dorecalccategories_recount' => 'RecalcCategoriesRecount',
'dorecalccategories_backpaths' => 'RecalcCategoriesBackPaths',
'dodeletehidden' => 'DeleteHidden',
'dodeletehidden_comments' => 'DeleteHiddenComments',
'dodeletehidden_answers' => 'DeleteHiddenAnswers',
'dodeletehidden_questions' => 'DeletehiddenQuestions',
'doblobstodisk' => 'BlobsToDisk',
'doblobstodisk_move' => 'BlobsToDiskMove',
'doblobstodb' => 'BlobsToDB',
'doblobstodb_move' => 'BlobsToDBMove',
'docachetrim' => 'CacheTrim',
'docacheclear' => 'CacheClear',
'docachetrim_process' => 'CacheClearProcess',
'docacheclear_process' => 'CacheClearProcess',
'doreindexposts_complete' => 'ReindexPostsComplete',
'dorecountposts_complete' => 'RecountPostsComplete',
'dorecalcpoints_complete' => 'RecalcPointsComplete',
'dorefillevents_complete' => 'RefillEventsComplete',
'dorecalccategories_complete' => 'RecalcCategoriesComplete',
'dodeletehidden_complete' => 'DeleteHiddenComplete',
'doblobstodisk_complete' => 'BlobsMoveComplete',
'doblobstodb_complete' => 'BlobsMoveComplete',
'docacheclear_complete' => 'CacheClearComplete',
);
/**
* Initialize the counts of resource usage.
*/
public function __construct($state)
{
$this->setState($state);
}
public function getState()
{
return $this->state;
}
public function setState($state = '')
{
$this->state = $state;
list($this->operation, $this->length, $this->next, $this->done) = explode("\t", $state . "\t\t\t\t");
}
public function updateState()
{
$this->state = $this->operation . "\t" . $this->length . "\t" . $this->next . "\t" . $this->done;
}
public function getOperationClass()
{
return isset($this->classes[$this->operation]) ? 'Q2A_Recalc_' . $this->classes[$this->operation] : null;
}
public function allDone()
{
return $this->done >= $this->length;
}
/**
* Change the $state to represent the beginning of a new $operation
* @param $newOperation
*/
public function transition($newOperation)
{
$this->operation = $newOperation;
$this->length = $this->stageLength();
$this->next = (QA_FINAL_EXTERNAL_USERS && ($newOperation == 'dorecalcpoints_recalc')) ? '' : 0;
$this->done = 0;
$this->updateState();
}
/**
* Return how many steps there will be in recalculation $operation
* @return int
*/
private function stageLength()
{
switch ($this->operation) {
case 'doreindexcontent_pagereindex':
return qa_db_count_pages();
case 'doreindexcontent_postreindex':
return qa_opt('cache_qcount') + qa_opt('cache_acount') + qa_opt('cache_ccount');
case 'doreindexposts_wordcount':
return qa_db_count_words();
case 'dorecalcpoints_recalc':
return qa_opt('cache_userpointscount');
case 'dorecountposts_votecount':
case 'dorecountposts_acount':
case 'dorecalccategories_postupdate':
return qa_db_count_posts();
case 'dorefillevents_refill':
return qa_opt('cache_qcount') + qa_db_count_posts('Q_HIDDEN');
case 'dorecalccategories_recount':
case 'dorecalccategories_backpaths':
return qa_db_count_categories();
case 'dodeletehidden_comments':
return count(qa_db_posts_get_for_deleting('C'));
case 'dodeletehidden_answers':
return count(qa_db_posts_get_for_deleting('A'));
case 'dodeletehidden_questions':
return count(qa_db_posts_get_for_deleting('Q'));
case 'doblobstodisk_move':
return qa_db_count_blobs_in_db();
case 'doblobstodb_move':
return qa_db_count_blobs_on_disk();
case 'docachetrim_process':
case 'docacheclear_process':
$cacheDriver = Q2A_Storage_CacheFactory::getCacheDriver();
$cacheStats = $cacheDriver->getStats();
return $cacheStats['files'];
}
return 0;
}
}