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241 changes: 241 additions & 0 deletions
241
Modules/TestQuestionPool/classes/class.ilAssQuestionUserSolutionAdopter.php
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,241 @@ | ||
| <?php | ||
| /* Copyright (c) 1998-2013 ILIAS open source, Extended GPL, see docs/LICENSE */ | ||
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| /** | ||
| * @author Björn Heyser <[email protected]> | ||
| * @version $Id$ | ||
| * | ||
| * @package Modules/TestQuestionPool | ||
| */ | ||
| class ilAssQuestionUserSolutionAdopter | ||
| { | ||
| /** | ||
| * @var ressource | ||
| */ | ||
| protected static $preparedDeleteSolutionRecordsStatement = null; | ||
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| /** | ||
| * @var ressource | ||
| */ | ||
| protected static $preparedSelectSolutionRecordsStatement = null; | ||
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| /** | ||
| * @var ressource | ||
| */ | ||
| protected static $preparedInsertSolutionRecordStatement = null; | ||
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| /** | ||
| * @var ilDB | ||
| */ | ||
| protected $db; | ||
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| /** | ||
| * @var ilAssQuestionProcessLockerFactory | ||
| */ | ||
| protected $processLockerFactory; | ||
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| /** | ||
| * @var integer | ||
| */ | ||
| protected $userId; | ||
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| /** | ||
| * @var integer | ||
| */ | ||
| protected $activeId; | ||
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| /** | ||
| * @var integer | ||
| */ | ||
| protected $targetPass; | ||
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| /** | ||
| * @var array | ||
| */ | ||
| protected $questionIds; | ||
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| /** | ||
| * @param ilDB $db | ||
| * @param ilSetting $assSettings | ||
| * @param bool $isAssessmentLogEnabled | ||
| */ | ||
| public function __construct(ilDB $db, ilSetting $assSettings, $isAssessmentLogEnabled) | ||
| { | ||
| $this->db = $db; | ||
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| $this->userId = null; | ||
| $this->activeId = null; | ||
| $this->targetPass = null; | ||
| $this->questionIds = array(); | ||
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| require_once 'Modules/TestQuestionPool/classes/class.ilAssQuestionProcessLockerFactory.php'; | ||
| $this->processLockerFactory = new ilAssQuestionProcessLockerFactory($assSettings, $db); | ||
| $this->processLockerFactory->setAssessmentLogEnabled($isAssessmentLogEnabled); | ||
| } | ||
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| /** | ||
| * @return int | ||
| */ | ||
| public function getUserId() | ||
| { | ||
| return $this->userId; | ||
| } | ||
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| /** | ||
| * @param int $userId | ||
| */ | ||
| public function setUserId($userId) | ||
| { | ||
| $this->userId = $userId; | ||
| } | ||
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| /** | ||
| * @return int | ||
| */ | ||
| public function getActiveId() | ||
| { | ||
| return $this->activeId; | ||
| } | ||
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| /** | ||
| * @param int $activeId | ||
| */ | ||
| public function setActiveId($activeId) | ||
| { | ||
| $this->activeId = $activeId; | ||
| } | ||
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| /** | ||
| * @return int | ||
| */ | ||
| public function getTargetPass() | ||
| { | ||
| return $this->targetPass; | ||
| } | ||
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| /** | ||
| * @param int $targetPass | ||
| */ | ||
| public function setTargetPass($targetPass) | ||
| { | ||
| $this->targetPass = $targetPass; | ||
| } | ||
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| /** | ||
| * @return array | ||
| */ | ||
| public function getQuestionIds() | ||
| { | ||
| return $this->questionIds; | ||
| } | ||
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| /** | ||
| * @param array $questionIds | ||
| */ | ||
| public function setQuestionIds($questionIds) | ||
| { | ||
| $this->questionIds = $questionIds; | ||
| } | ||
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| public function perform() | ||
| { | ||
| $this->processLockerFactory->setUserId($this->getUserId()); | ||
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| foreach($this->getQuestionIds() as $questionId) | ||
| { | ||
| $this->processLockerFactory->setQuestionId($questionId); | ||
| $processLocker = $this->processLockerFactory->getLocker(); | ||
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| $processLocker->requestUserSolutionAdoptLock(); | ||
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| $this->resetTargetSolution($questionId); | ||
| $this->adoptSourceSolution($questionId); | ||
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| $processLocker->releaseUserSolutionAdoptLock(); | ||
| } | ||
| } | ||
|
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| protected function resetTargetSolution($questionId) | ||
| { | ||
| $this->db->execute( | ||
| $this->getPreparedDeleteSolutionRecordsStatement(), | ||
| array($this->getActiveId(), $questionId, $this->getTargetPass()) | ||
| ); | ||
| } | ||
|
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| protected function adoptSourceSolution($questionId) | ||
| { | ||
| $res = $this->db->execute( | ||
| $this->getPreparedSelectSolutionRecordsStatement(), | ||
| array($this->getActiveId(), $questionId, $this->getTargetPass()) | ||
| ); | ||
|
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| $currentPass = null; | ||
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| while($row = $this->db->fetchAssoc($res)) | ||
| { | ||
| if($currentPass === null) | ||
| { | ||
| $currentPass = $row['pass']; | ||
| } | ||
| elseif($row['pass'] < $currentPass) | ||
| { | ||
| break; | ||
| } | ||
|
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| $solutionId = $this->db->nextId('tst_solutions'); | ||
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| $this->db->execute($this->getPreparedInsertSolutionRecordStatement(), array( | ||
| $solutionId, $this->getActiveId(), $questionId, $this->getTargetPass(), time(), | ||
| $row['points'], $row['value1'], $row['value2'] | ||
| )); | ||
| } | ||
| } | ||
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| protected function getPreparedDeleteSolutionRecordsStatement() | ||
| { | ||
| if( self::$preparedDeleteSolutionRecordsStatement === null ) | ||
| { | ||
| self::$preparedDeleteSolutionRecordsStatement = $this->db->prepareManip( | ||
| "DELETE FROM tst_solutions WHERE active_fi = ? AND question_fi = ? AND pass = ?", | ||
| array('integer', 'integer', 'integer') | ||
| ); | ||
| } | ||
|
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| return self::$preparedDeleteSolutionRecordsStatement; | ||
| } | ||
|
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| protected function getPreparedSelectSolutionRecordsStatement() | ||
| { | ||
| if( self::$preparedSelectSolutionRecordsStatement === null ) | ||
| { | ||
| self::$preparedSelectSolutionRecordsStatement = $this->db->prepare( | ||
| "SELECT FROM tst_solutions WHERE active_fi = ? AND question_fi = ? AND pass < ? ORDER BY pass DESC", | ||
| array('integer', 'integer', 'integer') | ||
| ); | ||
| } | ||
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| return self::$preparedSelectSolutionRecordsStatement; | ||
| } | ||
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| protected function getPreparedInsertSolutionRecordStatement() | ||
| { | ||
| if( self::$preparedInsertSolutionRecordStatement === null ) | ||
| { | ||
| $query = " | ||
| INSERT INTO tst_solutions ( | ||
| solution_id, active_fi, question_fi, pass, tstamp, points, value1, value2 | ||
| ) VALUES ( | ||
| ?, ?, ?, ?, ?, ?, ?, ? | ||
| ) | ||
| "; | ||
|
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| self::$preparedInsertSolutionRecordStatement = $this->db->prepareManip( | ||
| $query, array('integer', 'integer', 'integer', 'integer', 'integer', 'integer', 'text', 'text') | ||
| ); | ||
| } | ||
|
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| return self::$preparedInsertSolutionRecordStatement; | ||
| } | ||
| } |