159 lines
4 KiB
PHP
159 lines
4 KiB
PHP
<?php
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/**
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* The Legend of Z
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*
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* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
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* @copyright 2014 Heinrich-Heine-Universität Düsseldorf
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* @license http://www.gnu.org/licenses/gpl.html
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* @link https://bitbucket.org/coderkun/the-legend-of-z
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*/
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namespace hhu\z\questtypes;
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/**
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* Controller of the TextinputQuesttypeAgent for for inserting text.
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*
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* @author Oliver Hanraths <oliver.hanraths@uni-duesseldorf.de>
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*/
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class TextinputQuesttypeController extends \hhu\z\QuesttypeController
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{
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/**
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* Save the answers of a Character for a Quest.
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*
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* @param int $questId ID of Quest to save answers for
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* @param int $characterId ID of Character to save answers of
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* @param array $answers Character answers for the Quest
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*/
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public function saveAnswersOfCharacter($questId, $characterId, $answers)
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{
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// Get regexs
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$regexs = $this->Textinput->getTextinputRegexs($questId);
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// Save answers
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foreach($regexs as &$regex)
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{
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$pos = intval($regex['number']) - 1;
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$answer = (array_key_exists($pos, $answers)) ? $answers[$pos] : '';
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$this->Textinput->setCharacterSubmission($regex['id'], $characterId, $answer);
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}
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}
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/**
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* Check if answers of a Character for a Quest match the correct ones.
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*
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* @param int $questId ID of Quest to match answers for
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* @param int $characterId ID of Character to match answers of
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* @return boolean True/false for a right/wrong answer or null for moderator evaluation
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*/
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public function matchAnswersOfCharacter($questId, $characterId, $answers)
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{
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// Get right answers
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$regexs = $this->Textinput->getTextinputRegexs($questId);
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// Match regexs with user answers
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$allSolved = true;
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foreach($regexs as $i => &$regex)
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{
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if(!array_key_exists($i, $answers))
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{
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$allSolved = false;
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break;
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}
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if(!$this->isMatching($regex['regex'], $answers[$i]))
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{
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$allSolved = false;
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break;
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}
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}
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// Set status
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return $allSolved;
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}
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/**
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* Action: quest.
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*
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* Display a text with input fields and evaluate if user input
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* matches with stored regular expressions.
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*
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* @param int $questId ID of Quest to show
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* @param int $characterId ID of Character
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*/
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public function quest($questId, $characterId)
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{
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// Get Task
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$task = $this->Textinput->getTextinputQuest($questId);
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// Process text
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$textParts = preg_split('/(\$\$)/', $task['text'], -1, PREG_SPLIT_NO_EMPTY);
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// Get Character answers
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$regexs = $this->Textinput->getTextinputRegexs($questId);
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foreach($regexs as &$regex) {
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$regex['answer'] = $this->Textinput->getCharacterSubmission($regex['id'], $characterId);
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}
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// Has Character already solved Quest?
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$solved = $this->Quests->hasCharacterSolvedQuest($questId, $characterId);
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// Pass data to view
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$this->set('texts', $textParts);
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$this->set('regexs', $regexs);
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$this->set('solved', $solved);
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}
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/**
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* Action: submission.
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*
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* Show the submission of a Character for a Quest.
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*
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* @param int $questId ID of Quest to show submission for
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* @param int $characterId ID of Character to show submission of
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*/
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public function submission($questId, $characterId)
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{
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// Get Task
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$task = $this->Textinput->getTextinputQuest($questId);
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// Process text
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$textParts = preg_split('/(\$\$)/', $task['text'], -1, PREG_SPLIT_NO_EMPTY);
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// Get Character answers
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$regexs = $this->Textinput->getTextinputRegexs($questId);
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foreach($regexs as &$regex) {
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$regex['answer'] = $this->Textinput->getCharacterSubmission($regex['id'], $characterId);
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$regex['right'] = $this->isMatching($regex['regex'], $regex['answer']);
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}
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// Pass data to view
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$this->set('texts', $textParts);
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$this->set('regexs', $regexs);
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}
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private function isMatching($regex, $answer)
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{
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$score = preg_match($regex, $answer);
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return ($score !== false && $score > 0);
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}
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}
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?>
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