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ICT_fix_multianswer_questions_v3.php
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<?php
// This file is FOR Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* This script fixes corrupt cloze questions...
*
* @package
* @subpackage cli
* @copyright 2018 Rebecca Trynes
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
define('NO_OUTPUT_BUFFERING', true);
define('CLI_SCRIPT', true);
require(__DIR__.'/../../../config.php');
require_once($CFG->libdir.'/clilib.php');
require_once($CFG->libdir.'/questionlib.php');
require_once($CFG->dirroot.'/question/engine/bank.php');
require_once($CFG->dirroot.'/question/engine/lib.php');
// Get cli options.
list($options, $unrecognized) = cli_get_params(
array(
'questions' => false,
'info' => false,
'fix' => false,
'verbose' => false,
'help' => false
),
array(
'h' => 'help',
'q' => 'questions',
'i' => 'info',
'v' => 'verbose',
'f' => 'fix'
)
);
//$DB->set_debug(true);
//hostname using the inbuilt moodle function was returning 'unknownhost'
//I don't think it really matters if it's not host specific...
function make_unique_code($extra = '') {
$hostname = 'admin.cli.script.';
$date = gmdate("ymdHis");
$random = random_string(6);
if ($extra) {
return $hostname .'+'. $date .'+'. $random .'+'. $extra;
} else {
return $hostname .'+'. $date .'+'. $random;
}
}
/*------------------------------------------------------------------
* Take any text and turn it into plain text without HTML or spaces
* but keep any image filenames that might be in it...
* (this makes searching for questiontext and comparing easier!)
-------------------------------------------------------------------*/
function plainText($text) {
//Turn the text into plain text (easier to read!)
//If there's a title in a p tag, remove it...
$plaintext = preg_replace('/<p title="(.*?)">/', '<p>', $text);
//If there are p tags butting up against each other, separate them with a space...
$plaintext = preg_replace('/<\/p><p>/', '<\/p> <p>', $plaintext);
//Strip ALL html tags EXCEPT for img tags...
$plaintext = strip_tags($plaintext, '<img>');
//Get the image source filename...
if(preg_match('%<img\s.*?src=".*?/?([^/]+?(\.gif|\.png|\.jpg))"%s', $plaintext, $regs)) {
$image = $regs[1];
} else {
$image = '';
}
//Find the img code...
$plaintext = preg_replace('(<img.*?src="(.*?)".*?(>|/>|</img>))', '{{{img: '.$image.'}}} ', $plaintext);
//If there are any non-breaking space, remove them...
$plaintext = preg_replace('/ /', ' ', $plaintext);
//If there are blank spaces more than one space, make it one...
//the u-parameter is if the string is UTF-8 encoded!!!!
//(Meaning it can have a whitespace that isn't covered with just /\s+/)
$plaintext = preg_replace('/\s+/u', ' ', $plaintext);
$plaintext = str_replace('\n', ' ', $plaintext);
$plaintext = str_replace('\r', '', $plaintext);
$plaintext = preg_replace('([^0-9a-zA-Z{}:/$%#]+)', '', $plaintext);
return $plaintext;
}
//This one removes the img filename so you can compare JUST questiontext.
function noimgText($text) {
$noimgtext = preg_replace('(({{{img.*?(png|PNG|jpg|JPG|gif|GIF)}}}))', '', $text);
return $noimgtext;
}
/*-----------------------------------------------------------------------
* Query the database to find all multianswer questions
------------------------------------------------------------------------*/
$checklist = preg_split('/\s*,\s*/', $options['questions'], -1, PREG_SPLIT_NO_EMPTY);
//if * is in the questionlist (meaning all questions)
if (in_array('*', $checklist)) {
//If you just want info on the duplicate entries (not verbose)...
if(!$options['verbose']) {
$where = 'WHERE sequence IN (SELECT sequence FROM mdl_question_multianswer GROUP BY sequence HAVING COUNT(*) > 1)';
$params = array(); //No params
$GLOBALS["where"] = $where;
$GLOBALS["params"] = $params;
} else {
//Only want the multianswer questions...
$where = "WHERE qtype = 'multianswer' ORDER BY questiontext";
$params = array(); //No params
$GLOBALS["where"] = $where;
$GLOBALS["params"] = $params;
}
} else {//The user has specified a question to check
if($options['questions']) {
//This will only check to see if the specified question is in qma.question column
//Not the qma.sequence column, so it will only show if it's a base cloze question...
list($sql, $params) = $DB->get_in_or_equal($checklist, SQL_PARAMS_NAMED, 'question');
//Where question is in or equal to the 'question' specified in the questionlist.
$where = 'WHERE question '. $sql;
$GLOBALS["where"] = $where;
}
}
//-----------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------
// This gets the sequence info for a question:
// * The sequence
// * Are the number of sequence questions equal to the amount of placeholders in the question?
// * Do all of the sequence questions exist in the database?
// * Is the parent of all the sequence questions the same as the originating question?
// -- if not, it means it's a faulty sequence and needs to be fixed!
//-----------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------
function get_sequence_info($question=null,$placeholderCount) {
global $DB;
$data = array();
$record = $DB->get_record_sql("SELECT sequence FROM {question_multianswer} WHERE question = '$question'");
$sequence = $record->sequence;
$data['sequence'] = $sequence;
$seq_usage = $DB->get_record_sql("SELECT COUNT(sequence) as usage FROM {question_multianswer} WHERE sequence = '$sequence'");
$usage = $seq_usage->usage;
$data['usage'] = $usage;
$questions = explode(',', $sequence);
$sqcount = count($questions);
$data['seq_questions'] = $questions;
//If the sequence = 0, it's the same as not being equal really....
if($sqcount !== $placeholderCount || $sequence === '0') {
$data['equality'] = false;
} else {
$data['equality'] = true;
}
//---------------------------------------------------
// Do all of the sequence questions exist in the DB?
// Check the exploded list $sqs...
$sqs_exist = array();
$sqs_missing = array();
foreach ($questions as $check) {
if($check != '') {
if($sequence !== '0') {
$exists = $DB->get_record('question', array('id'=>$check));
if (!empty($exists)) {
//---------------------------------------------------
//Positive result? Add it to the sqs_exists array...
$sqs_exist[] = $check;
//---------------------------------------------------
//What is the parent for this sequence question?
//Is it the same as the base question that we're checking?
$parent = $exists->parent;
$data['parent']['id'][] = $parent;
if($parent !== $question) {
$data['parent']['wrong'][] = $check;
} else {
$data['parent']['correct'][] = $check;
}
//---------------------------------------------------
//Do any other sequences share this sequence question?
//Have to be specific when it comes to the length of the question to check!
//If it's LIKE '%$check%', then it might come up with a totally different question.
//e.g. 11532 could show 111532 (note the extra 1!)
$othersequence = $DB->get_records_sql("SELECT question,sequence FROM {question_multianswer}
WHERE (sequence LIKE '%,$check,%'
OR sequence LIKE '%,$check'
OR sequence LIKE '$check,%')
AND sequence != '$record->sequence'");
//var_dump($othersequence);
if(!empty($othersequence)) {
$data['otherseq'][$check] = $othersequence;
} else {
$data['otherseq'][$check] = false;
}
} else {
$sqs_missing[] = $check;
}
}}
$data['sqs_exist'] = $sqs_exist;
$data['sqs_missing'] = $sqs_missing;
}
return $data;
}
//-----------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------
// This gets the info about a sequence or questions in a course....
//
// I made this not echo stuff out as it does in return_info so that it can be used in other
// functions for data gathering purposes. This might not be the best way to do it, however.
// Downfall of being a novice programmer/developer/whatever...
//-----------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------
function get_info($text=null,$group=null,$params=null) {
global $DB;
//var_dump($text);
//questiontext(array) => sequence(array) => questions(array)
//------------------------------------------------------------------------------------------
//Go through each of the sequence groups and get all the infos for the questions:
//mdl_question:
//question ids, questiontext, number of cloze placeholder questions in the question text (qc_count)
//mdl_question_multianswer:
//sequence, sequence length/count (sqs_length), any missing sequence questions?: [sqs_missing, sqs_exist]
//duplicate id's, parent info of sequence questions: [id, name, question text], duplicate count,
//similar sequences, other question ids with this similar sequence, number of these other qs,
//mdl_question_categories:
//category id, category name
//mdl_question_attempts:
//attempted or not, quiz name
//attempted info: [courseid, course name, quiz name]
//mdl_course:
//courseid, course shortname,
//coursecount (no. of courses affected)
//-----------------------------------------------------------------------------------------
$data = array();
//-----------------------------------------------------------------------------------------
$plaintext = $text;
$noimgtext = noimgText($plaintext);
$data['plaintext'] = $plaintext;
//$data['noimgtext'] = $noimgtext;
//---------------------------------------------------
// The amount of placeholders in this question are....
// RT: Had to change the match from '0 or more' to '1 or more' as it could return a false positive...
$placeholders = preg_match_all('({#[0-9]+})', $text, $result, PREG_PATTERN_ORDER);
//var_dump($result);
$result = $result[0];
$placeholderCount = count($result);
$data['qc_count'] = $placeholderCount;
//---------------------------------------------------
// The question ids for each individual questiontext....
$questionids = array();
foreach ($group as $sequence => $questions) {
$sequences[] = (string)$sequence;
foreach($questions as $question) {
$questionids[] = $question->question;
}
}
//var_dump($questionids);
$sequencecount = count($sequences);
$questioncount = count($questionids);
$data['allquestionids'] = $questionids;
$data['totalquestioncount'] = $questioncount;
$data['allsequences'] = $sequences;
$data['totalsequencecount'] = $sequencecount;
//------------------------------------------------------
// Now find out all the info related to these sequence groups:
foreach ($group as $sequence => $questions) {
foreach($questions as $q) {
$question = $q->question;
$questioninfo = $DB->get_record_sql("SELECT * FROM {question} WHERE id = '$question'");
//var_dump($questioninfo);
// Group by attempted/not attempted.
// If they have been attempted and have an equality count of false,
// it's best not to mess with them until you've had a look at
// the 'right answer' to see how many sequence questions it had when attempted.
//---------------------------------------------------
//Have any of these questions been attempted?
$attempts = $DB->get_records_sql("SELECT id FROM {question_attempts} WHERE questionid = '$question'");
//var_dump($attempts);
if (!empty($attempts)) {
//-----------------------------------------------------------------------------------------------------
//The stuff below should be a function, but I'm struggling to get the proper output on the other end!!!
//-----------------------------------------------------------------------------------------------------
$data[$sequence]['attempted_questions'][$question]['question']['id'] = $question;
$data[$sequence]['attempted_questions'][$question]['question']['name'] = $questioninfo->name;
//---------------------------------------------------
//What is the sequence for this question?
$sequenceinfo = get_sequence_info($question,$placeholderCount);
//var_dump($sequence);
foreach($sequenceinfo as $key => $info) {
//var_dump($key);
//var_dump($info);
$data[$sequence]['attempted_questions'][$question]['sequence'][$key] = $info;
}
//---------------------------------------------------
// What is the course/quiz that this attempted question appears in?
//Sometimes the category the question is in is at the quiz context level (70), not the course level.
$quizcontext = $DB->get_records_sql("
SELECT q.category as categoryid,qc.name as category,cxt.contextlevel,cxt.path
FROM {question} q
JOIN {question_categories} qc ON q.category = qc.id
JOIN {context} cxt ON qc.contextid = cxt.id
WHERE q.id = $question AND cxt.contextlevel = 70");
//var_dump($quizcontext);
$contexts = array();
foreach($quizcontext as $qc) {
$contexts[] = explode('/', $qc->path);
}
//var_dump($contexts);
$coursecontext = array();
foreach($contexts as $context) {
//var_dump($context);
//If there are 4 paths (0 is empty), take the 3rd value as the
//context we need....
if(count($context) == 5) {
$coursecontext[] = $context[3];
} else if(count($context) == 6) {
$coursecontext[] = $context[4];
}
}
//If the question is in a category at the quiz context level...
if(!empty($coursecontext)) {
foreach($coursecontext as $ccxt) {
$course = $DB->get_records_sql("
SELECT cxt.id,c.id as courseid,c.shortname
FROM {context} cxt
JOIN {course} c ON c.id = cxt.instanceid
WHERE cxt.id = $ccxt");
}
} else {
//otherwise, it's at the course context level...
$course = $DB->get_records_sql("
SELECT q.category as categoryid,qc.name as category,c.id as courseid,c.shortname
FROM {question} q
JOIN {question_categories} qc ON q.category = qc.id
JOIN {context} cxt ON qc.contextid = cxt.id
JOIN {course} c ON c.id = cxt.instanceid
WHERE q.id = $question");
}
//var_dump($course);
if(!empty($course)) {
foreach($course as $c) {
$data[$sequence]['attempted_questions'][$question]['course']['id'] = $c->courseid;
$data[$sequence]['attempted_questions'][$question]['course']['name'] = $c->shortname;
if(!empty($c->categoryid)) {
$data[$sequence]['attempted_questions'][$question]['q_category']['id'] = $c->categoryid;
$data[$sequence]['attempted_questions'][$question]['q_category']['name'] = $c->category;
}
}}
//If it was found through the quiz context, not through the question context
//we need the question category from that...
if(!empty($quizcontext)) {
foreach($quizcontext as $q) {
if(!empty($q->categoryid)) {
$data[$sequence]['attempted_questions'][$question]['q_category']['id'] = $q->categoryid;
$data[$sequence]['attempted_questions'][$question]['q_category']['name'] = $q->category;
}
}}
//Get attempted quiz info...
$quiz = $DB->get_records_sql("
SELECT qs.quizid,qz.name
FROM {quiz_slots} qs
JOIN {quiz} qz ON qs.quizid = qz.id
WHERE questionid = '$question'");
//var_dump($quiz);
if(!empty($quiz)) {
foreach($quiz as $q) {
$data[$sequence]['attempted_questions'][$question]['quiz']['id'] = $q->quizid;
$data[$sequence]['attempted_questions'][$question]['quiz']['name'] = $q->name;
}}
} else {
//---------------------------------------------------
//---------------------------------------------------
// Non-attempted question info......
//---------------------------------------------------
//---------------------------------------------------
//---------------------------------------------------
// Question id and name....
$data[$sequence]['na_questions'][$question]['question']['id'] = $question;
$data[$sequence]['na_questions'][$question]['question']['name'] = $questioninfo->name;
//---------------------------------------------------
//What is the sequence for this question?
$sequenceinfo = get_sequence_info($question,$placeholderCount);
//var_dump($sequence);
foreach($sequenceinfo as $key => $info) {
//var_dump($key);
//var_dump($info);
$data[$sequence]['na_questions'][$question]['sequence'][$key] = $info;
}
//---------------------------------------------------
// What is the course/quiz that this attempted question appears in?
//Sometimes the category the question is in is at the quiz context level (70), not the course level.
$quizcontext = $DB->get_records_sql("
SELECT q.category as categoryid,qc.name as category,cxt.contextlevel,cxt.path
FROM {question} q
JOIN {question_categories} qc ON q.category = qc.id
JOIN {context} cxt ON qc.contextid = cxt.id
WHERE q.id = $question AND cxt.contextlevel = 70");
//var_dump($quizcontext);
$contexts = array();
foreach($quizcontext as $qc) {
$contexts[] = explode('/', $qc->path);
}
//var_dump($contexts);
$coursecontext = array();
foreach($contexts as $context) {
//var_dump($context);
//If there are 4 paths (0 is empty), take the 3rd value as the
//context we need....
if(count($context) == 5) {
$coursecontext[] = $context[3];
} else if(count($context) == 6) {
$coursecontext[] = $context[4];
}
}
//var_dump($coursecontext);
//If the question is in a category at the quiz context level...
if(!empty($coursecontext)) {
foreach($coursecontext as $ccxt) {
$course = $DB->get_records_sql("
SELECT cxt.id,c.id as courseid,c.shortname
FROM {context} cxt
JOIN {course} c ON c.id = cxt.instanceid
WHERE cxt.id = $ccxt");
}
} else {
//otherwise, it's at the course context level...
$course = $DB->get_records_sql("
SELECT q.category as categoryid,qc.name as category,c.id as courseid,c.shortname
FROM {question} q
JOIN {question_categories} qc ON q.category = qc.id
JOIN {context} cxt ON qc.contextid = cxt.id
JOIN {course} c ON c.id = cxt.instanceid
WHERE q.id = $question");
}
//var_dump($course);
if(!empty($course)) {
foreach($course as $c) {
$data[$sequence]['na_questions'][$question]['course']['id'] = $c->courseid;
$data[$sequence]['na_questions'][$question]['course']['name'] = $c->shortname;
if(!empty($c->categoryid)) {
$data[$sequence]['na_questions'][$question]['q_category']['id'] = $c->categoryid;
$data[$sequence]['na_questions'][$question]['q_category']['name'] = $c->category;
}
}}
//If it was found through the quiz context, not through the question context
//we need the question category from that...
if(!empty($quizcontext)) {
foreach($quizcontext as $q) {
if(!empty($q->categoryid)) {
$data[$sequence]['na_questions'][$question]['q_category']['id'] = $q->categoryid;
$data[$sequence]['na_questions'][$question]['q_category']['name'] = $q->category;
}
}}
//---------------------------------------------------
//Do any of these questions appear in a quiz, even if they haven't been attempted?
$used = $DB->get_records_sql("SELECT qs.quizid,qz.name FROM {quiz_slots} qs JOIN {quiz} qz ON qs.quizid = qz.id WHERE questionid = '$question'");
//var_dump($used);
if (!empty($used)) {
foreach($used as $info) {
$data[$sequence]['na_questions'][$question]['quiz']['id'] = $info->quizid;
$data[$sequence]['na_questions'][$question]['quiz']['name'] = $info->name;
}
}
}
}
}
return $data;
}
//-----------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------
// This returns the info for the questions from get_info.
// If you have specified 'verbose', it will show ALL questions,
// otherwise, you'll just get the questiontext that contains broken ones...
//-----------------------------------------------------------------------------------------------
//-----------------------------------------------------------------------------------------------
function return_info($getinfo,$x,$options) {
//var_dump($getinfo);
//Set up the verbosity of the result:
//If there's no course name or category (it's an orphaned question),
//Or it has the wrong parent, or the sequence is '0',
//or no sequence questions exist in the DB, or the usage is over 1,
//or the equality is not true...
//Put these into the 'broken' array.
//Otherwise, they're all fine for this questiontext
//and can be skipped if not using the 'verbose' option.
$broken = array();
foreach($getinfo['allsequences'] as $sequence) {
foreach($getinfo[$sequence] as $attempt_status => $sequenceinfo) {
foreach($sequenceinfo as $infos) {
//var_dump($infos);
if(
empty($infos['course']['name']) ||
empty($infos['q_category']['name']) ||
($infos['sequence']['sequence'] === '0') ||
($infos['sequence']['usage'] > 1) ||
empty($infos['sequence']['parent']['correct']) ||
($infos['sequence']['equality'] !== true) ||
( empty($infos['sequence']['sqs_exist']) && !empty($infos['sequence']['sqs_missing']) )
) {
$broken[] = $getinfo;
}
}}}
//If you've asked for the good and the bad, return everything...
if( $options['verbose'] ) {
$result = $getinfo;
} else {
//You've asked for just the results with broken questions...
if(!empty($broken)) {
$result = $broken[0];
} else {
$result = NULL;
}
}
if($result !== NULL) {
$info ='<div class="clearer"></div>'."\n";
$info .= "<-- Next Question -->\n";
$info .='<div class="box">';
$info.='<h1 style="text-align: center;">---- Question info ----</h1>'
."\n";
$info .="<p><b>[ The stripped question text is ]:</b></p>";
$info .='<p style="word-wrap:break-word">'.$result['plaintext']."</p>\n\n";
$info .="<hr>\n\n";
$info .="<p><b>[ Placeholders ]:</b> ".$result['qc_count']."</p>\n\n";
$info .="<p><b>[ No. of questions ]:</b> ".$result['totalquestioncount']."</p>\n\n";
$info .="<hr>";
$info .="</div>";
$info .='<br>';
$info .='<table class="table'.$x.'"><tbody>';
$info .='<tr>';
$info .='<th scope="col">Q id</th>';
$info .='<th scope="col">Q name</th>';
$info .='<th scope="col">course</th>';
$info .='<th scope="col">Q category</th>';
$info .='<th scope="col">quiz</th>';
$info .='<th scope="col">attempted</th>';
$info .='<th scope="col">sequence</th>';
$info .='<th scope="col">parent Q</th>';
$info .='<th scope="col">usage</th>';
$info .='<th scope="col">equality</th>';
$info .='<th scope="col">all Qs exist?</th>';
$info .='<th scope="col">similar sequence</th>';
$info .='</tr>'."\n";
//Add a button to show/hide good results for this table...
$info .='<button class="table'.$x.'">Hide/Show Good Rows</button>';
foreach($result['allsequences'] as $sequence) {
foreach($result[$sequence] as $attempt_status => $sequenceinfo) {
//var_dump($attempt_status);
//var_dump($sequenceinfo);
foreach($sequenceinfo as $infos) {
//var_dump($infos);
//Give the rows a certain class if they have dodgy rows or not...
if(
empty($infos['course']['name']) ||
empty($infos['q_category']['name']) ||
($infos['sequence']['sequence'] === '0') ||
($infos['sequence']['usage'] > 1) ||
empty($infos['sequence']['parent']['correct']) ||
($infos['sequence']['equality'] !== true) ||
( empty($infos['sequence']['sqs_exist']) && !empty($infos['sequence']['sqs_missing']) )
) {
$class = 'dodgy';
} else {
$class = 'good';
}
$info .='<tr class="'.$class.'">'."\n";
//-----------------------------------------------------------------------------------------------
// Question id and name...
//-----------------------------------------------------------------------------------------------
$info .='<td title="questionid">'.$infos['question']['id']."</td>\n"; //question id
$info .='<td title="questionname">'.$infos['question']['name']."</td>\n"; //question name
//-----------------------------------------------------------------------------------------------
// Course...
//-----------------------------------------------------------------------------------------------
$info .='<td title="course">';
if(!empty($infos['course']['id'])) {
$info .="[ ".$infos['course']['id']." ] : ";
}
if(!empty($infos['course']['name'])) {
$info .=$infos['course']['name'];
} else {
$info .='<span class="red">orphaned</span>';
}
$info .="</td>\n"; //course
//-----------------------------------------------------------------------------------------------
// Question category...
//-----------------------------------------------------------------------------------------------
$info .='<td title="qcategory">';
if(!empty($infos['q_category']['name'])) {
$info .=$infos['q_category']['name'];
} else {
$info .='<span class="red">orphaned</span>';
}
$info .="</td>\n"; //question category
//-----------------------------------------------------------------------------------------------
// Quiz, if any...
//-----------------------------------------------------------------------------------------------
$info .='<td title="quiz">'; //quiz
if(!empty($infos['quiz'])) {
$info .=$infos['quiz']['id']." : ".$infos['quiz']['name'];
} else {
$info .="--";
}
$info .="</td>\n"; //quiz
//-----------------------------------------------------------------------------------------------
// ...
//-----------------------------------------------------------------------------------------------
$info .='<td title="attempted">'; //attempted?
if($attempt_status === 'na_questions') {
$info .="no";
} else {
$info .='<span class="green">yes</span>';
}
$info .="</td>\n"; //attempted?
//-----------------------------------------------------------------------------------------------
// sequence...
//-----------------------------------------------------------------------------------------------
$info .='<td title="sequence" class="wrap">';
if($infos['sequence']['sequence'] !== '0') {
$info .=$infos['sequence']['sequence'];
} else {
$info .='<span class="red">'
.$infos['sequence']['sequence']
.'</span>';
}
$info .="</td>\n"; //sequence
//-----------------------------------------------------------------------------------------------
// parent question for sequence questions...
//-----------------------------------------------------------------------------------------------
$info .='<td title="parent">';
if($infos['sequence']['sequence'] !== '0') {
//var_dump($infos['sequence']['parent']);
if(!empty($infos['sequence']['parent']['correct'])) {
$info .=$infos['sequence']['parent']['id'][0];
} else {
$info .='<span class="red">';
if(!empty($infos['sequence']['parent']['id'][0])) {
$info .=$infos['sequence']['parent']['id'][0];
} else {
$info .='none';
}
$info .='</span>';
}
} else {
$info .='0';
}
$info .="</td>\n"; //sequence
//-----------------------------------------------------------------------------------------------
// Is more than one question using this sequence?...
//-----------------------------------------------------------------------------------------------
$info .='<td title="usage">'; //equality
if($infos['sequence']['usage'] <= 1) {
$info .="";
} else {
$info .='<span class="red">'
.$infos['sequence']['usage']
.'</span>';
}
$info .="</td>\n"; //usage (blank or number)
//-----------------------------------------------------------------------------------------------
// Are there equal placeholders to sequence questions?...
//-----------------------------------------------------------------------------------------------
$info .='<td title="equality">'; //equality
if($infos['sequence']['equality'] === true) {
$info .="yes";
} else {
$info .='<span class="red">no</span>';
}
$info .="</td>\n"; //equality (yes/no)
//-----------------------------------------------------------------------------------------------
// Do all sequence questions exist?...
//-----------------------------------------------------------------------------------------------
$info .='<td title="all Qs exist">';//all Qs exist(yes/no)
//If the sequence is not equal to 0...
if($infos['sequence']['sequence'] !== '0') {
// And all sequence Qs exist...
if(!empty($infos['sequence']['sqs_exist']) && empty($infos['sequence']['sqs_missing'])) {
$info .="yes";
} else {
$info .='<span class="red">no</span>'; // Qs missing
}} else {
$info .='<span class="red">no</span>'; // Sequence is 0
}
$info .="</td>\n"; //all Qs exist (yes/no)
//-----------------------------------------------------------------------------------------------
// Do any other sequences use these sequence questions?...
//-----------------------------------------------------------------------------------------------
$info .='<td title="other sequence">';//similar sequence (sequence/null)
if(!empty($infos['sequence']['otherseq'])) {
foreach($infos['sequence']['otherseq'] as $other) {
if($other !== false) {
$info .='<span class="red">'."yes</span>\n";
}
}}
$info .="</td>\n";//similar sequence (sequence/null)
$info .="</tr>\n";
}}
}
$info .="</tbody></table>";
$info .='<br>'."\n\n";
echo $info;
}
}
//-------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------
//To fix the dodgy questions!
//-------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------
//-------------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------------------
// If a multianswer question has more sequence questions than actual placeholders in the question,
// update their sequence to 0 ONLY if the question has NOT been attempted.
//
// This could have occurred because of a bad replace, or it could be because the parent question
// was edited, removing some cloze answers. If the question has been attempted, you don't want to
// mess with it like this. It would be better to manually check the attempts for the right answer.
// NOTE: make sure you save the output so you can fix the question if this turns out to be a mistake!
// The output will show the questiontext for the multi-answer questions.
//------------------------------------------------------------------------------------------------
function update_sequence($questionid=null,$sequence=null,$params=null) {
global $DB;
$message = array();
$question = $DB->get_record_sql("SELECT * FROM {question_multianswer} WHERE question = '$questionid'");
//var_dump($question);
//-------------------------------------------------------------//
//----------This is what actually gets actioned----------------//
//-------------------------------------------------------------//
//echo "sequence = ".$sequence."\n";
if(!empty($question)) {
//If the questions sequence is already 0 and the sequence to update to is 0, this question needs manual intervention...
if( ($question->sequence == '0') && ($sequence == '0') ) {
echo '<p class="red">'."Sequence for question [ ".$question->question." ] is already 0 and there are no other questions for this questiontext with a viable sequence.<br>\n\n";
echo "You will need to fix this question manually.</p>\n\n";
$problem[] = $question;
$message['problem'] = $problem;
} else {
$question->sequence = $sequence;
if($DB->update_record('question_multianswer', $question)) {
$success[] = $question;
$message['success'] = $success;
echo '<p class="green">'."Sequence for question [ ".$question->question." ] was updated to [ ".$sequence." ]</p>\n\n";
$message['newsequence'] = $sequence;
} else {
$problem[] = $question;
$message['problem'] = $problem;
echo "<p>Could not update the sequence for question [ ".$question->question." ]</p>\n\n";
}
}
} else {
echo "<p>Something went wrong. No question to check!</p>\n";
}
return $message;
}
//-------------------------------------------------------------------------------------------
//For each question that DOES have sequence questions in the mdl_question table
//duplicate the sequence questions and assign the new ids to the sequence column
//ONLY if ALL sequence questions exist. If some are missing, it will stuff up!
//-------------------------------------------------------------------------------------------
function has_parent_and_all_subquestions_fix($parentquestion=null,$params=null,$placeholderCount=null) {
global $DB;
//var_dump($duplicate);
//Create a few arrays to output messages to...
$message = array();
$message['newquestion'] = array();
$message['newQA'] = array();
$message['newNumQ'] = array();
$message['newMCQ'] = array();
$message['newSAQ'] = array();
//Arrays for the message....
$insertQ = array();
$insertQA = array();
$insertNum = array();
$insertMC = array();
$insertSA = array();
$updated = array();
//Get the sequence for this question....
$sequence = get_sequence_info($parentquestion,$placeholderCount);
//var_dump($parentquestion);
//var_dump($sequence['seq_questions']);
$original_order = $sequence['seq_questions'];
$seq_questions = $sequence['seq_questions'];
//Need to make sure you duplicate the sequence questions in the right order! This will be mandatory for fixing attempts.
//Also have to make sure that you put the new sequence questions back into the order the question had them in, otherwise
//other attempts will be ruined?! Argh!
asort($seq_questions);
//var_dump($seq_questions);
$seq_parent = $sequence['parent']['id'][0];
//var_dump($seq_parent);
//Do not change the parent question, just all the others...
if($parentquestion != $seq_parent) {
echo "<h3>Fixing question: [ ".$parentquestion." ]</h3>\n\n";
//-------------------------------------------------------------------------------------------
// Duplicate the sequence questions and answers...
//-------------------------------------------------------------------------------------------
foreach($seq_questions as $seq_question) {
//get the question category for the new sequence questions, based on the question that we're fixing
$category = $DB->get_record_sql("SELECT category FROM {question} WHERE id = $parentquestion");
//-------------------------------------------------------------------------------------------
//Now, duplicate each sequence question
//-------------------------------------------------------------------------------------------
echo "<p>Duplicating sequence question [ $seq_question ]</p>\n";
$SQdata = $DB->get_record_sql("SELECT * FROM {question} WHERE id = $seq_question");
//var_dump($SQdata);
//Create a new question based on SQdata...
$newquestion = array(
'category' => $category->category,
'parent' => $parentquestion,
'name' => $SQdata->name,
'questiontext' => $SQdata->questiontext,
'questiontextformat' => $SQdata->questiontextformat,
'generalfeedback' => $SQdata->generalfeedback,
'defaultmark' => $SQdata->defaultmark,
'penalty' => $SQdata->penalty,
'qtype' => $SQdata->qtype,
'length' => $SQdata->length,
'stamp' => make_unique_code(),
'version' => make_unique_code(),
'hidden' => $SQdata->hidden,
'timecreated' => $SQdata->timecreated,
'timemodified' => $SQdata->timemodified,
'createdby' => $SQdata->createdby,
'modifiedby' => $SQdata->modifiedby,
'generalfeedbackformat' => $SQdata->generalfeedbackformat);
//var_dump($newquestion);
$newQ = $DB->insert_record('question', $newquestion);
//var_dump($newQ);
//for the message...