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398 lines
12 KiB
398 lines
12 KiB
<?php // $Id: play.php,v 1.4.2.4 2010/08/13 06:29:59 bdaloukas Exp $
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// This files plays the game "Book with Questions"
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function game_bookquiz_continue( $id, $game, $attempt, $bookquiz, $chapterid=0)
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{
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if( $attempt != false and $bookquiz != false){
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return game_bookquiz_play( $id, $game, $attempt, $bookquiz, $chapterid);
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}
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if( $attempt == false){
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$attempt = game_addattempt( $game);
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}
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unset($bookquiz);
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$bookquiz->lastchapterid = 0;
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$bookquiz->id = $attempt->id;
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$bookquiz->bookid = $game->bookid;
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if( !game_insert_record('game_bookquiz', $bookquiz)){
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error( 'game_bookquiz_continue: error inserting in game_bookquiz');
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}
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return game_bookquiz_play( $id, $game, $attempt, $bookquiz, 0);
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}
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function game_bookquiz_play( $id, $game, $attempt, $bookquiz, $chapterid)
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{
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if( $bookquiz->lastchapterid == 0){
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game_bookquiz_play_computelastchapter( $game, $bookquiz);
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if( $bookquiz->lastchapterid == 0){
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error( get_string( 'bookquiz_empty', 'game'));
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}
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}
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if( $chapterid == 0){
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$chapterid = $bookquiz->lastchapterid;
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}else
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{
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if( (set_field( 'game_bookquiz', 'lastchapterid', $chapterid, 'id', $bookquiz->id)) == false){
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error( "Can't update table game_bookquiz with lastchapterid to $chapterid");
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}
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}
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$book = get_record_select( 'book', 'id='.$game->bookid);
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if( !$chapter = get_record_select( 'book_chapters', 'id='.$chapterid)){
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error('Error reading book chapters.');
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}
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$select = "bookid = $game->bookid AND hidden = 0";
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$chapters = get_records_select('book_chapters', $select, 'pagenum', 'id, pagenum, subchapter, title, hidden');
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$okchapters = array();
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if( ($recs = get_records_select( 'game_bookquiz_chapters', "attemptid=$attempt->id")) != false){
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foreach( $recs as $rec){
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//1 means correct answer
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$okchapters[ $rec->chapterid] = 1;
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}
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}
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//2 means current
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//$okchapters[ $chapterid] = 2;
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$showquestions = false;
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$select = "gameid=$game->id AND chapterid=$chapterid";
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if( ($questions = get_records_select( 'game_bookquiz_questions', $select)) === false){
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if( !array_key_exists( $chapterid, $okchapters)){
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$okchapters[ $chapterid] = 1;
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unset( $newrec);
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$newrec->attemptid = $attempt->id;
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$newrec->chapterid = $chapterid;
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if( !insert_record( 'game_bookquiz_chapters', $newrec)){
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error( "Can't insert to table game_bookquiz_chapters");
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}
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}
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}else
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{
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//Have to select random one question
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$questionid = game_bookquiz_selectrandomquestion( $questions);
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if( $questionid != 0){
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$showquestions = true;
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}
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}
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/// prepare chapter navigation icons
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$previd = null;
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$nextid = null;
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$found = 0;
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$scoreattempt = 0;
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foreach ($chapters as $ch) {
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$scoreattempt++;
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if ($found) {
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$nextid= $ch->id;
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break;
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}
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if ($ch->id == $chapter->id) {
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$found = 1;
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}
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if (!$found) {
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$previd = $ch->id;
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}
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}
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if ($ch == current($chapters)) {
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$nextid = $ch->id;
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}
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if( count( $chapters)){
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$scoreattempt = ($scoreattempt-1) / count( $chapters);
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}
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$chnavigation = '';
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if ($previd) {
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$chnavigation .= '<a title="'.get_string('navprev', 'book').'" href="attempt.php?id='.$id.'&chapterid='.$previd.'"><img src="bookquiz/pix/nav_prev.gif" class="bigicon" alt="'.get_string('navprev', 'book').'"/></a>';
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} else {
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$chnavigation .= '<img src="pix/nav_prev_dis.gif" class="bigicon" alt="" />';
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}
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$nextbutton = '';
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if ($nextid) {
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if( !$showquestions){
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$chnavigation .= '<a title="'.get_string('navnext', 'book').'" href="attempt.php?id='.$id.'&chapterid='.$nextid.'"><img src="bookquiz/pix/nav_next.gif" class="bigicon" alt="'.get_string('navnext', 'book').'" ></a>';
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$nextbutton = '<center>';
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$nextbutton .= '<form name="form" method="get" action="attempt.php">';
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$nextbutton .= '<input type="hidden" name="id" value="'.$id.'" >'."\r\n";
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$nextbutton .= '<input type="hidden" name="chapterid" value="'.$nextid.'" >'."\r\n";
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$nextbutton .= '<input type="submit" value="'.get_string( 'continue').'">';
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$nextbutton .= '</center>';
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$showquestions = false;
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game_updateattempts_maxgrade( $game, $attempt, $scoreattempt, 0);
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}
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} else {
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game_updateattempts_maxgrade( $game, $attempt, 1, 0);
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$sec = '';
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if (! $cm = get_record("course_modules", "id", $id)) {
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error("Course Module ID was incorrect id=$id");
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}
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if ($section = get_record('course_sections', 'id', $cm->section)) {
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$sec = $section->section;
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}
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$chnavigation .= '<a title="'.get_string('navexit', 'book').'" href="../../course/attempt.php?id='.$game->course.'"><img src="bookquiz/pix/nav_exit.gif" class="bigicon" alt="'.get_string('navexit', 'book').'" /></a>';
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}
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require( 'toc.php');
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$tocwidth = '10%';
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?>
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<table border="0" cellspacing="0" width="100%" valign="top" cellpadding="2">
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<!-- subchapter title and upper navigation row //-->
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<tr>
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<td width="<?php echo 10;?>" valign="bottom">
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</td>
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<td valign="top">
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<table border="0" cellspacing="0" width="100%" valign="top" cellpadding="0">
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<tr>
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<td align="right"><?php echo $chnavigation ?></td>
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</tr>
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</table>
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</td>
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</tr>
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<!-- toc and chapter row //-->
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<tr>
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<td width="<?php echo $tocwidth ?>" valign="top" align="left">
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<?php
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print_box_start('generalbox');
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echo $toc;
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print_box_end();
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?>
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</td>
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<td valign="top" align="left">
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<?php
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print_box_start('generalbox');
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$content = '';
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if (!$book->customtitles) {
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if ($currsubtitle == ' ') {
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$content .= '<p class="book_chapter_title">'.$currtitle.'</p>';
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} else {
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$content .= '<p class="book_chapter_title">'.$currtitle.'<br />'.$currsubtitle.'</p>';
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}
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}
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$content .= $chapter->content;
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$nocleanoption = new object();
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$nocleanoption->noclean = true;
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echo '<div>';
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if( $nextbutton != ''){
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echo $nextbutton;
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}
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echo format_text($content, FORMAT_HTML, $nocleanoption, $id);
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if( $nextbutton != ''){
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echo $nextbutton;
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}
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echo '</div>';
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print_box_end();
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/// lower navigation
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echo '<p align="right">'.$chnavigation.'</p>';
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?>
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</td>
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</tr>
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</table>
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<?php
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if( $showquestions){
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game_bookquiz_showquestions( $id, $questionid, $chapter->id, $nextid, $scoreattempt, $game);
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}
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}
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function game_bookquiz_play_computelastchapter( $game, &$bookquiz)
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{
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$pagenum = get_field( 'book_chapters', 'min(pagenum) as p', 'bookid', $game->bookid);
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if( $pagenum){
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$bookquiz->lastchapterid = get_field( 'book_chapters', 'id', 'bookid', $game->bookid, 'pagenum', $pagenum);
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if( $bookquiz->lastchapterid){
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//update the data in table game_bookquiz
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if( (set_field( 'game_bookquiz', 'lastchapterid', $bookquiz->lastchapterid, 'id', $bookquiz->id)) == false){
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error( "Can't update table game_bookquiz with lastchapterid to $bookquiz->lastchapterid");
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}
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}
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}
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}
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function game_bookquiz_showquestions( $id, $questionid, $chapterid, $nextchapterid, $scoreattempt, $game)
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{
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$onlyshow = false;
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$showsolution = false;
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$questionlist = $questionid;
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$questions = game_sudoku_getquestions( $questionlist);
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global $CFG;
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/// Start the form
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echo "<form id=\"responseform\" method=\"post\" action=\"{$CFG->wwwroot}/mod/game/attempt.php\" onclick=\"this.autocomplete='off'\">\n";
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if( ($onlyshow === false) and ($showsolution === false)){
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echo "<center><input type=\"submit\" name=\"finishattempt\" value=\"".get_string('sudoku_submit', 'game')."\"></center>\n";
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}
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// Add a hidden field with the quiz id
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echo '<div>';
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echo '<input type="hidden" name="id" value="' . s($id) . "\" />\n";
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echo '<input type="hidden" name="action" value="bookquizcheck" />';
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echo '<input type="hidden" name="chapterid" value="'.$chapterid.'" />';
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echo '<input type="hidden" name="scoreattempt" value="'.$scoreattempt.'" />';
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echo '<input type="hidden" name="nextchapterid" value="'.$nextchapterid.'" />';
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/// Print all the questions
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// Add a hidden field with questionids
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echo '<input type="hidden" name="questionids" value="'.$questionlist."\" />\n";
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$number=0;
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foreach ($questions as $question) {
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global $QTYPES;
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unset( $cmoptions);
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$cmoptions->course = $game->course;
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$cmoptions->optionflags->optionflags = 0;
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$cmoptions->id = 0;
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$cmoptions->shuffleanswers = 1;
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$attempt = 0;
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if (!$QTYPES[$question->qtype]->create_session_and_responses( $question, $state, $cmoptions, $attempt)) {
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error( 'game_bookquiz_showquestions: problem');
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}
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$state->last_graded = new StdClass;
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$state->last_graded->event = QUESTION_EVENTOPEN;
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$state->event = QUESTION_EVENTOPEN;
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$options->scores->score = 0;
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$question->maxgrade = 100;
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$state->manualcomment = '';
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$cmoptions->optionflags = 0;
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$options->correct_responses = 0;
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$options->feedback = 0;
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$options->readonly = 0;
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if( $showsolution){
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$state->responses = $QTYPES[$question->qtype]->get_correct_responses($question, $state);
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}
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$number++;
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print_question($question, $state, $number, $cmoptions, $options);
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}
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echo "</div>";
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// Finish the form
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echo '</div>';
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if( ($onlyshow === false) and ($showsolution === false)){
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echo "<center><input type=\"submit\" name=\"finishattempt\" value=\"".get_string('sudoku_submit', 'game')."\"></center>\n";
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}
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echo "</form>\n";
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}
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function game_bookquiz_selectrandomquestion( $questions)
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{
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$categorylist = '';
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if( $questions == false){
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return 0;
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}
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foreach( $questions as $rec){
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$categorylist .= ',' . $rec->questioncategoryid;
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}
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$select = 'category in ('.substr( $categorylist, 1). ") AND qtype in ('shortanswer', 'truefalse', 'multichoice')";
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if( ($recs = get_records_select( 'question', $select, '', 'id,id')) == false){
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return 0;
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}
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$a = array();
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foreach( $recs as $rec){
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$a[ $rec->id] = $rec->id;
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}
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if( count( $a) == 0){
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return 0;
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}else
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{
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return array_rand( $a);
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}
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}
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function game_bookquiz_check_questions( $id, $game, $attempt, $bookquiz)
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{
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global $QTYPES, $CFG, $USER;
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$responses = data_submitted();
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$questionlist = $responses->questionids;
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$questions = game_sudoku_getquestions( $questionlist);
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$actions = question_extract_responses($questions, $responses, QUESTION_EVENTSUBMIT);
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$scorequestion = 0;
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$scoreattempt = 0;
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foreach($questions as $question) {
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if( !array_key_exists( $question->id, $actions)){
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//no answered
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continue;
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}
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unset( $state);
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unset( $cmoptions);
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$question->maxgrade = 100;
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$state->responses = $actions[ $question->id]->responses;
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$state->event = QUESTION_EVENTGRADE;
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$cmoptions = array();
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$QTYPES[$question->qtype]->grade_responses( $question, $state, $cmoptions);
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if( $state->raw_grade < 50){
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continue;
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}
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//found one correct answer
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$chapterid = $responses->chapterid;
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if( !get_field( 'game_bookquiz_chapters', 'id', 'attemptid', $attempt->id, 'chapterid', $chapterid))
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{
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unset( $newrec);
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$newrec->attemptid = $attempt->id;
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$newrec->chapterid = $chapterid;
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if( !insert_record( 'game_bookquiz_chapters', $newrec, false)){
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print_object( $newrec);
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error( "Can't insert to table game_bookquiz_chapters");
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}
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}
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//Have to go to next page.
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$bookquiz->lastchapterid = $responses->nextchapterid;
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if( !set_field( 'game_bookquiz', 'lastchapterid', $bookquiz->lastchapterid, 'id', $bookquiz->id)){
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error( "Can't compute next chapter");
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}
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$scorequestion = 1;
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$scoreattempt = required_param('scoreattempt', PARAM_INT);
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break;
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}
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$query->id = 0;
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$query->attemptid = $attempt->id;
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$query->gameid = $game->id;
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$query->userid = $USER->id;
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$query->sourcemodule = 'question';
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$query->questionid = $question->id;
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$query->glossaryentryid = 0;
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$query->questiontext = $question->questiontext;
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$query->timelastattempt = time();
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game_update_queries( $game, $attempt, $query, $scorequestion, '');
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game_updateattempts( $game, $attempt, $scoreattempt, 0);
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game_bookquiz_continue( $id, $game, $attempt, $bookquiz);
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}
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?>
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