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586 lines
21 KiB
586 lines
21 KiB
<?php
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/* For licensing terms, see /license.txt */
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/** @author hubert.borderiou **/
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if (!class_exists('Testcategory')):
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class Testcategory {
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public $id;
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public $name;
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public $description;
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/**
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* Constructor of the class Category
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* @author - Hubert Borderiou
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If you give an in_id and no in_name, you get info concerning the category of id=in_id
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otherwise, you've got an category objet avec your in_id, in_name, in_descr
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*/
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function Testcategory($in_id=0, $in_name = '', $in_description="") {
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if ($in_id != 0 && $in_name == "") {
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$tmpobj = new Testcategory();
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$tmpobj->getCategory($in_id);
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$this->id = $tmpobj->id;
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$this->name = $tmpobj->name;
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$this->description = $tmpobj->description;
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}
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else {
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$this->id = $in_id;
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$this->name = $in_name;
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$this->description = $in_description;
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}
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}
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/** return the Testcategory object with id=in_id
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*/
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function getCategory($in_id) {
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$t_cattable = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
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$in_id = Database::escape_string($in_id);
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$sql = "SELECT * FROM $t_cattable WHERE id=$in_id AND c_id=".api_get_course_int_id();
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$res = Database::query($sql);
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$numrows = Database::num_rows($res);
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if ($numrows > 0) {
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$row = Database::fetch_array($res);
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$this->id = $row['id'];
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$this->name = $row['title'];
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$this->description = $row['description'];
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}
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}
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/** add Testcategory in the database if name doesn't already exists
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*/
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function addCategoryInBDD() {
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$t_cattable = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
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$v_name = $this->name;
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$v_name = Database::escape_string($v_name);
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$v_description = $this->description;
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$v_description = Database::escape_string($v_description);
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// check if name already exists
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$sql_verif = "SELECT count(*) AS nb FROM $t_cattable WHERE title = '$v_name' AND c_id=".api_get_course_int_id();
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$result_verif = Database::query($sql_verif);
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$data_verif = Database::fetch_array($result_verif);
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// lets add in BDD if not the same name
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if ($data_verif['nb'] <= 0) {
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$c_id = api_get_course_int_id();
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$sql = "INSERT INTO $t_cattable VALUES ('$c_id', '', '$v_name', '$v_description')";
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$res = Database::query($sql);
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return true;
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}
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else {
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return false;
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}
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}
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/**
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* Removes the category with id=in_id from the database if no question use this category
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* @todo I'm removing the $in_id parameter because it seems that you're using $this->id instead of $in_id after confirmation delete this
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* jmontoya
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*/
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//function removeCategory($in_id) {
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function removeCategory() {
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$t_cattable = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
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$v_id = Database::escape_string($this->id);
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$sql = "DELETE FROM $t_cattable WHERE id=$v_id AND c_id=".api_get_course_int_id();
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$res = Database::query($sql);
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if (Database::affected_rows() <= 0) {
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return false;
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} else {
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return true;
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}
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}
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/** modify category name or description of category with id=in_id
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*/
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//function modifyCategory($in_id, $in_name, $in_description) {
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function modifyCategory() {
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$t_cattable = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
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$v_id = Database::escape_string($this->id);
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$v_name = Database::escape_string($this->name);
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$v_description = Database::escape_string($this->description);
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$sql = "UPDATE $t_cattable SET title='$v_name', description='$v_description' WHERE id='$v_id' AND c_id=".api_get_course_int_id();
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$res = Database::query($sql);
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if (Database::affected_rows() <= 0) {
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return false;
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}
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else {
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return true;
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}
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}
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/**
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* Gets the number of question of category id=in_id
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* @todo I'm removing the $in_id parameter because it seems that you're using $this->id instead of $in_id after confirmation delete this
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* jmontoya
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*/
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//function getCategoryQuestionsNumber($in_id) {
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function getCategoryQuestionsNumber() {
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$t_reltable = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
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$in_id = Database::escape_string($this->id);
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$sql = "SELECT count(*) AS nb FROM $t_reltable WHERE category_id=$in_id AND c_id=".api_get_course_int_id();
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$res = Database::query($sql);
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$row = Database::fetch_array($res);
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return $row['nb'];
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}
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function display($in_color="#E0EBF5") {
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echo "<textarea style='background-color:$in_color; width:60%; height:100px;'>";
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print_r($this);
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echo "</textarea>";
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}
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/** return an array of all Category objects in the database
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If in_field=="" Return an array of all category objects in the database
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Otherwise, return an array of all in_field value in the database (in_field = id or name or description)
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*/
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public static function getCategoryListInfo($in_field="", $in_courseid="") {
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if (empty($in_courseid) || $in_courseid=="") {
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$in_courseid = api_get_course_int_id();
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}
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$t_cattable = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
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$in_field = Database::escape_string($in_field);
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$tabres = array();
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if ($in_field=="") {
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$sql = "SELECT * FROM $t_cattable WHERE c_id=$in_courseid ORDER BY title ASC";
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$res = Database::query($sql);
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while ($row = Database::fetch_array($res)) {
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$tmpcat = new Testcategory($row['id'], $row['title'], $row['description']);
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$tabres[] = $tmpcat;
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}
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}
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else {
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$sql = "SELECT $in_field FROM $t_cattable WHERE c_id=$in_courseid ORDER BY $in_field ASC";
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$res = Database::query($sql);
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while ($row = Database::fetch_array($res)) {
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$tabres[] = $row[$in_field];
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}
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}
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return $tabres;
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}
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/**
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Return the testcategory id for question with question_id = $in_questionid
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In this version, a question has only 1 testcategory.
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Return the testcategory id, 0 if none
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*/
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public static function getCategoryForQuestion($in_questionid, $in_courseid = null) {
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$result = array(); // result
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if (empty($in_courseid) || $in_courseid=="") {
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$in_courseid = api_get_course_int_id();
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}
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$t_cattable = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
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$question_id = Database::escape_string($in_questionid);
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$sql = "SELECT category_id FROM $t_cattable WHERE question_id = '$question_id' AND c_id = $in_courseid";
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$res = Database::query($sql);
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if (Database::num_rows($res) > 0) {
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while ($row = Database::fetch_array($res)) {
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$result[] = $row['category_id'];
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}
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}
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return $result;
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}
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public static function getCategoryNamesForQuestion($in_questionid, $in_courseid = null, $display_into_labels = true) {
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$result = array(); // result
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if (empty($in_courseid) || $in_courseid=="") {
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$in_courseid = api_get_course_int_id();
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}
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$t_cattable = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
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$table_category = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
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$question_id = Database::escape_string($in_questionid);
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$sql = "SELECT c.title FROM $t_cattable qc INNER JOIN $table_category c
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ON (qc.category_id = c.id AND qc.c_id = $in_courseid AND c.c_id = $in_courseid)
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WHERE question_id = '$question_id' ";
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$res = Database::query($sql);
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if (Database::num_rows($res) > 0) {
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while ($row = Database::fetch_array($res)) {
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$result[] = $row['title'];
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}
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}
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if ($display_into_labels) {
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$html = self::draw_category_label($result, 'header');
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return $html;
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}
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return $result;
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}
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/**
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* true if question id has a category
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*/
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public static function isQuestionHasCategory($in_questionid) {
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$category_list = Testcategory::getCategoryForQuestion($in_questionid);
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if (!empty($category_list)) {
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return true;
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}
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return false;
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}
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/**
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* @todo fix this
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Return the category name for question with question_id = $in_questionid
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In this version, a question has only 1 category.
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Return the category id, "" if none
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*/
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public static function getCategoryNameForQuestion($question_id, $course_id = null) {
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if (empty($course_id) || $course_id == "") {
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$course_id = api_get_course_int_id();
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}
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$course_id = intval($course_id);
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$category_list = Testcategory::getCategoryForQuestion($question_id, $course_id);
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$result = array(); // result
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$t_cattable = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
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$catid = Database::escape_string($catid);
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$sql = "SELECT title FROM $t_cattable WHERE id='$catid' AND c_id = $course_id";
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$res = Database::query($sql);
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$data = Database::fetch_array($res);
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if (Database::num_rows($res) > 0) {
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$result = $data['title'];
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}
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return $result;
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}
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/**
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* return the list of differents categories ID for a test
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* input : test_id
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* return : array of category id (integer)
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* @author hubert.borderiou 07-04-2011, Julio Montoya
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*/
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public static function getListOfCategoriesIDForTest($exercise_id) {
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// parcourir les questions d'un test, recup les categories uniques dans un tableau
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$categories_in_exercise = array();
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$quiz = new Exercise();
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$quiz->read($exercise_id);
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$question_list = $quiz->selectQuestionList();
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// the array given by selectQuestionList start at indice 1 and not at indice 0 !!! ???
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for ($i=1; $i <= count($question_list); $i++) {
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$category_list = Testcategory::getCategoryForQuestion($question_list[$i]);
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if (!empty($category_list)) {
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$categories_in_exercise = array_merge($categories_in_exercise, $category_list);
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}
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}
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if (!empty($categories_in_exercise)) {
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$categories_in_exercise = array_unique(array_filter($categories_in_exercise));
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}
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return $categories_in_exercise;
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}
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/**
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* return the list of differents categories NAME for a test
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* input : test_id
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* return : array of string
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* hubert.borderiou 07-04-2011
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* @author function rewrote by jmontoya
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*/
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public static function getListOfCategoriesNameForTest($in_testid) {
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$tabcatName = array();
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$tabcatID = self::getListOfCategoriesIDForTest($in_testid);
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for ($i=0; $i < count($tabcatID); $i++) {
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$cat = new Testcategory($tabcatID[$i]);
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$tabcatName[$cat->id] = $cat->name;
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}
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return $tabcatName;
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}
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/**
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* return the number of differents categories for a test
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* input : test_id
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* return : integer
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* hubert.borderiou 07-04-2011
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*/
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public static function getNumberOfCategoriesForTest($in_testid) {
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return count(Testcategory::getListOfCategoriesIDForTest($in_testid));
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}
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/**
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* return the number of question of a category id in a test
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* input : test_id, category_id
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* return : integer
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* hubert.borderiou 07-04-2011
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*/
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public static function getNumberOfQuestionsInCategoryForTest($exercise_id, $category_id) {
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$number_questions_in_category = 0;
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$exercise = new Exercise();
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$exercise->read($exercise_id);
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$question_list = $exercise->selectQuestionList();
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// the array given by selectQuestionList start at indice 1 and not at indice 0 !!! ? ? ?
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for ($i=1; $i <= count($question_list); $i++) {
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$category_in_question = Testcategory::getCategoryForQuestion($question_list[$i]);
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if (in_array($category_id, $category_in_question)) {
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$number_questions_in_category++;
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}
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}
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return $number_questions_in_category;
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}
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/**
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* return the number of question for a test using random by category
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* input : test_id, number of random question (min 1)
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* hubert.borderiou 07-04-2011
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* question witout categories are not counted
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*/
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public static function getNumberOfQuestionRandomByCategory($exercise_id, $in_nbrandom) {
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$nbquestionresult = 0;
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$list_categories = Testcategory::getListOfCategoriesIDForTest($exercise_id);
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if (!empty($list_categories)) {
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for ($i=0; $i < count($list_categories); $i++) {
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if ($list_categories[$i] > 0) { // 0 = no category for this question
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$nbQuestionInThisCat = Testcategory::getNumberOfQuestionsInCategoryForTest($exercise_id, $list_categories[$i]);
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if ($nbQuestionInThisCat > $in_nbrandom) {
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$nbquestionresult += $in_nbrandom;
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} else {
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$nbquestionresult += $nbQuestionInThisCat;
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}
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}
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}
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}
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return $nbquestionresult;
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}
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/**
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* Return an array (id=>name)
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* tabresult[0] = get_lang('NoCategory');
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*
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*/
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static function getCategoriesIdAndName($in_courseid = "") {
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if (empty($in_courseid) || $in_courseid=="") {
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$in_courseid = api_get_course_int_id();
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}
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$tabcatobject = Testcategory::getCategoryListInfo("", $in_courseid);
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$tabresult = array("0"=>get_lang('NoCategorySelected'));
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for ($i=0; $i < count($tabcatobject); $i++) {
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$tabresult[$tabcatobject[$i]->id] = $tabcatobject[$i]->name;
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}
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return $tabresult;
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}
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/**
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* return an array of question_id for each category
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* tabres[0] = array of question id with category id = 0 (i.e. no category)
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* tabres[24] = array of question id with category id = 24
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* In this version, a question has 0 or 1 category
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*/
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static function getQuestionsByCat($in_exerciceId) {
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$tabres = array();
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$TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
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$TBL_QUESTION_REL_CATEGORY = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
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$in_exerciceId = intval($in_exerciceId);
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$sql = "SELECT qrc.question_id, qrc.category_id FROM $TBL_QUESTION_REL_CATEGORY qrc, $TBL_EXERCICE_QUESTION eq
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WHERE exercice_id=$in_exerciceId AND eq.question_id=qrc.question_id AND eq.c_id=".api_get_course_int_id()." AND eq.c_id=qrc.c_id ORDER BY category_id, question_id";
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$res = Database::query($sql);
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while ($data = Database::fetch_array($res)) {
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if (!is_array($tabres[$data['category_id']])) {
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$tabres[$data['category_id']] = array();
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}
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$tabres[$data['category_id']][] = $data['question_id'];
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}
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return $tabres;
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}
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/**
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* return a tab of $in_number random elements of $in_tab
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*/
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static function getNElementsFromArray($in_tab, $in_number) {
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$tabres = $in_tab;
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shuffle($tabres);
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if ($in_number < count($tabres)) {
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$tabres = array_slice($tabres, 0, $in_number);
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}
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return $tabres;
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}
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/**
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* Display signs [+] and/or (>0) after question title if question has options
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* scoreAlwaysPositive and/or uncheckedMayScore
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*/
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function displayQuestionOption($in_objQuestion) {
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if ($in_objQuestion->type == MULTIPLE_ANSWER && $in_objQuestion->scoreAlwaysPositive) {
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echo "<span style='font-size:75%'> (>0)</span>";
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}
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if ($in_objQuestion->type == MULTIPLE_ANSWER && $in_objQuestion->uncheckedMayScore) {
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echo "<span style='font-size:75%'> [+]</span>";
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}
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}
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/**
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* sortTabByBracketLabel ($tabCategoryQuestions)
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* key of $tabCategoryQuestions are the categopy id (0 for not in a category)
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* value is the array of question id of this category
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* Sort question by Category
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*/
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static function sortTabByBracketLabel($in_tab) {
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$tabResult = array();
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$tabCatName = array(); // tab of category name
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while (list($cat_id, $tabquestion) = each($in_tab)) {
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$catTitle = new Testcategory($cat_id);
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$tabCatName[$cat_id] = $catTitle->name;
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}
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reset($in_tab);
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// sort table by value, keeping keys as they are
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asort($tabCatName);
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// keys of $tabCatName are keys order for $in_tab
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while (list($key, $val) = each($tabCatName)) {
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$tabResult[$key] = $in_tab[$key];
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}
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return $tabResult;
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}
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/**
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* return total score for test exe_id for all question in the category $in_cat_id for user
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* If no question for this category, return ""
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*/
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public static function getCatScoreForExeidForUserid($in_cat_id, $in_exe_id, $in_user_id) {
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$tbl_track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
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$tbl_question_rel_category = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
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$in_cat_id = intval($in_cat_id);
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$in_exe_id = intval($in_exe_id);
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$in_user_id = intval($in_user_id);
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$query = "SELECT DISTINCT marks, exe_id, user_id, ta.question_id, category_id FROM $tbl_track_attempt ta , $tbl_question_rel_category qrc
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WHERE ta.question_id=qrc.question_id AND qrc.category_id=$in_cat_id AND exe_id=$in_exe_id AND user_id=$in_user_id";
|
|
$res = Database::query($query);
|
|
$totalcatscore = "";
|
|
while ($data = Database::fetch_array($res)) {
|
|
$totalcatscore += $data['marks'];
|
|
}
|
|
return $totalcatscore;
|
|
}
|
|
|
|
|
|
/**
|
|
* return the number max of question in a category
|
|
* count the number of questions in all categories, and return the max
|
|
* @author - hubert borderiou
|
|
*/
|
|
public static function getNumberMaxQuestionByCat($in_testid) {
|
|
$res_num_max = 0;
|
|
// foreach question
|
|
$tabcatid = Testcategory::getListOfCategoriesIDForTest($in_testid);
|
|
for ($i=0; $i < count($tabcatid); $i++) {
|
|
if ($tabcatid[$i] > 0) { // 0 = no category for this question
|
|
$nbQuestionInThisCat = Testcategory::getNumberOfQuestionsInCategoryForTest($in_testid, $tabcatid[$i]);
|
|
if ($nbQuestionInThisCat > $res_num_max) {
|
|
$res_num_max = $nbQuestionInThisCat;
|
|
}
|
|
}
|
|
}
|
|
return $res_num_max;
|
|
}
|
|
|
|
public static function getCategoryListName($course_id = null) {
|
|
$category_list = self::getCategoryListInfo(null, $course_id);
|
|
$category_name_list = array();
|
|
if (!empty($category_list)) {
|
|
foreach($category_list as $category) {
|
|
$category_name_list[$category->id] = $category->name;
|
|
}
|
|
}
|
|
return $category_name_list;
|
|
}
|
|
|
|
public static function return_category_labels($category_list, $all_categories) {
|
|
$category_list_to_render = array();
|
|
foreach ($category_list as $category_id) {
|
|
$category_name = null;
|
|
if (!isset($all_categories[$category_id])) {
|
|
$category_name = get_lang('Untitled');
|
|
} else {
|
|
$category_name = Text::cut($all_categories[$category_id], 15);
|
|
}
|
|
$category_list_to_render[] = $category_name;
|
|
}
|
|
$html = self::draw_category_label($category_list_to_render, 'label');
|
|
return $html;
|
|
}
|
|
|
|
static function draw_category_label($category_list, $type = 'label') {
|
|
$new_category_list = array();
|
|
foreach ($category_list as $category_name) {
|
|
switch ($type) {
|
|
case 'label':
|
|
$new_category_list[] = Display::label($category_name, 'info');
|
|
break;
|
|
case 'header':
|
|
$new_category_list[] = $category_name;
|
|
break;
|
|
}
|
|
}
|
|
|
|
$html = null;
|
|
if (!empty($new_category_list)) {
|
|
switch ($type) {
|
|
case 'label':
|
|
$html = implode(' ', $new_category_list);
|
|
break;
|
|
case 'header':
|
|
$html = Display::page_subheader3(get_lang('Category').': '.implode(', ', $new_category_list));
|
|
}
|
|
}
|
|
return $html;
|
|
}
|
|
|
|
/**
|
|
* Returns a category summary report
|
|
* @params int exercise id
|
|
* @params array prefilled array with the category_id, score, and weight example: array(1 => array('score' => '10', 'total' => 20));
|
|
*/
|
|
public static function get_stats_table_by_attempt($exercise_id, $category_list = array()) {
|
|
if (empty($category_list)) {
|
|
return null;
|
|
}
|
|
$category_name_list = Testcategory::getListOfCategoriesNameForTest($exercise_id);
|
|
|
|
$table = new HTML_Table(array('class' => 'data_table'));
|
|
$table->setHeaderContents(0, 0, get_lang('Categories'));
|
|
$table->setHeaderContents(0, 1, get_lang('AbsoluteScore'));
|
|
$table->setHeaderContents(0, 2, get_lang('RelativeScore'));
|
|
$row = 1;
|
|
|
|
$none_category = array();
|
|
if (isset($category_list['none'])) {
|
|
$none_category = $category_list['none'];
|
|
unset($category_list['none']);
|
|
}
|
|
|
|
$total = array();
|
|
if (isset($category_list['total'])) {
|
|
$total = $category_list['total'];
|
|
unset($category_list['total']);
|
|
}
|
|
if (count($category_list) > 1) {
|
|
foreach ($category_list as $category_id => $category_item) {
|
|
$table->setCellContents($row, 0, $category_name_list[$category_id]);
|
|
$table->setCellContents($row, 1, show_score($category_item['score'], $category_item['total'], false));
|
|
$table->setCellContents($row, 2, show_score($category_item['score'], $category_item['total'], true, false, true));
|
|
$row++;
|
|
}
|
|
|
|
if (!empty($none_category)) {
|
|
$table->setCellContents($row, 0, get_lang('None'));
|
|
$table->setCellContents($row, 1, show_score($none_category['score'], $none_category['total'], false));
|
|
$table->setCellContents($row, 2, show_score($none_category['score'], $none_category['total'], true, false, true));
|
|
$row++;
|
|
}
|
|
if (!empty($total)) {
|
|
$table->setCellContents($row, 0, get_lang('Total'));
|
|
$table->setCellContents($row, 1, show_score($total['score'], $total['total'], false));
|
|
$table->setCellContents($row, 2, show_score($total['score'], $total['total'], true, false, true));
|
|
}
|
|
return $table->toHtml();
|
|
}
|
|
return null;
|
|
}
|
|
|
|
|
|
|
|
}
|
|
endif; |