123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586 |
- <?php
- /* For licensing terms, see /license.txt */
- /** @author hubert.borderiou **/
- if (!class_exists('Testcategory')):
- class Testcategory {
- public $id;
- public $name;
- public $description;
- /**
- * Constructor of the class Category
- * @author - Hubert Borderiou
- If you give an in_id and no in_name, you get info concerning the category of id=in_id
- otherwise, you've got an category objet avec your in_id, in_name, in_descr
- */
- function Testcategory($in_id=0, $in_name = '', $in_description="") {
- if ($in_id != 0 && $in_name == "") {
- $tmpobj = new Testcategory();
- $tmpobj->getCategory($in_id);
- $this->id = $tmpobj->id;
- $this->name = $tmpobj->name;
- $this->description = $tmpobj->description;
- }
- else {
- $this->id = $in_id;
- $this->name = $in_name;
- $this->description = $in_description;
- }
- }
- /** return the Testcategory object with id=in_id
- */
- function getCategory($in_id) {
- $t_cattable = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
- $in_id = Database::escape_string($in_id);
- $sql = "SELECT * FROM $t_cattable WHERE id=$in_id AND c_id=".api_get_course_int_id();
- $res = Database::query($sql);
- $numrows = Database::num_rows($res);
- if ($numrows > 0) {
- $row = Database::fetch_array($res);
- $this->id = $row['id'];
- $this->name = $row['title'];
- $this->description = $row['description'];
- }
- }
- /** add Testcategory in the database if name doesn't already exists
- */
- function addCategoryInBDD() {
- $t_cattable = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
- $v_name = $this->name;
- $v_name = Database::escape_string($v_name);
- $v_description = $this->description;
- $v_description = Database::escape_string($v_description);
- // check if name already exists
- $sql_verif = "SELECT count(*) AS nb FROM $t_cattable WHERE title = '$v_name' AND c_id=".api_get_course_int_id();
- $result_verif = Database::query($sql_verif);
- $data_verif = Database::fetch_array($result_verif);
- // lets add in BDD if not the same name
- if ($data_verif['nb'] <= 0) {
- $c_id = api_get_course_int_id();
- $sql = "INSERT INTO $t_cattable VALUES ('$c_id', '', '$v_name', '$v_description')";
- $res = Database::query($sql);
- return true;
- }
- else {
- return false;
- }
- }
- /**
- * Removes the category with id=in_id from the database if no question use this category
- * @todo I'm removing the $in_id parameter because it seems that you're using $this->id instead of $in_id after confirmation delete this
- * jmontoya
- */
- //function removeCategory($in_id) {
- function removeCategory() {
- $t_cattable = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
- $v_id = Database::escape_string($this->id);
- $sql = "DELETE FROM $t_cattable WHERE id=$v_id AND c_id=".api_get_course_int_id();
- $res = Database::query($sql);
- if (Database::affected_rows() <= 0) {
- return false;
- } else {
- return true;
- }
- }
- /** modify category name or description of category with id=in_id
- */
- //function modifyCategory($in_id, $in_name, $in_description) {
- function modifyCategory() {
- $t_cattable = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
- $v_id = Database::escape_string($this->id);
- $v_name = Database::escape_string($this->name);
- $v_description = Database::escape_string($this->description);
- $sql = "UPDATE $t_cattable SET title='$v_name', description='$v_description' WHERE id='$v_id' AND c_id=".api_get_course_int_id();
- $res = Database::query($sql);
- if (Database::affected_rows() <= 0) {
- return false;
- }
- else {
- return true;
- }
- }
- /**
- * Gets the number of question of category id=in_id
- * @todo I'm removing the $in_id parameter because it seems that you're using $this->id instead of $in_id after confirmation delete this
- * jmontoya
- */
- //function getCategoryQuestionsNumber($in_id) {
- function getCategoryQuestionsNumber() {
- $t_reltable = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
- $in_id = Database::escape_string($this->id);
- $sql = "SELECT count(*) AS nb FROM $t_reltable WHERE category_id=$in_id AND c_id=".api_get_course_int_id();
- $res = Database::query($sql);
- $row = Database::fetch_array($res);
- return $row['nb'];
- }
- function display($in_color="#E0EBF5") {
- echo "<textarea style='background-color:$in_color; width:60%; height:100px;'>";
- print_r($this);
- echo "</textarea>";
- }
- /** return an array of all Category objects in the database
- If in_field=="" Return an array of all category objects in the database
- Otherwise, return an array of all in_field value in the database (in_field = id or name or description)
- */
- public static function getCategoryListInfo($in_field="", $in_courseid="") {
- if (empty($in_courseid) || $in_courseid=="") {
- $in_courseid = api_get_course_int_id();
- }
- $t_cattable = Database :: get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
- $in_field = Database::escape_string($in_field);
- $tabres = array();
- if ($in_field=="") {
- $sql = "SELECT * FROM $t_cattable WHERE c_id=$in_courseid ORDER BY title ASC";
- $res = Database::query($sql);
- while ($row = Database::fetch_array($res)) {
- $tmpcat = new Testcategory($row['id'], $row['title'], $row['description']);
- $tabres[] = $tmpcat;
- }
- }
- else {
- $sql = "SELECT $in_field FROM $t_cattable WHERE c_id=$in_courseid ORDER BY $in_field ASC";
- $res = Database::query($sql);
- while ($row = Database::fetch_array($res)) {
- $tabres[] = $row[$in_field];
- }
- }
- return $tabres;
- }
- /**
- Return the testcategory id for question with question_id = $in_questionid
- In this version, a question has only 1 testcategory.
- Return the testcategory id, 0 if none
- */
- public static function getCategoryForQuestion($in_questionid, $in_courseid = null) {
- $result = array(); // result
- if (empty($in_courseid) || $in_courseid=="") {
- $in_courseid = api_get_course_int_id();
- }
- $t_cattable = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
- $question_id = Database::escape_string($in_questionid);
- $sql = "SELECT category_id FROM $t_cattable WHERE question_id = '$question_id' AND c_id = $in_courseid";
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- while ($row = Database::fetch_array($res)) {
- $result[] = $row['category_id'];
- }
- }
- return $result;
- }
- public static function getCategoryNamesForQuestion($in_questionid, $in_courseid = null, $display_into_labels = true) {
- $result = array(); // result
- if (empty($in_courseid) || $in_courseid=="") {
- $in_courseid = api_get_course_int_id();
- }
- $t_cattable = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
- $table_category = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
- $question_id = Database::escape_string($in_questionid);
- $sql = "SELECT c.title FROM $t_cattable qc INNER JOIN $table_category c
- ON (qc.category_id = c.id AND qc.c_id = $in_courseid AND c.c_id = $in_courseid)
- WHERE question_id = '$question_id' ";
- $res = Database::query($sql);
- if (Database::num_rows($res) > 0) {
- while ($row = Database::fetch_array($res)) {
- $result[] = $row['title'];
- }
- }
- if ($display_into_labels) {
- $html = self::draw_category_label($result, 'header');
- return $html;
- }
- return $result;
- }
- /**
- * true if question id has a category
- */
- public static function isQuestionHasCategory($in_questionid) {
- $category_list = Testcategory::getCategoryForQuestion($in_questionid);
- if (!empty($category_list)) {
- return true;
- }
- return false;
- }
- /**
- * @todo fix this
- Return the category name for question with question_id = $in_questionid
- In this version, a question has only 1 category.
- Return the category id, "" if none
- */
- public static function getCategoryNameForQuestion($question_id, $course_id = null) {
- if (empty($course_id) || $course_id == "") {
- $course_id = api_get_course_int_id();
- }
- $course_id = intval($course_id);
- $category_list = Testcategory::getCategoryForQuestion($question_id, $course_id);
- $result = array(); // result
- $t_cattable = Database::get_course_table(TABLE_QUIZ_QUESTION_CATEGORY);
- $catid = Database::escape_string($catid);
- $sql = "SELECT title FROM $t_cattable WHERE id='$catid' AND c_id = $course_id";
- $res = Database::query($sql);
- $data = Database::fetch_array($res);
- if (Database::num_rows($res) > 0) {
- $result = $data['title'];
- }
- return $result;
- }
- /**
- * return the list of differents categories ID for a test
- * input : test_id
- * return : array of category id (integer)
- * @author hubert.borderiou 07-04-2011, Julio Montoya
- */
- public static function getListOfCategoriesIDForTest($exercise_id) {
- // parcourir les questions d'un test, recup les categories uniques dans un tableau
- $categories_in_exercise = array();
- $quiz = new Exercise();
- $quiz->read($exercise_id);
- $question_list = $quiz->selectQuestionList();
- // the array given by selectQuestionList start at indice 1 and not at indice 0 !!! ???
- for ($i=1; $i <= count($question_list); $i++) {
- $category_list = Testcategory::getCategoryForQuestion($question_list[$i]);
- if (!empty($category_list)) {
- $categories_in_exercise = array_merge($categories_in_exercise, $category_list);
- }
- }
- if (!empty($categories_in_exercise)) {
- $categories_in_exercise = array_unique(array_filter($categories_in_exercise));
- }
- return $categories_in_exercise;
- }
- /**
- * return the list of differents categories NAME for a test
- * input : test_id
- * return : array of string
- * hubert.borderiou 07-04-2011
- * @author function rewrote by jmontoya
- */
- public static function getListOfCategoriesNameForTest($in_testid) {
- $tabcatName = array();
- $tabcatID = self::getListOfCategoriesIDForTest($in_testid);
- for ($i=0; $i < count($tabcatID); $i++) {
- $cat = new Testcategory($tabcatID[$i]);
- $tabcatName[$cat->id] = $cat->name;
- }
- return $tabcatName;
- }
- /**
- * return the number of differents categories for a test
- * input : test_id
- * return : integer
- * hubert.borderiou 07-04-2011
- */
- public static function getNumberOfCategoriesForTest($in_testid) {
- return count(Testcategory::getListOfCategoriesIDForTest($in_testid));
- }
- /**
- * return the number of question of a category id in a test
- * input : test_id, category_id
- * return : integer
- * hubert.borderiou 07-04-2011
- */
- public static function getNumberOfQuestionsInCategoryForTest($exercise_id, $category_id) {
- $number_questions_in_category = 0;
- $exercise = new Exercise();
- $exercise->read($exercise_id);
- $question_list = $exercise->selectQuestionList();
- // the array given by selectQuestionList start at indice 1 and not at indice 0 !!! ? ? ?
- for ($i=1; $i <= count($question_list); $i++) {
- $category_in_question = Testcategory::getCategoryForQuestion($question_list[$i]);
- if (in_array($category_id, $category_in_question)) {
- $number_questions_in_category++;
- }
- }
- return $number_questions_in_category;
- }
- /**
- * return the number of question for a test using random by category
- * input : test_id, number of random question (min 1)
- * hubert.borderiou 07-04-2011
- * question witout categories are not counted
- */
- public static function getNumberOfQuestionRandomByCategory($exercise_id, $in_nbrandom) {
- $nbquestionresult = 0;
- $list_categories = Testcategory::getListOfCategoriesIDForTest($exercise_id);
- if (!empty($list_categories)) {
- for ($i=0; $i < count($list_categories); $i++) {
- if ($list_categories[$i] > 0) { // 0 = no category for this question
- $nbQuestionInThisCat = Testcategory::getNumberOfQuestionsInCategoryForTest($exercise_id, $list_categories[$i]);
- if ($nbQuestionInThisCat > $in_nbrandom) {
- $nbquestionresult += $in_nbrandom;
- } else {
- $nbquestionresult += $nbQuestionInThisCat;
- }
- }
- }
- }
- return $nbquestionresult;
- }
- /**
- * Return an array (id=>name)
- * tabresult[0] = get_lang('NoCategory');
- *
- */
- static function getCategoriesIdAndName($in_courseid = "") {
- if (empty($in_courseid) || $in_courseid=="") {
- $in_courseid = api_get_course_int_id();
- }
- $tabcatobject = Testcategory::getCategoryListInfo("", $in_courseid);
- $tabresult = array("0"=>get_lang('NoCategorySelected'));
- for ($i=0; $i < count($tabcatobject); $i++) {
- $tabresult[$tabcatobject[$i]->id] = $tabcatobject[$i]->name;
- }
- return $tabresult;
- }
- /**
- * return an array of question_id for each category
- * tabres[0] = array of question id with category id = 0 (i.e. no category)
- * tabres[24] = array of question id with category id = 24
- * In this version, a question has 0 or 1 category
- */
- static function getQuestionsByCat($in_exerciceId) {
- $tabres = array();
- $TBL_EXERCICE_QUESTION = Database::get_course_table(TABLE_QUIZ_TEST_QUESTION);
- $TBL_QUESTION_REL_CATEGORY = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
- $in_exerciceId = intval($in_exerciceId);
- $sql = "SELECT qrc.question_id, qrc.category_id FROM $TBL_QUESTION_REL_CATEGORY qrc, $TBL_EXERCICE_QUESTION eq
- WHERE exercice_id=$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";
- $res = Database::query($sql);
- while ($data = Database::fetch_array($res)) {
- if (!is_array($tabres[$data['category_id']])) {
- $tabres[$data['category_id']] = array();
- }
- $tabres[$data['category_id']][] = $data['question_id'];
- }
- return $tabres;
- }
- /**
- * return a tab of $in_number random elements of $in_tab
- */
- static function getNElementsFromArray($in_tab, $in_number) {
- $tabres = $in_tab;
- shuffle($tabres);
- if ($in_number < count($tabres)) {
- $tabres = array_slice($tabres, 0, $in_number);
- }
- return $tabres;
- }
- /**
- * Display signs [+] and/or (>0) after question title if question has options
- * scoreAlwaysPositive and/or uncheckedMayScore
- */
- function displayQuestionOption($in_objQuestion) {
- if ($in_objQuestion->type == MULTIPLE_ANSWER && $in_objQuestion->scoreAlwaysPositive) {
- echo "<span style='font-size:75%'> (>0)</span>";
- }
- if ($in_objQuestion->type == MULTIPLE_ANSWER && $in_objQuestion->uncheckedMayScore) {
- echo "<span style='font-size:75%'> [+]</span>";
- }
- }
- /**
- * sortTabByBracketLabel ($tabCategoryQuestions)
- * key of $tabCategoryQuestions are the categopy id (0 for not in a category)
- * value is the array of question id of this category
- * Sort question by Category
- */
- static function sortTabByBracketLabel($in_tab) {
- $tabResult = array();
- $tabCatName = array(); // tab of category name
- while (list($cat_id, $tabquestion) = each($in_tab)) {
- $catTitle = new Testcategory($cat_id);
- $tabCatName[$cat_id] = $catTitle->name;
- }
- reset($in_tab);
- // sort table by value, keeping keys as they are
- asort($tabCatName);
- // keys of $tabCatName are keys order for $in_tab
- while (list($key, $val) = each($tabCatName)) {
- $tabResult[$key] = $in_tab[$key];
- }
- return $tabResult;
- }
- /**
- * return total score for test exe_id for all question in the category $in_cat_id for user
- * If no question for this category, return ""
- */
- public static function getCatScoreForExeidForUserid($in_cat_id, $in_exe_id, $in_user_id) {
- $tbl_track_attempt = Database::get_statistic_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
- $tbl_question_rel_category = Database::get_course_table(TABLE_QUIZ_QUESTION_REL_CATEGORY);
- $in_cat_id = intval($in_cat_id);
- $in_exe_id = intval($in_exe_id);
- $in_user_id = intval($in_user_id);
- $query = "SELECT DISTINCT marks, exe_id, user_id, ta.question_id, category_id FROM $tbl_track_attempt ta , $tbl_question_rel_category qrc
- WHERE ta.question_id=qrc.question_id AND qrc.category_id=$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;
|