123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622 |
- <?php
- /* For licensing terms, see /license.txt */
- /**
- * This file contains a class used like library provides functions for auth tool. It's also used like model to courses_controller (MVC pattern)
- * @author Christian Fasanando <christian1827@gmail.com>
- * @package chamilo.auth
- */
- /**
- * Code
- */
- require_once api_get_path(LIBRARY_PATH).'tracking.lib.php';
- /**
- * Auth can be used to instanciate objects or as a library to manage courses
- * @package chamilo.auth
- */
- class Auth
- {
- /**
- * Constructor
- */
- public function __construct() {}
-
- /**
- * retrieves all the courses that the user has already subscribed to
- * @param int User id
- * @return array an array containing all the information of the courses of the given user
- */
- public function get_courses_of_user($user_id) {
- $TABLECOURS = Database::get_main_table(TABLE_MAIN_COURSE);
- $TABLECOURSUSER = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $TABLE_COURSE_FIELD = Database::get_main_table(TABLE_MAIN_COURSE_FIELD);
- $TABLE_COURSE_FIELD_VALUE = Database::get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
- // get course list auto-register
- $sql = "SELECT course_code FROM $TABLE_COURSE_FIELD_VALUE tcfv INNER JOIN $TABLE_COURSE_FIELD tcf ON " .
- " tcfv.field_id = tcf.id WHERE tcf.field_variable = 'special_course' AND tcfv.field_value = 1 ";
- $special_course_result = Database::query($sql);
- if (Database::num_rows($special_course_result)>0) {
- $special_course_list = array();
- while ($result_row = Database::fetch_array($special_course_result)) {
- $special_course_list[] = '"'.$result_row['course_code'].'"';
- }
- }
- $without_special_courses = '';
- if (!empty($special_course_list)) {
- $without_special_courses = ' AND course.code NOT IN ('.implode(',',$special_course_list).')';
- }
- // Secondly we select the courses that are in a category (user_course_cat<>0) and sort these according to the sort of the category
- $user_id = intval($user_id);
- $sql_select_courses = "SELECT course.code k, course.visual_code vc, course.subscribe subscr, course.unsubscribe unsubscr,
- course.title i, course.tutor_name t, course.db_name db, course.directory dir, course_rel_user.status status,
- course_rel_user.sort sort, course_rel_user.user_course_cat user_course_cat
- FROM $TABLECOURS course, $TABLECOURSUSER course_rel_user
- WHERE course.code = course_rel_user.course_code
- AND course_rel_user.relation_type<>".COURSE_RELATION_TYPE_RRHH."
- AND course_rel_user.user_id = '".$user_id."' $without_special_courses
- ORDER BY course_rel_user.sort ASC";
- $result = Database::query($sql_select_courses);
- while ($row = Database::fetch_array($result)) {
- //we only need the database name of the course
- $courses[] = array('db' => $row['db'], 'code' => $row['k'], 'visual_code' => $row['vc'], 'title' => $row['i'], 'directory' => $row['dir'], 'status' => $row['status'], 'tutor' => $row['t'], 'subscribe' => $row['subscr'], 'unsubscribe' => $row['unsubscr'], 'sort' => $row['sort'], 'user_course_category' => $row['user_course_cat']);
- }
- return $courses;
- }
- /**
- * retrieves the user defined course categories
- * @return array containing all the IDs of the user defined courses categories, sorted by the "sort" field
- */
- public function get_user_course_categories() {
- $user_id = api_get_user_id();
- $table_category = Database::get_user_personal_table(TABLE_USER_COURSE_CATEGORY);
- $sql = "SELECT * FROM ".$table_category." WHERE user_id=$user_id ORDER BY sort ASC";
- $result = Database::query($sql);
- $output = array();
- while ($row = Database::fetch_array($result)) {
- $output[] = $row;
- }
- return $output;
- }
- /**
- * This function get all the courses in the particular user category;
- * @param int User category id
- * @return string: the name of the user defined course category
- */
- public function get_courses_in_category() {
- $user_id = api_get_user_id();
- // table definitions
- $TABLECOURS = Database::get_main_table(TABLE_MAIN_COURSE);
- $TABLECOURSUSER = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $TABLE_USER_COURSE_CATEGORY = Database::get_user_personal_table(TABLE_USER_COURSE_CATEGORY);
- $TABLE_COURSE_FIELD = Database :: get_main_table(TABLE_MAIN_COURSE_FIELD);
- $TABLE_COURSE_FIELD_VALUE = Database :: get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
- // get course list auto-register
- $sql = "SELECT course_code FROM $TABLE_COURSE_FIELD_VALUE tcfv INNER JOIN $TABLE_COURSE_FIELD tcf ON " .
- " tcfv.field_id = tcf.id WHERE tcf.field_variable = 'special_course' AND tcfv.field_value = 1 ";
- $special_course_result = Database::query($sql);
- if(Database::num_rows($special_course_result)>0) {
- $special_course_list = array();
- while ($result_row = Database::fetch_array($special_course_result)) {
- $special_course_list[] = '"'.$result_row['course_code'].'"';
- }
- }
- $without_special_courses = '';
- if (!empty($special_course_list)) {
- $without_special_courses = ' AND course.code NOT IN ('.implode(',',$special_course_list).')';
- }
- $sql_select_courses = "SELECT course.code, course.visual_code, course.subscribe subscr, course.unsubscribe unsubscr,
- course.title title, course.tutor_name tutor, course.db_name, course.directory, course_rel_user.status status,
- course_rel_user.sort sort, course_rel_user.user_course_cat user_course_cat
- FROM $TABLECOURS course,
- $TABLECOURSUSER course_rel_user
- WHERE course.code = course_rel_user.course_code
- AND course_rel_user.user_id = '".$user_id."'
- AND course_rel_user.relation_type <> ".COURSE_RELATION_TYPE_RRHH."
- $without_special_courses
- ORDER BY course_rel_user.user_course_cat, course_rel_user.sort ASC";
- $result = Database::query($sql_select_courses);
- $number_of_courses = Database::num_rows($result);
- $data = array();
- while ($course = Database::fetch_array($result)) {
- $data[$course['user_course_cat']][] = $course;
- }
- return $data;
- }
- /**
- * stores the changes in a course category (moving a course to a different course category)
- * @param string Course code
- * @param int Category id
- * @return bool True if it success
- */
- public function store_changecoursecategory($course_code, $newcategory) {
- $course_code = Database::escape_string($course_code);
- $newcategory = intval($newcategory);
- $current_user = api_get_user_id();
- $result = false;
- $TABLECOURSUSER = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $max_sort_value = api_max_sort_value($newcategory, $current_user); // max_sort_value($newcategory);
- Database::query("UPDATE $TABLECOURSUSER SET user_course_cat='".$newcategory."', sort='".($max_sort_value + 1)."' WHERE course_code='".$course_code."' AND user_id='".$current_user."' AND relation_type<>".COURSE_RELATION_TYPE_RRHH." ");
- if (Database::affected_rows()) { $result = true; }
- return $result;
- }
- /**
- * moves the course one place up or down
- * @param string Direction (up/down)
- * @param string Course code
- * @param int Category id
- * @return bool True if it success
- */
- public function move_course($direction, $course2move, $category) {
- // definition of tables
- $TABLECOURSUSER = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $current_user_id = api_get_user_id();
- $all_user_courses = $this->get_courses_of_user($current_user_id);
- $result = false;
- // we need only the courses of the category we are moving in
- $user_courses = array();
- foreach ($all_user_courses as $key => $course) {
- if ($course['user_course_category'] == $category) {
- $user_courses[] = $course;
- }
- }
- foreach ($user_courses as $key => $course) {
- if ($course2move == $course['code']) {
- // source_course is the course where we clicked the up or down icon
- $source_course = $course;
- // target_course is the course before/after the source_course (depending on the up/down icon)
- if ($direction == 'up') {
- $target_course = $user_courses[$key - 1];
- } else {
- $target_course = $user_courses[$key + 1];
- }
- }
- }
- if (count($target_course) > 0 && count($source_course) > 0) {
- $sql_update1 = "UPDATE $TABLECOURSUSER SET sort='".$target_course['sort']."' WHERE course_code='".$source_course['code']."' AND user_id='".$current_user_id."' AND relation_type<>".COURSE_RELATION_TYPE_RRHH." ";
- $sql_update2 = "UPDATE $TABLECOURSUSER SET sort='".$source_course['sort']."' WHERE course_code='".$target_course['code']."' AND user_id='".$current_user_id."' AND relation_type<>".COURSE_RELATION_TYPE_RRHH." ";
- Database::query($sql_update2);
- Database::query($sql_update1);
- if (Database::affected_rows()) { $result = true; }
- }
- return $result;
- }
- /**
- * Moves the course one place up or down
- * @param string Direction up/down
- * @param string Category id
- * @return bool True If it success
- */
- public function move_category($direction, $category2move) {
- // the database definition of the table that stores the user defined course categories
- $table_user_defined_category = Database::get_user_personal_table(TABLE_USER_COURSE_CATEGORY);
- $current_user_id = api_get_user_id();
- $user_coursecategories = $this->get_user_course_categories();
- $user_course_categories_info = $this->get_user_course_categories_info();
- $result = false;
- foreach ($user_coursecategories as $key => $category) {
- $category_id = $category['id'];
- if ($category2move == $category_id) {
- // source_course is the course where we clicked the up or down icon
- $source_category = $user_course_categories_info[$category2move];
- // target_course is the course before/after the source_course (depending on the up/down icon)
- if ($direction == 'up') {
- $target_category = $user_course_categories_info[$user_coursecategories[$key - 1]['id']];
- } else {
- $target_category = $user_course_categories_info[$user_coursecategories[$key + 1]['id']];
- }
- }
- }
- if (count($target_category) > 0 && count($source_category) > 0) {
- $sql_update1="UPDATE $table_user_defined_category SET sort='".Database::escape_string($target_category['sort'])."' WHERE id='".intval($source_category['id'])."' AND user_id='".$current_user_id."'";
- $sql_update2="UPDATE $table_user_defined_category SET sort='".Database::escape_string($source_category['sort'])."' WHERE id='".intval($target_category['id'])."' AND user_id='".$current_user_id."'";
- Database::query($sql_update2);
- Database::query($sql_update1);
- if (Database::affected_rows()) {
- $result = true;
- }
- }
- return $result;
- }
- /**
- * Retrieves the user defined course categories and all the info that goes with it
- * @return array containing all the info of the user defined courses categories with the id as key of the array
- */
- public function get_user_course_categories_info() {
- $current_user_id = api_get_user_id();
- $table_category = Database::get_user_personal_table(TABLE_USER_COURSE_CATEGORY);
- $sql = "SELECT * FROM ".$table_category." WHERE user_id='".$current_user_id."' ORDER BY sort ASC";
- $result = Database::query($sql);
- while ($row = Database::fetch_array($result)) {
- $output[$row['id']] = $row;
- }
- return $output;
- }
- /**
- * Updates the user course category in the chamilo_user database
- * @param string Category title
- * @param int Category id
- * @return bool True if it success
- */
- public function store_edit_course_category($title, $category_id) {
- // protect data
- $title = Database::escape_string($title);
- $category_id = intval($category_id);
- $result = false;
- $tucc = Database::get_user_personal_table(TABLE_USER_COURSE_CATEGORY);
- $sql_update = "UPDATE $tucc SET title='".api_htmlentities($title, ENT_QUOTES, api_get_system_encoding())."' WHERE id='".$category_id."'";
- Database::query($sql_update);
- if (Database::affected_rows()) { $result = true; }
- return $result;
- }
- /**
- * deletes a course category and moves all the courses that were in this category to main category
- * @param int Category id
- * @return bool True if it success
- */
- public function delete_course_category($category_id) {
- $current_user_id = api_get_user_id();
- $tucc = Database::get_user_personal_table(TABLE_USER_COURSE_CATEGORY);
- $TABLECOURSUSER = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- $category_id = intval($category_id);
- $result = false;
- $sql_delete = "DELETE FROM $tucc WHERE id='".$category_id."' and user_id='".$current_user_id."'";
- Database::query($sql_delete);
- if (Database::affected_rows()) { $result = true; }
- $sql_update = "UPDATE $TABLECOURSUSER SET user_course_cat='0' WHERE user_course_cat='".$category_id."' AND user_id='".$current_user_id."' AND relation_type<>".COURSE_RELATION_TYPE_RRHH." ";
- Database::query($sql_update);
- return $result;
- }
- /**
- * unsubscribe the user from a given course
- * @param string Course code
- * @return bool True if it success
- */
- public function remove_user_from_course($course_code) {
- $tbl_course_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
- // protect variables
- $current_user_id = api_get_user_id();
- $course_code = Database::escape_string($course_code);
- $result = true;
- // we check (once again) if the user is not course administrator
- // because the course administrator cannot unsubscribe himself
- // (s)he can only delete the course
- $sql_check = "SELECT * FROM $tbl_course_user WHERE user_id='".$current_user_id."' AND course_code='".$course_code."' AND status='1' ";
- $result_check = Database::query($sql_check);
- $number_of_rows = Database::num_rows($result_check);
- if ($number_of_rows > 0) {
- $result = false;
- }
- CourseManager::unsubscribe_user($current_user_id, $course_code);
- return $result;
- }
- /**
- * stores the user course category in the chamilo_user database
- * @param string Category title
- * @return bool True if it success
- */
- public function store_course_category($category_title) {
- $tucc = Database::get_user_personal_table(TABLE_USER_COURSE_CATEGORY);
- // protect data
- $current_user_id = api_get_user_id();
- $category_title = Database::escape_string($category_title);
- $result = false;
- // step 1: we determine the max value of the user defined course categories
- $sql = "SELECT sort FROM $tucc WHERE user_id='".$current_user_id."' ORDER BY sort DESC";
- $rs_sort = Database::query($sql);
- $maxsort = Database::fetch_array($rs_sort);
- $nextsort = $maxsort['sort'] + 1;
- // step 2: we check if there is already a category with this name, if not we store it, else we give an error.
- $sql = "SELECT * FROM $tucc WHERE user_id='".$current_user_id."' AND title='".$category_title."'ORDER BY sort DESC";
- $rs = Database::query($sql);
- if (Database::num_rows($rs) == 0) {
- $sql_insert = "INSERT INTO $tucc (user_id, title,sort) VALUES ('".$current_user_id."', '".api_htmlentities($category_title, ENT_QUOTES, api_get_system_encoding())."', '".$nextsort."')";
- Database::query($sql_insert);
- if (Database::affected_rows()) { $result = true; }
- } else {
- $result = false;
- }
- return $result;
- }
- /**
- * Counts the number of courses in a given course category
- * @param string Category code
- * @return int Count of courses
- */
- public function count_courses_in_category($category_code) {
- $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $TABLE_COURSE_FIELD = Database :: get_main_table(TABLE_MAIN_COURSE_FIELD);
- $TABLE_COURSE_FIELD_VALUE = Database :: get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
- // get course list auto-register
- $sql = "SELECT course_code FROM $TABLE_COURSE_FIELD_VALUE tcfv INNER JOIN $TABLE_COURSE_FIELD tcf ON " .
- " tcfv.field_id = tcf.id WHERE tcf.field_variable = 'special_course' AND tcfv.field_value = 1 ";
- $special_course_result = Database::query($sql);
- if(Database::num_rows($special_course_result)>0) {
- $special_course_list = array();
- while ($result_row = Database::fetch_array($special_course_result)) {
- $special_course_list[] = '"'.$result_row['course_code'].'"';
- }
- }
- $without_special_courses = '';
- if (!empty($special_course_list)) {
- $without_special_courses = ' AND course.code NOT IN ('.implode(',',$special_course_list).')';
- }
- $sql = "SELECT * FROM $tbl_course WHERE category_code".(empty($category_code) ? " IS NULL" : "='".$category_code."'").$without_special_courses;
- // Showing only the courses of the current Dokeos access_url_id.
- global $_configuration;
- if ($_configuration['multiple_access_urls']) {
- $url_access_id = api_get_current_access_url_id();
- if ($url_access_id != -1) {
- $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
- $sql = "SELECT * FROM $tbl_course as course INNER JOIN $tbl_url_rel_course as url_rel_course
- ON (url_rel_course.course_code=course.code)
- WHERE access_url_id = $url_access_id AND category_code".(empty($category_code) ? " IS NULL" : "='".$category_code."'").$without_special_courses;
- }
- }
- return Database::num_rows(Database::query($sql));
- }
- /**
- * get the browsing of the course categories (faculties)
- * @return array array containing a list with all the categories and subcategories(if needed)
- */
- public function browse_course_categories() {
- $tbl_courses_nodes = Database::get_main_table(TABLE_MAIN_CATEGORY);
- $sql = "SELECT * FROM $tbl_courses_nodes ORDER BY tree_pos ASC";
- $result = Database::query($sql);
- $categories = array();
- while ($row = Database::fetch_array($result)) {
- $count_courses = $this->count_courses_in_category($row['code']);
- $row['count_courses'] = $count_courses;
- if (!isset($row['parent_id'])) {
- $categories[0][$row['tree_pos']] = $row;
- } else {
- $categories[$row['parent_id']][$row['tree_pos']] = $row;
- }
- }
- return $categories;
- }
- /**
- * Display all the courses in the given course category. I could have used a parameter here
- * @param string Category code
- * @return array Courses data
- */
- public function browse_courses_in_category($category_code, $random_value = null) {
- global $_configuration;
- $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
- $TABLE_COURSE_FIELD = Database::get_main_table(TABLE_MAIN_COURSE_FIELD);
- $TABLE_COURSE_FIELD_VALUE = Database::get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
- // get course list auto-register
- $sql = "SELECT course_code FROM $TABLE_COURSE_FIELD_VALUE tcfv INNER JOIN $TABLE_COURSE_FIELD tcf ON tcfv.field_id = tcf.id
- WHERE tcf.field_variable = 'special_course' AND tcfv.field_value = 1 ";
- $special_course_result = Database::query($sql);
- if (Database::num_rows($special_course_result)>0) {
- $special_course_list = array();
- while ($result_row = Database::fetch_array($special_course_result)) {
- $special_course_list[] = '"'.$result_row['course_code'].'"';
- }
- }
-
- $without_special_courses = '';
- if (!empty($special_course_list)) {
- $without_special_courses = ' AND course.code NOT IN ('.implode(',',$special_course_list).')';
- }
-
- if (!empty($random_value)) {
- $random_value = intval($random_value);
- $sql = "SELECT * FROM $tbl_course WHERE 1 $without_special_courses ORDER BY RAND() LIMIT $random_value";
-
- if ($_configuration['multiple_access_urls']) {
- $url_access_id = api_get_current_access_url_id();
- $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
- $sql = "SELECT * FROM $tbl_course as course INNER JOIN $tbl_url_rel_course as url_rel_course
- ON (url_rel_course.course_code=course.code)
- WHERE access_url_id = $url_access_id $without_special_courses ORDER BY RAND() LIMIT $random_value";
- }
-
- $sql = "SELECT * FROM $tbl_course course, (SELECT CEIL(MAX($tbl_course.id) * RAND()) AS randId FROM $tbl_course) AS someRandId
- WHERE course.id >= someRandId.randId $without_special_courses";
-
- } else {
- $category_code = Database::escape_string($category_code);
- //$my_category = (empty($category) ? " IS NULL" : "='".$category."'");
- $sql = "SELECT * FROM $tbl_course WHERE category_code='$category_code' $without_special_courses ORDER BY title ";
-
- //showing only the courses of the current Chamilo access_url_id
- if ($_configuration['multiple_access_urls']) {
- $url_access_id = api_get_current_access_url_id();
- $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
- $sql = "SELECT * FROM $tbl_course as course INNER JOIN $tbl_url_rel_course as url_rel_course
- ON (url_rel_course.course_code=course.code)
- WHERE access_url_id = $url_access_id AND category_code='$category_code' $without_special_courses ORDER BY title";
- }
- }
- $result = Database::query($sql);
- $courses = array();
- while ($row = Database::fetch_array($result)) {
- $row['registration_code'] = !empty($row['registration_code']);
- $count_users = CourseManager::get_users_count_in_course($row['code']);
- $count_connections_last_month = Tracking::get_course_connections_count($row['code'], 0, api_get_utc_datetime(time()-(30*86400)));
-
- if ($row['tutor_name'] == '0') {
- $row['tutor_name'] = get_lang('NoManager');
- }
- $courses[] = array(
- 'code' => $row['code'],
- 'directory' => $row['directory'],
- 'db' => $row['db_name'],
- 'visual_code' => $row['visual_code'],
- 'title' => $row['title'],
- 'tutor' => $row['tutor_name'],
- 'subscribe' => $row['subscribe'],
- 'unsubscribe' => $row['unsubscribe'],
- 'registration_code' => $row['registration_code'],
- 'creation_date' => $row['creation_date'],
- 'count_users' => $count_users,
- 'count_connections' => $count_connections_last_month
- );
- }
- return $courses;
- }
- /**
- * Search the courses database for a course that matches the search term.
- * The search is done on the code, title and tutor field of the course table.
- * @param string $search_term: the string that the user submitted, what we are looking for
- * @return array an array containing a list of all the courses (the code, directory, dabase, visual_code, title, ... ) matching the the search term.
- */
- public function search_courses($search_term) {
- $TABLECOURS = Database::get_main_table(TABLE_MAIN_COURSE);
- $TABLE_COURSE_FIELD = Database :: get_main_table(TABLE_MAIN_COURSE_FIELD);
- $TABLE_COURSE_FIELD_VALUE = Database :: get_main_table(TABLE_MAIN_COURSE_FIELD_VALUES);
- // get course list auto-register
- $sql = "SELECT course_code FROM $TABLE_COURSE_FIELD_VALUE tcfv INNER JOIN $TABLE_COURSE_FIELD tcf ON " .
- " tcfv.field_id = tcf.id WHERE tcf.field_variable = 'special_course' AND tcfv.field_value = 1 ";
- $special_course_result = Database::query($sql);
- if(Database::num_rows($special_course_result)>0) {
- $special_course_list = array();
- while ($result_row = Database::fetch_array($special_course_result)) {
- $special_course_list[] = '"'.$result_row['course_code'].'"';
- }
- }
- $without_special_courses = '';
- if (!empty($special_course_list)) {
- $without_special_courses = ' AND course.code NOT IN ('.implode(',',$special_course_list).')';
- }
- $search_term_safe = Database::escape_string($search_term);
- $sql_find = "SELECT * FROM $TABLECOURS WHERE (code LIKE '%".$search_term_safe."%' OR title LIKE '%".$search_term_safe."%' OR tutor_name LIKE '%".$search_term_safe."%') $without_special_courses ORDER BY title, visual_code ASC";
- global $_configuration;
- if ($_configuration['multiple_access_urls']) {
- $url_access_id = api_get_current_access_url_id();
- if ($url_access_id != -1) {
- $tbl_url_rel_course = Database::get_main_table(TABLE_MAIN_ACCESS_URL_REL_COURSE);
- $sql_find = "SELECT * FROM $TABLECOURS as course INNER JOIN $tbl_url_rel_course as url_rel_course
- ON (url_rel_course.course_code=course.code)
- WHERE access_url_id = $url_access_id AND (code LIKE '%".$search_term_safe."%' OR title LIKE '%".$search_term_safe."%' OR tutor_name LIKE '%".$search_term_safe."%' ) $without_special_courses ORDER BY title, visual_code ASC ";
- }
- }
- $result_find = Database::query($sql_find);
- while ($row = Database::fetch_array($result_find)) {
- $row['registration_code'] = !empty($row['registration_code']);
- $count_users = count(CourseManager::get_user_list_from_course_code($row['code']));
- $count_connections_last_month = Tracking::get_course_connections_count($row['code'], 0, api_get_utc_datetime(time()-(30*86400)));
- $courses[] = array(
- 'code' => $row['code'],
- 'directory' => $row['directory'],
- 'db' => $row['db_name'],
- 'visual_code' => $row['visual_code'],
- 'title' => $row['title'],
- 'tutor' => $row['tutor_name'],
- 'subscribe' => $row['subscribe'],
- 'unsubscribe' => $row['unsubscribe'],
- 'registration_code' => $row['registration_code'],
- 'creation_date' => $row['creation_date'],
- 'count_users' => $count_users,
- 'count_connections' => $count_connections_last_month
- );
- // $courses[] = array('code' => $row['code'], 'directory' => $row['directory'], 'db' => $row['db_name'], 'visual_code' => $row['visual_code'], 'title' => $row['title'], 'tutor' => $row['tutor_name'], 'subscribe' => $row['subscribe'], 'unsubscribe' => $row['unsubscribe']);
- }
- return $courses;
- }
- /**
- * Subscribe the user to a given course
- * @param string Course code
- * @return string Message about results
- */
- public function subscribe_user($course_code) {
- global $_user;
- $all_course_information = CourseManager::get_course_information($course_code);
- if ($all_course_information['registration_code'] == '' || $_POST['course_registration_code'] == $all_course_information['registration_code']) {
- if (api_is_platform_admin()) {
- $status_user_in_new_course = COURSEMANAGER;
- } else {
- $status_user_in_new_course=null;
- }
- if (CourseManager::add_user_to_course($_user['user_id'], $course_code, $status_user_in_new_course)) {
- $send = api_get_course_setting('email_alert_to_teacher_on_new_user_in_course', $course_code);
- if ($send == 1) {
- CourseManager::email_to_tutor($_user['user_id'], $course_code, $send_to_tutor_also = false);
- } else if ($send == 2){
- CourseManager::email_to_tutor($_user['user_id'], $course_code, $send_to_tutor_also = true);
- }
- return get_lang('EnrollToCourseSuccessful');
- } else {
- return get_lang('ErrorContactPlatformAdmin');
- }
- } else {
- $return = '';
- if (isset($_POST['course_registration_code']) && $_POST['course_registration_code'] != $all_course_information['registration_code']) {
- return false;
- }
- $return .= get_lang('CourseRequiresPassword').'<br />';
- $return .= $all_course_information['visual_code'].' - '.$all_course_information['title'];
- $return .= "<form action=\"".api_get_path(WEB_CODE_PATH)."auth/courses.php?action=subscribe_course&sec_token=".$_SESSION['sec_token']."&subscribe_course=".$all_course_information['code']."&category_code=".$all_course_information['category_code']." \" method=\"post\">";
- $return .= '<input type="hidden" name="token" value="'.$_SESSION['sec_token'].'" />';
- //$return .= "<input type=\"hidden\" name=\"subscribe\" value=\"".$all_course_information['code']."\" />";
- //$return .= "<input type=\"hidden\" name=\"category_code\" value=\"".$all_course_information['category_code']."\" />";
- $return .= "<input type=\"text\" name=\"course_registration_code\" value=\"".$_POST['course_registration_code']."\" />";
- $return .= "<input type=\"submit\" name=\"submit_course_registration_code\" value=\"OK\" alt=\"".get_lang('SubmitRegistrationCode')."\" /></form>";
- return $return;
- }
- }
- }
- ?>
|