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@@ -2142,5 +2142,40 @@ class CourseManager {
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$row = Database::fetch_row($rs);
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return $row[0];
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}
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+
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+ /**
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+ * Subscribes "courses" to user (Dashboard feature)
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+ * @param int user id
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+ * @param string Course code
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+ * @param int relation type
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+ * @return
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+ **/
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+ public static function suscribe_courses_to_user($user_id, $course_list, $relation_stype) {
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+ if ($user_id!= strval(intval($user_id))) return false;
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+
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+ $tbl_course = Database::get_main_table(TABLE_MAIN_COURSE);
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+ $tbl_course_rel_user = Database::get_main_table(TABLE_MAIN_COURSE_USER);
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+ $tbl_user = Database::get_main_table(TABLE_MAIN_USER);
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+
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+ $sql = "SELECT course_code FROM $tbl_course_rel_user WHERE id_user = $user_id AND relation_type = 1 ";
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+ $result = Database::query($sql,__FILE__,__LINE__);
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+ $existing_courses = array();
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+ while($row = Database::fetch_array($result)){
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+ $existing_courses[] = $row['course_code'];
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+ }
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+
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+ //Deleting existing session_rel_user
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+ foreach ($existing_courses as $existing_course) {
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+ $sql = "DELETE FROM $tbl_course_rel_user WHERE course_code = $existing_course AND id_user=$user_id AND relation_type = 1 ";
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+ Database::query($sql,__FILE__,__LINE__);
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+ }
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+
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+ foreach ($course_list as $course_code) {
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+ // for each session
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+ $course_code = Database::escape_string($course_code);
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+ $insert_sql = "INSERT IGNORE INTO $tbl_course_rel_user(course_code,user_id,relation_type) VALUES('$course_code','$user_id','1')";
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+ Database::query($insert_sql,__FILE__,__LINE__);
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+ }
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+ }
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} //end class CourseManager
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