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583 lines
17 KiB
583 lines
17 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* This file contains a class used like library provides functions for
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* course description tool. It's also used like model to
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* course_description_controller (MVC pattern)
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* @author Christian Fasanando <christian1827@gmail.com>
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* @package chamilo.course_description
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*/
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/**
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* Class CourseDescription course descriptions
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*
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* @package chamilo.course_description
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*/
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class CourseDescription
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{
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private $id;
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private $course_id;
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private $title;
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private $content;
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private $session_id;
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private $description_type;
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private $progress;
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/**
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* Constructor
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*/
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public function __construct()
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{
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}
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/**
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* Returns an array of objects of type CourseDescription corresponding to
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* a specific course, without session ids (session id = 0)
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*
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* @param int $course_id
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*
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* @return array Array of CourseDescriptions
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*/
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public static function get_descriptions($course_id)
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{
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// Get course code
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$course_info = api_get_course_info_by_id($course_id);
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if (!empty($course_info)) {
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$course_id = $course_info['real_id'];
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} else {
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return array();
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}
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$t_course_desc = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
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$sql = "SELECT * FROM $t_course_desc
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WHERE c_id = $course_id AND session_id = '0'";
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$sql_result = Database::query($sql);
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$results = array();
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while ($row = Database::fetch_array($sql_result)) {
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$desc_tmp = new CourseDescription();
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$desc_tmp->set_id($row['id']);
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$desc_tmp->set_title($row['title']);
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$desc_tmp->set_content($row['content']);
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$desc_tmp->set_session_id($row['session_id']);
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$desc_tmp->set_description_type($row['description_type']);
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$desc_tmp->set_progress($row['progress']);
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$results[] = $desc_tmp;
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}
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return $results;
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}
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/**
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* Get all data of course description by session id,
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* first you must set session_id property with the object CourseDescription
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* @return array
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*/
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public function get_description_data()
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{
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$tbl_course_description = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
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$condition_session = api_get_session_condition($this->session_id, true, true);
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$course_id = api_get_course_int_id();
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$sql = "SELECT * FROM $tbl_course_description
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WHERE c_id = $course_id $condition_session
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ORDER BY id ";
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$rs = Database::query($sql);
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$data = array();
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while ($description = Database::fetch_array($rs)) {
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$data['descriptions'][$description['id']] = Security::remove_XSS($description, STUDENT);
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}
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return $data;
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}
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/**
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* Get all data by description and session id,
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* first you must set session_id property with the object CourseDescription
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* @param int $description_type Description type
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* @param string $courseId Course code (optional)
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* @param int $session_id Session id (optional)
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* @return array List of fields from the descriptions found of the given type
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*/
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public function get_data_by_description_type(
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$description_type,
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$courseId = null,
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$session_id = null
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) {
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$tbl_course_description = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
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if (empty($courseId)) {
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$courseId = api_get_course_int_id();
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}
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if (!isset($session_id)) {
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$session_id = $this->session_id;
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}
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$condition_session = api_get_session_condition($session_id);
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$description_type = intval($description_type);
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$sql = "SELECT * FROM $tbl_course_description
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WHERE c_id = $courseId AND description_type='$description_type' $condition_session ";
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$rs = Database::query($sql);
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$data = array();
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if ($description = Database::fetch_array($rs)) {
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$data['description_title'] = $description['title'];
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$data['description_content'] = $description['content'];
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$data['progress'] = $description['progress'];
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$data['id'] = $description['id'];
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}
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return $data;
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}
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/**
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* @param int $id
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* @param string $course_code
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* @param int $session_id
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*
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* @return array
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*/
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public function get_data_by_id($id, $course_code = '', $session_id = null)
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{
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$tbl_course_description = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
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$course_id = api_get_course_int_id();
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if (!isset($session_id)) {
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$session_id = $this->session_id;
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}
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$condition_session = api_get_session_condition($session_id);
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if (!empty($course_code)) {
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$course_info = api_get_course_info($course_code);
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$course_id = $course_info['real_id'];
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}
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$id = intval($id);
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$sql = "SELECT * FROM $tbl_course_description
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WHERE c_id = $course_id AND id='$id' $condition_session ";
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$rs = Database::query($sql);
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$data = array();
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if ($description = Database::fetch_array($rs)) {
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$data['description_type'] = $description['description_type'];
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$data['description_title'] = $description['title'];
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$data['description_content'] = $description['content'];
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$data['progress'] = $description['progress'];
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}
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return $data;
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}
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/**
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* Get maximum description type by session id,
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* first you must set session_id properties with the object CourseDescription
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* @return int maximum description time adding one
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*/
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public function get_max_description_type()
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{
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$tbl_course_description = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
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$course_id = api_get_course_int_id();
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$sql = "SELECT MAX(description_type) as MAX
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FROM $tbl_course_description
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WHERE c_id = $course_id AND session_id='" . $this->session_id . "'";
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$rs = Database::query($sql);
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$max = Database::fetch_array($rs);
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$description_type = $max['MAX'] + 1;
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if ($description_type < ADD_BLOCK) {
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$description_type = ADD_BLOCK;
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}
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return $description_type;
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}
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/**
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* Insert a description to the course_description table,
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* first you must set description_type, title, content, progress and
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* session_id properties with the object CourseDescription
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* @return int affected rows
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*/
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public function insert()
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{
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if (empty($this->course_id)) {
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$course_id = api_get_course_int_id();
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} else {
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$course_id = $this->course_id;
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}
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$table = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
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$params = [
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'c_id' => $course_id,
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'description_type' => $this->description_type,
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'title' => $this->title,
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'content' => $this->content,
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'progress' => intval($this->progress),
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'session_id' => $this->session_id
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];
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$last_id = Database::insert($table, $params);
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if ($last_id > 0) {
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$sql = "UPDATE $table SET id = iid WHERE iid = $last_id";
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Database::query($sql);
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// insert into item_property
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api_item_property_update(
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api_get_course_info(),
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TOOL_COURSE_DESCRIPTION,
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$last_id,
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'CourseDescriptionAdded',
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api_get_user_id()
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);
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}
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return ($last_id > 0) ? 1 : 0;
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}
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/**
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* Insert a row like history inside track_e_item_property table
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* first you must set description_type, title, content, progress and
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* session_id properties with the object CourseDescription
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* @param int $description_type
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* @return int affected rows
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*/
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public function insert_stats($description_type)
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{
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$tbl_stats_item_property = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ITEM_PROPERTY);
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$description_id = $this->get_id_by_description_type($description_type);
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$course_id = api_get_course_int_id();
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$course_code = api_get_course_id();
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$item_property_id = api_get_item_property_id(
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$course_code,
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TOOL_COURSE_DESCRIPTION,
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$description_id
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);
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$params = [
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'c_id' => api_get_course_int_id(),
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'course_id' => $course_id,
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'item_property_id' => $item_property_id,
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'title' => $this->title,
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'content' => $this->content,
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'progress' => $this->progress,
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'lastedit_date' => api_get_utc_datetime(),
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'lastedit_user_id' => api_get_user_id(),
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'session_id' => $this->session_id,
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];
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$result = Database::insert($tbl_stats_item_property, $params);
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return $result ? 1 : 0;
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}
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/**
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* Update a description, first you must set description_type, title, content, progress
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* and session_id properties with the object CourseDescription
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* @return int affected rows
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*/
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public function update()
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{
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$table = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
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$params = [
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'title' => $this->title,
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'content' => $this->content,
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'progress' => intval($this->progress),
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];
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Database::update(
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$table,
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$params,
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[
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'id = ? AND session_id = ? AND c_id = ?' => [
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$this->id,
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$this->session_id,
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$this->course_id ? $this->course_id : api_get_course_int_id(),
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]
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]
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);
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if ($this->id > 0) {
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//insert into item_property
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api_item_property_update(
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api_get_course_info(),
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TOOL_COURSE_DESCRIPTION,
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$this->id,
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'CourseDescriptionUpdated',
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api_get_user_id()
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);
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}
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return 1;
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}
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/**
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* Delete a description, first you must set description_type and session_id
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* properties with the object CourseDescription
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* @return int affected rows
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*/
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public function delete()
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{
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$tbl_course_description = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
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$course_id = api_get_course_int_id();
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$sql = "DELETE FROM $tbl_course_description
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WHERE
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c_id = $course_id AND
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id = '" . intval($this->id) . "' AND
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session_id = '" . intval($this->session_id) . "'";
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$result = Database::query($sql);
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$affected_rows = Database::affected_rows($result);
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if ($this->id > 0) {
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//insert into item_property
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api_item_property_update(
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api_get_course_info(),
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TOOL_COURSE_DESCRIPTION,
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$this->id,
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'CourseDescriptionDeleted',
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api_get_user_id()
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);
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}
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return $affected_rows;
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}
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/**
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* Get description id by description type
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* @param int $description_type
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*
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* @return int description id
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*/
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public function get_id_by_description_type($description_type)
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{
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$tbl_course_description = Database::get_course_table(TABLE_COURSE_DESCRIPTION);
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$course_id = api_get_course_int_id();
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$sql = "SELECT id FROM $tbl_course_description
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WHERE c_id = $course_id AND description_type = '" . intval($description_type) . "'";
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$rs = Database::query($sql);
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$row = Database::fetch_array($rs);
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$description_id = $row['id'];
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return $description_id;
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}
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/**
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* Get description titles by default
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* @return array
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*/
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public function get_default_description_title()
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{
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$default_description_titles = array();
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$default_description_titles[1] = get_lang('GeneralDescription');
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$default_description_titles[2] = get_lang('Objectives');
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$default_description_titles[3] = get_lang('Topics');
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$default_description_titles[4] = get_lang('Methodology');
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$default_description_titles[5] = get_lang('CourseMaterial');
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$default_description_titles[6] = get_lang('HumanAndTechnicalResources');
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$default_description_titles[7] = get_lang('Assessment');
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$default_description_titles[8] = get_lang('Other');
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return $default_description_titles;
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}
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/**
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* Get description titles editable by default
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* @return array
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*/
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public function get_default_description_title_editable()
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{
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$default_description_title_editable = array();
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$default_description_title_editable[1] = true;
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$default_description_title_editable[2] = true;
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$default_description_title_editable[3] = true;
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$default_description_title_editable[4] = true;
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$default_description_title_editable[5] = true;
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$default_description_title_editable[6] = true;
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$default_description_title_editable[7] = true;
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//$default_description_title_editable[8] = true;
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return $default_description_title_editable;
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}
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/**
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* Get description icons by default
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* @return array
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*/
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public function get_default_description_icon()
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{
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$default_description_icon = array();
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$default_description_icon[1] = 'info.png';
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$default_description_icon[2] = 'objective.png';
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$default_description_icon[3] = 'topics.png';
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$default_description_icon[4] = 'strategy.png';
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$default_description_icon[5] = 'laptop.png';
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$default_description_icon[6] = 'teacher.png';
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$default_description_icon[7] = 'assessment.png';
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//$default_description_icon[8]= 'porcent.png';
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$default_description_icon[8] = 'wizard.png';
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return $default_description_icon;
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}
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/**
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* Get questions by default for help
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* @return array
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*/
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public function get_default_question()
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{
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$question = array();
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$question[1] = get_lang('GeneralDescriptionQuestions');
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$question[2] = get_lang('ObjectivesQuestions');
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$question[3] = get_lang('TopicsQuestions');
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$question[4] = get_lang('MethodologyQuestions');
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$question[5] = get_lang('CourseMaterialQuestions');
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$question[6] = get_lang('HumanAndTechnicalResourcesQuestions');
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$question[7] = get_lang('AssessmentQuestions');
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//$question[8]= get_lang('ThematicAdvanceQuestions');
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return $question;
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}
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/**
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* Get informations by default for help
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* @return array
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*/
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public function get_default_information()
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{
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$information = array();
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$information[1] = get_lang('GeneralDescriptionInformation');
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$information[2] = get_lang('ObjectivesInformation');
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$information[3] = get_lang('TopicsInformation');
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$information[4] = get_lang('MethodologyInformation');
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$information[5] = get_lang('CourseMaterialInformation');
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$information[6] = get_lang('HumanAndTechnicalResourcesInformation');
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$information[7] = get_lang('AssessmentInformation');
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//$information[8]= get_lang('ThematicAdvanceInformation');
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return $information;
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}
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/**
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* Set description id
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* @return void
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*/
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public function set_id($id)
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{
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$this->id = $id;
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}
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/**
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* Set description's course id
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* @param int $id Course ID
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* @return void
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*/
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public function set_course_id($id)
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{
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$this->course_id = intval($id);
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}
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/**
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* Set description title
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* @param string $title
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*/
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public function set_title($title)
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{
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$this->title = $title;
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}
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/**
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* Set description content
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*
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* @param string $content
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*/
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public function set_content($content)
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{
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$this->content = $content;
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}
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/**
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*
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* Set description session id
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*
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* @param int $session_id
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*/
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public function set_session_id($session_id)
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{
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$this->session_id = $session_id;
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}
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/**
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* Set description type
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* @return void
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*/
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public function set_description_type($description_type)
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{
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$this->description_type = $description_type;
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}
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/**
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*
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* Set progress of a description
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*
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* @param string $progress
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*/
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public function set_progress($progress)
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{
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$this->progress = $progress;
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}
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/**
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* get description id
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*
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* @return int
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*/
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public function get_id()
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{
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return $this->id;
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}
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|
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/**
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* get description title
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*
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* @return string
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*/
|
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public function get_title()
|
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{
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return $this->title;
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}
|
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|
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/**
|
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* get description content
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* @return string
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*/
|
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public function get_content()
|
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{
|
|
return $this->content;
|
|
}
|
|
|
|
/**
|
|
* get session id
|
|
*
|
|
* @return int
|
|
*/
|
|
public function get_session_id()
|
|
{
|
|
return $this->session_id;
|
|
}
|
|
|
|
/**
|
|
* get description type
|
|
*
|
|
* @return int
|
|
*/
|
|
public function get_description_type()
|
|
{
|
|
return $this->description_type;
|
|
}
|
|
|
|
/**
|
|
* get progress of a description
|
|
*
|
|
* @return int
|
|
*/
|
|
public function get_progress()
|
|
{
|
|
return $this->progress;
|
|
}
|
|
}
|
|
|