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387 lines
11 KiB
387 lines
11 KiB
<?php
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namespace Notebook;
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use Database;
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/**
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* Notebook repository. Interface with the database.
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*
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* @author Laurent Opprecht <laurent@opprecht.info> for the University of Geneva
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* @licence /license.txt
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*/
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class NotebookRepository
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{
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/**
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* Return the instance of the repository.
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*
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* @return \Notebook\NotebookRepository
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*/
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public static function instance()
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{
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static $result = null;
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if (empty($result)) {
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$result = new self();
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}
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return $result;
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}
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/**
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*
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* @return string
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*/
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public function get_table()
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{
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return Database :: get_course_table(TABLE_NOTEBOOK);
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}
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/**
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*
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* @return string
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*/
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public function get_tool()
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{
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return TOOL_NOTEBOOK;
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}
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/**
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*
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*
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* @param string $where Where filter to apply
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* @return array
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*/
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public function find($where, $orderby = '', $limit = null)
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{
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$table_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
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$table = $this->get_table();
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$tool = $this->get_tool();
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$sql = "SELECT n.*,
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prop.id AS property_id,
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prop.tool,
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prop.insert_user_id,
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prop.insert_date,
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prop.lastedit_date,
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prop.ref,
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prop.lastedit_type,
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prop.lastedit_user_id,
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prop.to_group_id,
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prop.to_user_id,
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prop.visibility,
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prop.start_visible,
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prop.end_visible,
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prop.id_session
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FROM
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$table AS n,
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$table_item_property AS prop
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WHERE
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(n.notebook_id = prop.ref AND
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n.c_id = prop.c_id AND
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prop.tool = '$tool')";
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$sql .= $where ? "AND ($where)" : '';
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$sql .= ' ORDER BY ';
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$sql .= $orderby ? $orderby : 'creation_date ASC';
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if ($limit) {
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$from = (int) $limit->from;
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$count = (int) $limit->count;
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$sql .= " LIMIT $from, $count";
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}
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$rs = Database :: query($sql);
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while ($data = Database::fetch_object($rs)) {
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$result[] = Notebook::create($data);
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}
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return $result;
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}
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public function count($where)
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{
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$table_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
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$table = $this->get_table();
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$tool = $this->get_tool();
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$sql = "SELECT count(*) AS val
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FROM
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$table AS n,
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$table_item_property AS prop
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WHERE
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(n.notebook_id = prop.ref AND
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n.c_id = prop.c_id AND
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prop.tool = '$tool')";
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$sql .= $where ? "AND ($where)" : '';
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$sql .= " ORDER BY name ASC";
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$rs = Database :: query($sql);
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while ($data = Database::fetch_object($rs)) {
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return $data->val;
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}
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return 0;
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}
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/**
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*
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* @param string $where
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* @return \Notebook\notebook_id
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*/
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public function find_one($where)
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{
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$items = $this->find($where);
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foreach ($items as $item) {
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return $item;
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}
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return null;
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}
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/**
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* Retrieve one course description from its ids.
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*
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* @param int|Course $c_id
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* @param int $id
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* @return \notebook_id\notebook_id
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*/
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public function find_one_by_id($c_id, $id)
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{
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$c_id = is_object($c_id) ? $c_id->get_id() : (int) $c_id;
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return $this->find_one("n.c_id = $c_id AND n.notebook_id = $id");
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}
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/**
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* Retrieve one course description from its ids.
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*
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* @param int|Course $c_id
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* @param string name
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* @return \Notebook\Notebook
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*/
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public function find_one_by_course_and_title($c_id, $title)
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{
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$c_id = is_object($c_id) ? $c_id->get_id() : (int) $c_id;
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$name = Database::escape_string($name);
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return $this->find_one("n.c_id = $c_id AND n.title = '$title'");
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}
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/**
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* Returns the list of notes belonging to a specific course and
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* session.
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*
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* @param object $course
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* @return Array
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*/
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public function find_by_course($course, $orderby = '', $limit = null)
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{
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$c_id = (int) $course->c_id;
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$session_id = isset($course->session_id) ? (int) $course->session_id : 0;
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if (empty($c_id)) {
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return array();
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}
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$condition_session = api_get_session_condition($session_id);
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$where = "n.c_id = $c_id $condition_session";
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return $this->find($where, $orderby, $limit);
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}
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/**
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* Returns the list of notes belonging to a specific course and
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* session.
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*
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* @param object $course
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* @return Array
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*/
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public function find_by_course_and_user($course, $user, $orderby = '', $limit = null)
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{
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$user_id = is_object($user) ? (int)$user->user_id : (int)$user;
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$c_id = (int) $course->c_id;
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$session_id = isset($course->session_id) ? (int) $course->session_id : 0;
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if (empty($c_id)) {
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return array();
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}
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$condition_session = api_get_session_condition($session_id);
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$where = "user_id = $user_id AND n.c_id = $c_id $condition_session";
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return $this->find($where, $orderby, $limit);
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}
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public function count_by_course($course)
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{
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$c_id = (int) $course->c_id;
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$session_id = isset($course->session_id) ? (int) $course->session_id : 0;
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if (empty($c_id)) {
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return 0;
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}
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$condition_session = api_get_session_condition($session_id);
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$where = "n.c_id = $c_id $condition_session";
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return $this->count($where);
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}
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/**
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*
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* @param object \Notebook\Notebook
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* @return bool
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*/
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public function save($item)
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{
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$id = $item->id;
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if (empty($id)) {
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return $this->insert($item);
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} else {
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return $this->update($item);
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}
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}
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/**
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*
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* @param \Notebook\Notebook $item
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* @return bool
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*/
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public function insert($item)
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{
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$c_id = (int) $item->c_id;
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$user_id = (int)$item->user_id;
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$user_id = $user_id ? $user_id : api_get_user_id();
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$_course = api_get_course_info_by_id($c_id);
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$course = $_course['code'];
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$session_id = (int) $item->session_id;
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$session_id = $session_id ? $session_id : api_get_session_id();
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$title = trim($item->title);
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$title = Database::escape_string($title);
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$description = trim($item->description);
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$description = Database::escape_string($description);
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$now = time();
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$creation_date = date('Y-m-d H:i:s', $now);
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$update_date = $creation_date;
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$status = (int)$item->status;
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$status = $status ? $status : '0';
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$table = $this->get_table();
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$sql = "INSERT INTO $table
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(c_id, user_id, course, session_id, title, description, creation_date, update_date, status)
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VALUES
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($c_id, $user_id, '$course', $session_id, '$title', '$description', '$creation_date', '$update_date', $status)";
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$result = (bool) Database :: query($sql);
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if ($result) {
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$id = Database::insert_id();
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$item->id = $id;
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$item->creation_date = $creation_date;
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$item->update_date = $update_date;
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$item->status = (int)$status;
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$item->course = $course;
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$item->session_id = $session_id;
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$item->user_id = $user_id;
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//$_course = api_get_course_info_by_id($c_id);
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$tool = $this->get_tool();
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//$user_id = api_get_user_id();
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api_item_property_update($_course, $tool, $id, 'NotebookAdded', $user_id);
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}
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return $result;
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}
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/**
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*
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* @param \Notebook\Notebook $item
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* @return bool
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*/
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function update($item)
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{
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$c_id = (int) $item->c_id;
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$id = (int) $item->id;
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$user_id = (int)$item->user_id;
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$user_id = $user_id ? $user_id : api_get_user_id();
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$title = trim($item->title);
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$title = Database::escape_string($title);
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$description = trim($item->description);
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$description = Database::escape_string($description);
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$session_id = (int) $item->session_id;
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$session_id = $session_id ? $session_id : '0';
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$creation_date = $item->creation_date;
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$creation_date = is_string($creation_date) ? strtotime($creation_date) : $creation_date;
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$creation_date = date('Y-m-d H:i:s', $creation_date);
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$now = time();
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$creation_date = date('Y-m-d H:i:s', $now);
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$update_date = $creation_date;
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$status = (int)$item->status;
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$status = $status ? $status : '0';
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$table = $this->get_table();
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$sql = "UPDATE $table SET
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user_id = $user_id,
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session_id = $session_id,
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title = '$title',
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description = '$description',
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update_date = '$update_date',
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status = $status
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WHERE
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c_id = $c_id AND
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notebook_id = $id";
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$result = (bool) Database :: query($sql);
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if ($result) {
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$item->update_date = $update_date;
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$_course = api_get_course_info_by_id($c_id);
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$tool = $this->get_tool();
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//$user_id = api_get_user_id();
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api_item_property_update($_course, $tool, $id, 'NotebookUpdated', $user_id);
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}
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return $result;
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}
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/**
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*
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* @param object $item
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* @return boolean
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*/
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public function remove($item)
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{
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$table = $this->get_table();
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$c_id = (int) $item->c_id;
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$id = (int) $item->id;
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if (empty($c_id) || empty($id)) {
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return false;
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}
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$sql = "DELETE FROM $table WHERE c_id=$c_id AND notebook_id=$id";
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$result = Database :: query($sql);
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if ($result) {
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$tool = $this->get_tool();
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$tbl_property = Database :: get_course_table(TABLE_ITEM_PROPERTY);
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$sql = "DELETE FROM $tbl_property WHERE c_id=$c_id AND ref=$id AND tool='$tool'";
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Database :: query($sql);
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}
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return (bool) $result;
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}
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/**
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*
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* @param object $course
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* @return int
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*/
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public function remove_by_course($course)
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{
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$items = $this->find_by_course($course);
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foreach ($items as $item) {
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$success = $this->remove($item);
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if ($success) {
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$result++;
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}
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}
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return $result;
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}
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} |