Chamilo is a learning management system focused on ease of use and accessibility
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chamilo-lms/main/inc/lib/notebook.lib.php

229 lines
8.7 KiB

<?php
/* For licensing terms, see /license.txt */
/**
* This class provides methods for the notebook management.
* Include/require it in your code to use its features.
* @author Carlos Vargas <litox84@gmail.com>, move code of main/notebook up here
* @package chamilo.library
*/
class NotebookManager
{
private function __construct() {
}
/**
* a little bit of javascript to display a prettier warning when deleting a note
*
* @return unknown
*
* @author Patrick Cool <patrick.cool@ugent.be>, Ghent University, Belgium
* @version januari 2009, dokeos 1.8.6
*/
function javascript_notebook()
{
return "<script type=\"text/javascript\">
function confirmation (name)
{
if (confirm(\" ". get_lang("NoteConfirmDelete") ." \"+ name + \" ?\"))
{return true;}
else
{return false;}
}
</script>";
}
/**
* This functions stores the note in the database
*
* @param array $values
* @return bool
* @author Christian Fasanando <christian.fasanando@dokeos.com>
* @author Patrick Cool <patrick.cool@ugent.be>, Ghent University, Belgium
* @version januari 2009, dokeos 1.8.6
*
*/
function save_note($values) {
if (!is_array($values) or empty($values['note_title'])) {
return false;
}
// Database table definition
$t_notebook = Database :: get_course_table(TABLE_NOTEBOOK);
$course_id = api_get_course_int_id();
$sql = "INSERT INTO $t_notebook (c_id, user_id, course, session_id, title, description, creation_date,update_date,status)
VALUES(
$course_id,
'".api_get_user_id()."',
'".Database::escape_string(api_get_course_id())."',
'".Database::escape_string($_SESSION['id_session'])."',
'".Database::escape_string($values['note_title'])."',
'".Database::escape_string($values['note_comment'])."',
'".Database::escape_string(date('Y-m-d H:i:s'))."',
'".Database::escape_string(date('Y-m-d H:i:s'))."',
'0')";
$result = Database::query($sql);
$id = Database::insert_id();
if ($id > 0) {
//insert into item_property
api_item_property_update(api_get_course_info(), TOOL_NOTEBOOK, $id, 'NotebookAdded', api_get_user_id());
}
$affected_rows = Database::affected_rows();
if (!empty($affected_rows)){
return $id;
}
}
function get_note_information($notebook_id) {
if (empty($notebook_id)) { return array(); }
// Database table definition
$t_notebook = Database :: get_course_table(TABLE_NOTEBOOK);
$sql = "SELECT notebook_id AS notebook_id,
title AS note_title,
description AS note_comment,
session_id AS session_id
FROM $t_notebook
WHERE notebook_id = '".Database::escape_string($notebook_id)."' ";
$result = Database::query($sql);
if (Database::num_rows($result)!=1) { return array(); }
return Database::fetch_array($result);
}
/**
* This functions updates the note in the database
*
* @param array $values
*
* @author Christian Fasanando <christian.fasanando@dokeos.com>
* @author Patrick Cool <patrick.cool@ugent.be>, Ghent University, Belgium
* @version januari 2009, dokeos 1.8.6
*/
function update_note($values) {
if (!is_array($values) or empty($values['note_title'])) {
return false;
}
// Database table definition
$t_notebook = Database :: get_course_table(TABLE_NOTEBOOK);
$sql = "UPDATE $t_notebook SET
user_id = '".api_get_user_id()."',
course = '".Database::escape_string(api_get_course_id())."',
session_id = '".Database::escape_string($_SESSION['id_session'])."',
title = '".Database::escape_string($values['note_title'])."',
description = '".Database::escape_string($values['note_comment'])."',
update_date = '".Database::escape_string(date('Y-m-d H:i:s'))."'
WHERE notebook_id = '".Database::escape_string($values['notebook_id'])."'";
$result = Database::query($sql);
//update item_property (update)
api_item_property_update(api_get_course_info(), TOOL_NOTEBOOK, $values['notebook_id'], 'NotebookUpdated', api_get_user_id());
$affected_rows = Database::affected_rows();
if (!empty($affected_rows)){
return true;
}
}
function delete_note($notebook_id) {
if (empty($notebook_id) or $notebook_id != strval(intval($notebook_id))) { return false; }
// Database table definition
$t_notebook = Database :: get_course_table(TABLE_NOTEBOOK);
$sql = "DELETE FROM $t_notebook WHERE notebook_id='".intval($notebook_id)."' AND user_id = '".api_get_user_id()."'";
$result = Database::query($sql);
$affected_rows = Database::affected_rows();
if ($affected_rows != 1){
return false;
}
//update item_property (delete)
api_item_property_update(api_get_course_info(), TOOL_NOTEBOOK, intval($notebook_id), 'delete', api_get_user_id());
return true;
}
function display_notes() {
global $_user;
if (!$_GET['direction'])
{
$sort_direction = 'ASC';
$link_sort_direction = 'DESC';
}
elseif ($_GET['direction'] == 'ASC')
{
$sort_direction = 'ASC';
$link_sort_direction = 'DESC';
}
else
{
$sort_direction = 'DESC';
$link_sort_direction = 'ASC';
}
// action links
echo '<div class="actions" style="margin-bottom:20px">';
//if (api_is_allowed_to_edit())
//{
if (!api_is_anonymous()) {
if (api_get_session_id()==0)
echo '<a href="index.php?'.api_get_cidreq().'&amp;action=addnote">'.Display::return_icon('new_note.png',get_lang('NoteAddNew'),'','32').'</a>';
elseif(api_is_allowed_to_session_edit(false,true)){
echo '<a href="index.php?'.api_get_cidreq().'&amp;action=addnote">'.Display::return_icon('new_note.png',get_lang('NoteAddNew'),'','32').'</a>';
}
} else {
echo '<a href="javascript:void(0)">'.Display::return_icon('new_note.png',get_lang('NoteAddNew'),'','32').'</a>';
}
//}
echo '<a href="index.php?'.api_get_cidreq().'&amp;action=changeview&amp;view=creation_date&amp;direction='.$link_sort_direction.'">'.Display::return_icon('notes_order_by_date_new.png',get_lang('OrderByCreationDate'),'','32').'</a>';
echo '<a href="index.php?'.api_get_cidreq().'&amp;action=changeview&amp;view=update_date&amp;direction='.$link_sort_direction.'">'.Display::return_icon('notes_order_by_date_mod.png',get_lang('OrderByModificationDate'),'','32').'</a>';
echo '<a href="index.php?'.api_get_cidreq().'&amp;action=changeview&amp;view=title&amp;direction='.$link_sort_direction.'">'.Display::return_icon('notes_order_by_title.png',get_lang('OrderByTitle'),'','32').'</a>';
echo '</div>';
if (!in_array($_SESSION['notebook_view'],array('creation_date','update_date', 'title'))) {
$_SESSION['notebook_view'] = 'creation_date';
}
// Database table definition
$t_notebook = Database :: get_course_table(TABLE_NOTEBOOK);
$order_by = "";
if ($_SESSION['notebook_view'] == 'creation_date' || $_SESSION['notebook_view'] == 'update_date') {
$order_by = " ORDER BY ".$_SESSION['notebook_view']." $sort_direction ";
} else {
$order_by = " ORDER BY ".$_SESSION['notebook_view']." $sort_direction ";
}
//condition for the session
$session_id = api_get_session_id();
$condition_session = api_get_session_condition($session_id);
$cond_extra = ($_SESSION['notebook_view']== 'update_date')?" AND update_date <> '0000-00-00 00:00:00'":" ";
$course_id = api_get_course_int_id();
$sql = "SELECT * FROM $t_notebook WHERE c_id = $course_id AND user_id = '".api_get_user_id()."' $condition_session $cond_extra $order_by";
$result = Database::query($sql);
while ($row = Database::fetch_array($result)) {
//validacion when belongs to a session
$session_img = api_get_session_image($row['session_id'], $_user['status']);
$creation_date = api_get_local_time($row['creation_date'], null, date_default_timezone_get());
$update_date = api_get_local_time($row['update_date'], null, date_default_timezone_get());
echo '<div class="sectiontitle">';
echo '<span style="float: right;"> ('.get_lang('CreationDate').': '.date_to_str_ago($creation_date).'&nbsp;&nbsp;<span class="dropbox_date">'.$creation_date.'</span>';
if ($row['update_date'] <> $row['creation_date']) {
echo ', '.get_lang('UpdateDate').': '.date_to_str_ago($update_date).'&nbsp;&nbsp;<span class="dropbox_date">'.$update_date.'</span>';
}
echo ')</span>';
echo $row['title'] . $session_img;
echo '</div>';
echo '<div class="sectioncomment">'.$row['description'].'</div>';
echo '<div>';
echo '<a href="'.api_get_self().'?action=editnote&amp;notebook_id='.$row['notebook_id'].'">'.Display::return_icon('edit.png', get_lang('Edit'),'',ICON_SIZE_SMALL).'</a>';
echo '<a href="'.api_get_self().'?action=deletenote&amp;notebook_id='.$row['notebook_id'].'" onclick="return confirmation(\''.$row['title'].'\');">'.Display::return_icon('delete.png', get_lang('Delete'),'',ICON_SIZE_SMALL).'</a>';
echo '</div>';
}
//return $return;
}
}
?>