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

291 lines
10 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
{
/**
* Constructor
*/
public function __construct()
{
}
/**
* a little bit of javascript to display a prettier warning when deleting a note
*
* @return string
*
* @author Patrick Cool <patrick.cool@ugent.be>, Ghent University, Belgium
* @version januari 2009, dokeos 1.8.6
*/
static function javascript_notebook()
{
return "<script>
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 $values
* @return bool
* @author Christian Fasanando <christian.fasanando@dokeos.com>
* @author Patrick Cool <patrick.cool@ugent.be>, Ghent University, Belgium
* @version januari 2009, dokeos 1.8.6
*
*/
static function save_note($values)
{
if (!is_array($values) or empty($values['note_title'])) {
return false;
}
// Database table definition
$table = Database :: get_course_table(TABLE_NOTEBOOK);
$course_id = api_get_course_int_id();
$sessionId = api_get_session_id();
$now = api_get_utc_datetime();
$params = [
'notebook_id' => 0,
'c_id' => $course_id,
'user_id' => api_get_user_id(),
'course' => api_get_course_id(),
'session_id' => $sessionId,
'title' => $values['note_title'],
'description' => $values['note_comment'],
'creation_date' => $now,
'update_date' => $now,
'status' => 0
];
$id = Database::insert($table, $params);
if ($id > 0) {
$sql = "UPDATE $table SET notebook_id = $id WHERE iid = $id";
Database::query($sql);
//insert into item_property
api_item_property_update(
api_get_course_info(),
TOOL_NOTEBOOK,
$id,
'NotebookAdded',
api_get_user_id()
);
return $id;
}
}
/**
* @param int $notebook_id
* @return array|mixed
*/
static function get_note_information($notebook_id)
{
if (empty($notebook_id)) {
return array();
}
// Database table definition
$t_notebook = Database :: get_course_table(TABLE_NOTEBOOK);
$course_id = api_get_course_int_id();
$sql = "SELECT
notebook_id AS notebook_id,
title AS note_title,
description AS note_comment,
session_id AS session_id
FROM $t_notebook
WHERE c_id = $course_id AND notebook_id = '" . intval($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 $values
*
* @author Christian Fasanando <christian.fasanando@dokeos.com>
* @author Patrick Cool <patrick.cool@ugent.be>, Ghent University, Belgium
* @version januari 2009, dokeos 1.8.6
*/
static function update_note($values)
{
if (!is_array($values) or empty($values['note_title'])) {
return false;
}
// Database table definition
$table = Database :: get_course_table(TABLE_NOTEBOOK);
$course_id = api_get_course_int_id();
$sessionId = api_get_session_id();
$params = [
'user_id' => api_get_user_id(),
'course' => api_get_course_id(),
'session_id' => $sessionId,
'title' => $values['note_title'],
'description' => $values['note_comment'],
'update_date' => api_get_utc_datetime(),
];
Database::update(
$table,
$params,
[
'c_id = ? AND notebook_id = ?' => [
$course_id,
$values['notebook_id'],
],
]
);
// update item_property (update)
api_item_property_update(
api_get_course_info(),
TOOL_NOTEBOOK,
$values['notebook_id'],
'NotebookUpdated',
api_get_user_id()
);
return true;
}
static function delete_note($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);
$course_id = api_get_course_int_id();
$sql = "DELETE FROM $t_notebook
WHERE
c_id = $course_id AND
notebook_id='" . intval($notebook_id) . "' AND
user_id = '" . api_get_user_id() . "'";
$result = Database::query($sql);
$affected_rows = Database::affected_rows($result);
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;
}
/**
* Display notes
*/
public static function display_notes()
{
$_user = api_get_user_info();
if (!isset($_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">';
if (!api_is_anonymous()) {
if (api_get_session_id() == 0)
echo '<a href="index.php?' . api_get_cidreq() . '&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() . '&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() . '&action=changeview&view=creation_date&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() . '&action=changeview&view=update_date&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() . '&action=changeview&view=title&direction=' . $link_sort_direction . '">' .
Display::return_icon('notes_order_by_title.png', get_lang('OrderByTitle'), '', '32') . '</a>';
echo '</div>';
if (!isset($_SESSION['notebook_view']) || !in_array($_SESSION['notebook_view'], array('creation_date', 'update_date', 'title'))) {
$_SESSION['notebook_view'] = 'creation_date';
}
// Database table definition
$t_notebook = Database :: get_course_table(TABLE_NOTEBOOK);
if ($_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 <> ''" : " ";
$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)) {
// Validation 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());
$updateValue = '';
if ($row['update_date'] <> $row['creation_date']) {
$updateValue = ', ' . get_lang('UpdateDate') . ': ' . date_to_str_ago($row['update_date']) . '&nbsp;&nbsp;<span class="dropbox_date">' . $update_date . '</span>';
}
$actions = '<a href="' . api_get_self() . '?action=editnote&notebook_id=' . $row['notebook_id'] . '">' .
Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_SMALL) . '</a>';
$actions .= '<a href="' . api_get_self() . '?action=deletenote&notebook_id=' . $row['notebook_id'] . '" onclick="return confirmation(\'' . $row['title'] . '\');">' .
Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL) . '</a>';
echo Display::panel(
$row['description'],
$row['title'] . $session_img.' <div class="pull-right">'.$actions.'</div>',
get_lang('CreationDate') . ': ' . date_to_str_ago($row['creation_date']) . '&nbsp;&nbsp;<span class="dropbox_date">' . $creation_date . $updateValue."</span>"
);
}
}
}