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226 lines
8.5 KiB
226 lines
8.5 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* This class provides methods for the notebook management.
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* Include/require it in your code to use its features.
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* @author Carlos Vargas <litox84@gmail.com>, move code of main/notebook up here
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* @package chamilo.library
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*/
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class NotebookManager
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{
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private function __construct() {
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}
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/**
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* a little bit of javascript to display a prettier warning when deleting a note
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*
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* @return unknown
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*
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* @author Patrick Cool <patrick.cool@ugent.be>, Ghent University, Belgium
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* @version januari 2009, dokeos 1.8.6
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*/
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function javascript_notebook()
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{
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return "<script type=\"text/javascript\">
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function confirmation (name)
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{
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if (confirm(\" ". get_lang("NoteConfirmDelete") ." \"+ name + \" ?\"))
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{return true;}
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else
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{return false;}
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}
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</script>";
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}
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/**
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* This functions stores the note in the database
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*
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* @param array $values
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* @return bool
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* @author Christian Fasanando <christian.fasanando@dokeos.com>
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* @author Patrick Cool <patrick.cool@ugent.be>, Ghent University, Belgium
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* @version januari 2009, dokeos 1.8.6
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*
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*/
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function save_note($values) {
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if (!is_array($values) or empty($values['note_title'])) {
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return false;
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}
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// Database table definition
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$t_notebook = Database :: get_course_table(TABLE_NOTEBOOK);
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$sql = "INSERT INTO $t_notebook (user_id, course, session_id, title, description, creation_date,update_date,status)
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VALUES(
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'".api_get_user_id()."',
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'".Database::escape_string(api_get_course_id())."',
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'".Database::escape_string($_SESSION['id_session'])."',
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'".Database::escape_string($values['note_title'])."',
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'".Database::escape_string($values['note_comment'])."',
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'".Database::escape_string(date('Y-m-d H:i:s'))."',
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'".Database::escape_string(date('Y-m-d H:i:s'))."',
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'0')";
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$result = Database::query($sql);
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$id = Database::insert_id();
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if ($id > 0) {
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//insert into item_property
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api_item_property_update(api_get_course_info(), TOOL_NOTEBOOK, $id, 'NotebookAdded', api_get_user_id());
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}
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$affected_rows = Database::affected_rows();
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if (!empty($affected_rows)){
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return $id;
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}
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}
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function get_note_information($notebook_id) {
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if (empty($notebook_id)) { return array(); }
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// Database table definition
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$t_notebook = Database :: get_course_table(TABLE_NOTEBOOK);
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$sql = "SELECT notebook_id AS notebook_id,
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title AS note_title,
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description AS note_comment,
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session_id AS session_id
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FROM $t_notebook
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WHERE notebook_id = '".Database::escape_string($notebook_id)."' ";
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$result = Database::query($sql);
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if (Database::num_rows($result)!=1) { return array(); }
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return Database::fetch_array($result);
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}
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/**
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* This functions updates the note in the database
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*
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* @param array $values
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*
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* @author Christian Fasanando <christian.fasanando@dokeos.com>
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* @author Patrick Cool <patrick.cool@ugent.be>, Ghent University, Belgium
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* @version januari 2009, dokeos 1.8.6
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*/
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function update_note($values) {
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if (!is_array($values) or empty($values['note_title'])) {
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return false;
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}
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// Database table definition
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$t_notebook = Database :: get_course_table(TABLE_NOTEBOOK);
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$sql = "UPDATE $t_notebook SET
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user_id = '".api_get_user_id()."',
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course = '".Database::escape_string(api_get_course_id())."',
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session_id = '".Database::escape_string($_SESSION['id_session'])."',
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title = '".Database::escape_string($values['note_title'])."',
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description = '".Database::escape_string($values['note_comment'])."',
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update_date = '".Database::escape_string(date('Y-m-d H:i:s'))."'
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WHERE notebook_id = '".Database::escape_string($values['notebook_id'])."'";
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$result = Database::query($sql);
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//update item_property (update)
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api_item_property_update(api_get_course_info(), TOOL_NOTEBOOK, $values['notebook_id'], 'NotebookUpdated', api_get_user_id());
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$affected_rows = Database::affected_rows();
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if (!empty($affected_rows)){
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return true;
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}
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}
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function delete_note($notebook_id) {
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if (empty($notebook_id) or $notebook_id != strval(intval($notebook_id))) { return false; }
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// Database table definition
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$t_notebook = Database :: get_course_table(TABLE_NOTEBOOK);
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$sql = "DELETE FROM $t_notebook WHERE notebook_id='".intval($notebook_id)."' AND user_id = '".api_get_user_id()."'";
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$result = Database::query($sql);
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$affected_rows = Database::affected_rows();
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if ($affected_rows != 1){
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return false;
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}
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//update item_property (delete)
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api_item_property_update(api_get_course_info(), TOOL_NOTEBOOK, intval($notebook_id), 'delete', api_get_user_id());
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return true;
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}
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function display_notes() {
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global $_user;
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if (!$_GET['direction'])
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{
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$sort_direction = 'ASC';
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$link_sort_direction = 'DESC';
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}
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elseif ($_GET['direction'] == 'ASC')
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{
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$sort_direction = 'ASC';
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$link_sort_direction = 'DESC';
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}
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else
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{
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$sort_direction = 'DESC';
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$link_sort_direction = 'ASC';
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}
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// action links
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echo '<div class="actions" style="margin-bottom:20px">';
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//if (api_is_allowed_to_edit())
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//{
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if (!api_is_anonymous()) {
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if (api_get_session_id()==0)
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echo '<a href="index.php?'.api_get_cidreq().'&action=addnote">'.Display::return_icon('new_note.png',get_lang('NoteAddNew'),'','32').'</a>';
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elseif(api_is_allowed_to_session_edit(false,true)){
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echo '<a href="index.php?'.api_get_cidreq().'&action=addnote">'.Display::return_icon('new_note.png',get_lang('NoteAddNew'),'','32').'</a>';
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}
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} else {
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echo '<a href="javascript:void(0)">'.Display::return_icon('new_note.png',get_lang('NoteAddNew'),'','32').'</a>';
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}
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//}
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echo '<a href="index.php?'.api_get_cidreq().'&action=changeview&view=creation_date&direction='.$link_sort_direction.'">'.Display::return_icon('notes_order_by_date_new.png',get_lang('OrderByCreationDate'),'','32').'</a>';
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echo '<a href="index.php?'.api_get_cidreq().'&action=changeview&view=update_date&direction='.$link_sort_direction.'">'.Display::return_icon('notes_order_by_date_mod.png',get_lang('OrderByModificationDate'),'','32').'</a>';
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echo '<a href="index.php?'.api_get_cidreq().'&action=changeview&view=title&direction='.$link_sort_direction.'">'.Display::return_icon('notes_order_by_title.png',get_lang('OrderByTitle'),'','32').'</a>';
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echo '</div>';
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if (!in_array($_SESSION['notebook_view'],array('creation_date','update_date', 'title'))) {
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$_SESSION['notebook_view'] = 'creation_date';
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}
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// Database table definition
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$t_notebook = Database :: get_course_table(TABLE_NOTEBOOK);
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$order_by = "";
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if ($_SESSION['notebook_view'] == 'creation_date' || $_SESSION['notebook_view'] == 'update_date') {
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$order_by = " ORDER BY ".$_SESSION['notebook_view']." $sort_direction ";
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} else {
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$order_by = " ORDER BY ".$_SESSION['notebook_view']." $sort_direction ";
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}
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//condition for the session
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$session_id = api_get_session_id();
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$condition_session = api_get_session_condition($session_id);
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$cond_extra = ($_SESSION['notebook_view']== 'update_date')?" AND update_date <> '0000-00-00 00:00:00'":" ";
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$sql = "SELECT * FROM $t_notebook WHERE user_id = '".api_get_user_id()."' $condition_session $cond_extra $order_by";
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$result = Database::query($sql);
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while ($row = Database::fetch_array($result)) {
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//validacion when belongs to a session
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$session_img = api_get_session_image($row['session_id'], $_user['status']);
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$creation_date = api_get_local_time($row['creation_date'], null, date_default_timezone_get());
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$update_date = api_get_local_time($row['update_date'], null, date_default_timezone_get());
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echo '<div class="sectiontitle">';
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echo '<span style="float: right;"> ('.get_lang('CreationDate').': '.date_to_str_ago($creation_date).' <span class="dropbox_date">'.$creation_date.'</span>';
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if ($row['update_date'] <> $row['creation_date']) {
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echo ', '.get_lang('UpdateDate').': '.date_to_str_ago($update_date).' <span class="dropbox_date">'.$update_date.'</span>';
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}
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echo ')</span>';
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echo $row['title'] . $session_img;
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echo '</div>';
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echo '<div class="sectioncomment">'.$row['description'].'</div>';
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echo '<div>';
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echo '<a href="'.api_get_self().'?action=editnote&notebook_id='.$row['notebook_id'].'">'.Display::return_icon('edit.png', get_lang('Edit'),'',22).'</a>';
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echo '<a href="'.api_get_self().'?action=deletenote&notebook_id='.$row['notebook_id'].'" onclick="return confirmation(\''.$row['title'].'\');">'.Display::return_icon('delete.png', get_lang('Delete'),'',22).'</a>';
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echo '</div>';
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}
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//return $return;
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}
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}
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?>
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