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

479 lines
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<?php //$Id: announcements.php 16702 2008-11-10 13:02:30Z elixir_inter $
/*
==============================================================================
Dokeos - elearning and course management software
Copyright (c) 2004-2008 Dokeos SPRL
Copyright (c) 2003 Ghent University (UGent)
Copyright (c) 2001 Universite catholique de Louvain (UCL)
Copyright (c) various contributors
For a full list of contributors, see "credits.txt".
The full license can be read in "license.txt".
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
See the GNU General Public License for more details.
Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
info@dokeos.com
==============================================================================
BLOG HOMEPAGE
This file takes care of all blog navigation and displaying.
@package dokeos.blogs
==============================================================================
*/
/*
==============================================================================
INIT
==============================================================================
*/
// name of the language file that needs to be included
$language_file = "blog";
$blog_id = intval($_GET['blog_id']);
include ('../inc/global.inc.php');
$this_section=SECTION_COURSES;
/* ------------ ACCESS RIGHTS ------------ */
// notice for unauthorized people.
api_protect_course_script(true);
//session
if(isset($_GET['id_session']))
{
$_SESSION['id_session'] = $_GET['id_session'];
}
$lib_path = api_get_path(LIBRARY_PATH);
require_once ($lib_path.'/display.lib.php');
require_once ($lib_path.'/text.lib.php');
require_once ($lib_path.'/blog.lib.php');
require_once ($lib_path.'/fckeditor/fckeditor.php');
$blog_table_attachment = Database::get_course_table(TABLE_BLOGS_ATTACHMENT);
$nameTools = get_lang('Blogs');
$DaysShort = array (get_lang('SundayShort'), get_lang('MondayShort'), get_lang('TuesdayShort'), get_lang('WednesdayShort'), get_lang('ThursdayShort'), get_lang('FridayShort'), get_lang('SaturdayShort'));
$DaysLong = array (get_lang('SundayLong'), get_lang('MondayLong'), get_lang('TuesdayLong'), get_lang('WednesdayLong'), get_lang('ThursdayLong'), get_lang('FridayLong'), get_lang('SaturdayLong'));
$MonthsLong = array (get_lang('JanuaryLong'), get_lang('FebruaryLong'), get_lang('MarchLong'), get_lang('AprilLong'), get_lang('MayLong'), get_lang('JuneLong'), get_lang('JulyLong'), get_lang('AugustLong'), get_lang('SeptemberLong'), get_lang('OctoberLong'), get_lang('NovemberLong'), get_lang('DecemberLong'));
$current_page = $_GET['action'];
/*
==============================================================================
PROCESSING
==============================================================================
*/
if (!empty($_POST['new_post_submit']))
{
Blog :: create_post($_POST['post_title'], $_POST['post_full_text'], $_POST['post_file_comment'],$blog_id);
}
if (!empty($_POST['edit_post_submit']))
{
Blog :: edit_post($_POST['post_id'], $_POST['post_title'], $_POST['post_full_text'], $blog_id);
}
if (!empty($_POST['new_comment_submit']))
{
Blog :: create_comment($_POST['comment_title'], $_POST['comment_text'], $_POST['post_file_comment'],$blog_id, (int)$_GET['post_id'], $_POST['comment_parent_id']);
}
if (!empty($_POST['new_task_submit']))
{
Blog :: create_task($blog_id, $_POST['task_name'], $_POST['task_description'], $_POST['chkArticleDelete'], $_POST['chkArticleEdit'], $_POST['chkCommentsDelete'], $_POST['task_color']);
}
if (isset($_POST['edit_task_submit']))
{
Blog :: edit_task($_POST['blog_id'], $_POST['task_id'], $_POST['task_name'], $_POST['task_description'], $_POST['chkArticleDelete'], $_POST['chkArticleEdit'],$_POST['chkCommentsDelete'], $_POST['task_color']);
}
if (!empty($_POST['assign_task_submit']))
{
Blog :: assign_task($blog_id, $_POST['task_user_id'], $_POST['task_task_id'], $_POST['task_year']."-".$_POST['task_month']."-".$_POST['task_day']);
}
if (isset($_POST['assign_task_edit_submit']))
{
Blog :: edit_assigned_task($blog_id, $_POST['task_user_id'], $_POST['task_task_id'], $_POST['task_year']."-".$_POST['task_month']."-".$_POST['task_day'], $_POST['old_user_id'], $_POST['old_task_id'], $_POST['old_target_date']);
}
if (!empty($_POST['new_task_execution_submit']))
{
Blog :: create_comment($_POST['comment_title'], $_POST['comment_text'], $blog_id, (int)$_GET['post_id'], $_POST['comment_parent_id'], $_POST['task_id']);
}
if (!empty($_POST['register']))
{
if (is_array($_POST['user'])) {
foreach ($_POST['user'] as $index => $user_id)
{
Blog :: set_user_subscribed((int)$_GET['blog_id'], $user_id);
}
}
}
if (!empty($_POST['unregister']))
{
if (is_array($_POST['user'])) {
foreach ($_POST['user'] as $index => $user_id)
{
Blog :: set_user_unsubscribed((int)$_GET['blog_id'], $user_id);
}
}
}
if (!empty($_GET['register']))
{
Blog :: set_user_subscribed((int)$_GET['blog_id'], (int)$_GET['user_id']);
$flag = 1;
}
if (!empty($_GET['unregister']))
{
Blog :: set_user_unsubscribed((int)$_GET['blog_id'], (int)$_GET['user_id']);
}
if (isset($_GET['action']) && $_GET['action'] == 'manage_tasks')
{
if (isset($_GET['do']) && $_GET['do'] == 'delete')
Blog :: delete_task($blog_id, (int)$_GET['task_id']);
if (isset($_GET['do']) && $_GET['do'] == 'delete_assignment')
Blog :: delete_assigned_task($blog_id, Database::escape_string((int)$_GET['task_id']), Database::escape_string((int)$_GET['user_id']));
}
if (isset($_GET['action']) && $_GET['action'] == 'view_post')
{
$task_id = (isset ($_GET['task_id']) && is_numeric($_GET['task_id'])) ? $_GET['task_id'] : 0;
if (isset($_GET['do']) && $_GET['do'] == 'delete_comment')
{
if (api_is_allowed('BLOG_'.$blog_id, 'article_comments_delete', $task_id))
{
Blog :: delete_comment($blog_id, (int)$_GET['post_id'],(int)$_GET['comment_id']);
}
else
{
$error = true;
$message = get_lang('ActionNotAllowed');
}
}
if (isset($_GET['do']) && $_GET['do'] == 'delete_article')
{
if (api_is_allowed('BLOG_'.$blog_id, 'article_delete', $task_id))
{
Blog :: delete_post($blog_id, (int)$_GET['article_id']);
$current_page = ''; // Article is gone, go to blog home
}
else
{
$error = true;
$message = get_lang('ActionNotAllowed');
}
}
if (isset($_GET['do']) && $_GET['do'] == 'rate')
{
if (isset($_GET['type']) && $_GET['type'] == 'post')
{
if (api_is_allowed('BLOG_'.$blog_id, 'article_rate'))
{
Blog :: add_rating('post', $blog_id, (int)$_GET['post_id'], (int)$_GET['rating']);
}
}
if (isset($_GET['type']) && $_GET['type'] == 'comment')
{
if (api_is_allowed('BLOG_'.$blog_id, 'article_comments_add'))
{
Blog :: add_rating('comment', $blog_id, (int)$_GET['comment_id'], (int)$_GET['rating']);
}
}
}
}
/*
==============================================================================
DISPLAY
==============================================================================
*/
$htmlHeadXtra[] = '<script src="tbl_change.js" type="text/javascript" language="javascript"></script>';
// Set bredcrumb
switch ($current_page)
{
case 'new_post' :
$nameTools = get_lang('NewPost');
$interbreadcrumb[] = array ('url' => "blog.php?blog_id=$blog_id", "name" => Blog :: get_blog_title($blog_id));
Display :: display_header($nameTools, 'Blogs');
break;
case 'manage_tasks' :
$nameTools = get_lang('TaskManager');
$interbreadcrumb[] = array ('url' => "blog.php?blog_id=$blog_id", "name" => Blog :: get_blog_title($blog_id));
Display :: display_header($nameTools, 'Blogs');
break;
case 'manage_members' :
$nameTools = get_lang('MemberManager');
$interbreadcrumb[] = array ('url' => "blog.php?blog_id=$blog_id", "name" => Blog :: get_blog_title($blog_id));
Display :: display_header($nameTools, 'Blogs');
break;
case 'manage_rights' :
$nameTools = get_lang('RightsManager');
$interbreadcrumb[] = array ('url' => "blog.php?blog_id=$blog_id", 'name' => Blog :: get_blog_title($blog_id));
Display :: display_header($nameTools, 'Blogs');
break;
case 'view_search_result' :
$nameTools = get_lang('SearchResults');
$interbreadcrumb[] = array ('url' => "blog.php?blog_id=$blog_id", 'name' => Blog :: get_blog_title($blog_id));
Display :: display_header($nameTools, 'Blogs');
break;
case 'execute_task' :
$nameTools = get_lang('ExecuteThisTask');
$interbreadcrumb[] = array ('url' => "blog.php?blog_id=$blog_id", 'name' => Blog :: get_blog_title($blog_id));
Display :: display_header($nameTools, 'Blogs');
break;
default :
$nameTools = Blog :: get_blog_title($blog_id);
Display :: display_header($nameTools, 'Blogs');
}
/*
-----------------------------------------------------------
Introduction section
-----------------------------------------------------------
*/
$fck_attribute['Width'] = '100%';
$fck_attribute['Height'] = '300';
$fck_attribute['ToolbarSet'] = 'Introduction';
Display::display_introduction_section(TOOL_BLOG);
$fck_attribute = null; // Clearing this global variable immediatelly after it has been used.
//
//Display::display_header($nameTools,'Blogs');
?>
<h3><?php echo Blog::get_blog_title($blog_id); ?></h3>
<h4><?php echo Blog::get_blog_subtitle($blog_id); ?></h4>
<table width="100%">
<tr>
<td width="220" class="blog_left" valign="top">
<?php
$month = (int)$_GET['month'] ? (int)$_GET['month'] : (int) date('m');
$year = (int)$_GET['year'] ? (int)$_GET['year'] : date('Y');
Blog :: display_minimonthcalendar($month, $year, $blog_id);
?>
<br />
<table width="100%">
<tr>
<td class="sectiontitle"><?php echo get_lang('ThisBlog') ?></td>
</tr>
<tr>
<td class="blog_menu">
<ul>
<li><a href="<?php echo api_get_self(); ?>?blog_id=<?php echo $blog_id ?>" title="<?php echo get_lang('Home') ?>"><?php echo get_lang('Home') ?></a></li>
<?php if(api_is_allowed('BLOG_'.$blog_id, 'article_add')) { ?><li><a href="<?php echo api_get_self(); ?>?action=new_post&amp;blog_id=<?php echo $blog_id ?>" title="<?php echo get_lang('NewPost') ?>"><?php echo get_lang('NewPost') ?></a></li><?php } ?>
<?php if(api_is_allowed('BLOG_'.$blog_id, 'task_management')) { ?><li><a href="<?php echo api_get_self(); ?>?action=manage_tasks&amp;blog_id=<?php echo $blog_id ?>" title="<?php echo get_lang('ManageTasks') ?>"><?php echo get_lang('TaskManager') ?></a></li> <?php } ?>
<?php if(api_is_allowed('BLOG_'.$blog_id, 'member_management')) { ?><li><a href="<?php echo api_get_self(); ?>?action=manage_members&amp;blog_id=<?php echo $blog_id ?>" title="<?php echo get_lang('ManageMembers') ?>"><?php echo get_lang('MemberManager') ?></a></li><?php } ?>
</ul>
</td>
</tr>
</table>
<br />
<table width="100%">
<tr>
<td class="sectiontitle"><?php echo get_lang('Search') ?></td>
</tr>
<tr>
<td class="blog_menu">
<form action="blog.php" method="get" enctype="multipart/form-data">
<input type="hidden" name="blog_id" value="<?php echo $blog_id ?>" />
<input type="hidden" name="action" value="view_search_result" />
<input type="text" size="20" name="q" value="<?php echo (isset($_GET['q']) ? $_GET['q'] : ''); ?>" /><button class="search" type="submit"><?php echo get_lang('Search'); ?></button>
</form>
</td>
</tr>
</table>
<br />
<table width="100%">
<tr>
<td class="sectiontitle"><?php echo get_lang('MyTasks') ?></td>
</tr>
<tr>
<td class="blog_menu">
<?php Blog::get_personal_task_list(); ?>
</td>
</tr>
</table>
<!--
<br />
<table width="100%">
<tr>
<td class="blog_menu_title"><?php echo get_lang('FavoriteBlogs') ?></td>
</tr>
<tr>
<td class="blog_menu">
<ul>
<li>Favorite 1</li>
<li>Favorite 2</li>
<li>Favorite 3</li>
</ul>
</td>
</tr>
</table>
<br />
<table width="100%">
<tr>
<td class="blog_menu_title"><?php echo get_lang('TopTen') ?></td>
</tr>
<tr>
<td class="blog_menu">
<ul>
<li>Blog 1</li>
<li>Blog 2</li>
<li>Blog 3</li>
</ul>
</td>
</tr>
</table>
-->
</td>
<td valign="top" class="blog_right">
<?php
if ($error)
Display :: display_error_message($message);
if ($flag == '1')
{
$current_page = "manage_tasks";
Blog :: display_assign_task_form($blog_id);
}
$user_task = false;
if (isset ($_GET['task_id']) && is_numeric($_GET['task_id']))
$task_id = (int)$_GET['task_id'];
else
{
$task_id = 0;
$tbl_blogs_tasks_rel_user = Database :: get_course_table(TABLE_BLOGS_TASKS_REL_USER);
$sql = "
SELECT COUNT(*) as number
FROM ".$tbl_blogs_tasks_rel_user."
WHERE
blog_id = ".$blog_id." AND
user_id = ".api_get_user_id()." AND
task_id = ".$task_id;
$result = api_sql_query($sql, __LINE__, __FILE__);
$row = Database::fetch_array($result);
if ($row['number'] == 1)
$user_task = true;
}
switch ($current_page)
{
case 'new_post' :
if (api_is_allowed('BLOG_'.$blog_id, 'article_add', $user_task ? $task_id : 0))
{
Blog :: display_form_new_post($blog_id);
}
else
{
api_not_allowed();
}
break;
case 'view_post' :
Blog :: display_post($blog_id, Database::escape_string((int)$_GET['post_id']));
break;
case 'edit_post' :
$task_id = (isset ($_GET['task_id']) && is_numeric($_GET['task_id'])) ? $_GET['task_id'] : 0;
if (api_is_allowed('BLOG_'.$blog_id, 'article_edit', $task_id))
Blog :: display_form_edit_post($blog_id, Database::escape_string((int)$_GET['post_id']));
else
api_not_allowed();
break;
case 'manage_members' :
if (api_is_allowed('BLOG_'.$blog_id, 'member_management'))
{
Blog :: display_form_user_subscribe($blog_id);
echo '<br /><br />';
Blog :: display_form_user_unsubscribe($blog_id);
}
else
api_not_allowed();
break;
case 'manage_rights' :
Blog :: display_form_user_rights($blog_id);
break;
case 'manage_tasks' :
if (api_is_allowed('BLOG_'.$blog_id, 'task_management'))
{
if (isset($_GET['do']) && $_GET['do'] == 'add')
{
Blog :: display_new_task_form($blog_id);
}
if (isset($_GET['do']) && $_GET['do'] == 'assign')
{
Blog :: display_assign_task_form($blog_id);
}
if (isset($_GET['do']) && $_GET['do'] == 'edit')
{
Blog :: display_edit_task_form($blog_id, Database::escape_string($_GET['task_id']));
}
if (isset($_GET['do']) && $_GET['do'] == 'edit_assignment')
{
Blog :: display_edit_assigned_task_form($blog_id, Database::escape_string((int)$_GET['task_id']), Database::escape_string((int)$_GET['user_id']));
}
Blog :: display_task_list($blog_id);
echo '<br /><br />';
Blog :: display_assigned_task_list($blog_id);
echo '<br /><br />';
}
else
api_not_allowed();
break;
case 'execute_task' :
if (isset ($_GET['post_id']))
Blog :: display_post($blog_id, Database::escape_string((int)$_GET['post_id']));
else
Blog :: display_select_task_post($blog_id, Database::escape_string((int)$_GET['task_id']));
break;
case 'view_search_result' :
Blog :: display_search_results($blog_id, Database::escape_string($_GET['q']));
break;
case '' :
default :
if (isset ($_GET['filter']) && !empty ($_GET['filter']))
{
Blog :: display_day_results($blog_id, Database::escape_string($_GET['filter']));
}
else
{
Blog :: display_blog_posts($blog_id);
}
}
?>
</td>
</tr>
</table>
<?php
// Display the footer
Display::display_footer();
?>