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

522 lines
16 KiB

<?php
/* For licensing terms, see /license.txt */
/**
BLOG HOMEPAGE
This file takes care of all blog navigation and displaying.
@package chamilo.blogs
*/
/*
INIT
*/
// name of the language file that needs to be included
$language_file = "blog";
$blog_id = intval($_GET['blog_id']);
require_once '../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'])) {
$_SESSION['id_session'] = intval($_GET['id_session']);
}
$lib_path = api_get_path(LIBRARY_PATH);
require_once $lib_path.'display.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 = api_get_week_days_short();
$DaysLong = api_get_week_days_long();
$MonthsLong = api_get_months_long();
$current_page = $_GET['action'];
/*
PROCESSING
*/
$safe_post_title = Security::remove_XSS($_POST['post_title']);
$safe_post_file_comment = Security::remove_XSS($_POST['post_file_comment']);
$safe_post_full_text = Security::remove_XSS(stripslashes(api_html_entity_decode($_POST['post_full_text'])), COURSEMANAGERLOWSECURITY);
$safe_comment_text = Security::remove_XSS(stripslashes(api_html_entity_decode($_POST['comment_text'])), COURSEMANAGERLOWSECURITY);
$safe_comment_title = Security::remove_XSS($_POST['comment_title']);
$safe_task_name = Security::remove_XSS($_POST['task_name']);
$safe_task_description = Security::remove_XSS($_POST['task_description']);
if (!empty($_POST['new_post_submit']) AND !empty($_POST['post_title']))
{
Blog :: create_post($safe_post_title, $safe_post_full_text, $safe_post_file_comment,$blog_id);
$return_message = array('type' => 'confirmation', 'message' => get_lang('BlogAdded'));
}
if (!empty($_POST['edit_post_submit']))
{
$safe_post_title = Security::remove_XSS($_POST['post_title']);
Blog :: edit_post($_POST['post_id'], $safe_post_title, $safe_post_full_text, $blog_id);
$return_message = array('type' => 'confirmation', 'message' => get_lang('BlogEdited'));
}
if (!empty($_POST['new_comment_submit']))
{
Blog :: create_comment($safe_comment_title, $safe_comment_text, $safe_post_file_comment,$blog_id, (int)$_GET['post_id'], $_POST['comment_parent_id']);
$return_message = array('type' => 'confirmation', 'message' => get_lang('CommentAdded'));
}
if (!empty($_POST['new_task_submit']))
{
Blog :: create_task($blog_id, $safe_task_name, $safe_task_description, $_POST['chkArticleDelete'], $_POST['chkArticleEdit'], $_POST['chkCommentsDelete'], $_POST['task_color']);
$return_message = array('type' => 'confirmation', 'message' => get_lang('TaskCreated'));
}
if (isset($_POST['edit_task_submit']))
{
Blog :: edit_task($_POST['blog_id'], $_POST['task_id'], $safe_task_name, $safe_task_description, $_POST['chkArticleDelete'], $_POST['chkArticleEdit'],$_POST['chkCommentsDelete'], $_POST['task_color']);
$return_message = array('type' => 'confirmation', 'message' => get_lang('TaskEdited'));
}
if (!empty($_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']);
$return_message = array('type' => 'confirmation', 'message' => get_lang('TaskAssigned'));
}
if (isset($_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']);
$return_message = array('type' => 'confirmation', 'message' => get_lang('AssignedTaskEdited'));
}
if (!empty($_POST['new_task_execution_submit']))
{
Blog :: create_comment($safe_comment_title, $safe_comment_text, $blog_id, (int)$_GET['post_id'], $_POST['comment_parent_id'], $_POST['task_id']);
$return_message = array('type' => 'confirmation', 'message' => get_lang('CommentCreated'));
}
if (!empty($_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']);
$return_message = array('type' => 'confirmation', 'message' => get_lang('UserRegistered'));
$flag = 1;
}
if (!empty($_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']);
$return_message = array('type' => 'confirmation', 'message' => get_lang('TaskDeleted'));
}
if (isset($_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']));
$return_message = array('type' => 'confirmation', 'message' => get_lang('TaskAssignmentDeleted'));
}
}
if (isset($_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']);
$return_message = array('type' => 'confirmation', 'message' => get_lang('CommentDeleted'));
}
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
$return_message = array('type' => 'confirmation', 'message' => get_lang('BlogDeleted'));
}
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']);
$return_message = array('type' => 'confirmation', 'message' => get_lang('RatingAdded'));
}
}
if (isset($_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']);
$return_message = array('type' => 'confirmation', 'message' => get_lang('RatingAdded'));
}
}
}
}
/*
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($nameTools, 'Blogs');
}
// feedback messages
if (!empty($return_message))
{
if ($return_message['type'] == 'confirmation')
{
Display::display_confirmation_message($return_message['message']);
}
if ($return_message['type'] == 'error')
{
Display::display_error_message($return_message['message']);
}
}
// actions
echo '<div class=actions>';
?>
<a href="<?php echo api_get_self(); ?>?blog_id=<?php echo $blog_id ?>" title="<?php echo get_lang('Home') ?>"><?php echo Display::return_icon('blog.png', get_lang('Home'),'','32'); ?></a>
<?php if(api_is_allowed('BLOG_'.$blog_id, 'article_add')) { ?><a href="<?php echo api_get_self(); ?>?action=new_post&amp;blog_id=<?php echo $blog_id ?>" title="<?php echo get_lang('NewPost') ?>"><?php echo Display::return_icon('new_article.png', get_lang('NewPost'),'','32'); ?></a><?php } ?>
<?php if(api_is_allowed('BLOG_'.$blog_id, 'task_management')) { ?><a href="<?php echo api_get_self(); ?>?action=manage_tasks&amp;blog_id=<?php echo $blog_id ?>" title="<?php echo get_lang('ManageTasks') ?>"><?php echo Display::return_icon('blog_tasks.png', get_lang('TaskManager'),'','32'); ?></a><?php } ?>
<?php if(api_is_allowed('BLOG_'.$blog_id, 'member_management')) { ?><a href="<?php echo api_get_self(); ?>?action=manage_members&amp;blog_id=<?php echo $blog_id ?>" title="<?php echo get_lang('ManageMembers') ?>"><?php echo Display::return_icon('blog_admin_users.png', get_lang('MemberManager'),'','32'); ?></a><?php } ?>
<?php
echo '</div>';
// Tool introduction
Display::display_introduction_section(TOOL_BLOG);
//Display::display_header($nameTools,'Blogs');
?>
<div class="sectiontitle"><?php echo Blog::get_blog_title($blog_id); ?></div>
<div class="sectioncomment"><?php echo Blog::get_blog_subtitle($blog_id); ?></div>
<table width="100%">
<tr>
<td width="10%" style="float;left;" 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 />
<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;
$result = Database::query($sql);
$row = Database::fetch_array($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 ? $task_id : 0))
{
// we show the form if
// 1. no post data
// 2. there is post data and the required field is empty
if (!$_POST OR (!empty($_POST) AND empty($_POST['post_title'])))
{
// if there is post data there is certainly an error in the form
if ($_POST)
{
Display::display_error_message(get_lang('FormHasErrorsPleaseComplete'));
}
Blog :: display_form_new_post($blog_id);
}
else
{
if (isset ($_GET['filter']) && !empty ($_GET['filter']))
{
Blog :: display_day_results($blog_id, Database::escape_string($_GET['filter']));
}
else
{
Blog :: display_blog_posts($blog_id);
}
}
}
else
{
api_not_allowed();
}
break;
case 'view_post' :
Blog :: display_post($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', $task_id))
{
// we show the form if
// 1. no post data
// 2. there is post data and the required field is empty
if (!$_POST OR (!empty($_POST) AND empty($_POST['post_title'])))
{
// if there is post data there is certainly an error in the form
if ($_POST)
{
Display::display_error_message(get_lang('FormHasErrorsPleaseComplete'));
}
Blog :: display_form_edit_post($blog_id, Database::escape_string((int)$_GET['post_id']));
}
else
{
if (isset ($_GET['filter']) && !empty ($_GET['filter']))
{
Blog :: display_day_results($blog_id, Database::escape_string($_GET['filter']));
}
else
{
Blog :: display_blog_posts($blog_id);
}
}
}
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();
?>