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

499 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
*/
require_once '../inc/global.inc.php';
$blog_id = intval($_GET['blog_id']);
if (empty($blog_id)) {
api_not_allowed(true);
}
$this_section = SECTION_COURSES;
$current_course_tool = TOOL_BLOGS;
/* ACCESS RIGHTS */
// notice for unauthorized people.
api_protect_course_script(true);
$lib_path = api_get_path(LIBRARY_PATH);
$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();
$action = isset($_GET['action']) ? $_GET['action'] : null;
/*
PROCESSING
*/
$safe_post_file_comment = isset($_POST['post_file_comment']) ? Security::remove_XSS($_POST['post_file_comment']) : null;
$safe_comment_text = isset($_POST['comment_text']) ? Security::remove_XSS(stripslashes(api_html_entity_decode($_POST['comment_text'])), COURSEMANAGERLOWSECURITY) : null;
$safe_comment_title = isset($_POST['comment_title']) ? Security::remove_XSS($_POST['comment_title']) : null;
$safe_task_name = isset($_POST['task_name']) ? Security::remove_XSS($_POST['task_name']) : null;
$safe_task_description = isset($_POST['task_description']) ? Security::remove_XSS($_POST['task_description']) : null;
if (!empty($_POST['new_post_submit'])) {
Blog:: create_post(
$_POST['title'],
$_POST['full_text'],
$_POST['post_file_comment'],
$blog_id
);
$return_message = array('type' => 'confirmation', 'message' => get_lang('BlogAdded'));
}
if (!empty($_POST['edit_post_submit'])) {
Blog:: edit_post(
$_POST['post_id'],
$_POST['title'],
$_POST['full_text'],
$blog_id
);
$return_message = array('type' => 'confirmation', 'message' => get_lang('BlogEdited'));
}
if (!empty($_POST['new_comment_submit'])) {
Blog:: create_comment(
$_POST['title'],
$_POST['comment'],
$_POST['post_file_comment'],
$blog_id,
$_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,
$safe_task_description,
(isset($_POST['chkArticleDelete']) ? $_POST['chkArticleDelete'] : null),
(isset($_POST['chkArticleEdit']) ? $_POST['chkArticleEdit'] : null),
(isset($_POST['chkCommentsDelete']) ? $_POST['chkCommentsDelete'] : null),
(isset($_POST['task_color']) ? $_POST['task_color'] : null)
);
$return_message = array('type' => 'confirmation', 'message' => get_lang('TaskCreated'));
}
if (isset($_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_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_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, intval($_GET['task_id']), intval($_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']);
$action = ''; // 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']);
$return_message = array('type' => 'confirmation', 'message' => get_lang('RatingAdded'));
}
}
}
}
/*
DISPLAY
*/
// Set breadcrumb
switch ($action) {
case 'new_post' :
$nameTools = get_lang('NewPost');
$interbreadcrumb[] = array(
'url' => "blog.php?blog_id=$blog_id&".api_get_cidreq(),
"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&".api_get_cidreq(),
"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&".api_get_cidreq(),
"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&".api_get_cidreq(),
'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&".api_get_cidreq(),
'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&".api_get_cidreq(),
'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 $blog_id ?>&<?php echo api_get_cidreq(); ?>" title="<?php echo get_lang('Home') ?>">
<?php echo Display::return_icon('blog.png', get_lang('Home'),'',ICON_SIZE_MEDIUM); ?></a>
<?php if(api_is_allowed('BLOG_'.$blog_id, 'article_add')) { ?>
<a href="<?php echo api_get_self(); ?>?action=new_post&amp;blog_id=<?php echo $blog_id ?>" title="<?php echo get_lang('NewPost') ?>">
<?php echo Display::return_icon('new_article.png', get_lang('NewPost'),'',ICON_SIZE_MEDIUM); ?></a><?php } ?>
<?php if(api_is_allowed('BLOG_'.$blog_id, 'task_management')) { ?>
<a href="<?php echo api_get_self(); ?>?action=manage_tasks&amp;blog_id=<?php echo $blog_id ?>" title="<?php echo get_lang('ManageTasks') ?>">
<?php echo Display::return_icon('blog_tasks.png', get_lang('TaskManager'),'',ICON_SIZE_MEDIUM); ?></a><?php } ?>
<?php if(api_is_allowed('BLOG_'.$blog_id, 'member_management')) { ?>
<a href="<?php echo api_get_self(); ?>?action=manage_members&amp;blog_id=<?php echo $blog_id ?>" title="<?php echo get_lang('ManageMembers') ?>">
<?php echo Display::return_icon('blog_admin_users.png', get_lang('MemberManager'),'',ICON_SIZE_MEDIUM); ?></a><?php } ?>
<?php
echo '</div>';
// Tool introduction
Display::display_introduction_section(TOOL_BLOGS);
?>
<div class="blog-title"><h1><?php echo Blog::get_blog_title($blog_id); ?></h1></div>
<div class="sectioncomment"><p><?php echo Blog::get_blog_subtitle($blog_id); ?></p></div>
<div class="row">
<div class="col-md-3">
<div class="panel panel-default">
<div class="panel-heading"><?php echo get_lang('Calendar') ?></div>
<div class="panel-body">
<?php
$month = isset($_GET['month']) ? (int)$_GET['month'] : (int) date('m');
$year = isset($_GET['year']) ? (int)$_GET['year'] : date('Y');
Blog::display_minimonthcalendar($month, $year, $blog_id);
?>
</div>
</div>
<div class="panel panel-default">
<div class="panel-heading"><?php echo get_lang('Search') ?></div>
<div class="panel-body">
<form action="blog.php" method="get" enctype="multipart/form-data">
<div class="form-group">
<input type="hidden" name="blog_id" value="<?php echo $blog_id ?>" />
<input type="hidden" name="action" value="view_search_result" />
<input type="text" class="form-control" size="20" name="q" value="<?php echo isset($_GET['q']) ? Security::remove_XSS($_GET['q']) : ''; ?>" />
</div>
<button class="btn btn-default btn-block" type="submit"><em class="fa fa-search"></em> <?php echo get_lang('Search'); ?></button>
</form>
</div>
</div>
<div class="panel panel-default">
<div class="panel-heading"><?php echo get_lang('MyTasks') ?></div>
<div class="panel-body">
<?php Blog::get_personal_task_list(); ?>
</div>
</div>
</div>
<div class="col-md-9">
<?php
if (isset($error)) {
Display :: display_error_message($message);
}
if (isset($flag) && $flag == '1') {
$action = "manage_tasks";
Blog :: display_assign_task_form($blog_id);
}
$user_task = false;
$course_id = api_get_course_int_id();
if (isset ($_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
c_id = $course_id AND
blog_id = ".$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)
$user_task = true;
}
switch ($action) {
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['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, intval($_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, intval($_GET['post_id']));
} else {
if (isset ($_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(
$blog_id,
intval($_GET['task_id'])
);
}
if (isset($_GET['do']) && $_GET['do'] == 'edit_assignment') {
Blog :: display_edit_assigned_task_form($blog_id, intval($_GET['task_id']), intval($_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, intval($_GET['post_id']));
else
Blog :: display_select_task_post($blog_id, intval($_GET['task_id']));
break;
case 'view_search_result' :
Blog :: display_search_results($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);
}
}
?>
</div>
</div>
<?php
// Display the footer
Display::display_footer();