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

444 lines
15 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 __DIR__.'/../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($_POST['comment_text']) : 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['edit_post_submit'])) {
Blog::editPost(
$_POST['post_id'],
$_POST['title'],
$_POST['full_text'],
$blog_id
);
Display::addFlash(
Display::return_message(get_lang('BlogEdited'), 'success')
);
}
if (!empty($_POST['new_task_submit'])) {
Blog::addTask(
$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']) ? $_POST['task_color'] : null)
);
Display::addFlash(
Display::return_message(get_lang('TaskCreated'), 'success')
);
}
if (isset($_POST['edit_task_submit'])) {
Blog::editTask(
$_POST['blog_id'],
$_POST['task_id'],
$safe_task_name,
$safe_task_description,
$_POST['chkArticleDelete'],
$_POST['chkArticleEdit'],
$_POST['chkCommentsDelete'],
$_POST['task_color']
);
Display::addFlash(
Display::return_message(get_lang('TaskEdited'), 'success')
);
}
if (!empty($_POST['assign_task_submit'])) {
Blog::assignTask(
$blog_id,
$_POST['task_user_id'],
$_POST['task_task_id'],
$_POST['task_day']
);
Display::addFlash(
Display::return_message(get_lang('TaskAssigned'), 'success')
);
}
if (isset($_POST['assign_task_edit_submit'])) {
Blog::updateAssignedTask(
$blog_id,
$_POST['task_user_id'],
$_POST['task_task_id'],
$_POST['task_day'],
$_POST['old_user_id'],
$_POST['old_task_id'],
$_POST['old_target_date']
);
Display::addFlash(
Display::return_message(get_lang('AssignedTaskEdited'), 'success')
);
}
if (!empty($_POST['register'])) {
if (is_array($_POST['user'])) {
foreach ($_POST['user'] as $index => $user_id) {
Blog::subscribeUser((int) $_GET['blog_id'], $user_id);
}
}
}
if (!empty($_POST['unregister'])) {
if (is_array($_POST['user'])) {
foreach ($_POST['user'] as $index => $user_id) {
Blog::unsubscribeUser($_GET['blog_id'], $user_id);
}
}
}
if (!empty($_GET['register'])) {
Blog::subscribeUser((int) $_GET['blog_id'], (int) $_GET['user_id']);
Display::addFlash(
Display::return_message(get_lang('UserRegistered'), 'success')
);
$flag = 1;
}
if (!empty($_GET['unregister'])) {
Blog::unsubscribeUser($_GET['blog_id'], $_GET['user_id']);
}
if (isset($_GET['action']) && $_GET['action'] == 'manage_tasks') {
if (isset($_GET['do']) && $_GET['do'] == 'delete') {
Blog::deleteTask($blog_id, (int) $_GET['task_id']);
Display::addFlash(
Display::return_message(get_lang('TaskDeleted'), 'success')
);
}
if (isset($_GET['do']) && $_GET['do'] == 'delete_assignment') {
Blog::deleteAssignedTask($blog_id, intval($_GET['task_id']), intval($_GET['user_id']));
Display::addFlash(
Display::return_message(get_lang('TaskAssignmentDeleted'), 'success')
);
}
}
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', $task_id)) {
Blog::deleteComment($blog_id, (int) $_GET['post_id'], (int) $_GET['comment_id']);
Display::addFlash(
Display::return_message(get_lang('CommentDeleted'), 'success')
);
} else {
Display::addFlash(
Display::return_message(get_lang('ActionNotAllowed'), 'error')
);
}
}
if (isset($_GET['do']) && $_GET['do'] == 'delete_article') {
if (api_is_allowed('BLOG_'.$blog_id, 'article_delete', $task_id)) {
Blog::deletePost($blog_id, (int) $_GET['article_id']);
$action = ''; // Article is gone, go to blog home
Display::addFlash(
Display::return_message(get_lang('BlogDeleted'), 'success')
);
} else {
Display::addFlash(
Display::return_message(get_lang('ActionNotAllowed'), 'error')
);
}
}
if (isset($_GET['do']) && $_GET['do'] == 'rate') {
if (isset($_GET['type']) && $_GET['type'] == 'post') {
if (api_is_allowed('BLOG_'.$blog_id, 'article_rate')) {
Blog::addRating('post', $blog_id, (int) $_GET['post_id'], (int) $_GET['rating']);
Display::addFlash(
Display::return_message(get_lang('RatingAdded'), 'success')
);
}
}
if (isset($_GET['type']) && $_GET['type'] == 'comment') {
if (api_is_allowed('BLOG_'.$blog_id, 'article_comments_add')) {
Blog::addRating('comment', $blog_id, (int) $_GET['comment_id'], (int) $_GET['rating']);
Display::addFlash(
Display::return_message(get_lang('RatingAdded'), 'success')
);
}
}
}
}
/*
DISPLAY
*/
// Set breadcrumb
switch ($action) {
case 'new_post':
$nameTools = get_lang('NewPost');
break;
case 'view_post':
$nameTools = '';
break;
case 'manage_tasks':
$nameTools = get_lang('TaskManager');
break;
case 'manage_members':
$nameTools = get_lang('MemberManager');
break;
case 'manage_rights':
$nameTools = get_lang('RightsManager');
break;
case 'view_search_result':
$nameTools = get_lang('SearchResults');
break;
case 'execute_task':
$nameTools = get_lang('ExecuteThisTask');
break;
default:
$nameTools = Blog::getBlogTitle($blog_id);
}
$interbreadcrumb[] = array(
'url' => "blog.php?blog_id=$blog_id&".api_get_cidreq(),
'name' => Blog::getBlogTitle($blog_id),
);
$actionsLeft = Display::url(
Display::return_icon('blog.png', get_lang('Home'), '', ICON_SIZE_MEDIUM),
api_get_self().'?blog_id='.$blog_id.'&'.api_get_cidreq()
);
if (api_is_allowed('BLOG_'.$blog_id, 'article_add')) {
$actionsLeft .= Display::url(
Display::return_icon('new_article.png', get_lang('NewPost'), '', ICON_SIZE_MEDIUM),
api_get_self().'?action=new_post&blog_id='.$blog_id.'&'.api_get_cidreq()
);
}
if (api_is_allowed('BLOG_'.$blog_id, 'task_management')) {
$actionsLeft .= Display::url(
Display::return_icon('blog_tasks.png', get_lang('TaskManager'), '', ICON_SIZE_MEDIUM),
api_get_self().'?action=manage_tasks&blog_id='.$blog_id.'&'.api_get_cidreq()
);
}
if (api_is_allowed('BLOG_'.$blog_id, 'member_management')) {
$actionsLeft .= Display::url(
Display::return_icon('blog_admin_users.png', get_lang('MemberManager'), '', ICON_SIZE_MEDIUM),
api_get_self().'?action=manage_members&blog_id='.$blog_id.'&'.api_get_cidreq()
);
}
$titleBlog = Blog::getBlogTitle($blog_id);
$descriptionBlog = Blog::getBlogSubtitle($blog_id);
$idBlog = $blog_id;
$searchBlog = isset($_GET['q']) ? Security::remove_XSS($_GET['q']) : '';
//calendar blog
$month = isset($_GET['month']) ? (int) $_GET['month'] : (int) date('m');
$year = isset($_GET['year']) ? (int) $_GET['year'] : date('Y');
$calendarBlog = Blog::displayMiniMonthCalendar($month, $year, $blog_id);
//task blogs
$taskBlog = Blog::getPersonalTasksList();
if (isset($flag) && $flag == '1') {
$action = "manage_tasks";
Blog::displayTaskAssignmentForm($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;
}
}
$tpl = new Template($nameTools);
$tpl->setHelp('Blogs');
$tpl->assign('title', $titleBlog);
$tpl->assign('description', $descriptionBlog);
$tpl->assign('id_blog', $idBlog);
$tpl->assign('calendar', $calendarBlog);
$tpl->assign('search', $searchBlog);
$tpl->assign('task', $taskBlog);
$blogLayout = null;
switch ($action) {
case 'new_post':
$formAdd = '';
if (api_is_allowed('BLOG_'.$blog_id, 'article_add', $user_task ? $task_id : 0)) {
$formAdd = Blog::displayPostCreateForm($blog_id);
$tpl->assign('content', $formAdd);
$blogLayout = $tpl->get_template('blog/layout.tpl');
} else {
api_not_allowed();
}
break;
case 'view_post':
$postArticle = Blog::getSinglePost($blog_id, intval($_GET['post_id']));
$tpl->assign('post', $postArticle);
$blogLayout = $tpl->get_template('blog/post.tpl');
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 || (!empty($_POST) && empty($_POST['post_title']))) {
// if there is post data there is certainly an error in the form
$formEdit = Blog::displayPostEditForm($blog_id, intval($_GET['post_id']));
$tpl->assign('content', $formEdit);
$blogLayout = $tpl->get_template('blog/layout.tpl');
if ($_POST) {
$post = Blog::getSinglePost($blog_id, intval($_GET['post_id']));
$tpl->assign('post', $post);
$blogLayout = $tpl->get_template('blog/post.tpl');
}
}
} else {
api_not_allowed();
}
break;
case 'manage_members':
$manage = null;
if (api_is_allowed('BLOG_'.$blog_id, 'member_management')) {
$manage .= Blog::displayUserSubscriptionForm($blog_id);
$manage .= Blog::displayUserUnsubscriptionForm($blog_id);
} else {
api_not_allowed();
}
$tpl->assign('content', $manage);
$blogLayout = $tpl->get_template('blog/layout.tpl');
break;
case 'manage_rights':
$manage = Blog::displayUserRightsForm($blog_id);
$tpl->assign('content', $manage);
$blogLayout = $tpl->get_template('blog/layout.tpl');
break;
case 'manage_tasks':
if (api_is_allowed('BLOG_'.$blog_id, 'task_management')) {
$task = null;
if (isset($_GET['do']) && $_GET['do'] == 'add') {
$task .= Blog::displayTaskCreateForm($blog_id);
}
if (isset($_GET['do']) && $_GET['do'] == 'assign') {
$task .= Blog::displayTaskAssignmentForm($blog_id);
}
if (isset($_GET['do']) && $_GET['do'] == 'edit') {
$task .= Blog::displayTaskEditForm(
$blog_id,
intval($_GET['task_id'])
);
}
if (isset($_GET['do']) && $_GET['do'] == 'edit_assignment') {
$task .= Blog::displayAssignedTaskEditForm(
$blog_id,
intval($_GET['task_id']),
intval($_GET['user_id'])
);
}
$task .= Blog::displayTasksList($blog_id);
$task .= Blog::displayAssignedTasksList($blog_id);
$tpl->assign('content', $task);
$blogLayout = $tpl->get_template('blog/layout.tpl');
} else {
api_not_allowed();
}
break;
case 'execute_task':
if (isset($_GET['post_id'])) {
$post = Blog::getSinglePost($blog_id, intval($_GET['post_id']));
$tpl->assign('post', $post);
$blogLayout = $tpl->get_template('blog/post.tpl');
} else {
$taskPost = Blog::displayPostSelectionForTask($blog_id, intval($_GET['task_id']));
$tpl->assign('content', $taskPost);
$blogLayout = $tpl->get_template('blog/layout.tpl');
}
break;
case 'view_search_result':
$listArticles = Blog::getSearchResults($blog_id, Database::escape_string($_GET['q']));
$titleSearch = get_lang('SearchResults');
$tpl->assign('search', $titleSearch);
$tpl->assign('articles', $listArticles);
$blogLayout = $tpl->get_template('blog/blog.tpl');
break;
case '':
default:
if (isset($_GET['filter']) && !empty($_GET['filter'])) {
$listArticles = Blog::getDailyResults($blog_id, Database::escape_string($_GET['filter']));
$dateSearch = api_format_date($_GET['filter'], DATE_FORMAT_LONG);
$titleSearch = get_lang('PostsOf').' '.$dateSearch;
$tpl->assign('search', $titleSearch);
$tpl->assign('articles', $listArticles);
$blogLayout = $tpl->get_template('blog/blog.tpl');
} else {
$listArticles = Blog::getPosts($blog_id);
$tpl->assign('articles', $listArticles);
$blogLayout = $tpl->get_template('blog/blog.tpl');
}
break;
}
$content = Display::return_introduction_section(TOOL_BLOGS);
$content .= $tpl->fetch($blogLayout);
if ($actionsLeft) {
$tpl->assign(
'actions',
Display::toolbarAction('toolbar', [$actionsLeft])
);
}
$tpl->assign('content', $content);
$tpl->display_one_col_template();