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342 lines
17 KiB
342 lines
17 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* These files are a complete rework of the forum. The database structure is
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* based on phpBB but all the code is rewritten. A lot of new functionalities
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* are added:
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* - forum categories and forums can be sorted up or down, locked or made invisible
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* - consistent and integrated forum administration
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* - forum options: are students allowed to edit their post?
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* moderation of posts (approval)
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* reply only forums (students cannot create new threads)
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* multiple forums per group
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* - sticky messages
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* - new view option: nested view
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* - quoting a message
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*
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* @Author Patrick Cool <patrick.cool@UGent.be>, Ghent University
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* @Copyright Ghent University
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* @Copyright Patrick Cool
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*
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* @package chamilo.forum
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*/
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// Language file that needs to be included.
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$language_file = 'forum';
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// Including the global initialization file.
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require_once '../inc/global.inc.php';
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$htmlHeadXtra[] = '<script type="text/javascript" language="javascript">
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$(document).ready(function(){ $(\'.hide-me\').slideUp() });
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function hidecontent(content){ $(content).slideToggle(\'normal\'); }
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</script>';
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$htmlHeadXtra[] = '<script type="text/javascript">
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function advanced_parameters() {
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if (document.getElementById(\'options\').style.display == \'none\') {
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document.getElementById(\'options\').style.display = \'block\';
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document.getElementById(\'plus_minus\').innerHTML=\' '.Display::return_icon('div_hide.gif',get_lang('Hide'),array('style'=>'vertical-align:middle')).' '.get_lang('AdvancedParameters').'\';
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} else {
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document.getElementById(\'options\').style.display = \'none\';
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document.getElementById(\'plus_minus\').innerHTML=\' '.Display::return_icon('div_show.gif',get_lang('Show'),array('style'=>'vertical-align:middle')).' '.get_lang('AdvancedParameters').'\';
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}
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}
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</script>';
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// The section (tabs)
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$this_section = SECTION_COURSES;
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// Notification for unauthorized people.
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api_protect_course_script(true);
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// Including additional library scripts.
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$nameTools = get_lang('ToolForum');
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// Including necessary files
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require 'forumconfig.inc.php';
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require_once 'forumfunction.inc.php';
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/* Header and Breadcrumbs */
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$gradebook = null;
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if (isset($_SESSION['gradebook'])) {
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$gradebook= $_SESSION['gradebook'];
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}
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if (!empty($gradebook) && $gradebook == 'view') {
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$interbreadcrumb[] = array (
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'url' => '../gradebook/'.$_SESSION['gradebook_dest'],
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'name' => get_lang('ToolGradebook')
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);
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}
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$current_forum_category = get_forum_categories($_GET['forumcategory']);
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$interbreadcrumb[] = array('url' => 'index.php?gradebook='.$gradebook.'&search='.Security::remove_XSS(urlencode(isset($_GET['search'])?$_GET['search']:'')),'name' => get_lang('Forum'));
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if (!empty($_GET['action']) && !empty($_GET['content'])) {
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if ($_GET['action']=='add' && $_GET['content']=='forum' ) {
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$interbreadcrumb[] = array('url' =>'viewforumcategory.php?forumcategory='.$current_forum_category['cat_id'].'&origin='.$origin,'name' => $current_forum_category['cat_title']);
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$interbreadcrumb[] = array('url' =>'#', 'name' => get_lang('AddForum'));
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}
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} else {
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$interbreadcrumb[] = array('url' => '#','name' => $current_forum_category['cat_title']);
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}
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// Are we in a lp ?
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$origin = '';
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if (isset($_GET['origin'])) {
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$origin = Security::remove_XSS($_GET['origin']);
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}
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if ($origin=='learnpath') {
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Display::display_reduced_header();
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} else {
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Display::display_header(null);
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}
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/* ACTIONS */
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$whatsnew_post_info = isset($_SESSION['whatsnew_post_info']) ? $_SESSION['whatsnew_post_info'] : null;
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/* Is the user allowed here? */
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// if the user is not a course administrator and the forum is hidden
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// then the user is not allowed here.
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if (!api_is_allowed_to_edit(false,true) AND ($current_forum_category && $current_forum_category['visibility']==0)) {
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api_not_allowed();
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}
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/* Action Links */
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echo '<div class="actions">';
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echo '<span style="float:right;">'.search_link().'</span>';
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echo '<a href="index.php?gradebook='.$gradebook.'&'.api_get_cidreq().'">'.
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Display::return_icon('back.png', get_lang('BackToForumOverview'), '', ICON_SIZE_MEDIUM).'</a>';
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if (api_is_allowed_to_edit(false,true)) {
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echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&forumcategory='.$current_forum_category['cat_id'].'&action=add&content=forum"> '.Display::return_icon('new_forum.png', get_lang('AddForum'),'',ICON_SIZE_MEDIUM).'</a>';
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}
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echo '</div>';
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/* ACTIONS */
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$action_forums = isset($_GET['action']) ? $_GET['action'] : '';
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if (api_is_allowed_to_edit(false, true)) {
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handle_forum_and_forumcategories();
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}
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// Notification
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if ($action_forums == 'notify' && isset($_GET['content']) && isset($_GET['id'])) {
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$return_message = set_notification($_GET['content'], $_GET['id']);
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Display :: display_confirmation_message($return_message, false);
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}
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if ($action_forums != 'add') {
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/*
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RETRIEVING ALL THE FORUM CATEGORIES AND FORUMS
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Note: We do this here just after het handling of the actions to be sure that we already incorporate the
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latest changes.
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*/
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// Step 1: We store all the forum categories in an array $forum_categories.
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$forum_categories = array();
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$forum_category = get_forum_categories($_GET['forumcategory']);
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// Step 2: We find all the forums.
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$forum_list = array();
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$forum_list = get_forums();
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/* RETRIEVING ALL GROUPS AND THOSE OF THE USER */
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// The groups of the user.
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$groups_of_user = array();
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$groups_of_user = GroupManager::get_group_ids($_course['real_id'], $_user['user_id']);
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// All groups in the course (and sorting them as the id of the group = the key of the array.
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$all_groups = GroupManager::get_group_list();
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if (is_array($all_groups)) {
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foreach ($all_groups as $group) {
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$all_groups[$group['id']] = $group;
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}
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}
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/* CLEAN GROUP ID FOR AJAXFILEMANAGER */
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if (isset($_SESSION['_gid'])) {
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unset($_SESSION['_gid']);
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}
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/* Display Forum Categories and the Forums in it */
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echo '<table class="forum_table" width="100%">';
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$my_session = isset($_SESSION['id_session']) ? $_SESSION['id_session'] : null;
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if ((!isset($_SESSION['id_session']) || $_SESSION['id_session'] == 0) && !empty($forum_category['session_name'])) {
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$session_displayed = ' ('.Security::remove_XSS($forum_category['session_name']).')';
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} else {
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$session_displayed = '';
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}
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$forum_categories_list = '';
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echo '<thead>';
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echo '<tr><th class="forum_head" '.(api_is_allowed_to_edit(null, true) ? 'colspan="5"' : 'colspan="6"').'>';
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echo '<a href="viewforumcategory.php?'.api_get_cidreq().'&forumcategory='.strval(intval($forum_category['cat_id'])).'" '.class_visible_invisible(strval(intval($forum_category['visibility']))).'>'.prepare4display($forum_category['cat_title']).$session_displayed.'</a>'. $session_img .'<br />';
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echo '<span class="forum_description">'.prepare4display($forum_category['cat_comment']).'</span>';
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if (api_is_allowed_to_edit(false, true) && !($forum_category['session_id'] == 0 && intval($my_session) != 0)) {
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echo '<th style="vertical-align: top;" align="center">';
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echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&forumcategory='.Security::remove_XSS($_GET['forumcategory']).'&action=edit&content=forumcategory&id='.$forum_category['cat_id'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array(), ICON_SIZE_SMALL).'</a>';
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echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&forumcategory='.Security::remove_XSS($_GET['forumcategory']).'&action=delete&content=forumcategory&amp;id='.$forum_category['cat_id']."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('DeleteForumCategory'), ENT_QUOTES))."')) return false;\">".Display::return_icon('delete.png', get_lang('Delete'), array(), ICON_SIZE_SMALL).'</a>';
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display_visible_invisible_icon('forumcategory', $forum_category['cat_id'], $forum_category['visibility'], array('forumcategory' => $_GET['forumcategory']));
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display_lock_unlock_icon('forumcategory', $forum_category['cat_id'], $forum_category['locked'], array('forumcategory' => $_GET['forumcategory']));
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display_up_down_icon('forumcategory', $forum_category['cat_id'], $forum_categories_list);
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echo '</th>';
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}
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echo '</tr>';
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// Step 3: The interim headers (for the forum).
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echo '<tr class="forum_header">';
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echo '<td colspan="2">'.get_lang('Forum').'</td>';
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echo '<td>'.get_lang('ForumThreads').'</td>';
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echo '<td>'.get_lang('Posts').'</td>';
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echo '<td>'.get_lang('LastPosts').'</td>';
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echo '<td>'.get_lang('Actions').'</td>';
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echo '</tr>';
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echo '</thead>';
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// The forums in this category.
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$forums_in_category = get_forums_in_category($forum_category['cat_id']);
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// Step 4: We display all the forums in this category.
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$forum_count = 0;
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foreach ($forum_list as $key => $forum) {
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if ($forum['forum_category'] == $forum_category['cat_id']) {
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// The forum has to be showed if
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// 1.v it is a not a group forum (teacher and student)
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// 2.v it is a group forum and it is public (teacher and student)
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// 3. it is a group forum and it is private (always for teachers only if the user is member of the forum
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// if the forum is private and it is a group forum and the user is not a member of the group forum then it cannot be displayed
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//if (!($forum['forum_group_public_private']=='private' AND !is_null($forum['forum_of_group']) AND !in_array($forum['forum_of_group'], $groups_of_user))) {
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$show_forum = false;
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// SHOULD WE SHOW THIS PARTICULAR FORUM
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// you are teacher => show forum
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if (api_is_allowed_to_edit(false,true)) {
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//echo 'teacher';
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$show_forum = true;
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} else {
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// you are not a teacher
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//echo 'student';
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// it is not a group forum => show forum (invisible forums are already left out see get_forums function)
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if ($forum['forum_of_group'] == '0') {
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//echo '-gewoon forum';
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$show_forum = true;
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} else {
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// it is a group forum
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//echo '-groepsforum';
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// it is a group forum but it is public => show
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if ($forum['forum_group_public_private'] == 'public') {
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$show_forum = true;
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//echo '-publiek';
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} else {
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// it is a group forum and it is private
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//echo '-prive';
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// it is a group forum and it is private but the user is member of the group
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if (in_array($forum['forum_of_group'], $groups_of_user)) {
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//echo '-is lid';
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$show_forum = true;
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} else {
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//echo '-is GEEN lid';
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$show_forum = false;
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}
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}
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}
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}
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//echo '<hr />';
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$form_count = isset($form_count) ? $form_count : 0;
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if ($show_forum === true) {
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$form_count++;
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echo '<tr class="forum">';
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echo '<td width="20">';
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$my_whatsnew_post_info = isset($whatsnew_post_info[$forum['forum_id']]) ? $whatsnew_post_info[$forum['forum_id']] : null;
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if ($forum['forum_of_group'] !== '0') {
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if (is_array($my_whatsnew_post_info) && !empty($my_whatsnew_post_info)) {
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echo Display::return_icon('forumgroupnew.gif');
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} else {
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echo Display::return_icon('forumgroup.gif', get_lang('GroupForum'));
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}
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} else {
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if (is_array($my_whatsnew_post_info) && !empty($my_whatsnew_post_info)) {
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echo Display::return_icon('forum.gif', get_lang('Forum'));
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} else {
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echo Display::return_icon('forum.gif');
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}
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}
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echo '</td>';
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if ($forum['forum_of_group'] != '0') {
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$my_all_groups_forum_name = isset($all_groups[$forum['forum_of_group']]['name']) ? $all_groups[$forum['forum_of_group']]['name'] : null;
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$my_all_groups_forum_id = isset($all_groups[$forum['forum_of_group']]['id']) ? $all_groups[$forum['forum_of_group']]['id'] : null;
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$group_title = api_substr($my_all_groups_forum_name, 0, 30);
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$forum_title_group_addition = ' (<a href="../group/group_space.php?'.api_get_cidreq().'&gidReq='.$my_all_groups_forum_id.'" class="forum_group_link">'.get_lang('GoTo').' '.$group_title.'</a>)';
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} else {
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$forum_title_group_addition = '';
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}
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if ((!isset($_SESSION['id_session']) || $_SESSION['id_session'] == 0) && !empty($forum['session_name'])) {
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$session_displayed = ' ('.$forum['session_name'].')';
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} else {
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$session_displayed = '';
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}
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echo '<td><a href="viewforum.php?'.api_get_cidreq().'&gidReq='.$forum['forum_of_group'].'&forum='.$forum['forum_id'].'&origin='.$origin.'&search='.Security::remove_XSS(urlencode(isset($_GET['search']) ? $_GET['search'] : '')).'" '.class_visible_invisible($forum['visibility']).'>'.prepare4display($forum['forum_title']).$session_displayed.'</a>'.$forum_title_group_addition.'<br />'.prepare4display($forum['forum_comment']).'</td>';
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//$number_forum_topics_and_posts=get_post_topics_of_forum($forum['forum_id']); // deprecated
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// the number of topics and posts
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$my_number_threads = isset($forum['number_of_threads']) ? $forum['number_of_threads'] : '';
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$my_number_posts = isset($forum['number_of_posts']) ? $forum['number_of_posts'] : '';
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echo '<td>'.$my_number_threads.'</td>';
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echo '<td>'.$my_number_posts.'</td>';
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// the last post in the forum
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if ($forum['last_poster_name'] != '') {
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$name = $forum['last_poster_name'];
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$poster_id = 0;
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} else {
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$name = api_get_person_name($forum['last_poster_firstname'], $forum['last_poster_lastname']);
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$poster_id = $forum['last_poster_id'];
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}
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echo '<td>';
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if (!empty($forum['last_post_id'])) {
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echo $forum['last_post_date'].' '.get_lang('By').' '.display_user_link($poster_id, $name);
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}
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echo '</td>';
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echo '<td class="td_actions">';
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if (api_is_allowed_to_edit(false, true) && !($forum['session_id'] == 0 && intval(isset($_SESSION['id_session']) ? $_SESSION['id_session'] : null) != 0)) {
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echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&forumcategory='.Security::remove_XSS($_GET['forumcategory']).'&action=edit&content=forum&id='.$forum['forum_id'].'">'.Display::return_icon('edit.png', get_lang('Edit'), array(), ICON_SIZE_SMALL).'</a>';
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echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&forumcategory='.Security::remove_XSS($_GET['forumcategory']).'&action=delete&content=forum&id='.$forum['forum_id']."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('DeleteForum'), ENT_QUOTES))."')) return false;\">".Display::return_icon('delete.png', get_lang('Delete'), array(), ICON_SIZE_SMALL).'</a>';
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display_visible_invisible_icon('forum', $forum['forum_id'], $forum['visibility'], array('forumcategory' => $_GET['forumcategory']));
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display_lock_unlock_icon('forum', $forum['forum_id'], $forum['locked'], array('forumcategory' => $_GET['forumcategory']));
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display_up_down_icon('forum', $forum['forum_id'], $forums_in_category);
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}
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$iconnotify = 'send_mail.gif';
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if (is_array(isset($_SESSION['forum_notification']['forum']) ? $_SESSION['forum_notification']['forum'] : null)) {
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if (in_array($forum['forum_id'],$_SESSION['forum_notification']['forum'])) {
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$iconnotify = 'send_mail_checked.gif';
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}
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}
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if (!api_is_anonymous()) {
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echo '<a href="'.api_get_self().'?'.api_get_cidreq().'&forumcategory='.Security::remove_XSS($_GET['forumcategory']).'&action=notify&content=forum&id='.$forum['forum_id'].'">'.Display::return_icon($iconnotify, get_lang('NotifyMe')).'</a>';
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}
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echo '</td></tr>';
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}
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}
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}
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if (count($forum_list) == 0) {
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echo '<tr><td>'.get_lang('NoForumInThisCategory').'</td></tr>';
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}
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echo '</table>';
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}
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/* FOOTER */
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if ($origin != 'learnpath') {
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Display :: display_footer();
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}
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