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311 lines
15 KiB
311 lines
15 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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* @author Julio Montoya <gugli100@gmail.com> UI Improvements + lots of bugfixes
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*
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* @package chamilo.forum
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*/
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require_once api_get_path(SYS_CODE_PATH).'forum/forumfunction.inc.php';
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$forumUrl = api_get_path(WEB_CODE_PATH).'forum/';
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$rows = get_posts($_GET['thread']);
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$rows = calculate_children($rows);
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if (isset($_GET['post']) && $_GET['post']) {
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$display_post_id = intval($_GET['post']);
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} else {
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// we need to display the first post
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reset($rows);
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$current = current($rows);
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$display_post_id = $current['post_id'];
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}
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// Are we in a lp ?
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$origin = '';
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if(isset($_GET['origin'])) {
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$origin = Security::remove_XSS($_GET['origin']);
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}
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// Delete attachment file.
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if ((isset($_GET['action']) && $_GET['action']=='delete_attach') && isset($_GET['id_attach'])) {
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delete_attachment(0, $_GET['id_attach']);
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}
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// Displaying the thread (structure)
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$thread_structure="<div class=\"structure\">".get_lang('Structure')."</div>";
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$counter=0;
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$count=0;
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$prev_next_array=array();
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$clean_forum_id = intval($_GET['forum']);
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$clean_thread_id = intval($_GET['thread']);
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$group_id = api_get_group_id();
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foreach ($rows as $post) {
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$counter++;
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$indent=$post['indent_cnt']*'20';
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$thread_structure.= "<div style=\"margin-left: ".$indent."px;\">";
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if (isset($whatsnew_post_info[$current_forum['forum_id']][$current_thread['thread_id']][$post['post_id']]) AND
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!empty($whatsnew_post_info[$current_forum['forum_id']][$current_thread['thread_id']][$post['post_id']]) AND
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!empty($whatsnew_post_info[$_GET['forum']][$post['thread_id']])
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) {
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$post_image = Display::return_icon('forumpostnew.gif');
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} else {
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$post_image = Display::return_icon('forumpost.gif');
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}
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$thread_structure.= $post_image;
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if (isset($_GET['post']) &&
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$_GET['post'] == $post['post_id'] OR
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($counter==1 AND !isset($_GET['post']))
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) {
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$thread_structure .= '<strong>'.prepare4display($post['post_title']).'</strong></div>';
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$prev_next_array[]= $post['post_id'];
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} else {
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if ($post['visible']=='0') {
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$class=' class="invisible"';
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} else {
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$class='';
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}
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$count_loop=($count==0)?'&id=1' : '';
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$thread_structure.= "<a href=\"viewthread.php?".api_get_cidreq()."&forum=".$clean_forum_id."&thread=".$clean_thread_id."&post=".$post['post_id']."&origin=$origin$count_loop\" $class>".
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prepare4display($post['post_title'])."</a></div>";
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$prev_next_array[]=$post['post_id'];
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}
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$count++;
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}
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$locked = api_resource_is_locked_by_gradebook($clean_thread_id, LINK_FORUM_THREAD);
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/* NAVIGATION CONTROLS */
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$current_id = array_search($display_post_id, $prev_next_array);
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$max = count($prev_next_array);
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$next_id = $current_id + 1;
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$prev_id = $current_id - 1;
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// text
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$first_message = get_lang('FirstMessage');
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$last_message = get_lang('LastMessage');
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$next_message = get_lang('NextMessage');
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$prev_message = get_lang('PrevMessage');
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// images
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$first_img = Display::return_icon(
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'action_first.png',
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get_lang('FirstMessage'),
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array('style' => 'vertical-align: middle;')
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);
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$last_img = Display::return_icon(
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'action_last.png',
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get_lang('LastMessage'),
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array('style' => 'vertical-align: middle;')
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);
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$prev_img = Display::return_icon(
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'action_prev.png',
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get_lang('PrevMessage'),
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array('style' => 'vertical-align: middle;')
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);
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$next_img = Display::return_icon(
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'action_next.png',
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get_lang('NextMessage'),
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array('style' => 'vertical-align: middle;')
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);
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// links
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$first_href = $forumUrl.'viewthread.php?'.api_get_cidreq().'&forum='.$clean_forum_id.'&thread='.$clean_thread_id.'&gradebook='.$gradebook.'&id=1&post='.$prev_next_array[0];
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$last_href = $forumUrl.'viewthread.php?'.api_get_cidreq().'&forum='.$clean_forum_id.'&thread='.$clean_thread_id.'&gradebook='.$gradebook.'&post='.$prev_next_array[$max-1];
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$prev_href = $forumUrl.'viewthread.php?'.api_get_cidreq().'&forum='.$clean_forum_id.'&thread='.$clean_thread_id.'&gradebook='.$gradebook.'&post='.$prev_next_array[$prev_id];
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$next_href = $forumUrl.'viewthread.php?'.api_get_cidreq().'&forum='.$clean_forum_id.'&thread='.$clean_thread_id.'&gradebook='.$gradebook.'&post='.$prev_next_array[$next_id];
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echo '<center style="margin-top: 10px; margin-bottom: 10px;">';
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//go to: first and previous
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if ((int)$current_id > 0) {
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echo '<a href="'.$first_href.'" '.$class.' title='.$first_message.'>'.$first_img.' '.$first_message.'</a>';
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echo '<a href="'.$prev_href.'" '.$class_prev.' title='.$prev_message.'>'.$prev_img.' '.$prev_message.'</a>';
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} else {
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echo '<b><span class="invisible">'.$first_img.' '.$first_message.'</b></span>';
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echo '<b><span class="invisible">'.$prev_img.' '.$prev_message.'</b></span>';
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}
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// current counter
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echo ' [ '.($current_id+1).' / '.$max.' ] ';
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// go to: next and last
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if (($current_id+1) < $max) {
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echo '<a href="'.$next_href.'" '.$class_next.' title='.$next_message.'>'.$next_message.' '.$next_img.'</a>';
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echo '<a href="'.$last_href.'" '.$class.' title='.$last_message.'>'.$last_message.' '.$last_img.'</a>';
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} else {
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echo '<b><span class="invisible">'.$next_message.' '.$next_img.'</b></span>';
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echo '<b><span class="invisible">'.$last_message.' '.$last_img.'</b></span>';
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}
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echo '</center>';
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// the style depends on the status of the message: approved or not
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if ($rows[$display_post_id]['visible'] == '0') {
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$titleclass = 'forum_message_post_title_2_be_approved';
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$messageclass = 'forum_message_post_text_2_be_approved';
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$leftclass = 'forum_message_left_2_be_approved';
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} else {
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$titleclass = 'forum_message_post_title';
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$messageclass = 'forum_message_post_text';
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$leftclass = 'forum_message_left';
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}
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// Displaying the message
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// we mark the image we are displaying as set
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unset($whatsnew_post_info[$current_forum['forum_id']][$current_thread['thread_id']][$rows[$display_post_id]['post_id']]);
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echo "<table width=\"100%\" class=\"forum_table\" cellspacing=\"5\" border=\"0\">";
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echo "<tr>";
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echo "<td rowspan=\"3\" class=\"$leftclass\">";
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$username = sprintf(get_lang('LoginX'), $rows[$display_post_id]['username']);
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if ($rows[$display_post_id]['user_id']=='0') {
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$name = prepare4display($rows[$display_post_id]['poster_name']);
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} else {
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$name = api_get_person_name($rows[$display_post_id]['firstname'], $rows[$display_post_id]['lastname']);
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}
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if (api_get_course_setting('allow_user_image_forum')) {
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echo '<br />'.display_user_image($rows[$display_post_id]['user_id'],$name, $origin).'<br />';
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}
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echo display_user_link($rows[$display_post_id]['user_id'], $name, $origin, $username)."<br />";
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echo api_convert_and_format_date($rows[$display_post_id]['post_date']).'<br /><br />';
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// get attach id
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$attachment_list=get_attachment($display_post_id);
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$id_attach = !empty($attachment_list)?$attachment_list['id']:'';
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// The user who posted it can edit his thread only if the course admin allowed this in the properties of the forum
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// The course admin him/herself can do this off course always
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if (GroupManager::is_tutor_of_group(api_get_user_id(), $group_id) OR ($current_forum['allow_edit']==1 AND $row['user_id']==$_user['user_id']) or (api_is_allowed_to_edit(false,true) && !(api_is_course_coach() && $current_forum['session_id']!=$_SESSION['id_session']))) {
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if ($locked == false) {
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echo "<a href=\"editpost.php?".api_get_cidreq()."&forum=".$clean_forum_id."&thread=".$clean_thread_id."&post=".$rows[$display_post_id]['post_id']."&id_attach=".$id_attach."\">".
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Display::return_icon('edit.png',get_lang('Edit'), array(), ICON_SIZE_SMALL).'</a>';
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}
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}
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if (GroupManager::is_tutor_of_group(api_get_user_id(), $group_id) OR
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api_is_allowed_to_edit(false,true) &&
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!(api_is_course_coach() && $current_forum['session_id']!=$_SESSION['id_session'])
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) {
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if ($locked == false) {
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echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&forum=".$clean_forum_id."&thread=".$clean_thread_id."&action=delete&content=post&id=".$rows[$display_post_id]['post_id']."\" onclick=\"javascript:if(!confirm('".addslashes(api_htmlentities(get_lang('DeletePost'), ENT_QUOTES))."')) return false;\">".Display::return_icon('delete.png',get_lang('Delete'), array(), ICON_SIZE_SMALL)."</a>";
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}
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display_visible_invisible_icon('post', $rows[$display_post_id]['post_id'], $rows[$display_post_id]['visible'],array('forum'=>$clean_forum_id,'thread'=>$clean_thread_id, 'post'=>Security::remove_XSS($_GET['post']) ));
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echo "";
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//verified the post minor
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$my_post=get_posts($_GET['thread']);
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$id_posts=array();
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foreach ($my_post as $post_value) {
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$id_posts[]=$post_value['post_id'];
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}
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sort($id_posts,SORT_NUMERIC);
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reset($id_posts);
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//the post minor
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$post_minor=(int)$id_posts[0];
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$post_id = isset($_GET['post'])?(int)$_GET['post']:0;
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if (!isset($_GET['id']) && $post_id>$post_minor) {
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echo "<a href=\"viewthread.php?".api_get_cidreq()."&gidReq=".Security::remove_XSS($_GET['gidReq'])."&forum=".$clean_forum_id."&thread=".$clean_thread_id."&origin=".$origin."&action=move&post=".$rows[$display_post_id]['post_id']."\">".Display::return_icon('move.png',get_lang('MovePost'), array(), ICON_SIZE_SMALL)."</a>";
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}
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}
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$userinf = api_get_user_info($rows[$display_post_id]['user_id']);
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$user_status = api_get_status_of_user_in_course(
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$rows[$display_post_id]['user_id'],
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api_get_course_id()
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);
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if (api_is_allowed_to_edit(null,true)) {
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if ($post_id > $post_minor) {
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$current_qualify_thread=show_qualify('1', $rows[$display_post_id]['user_id'],$_GET['thread']);
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if ($locked == false) {
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echo "<a href=\"forumqualify.php?".api_get_cidreq()."&forum=".$clean_forum_id."&thread=".$clean_thread_id."&action=list&post=".$rows[$display_post_id]['post_id']."&user=".$rows[$display_post_id]['user_id']."&user_id=".$rows[$display_post_id]['user_id']."&origin=".$origin."&idtextqualify=".$current_qualify_thread."\" >".Display::return_icon('new_test_small.gif',get_lang('Qualify'))."</a>";
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}
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}
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}
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if (($current_forum_category && $current_forum_category['locked']==0) AND $current_forum['locked']==0 AND $current_thread['locked']==0 OR api_is_allowed_to_edit(false,true)) {
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if ($_user['user_id'] OR ($current_forum['allow_anonymous']==1 AND !$_user['user_id'])) {
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if (!api_is_anonymous() && api_is_allowed_to_session_edit(false,true)) {
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echo '<a href="reply.php?'.api_get_cidreq().'&forum='.$clean_forum_id.'&thread='.$clean_thread_id.'&post='.$rows[$display_post_id]['post_id'].'&action=replymessage&origin='. $origin .'">'.Display :: return_icon('message_reply_forum.png', get_lang('ReplyToMessage'))."</a>";
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echo '<a href="reply.php?'.api_get_cidreq().'&forum='.$clean_forum_id.'&thread='.$clean_thread_id.'&post='.$rows[$display_post_id]['post_id'].'&action=quote&origin='. $origin .'">'.Display :: return_icon('quote.gif', get_lang('QuoteMessage'))."</a>";
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}
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}
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} else {
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if ($current_forum_category && $current_forum_category['locked']==1) {
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echo get_lang('ForumcategoryLocked').'<br />';
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}
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if ($current_forum['locked']==1) {
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echo get_lang('ForumLocked').'<br />';
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}
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if ($current_thread['locked']==1) {
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echo get_lang('ThreadLocked').'<br />';
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}
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}
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echo "</td>";
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// note: this can be removed here because it will be displayed in the tree
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if (isset($whatsnew_post_info[$current_forum['forum_id']][$current_thread['thread_id']][$rows[$display_post_id]['post_id']]) AND
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!empty($whatsnew_post_info[$current_forum['forum_id']][$current_thread['thread_id']][$rows[$display_post_id]['post_id']]) AND
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!empty($whatsnew_post_info[$_GET['forum']][$rows[$display_post_id]['thread_id']])
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) {
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$post_image=Display::return_icon('forumpostnew.gif');
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} else {
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$post_image=Display::return_icon('forumpost.gif');
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}
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if ($rows[$display_post_id]['post_notification']=='1' AND $rows[$display_post_id]['poster_id']==$_user['user_id']) {
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$post_image.=Display::return_icon('forumnotification.gif',get_lang('YouWillBeNotified'));
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}
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// The post title
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echo "<td class=\"$titleclass\">".prepare4display($rows[$display_post_id]['post_title'])."</td>";
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echo "</tr>";
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// The post message
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echo "<tr>";
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echo "<td class=\"$messageclass\">".prepare4display($rows[$display_post_id]['post_text'])."</td>";
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echo "</tr>";
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// The check if there is an attachment
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$attachment_list = get_attachment($display_post_id);
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if (!empty($attachment_list)) {
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echo '<tr><td height="50%">';
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$realname = $attachment_list['path'];
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$user_filename = $attachment_list['filename'];
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echo Display::return_icon('attachment.gif',get_lang('Attachment'));
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echo '<a href="download.php?file=';
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echo $realname;
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echo ' "> '.$user_filename.' </a>';
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echo '<span class="forum_attach_comment" >'.Security::remove_XSS($attachment_list['comment'], STUDENT).'</span>';
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if (($current_forum['allow_edit']==1 AND $rows[$display_post_id]['user_id']==$_user['user_id']) or (api_is_allowed_to_edit(false,true) && !(api_is_course_coach() && $current_forum['session_id']!=$_SESSION['id_session']))) {
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echo ' <a href="'.api_get_self().'?'.api_get_cidreq().'&origin='.Security::remove_XSS($_GET['origin']).'&action=delete_attach&id_attach='.$attachment_list['id'].'&forum='.$clean_forum_id.'&thread='.$clean_thread_id.'" onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTESt)).'\')) return false;">'.Display::return_icon('delete.gif',get_lang('Delete')).'</a><br />';
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}
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echo '</td></tr>';
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}
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// The post has been displayed => it can be removed from the what's new array
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if (isset($whatsnew_post_info[$current_forum['forum_id']][$current_thread['thread_id']][$row['post_id']])) {
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unset($whatsnew_post_info[$current_forum['forum_id']][$current_thread['thread_id']][$row['post_id']]);
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unset($_SESSION['whatsnew_post_info'][$current_forum['forum_id']][$current_thread['thread_id']][$row['post_id']]);
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}
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echo "</table>";
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echo $thread_structure;
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