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476 lines
18 KiB
476 lines
18 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* @author Frederik Vermeire <frederik.vermeire@pandora.be>, UGent Internship
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* @author Patrick Cool <patrick.cool@UGent.be>, Ghent University: code cleaning
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* @author Julio Montoya <gugli100@gmail.com>, MORE code cleaning 2011
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*
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* @abstract The task of the internship was to integrate the 'send messages to specific users' with the
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* Announcements tool and also add the resource linker here. The database also needed refactoring
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* as there was no title field (the title was merged into the content field)
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* @package chamilo.announcements
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* multiple functions
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*/
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// name of the language file that needs to be included
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use \ChamiloSession as Session;
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// use anonymous mode when accessing this course tool
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$use_anonymous = true;
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// setting the global file that gets the general configuration, the databases, the languages, ...
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require_once '../inc/global.inc.php';
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/* Sessions */
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$ctok = $_SESSION['sec_token'];
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$stok = Security::get_token();
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$current_course_tool = TOOL_ANNOUNCEMENT;
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$this_section = SECTION_COURSES;
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$nameTools = get_lang('ToolAnnouncement');
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/* ACCESS RIGHTS */
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api_protect_course_script(true);
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// Configuration settings
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$display_announcement_list = true;
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$display_form = false;
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$display_title_list = true;
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// Maximum title messages to display
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$maximum = '12';
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// Length of the titles
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$length = '36';
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// Database Table Definitions
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$tbl_courses = Database::get_main_table(TABLE_MAIN_COURSE);
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$tbl_sessions = Database::get_main_table(TABLE_MAIN_SESSION);
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$tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
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$tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
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$course_id = api_get_course_int_id();
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$_course = api_get_course_info();
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$group_id = api_get_group_id();
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api_protect_course_group(GroupManager::GROUP_TOOL_ANNOUNCEMENT);
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/* Tracking */
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Event::event_access_tool(TOOL_ANNOUNCEMENT);
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$announcement_id = isset($_GET['id']) ? intval($_GET['id']) : null;
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$origin = isset($_GET['origin']) ? Security::remove_XSS($_GET['origin']) : null;
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$action = isset($_GET['action']) ? Security::remove_XSS($_GET['action']) : 'list';
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$announcement_number = AnnouncementManager::getNumberAnnouncements();
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$homeUrl = api_get_self().'?action=list&'.api_get_cidreq();
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$content = null;
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switch ($action) {
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case 'move':
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/* Move announcement up/down */
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if (isset($_GET['sec_token']) && $ctok == $_GET['sec_token']) {
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if (!empty($_GET['down'])) {
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$thisAnnouncementId = intval($_GET['down']);
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$sortDirection = "DESC";
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}
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if (!empty($_GET['up'])) {
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$thisAnnouncementId = intval($_GET['up']);
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$sortDirection = "ASC";
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}
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}
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if (!empty($sortDirection)) {
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if (!in_array(trim(strtoupper($sortDirection)), array('ASC', 'DESC'))) {
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$sortDirection='ASC';
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}
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$announcementInfo = AnnouncementManager::get_by_id($course_id, $thisAnnouncementId);
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$sql = "SELECT DISTINCT announcement.id, announcement.display_order
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FROM $tbl_announcement announcement,
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$tbl_item_property itemproperty
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WHERE
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announcement.c_id = $course_id AND
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itemproperty.c_id = $course_id AND
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itemproperty.ref = announcement.id AND
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itemproperty.tool = '".TOOL_ANNOUNCEMENT."' AND
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itemproperty.visibility <> 2
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ORDER BY display_order $sortDirection";
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$result = Database::query($sql);
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$thisAnnouncementOrderFound = false;
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$thisAnnouncementOrder = null;
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while (list($announcementId, $announcementOrder) = Database::fetch_row($result)) {
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if ($thisAnnouncementOrderFound) {
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$nextAnnouncementId = $announcementId;
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$nextAnnouncementOrder = $announcementOrder;
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$sql = "UPDATE $tbl_announcement SET display_order = '$nextAnnouncementOrder'
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WHERE c_id = $course_id AND id = $thisAnnouncementId";
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Database::query($sql);
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$sql = "UPDATE $tbl_announcement SET display_order = '$thisAnnouncementOrder'
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WHERE c_id = $course_id AND id = $nextAnnouncementId";
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Database::query($sql);
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break;
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}
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// STEP 1 : FIND THE ORDER OF THE ANNOUNCEMENT
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if ($announcementId == $thisAnnouncementId) {
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$thisAnnouncementOrder = $announcementOrder;
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$thisAnnouncementOrderFound = true;
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}
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}
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Display::addFlash(Display::return_message(get_lang('AnnouncementMoved')));
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header('Location: '.$homeUrl);
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exit;
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}
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break;
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case 'view':
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$content = AnnouncementManager::display_announcement($announcement_id);
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break;
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case 'list':
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$content = AnnouncementManager::getAnnouncements($stok, $announcement_number);
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break;
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case 'delete':
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/* Delete announcement */
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$id = intval($_GET['id']);
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if (api_get_session_id()!=0 && api_is_allowed_to_session_edit(false, true) == false) {
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api_not_allowed();
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}
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if (!api_is_course_coach() || api_is_element_in_the_session(TOOL_ANNOUNCEMENT, $id)) {
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// tooledit : visibility = 2 : only visible for platform administrator
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if ($ctok == $_GET['sec_token']) {
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AnnouncementManager::delete_announcement($_course, $id);
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Display::addFlash(Display::return_message(get_lang('AnnouncementDeleted')));
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}
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}
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header('Location: '.$homeUrl);
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exit;
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break;
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case 'delete_all':
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if (api_is_allowed_to_edit()) {
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AnnouncementManager::delete_all_announcements($_course);
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Display::addFlash(Display::return_message(get_lang('AnnouncementDeletedAll')));
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header('Location: '.$homeUrl);
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exit;
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}
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break;
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case 'delete_attachment':
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$id = $_GET['id_attach'];
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if ($ctok == $_GET['sec_token']) {
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if (api_is_allowed_to_edit()) {
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AnnouncementManager::delete_announcement_attachment_file($id);
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}
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}
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header('Location: '.$homeUrl);
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exit;
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break;
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case 'showhide':
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if (!isset($_GET['isStudentView']) || $_GET['isStudentView'] != 'false') {
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if (isset($_GET['id']) AND $_GET['id']) {
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if (api_get_session_id() != 0 &&
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api_is_allowed_to_session_edit(false, true) == false) {
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api_not_allowed();
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}
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if (!api_is_course_coach() ||
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api_is_element_in_the_session(TOOL_ANNOUNCEMENT, $_GET['id'])
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) {
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if ($ctok == $_GET['sec_token']) {
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AnnouncementManager::change_visibility_announcement(
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$_course,
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$_GET['id']
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);
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Display::addFlash(Display::return_message(get_lang('VisibilityChanged')));
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header('Location: '.$homeUrl);
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exit;
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}
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}
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}
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}
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break;
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case 'add':
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case 'modify':
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if (api_get_session_id() != 0 &&
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api_is_allowed_to_session_edit(false, true) == false
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) {
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api_not_allowed(true);
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}
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// DISPLAY ADD ANNOUNCEMENT COMMAND
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$id = isset($_GET['id']) ? intval($_GET['id']) : 0;
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$url = api_get_self().'?action='.$action.'&id=' . $id . '&' . api_get_cidreq();
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$form = new FormValidator(
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'f1',
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'post',
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$url,
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null,
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array('enctype' => 'multipart/form-data')
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);
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if (empty($id)) {
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$form_name = get_lang('AddAnnouncement');
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} else {
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$form_name = get_lang('ModifyAnnouncement');
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}
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$form->addElement('header', $form_name);
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if (empty($group_id)) {
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if (isset($_GET['remind_inactive'])) {
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$email_ann = '1';
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$content_to_modify = sprintf(
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get_lang('RemindInactiveLearnersMailContent'),
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api_get_setting('siteName'),
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7
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);
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$title_to_modify = sprintf(
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get_lang('RemindInactiveLearnersMailSubject'),
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api_get_setting('siteName')
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);
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} elseif (isset($_GET['remindallinactives']) && $_GET['remindallinactives'] == 'true') {
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// we want to remind inactive users. The $_GET['since'] parameter
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// determines which users have to be warned (i.e the users who have been inactive for x days or more
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$since = isset($_GET['since']) ? intval($_GET['since']) : 6;
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// getting the users who have to be reminded
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$to = Tracking:: get_inactives_students_in_course(
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api_get_course_int_id(),
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$since,
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api_get_session_id()
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);
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// setting the variables for the form elements: the users who need to receive the message
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foreach ($to as &$user) {
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$user = 'USER:' . $user;
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}
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// setting the variables for the form elements: the message has to be sent by email
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$email_ann = '1';
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// setting the variables for the form elements: the title of the email
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$title_to_modify = sprintf(
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get_lang('RemindInactiveLearnersMailSubject'),
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api_get_setting('siteName')
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);
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// setting the variables for the form elements: the message of the email
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$content_to_modify = sprintf(
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get_lang('RemindInactiveLearnersMailContent'),
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api_get_setting('siteName'),
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$since
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);
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// when we want to remind the users who have never been active
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// then we have a different subject and content for the announcement
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if ($_GET['since'] == 'never') {
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$title_to_modify = sprintf(
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get_lang('RemindInactiveLearnersMailSubject'),
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api_get_setting('siteName')
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);
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$content_to_modify = get_lang(
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'YourAccountIsActiveYouCanLoginAndCheckYourCourses'
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);
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}
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}
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CourseManager::addUserGroupMultiSelect($form, array());
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if (!isset($announcement_to_modify)) {
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$announcement_to_modify = '';
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}
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$form->addElement(
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'checkbox',
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'email_ann',
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null,
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get_lang('EmailOption')
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);
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} else {
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if (!isset($announcement_to_modify)) {
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$announcement_to_modify = "";
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}
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CourseManager::addGroupMultiSelect($form, $group_id, array());
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$form->addElement(
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'checkbox',
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'email_ann',
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null,
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get_lang('EmailOption')
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);
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}
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$announcementInfo = AnnouncementManager::get_by_id($course_id, $id);
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if (isset($announcementInfo) && !empty($announcementInfo)) {
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$to = AnnouncementManager::load_edit_users("announcement", $id);
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$defaults = array(
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'title' => $announcementInfo['title'],
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'content' => $announcementInfo['content'],
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'id' => $announcementInfo['id'],
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'users' => $to
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);
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} else {
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$defaults = array();
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}
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$form->addElement('text', 'title', get_lang('EmailTitle'));
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$form->addElement('hidden', 'id');
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$form->addHtmlEditor(
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'content',
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get_lang('Description'),
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false,
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false,
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array('ToolbarSet' => 'Announcements')
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);
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$form->addElement('file', 'user_upload', get_lang('AddAnAttachment'));
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$form->addElement('textarea', 'file_comment', get_lang('FileComment'));
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$form->addElement('hidden', 'sec_token', $stok);
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if (api_get_session_id() == 0) {
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$form->addCheckBox('send_to_users_in_session', null, get_lang('SendToUsersInSessions'));
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}
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$form->addButtonSave(get_lang('ButtonPublishAnnouncement'));
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$form->setDefaults($defaults);
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$content = $form->return_form();
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if ($form->validate()) {
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$data = $form->getSubmitValues();
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$sendToUsersInSession = isset($data['send_to_users_in_session']) ? true : false;
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if (isset($id) && $id) {
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// there is an Id => the announcement already exists => update mode
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if ($ctok == $_POST['sec_token']) {
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$file_comment = $_POST['file_comment'];
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$file = $_FILES['user_upload'];
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AnnouncementManager::edit_announcement(
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$id,
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$data['title'],
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$data['content'],
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$_POST['selectedform'],
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$file,
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$file_comment,
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$sendToUsersInSession
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);
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/* MAIL FUNCTION */
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if ($_POST['email_ann'] && empty($_POST['onlyThoseMails'])) {
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AnnouncementManager::send_email($id, $sendToUsersInSession);
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}
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Display::addFlash(Display::return_message(get_lang('AnnouncementModified'), 'success'));
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header('Location: '.$homeUrl);
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exit;
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}
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} else {
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// Insert mode
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if ($ctok == $_POST['sec_token']) {
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$file = $_FILES['user_upload'];
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$file_comment = $data['file_comment'];
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if (empty($group_id)) {
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$insert_id = AnnouncementManager::add_announcement(
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$data['title'],
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$data['content'],
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$data['users'],
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$file,
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$file_comment,
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$sendToUsersInSession
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);
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} else {
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$insert_id = AnnouncementManager::add_group_announcement(
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$data['title'],
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$data['content'],
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array('GROUP:' . $group_id),
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$data['users'],
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$file,
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$file_comment,
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$sendToUsersInSession
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);
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}
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Display::addFlash(
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Display::return_message(
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get_lang('AnnouncementAdded'),
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'success'
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)
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);
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/* MAIL FUNCTION */
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if (isset($data['email_ann']) && $data['email_ann']) {
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AnnouncementManager::send_email($insert_id, $sendToUsersInSession);
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}
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header('Location: '.$homeUrl);
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exit;
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} // end condition token
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}
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}
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break;
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}
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if (!empty($_GET['remind_inactive'])) {
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$to[] = 'USER:'.intval($_GET['remind_inactive']);
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}
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if (!empty($group_id)) {
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$group_properties = GroupManager :: get_group_properties($group_id);
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$interbreadcrumb[] = array("url" => "../group/group.php?".api_get_cidreq(), "name" => get_lang('Groups'));
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$interbreadcrumb[] = array("url"=>"../group/group_space.php?".api_get_cidreq(), "name"=> get_lang('GroupSpace').' '.$group_properties['name']);
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}
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if (empty($_GET['origin']) or $_GET['origin'] !== 'learnpath') {
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//we are not in the learning path
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Display::display_header($nameTools,get_lang('Announcements'));
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}
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// Tool introduction
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if (empty($_GET['origin']) || $_GET['origin'] !== 'learnpath') {
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Display::display_introduction_section(TOOL_ANNOUNCEMENT);
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}
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// Actions
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$show_actions = false;
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if ((api_is_allowed_to_edit(false,true) OR
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(api_get_course_setting('allow_user_edit_announcement') && !api_is_anonymous())) and
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(empty($_GET['origin']) or $_GET['origin'] !== 'learnpath')
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) {
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echo '<div class="actions">';
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if (in_array($action, array('add', 'modify','view'))) {
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echo "<a href='".api_get_self()."?".api_get_cidreq()."&origin=".$origin."'>".
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Display::return_icon('back.png',get_lang('Back'),'',ICON_SIZE_MEDIUM)."</a>";
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} else {
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echo "<a href='".api_get_self()."?".api_get_cidreq()."&action=add&origin=".$origin."'>".
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Display::return_icon('new_announce.png',get_lang('AddAnnouncement'),'',ICON_SIZE_MEDIUM)."</a>";
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}
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$show_actions = true;
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} else {
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if (in_array($action, array('view'))) {
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echo '<div class="actions">';
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echo "<a href='".api_get_self()."?".api_get_cidreq()."&origin=".$origin."'>".
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Display::return_icon('back.png',get_lang('Back'),'',ICON_SIZE_MEDIUM)."</a>";
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echo '</div>';
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}
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}
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if (api_is_allowed_to_edit() && $announcement_number > 1) {
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if (api_get_group_id() == 0 ) {
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if (!$show_actions)
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echo '<div class="actions">';
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if (!isset($_GET['action'])) {
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echo "<a href=\"".api_get_self()."?".api_get_cidreq()."&action=delete_all\" onclick=\"javascript:if(!confirm('".get_lang("ConfirmYourChoice")."')) return false;\">".
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Display::return_icon('delete_announce.png',get_lang('AnnouncementDeleteAll'),'',ICON_SIZE_MEDIUM)."</a>";
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}
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}
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}
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if ($show_actions)
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echo '</div>';
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Display::showFlash();
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echo $content;
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if (empty($_GET['origin']) or $_GET['origin'] !== 'learnpath') {
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//we are not in learnpath tool
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Display::display_footer();
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}
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