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736 lines
21 KiB
736 lines
21 KiB
<?php //$Id: announcements.inc.php 9982 2006-11-15 00:08:08Z pcool $
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/*
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==============================================================================
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Dokeos - elearning and course management software
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Copyright (c) 2004-2005 Dokeos S.A.
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Copyright (c) various contributors
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For a full list of contributors, see "credits.txt".
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The full license can be read in "license.txt".
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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See the GNU General Public License for more details.
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Contact address: Dokeos, 44 rue des palais, B-1030 Brussels, Belgium
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Mail: info@dokeos.com
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==============================================================================
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*/
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/**
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==============================================================================
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* Include file with functions for the announcements module.
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* @package dokeos.announcements
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==============================================================================
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*/
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/*
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==============================================================================
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DISPLAY FUNCTIONS
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==============================================================================
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*/
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/**
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* displays one specific announcement
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* @param $announcement_id, the id of the announcement you want to display
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* @todo remove globals
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* @todo more security checking
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*/
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function display_announcement($announcement_id)
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{
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global $_user, $dateFormatLong;
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$tbl_announcement = Database::get_course_table('announcement');
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$tbl_item_property = Database::get_course_table('item_property');
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if ($_user['user_id'])
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{
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$sql_query = " SELECT announcement.*, toolitemproperties.*
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FROM $tbl_announcement announcement, $tbl_item_property toolitemproperties
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WHERE announcement.id = toolitemproperties.ref
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AND announcement.id = '$announcement_id'
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AND toolitemproperties.tool='announcement'
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AND (toolitemproperties.to_user_id='".$_user['user_id']."' OR toolitemproperties.to_group_id='0')
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AND toolitemproperties.visibility='1'
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ORDER BY display_order DESC";
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}
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else
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{
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$sql_query = " SELECT announcement.*, toolitemproperties.*
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FROM $tbl_announcement announcement, $tbl_item_property toolitemproperties
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WHERE announcement.id = toolitemproperties.ref
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AND announcement.id = '$announcement_id'
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AND toolitemproperties.tool='announcement'
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AND toolitemproperties.to_group_id='0'
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AND toolitemproperties.visibility='1'";
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}
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$sql_result = api_sql_query($sql_query,__FILE__,__LINE__);
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$result = mysql_fetch_array($sql_result);
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$title = $result['title'];
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$content = $result['content'];
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$content = make_clickable($content);
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$content = text_filter($content);
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$last_post_datetime = $myrow['temps'];// post time format datetime de mysql
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list($last_post_date, $last_post_time) = split(" ", $last_post_datetime);
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echo "<table height=\"100\" width=\"100%\" border=\"1\" cellpadding=\"5\" cellspacing=\"0\" id=\"agenda_list\">\n";
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echo "<tr class=\"data\"><td>" . $title . "</td></tr>\n";
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echo "<tr><td class=\"announcements_datum\">" . get_lang('AnnouncementPublishedOn') . " : " . ucfirst(format_locale_date($dateFormatLong,strtotime($last_post_date) ) ) . "</td></tr>\n";
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echo "<tr class=\"text\"><td>$content</td></tr>\n";
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echo "</table>";
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}
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/*======================================
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SHOW_TO_FORM
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======================================*/
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/**
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* this function shows the form for sending a message to a specific group or user.
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*/
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function show_to_form($to_already_selected)
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{
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$user_list=get_course_users();
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$group_list=get_course_groups();
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echo "\n<table>\n";
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echo "\t<tr>\n";
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// the form containing all the groups and all the users of the course
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echo "\t\t<td>\n";
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construct_not_selected_select_form($group_list,$user_list,$to_already_selected);
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echo "\t\t</td>\n";
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// the buttons for adding or removing groups/users
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echo "\n\t\t<td valign=\"middle\">\n";
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echo "\t\t<input type=\"button\" ",
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"onClick=\"move(this.form.elements[1],this.form.elements[4])\" ", // 7 & 4 : fonts
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"value=\" >> \">",
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"\n\t\t<p> </p>",
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"\n\t\t<input type=\"button\"",
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"onClick=\"move(this.form.elements[4],this.form.elements[1])\" ",
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"value=\" << \">";
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echo "\t\t</td>\n";
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echo "\n\t\t<td>\n";
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// the form containing the selected groups and users
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construct_selected_select_form($group_list,$user_list,$to_already_selected);
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echo "\t\t</td>\n";
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echo "\t</tr>\n";
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echo "</table>";
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}
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/*===========================================
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CONSTRUCT_NOT_SELECT_SELECT_FORM
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===========================================*/
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/**
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* this function shows the form for sending a message to a specific group or user.
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*/
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function construct_not_selected_select_form($group_list=null, $user_list=null,$to_already_selected)
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{
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echo "\t\t<select name=\"not_selected_form[]\" size=5 style=\"width:200px\" multiple>\n";
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// adding the groups to the select form
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if ($group_list)
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{
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foreach($group_list as $this_group)
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{
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if (!in_array("GROUP:".$this_group[id],$to_already_selected)) // $to_already_selected is the array containing the groups (and users) that are already selected
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{
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echo "\t\t<option value=\"GROUP:".$this_group[id]."\">",
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"G: ",$this_group[name]," - " . $this_group[userNb] . " " . get_lang('Users') .
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"</option>\n";
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}
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}
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// a divider
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echo "\t\t<option value=\"\">---------------------------------------------------------</option>\n";
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}
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// adding the individual users to the select form
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foreach($user_list as $this_user)
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{
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if (!in_array("USER:".$this_user[uid],$to_already_selected)) // $to_already_selected is the array containing the users (and groups) that are already selected
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{
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echo "\t\t<option value=\"USER:",$this_user[uid],"\">",
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"",$this_user[lastName]," ",$this_user[firstName],
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"</option>\n";
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}
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}
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echo "\t\t</select>\n";
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}
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/*==========================================
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CONSTRUCT_SELECTED_SELECT_FORM
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==========================================*/
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/**
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* this function shows the form for sending a message to a specific group or user.
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*/
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function construct_selected_select_form($group_list=null, $user_list=null,$to_already_selected)
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{
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// we separate the $to_already_selected array (containing groups AND users into
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// two separate arrays
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if (is_array($groupuser))
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{
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$groupuser=separate_users_groups($to_already_selected);
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}
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$groups_to_already_selected=$groupuser['groups'];
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$users_to_already_selected=$groupuser['users'];
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// we load all the groups and all the users into a reference array that we use to search the name of the group / user
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$ref_array_groups=get_course_groups();
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$ref_array_users=get_course_users();
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// we construct the form of the already selected groups / users
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echo "\t\t<select name=\"selectedform[]\" size=\"5\" multiple style=\"width:200px\" width=\"200px\">";
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foreach($to_already_selected as $groupuser)
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{
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list($type,$id)=explode(":",$groupuser);
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if ($type=="GROUP")
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{
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echo "\t\t<option value=\"".$groupuser."\">G: ".$ref_array_groups[$id]['name']."</option>";
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}
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else
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{
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echo "\t\t<option value=\"".$groupuser."\">".$ref_array_users[$id]['lastName']." ".$ref_array_users[$id]['firstName']."</option>";
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}
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}
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echo "</select>\n";
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}
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/*
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==============================================================================
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DATA FUNCTIONS
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==============================================================================
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*/
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/**
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* this function gets all the users of the course,
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* including users from linked courses
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*/
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function get_course_users()
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{
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//this would return only the users from real courses:
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//$user_list = CourseManager::get_user_list_from_course_code(api_get_course_id());
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$user_list = CourseManager::get_real_and_linked_user_list(api_get_course_id());
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return $user_list;
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}
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/**
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* this function gets all the groups of the course,
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* not including linked courses
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*/
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function get_course_groups()
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{
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$new_group_list = CourseManager::get_group_list_of_course(api_get_course_id());
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return $new_group_list;
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}
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/*======================================
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LOAD_EDIT_USERS
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======================================*/
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/**
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* This tools loads all the users and all the groups who have received
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* a specific item (in this case an announcement item)
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*/
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function load_edit_users($tool, $id)
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{
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global $_course;
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global $tbl_item_property;
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$sql="SELECT * FROM $tbl_item_property WHERE tool='$tool' AND ref='$id'";
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$result=api_sql_query($sql,__FILE__,__LINE__) or die (mysql_error());
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while ($row=mysql_fetch_array($result))
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{
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$to_group=$row['to_group_id'];
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switch ($to_group)
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{
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// it was send to one specific user
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case null:
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$to[]="USER:".$row['to_user_id'];
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break;
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// it was sent to everyone
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case 0:
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return "everyone";
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exit;
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break;
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default:
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$to[]="GROUP:".$row['to_group_id'];
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}
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}
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return $to;
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}
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/*======================================
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USER_GROUP_FILTER_JAVASCRIPT
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======================================*/
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/**
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* returns the javascript for setting a filter
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* this goes into the $htmlHeadXtra[] array
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*/
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function user_group_filter_javascript()
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{
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return "<script language=\"JavaScript\" type=\"text/JavaScript\">
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<!--
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function jumpMenu(targ,selObj,restore)
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{
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eval(targ+\".location='\"+selObj.options[selObj.selectedIndex].value+\"'\");
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if (restore) selObj.selectedIndex=0;
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}
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//-->
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</script>
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";
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}
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/*======================================
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TO_JAVASCRIPT
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========================================*/
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/**
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* returns all the javascript that is required for easily
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* setting the target people/groups
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* this goes into the $htmlHeadXtra[] array
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*/
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function to_javascript()
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{
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return "<script type=\"text/javascript\" language=\"JavaScript\">
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<!-- Begin javascript menu swapper
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function move(fbox, tbox)
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{
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var arrFbox = new Array();
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var arrTbox = new Array();
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var arrLookup = new Array();
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var i;
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for (i = 0; i < tbox.options.length; i++)
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{
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arrLookup[tbox.options[i].text] = tbox.options[i].value;
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arrTbox[i] = tbox.options[i].text;
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}
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var fLength = 0;
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var tLength = arrTbox.length;
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for(i = 0; i < fbox.options.length; i++)
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{
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arrLookup[fbox.options[i].text] = fbox.options[i].value;
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if (fbox.options[i].selected && fbox.options[i].value != \"\")
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{
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arrTbox[tLength] = fbox.options[i].text;
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tLength++;
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}
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else
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{
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arrFbox[fLength] = fbox.options[i].text;
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fLength++;
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}
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}
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arrFbox.sort();
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arrTbox.sort();
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fbox.length = 0;
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tbox.length = 0;
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var c;
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for(c = 0; c < arrFbox.length; c++)
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{
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var no = new Option();
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no.value = arrLookup[arrFbox[c]];
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no.text = arrFbox[c];
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fbox[c] = no;
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}
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for(c = 0; c < arrTbox.length; c++)
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{
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var no = new Option();
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no.value = arrLookup[arrTbox[c]];
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no.text = arrTbox[c];
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tbox[c] = no;
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}
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}
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function validate()
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{
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var f = document.new_calendar_item;
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f.submit();
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return true;
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}
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function selectAll(cbList,bSelect,showwarning)
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{
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if (cbList.length < 1) {
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alert(\"".get_lang('Send2All')."\");
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return;
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}
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for (var i=0; i<cbList.length; i++)
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cbList[i].selected = cbList[i].checked = bSelect
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}
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function reverseAll(cbList)
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{
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for (var i=0; i<cbList.length; i++)
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{
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cbList[i].checked = !(cbList[i].checked)
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cbList[i].selected = !(cbList[i].selected)
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}
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}
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// End -->
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</script>";
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}
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/*======================================
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SENT_TO_FORM
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======================================*/
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/**
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* constructs the form to display all the groups and users the message has been sent to
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* input: $sent_to_array is a 2 dimensional array containing the groups and the users
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* the first level is a distinction between groups and users:
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* $sent_to_array['groups'] * and $sent_to_array['users']
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* $sent_to_array['groups'] (resp. $sent_to_array['users']) is also an array
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* containing all the id's of the groups (resp. users) who have received this message.
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* @author Patrick Cool <patrick.cool@>
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*/
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function sent_to_form($sent_to_array)
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{
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// we find all the names of the groups
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$group_names=get_course_groups();
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count($sent_to_array);
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// we count the number of users and the number of groups
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if (isset($sent_to_array['users']))
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{
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$number_users=count($sent_to_array['users']);
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}
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else
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{
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$number_users=0;
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}
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if (isset($sent_to_array['groups']))
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{
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$number_groups=count($sent_to_array['groups']);
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}
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else
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{
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$number_groups=0;
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}
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$total_numbers=$number_users+$number_groups;
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// starting the form if there is more than one user/group
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if ($total_numbers >1)
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{
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$output="<select name=\"sent to\">\n";
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$output.="<option>".get_lang("SentTo")."</option>";
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// outputting the name of the groups
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if (is_array($sent_to_array['groups']))
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{
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foreach ($sent_to_array['groups'] as $group_id)
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{
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$output.="\t<option value=\"\">G: ".$group_names[$group_id]['name']."</option>\n";
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}
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}
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if (isset($sent_to_array['users']))
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{
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if (is_array($sent_to_array['users']))
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{
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foreach ($sent_to_array['users'] as $user_id)
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{
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$user_info=api_get_user_info($user_id);
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$output.="\t<option value=\"\">".$user_info['lastName']." ".$user_info['firstName']."</option>\n";
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}
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}
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}
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// ending the form
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$output.="</select>\n";
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}
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else // there is only one user/group
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{
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if (is_array($sent_to_array['users']))
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{
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$user_info=api_get_user_info($sent_to_array['users'][0]);
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echo $user_info['lastName']." ".$user_info['firstName'];
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}
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if (is_array($sent_to_array['groups']) and $sent_to_array['groups'][0]!==0)
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{
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$group_id=$sent_to_array['groups'][0];
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echo $group_names[$group_id]['name'];
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}
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if (is_array($sent_to_array['groups']) and $sent_to_array['groups'][0]==0)
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{
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echo get_lang("Everybody");
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}
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}
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echo $output;
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}
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/*======================================
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SEPARATE_USERS_GROUPS
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======================================*/
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/**
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* This function separates the users from the groups
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* users have a value USER:XXX (with XXX the dokeos id
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* groups have a value GROUP:YYY (with YYY the group id)
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*/
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function separate_users_groups($to)
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{
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foreach($to as $to_item)
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{
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list($type, $id) = explode(':', $to_item);
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switch($type)
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{
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case 'GROUP':
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$grouplist[] =$id;
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break;
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case 'USER':
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$userlist[] =$id;
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break;
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}
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}
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$send_to['groups']=$grouplist;
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$send_to['users']=$userlist;
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return $send_to;
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}
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/*======================================
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SENT_TO()
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======================================*/
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/**
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* returns all the users and all the groups a specific announcement item
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* has been sent to
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*/
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function sent_to($tool, $id)
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{
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global $_course;
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global $tbl_item_property;
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$sql="SELECT * FROM $tbl_item_property WHERE tool='$tool' AND ref='".$id."'";
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$result = api_sql_query($sql,__FILE__,__LINE__);
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while ($row=mysql_fetch_array($result))
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{
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// if to_group_id is null then it is sent to a specific user
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// if to_group_id = 0 then it is sent to everybody
|
|
if (!is_null($row['to_group_id']))
|
|
{
|
|
$sent_to_group[]=$row['to_group_id'];
|
|
}
|
|
// if to_user_id <> 0 then it is sent to a specific user
|
|
if ($row['to_user_id'] <> 0)
|
|
{
|
|
$sent_to_user[]=$row['to_user_id'];
|
|
}
|
|
}
|
|
if (isset($sent_to_group))
|
|
{
|
|
$sent_to['groups']=$sent_to_group;
|
|
}
|
|
if (isset($sent_to_user))
|
|
{
|
|
$sent_to['users']=$sent_to_user;
|
|
}
|
|
return $sent_to;
|
|
}
|
|
|
|
|
|
/*===================================================
|
|
CHANGE_VISIBILITY($tool,$id)
|
|
=================================================*/
|
|
/**
|
|
* This functions swithes the visibility a course resource
|
|
* using the visibility field in 'item_property'
|
|
* values: 0 = invisibility for
|
|
*/
|
|
function change_visibility($tool,$id)
|
|
{
|
|
global $_course;
|
|
global $tbl_item_property;
|
|
|
|
$sql="SELECT * FROM $tbl_item_property WHERE tool='$tool' AND ref='$id'";
|
|
|
|
$result=api_sql_query($sql,__FILE__,__LINE__) or die (mysql_error());
|
|
$row=mysql_fetch_array($result);
|
|
|
|
if ($row['visibility']=='1')
|
|
{
|
|
$sql_visibility="UPDATE $tbl_item_property SET visibility='0' WHERE tool='$tool' AND ref='$id'";
|
|
}
|
|
else
|
|
{
|
|
$sql_visibility="UPDATE $tbl_item_property SET visibility='1' WHERE tool='$tool' AND ref='$id'";
|
|
}
|
|
|
|
$result=api_sql_query($sql_visibility,__FILE__,__LINE__) or die (mysql_error());
|
|
}
|
|
|
|
|
|
/*====================================================
|
|
STORE_ADVALVAS_ITEM
|
|
====================================================*/
|
|
|
|
function store_advalvas_item($emailTitle,$newContent, $order, $to)
|
|
{
|
|
|
|
global $_course;
|
|
global $nameTools;
|
|
global $_user;
|
|
|
|
global $tbl_announcement;
|
|
global $tbl_item_property;
|
|
|
|
// store in the table announcement
|
|
$sql = "INSERT INTO $tbl_announcement SET content = '$newContent', title = '$emailTitle', end_date = NOW(), display_order ='$order'";
|
|
$result = api_sql_query($sql,__FILE__,__LINE__) or die (mysql_error());
|
|
$last_id= mysql_insert_id();
|
|
|
|
// store in item_property (first the groups, then the users
|
|
if (!is_null($to)) // !is_null($to): when no user is selected we send it to everyone
|
|
{
|
|
$send_to=separate_users_groups($to);
|
|
// storing the selected groups
|
|
if (is_array($send_to['groups']))
|
|
{
|
|
foreach ($send_to['groups'] as $group)
|
|
{
|
|
api_item_property_update($_course, TOOL_ANNOUNCEMENT, $last_id, "AnnouncementAdded", $_user['user_id'], $group);
|
|
}
|
|
}
|
|
|
|
// storing the selected users
|
|
if (is_array($send_to['users']))
|
|
{
|
|
foreach ($send_to['users'] as $user)
|
|
{
|
|
api_item_property_update($_course, TOOL_ANNOUNCEMENT, $last_id, "AnnouncementAdded", $_user['user_id'], '', $user);
|
|
}
|
|
}
|
|
}
|
|
else // the message is sent to everyone, so we set the group to 0
|
|
{
|
|
api_item_property_update($_course, TOOL_ANNOUNCEMENT, $last_id, "AnnouncementAdded", $_user['user_id'], '0');
|
|
}
|
|
|
|
return $last_id;
|
|
|
|
}
|
|
|
|
|
|
/*==================================================
|
|
EDIT_VALVAS_ITEM
|
|
==================================================*/
|
|
/**
|
|
* This function stores the announcement Item in the table announcement
|
|
* and updates the item_property also
|
|
*/
|
|
function edit_advalvas_item($id,$emailTitle,$newContent,$to)
|
|
{
|
|
global $_course;
|
|
global $nameTools;
|
|
global $_user;
|
|
|
|
global $tbl_announcement;
|
|
global $tbl_item_property;
|
|
|
|
// store the modifications in the table announcement
|
|
$sql = "UPDATE $tbl_announcement SET content='$newContent', title = '$emailTitle' WHERE id='$id'";
|
|
|
|
$result = api_sql_query($sql,__FILE__,__LINE__) or die (mysql_error());
|
|
|
|
// we remove everything from item_property for this
|
|
$sql_delete="DELETE FROM $tbl_item_property WHERE ref='$id' AND tool='announcement'";
|
|
$result = api_sql_query($sql_delete,__FILE__,__LINE__) or die (mysql_error());
|
|
|
|
// store in item_property (first the groups, then the users
|
|
if (!is_null($to)) // !is_null($to): when no user is selected we send it to everyone
|
|
{
|
|
$send_to=separate_users_groups($to);
|
|
// storing the selected groups
|
|
if (is_array($send_to['groups']))
|
|
{
|
|
foreach ($send_to['groups'] as $group)
|
|
{
|
|
api_item_property_update($_course, TOOL_ANNOUNCEMENT, $id, "AnnouncementUpdated", $_user['user_id'], $group);
|
|
}
|
|
}
|
|
// storing the selected users
|
|
if (is_array($send_to['users']))
|
|
{
|
|
foreach ($send_to['users'] as $user)
|
|
{
|
|
api_item_property_update($_course, TOOL_ANNOUNCEMENT, $id, "AnnouncementUpdated", $_user['user_id'], '', $user);
|
|
}
|
|
}
|
|
}
|
|
else // the message is sent to everyone, so we set the group to 0
|
|
{
|
|
api_item_property_update($_course, TOOL_ANNOUNCEMENT, $id, "AnnouncementUpdated", $_user['user_id'], '0');
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
==============================================================================
|
|
MAIL FUNCTIONS
|
|
==============================================================================
|
|
*/
|
|
|
|
/**
|
|
* Sends an announcement by email to a list of users.
|
|
* Emails are sent one by one to try to avoid antispam.
|
|
*/
|
|
function send_announcement_email($user_list, $course_code, $_course, $mail_title, $mail_content)
|
|
{
|
|
foreach ($user_list as $this_user)
|
|
{
|
|
/* Header : Bericht van uw lesgever - GES ($course_code) - Morgen geen les! ($mail_title)
|
|
Body : John Doe (prenom + nom) <john_doe@hotmail.com> (email)
|
|
|
|
Morgen geen les! ($mail_title)
|
|
|
|
Morgen is er geen les, de les wordt geschrapt wegens vergadering (newContent)
|
|
*/
|
|
$mail_subject = get_lang('professorMessage').' - '.$_course['official_code'].' - '.$mail_title;
|
|
|
|
$mail_body = '['.$_course['official_code'].'] - ['.$_course['name']."]\n";
|
|
$mail_body .= $this_user['lastname'].' '.$this_user['firstname'].' <'.$this_user["email"]."> \n\n".stripslashes($mail_title)."\n\n".trim(stripslashes(html_entity_decode(strip_tags(str_replace(array('<p>','</p>','<br />'),array('',"\n","\n"),$mail_content)))))." \n\n-- \n";
|
|
$mail_body .= $_user['firstName'].' '.$_user['lastName'].' ';
|
|
$mail_body .= '<'.$_user['mail'].">\n";
|
|
$mail_body .= $_course['official_code'].' '.$_course['name'];
|
|
|
|
//set the charset and use it for the encoding of the email - small fix, not really clean (should check the content encoding origin first)
|
|
//here we use the encoding used for the webpage where the text is encoded (ISO-8859-1 in this case)
|
|
if(empty($charset)){$charset='ISO-8859-1';}
|
|
$encoding = 'Content-Type: text/plain; charset='. $charset;
|
|
|
|
$newmail = api_mail($this_user['lastname'].' '.$this_user['firstname'], $this_user['email'], $mail_subject, $mail_body, $_SESSION['_user']['lastName'].' '.$_SESSION['_user']['firstName'], $_SESSION['_user']['mail'], $encoding);
|
|
}
|
|
}
|
|
|
|
function update_mail_sent($insert_id)
|
|
{
|
|
global $_course;
|
|
global $tbl_announcement;
|
|
|
|
// store the modifications in the table tbl_annoucement
|
|
$sql = "UPDATE $tbl_announcement SET email_sent='1' WHERE id='$insert_id'";
|
|
api_sql_query($sql,__FILE__,__LINE__);
|
|
} |