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- <?php //$Id: announcements.inc.php 21903 2009-07-08 17:28:02Z juliomontoya $
- /*
- ==============================================================================
- Dokeos - elearning and course management software
- Copyright (c) 2004-2008 Dokeos SPRL
- Copyright (c) various contributors
- For a full list of contributors, see "credits.txt".
- The full license can be read in "license.txt".
- This program is free software; you can redistribute it and/or
- modify it under the terms of the GNU General Public License
- as published by the Free Software Foundation; either version 2
- of the License, or (at your option) any later version.
- See the GNU General Public License for more details.
- Contact address: Dokeos, rue du Corbeau, 108, B-1030 Brussels, Belgium
- Mail: info@dokeos.com
- ==============================================================================
- */
- /**
- ==============================================================================
- * Include file with functions for the announcements module.
- * @package dokeos.announcements
- ==============================================================================
- */
- $tbl_announcement_attachment = Database::get_course_table(TABLE_ANNOUNCEMENT_ATTACHMENT);
- /*
- ==============================================================================
- DISPLAY FUNCTIONS
- ==============================================================================
- */
- /**
- * displays one specific announcement
- * @param $announcement_id, the id of the announcement you want to display
- * @todo remove globals
- * @todo more security checking
- */
- function display_announcement($announcement_id)
- {
- global $_user, $dateFormatLong;
- if ($announcement_id != strval(intval($announcement_id))) { return false; } // potencial sql injection
- $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
- $tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
- if ($_user['user_id'])
- {
- $sql_query = " SELECT announcement.*, toolitemproperties.*
- FROM $tbl_announcement announcement, $tbl_item_property toolitemproperties
- WHERE announcement.id = toolitemproperties.ref
- AND announcement.id = '$announcement_id'
- AND toolitemproperties.tool='announcement'
- AND (toolitemproperties.to_user_id='".$_user['user_id']."' OR toolitemproperties.to_group_id='0')
- AND toolitemproperties.visibility='1'
- ORDER BY display_order DESC";
- }
- else
- {
- $sql_query = " SELECT announcement.*, toolitemproperties.*
- FROM $tbl_announcement announcement, $tbl_item_property toolitemproperties
- WHERE announcement.id = toolitemproperties.ref
- AND announcement.id = '$announcement_id'
- AND toolitemproperties.tool='announcement'
- AND toolitemproperties.to_group_id='0'
- AND toolitemproperties.visibility='1'";
- }
- $sql_result = Database::query($sql_query,__FILE__,__LINE__);
- $result = Database::fetch_array($sql_result);
- if ($result !== false) // A sanity check.
- {
- $title = $result['title'];
- $content = $result['content'];
- $content = make_clickable($content);
- $content = text_filter($content);
- $last_post_datetime = $result['insert_date'];// post time format datetime de mysql
- list($last_post_date, $last_post_time) = split(" ", $last_post_datetime);
- }
- echo "<table height=\"100\" width=\"100%\" border=\"1\" cellpadding=\"5\" cellspacing=\"0\" id=\"agenda_list\">\n";
- echo "<tr class=\"data\"><td>" . $title . "</td></tr>\n";
- echo "<tr><td class=\"announcements_datum\">" . get_lang('AnnouncementPublishedOn') . " : " . api_ucfirst(format_locale_date($dateFormatLong,strtotime($last_post_date) ) ) . "</td></tr>\n";
- echo "<tr class=\"text\"><td>$content</td></tr>\n";
- echo "</table>";
- }
- /*======================================
- SHOW_TO_FORM
- ======================================*/
- /**
- * this function shows the form for sending a message to a specific group or user.
- */
- function show_to_form($to_already_selected)
- {
- $user_list=get_course_users();
- $group_list=get_course_groups();
- if ($to_already_selected == "")
- $to_already_selected = array();
- echo "\n<table id=\"recipient_list\" style=\"display: none;\">\n";
- echo "\t<tr>\n";
- // the form containing all the groups and all the users of the course
- echo "\t\t<td>\n";
- echo "<strong>".get_lang('Users')."</strong><br />";
- construct_not_selected_select_form($group_list,$user_list,$to_already_selected);
- echo "\t\t</td>\n";
- // the buttons for adding or removing groups/users
- echo "\n\t\t<td valign=\"middle\">\n";
- /*echo "\t\t<input type=\"button\" ",
- "onClick=\"javascript: move(this.form.elements[0],this.form.elements[3])\" ",// 7 & 4 : fonts
- "value=\" >> \">",
- "\n\t\t<p> </p>",
- "\n\t\t<input type=\"button\"",
- "onClick=\"javascript: move(this.form.elements[3],this.form.elements[0])\" ",
- "value=\" << \">";*/
- ?>
- <button class="arrowr" type="button" onClick="javascript: move(this.form.elements[0], this.form.elements[3])" onClick="javascript: move(this.form.elements[0], this.form.elements[3])"></button>
- <br /> <br />
- <button class="arrowl" type="button" onClick="javascript: move(this.form.elements[3], this.form.elements[0])" onClick="javascript: move(this.form.elements[3], this.form.elements[0])"></button>
- <?php
- echo "\t\t</td>\n";
- echo "\n\t\t<td>\n";
- // the form containing the selected groups and users
- echo "<strong>".get_lang('DestinationUsers')."</strong><br />";
- construct_selected_select_form($group_list,$user_list,$to_already_selected);
- echo "\t\t</td>\n";
- echo "\t</tr>\n";
- echo "</table>";
- }
- /*===========================================
- CONSTRUCT_NOT_SELECT_SELECT_FORM
- ===========================================*/
- /**
- * this function shows the form for sending a message to a specific group or user.
- */
- function construct_not_selected_select_form($group_list=null, $user_list=null,$to_already_selected)
- {
- echo "\t\t<select name=\"not_selected_form[]\" size=5 style=\"width:200px\" multiple>\n";
- // adding the groups to the select form
- if ($group_list)
- {
- foreach($group_list as $this_group)
- {
- if (is_array($to_already_selected))
- {
- if (!in_array("GROUP:".$this_group['id'],$to_already_selected)) // $to_already_selected is the array containing the groups (and users) that are already selected
- {
- echo "\t\t<option value=\"GROUP:".$this_group['id']."\">",
- "G: ",$this_group['name']," - " . $this_group['userNb'] . " " . get_lang('Users') .
- "</option>\n";
- }
- }
- }
- // a divider
- echo "\t\t<option value=\"\">---------------------------------------------------------</option>\n";
- }
- // adding the individual users to the select form
- foreach($user_list as $this_user)
- {
- if (is_array($to_already_selected)) {
- if (!(in_array("USER:".$this_user["user_id"],$to_already_selected))) // $to_already_selected is the array containing the users (and groups) that are already selected
- {
- echo "\t\t<option value=\"USER:",$this_user["user_id"],"\">",
- "", api_get_person_name($this_user['firstName'], $this_user['lastName']),
- "</option>\n";
- }
- }
- }
- echo "\t\t</select>\n";
- }
- /*==========================================
- CONSTRUCT_SELECTED_SELECT_FORM
- ==========================================*/
- /**
- * this function shows the form for sending a message to a specific group or user.
- */
- function construct_selected_select_form($group_list=null, $user_list=null,$to_already_selected)
- {
- // we separate the $to_already_selected array (containing groups AND users into
- // two separate arrays
- $groupuser = array();
- if (is_array($to_already_selected))
- {
- $groupuser=separate_users_groups($to_already_selected);
- }
- $groups_to_already_selected=$groupuser['groups'];
- $users_to_already_selected=$groupuser['users'];
- // we load all the groups and all the users into a reference array that we use to search the name of the group / user
- $ref_array_groups=get_course_groups();
- $ref_array_users=get_course_users();
- // we construct the form of the already selected groups / users
- echo "\t\t<select name=\"selectedform[]\" size=\"5\" multiple style=\"width:200px\" width=\"200px\">";
- if (is_array($to_already_selected)) {
- foreach($to_already_selected as $groupuser)
- {
- list($type,$id)=explode(":",$groupuser);
- if ($type=="GROUP")
- {
- echo "\t\t<option value=\"".$groupuser."\">G: ".$ref_array_groups[$id]['name']."</option>";
- }
- else
- {
- foreach($ref_array_users as $key=>$value){
- if($value['user_id']==$id){
- echo "\t\t<option value=\"".$groupuser."\">".api_get_person_name($value['firstName'], $value['lastName'])."</option>";
- break;
- }
- }
- }
- }
- } else {
- if ($to_already_selected=='everyone') {
- // adding the groups to the select form
- if (is_array($ref_array_groups))
- {
- foreach($ref_array_groups as $this_group)
- {
- //api_display_normal_message("group " . $thisGroup[id] . $thisGroup[name]);
- if (!is_array($to_already_selected) || !in_array("GROUP:".$this_group['id'],$to_already_selected)) // $to_already_selected is the array containing the groups (and users) that are already selected
- {
- echo "\t\t<option value=\"GROUP:".$this_group['id']."\">",
- "G: ",$this_group['name']," – " . $this_group['userNb'] . " " . get_lang('Users') .
- "</option>\n";
- }
- }
- }
- // adding the individual users to the select form
- foreach($ref_array_users as $this_user)
- {
- if (!is_array($to_already_selected) || !in_array("USER:".$this_user['user_id'],$to_already_selected)) // $to_already_selected is the array containing the users (and groups) that are already selected
- {
- echo "\t\t<option value=\"USER:",$this_user['user_id'],"\">",
- "", api_get_person_name($this_user['lastName'], $this_user['firstName']),
- "</option>\n";
- }
- }
- }
- }
- echo "</select>\n";
- }
- /**
- * this function shows the form for sending a message to a specific group or user.
- */
- function show_to_form_group($group_id)
- {
- echo "\n<table id=\"recipient_list\" style=\"display: none;\">\n";
- echo "\t<tr>\n";
- echo "\t\t<td>\n";
- echo "\t\t<select name=\"not_selected_form[]\" size=5 style=\"width:200px\" multiple>\n";
- $group_users = GroupManager::get_subscribed_users($group_id);
- foreach ($group_users as $user){
- echo '<option value="'.$user['user_id'].'">'.api_get_person_name($user['firstname'], $user['lastname']).'</option>';
- }
- echo '</select>';
- echo "\t\t</td>\n";
- // the buttons for adding or removing groups/users
- echo "\n\t\t<td valign=\"middle\">\n";
- /*echo "\t\t<input type=\"button\" ",
- "onClick=\"move(this.form.elements[1],this.form.elements[4])\" ",// 7 & 4 : fonts
- "value=\" >> \">",
- "\n\t\t<p> </p>",
- "\n\t\t<input type=\"button\"",
- "onClick=\"move(this.form.elements[4],this.form.elements[1])\" ",
- "value=\" << \">";*/
- ?>
- <button class="arrowr" type="button" onClick="javascript: move(this.form.elements[1], this.form.elements[4])" onClick="javascript: move(this.form.elements[1], this.form.elements[4])"></button>
- <br /> <br />
- <button class="arrowl" type="button" onClick="javascript: move(this.form.elements[4], this.form.elements[1])" onClick="javascript: move(this.form.elements[4], this.form.elements[1])"></button>
- <?php
- echo "\t\t</td>\n";
- echo "\n\t\t<td>\n";
- echo "\t\t<select name=\"selectedform[]\" size=5 style=\"width:200px\" multiple>\n";
- echo '</select>';
- echo "\t\t</td>\n";
- echo "\t</tr>\n";
- echo "</table>";
- }
- /*
- ==============================================================================
- DATA FUNCTIONS
- ==============================================================================
- */
- /**
- * this function gets all the users of the course,
- * including users from linked courses
- */
- function get_course_users()
- {
- //this would return only the users from real courses:
- //$user_list = CourseManager::get_user_list_from_course_code(api_get_course_id());
- $user_list = CourseManager::get_real_and_linked_user_list(api_get_course_id(), true, $_SESSION['id_session']);
- return $user_list;
- }
- /**
- * this function gets all the groups of the course,
- * not including linked courses
- */
- function get_course_groups()
- {
- $new_group_list = CourseManager::get_group_list_of_course(api_get_course_id(), intval($_SESSION['id_session']));
- return $new_group_list;
- }
- /*======================================
- LOAD_EDIT_USERS
- ======================================*/
- /**
- * This tools loads all the users and all the groups who have received
- * a specific item (in this case an announcement item)
- */
- function load_edit_users($tool, $id)
- {
- global $_course;
- global $tbl_item_property;
- $tool = Database::escape_string($tool);
- $id = Database::escape_string($id);
- $sql="SELECT * FROM $tbl_item_property WHERE tool='$tool' AND ref='$id'";
- $result=Database::query($sql,__FILE__,__LINE__) or die (mysql_error());
- while ($row=Database::fetch_array($result))
- {
- $to_group=$row['to_group_id'];
- switch ($to_group)
- {
- // it was send to one specific user
- case null:
- $to[]="USER:".$row['to_user_id'];
- break;
- // it was sent to everyone
- case 0:
- return "everyone";
- exit;
- break;
- default:
- $to[]="GROUP:".$row['to_group_id'];
- }
- }
- return $to;
- }
- /*======================================
- USER_GROUP_FILTER_JAVASCRIPT
- ======================================*/
- /**
- * returns the javascript for setting a filter
- * this goes into the $htmlHeadXtra[] array
- */
- function user_group_filter_javascript()
- {
- return "<script language=\"JavaScript\" type=\"text/JavaScript\">
- <!--
- function jumpMenu(targ,selObj,restore)
- {
- eval(targ+\".location='\"+selObj.options[selObj.selectedIndex].value+\"'\");
- if (restore) selObj.selectedIndex=0;
- }
- //-->
- </script>
- ";
- }
- /*======================================
- TO_JAVASCRIPT
- ========================================*/
- /**
- * returns all the javascript that is required for easily
- * setting the target people/groups
- * this goes into the $htmlHeadXtra[] array
- */
- function to_javascript()
- {
- return "<script type=\"text/javascript\" language=\"JavaScript\">
- <!-- Begin javascript menu swapper
- function move(fbox, tbox)
- {
- var arrFbox = new Array();
- var arrTbox = new Array();
- var arrLookup = new Array();
- var i;
- for (i = 0; i < tbox.options.length; i++)
- {
- arrLookup[tbox.options[i].text] = tbox.options[i].value;
- arrTbox[i] = tbox.options[i].text;
- }
- var fLength = 0;
- var tLength = arrTbox.length;
- for(i = 0; i < fbox.options.length; i++)
- {
- arrLookup[fbox.options[i].text] = fbox.options[i].value;
- if (fbox.options[i].selected && fbox.options[i].value != \"\")
- {
- arrTbox[tLength] = fbox.options[i].text;
- tLength++;
- }
- else
- {
- arrFbox[fLength] = fbox.options[i].text;
- fLength++;
- }
- }
- arrFbox.sort();
- arrTbox.sort();
- var arrFboxGroup = new Array();
- var arrFboxUser = new Array();
- var prefix_x;
- for (x = 0; x < arrFbox.length; x++) {
- prefix_x = arrFbox[x].substring(0,2);
- if (prefix_x == 'G:') {
- arrFboxGroup.push(arrFbox[x]);
- } else {
- arrFboxUser.push(arrFbox[x]);
- }
- }
- arrFboxGroup.sort();
- arrFboxUser.sort();
- arrFbox = arrFboxGroup.concat(arrFboxUser);
- var arrTboxGroup = new Array();
- var arrTboxUser = new Array();
- var prefix_y;
- for (y = 0; y < arrTbox.length; y++) {
- prefix_y = arrTbox[y].substring(0,2);
- if (prefix_y == 'G:') {
- arrTboxGroup.push(arrTbox[y]);
- } else {
- arrTboxUser.push(arrTbox[y]);
- }
- }
- arrTboxGroup.sort();
- arrTboxUser.sort();
- arrTbox = arrTboxGroup.concat(arrTboxUser);
- fbox.length = 0;
- tbox.length = 0;
- var c;
- for(c = 0; c < arrFbox.length; c++)
- {
- var no = new Option();
- no.value = arrLookup[arrFbox[c]];
- no.text = arrFbox[c];
- fbox[c] = no;
- }
- for(c = 0; c < arrTbox.length; c++)
- {
- var no = new Option();
- no.value = arrLookup[arrTbox[c]];
- no.text = arrTbox[c];
- tbox[c] = no;
- }
- }
- function validate()
- {
- var f = document.new_calendar_item;
- f.submit();
- return true;
- }
- function selectAll(cbList,bSelect,showwarning)
- {
- if (document.getElementById('emailTitle').value==''){
- document.getElementById('msg_error').innerHTML='".get_lang('FieldRequired')."';
- document.getElementById('msg_error').style.display='block';
- document.getElementById('emailTitle').focus();
- }else {
- if (cbList.length < 1) {
- if (!confirm(\"".get_lang('Send2All')."\")) {
- return false;
- }
- }
- for (var i=0; i<cbList.length; i++)
- cbList[i].selected = cbList[i].checked = bSelect;
- document.f1.submit();
- }
- }
- function reverseAll(cbList)
- {
- for (var i=0; i<cbList.length; i++)
- {
- cbList[i].checked = !(cbList[i].checked)
- cbList[i].selected = !(cbList[i].selected)
- }
- }
- function plus_attachment() {
- if (document.getElementById('options').style.display == 'none') {
- document.getElementById('options').style.display = 'block';
- document.getElementById('plus').innerHTML=' <img style=\"vertical-align:middle;\" src=\"../img/div_hide.gif\" alt=\"\" /> ".get_lang('AddAnAttachment')."';
- } else {
- document.getElementById('options').style.display = 'none';
- document.getElementById('plus').innerHTML=' <img style=\"vertical-align:middle;\" src=\"../img/div_show.gif\" alt=\"\" /> ".get_lang('AddAnAttachment')."';
- }
- }
- // End -->
- </script>";
- }
- /*======================================
- SENT_TO_FORM
- ======================================*/
- /**
- * constructs the form to display all the groups and users the message has been sent to
- * input: $sent_to_array is a 2 dimensional array containing the groups and the users
- * the first level is a distinction between groups and users:
- * $sent_to_array['groups'] * and $sent_to_array['users']
- * $sent_to_array['groups'] (resp. $sent_to_array['users']) is also an array
- * containing all the id's of the groups (resp. users) who have received this message.
- * @author Patrick Cool <patrick.cool@>
- */
- function sent_to_form($sent_to_array)
- {
- // we find all the names of the groups
- $group_names=get_course_groups();
- count($sent_to_array);
- // we count the number of users and the number of groups
- if (isset($sent_to_array['users']))
- {
- $number_users=count($sent_to_array['users']);
- }
- else
- {
- $number_users=0;
- }
- if (isset($sent_to_array['groups']))
- {
- $number_groups=count($sent_to_array['groups']);
- }
- else
- {
- $number_groups=0;
- }
- $total_numbers=$number_users+$number_groups;
- // starting the form if there is more than one user/group
- if ($total_numbers >1)
- {
- $output="<select name=\"sent to\">\n";
- $output.="<option>".get_lang("SentTo")."</option>";
- // outputting the name of the groups
- if (is_array($sent_to_array['groups']))
- {
- foreach ($sent_to_array['groups'] as $group_id)
- {
- $output.="\t<option value=\"\">G: ".$group_names[$group_id]['name']."</option>\n";
- }
- }
- if (isset($sent_to_array['users']))
- {
- if (is_array($sent_to_array['users']))
- {
- foreach ($sent_to_array['users'] as $user_id)
- {
- $user_info = api_get_user_info($user_id);
- $output.="\t<option value=\"\">".api_get_person_name($user_info['firstName'], $user_info['lastName'])."</option>\n";
- }
- }
- }
- // ending the form
- $output.="</select>\n";
- }
- else // there is only one user/group
- {
- if (isset($sent_to_array['users']) and is_array($sent_to_array['users']))
- {
- $user_info = api_get_user_info($sent_to_array['users'][0]);
- echo api_get_person_name($user_info['firstName'], $user_info['lastName']);
- }
- if (isset($sent_to_array['groups']) and is_array($sent_to_array['groups']) and $sent_to_array['groups'][0]!==0)
- {
- $group_id=$sent_to_array['groups'][0];
- echo $group_names[$group_id]['name'];
- }
- if (isset($sent_to_array['groups']) and is_array($sent_to_array['groups']) and $sent_to_array['groups'][0]==0)
- {
- echo get_lang("Everybody");
- }
- }
- if(!empty($output))
- {
- echo $output;
- }
- }
- /*======================================
- SEPARATE_USERS_GROUPS
- ======================================*/
- /**
- * This function separates the users from the groups
- * users have a value USER:XXX (with XXX the dokeos id
- * groups have a value GROUP:YYY (with YYY the group id)
- * @param array Array of strings that define the type and id of each destination
- * @return array Array of groups and users (each an array of IDs)
- */
- function separate_users_groups($to)
- {
- foreach($to as $to_item) {
- list($type, $id) = explode(':', $to_item);
- switch($type) {
- case 'GROUP':
- $grouplist[] = intval($id);
- break;
- case 'USER':
- $userlist[] = intval($id);
- break;
- }
- }
- $send_to['groups']=$grouplist;
- $send_to['users']=$userlist;
- return $send_to;
- }
- /*======================================
- SENT_TO()
- ======================================*/
- /**
- * Returns all the users and all the groups a specific announcement item
- * has been sent to
- * @param string The tool (announcement, agenda, ...)
- * @param int ID of the element of the corresponding type
- * @return array Array of users and groups to whom the element has been sent
- */
- function sent_to($tool, $id)
- {
- global $_course;
- global $tbl_item_property;
- $tool = Database::escape_string($tool);
- $id = Database::escape_string($id);
- $sent_to_group = array();
- $sent_to = array();
- $sql="SELECT * FROM $tbl_item_property WHERE tool='$tool' AND ref='".$id."'";
- $result = Database::query($sql,__FILE__,__LINE__);
- while ($row=Database::fetch_array($result)) {
- // if to_group_id is null then it is sent to a specific user
- // if to_group_id = 0 then it is sent to everybody
- if ($row['to_group_id'] != 0)
- {
- $sent_to_group[]=$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,$id)
- =================================================*/
- /**
- * This functions swithes the visibility a course resource
- * using the visibility field in 'item_property'
- * values: 0 = invisibility for
- * @param string The tool (announcement, agenda, ...)
- * @param int ID of the element of the corresponding type
- * @return bool False on failure, True on success
- */
- function change_visibility_announcement($tool,$id)
- {
- global $_course;
- global $tbl_item_property;
- $tool = Database::escape_string($tool);
- $id = Database::escape_string($id);
- $sql="SELECT * FROM $tbl_item_property WHERE tool='$tool' AND ref='$id'";
- $result=Database::query($sql,__FILE__,__LINE__) or die (mysql_error());
- $row=Database::fetch_array($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'";
- }
- $result=Database::query($sql_visibility,__FILE__,__LINE__);
- if ($result === false) {
- return false;
- }
- return true;
- }
- /**
- * Store an announcement in the database (including its attached file if any)
- * @param string Announcement title (pure text)
- * @param string Content of the announcement (can be HTML)
- * @param int Display order in the list of announcements
- * @param array Array of users and groups to send the announcement to
- * @param array uploaded file $_FILES
- * @param string Comment describing the attachment
- * @return int false on failure, ID of the announcement on success
- */
- function store_advalvas_item($emailTitle, $newContent, $order, $to, $file = array(), $file_comment='') {
- global $_course;
- global $nameTools;
- global $_user;
- $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
- $tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
- // filter data
- $emailTitle = Database::escape_string($emailTitle);
- $newContent = Database::escape_string($newContent);
- $order = intval($order);
- // store in the table announcement
- $sql = "INSERT INTO $tbl_announcement SET content = '$newContent', title = '$emailTitle', end_date = NOW(), display_order ='$order', session_id=".intval($_SESSION['id_session']);
- $result = Database::query($sql,__FILE__,__LINE__);
- if ($result === false) {
- return false;
- }
- //store the attach file
- $last_id = Database::insert_id();
- if (!empty($file)) {
- $save_attachment = add_announcement_attachment_file($last_id, $file_comment, $_FILES['user_upload']);
- }
- // store in item_property (first the groups, then the users
- if (!is_null($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 $last_id;
- }
- function store_advalvas_group_item($emailTitle,$newContent, $order, $to, $to_users, $file = array(), $file_comment='')
- {
- global $_course;
- global $nameTools;
- global $_user;
- // database definitions
- $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
- $tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
- $newContent=stripslashes($newContent);
- $emailTitle = Database::escape_string($emailTitle);
- $newContent = Database::escape_string($newContent);
- $order = intval($order);
- // store in the table announcement
- $sql = "INSERT INTO $tbl_announcement SET content = '$newContent', title = '$emailTitle', end_date = NOW(), display_order ='$order', session_id=".intval($_SESSION['id_session']);
- $result = Database::query($sql,__FILE__,__LINE__) or die (mysql_error());
- if ($result === false) {
- return false;
- }
- //store the attach file
- $last_id = Database::insert_id();
- if (empty($file)) {
- $save_attachment = add_announcement_attachment_file($last_id, $file_comment, $file);
- }
- // store in item_property (first the groups, then the users
- if (!isset($to_users)) // !isset($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'], $group);
- }
- }
- }
- else // the message is sent to everyone, so we set the group to 0
- {
- // storing the selected users
- if (is_array($to_users))
- {
- foreach ($to_users as $user)
- {
- api_item_property_update($_course, TOOL_ANNOUNCEMENT, $last_id, "AnnouncementAdded", $_user['user_id'], '', $user);
- }
- }
- }
- 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,$to,$file = array(), $file_comment='')
- {
- global $_course;
- global $nameTools;
- global $_user;
- global $tbl_announcement;
- global $tbl_item_property;
- $newContent=stripslashes($newContent);
- $emailTitle = Database::escape_string(Security::remove_XSS($emailTitle));
- $newContent = Database::escape_string(Security::remove_XSS($newContent,COURSEMANAGERLOWSECURITY));
- $order = intval($order);
- // store the modifications in the table announcement
- $sql = "UPDATE $tbl_announcement SET content='$newContent', title = '$emailTitle' WHERE id='$id'";
- $result = Database::query($sql,__FILE__,__LINE__) or die (mysql_error());
- // save attachment file
- $row_attach = get_attachment($id);
- $id_attach = intval($row_attach['id']);
- if (!empty($file)) {
- if (empty($id_attach)) {
- add_announcement_attachment_file($id,$file_comment,$file);
- } else {
- edit_announcement_attachment_file($id_attach,$file,$file_comment);
- }
- }
- // we remove everything from item_property for this
- $sql_delete="DELETE FROM $tbl_item_property WHERE ref='$id' AND tool='announcement'";
- $result = Database::query($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'], 0, $user);
- }
- }
- }
- else // the message is sent to everyone, so we set the group to 0
- {
- api_item_property_update($_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)
- {
- global $_user;
- foreach ($user_list as $this_user) {
- $mail_subject = get_lang('professorMessage').' - '.$_course['official_code'].' - '.$mail_title;
- $mail_body = '['.$_course['official_code'].'] - ['.$_course['name']."]\n";
- $mail_body .= api_get_person_name($this_user['firstname'], $this_user['lastname'], null, PERSON_NAME_EMAIL_ADDRESS).' <'.$this_user["email"]."> \n\n".stripslashes($mail_title)."\n\n".trim(stripslashes(api_html_entity_decode(strip_tags(str_replace(array('<p>','</p>','<br />'),array('',"\n","\n"),$mail_content)), ENT_QUOTES, api_get_system_encoding())))." \n\n-- \n";
- $mail_body .= api_get_person_name($_user['firstName'], $_user['lastName'], null, PERSON_NAME_EMAIL_ADDRESS).' ';
- $mail_body .= '<'.$_user['mail'].">\n";
- $mail_body .= $_course['official_code'].' '.$_course['name'];
- @api_mail(api_get_person_name($this_user['firstname'], $this_user['lastname'], null, PERSON_NAME_EMAIL_ADDRESS), $this_user['email'], $mail_subject, $mail_body, api_get_person_name($_SESSION['_user']['firstName'], $_SESSION['_user']['lastName'], null, PERSON_NAME_EMAIL_ADDRESS), $_SESSION['_user']['mail']);
- }
- }
- function update_mail_sent($insert_id)
- {
- global $_course;
- global $tbl_announcement;
- if ($insert_id != strval(intval($insert_id))) { return false; }
- $insert_id = Database::escape_string($insert_id);
- // store the modifications in the table tbl_annoucement
- $sql = "UPDATE $tbl_announcement SET email_sent='1' WHERE id='$insert_id'";
- Database::query($sql,__FILE__,__LINE__);
- }
- /**
- * Gets all announcements from a user by course
- * @param string course db
- * @param int user id
- * @return array html with the content and count of announcements or false otherwise
- */
- function get_all_annoucement_by_user_course($course_db, $user_id)
- {
- if (empty($course_db) || empty($user_id)) {
- return false;
- }
- $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT, $course_db);
- $tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY, $course_db);
- if (!empty($user_id) && is_numeric($user_id)) {
- $user_id = intval($user_id);
- $sql="SELECT DISTINCT announcement.title, announcement.content
- FROM $tbl_announcement announcement, $tbl_item_property toolitemproperties
- WHERE announcement.id = toolitemproperties.ref
- AND toolitemproperties.tool='announcement'
- AND (toolitemproperties.insert_user_id='$user_id' AND (toolitemproperties.to_group_id='0' OR toolitemproperties.to_group_id is null))
- AND toolitemproperties.visibility='1'
- AND announcement.session_id = 0
- ORDER BY display_order DESC";
- $rs = Database::query($sql,__FILE__,__LINE__);
- $num_rows = Database::num_rows($rs);
- $content = '';
- $i=0;
- $result = array();
- if ($num_rows>0) {
- while ($myrow = Database::fetch_array($rs)) {
- //if ($i<=4) {
- $content.= '<strong>'.$myrow['title'].'</strong><br /><br />';
- $content.= $myrow['content'];
- /*} else {
- break;
- }*/
- $i++;
- }
- $result['content'] = $content;
- $result['count'] = $i;
- return $result;
- }
- return false;
- }
- return false;
- }
- /*
- ==============================================================================
- ATTACHMENT FUNCTIONS
- ==============================================================================
- */
- /**
- * Show a list with all the attachments according to the post's id
- * @param int announcement id
- * @return array with the post info
- * @author Arthur Portugal
- * @version November 2009, dokeos 1.8.6.2
- */
- function get_attachment($announcement_id) {
- $tbl_announcement_attachment = Database::get_course_table(TABLE_ANNOUNCEMENT_ATTACHMENT);
- $announcement_id=Database::escape_string($announcement_id);
- $row=array();
- $sql = 'SELECT id,path, filename,comment FROM '. $tbl_announcement_attachment.' WHERE announcement_id = '.(int)$announcement_id.'';
- $result=Database::query($sql, __FILE__, __LINE__);
- if (Database::num_rows($result)!=0) {
- $row=Database::fetch_array($result,ASSOC);
- }
- return $row;
- }
- /**
- * This function add a attachment file into announcement
- * @param int announcement id
- * @param string file comment
- * @param array uploaded file $_FILES
- * @return int -1 if failed, 0 if unknown (should not happen), 1 if success
- */
- function add_announcement_attachment_file($announcement_id, $file_comment, $file) {
- global $_course;
- $tbl_announcement_attachment = Database::get_course_table(TABLE_ANNOUNCEMENT_ATTACHMENT);
- $return = 0;
- $announcement_id = intval($announcement_id);
- if (is_array($file) && $file['error'] == 0 ) {
- $courseDir = $_course['path'].'/upload/announcements'; // TODO: This path is obsolete. The new document repository scheme should be kept in mind here.
- $sys_course_path = api_get_path(SYS_COURSE_PATH);
- $updir = $sys_course_path.$courseDir;
- // Try to add an extension to the file if it hasn't one
- $new_file_name = add_ext_on_mime(stripslashes($file['name']), $file['type']);
- // user's file name
- $file_name = $file['name'];
- if (!filter_extension($new_file_name)) {
- $return = -1;
- Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
- } else {
- $new_file_name = uniqid('');
- $new_path = $updir.'/'.$new_file_name;
- $result = @move_uploaded_file($file['tmp_name'], $new_path);
- $safe_file_comment = Database::escape_string($file_comment);
- $safe_file_name = Database::escape_string($file_name);
- $safe_new_file_name = Database::escape_string($new_file_name);
- // Storing the attachments if any
- $sql = 'INSERT INTO '.$tbl_announcement_attachment.'(filename, comment, path, announcement_id, size) '.
- "VALUES ( '$safe_file_name', '$file_comment', '$safe_new_file_name' , '$announcement_id', '".intval($file['size'])."' )";
- $result = Database::query($sql, __LINE__, __FILE__);
- $return = 1;
- }
- }
- return $return;
- }
- /**
- * This function edit a attachment file into announcement
- * @param int attach id
- * @param array uploaded file $_FILES
- * @param string file comment
- * @return int
- */
- function edit_announcement_attachment_file($id_attach, $file, $file_comment) {
- global $_course;
- $tbl_announcement_attachment = Database::get_course_table(TABLE_ANNOUNCEMENT_ATTACHMENT);
- $return = 0;
- if (is_array($file) && $file['error'] == 0 ) {
- $courseDir = $_course['path'].'/upload/announcements'; // TODO: This path is obsolete. The new document repository scheme should be kept in mind here.
- $sys_course_path = api_get_path(SYS_COURSE_PATH);
- $updir = $sys_course_path.$courseDir;
- // Try to add an extension to the file if it hasn't one
- $new_file_name = add_ext_on_mime(stripslashes($file['name']), $file['type']);
- // user's file name
- $file_name =$file ['name'];
- if (!filter_extension($new_file_name)) {
- $return -1;
- Display :: display_error_message(get_lang('UplUnableToSaveFileFilteredExtension'));
- } else {
- $new_file_name = uniqid('');
- $new_path = $updir.'/'.$new_file_name;
- $result = @move_uploaded_file($file['tmp_name'], $new_path);
- $safe_file_comment = Database::escape_string($file_comment);
- $safe_file_name = Database::escape_string($file_name);
- $safe_new_file_name = Database::escape_string($new_file_name);
- $id_attach = intval($id_attach);
- $sql = "UPDATE $tbl_announcement_attachment SET filename = '$safe_file_name', comment = '$safe_file_comment', path = '$safe_new_file_name', size ='".intval($file['size'])."'
- WHERE id = '$id_attach'";
- $result = Database::query($sql, __FILE__,__LINE__);
- if ($result === false) {
- $return = -1;
- Display :: display_error_message(get_lang('UplUnableToSaveFile'));
- } else {
- $return = 1;
- }
- }
- }
- return $return;
- }
- /**
- * This function delete a attachment file by id
- * @param integer attachment file Id
- *
- */
- function delete_announcement_attachment_file($id) {
- global $_course;
- $tbl_announcement_attachment = Database::get_course_table(TABLE_ANNOUNCEMENT_ATTACHMENT);
- $id=Database::escape_string($id);
- $sql="DELETE FROM $tbl_announcement_attachment WHERE id = $id";
- $result=Database::query($sql, __FILE__,__LINE__);
- // update item_property
- //api_item_property_update($_course, 'announcement_attachment', $id,'AnnouncementAttachmentDeleted', api_get_user_id());
- }
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