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- <?php
- /* For licensing terms, see /license.txt */
- /**
- * Include file with functions for the announcements module.
- * @package chamilo.announcements
- * @todo use OOP
- */
- /**
- * @author jmontoya
- *
- */
- class AnnouncementManager {
- public function __construct() {
- }
- public static function get_tags() {
- return array('((user_name))', '((teacher_name))', '((teacher_email))', '((course_title))', '((course_link))');
- }
- public static function parse_content($content, $course_code) {
- $reader_info = api_get_user_info(api_get_user_id());
- $course_info = api_get_course_info($course_code);
- $teacher_list = CourseManager::get_teacher_list_from_course_code($course_info['code']);
- $teacher_name = '';
- if (!empty($teacher_list)) {
- foreach ($teacher_list as $teacher_data) {
- $teacher_name = api_get_person_name($teacher_data['firstname'], $teacher_data['lastname']);
- $teacher_email = $teacher_data['email'];
- break;
- }
- }
- $course_link = api_get_course_url();
- $data['username'] = $reader_info['username'];
- $data['teacher_name'] = $teacher_name;
- $data['teacher_email'] = $teacher_email;
- $data['course_title'] = $course_info['name'];
- $data['course_link'] = Display::url($course_link, $course_link);
- $content = str_replace(self::get_tags(), $data, $content);
- return $content;
- }
- /**
- * Gets all announcements from a course
- * @param string course db
- * @param int session id
- * @return array html with the content and count of announcements or false otherwise
- */
- public static function get_all_annoucement_by_course($course_info, $session_id = 0) {
- $session_id = intval($session_id);
- $course_id = $course_info['real_id'];
- $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
- $tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
- $sql = "SELECT DISTINCT announcement.id, announcement.title, announcement.content
- FROM $tbl_announcement announcement, $tbl_item_property toolitemproperties
- WHERE announcement.id = toolitemproperties.ref AND
- toolitemproperties.tool='announcement' AND
- announcement.session_id = '$session_id' AND
- announcement.c_id = $course_id AND
- toolitemproperties.c_id = $course_id
- ORDER BY display_order DESC";
- $rs = Database::query($sql);
- $num_rows = Database::num_rows($rs);
- $result = array();
- if ($num_rows > 0) {
- $list = array();
- while ($row = Database::fetch_array($rs)) {
- $list[] = $row;
- }
- return $list;
- }
- return false;
- }
- /**
- * This functions swithes the visibility a course resource
- * using the visibility field in 'item_property'
- * @param array the course array
- * @param int ID of the element of the corresponding type
- * @return bool False on failure, True on success
- */
- public static function change_visibility_announcement($_course, $id) {
- $session_id = api_get_session_id();
- $item_visibility = api_get_item_visibility($_course, TOOL_ANNOUNCEMENT, $id, $session_id);
- if ($item_visibility == '1') {
- api_item_property_update($_course, TOOL_ANNOUNCEMENT, $id, 'invisible', api_get_user_id());
- } else {
- api_item_property_update($_course, TOOL_ANNOUNCEMENT, $id, 'visible', api_get_user_id());
- }
- return true;
- }
- /**
- * Deletes an announcement
- * @param array the course array
- * @param int the announcement id
- */
- public static function delete_announcement($_course, $id) {
- api_item_property_update($_course, TOOL_ANNOUNCEMENT, $id, 'delete', api_get_user_id());
- }
- /**
- * Deletes all announcements by course
- * @param array the course array
- */
- public static function delete_all_announcements($_course) {
- $announcements = self::get_all_annoucement_by_course($_course, api_get_session_id());
- foreach ($announcements as $annon) {
- api_item_property_update($_course, TOOL_ANNOUNCEMENT, $annon['id'], 'delete', api_get_user_id());
- }
- }
- /**
- * Displays one specific announcement
- * @param $announcement_id, the id of the announcement you want to display
- */
- public static function display_announcement($announcement_id) {
- if ($announcement_id != strval(intval($announcement_id))) {
- return false;
- } // potencial sql injection
- global $charset;
- $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
- $tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
- $course_id = api_get_course_int_id();
- if (api_is_allowed_to_edit(false, true) || (api_get_course_setting('allow_user_edit_announcement') && !api_is_anonymous())) {
- $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
- announcement.c_id = $course_id AND
- toolitemproperties.c_id = $course_id
- ORDER BY display_order DESC";
- } else {
- $group_list = GroupManager::get_group_ids($course_id, api_get_user_id());
- if (empty($group_list)) {
- $group_list[] = 0;
- }
- if (api_get_user_id() != 0) {
- $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='" . api_get_user_id() . "' OR toolitemproperties.to_group_id IN ('0', '" . implode("', '", $group_list) . "'))
- AND toolitemproperties.visibility='1' AND
- announcement.c_id = $course_id AND
- toolitemproperties.c_id = $course_id
- 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' AND
- announcement.c_id = $course_id AND
- toolitemproperties.c_id = $course_id
- ";
- }
- }
- $sql_result = Database::query($sql_query);
- if (Database::num_rows($sql_result) > 0) {
- $result = Database::fetch_array($sql_result, 'ASSOC');
- $title = $result['title'];
- $content = $result['content'];
- echo "<table height=\"100\" width=\"100%\" cellpadding=\"5\" cellspacing=\"0\" class=\"data_table\">";
- echo "<tr><td><h2>" . $title . "</h2></td></tr>";
- if (api_is_allowed_to_edit(false, true) || (api_get_course_setting('allow_user_edit_announcement') && !api_is_anonymous())) {
- $modify_icons = "<a href=\"" . api_get_self() . "?" . api_get_cidreq() . "&action=modify&id=" . $announcement_id . "\">" . Display::return_icon('edit.png', get_lang('Edit'), '', ICON_SIZE_SMALL) . "</a>";
- if ($result['visibility'] == 1) {
- $image_visibility = "visible";
- $alt_visibility = get_lang('Hide');
- } else {
- $image_visibility = "invisible";
- $alt_visibility = get_lang('Visible');
- }
- global $stok;
- $modify_icons .= "<a href=\"" . api_get_self() . "?" . api_get_cidreq() . "&origin=" . (!empty($_GET['origin']) ? Security::remove_XSS($_GET['origin']) : '') . "&action=showhide&id=" . $announcement_id . "&sec_token=" . $stok . "\">" .
- Display::return_icon($image_visibility . '.png', $alt_visibility, '', ICON_SIZE_SMALL) . "</a>";
- if (api_is_allowed_to_edit(false, true)) {
- $modify_icons .= "<a href=\"" . api_get_self() . "?" . api_get_cidreq() . "&action=delete&id=" . $announcement_id . "&sec_token=" . $stok . "\" onclick=\"javascript:if(!confirm('" . addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset)) . "')) return false;\">" .
- Display::return_icon('delete.png', get_lang('Delete'), '', ICON_SIZE_SMALL) .
- "</a>";
- }
- echo "<tr><th style='text-align:right'>$modify_icons</th></tr>";
- }
- $content = self::parse_content($content, api_get_course_id());
- echo "<tr><td>$content</td></tr>";
- echo "<tr><td class=\"announcements_datum\">" . get_lang('LastUpdateDate') . " : " . api_convert_and_format_date($result['insert_date'], DATE_TIME_FORMAT_LONG) . "</td></tr>";
- // User or group icon
- $sent_to_icon = '';
- if ($result['to_group_id'] !== '0' and $result['to_group_id'] !== 'NULL') {
- $sent_to_icon = Display::return_icon('group.gif', get_lang('AnnounceSentToUserSelection'));
- }
- $sent_to = self::sent_to('announcement', $announcement_id);
- $sent_to_form = self::sent_to_form($sent_to);
- echo Display::tag('td', get_lang('SentTo') . ' : ' . $sent_to_form, array('class' => 'announcements_datum'));
- $attachment_list = self::get_attachment($announcement_id);
- if (count($attachment_list) > 0) {
- echo "<tr><td>";
- $realname = $attachment_list['path'];
- $user_filename = $attachment_list['filename'];
- $full_file_name = 'download.php?file=' . $realname;
- echo '<br/>';
- echo Display::return_icon('attachment.gif', get_lang('Attachment'));
- echo '<a href="' . $full_file_name . ' "> ' . $user_filename . ' </a>';
- echo ' - <span class="forum_attach_comment" >' . $attachment_list['comment'] . '</span>';
- if (api_is_allowed_to_edit(false, true)) {
- echo Display::url(Display::return_icon('delete.png', get_lang('Delete'), '', 16), api_get_self() . "?" . api_get_cidreq() . "&action=delete_attachment&id_attach=" . $attachment_list['id'] . "&sec_token=" . $stok);
- }
- echo '</td></tr>';
- }
- echo "</table>";
- } else {
- return false;
- }
- }
- public static function get_last_announcement_order() {
- $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
- $course_id = api_get_course_int_id();
- $sql_max = "SELECT MAX(display_order) FROM $tbl_announcement WHERE c_id = $course_id ";
- $res_max = Database::query($sql_max);
- $order = 0;
- if (Database::num_rows($res_max)) {
- $row_max = Database::fetch_array($res_max);
- $order = intval($row_max[0])+1;
- }
- return $order;
- }
- /**
- * 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 $_FILES
- * @param string Comment describing the attachment
- * @return int false on failure, ID of the announcement on success
- */
- public static function add_announcement($emailTitle, $newContent, $sent_to, $file = array(), $file_comment = null, $end_date = null) {
- global $_course;
- $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
- // filter data
- $emailTitle = Database::escape_string($emailTitle);
- $newContent = Database::escape_string($newContent);
- if (empty($end_date)) {
- $end_date = api_get_utc_datetime();
- } else {
- $end_date = Database::escape_string($end_date);
- }
- $course_id = api_get_course_int_id();
- $order = self::get_last_announcement_order();
- // store in the table announcement
- $sql = "INSERT INTO $tbl_announcement SET
- c_id = '$course_id',
- content = '$newContent',
- title = '$emailTitle',
- end_date = '$end_date',
- display_order = '$order',
- session_id = " . api_get_session_id();
- $result = Database::query($sql);
- if ($result === false) {
- return false;
- } else {
- //Store the attach file
- $last_id = Database::insert_id();
- if (!empty($file)) {
- self::add_announcement_attachment_file($last_id, $file_comment, $_FILES['user_upload']);
- }
- // store in item_property (first the groups, then the users
- if (!is_null($sent_to)) {
- // !is_null($sent_to): when no user is selected we send it to everyone
- $send_to = self::separate_users_groups($sent_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", api_get_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", api_get_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", api_get_user_id(), '0');
- }
- return $last_id;
- }
- }
- /*
- STORE ANNOUNCEMENT GROUP ITEM
- */
- public static function add_group_announcement($emailTitle, $newContent, $to, $to_users, $file = array(), $file_comment = '') {
- global $_course;
- // database definitions
- $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
- $emailTitle = Database::escape_string($emailTitle);
- $newContent = Database::escape_string($newContent);
- $order = self::get_last_announcement_order();
- $now = api_get_utc_datetime();
- $course_id = api_get_course_int_id();
- // store in the table announcement
- $sql = "INSERT INTO $tbl_announcement SET
- c_id = '$course_id',
- content = '$newContent',
- title = '$emailTitle',
- end_date = '$now',
- display_order = '$order',
- session_id = " . api_get_session_id();
- $result = Database::query($sql);
- if ($result === false) {
- return false;
- }
- //store the attach file
- $last_id = Database::insert_id();
- if (!empty($file)) {
- $save_attachment = self::add_announcement_attachment_file($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
- $send_to = self::separate_users_groups($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", api_get_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", api_get_user_id(), '', $user);
- }
- }
- }
- return $last_id;
- }
- /*
- EDIT ANNOUNCEMENT
- */
- /**
- * This function stores the announcement item in the announcement table
- * and updates the item_property table
- *
- * @param int id of the announcement
- * @param string email
- * @param string content
- * @param array users that will receive the announcement
- * @param mixed attachment
- * @param string file comment
- *
- */
- public static function edit_announcement($id, $emailTitle, $newContent, $to, $file = array(), $file_comment = '') {
- global $_course;
- $course_id = api_get_course_int_id();
- $tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
- $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
- $emailTitle = Database::escape_string($emailTitle);
- $newContent = Database::escape_string($newContent);
- $id = intval($id);
- // store the modifications in the table announcement
- $sql = "UPDATE $tbl_announcement SET content = '$newContent', title = '$emailTitle' WHERE c_id = $course_id AND id='$id'";
- $result = Database::query($sql);
- // save attachment file
- $row_attach = self::get_attachment($id);
- $id_attach = intval($row_attach['id']);
- if (!empty($file)) {
- if (empty($id_attach)) {
- self::add_announcement_attachment_file($id, $file_comment, $file);
- } else {
- self::edit_announcement_attachment_file($id_attach, $file, $file_comment);
- }
- }
- // we remove everything from item_property for this
- $sql_delete = "DELETE FROM $tbl_item_property WHERE c_id = $course_id AND ref='$id' AND tool='announcement'";
- $result = Database::query($sql_delete);
- // 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
- $send_to = self::separate_users_groups($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", api_get_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", api_get_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, $id, "AnnouncementUpdated", api_get_user_id(), '0');
- }
- }
- /*
- MAIL FUNCTIONS
- */
- public static function update_mail_sent($insert_id) {
- $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
- if ($insert_id != strval(intval($insert_id))) {
- return false;
- }
- $insert_id = Database::escape_string($insert_id);
- $course_id = api_get_course_int_id();
- // store the modifications in the table tbl_annoucement
- $sql = "UPDATE $tbl_announcement SET email_sent='1' WHERE c_id = $course_id AND id='$insert_id'";
- Database::query($sql);
- }
- /**
- * Gets all announcements from a user by course
- * @param string course db
- * @param int user id
- * @return array html with the content and count of announcements or false otherwise
- */
- public static function get_all_annoucement_by_user_course($course_code, $user_id) {
- $course_info = api_get_course_info($course_code);
- $course_id = $course_info['real_id'];
- if (empty($user_id)) {
- return false;
- }
- $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
- $tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
- if (!empty($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.c_id = $course_id AND
- toolitemproperties.c_id = $course_id AND
- announcement.id = toolitemproperties.ref AND
- toolitemproperties.tool='announcement' AND
- (toolitemproperties.insert_user_id='$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);
- $num_rows = Database::num_rows($rs);
- $content = '';
- $i = 0;
- $result = array();
- if ($num_rows > 0) {
- while ($myrow = Database::fetch_array($rs)) {
- $content.= '<strong>' . $myrow['title'] . '</strong><br /><br />';
- $content.= $myrow['content'];
- $i++;
- }
- $result['content'] = $content;
- $result['count'] = $i;
- return $result;
- }
- return false;
- }
- return false;
- }
- /*
- SHOW_TO_FORM
- */
- /**
- * this function shows the form for sending a message to a specific group or user.
- */
- public static function show_to_form($to_already_selected) {
- $user_list = self::get_course_users();
- $group_list = self::get_course_groups();
- if ($to_already_selected == '' || $to_already_selected == 'everyone') {
- $to_already_selected = array();
- }
- echo "<table id=\"recipient_list\" style=\"display: none;\">";
- echo '<tr>';
- // the form containing all the groups and all the users of the course
- echo '<td>';
- echo "<strong>" . get_lang('Users') . "</strong><br />";
- self::construct_not_selected_select_form($group_list, $user_list, $to_already_selected);
- echo "</td>";
- // the buttons for adding or removing groups/users
- echo '<td valign="middle">';
- echo '<button class="arrowr" type="button" onClick="javascript: move(this.form.elements[0], this.form.elements[3])" onClick="javascript: move(this.form.elements[0], this.form.elements[3])"></button>';
- echo '<br /> <br />';
- echo '<button class="arrowl" type="button" onClick="javascript: move(this.form.elements[3], this.form.elements[0])" onClick="javascript: move(this.form.elements[3], this.form.elements[0])"></button>';
- echo "</td>";
- echo "<td>";
- // the form containing the selected groups and users
- echo "<strong>" . get_lang('DestinationUsers') . "</strong><br />";
- self::construct_selected_select_form($group_list, $user_list, $to_already_selected);
- echo "</td>";
- echo "</tr>";
- echo "</table>";
- }
- /**
- * this function shows the form for sending a message to a specific group or user.
- */
- public static function show_to_form_group($group_id) {
- echo "<table id=\"recipient_list\" style=\"display: none;\">";
- echo "<tr>";
- echo "<td>";
- echo "<select name=\"not_selected_form[]\" size=5 style=\"width:200px\" multiple>";
- $group_users = GroupManager::get_subscribed_users($group_id);
- foreach ($group_users as $user) {
- echo '<option value="' . $user['user_id'] . '" title="' . sprintf(get_lang('LoginX'), $user['username']) . '" >' . api_get_person_name($user['firstname'], $user['lastname']) . '</option>';
- }
- echo '</select>';
- echo "</td>";
- // the buttons for adding or removing groups/users
- echo "<td valign=\"middle\">";
- echo '<button class="arrowr" type="button" onClick="javascript: move(this.form.elements[1], this.form.elements[4])" onClick="javascript: move(this.form.elements[1], this.form.elements[4])"></button>';
- echo '<br /> <br />';
- echo '<button class="arrowl" type="button" onClick="javascript: move(this.form.elements[4], this.form.elements[1])" onClick="javascript: move(this.form.elements[4], this.form.elements[1])"></button>';
- echo "</td>";
- echo "<td>";
- echo "<select id=\"selectedform\" name=\"selectedform[]\" size=5 style=\"width:200px\" multiple>";
- echo '</select>';
- echo "</td>";
- echo "</tr>";
- echo "</table>";
- }
- /*
- CONSTRUCT_NOT_SELECT_SELECT_FORM
- */
- /**
- * this function shows the form for sending a message to a specific group or user.
- */
- public static function construct_not_selected_select_form($group_list = null, $user_list = null, $to_already_selected) {
- echo '<select name="not_selected_form[]" size="7" class="span4" multiple>';
- // adding the groups to the select form
- if ($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
- $user_label = ($this_group['userNb'] > 0) ? get_lang('Users') : get_lang('LowerCaseUser') ;
- $user_disabled = ($this_group['userNb'] > 0) ? "" : "disabled=disabled" ;
- echo "<option $user_disabled value=\"GROUP:" . $this_group['id'] . "\">",
- "G: ", $this_group['name'], " - " . $this_group['userNb'] . " " . $user_label .
- "</option>";
- }
- }
- }
- // a divider
- echo "<option value=\"\">---------------------------------------------------------</option>";
- }
- // adding the individual users to the select form
- if ($user_list) {
- 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 "<option value=\"USER:" . $this_user['user_id'] . "\" title='" . sprintf(get_lang('LoginX'), $this_user['username']) . "'>",
- "", api_get_person_name($this_user['firstname'], $this_user['lastname']),
- "</option>";
- }
- }
- }
- }
- echo "</select>";
- }
- /*
- CONSTRUCT_SELECTED_SELECT_FORM
- */
- /**
- * this function shows the form for sending a message to a specific group or user.
- */
- public static function construct_selected_select_form($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)) {
- $groupuser = self::separate_users_groups($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 = self::get_course_groups();
- $ref_array_users = self::get_course_users();
- // we construct the form of the already selected groups / users
- echo '<select id="selectedform" name="selectedform[]" size="7" multiple class="span4">';
- if (is_array($to_already_selected)) {
- foreach ($to_already_selected as $groupuser) {
- list($type, $id) = explode(":", $groupuser);
- if ($type == "GROUP") {
- echo "<option value=\"" . $groupuser . "\">G: " . $ref_array_groups[$id]['name'] . "</option>";
- } else {
- foreach ($ref_array_users as $key => $value) {
- if ($value['user_id'] == $id) {
- echo "<option value=\"" . $groupuser . "\" title='" . sprintf(get_lang('LoginX'), $value['username']) . "'>" . api_get_person_name($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 "<option value=\"GROUP:" . $this_group['id'] . "\">",
- "G: ", $this_group['name'], " – " . $this_group['userNb'] . " " . get_lang('Users') .
- "</option>";
- }
- }
- }
- // adding the individual users to the select form
- foreach ($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 "<option value=\"USER:", $this_user['user_id'], "\" title='" . sprintf(get_lang('LoginX'), $user['username']) . "'>",
- "", api_get_person_name($this_user['firstname'], $this_user['lastname']),
- "</option>";
- }
- }
- }
- }
- echo "</select>";
- }
- /*
- DATA FUNCTIONS
- */
- /**
- * Returns announcement info from its id
- *
- * @param type $course_id
- * @param type $annoucement_id
- * @return array
- */
- public static function get_by_id($course_id, $annoucement_id) {
- $annoucement_id = intval($annoucement_id);
- $course_id = $course_id ? intval($course_id) : api_get_course_int_id();
- $tbl_announcement = Database::get_course_table(TABLE_ANNOUNCEMENT);
- $tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
- $sql = "SELECT DISTINCT announcement.id, announcement.title, announcement.content
- FROM $tbl_announcement announcement INNER JOIN $tbl_item_property toolitemproperties
- ON announcement.id = toolitemproperties.ref AND
- announcement.c_id = $course_id AND
- toolitemproperties.c_id = $course_id
- WHERE toolitemproperties.tool='announcement' AND
- announcement.id = $annoucement_id";
- $result = Database::query($sql);
- if (Database::num_rows($result)) {
- return Database::fetch_array($result);
- }
- return array();
- }
- /**
- * this function gets all the users of the course,
- * including users from linked courses
- * @todo deprecate this function, use CourseManager class
- */
- public static function get_course_users() {
- //this would return only the users from real courses:
- $session_id = api_get_session_id();
- if ($session_id != 0) {
- $user_list = CourseManager::get_real_and_linked_user_list(api_get_course_id(), true, $session_id);
- } else {
- $user_list = CourseManager::get_real_and_linked_user_list(api_get_course_id(), false, 0);
- }
- return $user_list;
- }
- /**
- * this function gets all the groups of the course,
- * not including linked courses
- */
- public static function get_course_groups() {
- $session_id = api_get_session_id();
- if ($session_id != 0) {
- $new_group_list = CourseManager::get_group_list_of_course(api_get_course_id(), $session_id, 1);
- } else {
- $new_group_list = CourseManager::get_group_list_of_course(api_get_course_id(), 0, 1);
- }
- return $new_group_list;
- }
- /*
- *
- LOAD_EDIT_USERS
- */
- /**
- * This tools loads all the users and all the groups who have received
- * a specific item (in this case an announcement item)
- */
- public static function load_edit_users($tool, $id) {
- $tbl_item_property = Database::get_course_table(TABLE_ITEM_PROPERTY);
- $tool = Database::escape_string($tool);
- $id = Database::escape_string($id);
- $course_id = api_get_course_int_id();
- $sql = "SELECT * FROM $tbl_item_property WHERE c_id = $course_id AND tool='$tool' AND ref='$id'";
- $result = Database::query($sql);
- 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
- */
- public static 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
- */
- public static function to_javascript() {
- $www = api_get_path(WEB_PATH);
- /*
- * Do not allow this kind of behaviour. js minifieds should be manage by the template class or assetic or whatever see #4757 for more info
- if (api_get_setting('server_type') == 'test') {
- $src = $www . 'main/announcements/resources/js/main.js';
- } else {
- $src = $www . 'main/announcements/resources/js/main.min.js';
- }*/
- $src = $www . 'main/announcements/resources/js/main.js';
- $result = Javascript::tag($src);
- $root = Chamilo::url();
- $code = "var www = '$root';\n";
- $code .= Javascript::get_lang('FieldRequired', 'Send2All', 'AddAnAttachment', 'Everybody');
- $result .= Javascript::tag_code($code);
- return $result;
- }
- /*
- 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. $sent_to_array['users']) is also an array
- * containing all the id's of the groups (resp. users) who have received this message.
- * @author Patrick Cool <patrick.cool@>
- */
- public static function sent_to_form($sent_to_array) {
- // we find all the names of the groups
- $group_names = self::get_course_groups();
- // we count the number of users and the number of groups
- if (isset($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
- $output = array();
- if ($total_numbers > 1) {
- //$output.="<option>".get_lang("SentTo")."</option>";
- // outputting the name of the groups
- if (is_array($sent_to_array['groups'])) {
- foreach ($sent_to_array['groups'] as $group_id) {
- $output[] = $group_names[$group_id]['name'];
- }
- }
- 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[] = $user_info['complete_name_with_username'];
- }
- }
- }
- } else {
- // there is only one user/group
- if (isset($sent_to_array['users']) and is_array($sent_to_array['users'])) {
- $user_info = api_get_user_info($sent_to_array['users'][0]);
- $output[] = api_get_person_name($user_info['firstname'], $user_info['lastname']);
- }
- if (isset($sent_to_array['groups']) and is_array($sent_to_array['groups']) and isset($sent_to_array['groups'][0]) and $sent_to_array['groups'][0] !== 0) {
- $group_id = $sent_to_array['groups'][0];
- $output[] = " " . $group_names[$group_id]['name'];
- }
- if (empty($sent_to_array['groups']) and empty($sent_to_array['users'])) {
- $output[] = " " . get_lang('Everybody');
- }
- }
- if (!empty($output)) {
- $output = array_filter($output);
- if (count($output) > 0) {
- $output = implode(', ', $output);
- }
- return $output;
- }
- }
- /*
- SEPARATE_USERS_GROUPS
- */
- /**
- * This function separates the users from the groups
- * users have a value USER:XXX (with XXX the dokeos id
- * groups have a value GROUP:YYY (with YYY the group id)
- * @param array Array of strings that define the type and id of each destination
- * @return array Array of groups and users (each an array of IDs)
- */
- public static function separate_users_groups($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 $send_to;
- }
- /*
- SENT_TO()
- */
- /**
- * Returns all the users and all the groups a specific announcement item
- * has been sent to
- * @param string The tool (announcement, agenda, ...)
- * @param int ID of the element of the corresponding type
- * @return array Array of users and groups to whom the element has been sent
- */
- public static function sent_to($tool, $id) {
- global $_course;
- global $tbl_item_property;
- $tool = Database::escape_string($tool);
- $id = intval($id);
- $sent_to_group = array();
- $sent_to = array();
- $course_id = api_get_course_int_id();
- $sql = "SELECT to_group_id, to_user_id FROM $tbl_item_property WHERE c_id = $course_id AND tool = '$tool' AND ref=" . $id;
- $result = Database::query($sql);
- 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 $sent_to;
- }
- /* ATTACHMENT FUNCTIONS */
- /**
- * Show a list with all the attachments according to the post's id
- * @param int announcement id
- * @return array with the post info
- * @author Arthur Portugal
- * @version November 2009, dokeos 1.8.6.2
- */
- public static function get_attachment($announcement_id) {
- $tbl_announcement_attachment = Database::get_course_table(TABLE_ANNOUNCEMENT_ATTACHMENT);
- $announcement_id = intval($announcement_id);
- $course_id = api_get_course_int_id();
- $row = array();
- $sql = 'SELECT id, path, filename, comment FROM ' . $tbl_announcement_attachment . '
- WHERE c_id = ' . $course_id . ' AND announcement_id = ' . $announcement_id . '';
- $result = Database::query($sql);
- 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 $_FILES
- * @return int -1 if failed, 0 if unknown (should not happen), 1 if success
- */
- public static function add_announcement_attachment_file($announcement_id, $file_comment, $file) {
- global $_course;
- $tbl_announcement_attachment = Database::get_course_table(TABLE_ANNOUNCEMENT_ATTACHMENT);
- $return = 0;
- $announcement_id = intval($announcement_id);
- $course_id = api_get_course_int_id();
- if (is_array($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 ' . $tbl_announcement_attachment . ' (c_id, filename, comment, path, announcement_id, size) ' .
- "VALUES ($course_id, '$safe_file_name', '$file_comment', '$safe_new_file_name' , '$announcement_id', '" . intval($file['size']) . "' )";
- $result = Database::query($sql);
- $return = 1;
- }
- }
- return $return;
- }
- /**
- * This function edit a attachment file into announcement
- * @param int attach id
- * @param array uploaded file $_FILES
- * @param string file comment
- * @return int
- */
- public static function edit_announcement_attachment_file($id_attach, $file, $file_comment) {
- global $_course;
- $tbl_announcement_attachment = Database::get_course_table(TABLE_ANNOUNCEMENT_ATTACHMENT);
- $return = 0;
- $course_id = api_get_course_int_id();
- if (is_array($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);
- $id_attach = intval($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 c_id = $course_id AND id = '$id_attach'";
- $result = Database::query($sql);
- if ($result === false) {
- $return = -1;
- Display :: display_error_message(get_lang('UplUnableToSaveFile'));
- } else {
- $return = 1;
- }
- }
- }
- return $return;
- }
- /**
- * This function delete a attachment file by id
- * @param integer attachment file Id
- *
- */
- public static function delete_announcement_attachment_file($id) {
- $tbl_announcement_attachment = Database::get_course_table(TABLE_ANNOUNCEMENT_ATTACHMENT);
- $id = intval($id);
- $course_id = api_get_course_int_id();
- $sql = "DELETE FROM $tbl_announcement_attachment WHERE c_id = $course_id AND id = $id";
- $result = Database::query($sql);
- // update item_property
- //api_item_property_update($_course, 'announcement_attachment', $id,'AnnouncementAttachmentDeleted', api_get_user_id());
- }
- public static function send_email($annoucement_id) {
- $email = AnnouncementEmail::create(null, $annoucement_id);
- $email->send();
- }
- }
- //end class
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