function get_read_by($message_ID)
{
global $read_status_list, $leave_status_list, $Blog, $current_User, $perm_abuse_management;
$UserCache =& get_UserCache();
if (empty($Blog)) {
// Set avatar size for a case when blog is not defined
$avatar_size = 'crop-top-32x32';
} else {
// Get avatar size from blog settings
$avatar_size = $Blog->get_setting('image_size_messaging');
}
$read_recipients = array();
$unread_recipients = array();
foreach ($read_status_list as $user_ID => $first_unread_msg_ID) {
if ($user_ID == $current_User->ID) {
// Current user status: current user should not be displayed except in case of abuse management
if ($perm_abuse_management) {
// current user has seen all received messages for sure, set first unread msg to NULL
$first_unread_msg_ID = NULL;
} else {
// not abuse management
continue;
}
}
$recipient_User = $UserCache->get_by_ID($user_ID, false);
if (!$recipient_User) {
// user not exists
continue;
}
$leave_msg_ID = $leave_status_list[$user_ID];
if (!empty($leave_msg_ID) && $leave_msg_ID < $message_ID) {
// user has left the conversation and didn't receive this message
$left_recipients[] = $recipient_User->login;
} elseif (empty($first_unread_msg_ID) || $first_unread_msg_ID > $message_ID) {
// user has read all message from this thread or at least this message
// user didn't leave the conversation before this message
$read_recipients[] = $recipient_User->login;
} else {
// User didn't read this message, but didn't leave the conversation either
$unread_recipients[] = $recipient_User->login;
}
}
$read_by = '';
if (!empty($read_recipients)) {
// There are users who have read this message
asort($read_recipients);
$read_by .= '<div>' . get_avatar_imgtags($read_recipients, true, false, $avatar_size, '', '', true, false);
if (!empty($unread_recipients)) {
$read_by .= '<br />';
}
$read_by .= '</div>';
}
if (!empty($unread_recipients)) {
// There are users who didn't read this message
asort($unread_recipients);
$read_by .= '<div>' . get_avatar_imgtags($unread_recipients, true, false, $avatar_size, '', '', false, false) . '</div>';
}
if (!empty($left_recipients)) {
// There are users who left the conversation before this message
asort($left_recipients);
$read_by .= '<div>' . get_avatar_imgtags($left_recipients, true, false, $avatar_size, '', '', 'left_message', false) . '</div>';
}
return $read_by;
}
/**
* Read? column
*
* @param integer Thread ID
* @return string Status icons
*/
function col_thread_read_by($thread_ID)
{
global $DB;
// Select read/unread users for this thread
$recipients_SQL = get_threads_recipients_sql($thread_ID);
$read_by = '';
if ($row = $DB->get_row($recipients_SQL->get())) {
if (!empty($row->thr_read)) {
$read_by .= get_avatar_imgtags($row->thr_read, false, false, 'crop-top-15x15', '', '', true, false);
}
if (!empty($row->thr_unread)) {
if (!empty($read_by)) {
$read_by .= '<br />';
}
$read_by .= get_avatar_imgtags($row->thr_unread, false, false, 'crop-top-15x15', '', '', false, false);
}
if (!empty($row->thr_left)) {
if (!empty($read_by)) {
$read_by .= '<br />';
}
$read_by .= get_avatar_imgtags($row->thr_left, false, false, 'crop-top-15x15', '', '', 'left', false);
}
}
return $read_by;
}
}
}
global $Messages;
$Messages->clear();
if (empty($available_recipients)) {
// There are no other existing and not closed users who are still part of this conversation
$Messages->add(T_('You cannot reply because this conversation was closed.'), 'warning');
$Messages->display();
} elseif (!empty($leave_msg_ID)) {
// Current user has already left this conversation
$Messages->add(T_('You cannot reply because you have already left this conversation.'), 'warning');
$Messages->display();
} else {
// Current user is still part of this conversation, should be able to reply
echo $params['messages_list_form_start'];
$form_title = sprintf(T_('Reply to: %s'), get_avatar_imgtags($available_recipients, true, true, 'crop-top-15x15', 'avatar_before_login mb1'));
if (is_admin_page()) {
$form_title .= get_manual_link('messages-reply-to-thread');
}
if (!is_admin_page()) {
echo $params['messages_list_title_start'] . $form_title . $params['messages_list_title_end'];
}
echo $params['messages_list_body_start'];
$Form = new Form($params['form_action'], $params['form_name'], 'post', $params['form_layout']);
if (!is_admin_page()) {
// Add hidden blog ID to correctly redirect after message posting:
$Form->hidden('blog', $Blog->ID);
}
$Form->switch_template_parts($params['skin_form_params']);
$Form->begin_form($params['form_class_msg'], is_admin_page() ? $form_title : '');
$Form->add_crumb('messaging_messages');
