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moodle/message/user.php

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<?php // $Id$
require('../config.php');
require('lib.php');
require_login();
if (empty($CFG->messaging)) {
error("Messaging is disabled on this site");
}
/// Script parameters
$userid = required_param('id', PARAM_INT);
$frame = optional_param('frame', '', PARAM_ALPHA);
$message = optional_param('message', '', PARAM_CLEANHTML);
$format = optional_param('format', FORMAT_MOODLE, PARAM_INT);
$addcontact = optional_param('addcontact', 0, PARAM_INT); // adding a contact
$removecontact = optional_param('removecontact', 0, PARAM_INT); // removing a contact
$blockcontact = optional_param('blockcontact', 0, PARAM_INT); // blocking a contact
$unblockcontact = optional_param('unblockcontact', 0, PARAM_INT); // unblocking a contact
/// Check the user we are talking to is valid
if (! $user = get_record("user", "id", $userid)) {
error("User ID was incorrect");
}
/// Possibly change some contacts if requested
if ($addcontact and confirm_sesskey()) {
add_to_log(SITEID, 'message', 'add contact', 'history.php?user1='.$addcontact.'&amp;user2='.$USER->id, $addcontact);
message_add_contact($addcontact);
}
if ($removecontact and confirm_sesskey()) {
add_to_log(SITEID, 'message', 'remove contact', 'history.php?user1='.$removecontact.'&amp;user2='.$USER->id, $removecontact);
message_remove_contact($removecontact);
}
if ($blockcontact and confirm_sesskey()) {
add_to_log(SITEID, 'message', 'block contact', 'history.php?user1='.$blockcontact.'&amp;user2='.$USER->id, $blockcontact);
message_block_contact($blockcontact);
}
if ($unblockcontact and confirm_sesskey()) {
add_to_log(SITEID, 'message', 'unblock contact', 'history.php?user1='.$unblockcontact.'&amp;user2='.$USER->id, $unblockcontact);
message_unblock_contact($unblockcontact);
}
/// By default, print frameset to contain all the various panes
if (!$frame) {
$USER->message_user_refresh[$user->id] = time();
?>
<html>
<head><title><?php echo get_string('discussion', 'message').': '.fullname($user) ?></title></head>
<frameset rows="110,*,0,200" border="0" marginwidth="2" marginheight="1">
<frame src="user.php?id=<?php p($user->id)?>&amp;frame=info" name="info"
scrolling="no" marginwidth="0" marginheight="">
<frame src="user.php?id=<?php p($user->id)?>&amp;frame=messages" name="messages"
scrolling="yes" marginwidth="10" marginheight="10">
<frame src="user.php?id=<?php p($user->id)?>&amp;frame=refresh" name="refresh"
scrolling="no" marginwidth="0" marginheight="0">
<frame src="user.php?id=<?php p($user->id)?>&amp;frame=edit" name="edit"
scrolling="no" marginwidth="2" marginheight="2">
</frameset>
<noframes>Sorry, but support for Frames is required to use Messaging</noframes>
</html>
<?php
}
switch ($frame) { /// Put data into all the frames
case 'info': /// Print the top frame with information and links
print_header('','','','','',false,'','',false,'leftmargin="2" topmargin="2" marginwidth="2" marginheight="2"');
echo '<table width="100%" cellpadding="0" cellspacing="0"><tr>';
echo '<td width="100">';
echo print_user_picture($user->id, SITEID, $user->picture, true, true, true, 'userwindow').'</td>';
echo '<td valign="middle" align="center">';
echo fullname($user);
echo '<br /><font size="1">'; /// Print login status of this user
if ($user->lastaccess) {
if (time() - $user->lastaccess > $CFG->message_offline_time) {
echo get_string('offline', 'message').': '.format_time(time() - $user->lastaccess);
} else {
echo get_string('lastaccess').': '.get_string('ago', 'message', format_time(time() - $user->lastaccess));
}
} else {
echo get_string("lastaccess").":". get_string("never");
}
echo '</font>';
echo '<br />';
echo '<div class="users">';
if ($contact = get_record('message_contacts', 'userid', $USER->id, 'contactid', $user->id)) {
if ($contact->blocked) {
message_contact_link($user->id, 'add', false, 'user.php?id='.$user->id.'&amp;frame=info');
echo "&nbsp;";
message_contact_link($user->id, 'unblock', false, 'user.php?id='.$user->id.'&amp;frame=info');
echo "&nbsp;";
} else {
message_contact_link($user->id, 'remove', false, 'user.php?id='.$user->id.'&amp;frame=info');
echo "&nbsp;";
message_contact_link($user->id, 'block', false, 'user.php?id='.$user->id.'&amp;frame=info');
echo "&nbsp;";
}
} else {
message_contact_link($user->id, 'add', false, 'user.php?id='.$user->id.'&amp;frame=info');
echo "&nbsp;";
message_contact_link($user->id, 'block', false, 'user.php?id='.$user->id.'&amp;frame=info');
echo "&nbsp;";
}
message_history_link($user->id, 0, false, '', '', 'icon');
echo '</div>';
echo '</td></tr></table>';
echo '</table></table></body>'; // Close possible theme tables off
break;
case 'messages': /// Print the main frame containing the current chat
echo '<html>';
echo '<body>';
break;
case 'refresh': /// Print the main frame containing the current chat
$stylesheetshtml = '';
foreach ($CFG->stylesheets as $stylesheet) {
$stylesheetshtml .= '<link rel="stylesheet" type="text/css" href="'.$stylesheet.'" />';
}
header("Expires: Sun, 28 Dec 1997 09:32:45 GMT");
header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
header("Content-Type: text/html");
header("Refresh: $CFG->message_chat_refresh; url=user.php?id=$user->id&frame=refresh");
echo '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">'."\n";
echo '<html><head><title> </title>';
echo '<script type="text/javascript">'."\n";
echo '<!--'."\n";
echo 'if (parent.messages.document.getElementById("messagestarted") == null) {'."\n";
echo ' parent.messages.document.close();'."\n";
echo ' parent.messages.document.open("text/html","replace");'."\n";
echo ' parent.messages.document.write("<html><head><title> <\/title>");'."\n";
echo ' parent.messages.document.write("<meta http-equiv=\"content-type\" content=\"text/html; charset='.get_string('thischarset').'\" />");'."\n";
echo ' parent.messages.document.write("<base target=\"_blank\" />");'."\n";
echo ' parent.messages.document.write("'.addslashes($stylesheetshtml).'");'."\n";
echo ' parent.messages.document.write("<\/head><body class=\"message course-1\" id=\"message-user\"><div style=\"display: none\" id=\"messagestarted\">&nbsp;<\/div>");'."\n";
echo '}'."\n";
if ($messages = get_records_select('message', "useridto = '$USER->id' AND useridfrom = '$user->id'",
'timecreated')) {
foreach ($messages as $message) {
$time = userdate($message->timecreated, get_string('strftimedaytime'));
$options = NULL;
$options->para = false;
$options->newlines = true;
$printmessage = format_text($message->message, $message->format, $options, 0);
$printmessage = str_replace("\r", ' ', $printmessage);
$printmessage = str_replace("\n", ' ', $printmessage);
$printmessage = '<div class="message"><span class="author">'.fullname($user).'</span> '.
'<span class="time">['.$time.']</span>: '.
'<span class="content">'.$printmessage.'</span></div>';
$printmessage = addslashes($printmessage); // So Javascript can write it
$printmessage = str_replace('</', '<\/', $printmessage); // XHTML compliance
echo "parent.messages.document.write('".$printmessage."');\n";
/// Move the entry to the other table
$message->timeread = time();
$message->message = addslashes($message->message);
$messageid = $message->id;
unset($message->id);
if (insert_record('message_read', $message)) {
delete_records('message', 'id', $messageid);
}
}
if (get_user_preferences('message_beepnewmessage', 0)) {
$playbeep = true;
}
echo 'parent.messages.scroll(1,5000000);'."\n";
echo 'parent.focus();'."\n";
}
// Update the info pane, but only if the data there is getting too old
$timenow = time();
if ($timenow - $user->lastaccess > $CFG->message_offline_time) { // Offline
if ($timenow - $USER->message_user_refresh[$user->id] < 30) { // It's just happened so refresh
$USER->message_user_refresh[$user->id] = $timenow - 30; // Prevent it happening again
$refreshinfo = true;
}
} else { // Online
if ($timenow - $USER->message_user_refresh[$user->id] > 30) { // Been a while
$USER->message_user_refresh[$user->id] = $timenow; // Prevent it happening again
$refreshinfo = true;
}
}
if (!empty($refreshinfo)) {
echo "parent.info.document.location.replace('$CFG->wwwroot/message/user.php?id=$user->id&frame=info');\n";
}
echo '-->'."\n";
echo '</script>'."\n";
echo '</head>'."\n";
echo '<body>'."\n";
if (!empty($playbeep)) {
echo '<embed src="bell.wav" autostart="true" hidden="true" name="bell" />';
}
sleep($CFG->message_chat_refresh);
// Javascript for Mozilla to cope with the redirect bug from editor being on in this page
echo '<script type="text/javascript">'."\n";
echo '<!--'."\n";
echo "document.location.replace('$CFG->wwwroot/message/user.php?id=$user->id&frame=refresh');\n";
echo '-->'."\n";
echo '</script>'."\n";
echo '</body>'."\n";
echo '</html>'."\n";
break;
case 'edit': /// Print the bottom frame with the text editor
/// Check that the user is not blocking us!!
if ($contact = get_record('message_contacts', 'userid', $user->id, 'contactid', $USER->id)) {
if ($contact->blocked and !isadmin()) {
print_heading(get_string('userisblockingyou', 'message'));
exit;
}
}
if ($message and confirm_sesskey()) { /// Current user has just sent a message
/// Save it to the database...
$messageid = message_post_message($USER, $user, addslashes($message), $format, 'direct');
/// Format the message as HTML
$options = NULL;
$options->para = false;
$options->newlines = true;
$message = format_text($message, $format, $options, 0);
$message = str_replace("\r", ' ', $message);
$message = str_replace("\n", ' ', $message);
$time = userdate(time(), get_string('strftimedaytime'));
$message = '<div class="message"><span class="author">'.fullname($USER).'</span> '.
'<span class="time">['.$time.']</span>: '.
'<span class="content">'.$message.'</span></div>';
$message = addslashes($message); // So Javascript can write it
$message = str_replace('</', '<\/', $message); // XHTML compliance
/// Then write it to our own screen immediately
$script = "<script>\n";
$script .= "parent.messages.document.write('".$message."\\n');\n";
$script .= "parent.messages.scroll(1,5000000);\n";
$script .= "</script>\n\n";
$date = usergetdate($message->timecreated);
$datestring = $date['year'].$date['mon'].$date['mday'];
add_to_log(SITEID, 'message', 'write', 'history.php?user1='.$user->id.'&amp;user2='.$USER->id.'#m'.$messageid, $user->id);
} else {
$script = '';
}
print_header('','','','',$script,false,'','',false,'');
echo '<body><center>';
echo '<form name="editing" method="post" action="user.php">';
echo '<input type="hidden" name="id" value="'.$user->id.'" />';
echo '<input type="hidden" name="frame" value="edit" />';
echo '<input type="hidden" name="sesskey" value="'.$USER->sesskey.'" />';
$usehtmleditor = (can_use_html_editor() && get_user_preferences('message_usehtmleditor', 0));
if ($usehtmleditor) {
echo '<table align="center"><tr><td align="center">';
print_textarea($usehtmleditor, 8, 34, 0, 0, 'message', '');
echo '</td></tr></table>';
use_html_editor('message', 'formatblock subscript superscript copy cut paste clean undo redo justifyleft justifycenter justifyright justifyfull lefttoright righttoleft insertorderedlist insertunorderedlist outdent indent forecolor hilitecolor inserthorizontalrule createanchor nolink inserttable');
echo '<input type="hidden" name="format" value="'.FORMAT_HTML.'" />';
} else {
print_textarea(false, 5, 34, 0, 0, 'message', '');
echo '<input type="hidden" name="format" value="'.FORMAT_MOODLE.'" />';
}
echo '<br /><input type="submit" value="'.get_string('sendmessage', 'message').'" />';
echo '</form>';
echo '</center>';
break;
}
?>
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