'.userdate($start).' --> '. userdate($end).'
'; print_simple_box_start('center'); foreach ($messages as $message) { // We are walking FORWARDS through messages $formatmessage = chat_format_message($message, $course->id, $USER); echo $formatmessage->html; } print_simple_box_end('center'); } if (!$deletesession or !$isteacheredit) { print_continue("report.php?id=$cm->id"); } print_footer($course); exit; } /// Print the Sessions display print_header_simple(format_string($chat->name).": $strchatreport", '', "id\">$strchats -> id\">".format_string($chat->name,true)." -> $strchatreport", '', '', true, '', navmenu($course, $cm)); print_heading(format_string($chat->name).': '.get_string('sessions', 'chat')); /// Check to see if groups are being used here if ($groupmode = groupmode($course, $cm)) { // Groups are being used $currentgroup = setup_and_print_groups($course, $groupmode, "report.php?id=$cm->id"); } else { $currentgroup = false; } if (!empty($currentgroup)) { $groupselect = " AND groupid = '$currentgroup'"; } else { $groupselect = ""; } /// Delete a session if one has been specified if ($deletesession and $isteacheredit and $confirmdelete and $start and $end and confirm_sesskey()) { delete_records_select('chat_messages', "chatid = $chat->id AND timestamp >= '$start' AND timestamp <= '$end' $groupselect"); $strdeleted = get_string('deleted'); notify("$strdeleted: ".userdate($start).' --> '. userdate($end)); unset($deletesession); } /// Get the messages if (empty($messages)) { /// May have already got them above if (!$messages = get_records_select('chat_messages', "chatid = '$chat->id' $groupselect", "timestamp DESC")) { print_heading(get_string('nomessages', 'chat')); print_footer($course); exit; } } /// Show all the sessions $sessiongap = 5 * 60; // 5 minutes silence means a new session $sessionend = 0; $sessionstart = 0; $sessionusers = array(); $lasttime = 0; $messagesleft = count($messages); foreach ($messages as $message) { // We are walking BACKWARDS through the messages $messagesleft --; // Countdown if (!$lasttime) { $lasttime = $message->timestamp; } if (!$sessionend) { $sessionend = $message->timestamp; } if ((($lasttime - $message->timestamp) < $sessiongap) and $messagesleft) { // Same session if ($message->userid and !$message->system) { // Remember user and count messages if (empty($sessionusers[$message->userid])) { $sessionusers[$message->userid] = 1; } else { $sessionusers[$message->userid] ++; } } } else { $sessionstart = $lasttime; if ($sessionend - $sessionstart > 60 and count($sessionusers) > 1) { echo ''.userdate($sessionstart).' --> '. userdate($sessionend).'
'; print_simple_box_start('center'); arsort($sessionusers); foreach ($sessionusers as $sessionuser => $usermessagecount) { if ($user = get_record('user', 'id', $sessionuser)) { print_user_picture($user->id, $course->id, $user->picture); echo ' '.fullname($user, $isteacher); echo " ($usermessagecount)';
echo "id&start=$sessionstart&end=$sessionend\">$strseesession";
if ($isteacheredit) {
echo "
id&start=$sessionstart&end=$sessionend&deletesession=1\">$strdeletesession";
}
echo '