'.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, $USER); if (isset($formatmessage->html)) { echo $formatmessage->html; } } if (has_capability('mod/chat:exportsession', $context) || (array_key_exists($USER->id, $sessionusers) && has_capability('mod/chat:exportparticipatedsession', $context))) { require_once($CFG->libdir . '/portfoliolib.php'); $buttonoptions = array( 'id' => $cm->id, 'start' => $start, 'end' => $end, ); $button = new portfolio_add_button(); $button->set_callback_options('chat_portfolio_caller', $buttonoptions, '/mod/chat/lib.php'); $button->render(); } print_simple_box_end(); } if (!$deletesession or !has_capability('mod/chat:deletelog', $context)) { print_continue("report.php?id=$cm->id"); } echo $OUTPUT->footer(); exit; } /// Print the Sessions display $navigation = build_navigation($strchatreport, $cm); print_header_simple(format_string($chat->name).": $strchatreport", '', $navigation, '', '', true, '', navmenu($course, $cm)); echo $OUTPUT->heading(format_string($chat->name).': '.get_string('sessions', 'chat')); /// Check to see if groups are being used here if ($groupmode = groups_get_activity_groupmode($cm)) { // Groups are being used $currentgroup = groups_get_activity_group($cm, true); groups_print_activity_menu($cm, "report.php?id=$cm->id"); } else { $currentgroup = false; } $params = array('currentgroup'=>$currentgroup, 'chatid'=>$chat->id, 'start'=>$start, 'end'=>$end); // If the user is allocated to a group, only show discussions with people in // the same group, or no group if (!empty($currentgroup)) { $groupselect = " AND (groupid = :currentgroup OR groupid = 0)"; } else { $groupselect = ""; } /// Delete a session if one has been specified if ($deletesession and has_capability('mod/chat:deletelog', $context) and $confirmdelete and $start and $end and confirm_sesskey()) { $DB->delete_records_select('chat_messages', "chatid = :chatid AND timestamp >= :start AND timestamp <= :end $groupselect", $params); $strdeleted = get_string('deleted'); notify("$strdeleted: ".userdate($start).' --> '. userdate($end)); unset($deletesession); } /// Get the messages if (empty($messages)) { /// May have already got them above if (!$messages = $DB->get_records_select('chat_messages', "chatid = :chatid $groupselect", $params, "timestamp DESC")) { echo $OUTPUT->heading(get_string('nomessages', 'chat')); echo $OUTPUT->footer(); 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 = $DB->get_record('user', array('id'=>$sessionuser))) { print_user_picture($user, $course->id, $user->picture); echo ' '.fullname($user, true); // XXX TODO use capability instead of true echo " ($usermessagecount)';
echo "id&start=$sessionstart&end=$sessionend\">$strseesession";
if (has_capability('mod/chat:exportsession', $context)
|| (array_key_exists($USER->id, $sessionusers)
&& has_capability('mod/chat:exportparticipatedsession', $context))) {
require_once($CFG->libdir . '/portfoliolib.php');
$buttonoptions = array(
'id' => $cm->id,
'start' => $sessionstart,
'end' => $sessionend,
);
$button = new portfolio_add_button();
$button->set_callback_options('chat_portfolio_caller', $buttonoptions, '/mod/chat/lib.php');
$button->render(PORTFOLIO_ADD_TEXT_LINK);
}
if (has_capability('mod/chat:deletelog', $context)) {
echo "
id&start=$sessionstart&end=$sessionend&deletesession=1\">$strdeletesession";
}
echo '