librenms-librenms/html/includes/table/alerts.inc.php

<?php

$where = 1;

if (is_numeric($_POST['device_id']) && $_POST['device_id'] > 0) {
    $where .= ' AND `alerts`.`device_id`='.$_POST['device_id'];
}

if (isset($searchPhrase) && !empty($searchPhrase)) {
    $sql .= " AND (`timestamp` LIKE '%$searchPhrase%' OR `rule` LIKE '%$searchPhrase%' OR `name` LIKE '%$searchPhrase%' OR `hostname` LIKE '%$searchPhrase%')";
}

$sql = " FROM `alerts` LEFT JOIN `devices` ON `alerts`.`device_id`=`devices`.`device_id` RIGHT JOIN alert_rules ON alerts.rule_id=alert_rules.id WHERE $where AND `state` IN (1,2,3,4) $sql";

$count_sql = "SELECT COUNT(`alerts`.`id`) $sql";
$total = dbFetchCell($count_sql,$param);
if (empty($total)) {
    $total = 0;
}

if (!isset($sort) || empty($sort)) {
    $sort = 'timestamp DESC';
}

$sql .= " ORDER BY $sort";

if (isset($current)) {
    $limit_low = ($current * $rowCount) - ($rowCount);
    $limit_high = $rowCount;
}

if ($rowCount != -1) {
    $sql .= " LIMIT $limit_low,$limit_high";
}

$sql = "SELECT `alerts`.*, `devices`.`hostname` AS `hostname`,`alert_rules`.`rule` AS `rule`, `alert_rules`.`name` AS `name`, `alert_rules`.`severity` AS `severity` $sql";

$rulei = 0;
$format = $_POST['format'];
foreach (dbFetchRows($sql,$param) as $alert) {
    $log = dbFetchCell("SELECT details FROM alert_log WHERE rule_id = ? AND device_id = ? ORDER BY id DESC LIMIT 1", array($alert['rule_id'],$alert['device_id']));
    $fault_detail = alert_details($log);

    $ico = "ok";
    $col = "green";
    $extra = "";
    $msg = "";
    if ( (int) $alert['state'] === 0 ) {
        $ico = "ok";
        $col = "green";
        $extra = "success";
        $msg = "ok";
    } elseif ( (int) $alert['state'] === 1 || (int) $alert['state'] === 3 || (int) $alert['state'] === 4) {
        $ico = "volume-up";
        $col = "red";
        $extra = "danger";
        $msg = "alert";
        if ( (int) $alert['state'] === 3) {
            $msg = "worse";
        } elseif ( (int) $alert['state'] === 4) {
            $msg = "better";
        }
    } elseif ( (int) $alert['state'] === 2) {
        $ico = "volume-off";
        $col = "#800080";
        $extra = "warning";
        $msg = "muted";
    }
    $alert_checked = '';
    $orig_ico = $ico;
    $orig_col = $col;
    $orig_class = $extra;

    $severity = $alert['severity'];
    if ($alert['state'] == 3) {
        $severity .= " <strong>+</strong>";
    } elseif ($alert['state'] == 4) {
        $severity .= " <strong>-</strong>";
    }

    if ($_SESSION['userlevel'] >= '10') {
        $ack_ico = 'volume-up';
        $ack_col = 'success';
        if($alert['state'] == 2) {
            $ack_ico = 'volume-off';
            $ack_col = 'danger';
        }
    }

    $hostname = '
     <div class="incident">
       '.generate_device_link($alert).'
       <div id="incident'.($rulei+1).'" class="collapse">'.$fault_detail.'</div>
     </div>';

    $response[] = array('id'=>$rulei++,
                        'rule'=>"<i title=\"".htmlentities($alert['rule'])."\">".htmlentities($alert['name'])."</i>",
                        'details'=>'<a class="glyphicon glyphicon-plus incident-toggle" style="display:none" data-toggle="collapse" data-target="#incident'.($rulei).'" data-parent="#alerts"></a>',
                        'hostname'=>$hostname,
                        'timestamp'=>($alert['timestamp'] ? $alert['timestamp'] : "N/A"),
                        'severity'=>$severity,
                        'ack_col'=>$ack_col,
                        'state'=>$alert['state'],
                        'alert_id'=>$alert['id'],
                        'ack_ico'=>$ack_ico,
                        'extra'=>$extra,
                        'msg'=>$msg);

}

$output = array('current'=>$current,'rowCount'=>$rowCount,'rows'=>$response,'total'=>$total);
echo _json_encode($output);