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<?php

if (!defined('ABSPATH')) exit;
if (!class_exists('BVWatchCallback')) :

class BVWatchCallback extends BVCallbackBase {
    public $db;
    public $settings;

    public function __construct($callback_handler) {
        $this->db = $callback_handler->db;
        $this->settings = $callback_handler->settings;
    }

    public function getData($table, $limit = 0, $filter = "") {
        $result = array();
        $data = array();
        $rows = $this->db->getTableContent($table, '*', $filter, $limit);
        $last_id = 0;
        foreach ($rows as $row) {
            $result[] = $row;
            $last_id = $row['id'];
        }
        $data['last_id'] = $last_id;
        $data['rows'] = $result;
        return $data;
    }

    public function deleteBvDynamicEvents($filter = "") {
        $name = BVWPDynSync::$dynsync_table;
        return $this->db->deleteBVTableContent($name, $filter);
    }

    public function setWatchTime() {
        return $this->settings->updateOption('bvwatchtime', time());
    }

    public function getFWPrependLog($params) {
        $result = array();
        $fname = $params['fname'];
        $limit = intval($params['limit']);

        if (file_exists($fname)) {

            $result['exists'] = true;
            $tmpfname = $fname."tmp";

            if (!@rename($fname, $tmpfname)) {

                $result = array('status' => 'Error', 'message' => 'UNABLE_TO_RENAME_LOGFILE');

            } else {

                if (file_exists($tmpfname)) {

                    $fsize = filesize($tmpfname);
                    $result["size"] = $fsize;

                    if ($fsize <= $limit) {

                        $result['content'] = file_get_contents($tmpfname);

                    } else {
                        $handle = fopen($tmpfname, "rb");
                        $result['content'] = fread($handle, $limit);
                        $result['incomplete'] = true;
                        fclose($handle);
                    }

                    $result['tmpfile'] = unlink($tmpfname);
                } else {
                    $result['tmpfile'] = 'DOES_NOT_EXISTS';
                }

            }
        }

        return $result;
    }

    public function process($request) {
        $db = $this->db;
        $settings = $this->settings;
        $this->setWatchTime();
        $params = $request->params;

        switch ($request->method) {
        case "getdata":
            $resp = array();

            if (array_key_exists('lp', $params)) {
                require_once dirname( __FILE__ ) . '/../../protect/wp/lp/config.php';
                $lp_params = $params['lp'];
                $limit = intval(urldecode($lp_params['limit']));
                $filter = urldecode($lp_params['filter']);
                $db->deleteBVTableContent(BVWPLPConfig::$requests_table, $lp_params['rmfilter']);
                $table = $db->getBVTable(BVWPLPConfig::$requests_table);
                $resp["lplogs"] = $this->getData($table, $limit, $filter);
            }

            if (array_key_exists('prelog', $params)) {
                $prelog_params = $params['prelog'];
                $resp["prelog"] = $this->getFWPrependLog($prelog_params);
            }

            if (array_key_exists('fw', $params)) {
                require_once dirname( __FILE__ ) . '/../../protect/fw/config.php';
                $fw_params = $params['fw'];
                $limit = intval(urldecode($fw_params['limit']));
                $filter = urldecode($fw_params['filter']);
                $db->deleteBVTableContent(BVFWConfig::$requests_table, $fw_params['rmfilter']);
                $table = $db->getBVTable(BVFWConfig::$requests_table);
                $resp["fwlogs"] = $this->getData($table, $limit, $filter);
            }

            if (array_key_exists('dynevent', $params)) {
                require_once dirname( __FILE__ ) . '/../../wp_dynsync.php';
                $isdynsyncactive = $settings->getOption('bvDynSyncActive');
                if ($isdynsyncactive == 'yes') {
                    $limit = intval(urldecode($params['limit']));
                    $filter = urldecode($params['filter']);
                    $this->deleteBvDynamicEvents($params['rmfilter']);
                    $table = $db->getBVTable(BVWPDynSync::$dynsync_table);
                    $data = $this->getData($table, $limit, $filter);
                    $resp['last_id'] = $data['last_id'];
                    $resp['events'] = $data['rows'];
                    $resp['timestamp'] = time();
                    $resp["status"] = true;
                }
            }

            if (array_key_exists('actlog', $params)) {
                require_once dirname( __FILE__ ) . '/../../wp_actlog.php';
                $actlog_params = $params['actlog'];
                $limit = intval(urldecode($actlog_params['limit']));
                $filter = urldecode($actlog_params['filter']);
                $db->deleteBVTableContent(BVWPActLog::$actlog_table, $actlog_params['rmfilter']);
                $table = $db->getBVTable(BVWPActLog::$actlog_table);
                $resp["actlogs"] = $this->getData($table, $limit, $filter);
            }

            $resp["status"] = "done";
            break;
        case "rmdata":
            require_once dirname( __FILE__ ) . '/../../wp_dynsync.php';
            $filter = urldecode($params['filter']);
            $resp = array("status" => $this->deleteBvDynamicEvents($filter));
            break;
        default:
            $resp = false;
        }
        return $resp;
    }
}
endif;