opensupports/server/models/Stat.php

<?php
class Stat extends DataStore {
    const TABLE = 'stat';

    public static function getProps() {
        return array (
            'date',
            'type',
            'general',
            'value'
        );
    }

    public function getDefaultProps() {
        return array();
    }
    public function toArray() {
        return [
            'date' => $this->date,
            'type' => $this->type,
            'general' => $this->general,
            'value' => $this->value
        ];
    }
}