public function create()
    {
        $autoIncrementField = $this->getAutoIncrementField();
        if ($autoIncrementField && $this->$autoIncrementField === null) {
            $this->$autoIncrementField = $this->getNextAutoIncrementId();
        }

        $fields = $this->getFields();
        foreach ($this->getAutoFilledData(self::OP_CREATE) as $field => $value) {
            /** @noinspection NotOptimalIfConditionsInspection */
            if (!in_array($field, $fields, true) || $this->$field !== null) {
                continue;
            }
            $this->$field = $value;
        }

        $this->validate($fields);

        $this->eventsManager->fireEvent('model:beforeSave', $this);
        $this->eventsManager->fireEvent('model:beforeCreate', $this);

        $fieldValues = [];
        $defaultValueFields = [];
        foreach ($fields as $field) {
            if ($this->$field !== null) {
                $fieldValues[$field] = $this->$field;
            } elseif ($field !== $autoIncrementField) {
                $defaultValueFields[] = $field;
            }
        }

        foreach ($this->getJsonFields() as $field) {
            if (is_array($this->$field)) {
                $fieldValues[$field] = json_encode($this->$field, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
            }
        }

        /**
         * @var \ManaPHP\DbInterface $connection
         */
        $connection = $this->_di->getShared($this->getDb($this));

        if ($autoIncrementField && $this->$autoIncrementField === null) {
            $this->$autoIncrementField = (int)$connection->insert($this->getSource($this), $fieldValues, true);
        } else {
            $connection->insert($this->getSource($this), $fieldValues);
        }

        if ($defaultValueFields) {
            if ($r = static::query(null, $this)->select($defaultValueFields)->where($this->_getPrimaryKeyValuePairs())->fetch(true)) {
                foreach ($r[0] as $field => $value) {
                    $this->$field = $value;
                }
            }
        }

        $this->_snapshot = $this->toArray();

        $this->eventsManager->fireEvent('model:afterCreate', $this);
        $this->eventsManager->fireEvent('model:afterSave', $this);

        return $this;
    }