Modules\Doptor\CompanyInfo\Models\Company::isValid PHP Method

    public function isValid()
    {
        $entry = $this->toArray();
        $rules = ['name' => 'required', 'reg_no' => 'required', 'country_id' => 'not_in:0'];
        $messages = ['country_id.not_in' => 'Select a country'];
        $validation = Validator::make($entry, $rules, $messages);
        if ($validation->fails()) {
            throw new ValidationException($validation->messages());
        }
        return true;
    }