/// <summary>
/// 区域校验时是否忽略34两位行政区划编码
/// </summary>
/// <param name="kind"></param>
/// <returns></returns>
protected override bool AreaValidSkip34(VATKind kind)
{
if (kind == VATKind.Electronic)
{//电子发票行政区划可能会具体到市级，吉林、安徽、山东、湖北 都发现具体到市级行政编号的情况，所以电子发票支持只查前2位行政区划
return(true);
}
return(base.AreaValidSkip34(kind));
}
/// <summary>
/// 生成增值税发票代码
/// </summary>
/// <param name="areaNumber"></param>
/// <param name="year"></param>
/// <param name="batch"></param>
/// <param name="kind"></param>
/// <returns></returns>
protected override string GenerateVATCode(string areaNumber, string year, ushort batch, VATKind kind)
{
var query = _kindDic.Where(kv => kv.Value == kind);
if (!query.Any())
{
throw new NotSupportedException(ErrorMessage.GenerateWrongKind);
}
var rdKind = query.OrderBy(g => Guid.NewGuid()).First().Key;
return(string.Format("0{0}{1}{2}{3}", areaNumber, year, (batch % 1000).ToString().PadLeft(3, '0'), rdKind));
}
/// <summary> /// 按输入生成发票代码 /// </summary> /// <param name="areaNumber"></param> /// <param name="year"></param> /// <param name="batch"></param> /// <param name="kind"></param> /// <returns></returns> protected abstract string GenerateVATCode(string areaNumber, string year, ushort batch, VATKind kind);
/// <summary>
/// 按输入生成发票代码
/// </summary>
/// <param name="areaNumber">行政区划代码</param>
/// <param name="year">发票年份</param>
/// <param name="batch">批次</param>
/// <param name="kind">发票类型</param>
/// <returns></returns>
public virtual string GenerateVATCode(int areaNumber, ushort year, ushort batch, VATKind kind)
{
if (areaNumber < 10 || areaNumber > 9999)
{
throw new ArgumentException("argument error");
}
return(this.GenerateVATCode(areaNumber.ToString().PadRight(4, '0'), (year % 100).ToString().PadLeft(2, '0'), batch, kind));
}
/// <summary>
/// 生成增值税发票代码
/// </summary>
/// <param name="areaNumber"></param>
/// <param name="year"></param>
/// <param name="batch"></param>
/// <param name="kind"></param>
/// <returns></returns>
protected override string GenerateVATCode(string areaNumber, string year, ushort batch, VATKind kind)
{
var query = _kindDic.Where(kv => kv.Value == kind);
if (!query.Any())
{
throw new NotSupportedException(ErrorMessage.GenerateWrongKind);
}
var rdKind = query.First().Key;
return(string.Format("{0}{1}{2}{3}{4}0", areaNumber, year, (batch % 10).ToString(), rdKind, _duplicateDic[kind]));
}
/// <summary>
/// 区域校验时是否忽略34两位行政区划编码
/// </summary>
protected virtual bool AreaValidSkip34(VATKind kind)
{
return(false);
}
/// <summary>
/// 生成增值税发票代码（注意不支持生成区块链发票）
/// </summary>
/// <param name="areaNumber"></param>
/// <param name="year"></param>
/// <param name="batch"></param>
/// <param name="kind"></param>
/// <param name="electKind">如果发票种类为电子发票时，要生成的电子发票细分类型</param>
/// <returns></returns>
protected override string GenerateVATCode(string areaNumber, string year, ushort batch, VATKind kind, ElectronicVATKind?electKind)
{
if (electKind.HasValue && kind != VATKind.Electronic)
{
throw new ArgumentException($"{nameof(kind)} must be 'Electronic' while {nameof(electKind)} exist");
}
var query = _kindDic.Where(kv => kv.Value == kind);
if (!query.Any())
{
throw new NotSupportedException(ErrorMessage.GenerateWrongKind);
}
var rdKind = query.OrderBy(g => Guid.NewGuid()).First().Key;
if (electKind.HasValue)
{
rdKind = Convert.ToInt32(electKind).ToString();
}
return(string.Format("0{0}{1}{2}{3}", areaNumber, year, (batch % 1000).ToString().PadLeft(3, '0'), rdKind));
}
