public ISubtotalResult SelectVouchersGrouped(IVoucherGroupedQuery query) => m_Db.SelectVouchersGrouped(query);
/// <inheritdoc />
public IEnumerable <Balance> SelectVouchersGrouped(IVoucherGroupedQuery query)
{
if (query.Subtotal.GatherType != GatheringType.VoucherCount)
{
throw new InvalidOperationException("记账凭证分类汇总只能计数");
}
if (query.Subtotal.EquivalentDate.HasValue)
{
throw new InvalidOperationException("记账凭证分类汇总不能等值");
}
var level = query.Subtotal.Levels.Aggregate(SubtotalLevel.None, (total, l) => total | l);
if (query.Subtotal.AggrType != AggregationType.None)
{
level |= query.Subtotal.AggrInterval;
}
if (level.HasFlag(SubtotalLevel.User))
{
throw new InvalidOperationException("记账凭证不能按用户分类汇总");
}
if (level.HasFlag(SubtotalLevel.Currency))
{
throw new InvalidOperationException("记账凭证不能按币种分类汇总");
}
if (level.HasFlag(SubtotalLevel.Title))
{
throw new InvalidOperationException("记账凭证不能按一级科目分类汇总");
}
if (level.HasFlag(SubtotalLevel.SubTitle))
{
throw new InvalidOperationException("记账凭证不能按二级科目分类汇总");
}
if (level.HasFlag(SubtotalLevel.Content))
{
throw new InvalidOperationException("记账凭证不能按内容分类汇总");
}
if (level.HasFlag(SubtotalLevel.Remark))
{
throw new InvalidOperationException("记账凭证不能按备注分类汇总");
}
var preF = query.VoucherQuery.Accept(new MongoDbNativeVoucher());
BsonDocument pprj;
if (!level.HasFlag(SubtotalLevel.Day))
{
pprj = ProjectNothing;
}
else if (!level.HasFlag(SubtotalLevel.Week))
{
pprj = ProjectNothingButDate;
}
else if (level.HasFlag(SubtotalLevel.Year))
{
pprj = ProjectNothingButYear;
}
else if (level.HasFlag(SubtotalLevel.Month))
{
pprj = ProjectNothingButMonth;
}
else // if (level.HasFlag(SubtotalLevel.Week))
{
pprj = ProjectNothingButWeek;
}
var prj = new BsonDocument();
if (level.HasFlag(SubtotalLevel.Day))
{
prj["date"] = "$date";
}
var grp = new BsonDocument
{
["_id"] = prj,
["count"] = new BsonDocument {
["$sum"] = 1
}
};
var fluent = m_Vouchers.Aggregate().Match(preF).Project(pprj).Group(grp);
return(fluent.ToEnumerable().Select(b => BsonSerializer.Deserialize <Balance>(b)));
}