299 lines
12 KiB
C#
299 lines
12 KiB
C#
using YLErp.BLL;
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namespace YLErp.Modules.ClientModule
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{
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/// <summary>
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/// 客户授信保存服务
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/// </summary>
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public class CreditTableService : YLBaseService
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{
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public CreditTableService(OptUserInfo userInfo) : base(userInfo)
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{
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}
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/// <summary>
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/// 保存子公司给予客户的授信额度
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/// </summary>
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public CreditTable SaveCredit(CreditTable req)
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{
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if (req.CreditDeadLine < req.CreditStartDate)
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{
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throw new ServiceException("授信起始日不能早于授信到期日");
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}
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//原始授信值 × 最大授信可用比例(NULL按1) 折算出最终授信值；
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//OriginalCredit 为空时不触碰 Credit，维持手工授信值（存量兼容）
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if (req.OriginalCredit.HasValue)
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{
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req.Credit = req.OriginalCredit.Value * (req.MaxCreditUseRatio ?? 1);
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}
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if (req.Credit > req.AuditCredit)
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{
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throw new ServiceException("授信额度不能大于审批额度");
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}
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if (req.StockEqvNotional > req.AuditStockEqvNotional)
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{
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throw new ServiceException("名义本金规模不能大于名义本金审批规模");
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}
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GetAvailableCreditQuota(req);
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CreditTable dbModel;
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var isAddNew = req.id == 0;
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var updateComments = false;
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DateTime? createDate = DateTime.Now;
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int? creatorId = UserInfo.UserId;
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var creatorName = UserInfo.UserName;
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if (isAddNew)
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{
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dbModel = new CreditTable()
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{
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OptId = UserInfo.UserId,
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OptName = UserInfo.UserName,
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OptDate = DateTime.Now
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};
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DbContext.credit.Add(dbModel);
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}
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else
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{
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dbModel = DbContext.credit.Find(req.id);
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if (dbModel == null)
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{
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throw new ServiceException("数据已不存在");
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}
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updateComments = dbModel.Credit == req.Credit
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&& dbModel.OriginalCredit == req.OriginalCredit
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&& dbModel.MaxCreditUseRatio == req.MaxCreditUseRatio
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&& dbModel.PFECredit == req.PFECredit
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&& dbModel.IMCredit == req.IMCredit
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&& dbModel.AuditCredit == req.AuditCredit
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&& dbModel.MarginLimit == req.MarginLimit
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&& dbModel.StockEqvNotional == req.StockEqvNotional
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&& dbModel.AuditStockEqvNotional == req.AuditStockEqvNotional
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&& dbModel.DeductStockEqvNotional == req.DeductStockEqvNotional
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&& dbModel.CreditDeadLine == req.CreditDeadLine
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&& dbModel.CreditStartDate == req.CreditStartDate
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&& (dbModel.VarietyId ?? "") == (req.VarietyId ?? "")
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&& dbModel.Type == req.Type
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&& (dbModel.RoleId ?? -1) == (req.RoleId ?? -1)
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&& dbModel.IsAll == (req.IsAll ?? false)
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&& dbModel.IsVariety == (req.IsVariety ?? false)
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&& dbModel.IsWhitelist == req.IsWhitelist;
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createDate = dbModel.CreateDate;
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creatorId= dbModel.CreatorId;
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creatorName= dbModel.CreatorName;
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}
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if (updateComments)
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{
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dbModel.Comments = req.Comments;
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DbContext.SaveChanges();
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return dbModel;
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}
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UpdateChanges(dbModel, req);
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dbModel.CreatorName = creatorName;
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dbModel.CreatorId = creatorId;
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dbModel.CreateDate = createDate;
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if (dbModel.Type == CreditTable.ClientType)
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{
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//设置客户编号
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var client = ClientDataQueryService.GetClient(dbModel.ClientId ?? 0, true);
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dbModel.ClientNumber = client.Number;
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dbModel.ClientName = client.Name;
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var query = from credit in DbContext.credit
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where credit.ClientId == dbModel.ClientId && credit.id != req.id
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&& (credit.CreditDeadLine == null ||
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!(req.CreditStartDate > credit.CreditDeadLine || req.CreditDeadLine < credit.CreditStartDate))
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select credit;
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if (query.ToList().Any())
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{
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throw new ServiceException("同一客户授信有效时间不能重合，请检查该客户已存在的授信记录");
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}
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if (new ClientRatingService(UserInfo).IsCreditOverTheCreditLine(dbModel))
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{
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throw new ServiceException("客户授信申请额度不能超过资信等级额度");
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}
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}
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else if (dbModel.Type == CreditTable.RoleType)
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{
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if (isAddNew)
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{
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var cre = DbContext.credit.FirstOrDefault(c => c.Type == CreditTable.RoleType && c.RoleId == dbModel.RoleId);
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if (cre != null)
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{
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dbModel = cre;
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}
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}
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else
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{
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var exists = DbContext.credit.Where(c => c.id != dbModel.id && c.Type == CreditTable.RoleType && c.RoleId == dbModel.RoleId).ToArray();
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if (exists.Any())
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{
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DbContext.credit.RemoveRange(exists);
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}
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}
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}
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SetDBModelOpt(dbModel);
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if (req.IsAll == null)
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{
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req.IsAll = false;
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}
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dbModel.IsAll = req.IsAll;
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if (req.IsVariety == null)
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{
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req.IsVariety = false;
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}
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//设置品种
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dbModel.VarietyId = req.VarietyId.TrimToEmpty();
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if (req.IsAll == true)
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{
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dbModel.VarietyName = "全部";
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}
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else if (dbModel.VarietyId.Length > 0)
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{
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var varityIds = req.VarietyId.Split(',').Select(v => Convert.ToInt32(v)).ToList();
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var varieties = VarietyBLL.GetAllvarietyModel().Where(v => varityIds.Contains(v.id)).Select(v => v.VarietyName);
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dbModel.VarietyName = string.Join(",", varieties);
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}
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else
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{
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dbModel.VarietyName = "";
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}
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dbModel.IsVariety = req.IsVariety;
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dbModel.OptDate = DateTime.Now;
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dbModel.ProcessStatus = "未审批";
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dbModel.ProcessOrderId = 0;
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dbModel.ProcessOptDate = DateTime.Now;
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dbModel.Comments = req.Comments ?? "";
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//如果是为交易员角色设置交易品种，则一定是白名单
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if (req.Type == CreditTable.RoleType)
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{
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dbModel.IsWhitelist = 1;
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}
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DbContext.SaveChanges();
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new ClientCreditService(UserInfo).CreditLog(dbModel.id, isAddNew ? "新增授信" : "修改授信");
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return dbModel;
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}
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private Tuple<int, string> GetParentClient(int clientId)
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{
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using (var clientDb = DbContextFactory.GetClientDbContext(OptUser))
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{
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var query = from c in clientDb.client
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join cp in clientDb.client on c.ParentId equals cp.id
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where c.id == clientId
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select new { cp.id, cp.Name };
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var data = query.FirstOrDefault();
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return data == null ? null : Tuple.Create(data.id, data.Name);
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}
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}
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/// <summary>
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/// 根据区间时间查询授信
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/// </summary>
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public List<CreditTable> GetParentCredits(CreditTable req)
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{
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var parentClient = GetParentClient(req.ClientId ?? 0);
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if (parentClient != null)
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{
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(var parentId, var parentName) = parentClient;
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var parentCredit =
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DbContext.credit.Where(a =>
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a.ClientId == parentId
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&& ((a.CreditStartDate <= req.CreditDeadLine && a.CreditDeadLine >= req.CreditDeadLine)
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|| (a.CreditStartDate <= req.CreditStartDate && a.CreditDeadLine >= req.CreditStartDate)));
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return parentCredit.ToList();
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}
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return new List<CreditTable>();
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}
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/// <summary>
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/// 可用授信额度
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/// </summary>
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/// <param name="clientId"></param>
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/// <returns></returns>
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public void GetAvailableCreditQuota(CreditTable req)
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{
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var parentCredits = GetParentCredits(req);
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if (parentCredits.Count == 0)
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{
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return;
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}
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var chlidClients = ClientDataQueryService.GetChlidClientIdsByParentId(parentCredits[0].ClientId ?? 0);
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List<CreditTable> chlidCredit = null;
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if (chlidClients.Any())
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{
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chlidCredit =
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DbContext.credit.Where(a => chlidClients.Contains((int)a.ClientId)
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&& ((a.CreditStartDate <= req.CreditDeadLine && a.CreditDeadLine >= req.CreditDeadLine)
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|| (a.CreditStartDate <= req.CreditStartDate && a.CreditDeadLine >= req.CreditStartDate))
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).ToList();
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}
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if (chlidCredit == null || chlidCredit.Count == 0)
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{
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foreach (var parent in parentCredits)
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{
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if (parent.Credit < (req.Credit ?? 0))
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{
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throw new ServiceException($"当前母公司【{parent.ClientName}】可用授信额度为【{parent.Credit}】,子公司授信额度之和不能大于母公司可用额度");
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}
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}
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return;
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}
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var dates =
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chlidCredit
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.Select(O => O.CreditStartDate)
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.Concat(chlidCredit.Select(O => O.CreditDeadLine))
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.Concat(parentCredits.Select(O => O.CreditStartDate))
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.Concat(parentCredits.Select(O => O.CreditDeadLine))
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.Concat(new[] { req.CreditStartDate, req.CreditDeadLine })
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.OrderBy(O => O)
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.ToHashSet();
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foreach (var date in dates)
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{
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var parent = parentCredits.Where(O => O.CreditStartDate <= date && O.CreditDeadLine >= date).FirstOrDefault();
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if (parent == null)
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{
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continue;
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}
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var chlid = chlidCredit.Where(O => O.CreditStartDate <= date && O.CreditDeadLine >= date);
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double chlidCreditSum = 0, creditQuota = 0;
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if (chlid.Any())
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{
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chlidCreditSum = chlid.Sum(a => a.Credit ?? 0);
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}
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creditQuota = (parent.Credit ?? 0) - chlidCreditSum;
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if (creditQuota < (req.Credit ?? 0))
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{
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throw new ServiceException($"当前母公司【{parent.ClientName}】可用授信额度为【{creditQuota}】,子公司授信额度之和不能大于母公司可用额度");
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}
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}
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}
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}
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}
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