C# (最佳实践)FluentValidation和检查重复实体
我有一个带有3个主键的表(连接表),所以当我想检查重复记录时,我必须同时检查3个属性 我写了一个这样的方法C# (最佳实践)FluentValidation和检查重复实体,c#,validation,fluentvalidation,C#,Validation,Fluentvalidation,我有一个带有3个主键的表(连接表),所以当我想检查重复记录时,我必须同时检查3个属性 我写了一个这样的方法 private bool IsDuplicate(long roleId, long componentGroupId, long operationId) { var business = new RoleGroupBusiness(); var result = business.Where(x => x.RoleID == rol
private bool IsDuplicate(long roleId, long componentGroupId, long operationId)
{
var business = new RoleGroupBusiness();
var result = business.Where(x => x.RoleID == roleId && x.ComponentGroupID == componentGroupId && x.OperationID == operationId).Any();
return result;
}
我有一个FluentValidator类,如下所示:
public class RoleGroupValidator : AbstractValidator<RoleGroup>
{
private bool IsDuplicate(long roleId, long componentGroupId, long operationId)
{
var business = new RoleGroupBusiness();
var result = business.Where(x => x.RoleID == roleId && x.ComponentGroupID == componentGroupId && x.OperationID == operationId).Any();
return result;
}
public RoleGroupValidator()
{
RuleFor(x => x.RoleID).NotNull().WithMessage("A");
RuleFor(x => x.ComponentGroupID).NotNull().WithMessage("A");
RuleFor(x => x.OperationID).NotNull().WithMessage("A");
}
}
公共类RoleGroupValidator:AbstractValidator
{
私有bool是重复的(长roleId、长componentGroupId、长operationId)
{
var业务=新角色组合业务();
var result=business.Where(x=>x.RoleID==RoleID&&x.ComponentGroupID==ComponentGroupID&&x.OperationID==OperationID).Any();
返回结果;
}
公共角色组验证程序()
{
RuleFor(x=>x.RoleID).NotNull().WithMessage(“A”);
RuleFor(x=>x.ComponentGroupID).NotNull().WithMessage(“A”);
RuleFor(x=>x.OperationID).NotNull().WithMessage(“A”);
}
}
1) 如何在FluentValidator中使用IsDuplicate methid
或
2) 在fluentValidation库中检查实体是否重复的最佳方法是什么
RuleFor仅获取其中一个属性的值,但我需要所有属性的值才能传递到我的方法此代码尚未经过测试,但我做了类似的操作,在方法中使用了一个从未用于任何内容的伪值
private bool NotBeDuplicate(RoleGroup r, long dummy)
{
var business = new RoleGroupBusiness();
var result = business.Where(x => x.RoleID == r.RoleID && x.ComponentGroupID == r.ComponentGroupID && x.OperationID == r.OperationID).Any();
return !result;
}
public RoleGroupValidator()
{
RuleFor(x => x.RoleID).Must(NotBeDuplicate);
}
希望这能为您指明正确的方向。您应该使用Must方法:
public class RoleGroupValidator : AbstractValidator<RoleGroup>
{
public RoleGroupValidator()
{
RuleFor(x => x.RoleID).NotNull().WithMessage("A");
RuleFor(x => x.ComponentGroupID).NotNull().WithMessage("A");
RuleFor(x => x.OperationID).NotNull().WithMessage("A");
RuleFor(x => x).Must(x => !IsDuplicate(x));
}
private bool IsDuplicate(RoleGroup r)
{
var business = new RoleGroupBusiness();
return business.Any(x => x.RoleID == r.RoleID &&
x.ComponentGroupID == r.ComponentGroupID &&
x.OperationID == r.OperationID);
}
}
private bool IsDuplicate(RoleGroup r)
{
using (var business = new RoleGroupBusiness())
{
return business.Any(x => x.RoleID == r.RoleID &&
x.ComponentGroupID == r.ComponentGroupID &&
x.OperationID == r.OperationID);
}
}