/// <summary>
/// 根据主键获取Entity
/// </summary>
/// <param name="Id">主键Id</param>
/// <returns>Entity</returns>
protected virtual TModel GetById(object Id)
{
TModel rv = null;
//建立基础查询
var query = DC.Set <TModel>().AsQueryable();
//循环添加其他设定的Include
if (_toInclude != null)
{
foreach (var item in _toInclude)
{
query = query.Include(item);
}
}
if (typeof(TModel).IsSubclassOf(typeof(PersistPoco)))
{
var mod = new IsValidModifier();
var newExp = mod.Modify(query.Expression);
query = query.Provider.CreateQuery <TModel>(newExp) as IOrderedQueryable <TModel>;
}
//获取数据
rv = query.CheckID(Id).AsNoTracking().SingleOrDefault();
if (rv == null)
{
throw new Exception("数据不存在");
}
//如果TopBasePoco有关联的附件，则自动Include 附件名称
var fa = typeof(TModel).GetProperties().Where(x => x.PropertyType == typeof(FileAttachment)).ToList();
foreach (var f in fa)
{
var fname = DC.GetFKName2 <TModel>(f.Name);
var fid = typeof(TModel).GetProperty(fname).GetValue(rv) as Guid?;
var file = DC.Set <FileAttachment>().Where(x => x.ID == fid).Select(x => new FileAttachment {
ID = x.ID,
CreateBy = x.CreateBy,
CreateTime = x.CreateTime,
UpdateBy = x.UpdateBy,
UpdateTime = x.UpdateTime,
UploadTime = x.UploadTime,
FileExt = x.FileExt,
FileName = x.FileName,
Length = x.Length,
GroupName = x.GroupName,
IsTemprory = x.IsTemprory,
Path = x.Path,
SaveFileMode = x.SaveFileMode
}).FirstOrDefault();
rv.SetPropertyValue(f.Name, file);
}
return(rv);
}
/// <summary>
/// 根据主键获取Entity
/// </summary>
/// <param name="Id">主键Id</param>
/// <returns>Entity</returns>
protected virtual TModel GetById(Guid Id)
{
TModel rv = null;
//建立基础查询
var query = DC.Set <TModel>().AsQueryable();
//循环添加其他设定的Include
if (_toInclude != null)
{
foreach (var item in _toInclude)
{
query = query.Include(item);
}
}
//获取数据
rv = query.Where(x => x.ID == Id).SingleOrDefault();
if (rv == null)
{
throw new Exception("数据不存在");
}
//如果TopBasePoco有关联的附件，则自动Include 附件名称
var fa = typeof(TModel).GetProperties().Where(x => x.PropertyType == typeof(FileAttachment)).ToList();
foreach (var f in fa)
{
var fname = DC.GetFKName2 <TModel>(f.Name);
var fid = typeof(TModel).GetProperty(fname).GetValue(rv) as Guid?;
var file = DC.Set <FileAttachment>().Where(x => x.ID == fid).Select(x => new FileAttachment {
ID = x.ID,
CreateBy = x.CreateBy,
CreateTime = x.CreateTime,
UpdateBy = x.UpdateBy,
UpdateTime = x.UpdateTime,
UploadTime = x.UploadTime,
FileExt = x.FileExt,
FileName = x.FileName,
Length = x.Length,
GroupName = x.GroupName,
IsTemprory = x.IsTemprory,
Path = x.Path,
SaveFileMode = x.SaveFileMode
}).FirstOrDefault();
rv.SetPropertyValue(f.Name, file);
}
return(rv);
}
/// <summary>
/// 根据主键获取Entity
/// </summary>
/// <param name="Id">主键Id</param>
/// <returns>Entity</returns>
protected virtual TModel GetById(object Id)
{
TModel rv = null;
//建立基础查询
var query = DC.Set <TModel>().AsQueryable();
//循环添加其他设定的Include
if (_toInclude != null)
{
foreach (var item in _toInclude)
{
query = query.Include(item);
}
}
if (typeof(TModel).IsSubclassOf(typeof(PersistPoco)))
{
var mod = new IsValidModifier();
var newExp = mod.Modify(query.Expression);
query = query.Provider.CreateQuery <TModel>(newExp) as IOrderedQueryable <TModel>;
}
//获取数据
rv = query.CheckID(Id).AsNoTracking().SingleOrDefault();
if (rv == null)
{
return(rv);
//throw new Exception("数据不存在");
}
//如果TopBasePoco有关联的附件，则自动Include 附件名称
var fa = typeof(TModel).GetAllProperties().Where(x => x.PropertyType == typeof(FileAttachment)).ToList();
foreach (var f in fa)
{
var fname = DC.GetFKName2 <TModel>(f.Name);
var fid = typeof(TModel).GetSingleProperty(fname).GetValue(rv);
if (fid != null)
{
var fp = KnifeVirgo.HttpContext.RequestServices.GetRequiredService <VirgoFileProvider>();
var file = fp.GetFile(fid?.ToString(), false, DC);
rv.SetPropertyValue(f.Name, file);
}
}
return(rv);
}
public override IOrderedQueryable <CodeGenListView> GetSearchQuery()
{
Type modeltype = Type.GetType(ModelFullName);
var pros = modeltype.GetProperties();
List <CodeGenListView> lv = new List <CodeGenListView>();
int count = 0;
Type[] basetype = new Type[] { typeof(BasePoco), typeof(TopBasePoco), typeof(PersistPoco) };
List <string> ignoreField = new List <string>();
foreach (var pro in pros)
{
if (basetype.Contains(pro.DeclaringType) == false)
{
if (pro.CanWrite == false)
{
continue;
}
if (pro.Name.ToLower() == "id" && pro.PropertyType != typeof(string))
{
continue;
}
CodeGenListView view = new CodeGenListView()
{
FieldName = pro.Name,
FieldDes = pro.GetPropertyDisplayName(),
SubIdField = "",
Index = count
};
var notmapped = pro.GetCustomAttributes(typeof(NotMappedAttribute), false).FirstOrDefault();
Type checktype = pro.PropertyType;
if (pro.PropertyType.IsNullable())
{
checktype = pro.PropertyType.GetGenericArguments()[0];
}
if (ignoreField.Contains(checktype.Name))
{
continue;
}
bool show = false;
view.IsFormField = true;
view.IsListField = true;
view.IsImportField = true;
if (checktype.IsPrimitive || checktype == typeof(string) || checktype == typeof(DateTime) || checktype.IsEnum() || checktype == typeof(decimal))
{
show = true;
}
if (typeof(TopBasePoco).IsAssignableFrom(checktype))
{
var fk = DC.GetFKName2(modeltype, pro.Name);
if (fk != null)
{
ignoreField.Add(fk);
}
if (checktype == typeof(FileAttachment))
{
view.IsImportField = false;
view.FieldDes += $"({Program._localizer["Attachment"]})";
}
else
{
view.FieldDes += $"({Program._localizer["OneToMany"]})";
}
view.LinkedType = checktype.AssemblyQualifiedName;
show = true;
}
if (checktype.IsList())
{
checktype = pro.PropertyType.GetGenericArguments()[0];
if (checktype.IsNullable())
{
checktype = checktype.GetGenericArguments()[0];
}
var middletable = checktype.GetCustomAttributes(typeof(MiddleTableAttribute), false).FirstOrDefault();
if (middletable != null)
{
view.FieldDes += $"({Program._localizer["ManyToMany"]})";
view.IsImportField = false;
var subpros = checktype.GetProperties();
foreach (var spro in subpros)
{
if (basetype.Contains(spro.DeclaringType) == false)
{
Type subchecktype = spro.PropertyType;
if (spro.PropertyType.IsNullable())
{
subchecktype = spro.PropertyType.GetGenericArguments()[0];
}
if (typeof(TopBasePoco).IsAssignableFrom(subchecktype) && subchecktype != modeltype)
{
view.LinkedType = subchecktype.AssemblyQualifiedName;
var fk = DC.GetFKName2(checktype, spro.Name);
view.SubIdField = fk;
show = true;
}
}
}
}
}
if (notmapped != null)
{
view.FieldDes += "(NotMapped)";
view.IsFormField = false;
view.IsSearcherField = false;
view.IsBatchField = false;
view.IsImportField = false;
view.IsListField = false;
}
if (show == true)
{
lv.Add(view);
count++;
}
}
}
for (int i = 0; i < lv.Count(); i++)
{
if (ignoreField.Contains(lv[i].FieldName))
{
for (int j = i; j < lv.Count(); j++)
{
lv[j].Index--;
}
lv.RemoveAt(i);
i--;
}
}
return(lv.AsQueryable().OrderBy(x => x.FieldName));
}
/// <summary>
/// 批量删除，默认对Ids中包含的主键的数据进行删除。子类如果有特殊判断应重载本函数
/// </summary>
/// <returns>true代表成功，false代表失败</returns>
public virtual bool DoBatchDelete()
{
bool rv = true;
//循环所有数据Id
List <string> idsData = Ids.ToList();
var modelType = typeof(TModel);
var pros = modelType.GetAllProperties();
//如果包含附件，则先删除附件
List <Guid> fileids = new List <Guid>();
var fa = pros.Where(x => x.PropertyType == typeof(FileAttachment) || typeof(TopBasePoco).IsAssignableFrom(x.PropertyType)).ToList();
var isPersist = modelType.IsSubclassOf(typeof(PersistPoco));
var query = DC.Set <TModel>().AsQueryable();
var fas = pros.Where(x => typeof(IEnumerable <ISubFile>).IsAssignableFrom(x.PropertyType)).ToList();
foreach (var f in fas)
{
query = query.Include(f.Name);
}
query = query.AsNoTracking().CheckIDs(idsData);
var entityList = query.ToList();
for (int i = 0; i < entityList.Count; i++)
{
string checkErro = null;
//检查是否可以删除，如不能删除则直接跳过
if (CheckIfCanDelete(idsData[i], out checkErro) == false)
{
ErrorMessage.Add(idsData[i], checkErro);
rv = false;
break;
}
//进行删除
try
{
var Entity = entityList[i];
if (isPersist)
{
(Entity as PersistPoco).IsValid = false;
(Entity as PersistPoco).UpdateTime = DateTime.Now;
(Entity as PersistPoco).UpdateBy = LoginUserInfo.ITCode;
DC.UpdateProperty(Entity, "IsValid");
DC.UpdateProperty(Entity, "UpdateTime");
DC.UpdateProperty(Entity, "UpdateBy");
}
else
{
foreach (var f in fa)
{
if (f.PropertyType == typeof(FileAttachment))
{
string fidfield = DC.GetFKName2(modelType, f.Name);
var fidpro = pros.Where(x => x.Name == fidfield).FirstOrDefault();
var idresult = fidpro.GetValue(Entity);
if (idresult != null)
{
Guid fid = Guid.Empty;
if (Guid.TryParse(idresult.ToString(), out fid) == true)
{
fileids.Add(fid);
}
}
}
f.SetValue(Entity, null);
}
foreach (var f in fas)
{
var subs = f.GetValue(Entity) as IEnumerable <ISubFile>;
if (subs != null)
{
foreach (var sub in subs)
{
fileids.Add(sub.FileId);
}
f.SetValue(Entity, null);
}
else
{
}
}
if (typeof(TModel) != typeof(FileAttachment))
{
foreach (var pro in pros)
{
if (pro.PropertyType.GetTypeInfo().IsSubclassOf(typeof(TopBasePoco)))
{
pro.SetValue(Entity, null);
}
}
}
DC.DeleteEntity(Entity);
}
}
catch (Exception e)
{
SetExceptionMessage(e, idsData[i]);
rv = false;
}
}
//进行数据库的删除操作
if (rv == true)
{
try
{
DC.SaveChanges();
var fp = KnifeVirgo.HttpContext.RequestServices.GetRequiredService <VirgoFileProvider>();
foreach (var item in fileids)
{
fp.DeleteFile(item.ToString(), DC.ReCreate());
}
}
catch (Exception e)
{
SetExceptionMessage(e, null);
rv = false;
}
}
//如果失败，添加错误信息
if (rv == false)
{
if (ErrorMessage.Count > 0)
{
foreach (var id in idsData)
{
if (!ErrorMessage.ContainsKey(id))
{
ErrorMessage.Add(id, Core.CoreProgram.Callerlocalizer?["Sys.Rollback"]);
}
}
}
ListVM?.DoSearch();
if (ListVM != null)
{
foreach (var item in ListVM?.GetEntityList())
{
item.BatchError = ErrorMessage.Where(x => x.Key == item.GetID().ToString()).Select(x => x.Value).FirstOrDefault();
}
}
MSD.AddModelError("", Core.CoreProgram.Callerlocalizer?["Sys.DataCannotDelete"]);
}
return(rv);
}
