/// <summary>
/// 修改，进行默认的修改操作。子类如有自定义操作应重载本函数
/// </summary>
/// <param name="updateAllFields">为true时，框架会更新当前Entity的全部值，为false时，框架会检查Request.Form里的key，只更新表单提交的字段</param>
public virtual void DoEdit(bool updateAllFields = false)
{
DoEditPrepare(updateAllFields);
DC.SaveChanges();
//删除不需要的附件
if (DeletedFileIds != null)
{
foreach (var item in DeletedFileIds)
{
FileAttachmentVM ofa = new FileAttachmentVM();
ofa.CopyContext(this);
ofa.SetEntityById(item);
ofa.DoDelete();
}
}
}
/// <summary>
/// 物理删除，对于普通的TopBasePoco和Delete操作相同，对于PersistPoco则进行真正的删除。子类如有自定义操作应重载本函数
/// </summary>
public virtual void DoRealDelete()
{
try
{
List <Guid> fileids = new List <Guid>();
var pros = typeof(TModel).GetProperties();
//如果包含附件，则先删除附件
var fa = pros.Where(x => x.PropertyType == typeof(FileAttachment) || typeof(TopBasePoco).IsAssignableFrom(x.PropertyType)).ToList();
foreach (var f in fa)
{
if (f.GetValue(Entity) is FileAttachment file)
{
fileids.Add(file.ID);
}
f.SetValue(Entity, null);
}
var fas = pros.Where(x => typeof(IEnumerable <ISubFile>).IsAssignableFrom(x.PropertyType)).ToList();
foreach (var f in fas)
{
var subs = f.GetValue(Entity) as IEnumerable <ISubFile>;
foreach (var sub in subs)
{
fileids.Add(sub.FileId);
}
f.SetValue(Entity, null);
}
DC.DeleteEntity(Entity);
DC.SaveChanges();
foreach (var item in fileids)
{
FileAttachmentVM ofa = new FileAttachmentVM();
ofa.CopyContext(this);
ofa.SetEntityById(item);
ofa.DoDelete();
}
}
catch (Exception e)
{
MSD.AddModelError("", "数据使用中，无法删除");
}
}
/// <summary>
/// 修改，进行默认的修改操作。子类如有自定义操作应重载本函数
/// </summary>
/// <param name="updateAllFields">为true时，框架会更新当前Entity的全部值，为false时，框架会检查Request.Form里的key，只更新表单提交的字段</param>
public virtual void DoEdit(bool updateAllFields = false)
{
//自动设定修改日期和修改人
if (typeof(TModel).GetTypeInfo().IsSubclassOf(typeof(BasePoco)))
{
BasePoco ent = Entity as BasePoco;
if (ent.UpdateTime == null)
{
ent.UpdateTime = DateTime.Now;
}
if (string.IsNullOrEmpty(ent.UpdateBy))
{
ent.UpdateBy = LoginUserInfo?.ITCode;
}
}
var pros = typeof(TModel).GetProperties();
#region 更新子表
foreach (var pro in pros)
{
//找到类型为List<xxx>的字段
if (pro.PropertyType.GenericTypeArguments.Count() > 0)
{
//获取xxx的类型
var ftype = pro.PropertyType.GenericTypeArguments.First();
//如果xxx继承自TopBasePoco
if (ftype.IsSubclassOf(typeof(TopBasePoco)))
{
//界面传过来的子表数据
if (pro.GetValue(Entity) is IEnumerable <TopBasePoco> list && list.Count() > 0)
{
//获取外键字段名称
string fkname = DC.GetFKName <TModel>(pro.Name);
PropertyInfo[] itemPros = ftype.GetProperties();
bool found = false;
foreach (var newitem in list)
{
var subtype = newitem.GetType();
if (subtype.IsSubclassOf(typeof(BasePoco)))
{
BasePoco ent = newitem as BasePoco;
if (ent.UpdateTime == null)
{
ent.UpdateTime = DateTime.Now;
}
if (string.IsNullOrEmpty(ent.UpdateBy))
{
ent.UpdateBy = LoginUserInfo?.ITCode;
}
}
//循环页面传过来的子表数据,将关联到TopBasePoco的字段设为null,并且把外键字段的值设定为主表ID
foreach (var itempro in itemPros)
{
if (itempro.PropertyType.IsSubclassOf(typeof(TopBasePoco)))
{
itempro.SetValue(newitem, null);
}
if (!string.IsNullOrEmpty(fkname))
{
if (itempro.Name.ToLower() == fkname.ToLower())
{
itempro.SetValue(newitem, Entity.ID);
found = true;
}
}
}
}
//如果没有找到相应的外建字段，则可能是多对多的关系，或者做了特殊的设定，这种情况框架无法支持，直接退出本次循环
if (found == false)
{
continue;
}
TModel _entity = null;
//打开新的数据库联接,获取数据库中的主表和子表数据
using (var ndc = DC.CreateNew())
{
_entity = ndc.Set <TModel>().Include(pro.Name).AsNoTracking().Where(x => x.ID == Entity.ID).FirstOrDefault();
}
//比较子表原数据和新数据的区别
IEnumerable <TopBasePoco> toadd = null;
IEnumerable <TopBasePoco> toremove = null;
IEnumerable <TopBasePoco> data = _entity.GetType().GetProperty(pro.Name).GetValue(_entity) as IEnumerable <TopBasePoco>;
Utils.CheckDifference(data, list, out toremove, out toadd);
//设定子表应该更新的字段
List <string> setnames = new List <string>();
foreach (var field in FC.Keys)
{
if (field.StartsWith("Entity." + pro.Name + "[0]."))
{
string name = field.Replace("Entity." + pro.Name + "[0].", "");
setnames.Add(name);
}
}
//前台传过来的数据
foreach (var newitem in list)
{
//数据库中的数据
foreach (var item in data)
{
//需要更新的数据
if (newitem.ID == item.ID)
{
dynamic i = newitem;
var newitemType = item.GetType();
foreach (var itempro in itemPros)
{
if (!itempro.PropertyType.IsSubclassOf(typeof(TopBasePoco)) && (updateAllFields == true || setnames.Contains(itempro.Name)))
{
var notmapped = itempro.GetCustomAttribute <NotMappedAttribute>();
if (itempro.Name != "ID" && notmapped == null && itempro.PropertyType.IsList() == false)
{
DC.UpdateProperty(i, itempro.Name);
}
}
}
DC.UpdateProperty(i, "UpdateTime");
DC.UpdateProperty(i, "UpdateBy");
}
}
}
//需要删除的数据
foreach (var item in toremove)
{
foreach (var itempro in itemPros)
{
if (itempro.PropertyType.IsSubclassOf(typeof(TopBasePoco)))
{
itempro.SetValue(item, null);
}
}
dynamic i = item;
DC.DeleteEntity(i);
}
//需要添加的数据
foreach (var item in toadd)
{
if (item.GetType().IsSubclassOf(typeof(BasePoco)))
{
BasePoco ent = item as BasePoco;
if (ent.CreateTime == null)
{
ent.CreateTime = DateTime.Now;
}
if (string.IsNullOrEmpty(ent.CreateBy))
{
ent.CreateBy = LoginUserInfo?.ITCode;
}
}
DC.AddEntity(item);
}
}
else if (FC.Keys.Contains("Entity." + pro.Name + ".DONOTUSECLEAR") || (pro.GetValue(Entity) is IEnumerable <TopBasePoco> list2 && list2?.Count() == 0))
{
PropertyInfo[] itemPros = ftype.GetProperties();
var _entity = DC.Set <TModel>().Include(pro.Name).AsNoTracking().Where(x => x.ID == Entity.ID).FirstOrDefault();
if (_entity != null)
{
IEnumerable <TopBasePoco> removeData = _entity.GetType().GetProperty(pro.Name).GetValue(_entity) as IEnumerable <TopBasePoco>;
foreach (var item in removeData)
{
foreach (var itempro in itemPros)
{
if (itempro.PropertyType.IsSubclassOf(typeof(TopBasePoco)))
{
itempro.SetValue(item, null);
}
}
dynamic i = item;
DC.DeleteEntity(i);
}
}
}
}
}
}
#endregion
if (updateAllFields == false)
{
foreach (var field in FC.Keys)
{
if (field.StartsWith("Entity.") && !field.Contains("["))
{
string name = field.Replace("Entity.", "");
try
{
DC.UpdateProperty(Entity, name);
}
catch (Exception)
{
}
}
}
if (typeof(TModel).GetTypeInfo().IsSubclassOf(typeof(BasePoco)))
{
try
{
DC.UpdateProperty(Entity, "UpdateTime");
DC.UpdateProperty(Entity, "UpdateBy");
}
catch (Exception)
{
}
}
}
else
{
DC.UpdateEntity(Entity);
}
DC.SaveChanges();
//删除不需要的附件
if (DeletedFileIds != null)
{
foreach (var item in DeletedFileIds)
{
FileAttachmentVM ofa = new FileAttachmentVM();
ofa.CopyContext(this);
ofa.SetEntityById(item);
ofa.DoDelete();
}
}
}
/// <summary>
/// 添加，进行默认的添加操作。子类如有自定义操作应重载本函数
/// </summary>
public virtual void DoAdd()
{
var pros = typeof(TModel).GetProperties();
//将所有TopBasePoco的属性赋空值，防止添加关联的重复内容
if (typeof(TModel) != typeof(FileAttachment))
{
foreach (var pro in pros)
{
if (pro.PropertyType.GetTypeInfo().IsSubclassOf(typeof(TopBasePoco)))
{
pro.SetValue(Entity, null);
}
}
}
//自动设定添加日期和添加人
if (typeof(TModel).GetTypeInfo().IsSubclassOf(typeof(BasePoco)))
{
BasePoco ent = Entity as BasePoco;
if (ent.CreateTime == null)
{
ent.CreateTime = DateTime.Now;
}
if (string.IsNullOrEmpty(ent.CreateBy))
{
ent.CreateBy = LoginUserInfo?.ITCode;
}
}
if (typeof(TModel).GetTypeInfo().IsSubclassOf(typeof(PersistPoco)))
{
(Entity as PersistPoco).IsValid = true;
}
#region 更新子表
foreach (var pro in pros)
{
//找到类型为List<xxx>的字段
if (pro.PropertyType.GenericTypeArguments.Count() > 0)
{
//获取xxx的类型
var ftype = pro.PropertyType.GenericTypeArguments.First();
//如果xxx继承自TopBasePoco
if (ftype.IsSubclassOf(typeof(BasePoco)))
{
//界面传过来的子表数据
IEnumerable <TopBasePoco> list = pro.GetValue(Entity) as IEnumerable <BasePoco>;
if (list != null && list.Count() > 0)
{
string fkname = DC.GetFKName <TModel>(pro.Name);
PropertyInfo[] itemPros = ftype.GetProperties();
bool found = false;
foreach (var newitem in list)
{
foreach (var itempro in itemPros)
{
if (itempro.PropertyType.IsSubclassOf(typeof(TopBasePoco)))
{
itempro.SetValue(newitem, null);
}
if (!string.IsNullOrEmpty(fkname))
{
if (itempro.Name.ToLower() == fkname.ToLower())
{
itempro.SetValue(newitem, Entity.ID);
found = true;
}
}
}
}
//如果没有找到相应的外建字段，则可能是多对多的关系，或者做了特殊的设定，这种情况框架无法支持，直接退出本次循环
if (found == false)
{
continue;
}
//循环页面传过来的子表数据,自动设定添加日期和添加人
foreach (var newitem in list)
{
var subtype = newitem.GetType();
BasePoco ent = newitem as BasePoco;
if (ent.CreateTime == null)
{
ent.CreateTime = DateTime.Now;
}
if (string.IsNullOrEmpty(ent.CreateBy))
{
ent.CreateBy = LoginUserInfo?.ITCode;
}
}
}
}
}
}
#endregion
//添加数据
DC.Set <TModel>().Add(Entity);
//删除不需要的附件
if (DeletedFileIds != null)
{
foreach (var item in DeletedFileIds)
{
FileAttachmentVM ofa = new FileAttachmentVM();
ofa.CopyContext(this);
ofa.SetEntityById(item);
ofa.DoDelete();
}
}
DC.SaveChanges();
}