/// <summary>
/// 增加/修改班级信息
/// </summary>
/// <param name="operation"></param>
/// <param name="model"></param>
public void OperateClassInfo(OperationType operation, RegularClassModel model)
{
string classID;
int classSerial;
int newIndex = 0;
switch (operation)
{
case OperationType.Add:
_dal.Add(model, out classID, out classSerial);
model.ClassID = classID;
model.ClassSerial = classSerial;
RegularClassCollection.Add(model);
break;
case OperationType.Update:
_dal.Update(model, out classSerial);
model.ClassSerial = classSerial;
RegularClassCollection[RegularClassCollection.IndexOf(RegularClassCollection.Where(c => c.ClassID == model.ClassID).First())] = model;
OverdueChangedEvent?.Invoke();
break;
}
RegularClassCollection.Sort();
newIndex = RegularClassCollection.IndexOf(model);
RegularClassChangedEvent?.Invoke(operation, model, newIndex);
}
/// <summary>
/// 界面通过该方法发起班级修改请求
/// </summary>
/// <param name="operation"></param>
/// <param name="model"></param>
public void RaiseChangeRegularClassEvent(OperationType operation, RegularClassModel model)
{
if (operation == OperationType.Update)
{
model = RegularClassCollection.Where(c => c.ClassID == model.ClassID).First();
}
ChangeRegularClassEvent?.Invoke(operation, model);
}
public RegularClassManagement()
{
RegularClassCollection = _dal.GetList();
if (RegularClassCollection != null)
{
RegularClassCollection.Sort();
}
else
{
RegularClassCollection = new List <RegularClassModel>();
}
RegularClassRoutine = new Dictionary <string, List <RegularChangingModel> >();
List <RegularChangingModel> changingList = _dal.GetChangingList();
if (changingList != null)
{
foreach (List <RegularChangingModel> lst in changingList.GroupBy(r => r.RegularClassID).Select(g => g.ToList()).ToList())
{
RegularClassRoutine.Add(lst[0].RegularClassID, lst);
}
}
}
public string GetClassNameInHis(string regularClassID, DateTime hisDate)
{
string className;
if (RegularClassRoutine.ContainsKey(regularClassID))// 有修改记录
{
RegularChangingModel thres = RegularClassRoutine[regularClassID].Where(c => c.ChangingDate > hisDate).FirstOrDefault();
if (thres == null)//时间晚于最后一条修改记录
{
className = RegularClassCollection.Where(r => r.ClassID == regularClassID).FirstOrDefault().ClassName;
}
else
{
className = thres.PreviousName;
}
}
else
{
className = RegularClassCollection.Where(r => r.ClassID == regularClassID).FirstOrDefault().ClassName;
}
return(className);
}