public virtual T Last()
{
var obj = Current;
string tableName = typeof(T).Name;
string keyName = MasterKey.IsNullOrEmpty() ? GetKeys[0] : MasterKey;
StringBuilder sqlStr = new StringBuilder();
sqlStr.Append($"Select Top 1 * from {tableName} Where 1=1 ");
if (GetKeys.Length > 4 && obj.GetType().GetProperties().Any(p => p.Name.Equals("PkId")) && GetKeys.Contains("TrxTypeId") && GetKeys.Contains("CompanyCode") && GetKeys.Contains("BranchCode"))
{
sqlStr.Append($" And CompanyCode ='{obj.GetValue("CompanyCode")}'");
sqlStr.Append($" And BranchCode ='{obj.GetValue("BranchCode")}'");
sqlStr.Append(" Order by PkId Desc");
}
else if (GetKeys.Contains("CompanyCode"))
{
if (GetKeys.Length > 1 && GetKeys.Length <= 4)
{
for (int i = 1; i < GetKeys.Length; i++)
{
sqlStr.Append($" And {GetKeys[i]} ='{obj.GetValue(GetKeys[i])}'");
}
}
sqlStr.Append($" Order by {keyName} Desc");
}
else
{
sqlStr.Append($" Order by {keyName} Desc");
}
T entity = Context.Set <T>().SqlQuery(sqlStr.ToString()).FirstOrDefault() ?? new T();
return(entity);
}
public virtual TransactionResult Delete(T entity, string headerkeyvalue = null, bool useLog = true)
{
if (Context.Database.Connection.State != ConnectionState.Open)
{
Context.Database.Connection.Open();
}
TransactionScope scope = new TransactionScope();
try
{
var keyvalue = entity.GetValue(MasterKey.IsNullOrEmpty() ? GetKeys[0] : MasterKey);
var row = Find(entity);
entity = row; Context.Entry(entity).State = EntityState.Deleted;
if (BeforeDelete != null)
{
var eventUseData = new EventUseData();
BeforeDelete.Invoke(entity, Context, eventUseData);
if (eventUseData.Cancel)
{
scope.Dispose();
return(eventUseData.Message);
}
}
//if (_user.FollowUp && useLog)
//{
// Context.LogEntity(entity, _user, GetKeys[0], _formType, headerkeyvalue, headerkeyvalue);
//}
Context.SaveChanges();
//var lkpWebControllers = Context.lkp_WebControllers.FirstOrDefault(c => c.formType == _formType); //c.ControllerName.Equals(_controllername, StringComparison.OrdinalIgnoreCase) ||
//if (lkpWebControllers != null)
//{
// int formType = lkpWebControllers.formType;
// RemoveAttachments(formType, keyvalue.ToString());
//}
scope.Complete();
if (AfterDelete != null)
{
EventBase eventMessage = new EventBase {
Message = TransactionResult.None
};
AfterDelete.Invoke(entity, Context, eventMessage);
if (eventMessage.Message != TransactionResult.None)
{
return(eventMessage.Message);
}
}
return(TransactionResult.DeleteSuccess);
}
catch (Exception ex)
{
HandleException(ex);
scope.Dispose();
Context.Database.Connection.Close();
//Logger.LogSystemError(_user.UserId.ToString(), ex);
return(TransactionResult.DeleteFailed);
}
finally
{
scope.Dispose();
}
}
public virtual T Previous()
{
var obj = Current;
if (obj == null)
{
return(null);
}
T entity;
string tableName = typeof(T).Name;
string keyName = MasterKey.IsNullOrEmpty() ? GetKeys[0] : MasterKey;
string keyValue = obj.GetValue(GetKeys[0]).IsNull();
StringBuilder sqlStr = new StringBuilder();
StringBuilder sqlWhere = new StringBuilder();
sqlStr.Append($"Select * from {tableName} Where 1=1 ");
if (GetKeys.Length > 4 && obj.GetType().GetProperties().Any(p => p.Name.Equals("PkId")) && GetKeys.Contains("TrxTypeId") && GetKeys.Contains("CompanyCode") && GetKeys.Contains("BranchCode"))
{
string s =
$"Select * From {tableName} Where " +
$"TrxTypeId='{obj.GetValue("TrxTypeId")}' And " +
$"YearId='{obj.GetValue("YearId")}' And " +
$"PeriodId='{obj.GetValue("PeriodId")}' And " +
$"CompanyCode='{obj.GetValue("CompanyCode")}' And " +
$"BranchCode='{obj.GetValue("BranchCode")}'";
if (obj.GetValue("TrxNo") != null)
{
s += $"And TrxNo = '{obj.GetValue("TrxNo")}'";
}
keyValue = Context.Set <T>().SqlQuery(s).FirstOrDefault().GetValue("PkId").IsNull(); //obj.GetValue(GetKeys[0]).IsNull();
sqlWhere.Append($" And CompanyCode ='{obj.GetValue("CompanyCode")}'");
sqlWhere.Append($" And BranchCode ='{obj.GetValue("BranchCode")}'");
if (obj.GetValue("TrxNo") != null)
{
sqlStr.Append($"{sqlWhere} And PkId=(Select Max(PkId) from {tableName} Where PkId < '{keyValue}' {sqlWhere})");
}
entity = Context.Set <T>().SqlQuery(sqlStr.ToString()).FirstOrDefault() ?? obj;
}
else if (GetKeys.Contains("CompanyCode"))
{
if (GetKeys.Length > 1 && GetKeys.Length <= 4)
{
for (int i = 1; i < GetKeys.Length; i++)
{
sqlWhere.Append($" And {GetKeys[i]} ='{obj.GetValue(GetKeys[i])}'");
}
}
if (keyValue != "")
{
sqlStr.Append($"{sqlWhere} And {keyName}=(Select Max({keyName}) from {tableName} Where {keyName} < '{keyValue}' {sqlWhere})");
}
entity = Context.Set <T>().SqlQuery(sqlStr.ToString()).FirstOrDefault();
}
else
{
if (keyValue != "")
{
sqlStr.Append($"{sqlWhere} And {keyName}=(Select Max({keyName}) from {tableName} Where {keyName} < '{keyValue}' {sqlWhere})");
}
entity = Context.Set <T>().SqlQuery(sqlStr.ToString()).FirstOrDefault();
}
return(entity ?? obj);
}
