public async Task <object> GetDataAsync(DataServiceModel oData)
{
Type oType = PocoHelper.GetTypeFromString(oData.TypeName);
var task = await DynamicAssembly.InvokeGenericMethodObjAsync(oType, this, "GetDataLogicAsync", oData);
return(task);
}
/// <summary>
/// Phương thức cho phép lọc tất cả các field và phân trang dành cho combobox phân trang
/// </summary>
/// <typeparam name="T">Kiểu Entity</typeparam>
/// <param name="dsm">DataServiceModel - Mô hình chuẩn truyền dữ liệu</param>
/// <param name="textfields">Tên tất cả các field trong 1 combobox/autocomplete/... hiện tại</param>
/// <param name="query">Câu lệnh query (chưa có .ToList hay .ToArray)</param>
/// <returns>Đối tượng đã được lọc và phân trang</returns>
public static object[] FilterAndOrderBy <TEntity>(DataServiceModel dsm, string textfields, IQueryable <TEntity> query) where TEntity : class
{
var value = dsm.DataValue[1].ToString();
var cols = textfields.Split(new string[] { ";" }, StringSplitOptions.RemoveEmptyEntries);//lấy fieldName textfields (chỉ có ở combobox)
var str = "";
var count = 0;
foreach (var col in cols)
{
str += col + ".Contains(@" + count.ToString() + ")" + "||";
count++;
}
if (str.Length > 2)
{
str = str.Substring(0, str.Length - 2);
query = query.Where(str, value, value, value);
}
query = GenerateSortOrder <TEntity>(query, cols, dsm.SortDirections);
var total = query.Count();
query = System.Linq.Queryable.Skip(query, dsm.PageNum);
query = System.Linq.Queryable.Take(query, dsm.PageSize);
var result = query.ToList();
return(new object[] { result, total });
}
public object GetDataAndRowCount(DataServiceModel oData)
{
try
{
Type oType = PocoHelper.GetTypeFromString(oData.TypeName);
object oReturn = DynamicAssembly.InvokeGenericMethod(oType, this, "GetDataAndRowCountLogic", oData);
return(oReturn);
}
catch
{
return(null);
}
}
public IQueryable <TEntity> GenerateGetDataQuery <TEntity>(DataServiceModel oDSM, bool recoredLevelControl) where TEntity : class
{
#region Get data
var DALContainer = new EFDALContainer();
//IQueryable<TEntity> query = LVHubsHelper.GetDataInHubs<TEntity>(DALContainer.Repository);
//if(query == null)
IQueryable <TEntity> query = DALContainer.Repository.GetQuery <TEntity>(oDSM.TableInclue);
if (!String.IsNullOrWhiteSpace(oDSM.PredicateFavorite))
{
query = query.Where(oDSM.PredicateFavorite);
}
if (!String.IsNullOrWhiteSpace(oDSM.Predicate))
{
if (oDSM.Predicate.IndexOf("Nullable_") >= 0)
{
Guid nullGuid = Guid.Parse(oDSM.DataValue[0].ToString());
query = query.Where(oDSM.Predicate.Replace("Nullable_", "") + ".Value.Equals(@0)", nullGuid);
}
else
{
query = query.Where(oDSM.Predicate, oDSM.DataValue);
}
}
if (!String.IsNullOrWhiteSpace(oDSM.PredicateQuickSearch) && oDSM.DataValueQuick != null)
{
query = query.Where(oDSM.PredicateQuickSearch, oDSM.DataValueQuick);
}
if (oDSM.Predicates != null && oDSM.DataValues != null)
{
for (int i = 0; i < oDSM.Predicates.Count; i++)
{
object[] oDataValue = null;
if (oDSM.DataValues.Count > i)
{
oDataValue = oDSM.DataValues[i];
}
query = query.Where(oDSM.Predicates[i], oDataValue);
}
}
#endregion
return(query);
}
public object[] GetDataPagingLogic <TEntity>(DataServiceModel oDSM) where TEntity : class
{
TEntity[] listData = new TEntity[0];
string entityName = typeof(TEntity).Name;
IQueryable <TEntity> query = GenerateGetDataQuery <TEntity>(oDSM, false);
query = GenerateSortOrder(query, oDSM.SortColumns, oDSM.SortDirections);
int total = query.Distinct().Count();
query = System.Linq.Queryable.Skip(query, oDSM.PageNum);
query = System.Linq.Queryable.Take(query, oDSM.PageSize);
listData = query
.Distinct()
.ToArray();
return(new object[] { listData, total });
}
public IList <TEntity> GetDataLogic <TEntity>(DataServiceModel oDSM) where TEntity : class
{
TEntity[] listData = new TEntity[0];
string entityName = typeof(TEntity).Name;
bool recoredLevelControl = false;
IQueryable <TEntity> query = GenerateGetDataQuery <TEntity>(oDSM, recoredLevelControl);
if (oDSM.IsPageLoading)
{
query = GenerateSortOrder(query, oDSM.SortColumns, oDSM.SortDirections);
query = System.Linq.Queryable.Skip(query, oDSM.PageNum);
query = System.Linq.Queryable.Take(query, oDSM.PageSize);
listData = query.Distinct().ToArray();
}
else
{
query = query.Distinct();
query = GenerateSortOrder(query, oDSM.SortColumns, oDSM.SortDirections);
listData = query.ToArray();
}
return(listData);
}
/// <summary>
/// Thực hiện việc lấy dữ liệu và đếm tổng số dòng trong bảng
/// </summary>
/// <typeparam name="TEntity"></typeparam>
/// <param name="oDSM"></param>
/// <returns></returns>
public object GetData(DataServiceModel oData)
{
Type oType = PocoHelper.GetTypeFromString(oData.TypeName);
return(DynamicAssembly.InvokeGenericMethod(oType, this, "GetDataLogic", oData));
}
