public DataResult DataOperationInvoke <T>(
IEnumerable DataSource,
DataManagerRequest queries)
{
DataResult dataResult = new DataResult();
if (DataSource == null || DataSource.Cast <object>().Count <object>() == 0)
{
dataResult.Result = DataSource;
return(dataResult);
}
if (!(DataSource.GetType() == typeof(List <ExpandoObject>)) && !(DataSource.GetElementType() == typeof(ExpandoObject)))
{
Type type = typeof(IDynamicMetaObjectProvider);
Type elementType = DataSource.GetElementType();
Type c = (object)elementType != null ? elementType.BaseType : (Type)null;
if (!type.IsAssignableFrom(c))
{
List <WhereFilter> where = queries.Where;
List <SearchFilter> search = queries.Search;
List <Sort> sorted = queries.Sorted;
}
}
DataSource = DynamicObjectOperation.PerformDataOperations(DataSource, queries);
dataResult.Count = DataSource.Cast <object>().Count <object>();
IEnumerable jsonData = DataSource;
if (queries.Skip != 0)
{
DataSource = DataOperations.PerformSkip(DataSource, queries.Skip);
}
if (queries.Take != 0)
{
DataSource = DataOperations.PerformTake(DataSource, queries.Take);
}
if (queries.IdMapping != null && queries.Where != null)
{
DataSource = this.CollectChildRecords(DataSource, queries);
}
List <Aggregate> aggregates = queries.Aggregates;
List <string> group = queries.Group;
if (group != null && queries.ServerSideGroup)
{
foreach (string field in queries.Group)
{
DataSource = DataUtil.Group <T>(DataSource, field, queries.Aggregates, 0, queries.GroupByFormatter);
}
dataResult.Result = DataSource;
}
else
{
dataResult.Result = (IEnumerable)DataSource.Cast <object>().ToList <object>();
}
return(dataResult);
}
public IEnumerable CollectChildRecords(IEnumerable datasource, DataManagerRequest dm)
{
IEnumerable enumerable1 = (IEnumerable)SfBaseUtils.ChangeType((object)datasource, datasource.GetType());
string idMapping = dm.IdMapping;
object[] objArray = new object[0];
if (enumerable1.GetType() == typeof(List <ExpandoObject>) || enumerable1.GetElementType() == typeof(ExpandoObject))
{
foreach (IDictionary <string, object> dictionary in datasource.Cast <ExpandoObject>().ToList <ExpandoObject>())
{
object obj = dictionary[idMapping];
objArray = ((IEnumerable <object>)objArray).Concat <object>((IEnumerable <object>) new object[1]
{
obj
}).ToArray <object>();
}
}
else
{
foreach (object obj1 in datasource)
{
object obj2 = obj1.GetType().GetProperty(idMapping).GetValue(obj1);
objArray = ((IEnumerable <object>)objArray).Concat <object>((IEnumerable <object>) new object[1]
{
obj2
}).ToArray <object>();
}
}
IEnumerable enumerable2 = (IEnumerable)null;
foreach (object obj in objArray)
{
dm.Where[0].value = obj;
IEnumerable enumerable3 = enumerable1.GetType() == typeof(List <ExpandoObject>) || enumerable1.GetElementType() == typeof(ExpandoObject) ? (IEnumerable)DynamicObjectOperation.PerformFiltering(enumerable1, dm.Where, dm.Where[0].Operator) : DataOperations.PerformFiltering(enumerable1, dm.Where, dm.Where[0].Operator);
enumerable2 = enumerable2 == null || enumerable2.AsQueryable().Count() == 0 ? enumerable3 : (IEnumerable)((IEnumerable <object>)enumerable2).Concat <object>((IEnumerable <object>)enumerable3);
}
if (enumerable2 != null)
{
IEnumerable enumerable3 = this.CollectChildRecords(enumerable2, dm);
if (dm.Sorted != null && dm.Sorted.Count > 0)
{
enumerable3 = enumerable1.GetType() == typeof(List <ExpandoObject>) || enumerable1.GetElementType() == typeof(ExpandoObject) ? (IEnumerable)DynamicObjectOperation.PerformSorting(enumerable3.AsQueryable(), dm.Sorted) : DataOperations.PerformSorting(enumerable3, dm.Sorted);
}
datasource = (IEnumerable)((IEnumerable <object>)datasource).Concat <object>((IEnumerable <object>)enumerable3);
}
return(datasource);
}
public static Func <IEnumerable, string, string, object> CalculateAggregateFunc() => (Func <IEnumerable, string, string, object>)((items, property, pd) =>
{
string str = pd;
IQueryable source1 = items.AsQueryable();
bool flag1 = items.Cast <object>().ToList <object>()[0].GetType().BaseType == typeof(DynamicObject);
bool flag2 = items.Cast <object>().ToList <object>()[0].GetType() == typeof(ExpandoObject);
if (flag1 | flag2)
{
IQueryable <IDynamicMetaObjectProvider> source2 = items.Cast <IDynamicMetaObjectProvider>().AsQueryable <IDynamicMetaObjectProvider>();
switch (str)
{
case "Average":
if (flag1)
{
return((object)source2.Select <IDynamicMetaObjectProvider, object>((Expression <Func <IDynamicMetaObjectProvider, object> >)(item => DataUtil.GetDynamicValue(item as DynamicObject, property))).ToList <object>().Average <object>((Func <object, double>)(value => Convert.ToDouble(value))));
}
return((object)source2.Select <IDynamicMetaObjectProvider, object>((Expression <Func <IDynamicMetaObjectProvider, object> >)(item => DataUtil.GetExpandoValue(item as ExpandoObject, property))).ToList <object>().Average <object>((Func <object, double>)(value => Convert.ToDouble(value))));
case "Count":
return((object)source2.Count());
case "FalseCount":
List <WhereFilter> whereFilter1 = new List <WhereFilter>()
{
new WhereFilter()
{
Field = property,
Operator = "equal",
value = (object)false
}
};
return((object)DynamicObjectOperation.PerformFiltering(items, whereFilter1, (string)null).Count());
case "Max":
if (flag1)
{
return(source2.Max <IDynamicMetaObjectProvider, object>((Expression <Func <IDynamicMetaObjectProvider, object> >)(item => DataUtil.GetDynamicValue(item as DynamicObject, property))));
}
return(source2.Max <IDynamicMetaObjectProvider, object>((Expression <Func <IDynamicMetaObjectProvider, object> >)(item => DataUtil.GetExpandoValue(item as ExpandoObject, property))));
case "Min":
if (flag1)
{
return(source2.Min <IDynamicMetaObjectProvider, object>((Expression <Func <IDynamicMetaObjectProvider, object> >)(item => DataUtil.GetDynamicValue(item as DynamicObject, property))));
}
return(source2.Min <IDynamicMetaObjectProvider, object>((Expression <Func <IDynamicMetaObjectProvider, object> >)(item => DataUtil.GetExpandoValue(item as ExpandoObject, property))));
case "Sum":
if (flag1)
{
return((object)source2.Select <IDynamicMetaObjectProvider, object>((Expression <Func <IDynamicMetaObjectProvider, object> >)(item => DataUtil.GetDynamicValue(item as DynamicObject, property))).ToList <object>().Sum <object>((Func <object, double>)(value => Convert.ToDouble(value))));
}
return((object)source2.Select <IDynamicMetaObjectProvider, object>((Expression <Func <IDynamicMetaObjectProvider, object> >)(item => DataUtil.GetExpandoValue(item as ExpandoObject, property))).ToList <object>().Sum <object>((Func <object, double>)(value => Convert.ToDouble(value))));
case "TrueCount":
List <WhereFilter> whereFilter2 = new List <WhereFilter>()
{
new WhereFilter()
{
Field = property,
Operator = "equal",
value = (object)true
}
};
return((object)DynamicObjectOperation.PerformFiltering(items, whereFilter2, (string)null).Count());
default:
return((object)null);
}
}
else
{
switch (str)
{
case "Average":
return(source1.Average(property));
case "Count":
return((object)source1.Count());
case "FalseCount":
return((object)source1.Where(property, (object)false, FilterType.Equals, false).Count());
case "Max":
return(source1.Max(property));
case "Min":
return(source1.Min(property));
case "Sum":
return(source1.Sum(property));
case "TrueCount":
return((object)source1.Where(property, (object)true, FilterType.Equals, false).Count());
default:
return((object)null);
}
}
});
