public string ApplyFilter(IFilterDescriptor filter, string id)
{
var filters = string.Empty;
if (filter is CompositeFilterDescriptor)
{
filters += "(";
var compositeFilterDescriptor = (CompositeFilterDescriptor)filter;
foreach (IFilterDescriptor childFilter in compositeFilterDescriptor.FilterDescriptors)
{
filters += ApplyFilter(childFilter, id);
filters += string.Format(" {0} ", compositeFilterDescriptor.LogicalOperator.ToString());
}
}
else
{
string filterDescriptor = String.Empty;
var descriptor = (FilterDescriptor)filter;
string filterMember = descriptor.Member;
string filterValue = descriptor.Value.ToString().Replace("'", "''");
if (descriptor.Operator.ToString() == "IsContainedIn")
{
//string a = filterMember + " COLLATE Latin1_General_CS_AI ";
//filterMember = "dbo.fn_RemoveSignFromString(" + filterMember + ")";
filterMember = filterMember + " +'' COLLATE Latin1_General_CI_AI ";
filterValue = "(" + filterValue + ")";
}
if (descriptor.Operator.ToString() == "Contains")
{
//filterMember = "dbo.fn_RemoveSignFromString(" + filterMember + ")";
filterMember = filterMember + " +'' COLLATE Latin1_General_CI_AI ";
filterValue = "'%" + CustomModel.ConvertToUnsign(filterValue) + "%'";
}
DateTime temp;
switch (descriptor.Operator)
{
case FilterOperator.IsEqualTo:
filterDescriptor += String.Format("{0} = N'{1}'", id + "[" + filterMember + "]", filterValue);
break;
case FilterOperator.IsNotEqualTo:
filterDescriptor += String.Format("{0} <> N'{1}'", id + "[" + filterMember + "]", filterValue);
break;
case FilterOperator.StartsWith:
filterDescriptor += String.Format("{0} like N'{1}%'", id + "[" + filterMember + "]", filterValue);
break;
case FilterOperator.Contains:
//filterDescriptor += String.Format("{0} like N'%{1}%'", id + "[" + filterMember + "]", filterValue);
filterDescriptor += String.Format("{0} like {1}", id + filterMember, filterValue);
break;
case FilterOperator.IsContainedIn:
//filterDescriptor += String.Format("{0} like N'%{1}%'", id + "[" + filterMember + "]", filterValue);
filterDescriptor += String.Format("{0} in {1}", id + filterMember, filterValue);
break;
case FilterOperator.EndsWith:
filterDescriptor += String.Format("{0} like N'%{1}'", id + "[" + filterMember + "]", filterValue);
break;
case FilterOperator.IsLessThanOrEqualTo:
if (DateTime.TryParse(filterValue.ToString(), out temp))
{
filterDescriptor += String.Format("{0} <='{1}'", id + "[" + filterMember + "]", filterValue);
}
else
{
filterDescriptor += String.Format("{0} <={1}", id + "[" + filterMember + "]", filterValue);
}
break;
case FilterOperator.IsLessThan:
if (DateTime.TryParse(filterValue.ToString(), out temp))
{
filterDescriptor += String.Format("{0}<'{1}'", id + "[" + filterMember + "]", filterValue);
}
else
{
filterDescriptor += String.Format("{0}<{1}", id + "[" + filterMember + "]", filterValue);
}
break;
case FilterOperator.IsGreaterThanOrEqualTo:
if (DateTime.TryParse(filterValue.ToString(), out temp))
{
filterDescriptor += String.Format("{0}>='{1}'", id + "[" + filterMember + "]", filterValue);
}
else
{
filterDescriptor += String.Format("{0}>={1}", id + "[" + filterMember + "]", filterValue);
}
break;
case FilterOperator.IsGreaterThan:
if (DateTime.TryParse(filterValue.ToString(), out temp))
{
filterDescriptor += String.Format("{0}>'{1}'", id + "[" + filterMember + "]", filterValue);
}
else
{
filterDescriptor += String.Format("{0}>{1}", id + "[" + filterMember + "]", filterValue);
}
break;
}
filters = filterDescriptor;
}
filters = filters.EndsWith("And ") == true?string.Format("{0})", filters.Substring(0, filters.Length - 4)) : filters;
filters = filters.EndsWith("Or ") == true?string.Format("{0})", filters.Substring(0, filters.Length - 4)) : filters;
return(filters);
}
