public Expression <Func <TEntity, bool> > BuildExpression(FilterRequest filterRequest, Dictionary <string, string> filterMaps)
{
// If no sortby field is supplied, use the default.
if (filterRequest == null)
{
return(null);
}
var filter = new Builder.Filter <TEntity>();
foreach (var filterDetail in filterRequest.Filters)
{
// For multi-values filter
FilterStatementConnector connectLogic = filterRequest.Logic == "or" ? FilterStatementConnector.Or : FilterStatementConnector.And;
if (filterDetail.Field == "Deleted")
{
connectLogic = FilterStatementConnector.And;
}
filter.By(filterDetail.Field, this.OperationDictionary[filterDetail.Operator], filterDetail.Value, connectLogic);
}
return(filter.BuildExpression());
}
public Filter(FilterRequest filterRequest, Dictionary <string, string> filterMaps = null)
{
Expression = BuildExpression(filterRequest, filterMaps);
}