internal IQueryable <TEntity> Apply(IQueryable <TEntity> query, SearchModel searchModel)
{
if (searchModel.AdvancedFilterModels == null || searchModel.AdvancedFilterModels.Count <= 0)
{
return(query);
}
var accessExpresion = Expression.Parameter(typeof(TEntity), "x");
var filterPredicates = new List <FilterPredicate>();
var textualFilter = new TextualFilter <TEntity>();
var dateFilter = new DateFilter <TEntity>();
var booleanFilter = new BooleanFilter <TEntity>();
var numberFilter = new NumberFilter <TEntity>();
foreach (var filter in searchModel.AdvancedFilterModels)
{
switch (filter.Type)
{
case CellDataType.Date:
var filterPredicate = dateFilter.GetPredicateExpression(query, filter, accessExpresion);
filterPredicates.Add(filterPredicate);
break;
case CellDataType.Text:
var filterPredicate1 = textualFilter.GetPredicateExpression(query, filter, accessExpresion);
filterPredicates.Add(filterPredicate1);
break;
case CellDataType.Number:
var filterPredicate2 = numberFilter.GetPredicateExpression(query, filter, accessExpresion);
filterPredicates.Add(filterPredicate2);
break;
case CellDataType.Bool:
var filterPredicate3 = booleanFilter.GetPredicateExpression(query, filter, accessExpresion);
filterPredicates.Add(filterPredicate3);
break;
case CellDataType.None:
break;
default:
throw new ArgumentOutOfRangeException();
}
}
query = textualFilter.BuildFilterExpression(query, filterPredicates, accessExpresion);
return(query);
}
