public async Task <ActionResult <List <ItemDto> > > GetFilteredAsync([FromQuery] ItemFilterCriteria criteria, CancellationToken cancellationToken)
{
//Expression<Func<Item, bool>> filter = i => i.IsForSale;
var filterCriteria = new FilterCritiera <Item>(criteria.Field, criteria.Value);
var filter = filterCriteria.Filter(criteria.Operation);
var item = await _repo.GetFilteredSingleAsync(filter, cancellationToken);
if (item is null)
{
return(NotFound());
}
return(new List <ItemDto>()
{
item.MapDto()
});
}
// api/item/filtered?criteria[0].Field=Description&criteria[0].Operation=Contains&criteria[0].Value=er&criteria[1].Field=Name&criteria[1].Operation=Contains&criteria[1].Value=str
public async Task <ActionResult <List <ItemDto> > > GetFilteredAsync([FromQuery] List <ItemFilterCriteria> criteria, CancellationToken cancellationToken)
{
//Expression<Func<Item, bool>> filter = i => i.IsForSale;
List <Expression <Func <Item, bool> > > filters = new List <Expression <Func <Item, bool> > >();
foreach (var c in criteria)
{
var filterCriteria = new FilterCritiera <Item>(c.Field, c.Value);
filters.Add(filterCriteria.Filter(c.Operation));
}
//var filterCriteria = new FilterCritiera<Item>(criteria.Field, criteria.Value);
//var filter = filterCriteria.Filter(criteria.Operation);
List <Item> items = new List <Item>();
foreach (var f in filters)
{
var item = await _repo.GetFilteredSingleAsync(f, cancellationToken);
if (item is not null)
{
items.Add(item);
}
}
//filters.ForEach(async f => {
// var item = await _repo.GetFilteredSingleAsync(f, cancellationToken);
// if (item is not null)
// items.Add(item);
//});
//var item = await _repo.GetFilteredSingleAsync(filter, cancellationToken);
if (!items.Any())
{
return(NotFound());
}
return(items.Select(i => i.MapDto()).ToList());
}