private IQueryable <Product> Filter(IQueryable <Product> products, GetProductsQuery request)
{
return(products.Where(p =>
(request.Id == null || request.Id == p.Id) &&
(string.IsNullOrEmpty(request.Name) || EF.Functions.ILike(p.Name, $"%{request.Name}%")) &&
(request.ProductType == null || request.ProductType == p.ProductType) &&
(request.DeliveryDate == null || request.DeliveryDate.From == null ||
request.DeliveryDate.From.Value <= p.DeliveryDate) &&
(request.DeliveryDate == null || request.DeliveryDate.To == null ||
p.DeliveryDate <= request.DeliveryDate.To.Value) &&
(request.MaterialName == null ||
p.Materials.Any(m => EF.Functions.ILike(m.Name, $"%{request.MaterialName}%")))));
}
public async Task <TotalList <ProductVm> > Handle(GetProductsQuery request, CancellationToken cancellationToken)
{
var query = _context.Products.AsQueryable();
query = Filter(query, request);
var total = await query.CountAsync(cancellationToken);
query = Sort(query, request.Sorts());
query = SkipTake(query, request);
var products = await query
.ProjectTo <ProductVm>(_mapper.ConfigurationProvider)
.ToListAsync(cancellationToken);
return(new TotalList <ProductVm>(products, total));
}
public async Task <List <ProductDto> > Handle(GetProductsQuery request, CancellationToken cancellationToken)
{
return(await context.Products.Where(p => string.IsNullOrEmpty(request.Name)?true : p.Name.Contains(request.Name)).ProjectTo <ProductDto>(mapper.ConfigurationProvider).ToListAsync());
}