public async Task <ManufacturerViewModel> Handle(StoreManufacturerCommand request, CancellationToken cancellationToken)
{
var anyManufacturers = _context.Set <Manufacturer>().Any(x => x.Name == request.ManufacturerDto.Name);
if (anyManufacturers)
{
throw new DuplicateNameException();
}
var validator = new StoreManufacturerCommandValidator();
await validator.ValidateAndThrowAsync(request, cancellationToken : cancellationToken);
var mappedManufacturer = _mapper.Map <Manufacturer>(request.ManufacturerDto);
await _context.AddAsync(mappedManufacturer, cancellationToken);
await _context.SaveChangesAsync(cancellationToken);
return(new ManufacturerViewModel
{
Id = mappedManufacturer.Id,
Name = request.ManufacturerDto.Name,
Description = request.ManufacturerDto.Description,
});
}
public async Task <PaginatedItems <CategoryViewModel> > Handle(GetCategoriesQuery request,
CancellationToken cancellationToken)
{
var products = _context.Set <Category>().AsQueryable();
var productsMapped = _mapper.ProjectTo <CategoryViewModel>(products);
var paginatedProducts =
PaginatedItems <CategoryViewModel> .Create(request.PageIndex,
request.PageSize, productsMapped);
await Task.CompletedTask;
return(paginatedProducts);
}
public SystemParameter Save(SystemParameter entity)
{
if (entity.Id == 0)
{
db.SystemParameters.Add(entity);
db.SaveChanges();
}
else
{
db.Set <SystemParameter>().Attach(entity);
db.Entry(entity).State = EntityState.Modified;
db.SaveChanges();
}
return(entity);
}
public async Task <SmartProductViewModel> Handle(GetProductQuery request, CancellationToken cancellationToken)
{
var products = await _context.Set <Product>()
.Include(x => x.Category)
.Include(x => x.Manufacturer)
.AsNoTracking()
.FirstOrDefaultAsync(x => x.Id == request.Id,
cancellationToken: cancellationToken);
if (products is null)
{
throw new ObjectNotFoundException();
}
var productsMapped = _mapper.Map <SmartProductViewModel>(products);
return(productsMapped);
}
public async Task <PaginatedItems <SmartProductViewModel> > Handle(GetProductsListQuery request,
CancellationToken cancellationToken)
{
var products = _context.Set <Product>()
.Include(x => x.Category)
.Include(x => x.Manufacturer)
.AsNoTracking()
.AsQueryable();
products = new ProductsQueryBuilder(products)
.FilterByPrice(request.Price)
.FilterByStockQuantity(request.StockQuantity)
.Build();
var productsMapped = _mapper.ProjectTo <SmartProductViewModel>(products);
var paginatedProducts =
PaginatedItems <SmartProductViewModel> .Create(request.PageIndex, request.PageSize,
productsMapped);
await Task.CompletedTask;
return(paginatedProducts);
}
