public async Task <IEnumerable <ProductViewModel> > GetProductsAsync(IProductCallback productCallback = null)
{
var productsDto = await _marketplaceApi.GetProductsAsync();
var favorites = await _favoriteDAO.GetAllAsync();
var viewModelCollection = productsDto.Select(p =>
ProductMappings.FromDtoToViewModel.ProjectWith((vm) => CustomProjection(vm, productCallback, favorites), p));
return(viewModelCollection);
}
public async Task <IEnumerable <CategoryViewModel> > GetCategoriesAsync(IProductCallback productCallback = null)
{
var categoryDtoCollection = await _marketplaceApi.GetCategoriesAsync();
var categoryCollection = categoryDtoCollection.Select(c => CategoryMappings.FromDtoToViewModel.Project(c));
var productColletion = await GetProductsAsync(productCallback);
var offerDtoCollecion = await _marketplaceApi.GetOffersAsync();
categoryCollection = categoryCollection.Foreach(c =>
ComplementViewModel(c, productColletion, offerDtoCollecion));
return(categoryCollection);
}
private static ProductViewModel CustomProjection(ProductViewModel vm,
IProductCallback productCallback, IEnumerable <Favorite> favorites)
{
vm.IsFavorite = favorites.Any(f => f.Id == vm.Id);
return(vm.RegisterCallback(productCallback));
}
