public LibraryContainer(IAuthorContainer authors, IBookContainer books, ICategoryContainer categories, IUserContainer users, IBorrowedContainer borrowed, ISettingsContainer settings)
{
this.authors = authors;
this.books = books;
this.categories = categories;
this.users = users;
this.borrowed = borrowed;
this.settings = settings;
}
public async Task ValidateAsync(ICategoryContainer сategoryContainer)
{
if (сategoryContainer == null)
{
throw new ArgumentNullException(nameof(сategoryContainer));
}
var Category = await this.GetAsync();
if (сategoryContainer.CategoryId.HasValue && Category == null)
{
throw new InvalidOperationException($"Category not found by id {сategoryContainer.CategoryId}");
}
}
private async Task <Category> GetBy(ICategoryContainer categoryContainer)
{
return(await this.CategoryDataAccess.GetByAsync(categoryContainer));
}
public async Task <Category> GetByAsync(ICategoryContainer category)
{
return(category.CategoryId.HasValue
? this.Mapper.Map <Category>(await this.Context.Category.FirstOrDefaultAsync(x => x.Id == category.CategoryId))
: null);
}
