public static BookCatalogFilter WithEndDate(this BookCatalogFilter filter, DateTime date)
{
filter.SetDateEnd(date);
return(filter);
}
public static BookCatalogFilter WithIsbn(this BookCatalogFilter filter, string isbn)
{
filter.Isbn = isbn;
return(filter);
}
public static BookCatalogFilter WithLoanability(this BookCatalogFilter filter, bool canLoan)
{
filter.Loanable = canLoan;
return(filter);
}
public static BookCatalogFilter WithTitle(this BookCatalogFilter filter, string title)
{
filter.Title = title;
return(filter);
}
public static BookCatalogFilter WithSubject(this BookCatalogFilter filter, string subject)
{
filter.Subject = subject;
return(filter);
}
public static BookCatalogFilter WithAuthor(this BookCatalogFilter filter, string author)
{
filter.Author = author;
return(filter);
}
public async Task <IEnumerable <Book> > GetPagedBooks(int pageId, int pageSize, BookCatalogFilter filter)
{
if (pageId < 0)
{
throw new ArgumentException("Page id cannot be null.");
}
if (pageSize < 1)
{
throw new ArgumentException("Page size has to be greater than 0.");
}
if (filter == null)
{
throw new ArgumentNullException($"Filter cannot be null.");
}
var filterMap = _filterMapper.Map(filter);
if (filterMap == null)
{
throw new NullReferenceException("Filter map cannot be null.");
}
var catalogueItemMaps = await _access.SearchCatalogue(pageId, pageSize, filterMap);
if (catalogueItemMaps == null)
{
throw new NullReferenceException("Catalogue item maps cannot be null.");
}
return(catalogueItemMaps.Select(catalogueItemMap => _bookCatalogueMapper.Unmap(catalogueItemMap)).ToList());
}
