public BookBase(Book[] bs, String p)
{
//books = new Books();
//books.books = bs;
books = bs;
path = p;
if (!Save()) throw new ArgumentException();
}
/// <summary>
/// Проверяет удовлетворяет ли данная книга, некоторой маске
/// </summary>
/// <param name="mask">Маска</param>
public static bool likeMask(this Book b, Book mask)
{
bool result = ((b.title == mask.title) || (mask.title == "")) &&
((b.author == mask.author) || (mask.author == "")) &&
((Math.Abs(b.pages - mask.pages) < 10) || (mask.pages == 0)) &&
((b.price <= mask.price) || (mask.price == 0));
//&&((b.from.name == mask.from.name) || (mask.from.name == ""));
if (mask.tags == null) return result;
int i, j, count = 0;
for (i = 0; i < b.tags.Length; i++)
for (j = 0; j < mask.tags.Length; j++)
if (b.tags[i] == mask.tags[j]) count++;
result = result && (count == mask.tags.Length);
return result;
}
public void AddHistory(Book[] newBooks)
{
history.Add(newBooks);
}
/// <summary>
/// Конструктор события ответа на запрос
/// </summary>
/// <param name="ans">Потоко небезопасная передача ответа на запрос</param>
public QueryEventArgs(Book[] ans, int[] ids)
{
Answer = ans;
Indexes = ids;
}
public void OnQuery(Book mask)
{
if (AllBase==null) return;
List<Book> Result = new List<Book>();
List<int> Indexes = new List<int>();
/*
foreach (BookBase bb in AllBase)
{
Result.AddRange(
from b in bb.books.books
where b.likeMask(mask)
select b
);
}
*/
int ids = 0;
for (int i = 0; i < AllBase.Length; i++)
{
for (int j = 0; j < AllBase[i].books.Length; j++)
{
ids++;
if (AllBase[i].books[j].likeMask(mask))
{
Result.Add(AllBase[i].books[j]);
Indexes.Add(ids);
}
}
}
Query(this, new QueryEventArgs(Result.ToArray(), Indexes.ToArray()));
}
