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Libary import got a complete overhaul. On a library of 1,200 titles: initial scan is 80-85% faster. Subsequent imports are 60-70% faster

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This commit is contained in:
Robert McRackan 2022-04-29 16:35:49 -04:00
parent 7c144b8277
commit 878a5dd36c
20 changed files with 227 additions and 196 deletions
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3
DataLayer/QueryObjects/BookQueries.cs
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@ -19,7 +19,8 @@ namespace DataLayer
public static Book GetBook(this IQueryable<Book> books, string productId)
=> books
.GetBooks()
.SingleOrDefault(b => b.AudibleProductId == productId);
// 'Single' is more accurate but 'First' is faster and less error prone
.FirstOrDefault(b => b.AudibleProductId == productId);
/// <summary>This is still IQueryable. YOU MUST CALL ToList() YOURSELF</summary>
public static IQueryable<Book> GetBooks(this IQueryable<Book> books, Expression<Func<Book, bool>> predicate)