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NoTracking() to simplify confusing EF Core state. Tracking is now only used during mass import, not in UI

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This commit is contained in:
Robert McRackan 2021-07-28 14:51:35 -04:00
parent 3c1db55a95
commit 85c18c8334
9 changed files with 31 additions and 28 deletions
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25
DataLayer/QueryObjects/LibraryQueries.cs
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@ -6,25 +6,31 @@ namespace DataLayer
{
public static class LibraryQueries
{
public static List<LibraryBook> GetLibrary_Flat_WithTracking(this LibationContext context)
=> context
.Library
.GetLibrary()
.ToList();
//// tracking is a bad idea for main grid. it prevents anything else from updating entities unless getting them from the grid
//public static List<LibraryBook> GetLibrary_Flat_WithTracking(this LibationContext context)
// => context
// .Library
// .GetLibrary()
// .ToList();
public static List<LibraryBook> GetLibrary_Flat_NoTracking(this LibationContext context)
=> context
.Library
.AsNoTracking()
.AsNoTrackingWithIdentityResolution()
.GetLibrary()
.ToList();
public static LibraryBook GetLibraryBook_Flat_NoTracking(this LibationContext context, string productId)
=> context
.Library
.AsNoTracking()
.AsNoTrackingWithIdentityResolution()
.GetLibraryBook(productId);
public static LibraryBook GetLibraryBook(this IQueryable<LibraryBook> library, string productId)
=> library
.GetLibrary()
.SingleOrDefault(lb => lb.Book.AudibleProductId == productId);
/// <summary>This is still IQueryable. YOU MUST CALL ToList() YOURSELF</summary>
public static IQueryable<LibraryBook> GetLibrary(this IQueryable<LibraryBook> library)
=> library
@ -32,10 +38,5 @@ namespace DataLayer
.Include(le => le.Book).ThenInclude(b => b.SeriesLink).ThenInclude(sb => sb.Series)
.Include(le => le.Book).ThenInclude(b => b.ContributorsLink).ThenInclude(c => c.Contributor)
.Include(le => le.Book).ThenInclude(b => b.Category).ThenInclude(c => c.ParentCategory);
public static LibraryBook GetLibraryBook(this IQueryable<LibraryBook> library, string productId)
=> library
.GetLibrary()
.SingleOrDefault(le => le.Book.AudibleProductId == productId);
}
}