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Upgrade (again) to EF Core 3.0

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This commit is contained in:
Robert McRackan 2019-10-07 22:12:43 -04:00
parent 1e57607a7d
commit b0fec23a51
21 changed files with 298 additions and 1889 deletions
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45
DataLayer/UNTESTED/Configurations/BookConfig.cs
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@ -17,31 +17,40 @@ namespace DataLayer.Configurations
//
entity.Ignore(nameof(Book.Authors));
entity.Ignore(nameof(Book.Narrators));
//// these don't seem to matter
//entity.Ignore(nameof(Book.AuthorNames));
//entity.Ignore(nameof(Book.NarratorNames));
//entity.Ignore(nameof(Book.HasPdfs));
//// these don't seem to matter
//entity.Ignore(nameof(Book.AuthorNames));
//entity.Ignore(nameof(Book.NarratorNames));
//entity.Ignore(nameof(Book.HasPdfs));
// OwnsMany: "Can only ever appear on navigation properties of other entity types.
// Are automatically loaded, and can only be tracked by a DbContext alongside their owner."
entity.OwnsMany(b => b.Supplements);
// OwnsMany: "Can only ever appear on navigation properties of other entity types.
// Are automatically loaded, and can only be tracked by a DbContext alongside their owner."
entity
.OwnsMany(b => b.Supplements, b_s =>
{
b_s.WithOwner(s => s.Book)
.HasForeignKey(s => s.BookId);
b_s.HasKey(s => s.SupplementId);
});
// even though it's owned, we need to map its backing field
entity
.Metadata
.FindNavigation(nameof(Book.Supplements))
.SetPropertyAccessMode(PropertyAccessMode.Field);
// owns it 1:1, but store in separate table
entity
.OwnsOne(b => b.UserDefinedItem, b_udi => b_udi.ToTable(nameof(Book.UserDefinedItem)));
// UserDefinedItem must link back to book so we know how to log changed tags.
// ie: when a tag changes, we need to get the parent book's product id
entity
.HasOne(b => b.UserDefinedItem)
.WithOne(udi => udi.Book)
.HasForeignKey<UserDefinedItem>(udi => udi.BookId);
// owns it 1:1, store in separate table
entity
.OwnsOne(b => b.UserDefinedItem, b_udi =>
{
b_udi.WithOwner(udi => udi.Book)
.HasForeignKey(udi => udi.BookId);
b_udi.Property(udi => udi.BookId).ValueGeneratedNever();
b_udi.ToTable(nameof(Book.UserDefinedItem));
entity
// owns it 1:1, store in same table
b_udi.OwnsOne(udi => udi.Rating);
});
entity
.Metadata
.FindNavigation(nameof(Book.ContributorsLink))
// PropertyAccessMode.Field : Contributions is a get-only property, not a field, so use its backing field
@ -57,6 +66,6 @@ namespace DataLayer.Configurations
.HasOne(b => b.Category)
.WithMany()
.HasForeignKey(b => b.CategoryId);
}
}
}
}