82 lines
3.5 KiB
C#
82 lines
3.5 KiB
C#
using System;
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using System.Linq;
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using Microsoft.Data.Entity;
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using Microsoft.Data.Entity.Metadata;
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using Microsoft.Framework.OptionsModel;
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namespace MusicStore.Models
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{
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public class MusicStoreContext : DbContext
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{
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public MusicStoreContext(IServiceProvider serviceProvider, IOptions<MusicStoreDbContextOptions> optionsAccessor)
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: base(serviceProvider, optionsAccessor.Options)
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{
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}
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public DbSet<Album> Albums { get; set; }
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public DbSet<Artist> Artists { get; set; }
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public DbSet<Order> Orders { get; set; }
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public DbSet<Genre> Genres { get; set; }
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public DbSet<CartItem> CartItems { get; set; }
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public DbSet<OrderDetail> OrderDetails { get; set; }
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protected override void OnModelCreating(ModelBuilder builder)
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{
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// TODO: All this configuration needs to be done manually right now.
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// We can remove this once EF supports the conventions again.
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builder.Entity<Album>().ToTable("Albums");
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builder.Entity<Artist>().ToTable("Artists");
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builder.Entity<Order>().ToTable("Orders");
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builder.Entity<Genre>().ToTable("Genres");
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builder.Entity<CartItem>().ToTable("CartItems");
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builder.Entity<OrderDetail>().ToTable("OrderDetails");
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builder.Entity<Album>().Key(a => a.AlbumId);
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builder.Entity<Artist>().Key(a => a.ArtistId);
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builder.Entity<Order>(
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b =>
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{
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b.Key(o => o.OrderId);
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b.Property(o => o.OrderId)
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.ColumnName("[Order]");
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});
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builder.Entity<Genre>().Key(g => g.GenreId);
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builder.Entity<CartItem>().Key(ci => ci.CartItemId);
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builder.Entity<OrderDetail>().Key(od => od.OrderDetailId);
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// TODO: Remove this when we start using auto generated values
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builder.Entity<Artist>().Property(a => a.ArtistId).GenerateValuesOnAdd(generateValues: false);
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builder.Entity<Album>().Property(a => a.ArtistId).GenerateValuesOnAdd(generateValues: false);
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builder.Entity<Genre>().Property(g => g.GenreId).GenerateValuesOnAdd(generateValues: false);
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builder.Entity<Album>(b =>
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{
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b.ForeignKey<Genre>(a => a.GenreId);
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b.ForeignKey<Artist>(a => a.ArtistId);
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});
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builder.Entity<OrderDetail>(b =>
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{
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b.ForeignKey<Album>(a => a.AlbumId);
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b.ForeignKey<Order>(a => a.OrderId);
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});
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var genre = builder.Model.GetEntityType(typeof(Genre));
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var album = builder.Model.GetEntityType(typeof(Album));
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var artist = builder.Model.GetEntityType(typeof(Artist));
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var orderDetail = builder.Model.GetEntityType(typeof(OrderDetail));
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genre.AddNavigation("Albums", album.ForeignKeys.Single(k => k.ReferencedEntityType == genre), pointsToPrincipal: false);
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album.AddNavigation("OrderDetails", orderDetail.ForeignKeys.Single(k => k.ReferencedEntityType == album), pointsToPrincipal: false);
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album.AddNavigation("Genre", album.ForeignKeys.Single(k => k.ReferencedEntityType == genre), pointsToPrincipal: true);
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album.AddNavigation("Artist", album.ForeignKeys.Single(k => k.ReferencedEntityType == artist), pointsToPrincipal: true);
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}
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}
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public class MusicStoreDbContextOptions : DbContextOptions
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{
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}
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} |