using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using FreeSql;
using FreeSql.DataAnnotations;
using FreeSql.Extensions.EfCoreFluentApi;
using FreeSql.Internal.CommonProvider;
partial class FreeSqlDbContextExtensions
{
///
/// EFCore 95% 相似的 FluentApi 扩展方法
///
///
///
///
///
public static ICodeFirst Entity(this ICodeFirst codeFirst, Action> modelBuilder)
{
var cf = codeFirst as CodeFirstProvider;
codeFirst.ConfigEntity(tf => modelBuilder(new EfCoreTableFluent(cf._orm, tf)));
return codeFirst;
}
///
/// EFCore 95% 相似的 FluentApi 扩展方法
///
///
/// 实体类型
///
///
public static ICodeFirst Entity(this ICodeFirst codeFirst, Type entityType, Action modelBuilder)
{
var cf = codeFirst as CodeFirstProvider;
codeFirst.ConfigEntity(entityType, tf => modelBuilder(new EfCoreTableFluent(cf._orm, tf, entityType)));
return codeFirst;
}
public static void EfCoreFluentApiTestGeneric(IFreeSql fsql)
{
var cf = fsql.CodeFirst;
cf.Entity(eb =>
{
eb.ToTable("tb_song1");
eb.Ignore(a => a.Field1);
eb.Property(a => a.Title).HasColumnType("varchar(50)").IsRequired();
eb.Property(a => a.Url).HasMaxLength(100);
eb.Property(a => a.RowVersion).IsRowVersion();
eb.Property(a => a.CreateTime).HasDefaultValueSql("current_timestamp");
eb.HasKey(a => a.Id);
eb.HasIndex(a => a.Title).IsUnique().HasName("idx_tb_song1111");
//一对多、多对一
eb.HasOne(a => a.Type).HasForeignKey(a => a.TypeId).WithMany(a => a.Songs);
//多对多
eb.HasMany(a => a.Tags).WithMany(a => a.Songs, typeof(Song_tag));
});
cf.Entity(eb =>
{
eb.ToTable("tb_songtype1");
eb.HasMany(a => a.Songs).WithOne(a => a.Type).HasForeignKey(a => a.TypeId);
eb.HasData(new[]
{
new SongType
{
Id = 1,
Name = "流行",
Songs = new List(new[]
{
new Song{ Title = "真的爱你" },
new Song{ Title = "爱你一万年" },
})
},
new SongType
{
Id = 2,
Name = "乡村",
Songs = new List(new[]
{
new Song{ Title = "乡里乡亲" },
})
},
});
});
cf.SyncStructure();
cf.SyncStructure();
}
public static void EfCoreFluentApiTestDynamic(IFreeSql fsql)
{
var cf = fsql.CodeFirst;
cf.Entity(typeof(Song), eb =>
{
eb.ToTable("tb_song2");
eb.Ignore("Field1");
eb.Property("Title").HasColumnType("varchar(50)").IsRequired();
eb.Property("Url").HasMaxLength(100);
eb.Property("RowVersion").IsRowVersion();
eb.Property("CreateTime").HasDefaultValueSql("current_timestamp");
eb.HasKey("Id");
eb.HasIndex("Title").IsUnique().HasName("idx_tb_song2222");
//一对多、多对一
eb.HasOne("Type").HasForeignKey("TypeId").WithMany("Songs");
//多对多
eb.HasMany("Tags").WithMany("Songs", typeof(Song_tag));
});
cf.Entity(typeof(SongType), eb =>
{
eb.ToTable("tb_songtype2");
eb.HasMany("Songs").WithOne("Type").HasForeignKey("TypeId");
eb.HasData(new[]
{
new SongType
{
Id = 1,
Name = "流行",
Songs = new List(new[]
{
new Song{ Title = "真的爱你" },
new Song{ Title = "爱你一万年" },
})
},
new SongType
{
Id = 2,
Name = "乡村",
Songs = new List(new[]
{
new Song{ Title = "乡里乡亲" },
})
},
});
});
cf.SyncStructure();
cf.SyncStructure();
}
public class SongType
{
public int Id { get; set; }
public string Name { get; set; }
public List Songs { get; set; }
}
public class Song
{
[Column(IsIdentity = true)]
public int Id { get; set; }
public string Title { get; set; }
public string Url { get; set; }
public DateTime CreateTime { get; set; }
public int TypeId { get; set; }
public SongType Type { get; set; }
public List Tags { get; set; }
public int Field1 { get; set; }
public long RowVersion { get; set; }
}
public class Song_tag
{
public int Song_id { get; set; }
public Song Song { get; set; }
public int Tag_id { get; set; }
public Tag Tag { get; set; }
}
public class Tag
{
[Column(IsIdentity = true)]
public int Id { get; set; }
public string Name { get; set; }
public List Songs { get; set; }
}
}