using System; using System.ComponentModel.DataAnnotations.Schema; using Microsoft.EntityFrameworkCore; namespace ASC.Core.Common.EF.Model { [Table("feed_users")] public class FeedUsers { public string FeedId { get; set; } public Guid UserId { get; set; } } public static class FeedUsersExtension { public static ModelBuilder AddFeedUsers(this ModelBuilder modelBuilder) { modelBuilder.Entity() .HasKey(c => new { c.FeedId, c.UserId }); return modelBuilder; } } }