Kavita/API/Entities/Metadata/SeriesRelation.cs

using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;
using API.Entities.Enums;

namespace API.Entities.Metadata;

/// <summary>
/// A relation flows between one series and another.
/// Series ---kind---> target
/// </summary>
public class SeriesRelation
{
    public int Id { get; set; }
    public RelationKind RelationKind { get; set; }

    public virtual Series TargetSeries { get; set; }
    /// <summary>
    /// A is Sequel to B. In this example, TargetSeries is A. B will hold the foreign key.
    /// </summary>
    public int TargetSeriesId { get; set; }

    // Relationships
    public virtual Series Series { get; set; }
    public int SeriesId { get; set; }
}