Govor/Govor.Data/Configurations/FriendshipConfiguration.cs

using Govor.Core.Models;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;

namespace Govor.Data.Configurations;

public class FriendshipConfiguration : IEntityTypeConfiguration<Friendship>
{
    public void Configure(EntityTypeBuilder<Friendship> builder)
    {
        builder.HasKey(f => f.Id);
        
        builder.HasOne(f => f.Requester)
            .WithMany(u => u.SentFriendRequests)
            .HasForeignKey(f => f.RequesterId)
            .OnDelete(DeleteBehavior.Restrict);

        builder.HasOne(f => f.Addressee)
            .WithMany(u => u.ReceivedFriendRequests)
            .HasForeignKey(f => f.AddresseeId)
            .OnDelete(DeleteBehavior.Restrict);

        builder.Property(f => f.Status)
            .IsRequired();
    }
}