EventConfiguration.cs

using Eventz.Domain.Entitites;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Eventz.Infrastructure.Configurations
{
    public class EventConfiguration : IEntityTypeConfiguration<Event>
    {
        public void Configure(EntityTypeBuilder<Event> builder)
        {
            builder.ToTable("Events");
            builder.HasKey(e => e.Id);
            builder.Property(e => e.Name)
                .IsRequired()
                .HasMaxLength(256);
            builder.Property(e => e.Description)
                .IsRequired()
                .HasMaxLength(256);
            builder.Property(e => e.StartDate).IsRequired();
            builder.Property(e => e.EndDate)
                .IsRequired();
            builder.Property(e => e.IsPublic).IsRequired().HasDefaultValue(false);
            builder.Property(e => e.CategoryId).IsRequired();
            builder.Property(e => e.CategoryId).IsRequired();

            //relations
            builder.HasOne(e => e.Venue)
                .WithMany(v => v.Events)
                .HasForeignKey(e => e.VenueId)
                .OnDelete(DeleteBehavior.Restrict);

            builder.HasOne(e => e.Category)
                .WithMany(v => v.Events)
                .HasForeignKey(e => e.CategoryId)
                .OnDelete(DeleteBehavior.Restrict);
        }
    }
}