public override void Configure(EntityTypeBuilder <EventEntity> builder)
{
base.Configure(builder);
builder.Property(e => e.Name)
.IsRequired()
.HasMaxLength(100);
builder.Property(e => e.Description)
.IsRequired(false)
.HasMaxLength(500);
builder.Property(e => e.EndDate).IsRequired(false);
builder.Property(e => e.StartDate).IsRequired(false);
builder.Property(e => e.OrganizerId).IsRequired(false);
builder.Property(e => e.RoomId).IsRequired(false);
builder.Ignore(e => e.Duration);
builder.Property(p => p.EventType)
.HasConversion(
p => p.Value,
p => EventType.FromValue(p))
.IsRequired();
builder.HasOne(e => e.Room)
.WithMany(e => e.Events)
.HasForeignKey(e => e.RoomId);
}