Files
Operation-Blue-Laminate-v2/BlueLaminate/BlueLaminate.EFCore/Configurations/ListingConfiguration.cs
2026-06-01 10:52:06 -05:00

52 lines
2.1 KiB
C#

using BlueLaminate.EFCore.Entities;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
namespace BlueLaminate.EFCore.Configurations;
public class ListingConfiguration : IEntityTypeConfiguration<Listing>
{
public void Configure(EntityTypeBuilder<Listing> entity)
{
// CSFloat's listing id is the natural key; the incremental sweep upserts
// against it and must never create duplicates.
entity.HasIndex(e => e.CsFloatListingId).IsUnique();
entity.Property(e => e.Price).HasPrecision(18, 2);
// Full precision to match SkinInstance for exact fingerprint joins.
entity.Property(e => e.FloatValue).HasColumnType("numeric(20,18)");
// Store the enum as text so the DB is self-describing (matches the
// project's readable-data leaning over opaque ints).
entity.Property(e => e.Status).HasConversion<string>();
// The sweep filters/sorts by item identity and by what's still active.
entity.HasIndex(e => new { e.DefIndex, e.PaintIndex });
entity.HasIndex(e => e.Status);
// Best-effort catalogue link: a global sweep sees items we may not have,
// so the FK is optional and set null if the skin is later removed.
entity.HasOne(e => e.Skin)
.WithMany()
.HasForeignKey(e => e.SkinId)
.OnDelete(DeleteBehavior.SetNull);
// Wear band the sweep targeted (set directly from the sweep unit, not
// best-effort). Set null on delete so a condition row can change without
// blocking its listings — matching the cs.money/skin.land tables.
entity.HasOne(e => e.Condition)
.WithMany()
.HasForeignKey(e => e.ConditionId)
.OnDelete(DeleteBehavior.SetNull);
// Listings roll up to the physical item they represent.
entity.HasOne(e => e.SkinInstance)
.WithMany(i => i.Listings)
.HasForeignKey(e => e.SkinInstanceId)
.OnDelete(DeleteBehavior.SetNull);
// Dupe analysis groups a fingerprint's listings by asset id.
entity.HasIndex(e => e.AssetId);
}
}