40 lines
1.6 KiB
C#
40 lines
1.6 KiB
C#
using BlueLaminate.EFCore.Entities;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore.Metadata.Builders;
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namespace BlueLaminate.EFCore.Configurations;
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public class SkinLandListingConfiguration : IEntityTypeConfiguration<SkinLandListing>
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{
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public void Configure(EntityTypeBuilder<SkinLandListing> entity)
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{
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// skin.land's offer id is the natural key; ingest upserts against it and must
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// never create duplicates.
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entity.HasIndex(e => e.ListingId).IsUnique();
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entity.Property(e => e.Price).HasPrecision(18, 2);
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// Full precision (matches SkinInstance/cs.money) even though skin.land offers
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// aren't fingerprinted — keep the float lossless for later analysis.
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entity.Property(e => e.FloatValue).HasColumnType("numeric(20,18)");
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// Enum as text so the DB is self-describing (matches the project's leaning).
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entity.Property(e => e.Status).HasConversion<string>();
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// Targeted scrape: results are filtered/sorted by skin+wear and by activity.
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entity.HasIndex(e => new { e.SkinId, e.ConditionId });
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entity.HasIndex(e => e.Status);
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// Each job targets a known skin, so this link is required (Restrict: a skin with
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// live listings shouldn't be deleted out from under them).
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entity.HasOne(e => e.Skin)
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.WithMany()
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.HasForeignKey(e => e.SkinId)
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.OnDelete(DeleteBehavior.Restrict);
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entity.HasOne(e => e.Condition)
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.WithMany()
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.HasForeignKey(e => e.ConditionId)
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.OnDelete(DeleteBehavior.SetNull);
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}
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}
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