init efcore

BlueLaminate/BlueLaminate.EFCore/Configurations/PriceHistoryConfiguration.cs

@@ -0,0 +1,24 @@
+using BlueLaminate.EFCore.Entities;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace BlueLaminate.EFCore.Configurations;
+
+public class PriceHistoryConfiguration : IEntityTypeConfiguration<PriceHistory>
+{
+    public void Configure(EntityTypeBuilder<PriceHistory> entity)
+    {
+        entity.Property(e => e.Price).HasPrecision(18, 2);
+
+        entity.HasIndex(e => new { e.SkinId, e.ConditionId, e.RecordedAt });
+
+        entity.HasOne(e => e.Skin)
+            .WithMany(s => s.PriceHistories)
+            .HasForeignKey(e => e.SkinId);
+
+        entity.HasOne(e => e.Condition)
+            .WithMany(c => c.PriceHistories)
+            .HasForeignKey(e => e.ConditionId)
+            .OnDelete(DeleteBehavior.Restrict);
+    }
+}