feat(repo): cosmetic catalog id enumerations on ICollectionRepository

SVSim.Database/Repositories/Collectibles/CollectionRepository.cs

@@ -16,4 +16,16 @@ public class CollectionRepository : ICollectionRepository
     {
         return await _dbContext.Set<LeaderSkinEntry>().AsNoTracking().Include(skin => skin.Class).ToListAsync();
     }
+
+    public Task<List<int>> GetAllSleeveIds() =>
+        _dbContext.Set<SleeveEntry>().AsNoTracking().Select(s => s.Id).ToListAsync();
+
+    public Task<List<int>> GetAllEmblemIds() =>
+        _dbContext.Set<EmblemEntry>().AsNoTracking().Select(e => e.Id).ToListAsync();
+
+    public Task<List<int>> GetAllDegreeIds() =>
+        _dbContext.Set<DegreeEntry>().AsNoTracking().Select(d => d.Id).ToListAsync();
+
+    public Task<List<int>> GetAllMyPageBackgroundIds() =>
+        _dbContext.Set<MyPageBackgroundEntry>().AsNoTracking().Select(m => m.Id).ToListAsync();
 }

SVSim.Database/Repositories/Collectibles/ICollectionRepository.cs

@@ -5,4 +5,8 @@ namespace SVSim.Database.Repositories.Collectibles;
 public interface ICollectionRepository
 {
     Task<List<LeaderSkinEntry>> GetLeaderSkins();
+    Task<List<int>> GetAllSleeveIds();
+    Task<List<int>> GetAllEmblemIds();
+    Task<List<int>> GetAllDegreeIds();
+    Task<List<int>> GetAllMyPageBackgroundIds();
 }

SVSim.UnitTests/Repositories/CollectionRepositoryTests.cs

@@ -0,0 +1,28 @@
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using SVSim.Database;
+using SVSim.Database.Models;
+using SVSim.Database.Repositories.Collectibles;
+using SVSim.UnitTests.Infrastructure;
+
+namespace SVSim.UnitTests.Repositories;
+
+public class CollectionRepositoryTests
+{
+    [Test]
+    public async Task GetAllSleeveIds_returns_every_master_sleeve()
+    {
+        using var factory = new SVSimTestFactory();
+        await factory.SeedGlobalsAsync();
+        using var scope = factory.Services.CreateScope();
+        var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+        db.Sleeves.Add(new SleeveEntry { Id = 123456 });
+        await db.SaveChangesAsync();
+
+        var repo = new CollectionRepository(db);
+        var ids = await repo.GetAllSleeveIds();
+
+        Assert.That(ids, Does.Contain(123456));
+        Assert.That(ids.Count, Is.EqualTo(await db.Sleeves.CountAsync()));
+    }
+}