feat(pack): /pack/get_gacha_point_rewards endpoint

SVSim.EmulatedEntrypoint/Controllers/PackController.cs

@@ -28,6 +28,7 @@ public class PackController : SVSimController
     private readonly IRandom _rng;
     private readonly SVSimDbContext _db;
     private readonly ICardAcquisitionService _acquisition;
+    private readonly IGachaPointService _gachaPoint;
 
     public PackController(
         IPackRepository packs,
@@ -35,7 +36,8 @@ public class PackController : SVSimController
         ICardPoolProvider pools,
         IRandom rng,
         SVSimDbContext db,
-        ICardAcquisitionService acquisition)
+        ICardAcquisitionService acquisition,
+        IGachaPointService gachaPoint)
     {
         _packs = packs;
         _opener = opener;
@@ -43,6 +45,7 @@ public class PackController : SVSimController
         _rng = rng;
         _db = db;
         _acquisition = acquisition;
+        _gachaPoint = gachaPoint;
     }
 
     [HttpPost("info")]
@@ -146,6 +149,20 @@ public class PackController : SVSimController
         };
     }
 
+    [HttpPost("get_gacha_point_rewards")]
+    public async Task<ActionResult<GetGachaPointRewardsResponse>> GetGachaPointRewards(
+        GetGachaPointRewardsRequest request)
+    {
+        if (!TryGetViewerId(out long viewerId)) return Unauthorized();
+
+        var rewards = await _gachaPoint.GetRewardsAsync(request.ParentGachaId, viewerId);
+
+        return new GetGachaPointRewardsResponse
+        {
+            GachaPointRewards = rewards.ToList(),
+        };
+    }
+
     [HttpPost("open")]
     [HttpPost("/tutorial/pack_open")]
     public async Task<ActionResult<PackOpenResponse>> Open(PackOpenRequest request)

SVSim.UnitTests/Controllers/PackControllerGachaPointTests.cs

@@ -0,0 +1,115 @@
+using System.Net;
+using System.Text;
+using System.Text.Json;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.DependencyInjection;
+using NUnit.Framework;
+using SVSim.Database;
+using SVSim.Database.Enums;
+using SVSim.Database.Models;
+using SVSim.UnitTests.Infrastructure;
+
+namespace SVSim.UnitTests.Controllers;
+
+public class PackControllerGachaPointTests
+{
+    private static StringContent JsonBody(string json) =>
+        new(json, Encoding.UTF8, "application/json");
+
+    [Test]
+    public async Task GetGachaPointRewards_returns_catalog_for_active_pack()
+    {
+        using var factory = new SVSimTestFactory();
+        long viewerId = await factory.SeedViewerAsync();
+        using (var scope = factory.Services.CreateScope())
+        {
+            var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+            db.Classes.Add(new ClassEntry { Id = 0, Name = "Neutral" });
+            var set = new ShadowverseCardSetEntry { Id = 10008, IsInRotation = true };
+            db.CardSets.Add(set);
+            set.Cards.Add(new ShadowverseCardEntry
+            {
+                Id = 108041010, Name = "leg", Rarity = Rarity.Legendary,
+                Class = db.Classes.Local.First(), IsFoil = false,
+            });
+            db.CardCosmeticRewards.Add(new CardCosmeticReward
+            {
+                CardId = 108041010, Type = CosmeticType.Emblem, CosmeticId = 1080410100,
+            });
+            db.Packs.Add(new PackConfigEntry
+            {
+                Id = 10008, BasePackId = 10008, PackCategory = PackCategory.LegendCardPack,
+                CommenceDate = DateTime.UtcNow.AddDays(-1), CompleteDate = DateTime.UtcNow.AddDays(30),
+                GachaPointConfig = new PackGachaPointConfig { ExchangeablePoint = 400, IncreaseGachaPoint = 1 },
+            });
+            await db.SaveChangesAsync();
+        }
+
+        using var client = factory.CreateAuthenticatedClient(viewerId);
+        var body = JsonBody("""{"odds_gacha_id":10008,"parent_gacha_id":10008,"viewer_id":"0","steam_id":0,"steam_session_ticket":""}""");
+        var response = await client.PostAsync("/pack/get_gacha_point_rewards", body);
+        var text = await response.Content.ReadAsStringAsync();
+
+        Assert.That(response.StatusCode, Is.EqualTo(HttpStatusCode.OK), text);
+
+        using var doc = JsonDocument.Parse(text);
+        var rewards = doc.RootElement.GetProperty("gacha_point_rewards");
+        Assert.That(rewards.GetArrayLength(), Is.EqualTo(1));
+        var entry = rewards[0];
+        Assert.That(entry.GetProperty("class_id").GetString(), Is.EqualTo("0"),
+            "class_id must be wire-typed as a string");
+        Assert.That(entry.GetProperty("card_id").GetInt64(), Is.EqualTo(108041010));
+        Assert.That(entry.GetProperty("is_received").GetBoolean(), Is.False);
+        var rewardList = entry.GetProperty("reward_list");
+        Assert.That(rewardList.GetArrayLength(), Is.EqualTo(1));
+        Assert.That(rewardList[0].GetProperty("reward_type").GetInt32(), Is.EqualTo(7));
+        Assert.That(rewardList[0].GetProperty("reward_detail_id").GetInt64(), Is.EqualTo(1080410100));
+        Assert.That(rewardList[0].GetProperty("reward_number").GetInt32(), Is.EqualTo(1));
+    }
+
+    [Test]
+    public async Task GetGachaPointRewards_wire_keys_match_prod_capture()
+    {
+        using var factory = new SVSimTestFactory();
+        long viewerId = await factory.SeedViewerAsync();
+        using (var scope = factory.Services.CreateScope())
+        {
+            var db = scope.ServiceProvider.GetRequiredService<SVSimDbContext>();
+            db.Classes.Add(new ClassEntry { Id = 0, Name = "Neutral" });
+            var set = new ShadowverseCardSetEntry { Id = 10008, IsInRotation = true };
+            db.CardSets.Add(set);
+            set.Cards.Add(new ShadowverseCardEntry
+            {
+                Id = 108041010, Name = "leg", Rarity = Rarity.Legendary,
+                Class = db.Classes.Local.First(), IsFoil = false,
+            });
+            db.CardCosmeticRewards.Add(new CardCosmeticReward
+            {
+                CardId = 108041010, Type = CosmeticType.Emblem, CosmeticId = 1080410100,
+            });
+            db.Packs.Add(new PackConfigEntry
+            {
+                Id = 10008, BasePackId = 10008, PackCategory = PackCategory.LegendCardPack,
+                CommenceDate = DateTime.UtcNow.AddDays(-1), CompleteDate = DateTime.UtcNow.AddDays(30),
+                GachaPointConfig = new PackGachaPointConfig { ExchangeablePoint = 400, IncreaseGachaPoint = 1 },
+            });
+            await db.SaveChangesAsync();
+        }
+
+        using var client = factory.CreateAuthenticatedClient(viewerId);
+        var body = JsonBody("""{"odds_gacha_id":10008,"parent_gacha_id":10008,"viewer_id":"0","steam_id":0,"steam_session_ticket":""}""");
+        var response = await client.PostAsync("/pack/get_gacha_point_rewards", body);
+        var text = await response.Content.ReadAsStringAsync();
+
+        // Literal wire-key checks — verified against
+        // data_dumps/traffic_prod_tradeables_capture.ndjson pack 10008 response.
+        Assert.That(text, Does.Contain("\"gacha_point_rewards\""));
+        Assert.That(text, Does.Contain("\"class_id\":\"0\""), "class_id MUST be a string");
+        Assert.That(text, Does.Contain("\"reward_detail_id\":1080410100"),
+            "per-card entry uses reward_detail_id (not reward_id)");
+        Assert.That(text, Does.Contain("\"reward_number\":1"),
+            "per-card entry uses reward_number (not reward_num)");
+        Assert.That(text, Does.Contain("\"is_received\":false"));
+        Assert.That(text, Does.Contain("\"is_display_prize\":false"));
+    }
+}