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refactor(spot-card-exchange): route through InventoryService

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Replace RewardGrantService + ICurrencySpendService with IInventoryService
tx pattern. BeginAsync loads viewer, TrySpendAsync debits SpotPoint,
GrantAsync grants card + cascade, CommitAsync saves.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
gamer147
2026-05-31 16:35:53 -04:00
parent ad4d4e0646
commit a2cec7c99e
1 changed files with 10 additions and 22 deletions
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32
SVSim.EmulatedEntrypoint/Controllers/SpotCardExchangeController.cs
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@@ -4,6 +4,7 @@ using SVSim.Database;
using SVSim.Database.Enums;
using SVSim.Database.Models;
using SVSim.Database.Services;
using SVSim.Database.Services.Inventory;
using SVSim.EmulatedEntrypoint.Models.Dtos;
using SVSim.EmulatedEntrypoint.Models.Dtos.Requests;
using SVSim.EmulatedEntrypoint.Models.Dtos.Requests.SpotCardExchange;
@@ -14,8 +15,7 @@ namespace SVSim.EmulatedEntrypoint.Controllers;
/// <summary>
/// /spot_card_exchange/* — trade spot points for individual cards from the rotating exchange
/// pool. Spot points are earned from battles/missions (not implemented here — earners live in
/// battle/mission finish reward emitters via <see cref="RewardGrantService"/> +
/// <see cref="UserGoodsType.SpotCardPoint"/>).
/// battle/mission finish reward emitters via <see cref="UserGoodsType.SpotCardPoint"/>).
/// </summary>
[Route("spot_card_exchange")]
public class SpotCardExchangeController : SVSimController
@@ -28,16 +28,14 @@ public class SpotCardExchangeController : SVSimController
private const int PreReleaseLimit = 2;
private readonly SVSimDbContext _db;
private readonly RewardGrantService _rewards;
private readonly IInventoryService _inv;
private readonly TimeProvider _time;
private readonly ICurrencySpendService _spend;
public SpotCardExchangeController(SVSimDbContext db, RewardGrantService rewards, TimeProvider time, ICurrencySpendService spend)
public SpotCardExchangeController(SVSimDbContext db, IInventoryService inv, TimeProvider time)
{
_db = db;
_rewards = rewards;
_inv = inv;
_time = time;
_spend = spend;
}
[HttpPost("top")]
@@ -126,14 +124,14 @@ public class SpotCardExchangeController : SVSimController
return BadRequest(new { error = "pre_release_limit_reached" });
}
var viewer = await LoadViewerGraphAsync(viewerId);
await using var tx = await _inv.BeginAsync(viewerId);
var rewardList = new List<RewardListEntry>();
// Debit spot points. Client-supplied exchange_point isn't authoritative — server uses
// catalog price. Mirroring the build_deck/sleeve convention: post-state currency entry
// first, then grants.
var spotRes = await _spend.TrySpendAsync(viewer, SpendCurrency.SpotPoint, entry.ExchangePoint);
var spotRes = await tx.TrySpendAsync(SpendCurrency.SpotPoint, entry.ExchangePoint);
if (!spotRes.Success)
return BadRequest(new { error = "insufficient_spot_points" });
rewardList.Add(new RewardListEntry
@@ -143,8 +141,8 @@ public class SpotCardExchangeController : SVSimController
RewardNum = checked((int)spotRes.PostStateTotal),
});
// Grant the card itself via the existing card dispatcher (handles cosmetic cascade).
var granted = await _rewards.ApplyAsync(viewer, UserGoodsType.Card, entry.Id, 1);
// Grant the card itself via the inventory tx (handles cosmetic cascade).
var granted = await tx.GrantAsync(UserGoodsType.Card, entry.Id, 1);
foreach (var g in granted)
{
rewardList.Add(new RewardListEntry
@@ -163,7 +161,7 @@ public class SpotCardExchangeController : SVSimController
ExchangedAt = _time.GetUtcNow().UtcDateTime,
});
await _db.SaveChangesAsync();
await tx.CommitAsync();
return new SpotCardExchangeResponse { RewardList = rewardList };
}
@@ -182,14 +180,4 @@ public class SpotCardExchangeController : SVSimController
return 0;
}
private Task<Viewer> LoadViewerGraphAsync(long viewerId) => _db.Viewers
.Include(v => v.Cards).ThenInclude(c => c.Card)
.Include(v => v.Sleeves)
.Include(v => v.Emblems)
.Include(v => v.LeaderSkins)
.Include(v => v.Degrees)
.Include(v => v.MyPageBackgrounds)
.Include(v => v.Items).ThenInclude(i => i.Item)
.AsSplitQuery()
.FirstAsync(v => v.Id == viewerId);
}