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refactor(itempurchase): route currency spend (not items) through CurrencySpendService

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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
gamer147
2026-05-29 14:18:57 -04:00
parent fb257a544f
commit 5c6b703276
1 changed files with 20 additions and 18 deletions
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38
SVSim.EmulatedEntrypoint/Controllers/ItemPurchaseController.cs
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@@ -23,12 +23,14 @@ public class ItemPurchaseController : SVSimController
private readonly SVSimDbContext _db;
private readonly RewardGrantService _rewards;
private readonly TimeProvider _time;
private readonly ICurrencySpendService _spend;
public ItemPurchaseController(SVSimDbContext db, RewardGrantService rewards, TimeProvider time)
public ItemPurchaseController(SVSimDbContext db, RewardGrantService rewards, TimeProvider time, ICurrencySpendService spend)
{
_db = db;
_rewards = rewards;
_time = time;
_spend = spend;
}
[HttpPost("info")]
@@ -117,7 +119,7 @@ public class ItemPurchaseController : SVSimController
var rewardList = new List<RewardListEntry>();
// Debit the require side. RewardGrantService is grant-only, so handle this inline.
var debit = TryDebit(viewer, (UserGoodsType)entry.RequireItemType, entry.RequireItemId, entry.RequireItemNum);
var debit = await TryDebit(viewer, (UserGoodsType)entry.RequireItemType, entry.RequireItemId, entry.RequireItemNum);
if (debit.Error is not null) return BadRequest(new { error = debit.Error });
if (debit.PostState is not null) rewardList.Add(debit.PostState);
@@ -160,29 +162,29 @@ public class ItemPurchaseController : SVSimController
/// from the viewer, returning a post-state-aware <see cref="RewardListEntry"/> the client
/// uses to refresh its cached count. Returns an error string on insufficient balance.
/// </summary>
private static (RewardListEntry? PostState, string? Error) TryDebit(
private async Task<(RewardListEntry? PostState, string? Error)> TryDebit(
Viewer viewer, UserGoodsType type, long detailId, int num)
{
switch (type)
{
case UserGoodsType.RedEther:
if (viewer.Currency.RedEther < (ulong)num)
return (null, "insufficient_red_ether");
viewer.Currency.RedEther -= (ulong)num;
return (new RewardListEntry { RewardType = 1, RewardId = 0, RewardNum = (int)viewer.Currency.RedEther }, null);
{
var r = await _spend.TrySpendAsync(viewer, SpendCurrency.RedEther, num);
if (!r.Success) return (null, "insufficient_red_ether");
return (new RewardListEntry { RewardType = 1, RewardId = 0, RewardNum = (int)r.PostStateTotal }, null);
}
case UserGoodsType.Crystal:
if (viewer.Currency.Crystals < (ulong)num)
return (null, "insufficient_crystals");
viewer.Currency.Crystals -= (ulong)num;
return (new RewardListEntry { RewardType = 2, RewardId = 0, RewardNum = (int)viewer.Currency.Crystals }, null);
{
var r = await _spend.TrySpendAsync(viewer, SpendCurrency.Crystal, num);
if (!r.Success) return (null, "insufficient_crystals");
return (new RewardListEntry { RewardType = 2, RewardId = 0, RewardNum = (int)r.PostStateTotal }, null);
}
case UserGoodsType.Rupy:
if (viewer.Currency.Rupees < (ulong)num)
return (null, "insufficient_rupees");
viewer.Currency.Rupees -= (ulong)num;
return (new RewardListEntry { RewardType = 9, RewardId = 0, RewardNum = (int)viewer.Currency.Rupees }, null);
{
var r = await _spend.TrySpendAsync(viewer, SpendCurrency.Rupee, num);
if (!r.Success) return (null, "insufficient_rupees");
return (new RewardListEntry { RewardType = 9, RewardId = 0, RewardNum = (int)r.PostStateTotal }, null);
}
case UserGoodsType.Item:
var owned = viewer.Items.FirstOrDefault(i => i.Item.Id == (int)detailId);
if (owned is null || owned.Count < num)