Files
SVSimServer/SVSim.EmulatedEntrypoint/Controllers/PackController.cs
2026-05-24 17:07:05 -04:00

231 lines
10 KiB
C#

using System.Globalization;
using Microsoft.AspNetCore.Mvc;
using Microsoft.EntityFrameworkCore;
using SVSim.Database;
using SVSim.Database.Enums;
using SVSim.Database.Models;
using SVSim.Database.Repositories.Pack;
using SVSim.EmulatedEntrypoint.Models.Dtos;
using SVSim.EmulatedEntrypoint.Models.Dtos.Requests;
using SVSim.EmulatedEntrypoint.Models.Dtos.Requests.Pack;
using SVSim.EmulatedEntrypoint.Models.Dtos.Responses.Pack;
using SVSim.EmulatedEntrypoint.Services;
namespace SVSim.EmulatedEntrypoint.Controllers;
/// <summary>
/// /pack/* — card-pack shop catalog and pack opening. Tutorial aliases (/tutorial/pack_info,
/// /tutorial/pack_open) are out of scope for v1.
/// </summary>
[Route("pack")]
public class PackController : SVSimController
{
private const string WireDateFormat = "yyyy-MM-dd HH:mm:ss";
private readonly IPackRepository _packs;
private readonly PackOpenService _opener;
private readonly ICardPoolProvider _pools;
private readonly IRandom _rng;
private readonly SVSimDbContext _db;
private readonly ICardAcquisitionService _acquisition;
public PackController(
IPackRepository packs,
PackOpenService opener,
ICardPoolProvider pools,
IRandom rng,
SVSimDbContext db,
ICardAcquisitionService acquisition)
{
_packs = packs;
_opener = opener;
_pools = pools;
_rng = rng;
_db = db;
_acquisition = acquisition;
}
[HttpPost("info")]
public async Task<ActionResult<PackInfoResponse>> Info(BaseRequest request)
{
if (!TryGetViewerId(out long viewerId)) return Unauthorized();
var packs = await _packs.GetActivePacks(DateTime.UtcNow);
var openCounts = await _packs.GetOpenCountsForViewer(viewerId);
return new PackInfoResponse
{
PackConfigList = packs.Select(p => ToDto(p, openCounts)).ToList(),
};
}
private static PackConfigDto ToDto(PackConfigEntry p, IReadOnlyDictionary<int, ViewerPackOpenCount> openCounts)
{
int openCount = openCounts.TryGetValue(p.Id, out var oc) ? oc.OpenCount : 0;
return new PackConfigDto
{
ParentGachaId = p.Id,
BasePackId = p.BasePackId,
OverrideDrawEffectPackId = p.OverrideDrawEffectPackId,
OverrideUiEffectPackId = p.OverrideUiEffectPackId,
GachaType = p.GachaType,
SleeveId = p.SleeveId,
SpecialSleeveId = p.SpecialSleeveId,
CommenceDate = p.CommenceDate.ToString(WireDateFormat, CultureInfo.InvariantCulture),
CompleteDate = p.CompleteDate.ToString(WireDateFormat, CultureInfo.InvariantCulture),
CardpackBannerList = p.Banners.Select(b => new PackBannerDto
{
BannerName = b.BannerName,
DialogTitle = b.DialogTitle,
}).ToList(),
GachaDetail = p.GachaDetail,
ChildGachaInfo = p.ChildGachas.Select(c => new PackChildGachaDto
{
GachaId = c.GachaId,
TypeDetail = c.TypeDetail,
Cost = c.Cost,
Count = c.CardCount,
ItemId = c.ItemId?.ToString(CultureInfo.InvariantCulture),
IsDailySingle = c.IsDailySingle,
OverrideIncreaseGachaPoint = c.OverrideIncreaseGachaPoint.ToString(CultureInfo.InvariantCulture),
}).ToList(),
OpenCount = openCount,
OpenCountLimit = p.OpenCountLimit,
IsHide = p.IsHide ? 1 : 0,
PackCategory = (int)p.PackCategory,
GachaPoint = p.GachaPointConfig is null ? null : new PackGachaPointDto
{
PackId = p.BasePackId.ToString(CultureInfo.InvariantCulture),
GachaPoint = 0,
IncreaseGachaPoint = p.GachaPointConfig.IncreaseGachaPoint.ToString(CultureInfo.InvariantCulture),
ExchangeableGachaPoint = p.GachaPointConfig.ExchangeablePoint,
IsExchangeableGachaPoint = false,
},
IsPreRelease = p.IsPreRelease,
ExistsPurchaseReward = false,
IsNew = p.IsNew,
PosterType = p.PosterType,
SalesPeriodInfo = new(), // emit `{}` per the DTO docstring
};
}
[HttpPost("open")]
public async Task<ActionResult<PackOpenResponse>> Open(PackOpenRequest request)
{
if (!TryGetViewerId(out long viewerId)) return Unauthorized();
// Reject paths up front — class_id/target_card_id overloads aren't implemented.
if (request.ClassId.HasValue)
return StatusCode(StatusCodes.Status501NotImplemented, new { error = "starter_overload_not_implemented" });
if (request.TargetCardId.HasValue)
return StatusCode(StatusCodes.Status501NotImplemented, new { error = "skin_overload_not_implemented" });
var pack = await _packs.GetPack(request.ParentGachaId);
if (pack is null) return NotFound(new { error = "unknown_pack" });
// Skin / starter / leader-skin packs aren't drawn in v1 regardless of child type.
if (pack.PackCategory is PackCategory.LeaderSkinPack
or PackCategory.FreePackLeaderSkin
or PackCategory.RotationStarterCardPack
or PackCategory.LegendAndLeaderSkinSinglePack)
{
return StatusCode(StatusCodes.Status501NotImplemented, new { error = "skin_starter_category_not_implemented" });
}
var child = pack.ChildGachas.FirstOrDefault(c => c.GachaId == request.GachaId);
if (child is null)
return BadRequest(new { error = "unknown_child_gacha" });
// Note: request.GachaType is the PARENT pack's gacha_type (a routing/disambiguation field),
// NOT the child's type_detail. Prod traffic confirms the client sends gacha_type=1 even
// when buying a RUPY_MULTI (type_detail=7) child. The gacha_id alone disambiguates the
// child; gacha_type validation against child.TypeDetail would falsely reject every buy.
// Supported currency types in v1: CRYSTAL_MULTI=2, DAILY=3, RUPY_MULTI=7. Ticket flows
// (TICKET=4, TICKET_MULTI=5) and the rest are explicitly out of scope.
if (child.TypeDetail is not (2 or 3 or 7))
return StatusCode(StatusCodes.Status501NotImplemented, new { error = "currency_path_not_implemented" });
var viewer = await _db.Viewers.Include(v => v.PackOpenCounts).FirstAsync(v => v.Id == viewerId);
int packNumber = Math.Max(1, request.PackNumber);
// Currency check + deduction
switch (child.TypeDetail)
{
case 2: // CRYSTAL_MULTI
{
ulong cost = (ulong)child.Cost * (ulong)packNumber;
if (viewer.Currency.Crystals < cost)
return BadRequest(new { error = "insufficient_crystals" });
viewer.Currency.Crystals -= cost;
break;
}
case 7: // RUPY_MULTI
{
ulong cost = (ulong)child.Cost * (ulong)packNumber;
if (viewer.Currency.Rupees < cost)
return BadRequest(new { error = "insufficient_rupees" });
viewer.Currency.Rupees -= cost;
break;
}
case 3: // DAILY single — once per UTC day
{
// TODO(daily-reset): no project-wide daily-reset convention exists yet. Using UTC
// midnight; revisit when the global reset boundary is settled.
var now = DateTime.UtcNow;
var existing = viewer.PackOpenCounts.FirstOrDefault(p => p.PackId == pack.Id);
if (existing?.LastDailyFreeAt is DateTime last && last.Date == now.Date)
return BadRequest(new { error = "daily_free_already_claimed" });
ulong cost = (ulong)child.Cost * (ulong)packNumber;
if (cost > 0 && viewer.Currency.Rupees < cost)
return BadRequest(new { error = "insufficient_rupees" });
if (cost > 0) viewer.Currency.Rupees -= cost;
break;
}
}
await _db.SaveChangesAsync();
// Increment open count + mark daily-free timestamp where relevant
await _packs.IncrementOpenCount(viewerId, pack.Id, packNumber);
if (child.TypeDetail == 3)
{
await _packs.MarkDailyFreeUsed(viewerId, pack.Id, DateTime.UtcNow);
}
// Draw + persist. DAILY single overrides packNumber to 1 (it's a one-card open).
int drawCount = child.IsDailySingle ? 1 : packNumber;
var draw = _opener.Draw(pack, _pools, drawCount, request.ExcludeCardIds, _rng);
var grant = await _acquisition.GrantAsync(viewerId, draw.Cards.Select(c => c.CardId));
// Build reward_list. The service produces the type=5 (Card) entries with post-state counts
// plus any cosmetic grants. Currency entry (type=2 Crystals or type=9 Rupy) stays in the
// controller — it's a pack-purchase concern, not a card-grant concern. The client's
// PlayerStaticData.UpdateHaveUserGoodsNum does direct assignment, so currency/card counts
// must be the new TOTAL — emitting deltas would leave the on-screen balances stale.
var rewardList = new List<RewardListEntry>();
var postViewer = await _db.Viewers.FirstAsync(v => v.Id == viewerId);
if (child.TypeDetail == 2)
{
rewardList.Add(new RewardListEntry { RewardType = 2, RewardId = 0, RewardNum = (int)postViewer.Currency.Crystals });
}
else if (child.TypeDetail == 7 || child.TypeDetail == 3)
{
rewardList.Add(new RewardListEntry { RewardType = 9, RewardId = 0, RewardNum = (int)postViewer.Currency.Rupees });
}
rewardList.AddRange(grant.RewardList);
return new PackOpenResponse
{
PackList = draw.Cards.Select(c => new CardPackEntryDto
{
CardId = c.CardId,
Rarity = (int)c.Rarity,
Number = 1,
}).ToList(),
RewardList = rewardList,
};
}
}