Pack opening
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gamer147
233
SVSim.EmulatedEntrypoint/Controllers/PackController.cs
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233
SVSim.EmulatedEntrypoint/Controllers/PackController.cs
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using System.Globalization;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.EntityFrameworkCore;
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using SVSim.Database;
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using SVSim.Database.Enums;
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using SVSim.Database.Models;
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using SVSim.Database.Repositories.Pack;
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using SVSim.EmulatedEntrypoint.Models.Dtos;
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using SVSim.EmulatedEntrypoint.Models.Dtos.Requests;
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using SVSim.EmulatedEntrypoint.Models.Dtos.Requests.Pack;
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using SVSim.EmulatedEntrypoint.Models.Dtos.Responses.Pack;
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using SVSim.EmulatedEntrypoint.Services;
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namespace SVSim.EmulatedEntrypoint.Controllers;
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/// <summary>
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/// /pack/* — card-pack shop catalog and pack opening. Tutorial aliases (/tutorial/pack_info,
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/// /tutorial/pack_open) are out of scope for v1.
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/// </summary>
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[Route("pack")]
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public class PackController : SVSimController
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{
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private const string WireDateFormat = "yyyy-MM-dd HH:mm:ss";
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private readonly IPackRepository _packs;
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private readonly PackOpenService _opener;
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private readonly ICardPoolProvider _pools;
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private readonly IRandom _rng;
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private readonly SVSimDbContext _db;
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public PackController(
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IPackRepository packs,
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PackOpenService opener,
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ICardPoolProvider pools,
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IRandom rng,
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SVSimDbContext db)
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{
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_packs = packs;
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_opener = opener;
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_pools = pools;
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_rng = rng;
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_db = db;
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}
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[HttpPost("info")]
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public async Task<ActionResult<PackInfoResponse>> Info(BaseRequest request)
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{
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if (!TryGetViewerId(out long viewerId)) return Unauthorized();
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var packs = await _packs.GetActivePacks(DateTime.UtcNow);
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var openCounts = await _packs.GetOpenCountsForViewer(viewerId);
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return new PackInfoResponse
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{
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PackConfigList = packs.Select(p => ToDto(p, openCounts)).ToList(),
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};
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}
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private static PackConfigDto ToDto(PackConfigEntry p, IReadOnlyDictionary<int, ViewerPackOpenCount> openCounts)
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{
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int openCount = openCounts.TryGetValue(p.Id, out var oc) ? oc.OpenCount : 0;
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return new PackConfigDto
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{
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ParentGachaId = p.Id,
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BasePackId = p.BasePackId,
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OverrideDrawEffectPackId = p.OverrideDrawEffectPackId,
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OverrideUiEffectPackId = p.OverrideUiEffectPackId,
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GachaType = p.GachaType,
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SleeveId = p.SleeveId,
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SpecialSleeveId = p.SpecialSleeveId,
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CommenceDate = p.CommenceDate.ToString(WireDateFormat, CultureInfo.InvariantCulture),
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CompleteDate = p.CompleteDate.ToString(WireDateFormat, CultureInfo.InvariantCulture),
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CardpackBannerList = p.Banners.Select(b => new PackBannerDto
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{
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BannerName = b.BannerName,
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DialogTitle = b.DialogTitle,
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}).ToList(),
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GachaDetail = p.GachaDetail,
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ChildGachaInfo = p.ChildGachas.Select(c => new PackChildGachaDto
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{
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GachaId = c.GachaId,
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TypeDetail = c.TypeDetail,
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Cost = c.Cost,
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Count = c.CardCount,
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ItemId = c.ItemId?.ToString(CultureInfo.InvariantCulture),
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IsDailySingle = c.IsDailySingle,
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OverrideIncreaseGachaPoint = c.OverrideIncreaseGachaPoint.ToString(CultureInfo.InvariantCulture),
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}).ToList(),
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OpenCount = openCount,
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OpenCountLimit = p.OpenCountLimit,
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IsHide = p.IsHide ? 1 : 0,
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PackCategory = (int)p.PackCategory,
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GachaPoint = p.GachaPointConfig is null ? null : new PackGachaPointDto
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{
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PackId = p.BasePackId.ToString(CultureInfo.InvariantCulture),
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GachaPoint = 0,
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IncreaseGachaPoint = p.GachaPointConfig.IncreaseGachaPoint.ToString(CultureInfo.InvariantCulture),
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ExchangeableGachaPoint = p.GachaPointConfig.ExchangeablePoint,
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IsExchangeableGachaPoint = false,
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},
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IsPreRelease = p.IsPreRelease,
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ExistsPurchaseReward = false,
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IsNew = p.IsNew,
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PosterType = p.PosterType,
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SalesPeriodInfo = new(), // emit `{}` per the DTO docstring
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};
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}
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[HttpPost("open")]
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public async Task<ActionResult<PackOpenResponse>> Open(PackOpenRequest request)
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{
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if (!TryGetViewerId(out long viewerId)) return Unauthorized();
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// Reject paths up front — class_id/target_card_id overloads aren't implemented.
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if (request.ClassId.HasValue)
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return StatusCode(StatusCodes.Status501NotImplemented, new { error = "starter_overload_not_implemented" });
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if (request.TargetCardId.HasValue)
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return StatusCode(StatusCodes.Status501NotImplemented, new { error = "skin_overload_not_implemented" });
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var pack = await _packs.GetPack(request.ParentGachaId);
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if (pack is null) return NotFound(new { error = "unknown_pack" });
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// Skin / starter / leader-skin packs aren't drawn in v1 regardless of child type.
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if (pack.PackCategory is PackCategory.LeaderSkinPack
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or PackCategory.FreePackLeaderSkin
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or PackCategory.RotationStarterCardPack
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or PackCategory.LegendAndLeaderSkinSinglePack)
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{
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return StatusCode(StatusCodes.Status501NotImplemented, new { error = "skin_starter_category_not_implemented" });
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}
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var child = pack.ChildGachas.FirstOrDefault(c => c.GachaId == request.GachaId);
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if (child is null)
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return BadRequest(new { error = "unknown_child_gacha" });
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// Note: request.GachaType is the PARENT pack's gacha_type (a routing/disambiguation field),
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// NOT the child's type_detail. Prod traffic confirms the client sends gacha_type=1 even
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// when buying a RUPY_MULTI (type_detail=7) child. The gacha_id alone disambiguates the
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// child; gacha_type validation against child.TypeDetail would falsely reject every buy.
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// Supported currency types in v1: CRYSTAL_MULTI=2, DAILY=3, RUPY_MULTI=7. Ticket flows
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// (TICKET=4, TICKET_MULTI=5) and the rest are explicitly out of scope.
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if (child.TypeDetail is not (2 or 3 or 7))
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return StatusCode(StatusCodes.Status501NotImplemented, new { error = "currency_path_not_implemented" });
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var viewer = await _db.Viewers.Include(v => v.PackOpenCounts).FirstAsync(v => v.Id == viewerId);
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int packNumber = Math.Max(1, request.PackNumber);
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// Currency check + deduction
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switch (child.TypeDetail)
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{
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case 2: // CRYSTAL_MULTI
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{
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ulong cost = (ulong)child.Cost * (ulong)packNumber;
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if (viewer.Currency.Crystals < cost)
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return BadRequest(new { error = "insufficient_crystals" });
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viewer.Currency.Crystals -= cost;
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break;
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}
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case 7: // RUPY_MULTI
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{
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ulong cost = (ulong)child.Cost * (ulong)packNumber;
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if (viewer.Currency.Rupees < cost)
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return BadRequest(new { error = "insufficient_rupees" });
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viewer.Currency.Rupees -= cost;
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break;
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}
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case 3: // DAILY single — once per UTC day
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{
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// TODO(daily-reset): no project-wide daily-reset convention exists yet. Using UTC
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// midnight; revisit when the global reset boundary is settled.
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var now = DateTime.UtcNow;
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var existing = viewer.PackOpenCounts.FirstOrDefault(p => p.PackId == pack.Id);
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if (existing?.LastDailyFreeAt is DateTime last && last.Date == now.Date)
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return BadRequest(new { error = "daily_free_already_claimed" });
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ulong cost = (ulong)child.Cost * (ulong)packNumber;
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if (cost > 0 && viewer.Currency.Rupees < cost)
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return BadRequest(new { error = "insufficient_rupees" });
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if (cost > 0) viewer.Currency.Rupees -= cost;
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break;
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}
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}
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await _db.SaveChangesAsync();
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// Increment open count + mark daily-free timestamp where relevant
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await _packs.IncrementOpenCount(viewerId, pack.Id, packNumber);
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if (child.TypeDetail == 3)
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{
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await _packs.MarkDailyFreeUsed(viewerId, pack.Id, DateTime.UtcNow);
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}
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// Draw + persist. DAILY single overrides packNumber to 1 (it's a one-card open).
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int drawCount = child.IsDailySingle ? 1 : packNumber;
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var draw = _opener.Draw(pack, _pools, drawCount, request.ExcludeCardIds, _rng);
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await _packs.GrantCardsToViewer(viewerId, draw.Cards.Select(c => c.CardId));
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// Build reward_list with post-state totals. The client's PlayerStaticData.UpdateHaveUserGoodsNum
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// does direct assignment (`UserRupyCount = reward_num`, owned-count = reward_num), so we
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// emit the new totals — not deltas. Without these the on-screen rupee/crystal/collection
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// counts stay stale until the next /mypage/refresh or restart.
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var rewardList = new List<RewardListEntry>();
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var postViewer = await _db.Viewers
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.Include(v => v.Cards).ThenInclude(c => c.Card)
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.FirstAsync(v => v.Id == viewerId);
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if (child.TypeDetail == 2)
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{
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rewardList.Add(new RewardListEntry { RewardType = 2, RewardId = 0, RewardNum = (int)postViewer.Currency.Crystals });
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}
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else if (child.TypeDetail == 7 || child.TypeDetail == 3)
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{
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rewardList.Add(new RewardListEntry { RewardType = 9, RewardId = 0, RewardNum = (int)postViewer.Currency.Rupees });
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}
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var drawnCardIds = draw.Cards.Select(c => c.CardId).Distinct().ToHashSet();
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foreach (var owned in postViewer.Cards.Where(c => drawnCardIds.Contains(c.Card.Id)))
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{
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rewardList.Add(new RewardListEntry { RewardType = 5, RewardId = owned.Card.Id, RewardNum = owned.Count });
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}
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return new PackOpenResponse
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{
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PackList = draw.Cards.Select(c => new CardPackEntryDto
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{
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CardId = c.CardId,
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Rarity = (int)c.Rarity,
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Number = 1,
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}).ToList(),
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RewardList = rewardList,
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};
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}
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}
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