Files
SVSimServer/SVSim.EmulatedEntrypoint/Services/GachaPointService.cs

122 lines
4.8 KiB
C#

using Microsoft.EntityFrameworkCore;
using SVSim.Database;
using SVSim.Database.Enums;
using SVSim.Database.Models;
using SVSim.Database.Services;
using SVSim.EmulatedEntrypoint.Models.Dtos;
namespace SVSim.EmulatedEntrypoint.Services;
public sealed class GachaPointService : IGachaPointService
{
private readonly SVSimDbContext _db;
private readonly ICardPoolProvider _pools;
private readonly RewardGrantService _grants;
public GachaPointService(SVSimDbContext db, ICardPoolProvider pools, RewardGrantService grants)
{
_db = db;
_pools = pools;
_grants = grants;
}
public async Task<IReadOnlyList<GachaPointRewardDto>> GetRewardsAsync(int packId, long viewerId)
{
var pack = await _db.Packs.FirstOrDefaultAsync(p => p.Id == packId);
if (pack?.GachaPointConfig is null) return Array.Empty<GachaPointRewardDto>();
var pool = _pools.GetPool(pack);
var receivedCardIds = (await _db.Viewers
.Where(v => v.Id == viewerId)
.SelectMany(v => v.GachaPointReceived)
.Where(r => r.PackId == packId)
.Select(r => r.CardId)
.ToListAsync()).ToHashSet();
var legendaryCardIds = pool
.Where(c => c.Rarity == Rarity.Legendary && !c.IsFoil)
.Select(c => c.Id)
.ToHashSet();
// Pull both cosmetic types in one trip. Group by card_id for O(1) lookup below.
var cosmeticsByCard = await _db.CardCosmeticRewards
.Where(r => legendaryCardIds.Contains(r.CardId)
&& (r.Type == CosmeticType.Emblem || r.Type == CosmeticType.Skin))
.ToListAsync();
var cosmeticLookup = cosmeticsByCard
.GroupBy(r => r.CardId)
.ToDictionary(g => g.Key, g => g.ToList());
var standard = new List<GachaPointRewardDto>();
var leader = new List<GachaPointRewardDto>();
foreach (var card in pool
.Where(c => c.Rarity == Rarity.Legendary && !c.IsFoil)
.OrderBy(c => c.Class?.Id ?? 0).ThenBy(c => c.Id))
{
if (!cosmeticLookup.TryGetValue(card.Id, out var cosmetics)) continue;
var emblem = cosmetics.FirstOrDefault(c => c.Type == CosmeticType.Emblem);
var skin = cosmetics.FirstOrDefault(c => c.Type == CosmeticType.Skin);
if (emblem is null) continue; // every gacha-point entry has an emblem
var classId = (card.Class?.Id ?? 0).ToString();
var isReceived = receivedCardIds.Contains(card.Id);
if (skin is null)
{
standard.Add(new GachaPointRewardDto
{
ClassId = classId, CardId = card.Id, IsReceived = isReceived,
RewardList =
{
new GachaPointRewardDetailEntry
{
RewardType = (int)UserGoodsType.Emblem,
RewardDetailId = emblem.CosmeticId,
RewardNumber = 1,
},
},
});
}
else
{
// Leader card — 3 entries in capture order: Sleeve/Card-cosmetic (type 6),
// Skin (type 10), Emblem (type 7). The reward_type=6 entry's detail id is the
// card_id itself, mirroring the prod capture exactly.
leader.Add(new GachaPointRewardDto
{
ClassId = classId, CardId = card.Id, IsReceived = isReceived,
RewardList =
{
new GachaPointRewardDetailEntry
{
RewardType = (int)UserGoodsType.Sleeve, RewardDetailId = card.Id, RewardNumber = 1,
},
new GachaPointRewardDetailEntry
{
RewardType = (int)UserGoodsType.Skin,
RewardDetailId = skin.CosmeticId, RewardNumber = 1,
},
new GachaPointRewardDetailEntry
{
RewardType = (int)UserGoodsType.Emblem,
RewardDetailId = emblem.CosmeticId, RewardNumber = 1,
},
},
});
}
}
// Standard first, then leader — matches the prod capture order for pack 10008.
standard.AddRange(leader);
return standard;
}
public void Accrue(Viewer viewer, PackConfigEntry pack, PackChildGachaEntry child, int packNumber)
=> throw new NotImplementedException();
public Task<ExchangeOutcome> TryExchangeAsync(Viewer viewer, int packId, long cardId)
=> throw new NotImplementedException();
}