Initial commit

2026-05-07 13:13:41 +02:00 · 2026-04-21 01:10:25 +10:00
commit c5595ea083
1752 changed files with 45767 additions and 0 deletions
--- a/src/Services/GiftService.cs
+++ b/src/Services/GiftService.cs
@@ -0,0 +1,140 @@
+using Google.Protobuf;
+using Google.Protobuf.WellKnownTypes;
+using Grpc.Core;
+using MariesWonderland.Data;
+using MariesWonderland.Extensions;
+using MariesWonderland.Models.Entities;
+using MariesWonderland.Proto.Gift;
+
+namespace MariesWonderland.Services;
+
+public class GiftService(UserDataStore store) : MariesWonderland.Proto.Gift.GiftService.GiftServiceBase
+{
+    private readonly UserDataStore _store = store;
+
+    /// <summary>Claims inbox gifts by UUID, marking them as received with the current timestamp.</summary>
+    public override Task<ReceiveGiftResponse> ReceiveGift(ReceiveGiftRequest request, ServerCallContext context)
+    {
+        long userId = context.GetUserId();
+        DarkUserMemoryDatabase userDb = _store.GetOrCreate(userId);
+
+        List<string> received = [];
+
+        foreach (EntitySUserGift gift in userDb.EntitySUserGift)
+        {
+            if (gift.UserId == userId
+                && gift.ReceivedDatetime == 0
+                && request.UserGiftUuid.Contains(gift.UserGiftUuid))
+            {
+                gift.ReceivedDatetime = DateTimeOffset.UtcNow.ToUnixTimeMilliseconds();
+                received.Add(gift.UserGiftUuid);
+            }
+        }
+
+        ReceiveGiftResponse response = new();
+        response.ReceivedGiftUuid.AddRange(received);
+        return Task.FromResult(response);
+    }
+
+    /// <summary>Returns a paginated list of unclaimed gifts, sorted by expiration date.</summary>
+    public override Task<GetGiftListResponse> GetGiftList(GetGiftListRequest request, ServerCallContext context)
+    {
+        long userId = context.GetUserId();
+        DarkUserMemoryDatabase userDb = _store.GetOrCreate(userId);
+
+        List<EntitySUserGift> unreceived = [.. userDb.EntitySUserGift
+            .Where(g => g.ReceivedDatetime == 0)];
+
+        if (request.IsAscendingSort)
+        {
+            unreceived.Sort((a, b) => a.ExpirationDatetime.CompareTo(b.ExpirationDatetime));
+        }
+        else
+        {
+            unreceived.Sort((a, b) => b.ExpirationDatetime.CompareTo(a.ExpirationDatetime));
+        }
+
+        IEnumerable<EntitySUserGift> page = unreceived;
+        if (request.GetCount > 0)
+        {
+            page = page.Take(request.GetCount);
+        }
+
+        GetGiftListResponse response = new()
+        {
+            TotalPageCount = PageCount(unreceived.Count, request.GetCount),
+            NextCursor = 0,
+            PreviousCursor = 0
+        };
+
+        foreach (EntitySUserGift gift in page)
+        {
+            NotReceivedGift item = new()
+            {
+                GiftCommon = ToProtoGiftCommon(gift),
+                UserGiftUuid = gift.UserGiftUuid
+            };
+            if (gift.ExpirationDatetime > 0)
+            {
+                item.ExpirationDatetime = Timestamp.FromDateTimeOffset(
+                    DateTimeOffset.FromUnixTimeMilliseconds(gift.ExpirationDatetime));
+            }
+            response.Gift.Add(item);
+        }
+
+        return Task.FromResult(response);
+    }
+
+    /// <summary>Returns the history of previously claimed gifts.</summary>
+    public override Task<GetGiftReceiveHistoryListResponse> GetGiftReceiveHistoryList(Empty request, ServerCallContext context)
+    {
+        long userId = context.GetUserId();
+        DarkUserMemoryDatabase userDb = _store.GetOrCreate(userId);
+
+        GetGiftReceiveHistoryListResponse response = new();
+
+        foreach (EntitySUserGift gift in userDb.EntitySUserGift.Where(g => g.ReceivedDatetime != 0))
+        {
+            response.Gift.Add(new ReceivedGift
+            {
+                GiftCommon = ToProtoGiftCommon(gift),
+                ReceivedDatetime = Timestamp.FromDateTimeOffset(
+                    DateTimeOffset.FromUnixTimeMilliseconds(gift.ReceivedDatetime))
+            });
+        }
+
+        return Task.FromResult(response);
+    }
+
+    /// <summary>Converts a server-side gift entity to the proto GiftCommon message.</summary>
+    private static GiftCommon ToProtoGiftCommon(EntitySUserGift gift)
+    {
+        GiftCommon common = new()
+        {
+            PossessionType = gift.PossessionType,
+            PossessionId = gift.PossessionId,
+            Count = gift.Count,
+            DescriptionGiftTextId = gift.DescriptionGiftTextId,
+            EquipmentData = gift.EquipmentData.Length > 0
+                ? ByteString.CopyFrom(gift.EquipmentData)
+                : ByteString.Empty
+        };
+        if (gift.GrantDatetime > 0)
+        {
+            common.GrantDatetime = Timestamp.FromDateTimeOffset(
+                DateTimeOffset.FromUnixTimeMilliseconds(gift.GrantDatetime));
+        }
+        return common;
+    }
+
+    /// <summary>Calculates the total number of pages given item count and page size.</summary>
+    private static int PageCount(int total, int pageSize)
+    {
+        if (total == 0) return 0;
+        if (pageSize <= 0) return 1;
+        int pages = total / pageSize;
+        if (total % pageSize != 0) pages++;
+        return pages;
+    }
+}
+