idk if this will help but this is a certified attempt

Docker/run/compose/mare-standalone.yml

@@ -1,6 +1,7 @@
 services:
   postgres:
     image: postgres:latest
+    command: ["postgres", "-c", "log_statement=all"]
     restart: always
     ports:
       - 5432:5432/tcp

MareSynchronosServer/MareSynchronosServer/Hubs/MareHub.Functions.cs

@@ -7,6 +7,7 @@ using MareSynchronos.API.Data;
 using MareSynchronos.API.Dto.Group;
 using MareSynchronosShared.Metrics;
 using Microsoft.AspNetCore.SignalR;
+using MareSynchronosShared.Data;
 
 namespace MareSynchronosServer.Hubs;
 
@@ -70,16 +71,13 @@ public partial class MareHub
         _dbContext.Users.Remove(user);
         _dbContext.Auth.Remove(auth);
         await _dbContext.SaveChangesAsync().ConfigureAwait(false);
-
-        _cacheService.ClearCache(user.UID);
-        _cacheService.MarkAsStale(null, user.UID);
     }
 
     private async Task<List<string>> GetAllPairedUnpausedUsers(string? uid = null)
     {
         uid ??= UserUID;
 
-        return (await _cacheService.GetAllPairs(UserUID, _dbContext).ConfigureAwait(false))
+        return (await GetAllPairInfo(UserUID).ConfigureAwait(false))
             .Where(u => !u.Value.OwnPermissions.IsPaused && u.Value.OtherPermissions != null && !u.Value.OtherPermissions.IsPaused)
             .Select(u => u.Key).ToList();
     }
@@ -173,7 +171,7 @@ public partial class MareHub
     private async Task UserGroupLeave(GroupPair groupUserPair, string userIdent, string? uid = null)
     {
         uid ??= UserUID;
-        var allUserPairs = await _cacheService.GetAllPairs(uid, _dbContext).ConfigureAwait(false);
+        var allUserPairs = await GetAllPairInfo(uid).ConfigureAwait(false);
         if (!allUserPairs.TryGetValue(groupUserPair.GroupUserUID, out var info) || !info.IsSynced)
         {
             var groupUserIdent = await GetUserIdent(groupUserPair.GroupUserUID).ConfigureAwait(false);
@@ -238,7 +236,6 @@ public partial class MareHub
         }
 
         await _dbContext.SaveChangesAsync().ConfigureAwait(false);
-        _cacheService.MarkAsStale(userUid, null);
 
         _logger.LogCallInfo(MareHubLogger.Args(dto, "Success"));
 
@@ -252,6 +249,126 @@ public partial class MareHub
         }
     }
 
-    public record UserQueryPermissionEntry(UserQueryEntry OtherUser, UserPermissionSet OwnPermissions, UserPermissionSet? OtherPermissions);
+    private async Task<UserInfo?> GetPairInfo(string uid, string otheruid)
-    public record UserQueryEntry(string UID, bool IsPaired, string GID, string Alias);
+    {
+        var query = _dbContext.ClientPairs.Where(u => u.UserUID == uid && u.OtherUserUID == otheruid)
+            .Join(_dbContext.ClientPairs.Where(u => u.UserUID == otheruid && u.OtherUserUID == uid),
+            user => user.OtherUserUID, user => user.UserUID, (user, otheruser) =>
+            new
+            {
+                UserUID = user.UserUID,
+                OtherUserUID = user.OtherUserUID,
+                Gid = string.Empty,
+                Synced = otheruser != null
+            });
+
+        var query2 = _dbContext.GroupPairs.Where(u => u.GroupUserUID == uid)
+            .Join(_dbContext.GroupPairs.Where(u => u.GroupUserUID == otheruid),
+            ownPair => ownPair.GroupGID, otherPair => otherPair.GroupGID,
+            (ownPair, otherPair) =>
+            new
+            {
+                UserUID = ownPair.GroupUserUID,
+                OtherUserUID = otherPair.GroupUserUID,
+                Gid = ownPair.GroupGID,
+                Synced = true,
+            });
+
+        var result = from user in query.Union(query2)
+                     join u in _dbContext.Users on user.OtherUserUID equals u.UID
+                     join o in _dbContext.Permissions
+                        on new { user.UserUID, user.OtherUserUID }
+                        equals new { o.UserUID, o.OtherUserUID }
+                        into ownperms
+                     from ownperm in ownperms.DefaultIfEmpty()
+                     join p in _dbContext.Permissions
+                        on new { UserUID = user.OtherUserUID, OtherUserUID = user.UserUID }
+                        equals new { p.UserUID, p.OtherUserUID }
+                        into otherperms
+                     from otherperm in otherperms.DefaultIfEmpty()
+                     select new
+                     {
+                         UserUID = user.UserUID,
+                         OtherUserUID = user.OtherUserUID,
+                         OtherUserAlias = u.Alias,
+                         GID = user.Gid,
+                         Synced = user.Synced,
+                         OwnPermissions = ownperm,
+                         OtherPermissions = otherperm
+                     };
+
+        var resultList = await result.AsNoTracking().ToListAsync().ConfigureAwait(false);
+
+        if (!resultList.Any()) return null;
+
+        var groups = resultList.Select(g => g.GID).ToList();
+        return new UserInfo(resultList[0].OtherUserAlias,
+            resultList.SingleOrDefault(p => string.IsNullOrEmpty(p.GID))?.Synced ?? false,
+            resultList.Max(p => p.Synced),
+            resultList.Select(p => string.IsNullOrEmpty(p.GID) ? Constants.IndividualKeyword : p.GID).ToList(),
+            resultList[0].OwnPermissions,
+            resultList[0].OtherPermissions);
+    }
+
+    private async Task<Dictionary<string, UserInfo>> GetAllPairInfo(string uid)
+    {
+        var query = _dbContext.ClientPairs.Where(u => u.UserUID == uid)
+            .Join(_dbContext.ClientPairs.Where(u => u.OtherUserUID == uid),
+            user => user.OtherUserUID, user => user.UserUID, (user, otheruser) =>
+            new
+            {
+                UserUID = Convert.ToString(user.UserUID),
+                OtherUserUID = Convert.ToString(user.OtherUserUID),
+                Gid = string.Empty,
+                Synced = otheruser != null
+            });
+
+        var query2 = _dbContext.GroupPairs.Where(u => u.GroupUserUID == uid)
+            .Join(_dbContext.GroupPairs.Where(u => u.GroupUserUID != uid),
+            ownPair => ownPair.GroupGID, otherPair => otherPair.GroupGID,
+            (ownPair, otherPair) =>
+            new
+            {
+                UserUID = Convert.ToString(ownPair.GroupUserUID),
+                OtherUserUID = Convert.ToString(otherPair.GroupUserUID),
+                Gid = Convert.ToString(ownPair.GroupGID),
+                Synced = true,
+            });
+
+        var result = from user in query.Union(query2)
+                     join u in _dbContext.Users on user.OtherUserUID equals Convert.ToString(u.UID)
+                     join o in _dbContext.Permissions
+                        on new { UserUID = user.UserUID, OtherUserUID = user.OtherUserUID }
+                        equals new { UserUID = Convert.ToString(o.UserUID), OtherUserUID = Convert.ToString(o.OtherUserUID) }
+                        into ownperms
+                     from ownperm in ownperms.DefaultIfEmpty()
+                     join p in _dbContext.Permissions
+                        on new { UserUID = user.OtherUserUID, OtherUserUID = user.UserUID }
+                        equals new { UserUID = Convert.ToString(p.UserUID), OtherUserUID = Convert.ToString(p.OtherUserUID) }
+                        into otherperms
+                     from otherperm in otherperms.DefaultIfEmpty()
+                     select new
+                     {
+                         UserUID = user.UserUID,
+                         OtherUserUID = user.OtherUserUID,
+                         OtherUserAlias = u.Alias,
+                         GID = user.Gid,
+                         Synced = user.Synced,
+                         OwnPermissions = ownperm,
+                         OtherPermissions = otherperm
+                     };
+
+        var resultList = await result.AsNoTracking().ToListAsync().ConfigureAwait(false);
+        return resultList.GroupBy(g => g.OtherUserUID, StringComparer.Ordinal).ToDictionary(g => g.Key, g =>
+        {
+            return new UserInfo(g.First().OtherUserAlias,
+                g.SingleOrDefault(p => string.IsNullOrEmpty(p.GID))?.Synced ?? false,
+                g.Max(p => p.Synced),
+                g.Select(p => string.IsNullOrEmpty(p.GID) ? Constants.IndividualKeyword : p.GID).ToList(),
+                g.First().OwnPermissions,
+                g.First().OtherPermissions);
+        }, StringComparer.Ordinal);
+    }
+
+    public record UserInfo(string Alias, bool IndividuallyPaired, bool IsSynced, List<string> GIDs, UserPermissionSet? OwnPermissions, UserPermissionSet? OtherPermissions);
 }

MareSynchronosServer/MareSynchronosServer/Hubs/MareHub.Groups.cs

@@ -81,7 +81,7 @@ public partial class MareHub
         groupPreferredPermissions.DisableVFX = dto.GroupPairPermissions.IsDisableVFX();
 
         // set the permissions for every group pair that is not sticky
-        var allPairs = (await _cacheService.GetAllPairs(UserUID, _dbContext).ConfigureAwait(false))
+        var allPairs = (await GetAllPairInfo(UserUID).ConfigureAwait(false))
             .Where(u => !u.Value.OwnPermissions.Sticky)
             .ToDictionary(d => d.Key, d => d.Value, StringComparer.Ordinal);
 
@@ -100,11 +100,6 @@ public partial class MareHub
         }
         await _dbContext.SaveChangesAsync().ConfigureAwait(false);
 
-        foreach (var item in affectedGroupPairs)
-        {
-            _cacheService.MarkAsStale(UserUID, item.Key);
-        }
-
         // send messages
         UserPermissions permissions = UserPermissions.NoneSet;
         permissions.SetPaused(groupPreferredPermissions.IsPaused);
@@ -228,10 +223,6 @@ public partial class MareHub
         }
 
         await _dbContext.SaveChangesAsync().ConfigureAwait(false);
-        foreach (var user in notPinned)
-        {
-            _cacheService.MarkAsStale(user.GroupUserUID, null);
-        }
     }
 
     [Authorize(Policy = "Identified")]
@@ -432,8 +423,7 @@ public partial class MareHub
             return false;
 
         // get all pairs before we join
-        var allUserPairs = (await _cacheService.GetAllPairs(UserUID, _dbContext).ConfigureAwait(false))
+        var allUserPairs = (await GetAllPairInfo(UserUID).ConfigureAwait(false));
-            .ToDictionary(u => u.Key, u => u.Value, StringComparer.Ordinal);
 
         if (oneTimeInvite != null)
         {
@@ -485,7 +475,7 @@ public partial class MareHub
 
         var groupPairs = await _dbContext.GroupPairs.Include(p => p.GroupUser).Where(p => p.GroupGID == group.GID && p.GroupUserUID != UserUID).ToListAsync().ConfigureAwait(false);
 
-        var userPairsAfterJoin = await _cacheService.GetAllPairs(UserUID, _dbContext, true).ConfigureAwait(false);
+        var userPairsAfterJoin = await GetAllPairInfo(UserUID).ConfigureAwait(false);
 
         foreach (var pair in groupPairs)
         {
@@ -584,11 +574,6 @@ public partial class MareHub
 
         await _dbContext.SaveChangesAsync().ConfigureAwait(false);
 
-        foreach (var pair in groupPairs)
-        {
-            _cacheService.MarkAsStale(UserUID, pair.GroupUserUID);
-        }
-
         return true;
     }
 
@@ -631,7 +616,6 @@ public partial class MareHub
         foreach (var groupUserPair in groupPairs)
         {
             await UserGroupLeave(groupUserPair, userIdent, dto.User.UID).ConfigureAwait(false);
-            _cacheService.MarkAsStale(dto.User.UID, groupUserPair.GroupUserUID);
         }
 
     }

MareSynchronosServer/MareSynchronosServer/Hubs/MareHub.User.cs

@@ -65,8 +65,7 @@ public partial class MareHub
         };
         await _dbContext.ClientPairs.AddAsync(wl).ConfigureAwait(false);
 
-        _cacheService.MarkAsStale(UserUID, otherUser.UID);
+        var existingData = await GetPairInfo(UserUID, otherUser.UID).ConfigureAwait(false);
-        var existingData = await _cacheService.GetPairData(UserUID, otherUser.UID, _dbContext).ConfigureAwait(false);
 
         var permissions = existingData?.OwnPermissions;
         if (permissions == null || !permissions.Sticky)
@@ -102,7 +101,6 @@ public partial class MareHub
         }
 
         await _dbContext.SaveChangesAsync().ConfigureAwait(false);
-        _cacheService.MarkAsStale(UserUID, otherUser.UID);
 
         // get the opposite entry of the client pair
         var otherEntry = OppositeEntry(otherUser.UID);
@@ -171,7 +169,7 @@ public partial class MareHub
     {
         _logger.LogCallInfo();
 
-        var pairs = await _cacheService.GetAllPairs(UserUID, _dbContext, true).ConfigureAwait(false);
+        var pairs = await GetAllPairInfo(UserUID).ConfigureAwait(false);
         return pairs.Select(p =>
         {
             return new UserFullPairDto(new UserData(p.Key, p.Value.Alias),
@@ -263,7 +261,7 @@ public partial class MareHub
             + string.Join(Environment.NewLine, invalidFileSwapPaths.Select(p => "Invalid FileSwap Path: " + p)));
         }
 
-        var allPairs = await _cacheService.GetAllPairs(UserUID, _dbContext).ConfigureAwait(false);
+        var allPairs = await GetAllPairInfo(UserUID).ConfigureAwait(false);
         allPairs.Where(p => !p.Value.OwnPermissions.IsPaused && p.Value.OtherPermissions != null && !p.Value.OtherPermissions.IsPaused).ToList();
 
         var allPairedUsers = await GetAllPairedUnpausedUsers().ConfigureAwait(false);
@@ -291,12 +289,11 @@ public partial class MareHub
             await _dbContext.ClientPairs.SingleOrDefaultAsync(w => w.UserUID == UserUID && w.OtherUserUID == dto.User.UID).ConfigureAwait(false);
         if (callerPair == null) return;
 
-        var pairData = await _cacheService.GetPairData(UserUID, dto.User.UID, _dbContext).ConfigureAwait(false);
+        var pairData = await GetPairInfo(UserUID, dto.User.UID).ConfigureAwait(false);
 
         // delete from database, send update info to users pair list
         _dbContext.ClientPairs.Remove(callerPair);
         await _dbContext.SaveChangesAsync().ConfigureAwait(false);
-        _cacheService.MarkAsStale(UserUID, dto.User.UID);
 
         _logger.LogCallInfo(MareHubLogger.Args(dto, "Success"));
 
@@ -323,7 +320,7 @@ public partial class MareHub
         // if the either had paused, do nothing
         if (callerHadPaused && otherHadPaused) return;
 
-        var currentPairData = await _cacheService.GetPairData(UserUID, dto.User.UID, _dbContext).ConfigureAwait(false);
+        var currentPairData = await GetPairInfo(UserUID, dto.User.UID).ConfigureAwait(false);
 
         // if neither user had paused each other and either is not in an unpaused group with each other, change state to offline
         if (!currentPairData?.IsSynced ?? true)
@@ -384,7 +381,7 @@ public partial class MareHub
         UserPermissionSet prevPermissions = await _dbContext.Permissions.SingleOrDefaultAsync(w => w.UserUID == UserUID && w.OtherUserUID == dto.User.UID).ConfigureAwait(false);
         if (prevPermissions == null) return; // you always should have permissions to another user
 
-        var oldPairData = await _cacheService.GetPairData(UserUID, dto.User.UID, _dbContext).ConfigureAwait(false);
+        var oldPairData = await GetPairInfo(UserUID, dto.User.UID).ConfigureAwait(false);
         bool setSticky = false;
         if (!oldPairData.GIDs.Contains(Constants.IndividualKeyword, StringComparer.Ordinal))
         {
@@ -404,7 +401,6 @@ public partial class MareHub
         prevPermissions.Sticky = dto.Permissions.IsSticky() || setSticky;
         _dbContext.Update(prevPermissions);
         await _dbContext.SaveChangesAsync().ConfigureAwait(false);
-        _cacheService.MarkAsStale(UserUID, dto.User.UID);
 
         _logger.LogCallInfo(MareHubLogger.Args(dto, "Success"));
 
@@ -414,7 +410,7 @@ public partial class MareHub
         await Clients.User(UserUID).Client_UserUpdateSelfPairPermissions(new UserPermissionsDto(dto.User, permCopy)).ConfigureAwait(false);
         await Clients.User(dto.User.UID).Client_UserUpdateOtherPairPermissions(new UserPermissionsDto(new UserData(UserUID), dto.Permissions)).ConfigureAwait(false);
 
-        var newPairData = await _cacheService.GetPairData(UserUID, dto.User.UID, _dbContext).ConfigureAwait(false);
+        var newPairData = await GetPairInfo(UserUID, dto.User.UID).ConfigureAwait(false);
 
         if (newPairData.OwnPermissions.IsPaused != oldPairData.OwnPermissions.IsPaused)
         {

MareSynchronosServer/MareSynchronosServer/Hubs/MareHub.cs

@@ -30,14 +30,13 @@ public partial class MareHub : Hub<IMareHub>, IMareHub
     private readonly int _maxJoinedGroupsByUser;
     private readonly int _maxGroupUserCount;
     private readonly IRedisDatabase _redis;
-    private readonly UserPairCacheService _cacheService;
     private readonly Uri _fileServerAddress;
     private readonly Version _expectedClientVersion;
 
     public MareHub(MareMetrics mareMetrics,
         MareDbContext mareDbContext, ILogger<MareHub> logger, SystemInfoService systemInfoService,
         IConfigurationService<ServerConfiguration> configuration, IHttpContextAccessor contextAccessor,
-        IRedisDatabase redisDb, UserPairCacheService cacheService)
+        IRedisDatabase redisDb)
     {
         _mareMetrics = mareMetrics;
         _systemInfoService = systemInfoService;
@@ -49,7 +48,6 @@ public partial class MareHub : Hub<IMareHub>, IMareHub
         _expectedClientVersion = configuration.GetValueOrDefault(nameof(ServerConfiguration.ExpectedClientVersion), new Version(0, 0, 0));
         _contextAccessor = contextAccessor;
         _redis = redisDb;
-        _cacheService = cacheService;
         _logger = new MareHubLogger(this, logger);
         _dbContext = mareDbContext;
     }
@@ -144,7 +142,6 @@ public partial class MareHub : Hub<IMareHub>, IMareHub
                 _logger.LogCallWarning(MareHubLogger.Args(_contextAccessor.GetIpAddress(), exception.Message, exception.StackTrace));
 
             await RemoveUserFromRedis().ConfigureAwait(false);
-            _cacheService.ClearCache(UserUID);
 
             await SendOfflineToAllPairedUsers().ConfigureAwait(false);
 

MareSynchronosServer/MareSynchronosServer/Services/UserPairCacheService.cs

@@ -1,217 +0,0 @@
-using MareSynchronos.API.Data;
-using MareSynchronosShared.Data;
-using MareSynchronosShared.Models;
-using Microsoft.EntityFrameworkCore;
-using System.Collections.Concurrent;
-
-namespace MareSynchronosServer.Services;
-
-public class UserPairCacheService : IHostedService
-{
-    private readonly ConcurrentDictionary<string, Dictionary<string, UserInfo>> _cache;
-    private readonly ILogger<UserPairCacheService> _logger;
-    private readonly IDbContextFactory<MareDbContext> _dbContextFactory;
-    private readonly ConcurrentQueue<(string? UID, string? OtherUID)> _staleUserData;
-    public UserPairCacheService(ILogger<UserPairCacheService> logger, IDbContextFactory<MareDbContext> dbContextFactory)
-    {
-        _logger = logger;
-        _dbContextFactory = dbContextFactory;
-        _staleUserData = new();
-        _cache = new(StringComparer.OrdinalIgnoreCase);
-    }
-
-    public void ClearCache(string uid)
-    {
-        _cache.TryRemove(uid, out _);
-    }
-
-    public async Task<Dictionary<string, UserInfo>> GetAllPairs(string uid, MareDbContext dbContext, bool ignoreCache = false)
-    {
-        if (ignoreCache)
-        {
-            _cache[uid] = await BuildFullCache(dbContext, uid).ConfigureAwait(false);
-            return _cache[uid];
-        }
-
-        await WaitForProcessing(uid).ConfigureAwait(false);
-
-        if (!_cache.ContainsKey(uid))
-        {
-            _logger.LogDebug("Building full cache: Did not find PairData for {uid}", uid);
-
-            _cache[uid] = await BuildFullCache(dbContext, uid).ConfigureAwait(false);
-        }
-
-        return _cache[uid];
-    }
-
-    public async Task<UserInfo?> GetPairData(string uid, string otheruid, MareDbContext dbContext)
-    {
-        await WaitForProcessing(uid, otheruid).ConfigureAwait(false);
-
-        if (!_cache.TryGetValue(uid, out var cachedInfos))
-        {
-            _logger.LogDebug("Building full cache: Did not find PairData for {uid}:{otheruid}", uid, otheruid);
-            try
-            {
-                _cache[uid] = cachedInfos = await BuildFullCache(dbContext, uid).ConfigureAwait(false);
-            }
-            catch (Exception ex)
-            {
-                _logger.LogError(ex, "Error during full PairCache calculation of {uid}:{otheruid}", uid, otheruid);
-                return null;
-            }
-        }
-
-        if (!cachedInfos.TryGetValue(otheruid, out var info))
-        {
-            _logger.LogDebug("Building individual cache: Did not find PairData for {uid}:{otheruid}", uid, otheruid);
-            try
-            {
-                info = await BuildIndividualCache(dbContext, uid, otheruid).ConfigureAwait(false);
-                _cache[uid][otheruid] = info;
-            }
-            catch (Exception ex)
-            {
-                _logger.LogError(ex, "Error during individual PairCache calculation of {uid}:{otheruid}", uid, otheruid);
-                return null;
-            }
-        }
-
-        return info;
-    }
-
-    public void MarkAsStale(string? uid, string? otheruid)
-    {
-        if (!_staleUserData.Any(u => string.Equals(u.UID, uid, StringComparison.Ordinal)
-            && string.Equals(u.OtherUID, otheruid, StringComparison.OrdinalIgnoreCase)))
-        {
-            _staleUserData.Enqueue((uid, otheruid));
-        }
-    }
-
-    public Task StartAsync(CancellationToken cancellationToken)
-    {
-        _ = ProcessStaleEntries();
-        return Task.CompletedTask;
-    }
-
-    public Task StopAsync(CancellationToken cancellationToken)
-    {
-        return Task.CompletedTask;
-    }
-
-    private async Task<Dictionary<string, UserInfo>> BuildFullCache(MareDbContext dbContext, string uid)
-    {
-        var pairs = await dbContext.GetAllPairsForUser(uid).ToListAsync().ConfigureAwait(false);
-
-        var pairsDict = pairs.GroupBy(g => g.OtherUserUID, StringComparer.Ordinal)
-            .ToDictionary(g => g.Key, g =>
-            {
-                return new UserInfo(g.First().Alias,
-                    g.SingleOrDefault(p => string.IsNullOrEmpty(p.GID))?.Synced ?? false,
-                    g.Max(p => p.Synced),
-                    g.Select(p => string.IsNullOrEmpty(p.GID) ? Constants.IndividualKeyword : p.GID).ToList(),
-                    g.First().OwnPermissions,
-                    g.First().OtherPermissions);
-            }, StringComparer.OrdinalIgnoreCase);
-
-        return pairsDict.Where(p => p.Value.OwnPermissions != null).ToDictionary(u => u.Key, u => u.Value, StringComparer.Ordinal);
-    }
-
-    private async Task<UserInfo?> BuildIndividualCache(MareDbContext dbContext, string uid, string otheruid)
-    {
-        var pairs = (await dbContext.GetAllPairsForUser(uid).ToListAsync().ConfigureAwait(false)).Where(u => string.Equals(u.OtherUserUID, otheruid, StringComparison.Ordinal)).ToList();
-
-        if (!pairs.Any()) return null;
-
-        var groups = pairs.Select(g => g.GID).ToList();
-        var userInfo = new UserInfo(pairs[0].Alias,
-            pairs.SingleOrDefault(p => string.IsNullOrEmpty(p.GID))?.Synced ?? false,
-            pairs.Max(p => p.Synced),
-            pairs.Select(p => string.IsNullOrEmpty(p.GID) ? Constants.IndividualKeyword : p.GID).ToList(),
-            pairs[0].OwnPermissions,
-            pairs[0].OtherPermissions);
-
-        return userInfo.OwnPermissions == null ? null : userInfo;
-    }
-
-    private async Task ProcessStaleEntries()
-    {
-        while (true)
-        {
-            await Task.Delay(250).ConfigureAwait(false);
-            if (_staleUserData.Any())
-            {
-                _logger.LogDebug("Processing Stale Entries");
-
-                using var dbContext = await _dbContextFactory.CreateDbContextAsync().ConfigureAwait(false);
-                while (_staleUserData.TryDequeue(out var staleUserPair))
-                {
-                    try
-                    {
-                        if (staleUserPair.UID == null)
-                        {
-                            foreach (var entry in _cache.Where(c => c.Value.ContainsKey(staleUserPair.OtherUID)).Select(k => k.Key).Distinct(StringComparer.Ordinal).ToList())
-                            {
-                                _logger.LogDebug("UID is null; Building Individual Cache for {user}:{user2}", staleUserPair.UID, entry);
-                                _staleUserData.Enqueue(new(staleUserPair.OtherUID, entry));
-                            }
-                        }
-                        else if (staleUserPair.OtherUID == null)
-                        {
-                            foreach (var entry in _cache.Where(c => c.Value.ContainsKey(staleUserPair.UID)).Select(k => k.Key).Distinct(StringComparer.Ordinal).ToList())
-                            {
-                                _logger.LogDebug("OtherUID is null; Building Individual Cache for {user}:{user2}", staleUserPair.UID, entry);
-                                _staleUserData.Enqueue(new(staleUserPair.UID, entry));
-                            }
-                        }
-                        else
-                        {
-                            if (_cache.ContainsKey(staleUserPair.UID))
-                            {
-                                _logger.LogDebug("Building Individual Cache for {user}:{user2}", staleUserPair.UID, staleUserPair.OtherUID);
-
-                                var userInfo = await BuildIndividualCache(dbContext, staleUserPair.UID, staleUserPair.OtherUID).ConfigureAwait(false);
-
-                                if (userInfo == null) _cache[staleUserPair.UID].Remove(staleUserPair.OtherUID);
-                                else _cache[staleUserPair.UID][staleUserPair.OtherUID] = userInfo;
-
-                                if (_cache.ContainsKey(staleUserPair.OtherUID))
-                                {
-                                    _logger.LogDebug("Building Individual Cache for {user}:{user2}", staleUserPair.OtherUID, staleUserPair.UID);
-                                    var otherUserInfo = await BuildIndividualCache(dbContext, staleUserPair.OtherUID, staleUserPair.UID).ConfigureAwait(false);
-                                    if (otherUserInfo == null) _cache[staleUserPair.OtherUID].Remove(staleUserPair.UID);
-                                    else _cache[staleUserPair.OtherUID][staleUserPair.UID] = otherUserInfo;
-                                }
-                            }
-                        }
-                    }
-                    catch (Exception ex)
-                    {
-                        _logger.LogError(ex, "Error during Stale entry processing");
-                    }
-                }
-
-            }
-        }
-    }
-
-    private async Task WaitForProcessing(string uid)
-    {
-        while (_staleUserData.Any(u => string.Equals(u.UID, uid, StringComparison.Ordinal)))
-        {
-            await Task.Delay(50).ConfigureAwait(false);
-        }
-    }
-
-    private async Task WaitForProcessing(string uid, string otheruid)
-    {
-        while (_staleUserData.Any(u => string.Equals(u.UID, uid, StringComparison.Ordinal) && string.Equals(u.OtherUID, otheruid, StringComparison.Ordinal)))
-        {
-            await Task.Delay(50).ConfigureAwait(false);
-        }
-    }
-
-    public record UserInfo(string Alias, bool IndividuallyPaired, bool IsSynced, List<string> GIDs, UserPermissionSet? OwnPermissions, UserPermissionSet? OtherPermissions);
-}

MareSynchronosServer/MareSynchronosServer/Startup.cs

@@ -90,9 +90,7 @@ public class Startup
 
         services.AddSingleton<ServerTokenGenerator>();
         services.AddSingleton<SystemInfoService>();
-        services.AddSingleton<UserPairCacheService>();
         services.AddHostedService(provider => provider.GetService<SystemInfoService>());
-        services.AddHostedService(p => p.GetService<UserPairCacheService>());
         // configure services based on main server status
         ConfigureServicesBasedOnShardType(services, mareConfig, isMainServer);
 

MareSynchronosServer/MareSynchronosServer/Utils/Extensions.cs

@@ -2,7 +2,7 @@
 using MareSynchronos.API.Data.Enum;
 using MareSynchronos.API.Data.Extensions;
 using MareSynchronosShared.Models;
-using static MareSynchronosServer.Services.UserPairCacheService;
+using static MareSynchronosServer.Hubs.MareHub;
 
 namespace MareSynchronosServer.Utils;