dotnet-ef migrations add LocationSharing

Reviewed-on: #48

.gitignore

@@ -350,4 +350,5 @@ MigrationBackup/
 .ionide/
 
 # docker run data
-Docker/run/data/
+Docker/run/data/
+*.idea

LightlessSyncServer/LightlessSyncServer/Hubs/LightlessHub.Chat.cs

@@ -41,8 +41,10 @@ public partial class LightlessHub
 
         var groupInfos = await DbContext.Groups
             .AsNoTracking()
-            .Where(g => g.OwnerUID == userUid
+            .Where(g => g.ChatEnabled
+                        && (g.OwnerUID == userUid
                         || DbContext.GroupPairs.Any(p => p.GroupGID == g.GID && p.GroupUserUID == userUid))
+                        )
             .ToListAsync()
             .ConfigureAwait(false);
 
@@ -162,6 +164,13 @@ public partial class LightlessHub
                     throw new HubException("Unsupported chat channel.");
                 }
 
+                if (!group.ChatEnabled)
+                {
+                    TryInvokeChatService(() => _chatChannelService.RemovePresence(UserUID, channel), "removing chat presence", channel);
+                    await Clients.Caller.Client_ReceiveServerMessage(MessageSeverity.Warning, "This Syncshell chat is disabled.").ConfigureAwait(false);
+                    return;
+                }
+
                 var isMember = string.Equals(group.OwnerUID, UserUID, StringComparison.Ordinal)
                     || await DbContext.GroupPairs
                         .AsNoTracking()
@@ -207,6 +216,23 @@ public partial class LightlessHub
 
         var channel = request.Channel.WithNormalizedCustomKey();
 
+        if (channel.Type == ChatChannelType.Group)
+        {
+            var groupId = channel.CustomKey ?? string.Empty;
+            var chatEnabled = !string.IsNullOrEmpty(groupId) && await DbContext.Groups
+                .AsNoTracking()
+                .Where(g => g.GID == groupId)
+                .Select(g => g.ChatEnabled)
+                .SingleOrDefaultAsync(RequestAbortedToken)
+                .ConfigureAwait(false);
+
+            if (!chatEnabled)
+            {
+                await Clients.Caller.Client_ReceiveServerMessage(MessageSeverity.Warning, "This Syncshell chat is disabled.").ConfigureAwait(false);
+                return;
+            }
+        }
+
         if (await HandleIfChatBannedAsync(UserUID).ConfigureAwait(false))
         {
             throw new HubException("Chat access has been revoked.");

LightlessSyncServer/LightlessSyncServer/Hubs/LightlessHub.ClientStubs.cs

@@ -40,5 +40,6 @@ namespace LightlessSyncServer.Hubs
         public Task Client_GposeLobbyPushPoseData(UserData userData, PoseData poseData) => throw new PlatformNotSupportedException("Calling clientside method on server not supported");
         public Task Client_GposeLobbyPushWorldData(UserData userData, WorldData worldData) => throw new PlatformNotSupportedException("Calling clientside method on server not supported");
         public Task Client_ChatReceive(ChatMessageDto message) => throw new PlatformNotSupportedException("Calling clientside method on server not supported");
+        public Task Client_SendLocationToClient(LocationDto locationDto) => throw new PlatformNotSupportedException("Calling clientside method on server not supported");
     }
 }

LightlessSyncServer/LightlessSyncServer/Hubs/LightlessHub.Functions.cs

@@ -585,6 +585,11 @@ public partial class LightlessHub
 
         return await result.Distinct().AsNoTracking().ToListAsync().ConfigureAwait(false);
     }
+    
+    private async Task CleanVisibilityCacheFromRedis()
+    {
+        await _redis.RemoveAsync($"Visibility:{UserUID}", CommandFlags.FireAndForget).ConfigureAwait(false);
+    }
 
     public record UserInfo(
         string Alias,

LightlessSyncServer/LightlessSyncServer/Hubs/LightlessHub.Groups.cs

@@ -1,6 +1,7 @@
 using LightlessSync.API.Data;
 using LightlessSync.API.Data.Enum;
 using LightlessSync.API.Data.Extensions;
+using LightlessSync.API.Dto.Chat;
 using LightlessSync.API.Dto.Group;
 using LightlessSync.API.Dto.User;
 using LightlessSyncServer.Models;
@@ -11,10 +12,8 @@ using LightlessSyncShared.Utils;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.SignalR;
 using Microsoft.EntityFrameworkCore;
-using Newtonsoft.Json.Linq;
 using SixLabors.ImageSharp;
-using SixLabors.ImageSharp.PixelFormats;
-using System.Reflection;
+using System.Collections.Concurrent;
 using System.Security.Cryptography;
 
 namespace LightlessSyncServer.Hubs;
@@ -52,6 +51,8 @@ public partial class LightlessHub
         _logger.LogCallInfo(LightlessHubLogger.Args(dto, "Success"));
     }
 
+    private static readonly ConcurrentDictionary<string, DateTime> GroupChatToggleCooldowns = new(StringComparer.Ordinal);
+
     [Authorize(Policy = "Identified")]
     public async Task GroupChangeGroupPermissionState(GroupPermissionDto dto)
     {
@@ -60,15 +61,73 @@ public partial class LightlessHub
         var (hasRights, group) = await TryValidateGroupModeratorOrOwner(dto.Group.GID).ConfigureAwait(false);
         if (!hasRights) return;
 
-        group.InvitesEnabled = !dto.Permissions.HasFlag(GroupPermissions.DisableInvites);
-        group.PreferDisableSounds = dto.Permissions.HasFlag(GroupPermissions.PreferDisableSounds);
-        group.PreferDisableAnimations = dto.Permissions.HasFlag(GroupPermissions.PreferDisableAnimations);
-        group.PreferDisableVFX = dto.Permissions.HasFlag(GroupPermissions.PreferDisableVFX);
+        var permissions = dto.Permissions;
+        var isOwner = string.Equals(group.OwnerUID, UserUID, StringComparison.Ordinal);
+        var chatEnabled = group.ChatEnabled;
+        var chatChanged = false;
+
+        if (!isOwner)
+        {
+            permissions.SetDisableChat(!group.ChatEnabled);
+        }
+        else
+        {
+            var requestedChatEnabled = !permissions.IsDisableChat();
+            if (requestedChatEnabled != group.ChatEnabled)
+            {
+                var now = DateTime.UtcNow;
+                if (GroupChatToggleCooldowns.TryGetValue(group.GID, out var lockedUntil) && lockedUntil > now)
+                {
+                    var remaining = lockedUntil - now;
+                    var minutes = Math.Max(1, (int)Math.Ceiling(remaining.TotalMinutes));
+                    await Clients.Caller.Client_ReceiveServerMessage(
+                        MessageSeverity.Warning,
+                        $"Syncshell chat can be toggled again in {minutes} minute{(minutes == 1 ? string.Empty : "s")}."
+                    ).ConfigureAwait(false);
+                    permissions.SetDisableChat(!group.ChatEnabled);
+                }
+                else
+                {
+                    chatEnabled = requestedChatEnabled;
+                    group.ChatEnabled = chatEnabled;
+                    GroupChatToggleCooldowns[group.GID] = now.AddMinutes(5);
+                    chatChanged = true;
+                }
+            }
+        }
+
+        group.InvitesEnabled = !permissions.HasFlag(GroupPermissions.DisableInvites);
+        group.PreferDisableSounds = permissions.HasFlag(GroupPermissions.PreferDisableSounds);
+        group.PreferDisableAnimations = permissions.HasFlag(GroupPermissions.PreferDisableAnimations);
+        group.PreferDisableVFX = permissions.HasFlag(GroupPermissions.PreferDisableVFX);
 
         await DbContext.SaveChangesAsync(RequestAbortedToken).ConfigureAwait(false);
 
         var groupPairs = DbContext.GroupPairs.Where(p => p.GroupGID == dto.Group.GID).Select(p => p.GroupUserUID).ToList();
-        await Clients.Users(groupPairs).Client_GroupChangePermissions(new GroupPermissionDto(dto.Group, dto.Permissions)).ConfigureAwait(false);
+        await Clients.Users(groupPairs).Client_GroupChangePermissions(new GroupPermissionDto(dto.Group, permissions)).ConfigureAwait(false);
+
+        if (isOwner && chatChanged && !chatEnabled)
+        {
+            var groupDisplayName = string.IsNullOrWhiteSpace(group.Alias) ? group.GID : group.Alias;
+            var descriptor = new ChatChannelDescriptor
+            {
+                Type = ChatChannelType.Group,
+                WorldId = 0,
+                ZoneId = 0,
+                CustomKey = group.GID
+            };
+
+            foreach (var uid in groupPairs)
+            {
+                TryInvokeChatService(() => _chatChannelService.RemovePresence(uid, descriptor), "removing group chat presence", descriptor, uid);
+            }
+
+            await Clients.Users(groupPairs)
+                .Client_ReceiveServerMessage(
+                    MessageSeverity.Information,
+                    $"Syncshell chat for '{groupDisplayName}' has been disabled.")
+                .ConfigureAwait(false);
+        }
     }
 
     [Authorize(Policy = "Identified")]
@@ -235,6 +294,7 @@ public partial class LightlessHub
             PreferDisableAnimations = defaultPermissions.DisableGroupAnimations,
             PreferDisableSounds = defaultPermissions.DisableGroupSounds,
             PreferDisableVFX = defaultPermissions.DisableGroupVFX,
+            ChatEnabled = true,
             CreatedDate = currentTime,
         };
 
@@ -444,6 +504,7 @@ public partial class LightlessHub
             preferredPermissions.DisableVFX = dto.GroupUserPreferredPermissions.IsDisableVFX();
             preferredPermissions.DisableAnimations = dto.GroupUserPreferredPermissions.IsDisableAnimations();
             preferredPermissions.IsPaused = false;
+            preferredPermissions.ShareLocation = dto.GroupUserPreferredPermissions.IsSharingLocation();
             DbContext.Update(preferredPermissions);
         }
 
@@ -489,7 +550,8 @@ public partial class LightlessHub
                         DisableSounds = preferredPermissions.DisableSounds,
                         DisableVFX = preferredPermissions.DisableVFX,
                         IsPaused = preferredPermissions.IsPaused,
-                        Sticky = false
+                        Sticky = false,
+                        ShareLocation = preferredPermissions.ShareLocation,
                     };
 
                     await DbContext.Permissions.AddAsync(ownPermissionsToOther).ConfigureAwait(false);
@@ -501,6 +563,7 @@ public partial class LightlessHub
                     existingPermissionsOnDb.DisableVFX = preferredPermissions.DisableVFX;
                     existingPermissionsOnDb.IsPaused = false;
                     existingPermissionsOnDb.Sticky = false;
+                    existingPermissionsOnDb.ShareLocation = preferredPermissions.ShareLocation;
 
                     DbContext.Update(existingPermissionsOnDb);
 
@@ -516,6 +579,7 @@ public partial class LightlessHub
                 ownPermissionsToOther.DisableVFX = preferredPermissions.DisableVFX;
                 ownPermissionsToOther.DisableSounds = preferredPermissions.DisableSounds;
                 ownPermissionsToOther.IsPaused = false;
+                ownPermissionsToOther.ShareLocation = preferredPermissions.ShareLocation;
 
                 DbContext.Update(ownPermissionsToOther);
             }
@@ -537,7 +601,8 @@ public partial class LightlessHub
                         DisableSounds = otherPreferred.DisableSounds,
                         DisableVFX = otherPreferred.DisableVFX,
                         IsPaused = otherPreferred.IsPaused,
-                        Sticky = false
+                        Sticky = false,
+                        ShareLocation = otherPreferred.ShareLocation,
                     };
 
                     await DbContext.AddAsync(otherExistingPermsOnDb).ConfigureAwait(false);
@@ -549,6 +614,7 @@ public partial class LightlessHub
                     otherExistingPermsOnDb.DisableSounds = otherPreferred.DisableSounds;
                     otherExistingPermsOnDb.DisableVFX = otherPreferred.DisableVFX;
                     otherExistingPermsOnDb.IsPaused = otherPreferred.IsPaused;
+                    otherExistingPermsOnDb.ShareLocation = otherPreferred.ShareLocation;
 
                     DbContext.Update(otherExistingPermsOnDb);
                 }
@@ -562,6 +628,7 @@ public partial class LightlessHub
                 otherPermissionToSelf.DisableSounds = otherPreferred.DisableSounds;
                 otherPermissionToSelf.DisableVFX = otherPreferred.DisableVFX;
                 otherPermissionToSelf.IsPaused = otherPreferred.IsPaused;
+                otherPermissionToSelf.ShareLocation = otherPreferred.ShareLocation;
 
                 DbContext.Update(otherPermissionToSelf);
             }
@@ -864,12 +931,6 @@ public partial class LightlessHub
             {
                 groupProfileDb.Group ??= group;
 
-                if (groupProfileDb?.ProfileDisabled ?? false)
-                {
-                    await Clients.Caller.Client_ReceiveServerMessage(MessageSeverity.Error, "Your profile was permanently disabled and cannot be edited").ConfigureAwait(false);
-                    return;
-                }
-
                 groupProfileDb.UpdateProfileFromDto(dto, sanitizedProfileImage, sanitizedBannerImage);
             }
 

LightlessSyncServer/LightlessSyncServer/Hubs/LightlessHub.Permissions.cs

@@ -66,6 +66,7 @@ public partial class LightlessHub
             prevPermissions.DisableSounds = newPerm.IsDisableSounds();
             prevPermissions.DisableVFX = newPerm.IsDisableVFX();
             prevPermissions.Sticky = newPerm.IsSticky() || setSticky;
+            prevPermissions.ShareLocation = newPerm.IsSharingLocation();
             DbContext.Update(prevPermissions);
 
             // send updated data to pair
@@ -112,6 +113,7 @@ public partial class LightlessHub
             groupPreferredPermissions.DisableAnimations = group.Value.IsDisableAnimations();
             groupPreferredPermissions.IsPaused = group.Value.IsPaused();
             groupPreferredPermissions.DisableVFX = group.Value.IsDisableVFX();
+            groupPreferredPermissions.ShareLocation = group.Value.IsSharingLocation();
 
             var nonStickyPairs = allUsers.Where(u => !u.Value.OwnPermissions.Sticky).ToList();
             var affectedGroupPairs = nonStickyPairs.Where(u => u.Value.GIDs.Contains(group.Key, StringComparer.Ordinal)).ToList();
@@ -126,6 +128,7 @@ public partial class LightlessHub
                 perm.DisableAnimations = groupPreferredPermissions.DisableAnimations;
                 perm.IsPaused = groupPreferredPermissions.IsPaused;
                 perm.DisableVFX = groupPreferredPermissions.DisableVFX;
+                perm.ShareLocation = groupPreferredPermissions.ShareLocation;
             }
 
             UserPermissions permissions = UserPermissions.NoneSet;
@@ -133,6 +136,7 @@ public partial class LightlessHub
             permissions.SetDisableAnimations(groupPreferredPermissions.DisableAnimations);
             permissions.SetDisableSounds(groupPreferredPermissions.DisableSounds);
             permissions.SetDisableVFX(groupPreferredPermissions.DisableVFX);
+            permissions.SetShareLocation(groupPreferredPermissions.ShareLocation);
 
             await Clients.Users(affectedGroupPairs
                 .Select(k => k.Key))

LightlessSyncServer/LightlessSyncServer/Hubs/LightlessHub.User.cs

@@ -86,7 +86,8 @@ public partial class LightlessHub
                 DisableSounds = ownDefaultPermissions.DisableIndividualSounds,
                 DisableVFX = ownDefaultPermissions.DisableIndividualVFX,
                 IsPaused = false,
-                Sticky = true
+                Sticky = true,
+                ShareLocation = false,
             };
 
             var existingDbPerms = await DbContext.Permissions.SingleOrDefaultAsync(u => u.UserUID == UserUID && u.OtherUserUID == otherUser.UID, cancellationToken: RequestAbortedToken).ConfigureAwait(false);
@@ -101,6 +102,7 @@ public partial class LightlessHub
                 existingDbPerms.DisableVFX = permissions.DisableVFX;
                 existingDbPerms.IsPaused = false;
                 existingDbPerms.Sticky = true;
+                existingDbPerms.ShareLocation = permissions.ShareLocation;
 
                 DbContext.Permissions.Update(existingDbPerms);
             }
@@ -1171,12 +1173,6 @@ public partial class LightlessHub
                 return;
             }
 
-            if (profileData.ProfileDisabled)
-            {
-                await Clients.Caller.Client_ReceiveServerMessage(MessageSeverity.Error, "Your profile was permanently disabled and cannot be edited").ConfigureAwait(false);
-                return;
-            }
-
             profileData.UpdateProfileFromDto(dto, profileResult.Base64Image, bannerResult.Base64Image);
         }
         else
@@ -1238,6 +1234,84 @@ public partial class LightlessHub
         errorMessage = string.Empty;
         return true;
     }
+    
+    
+    [Authorize(Policy = "Identified")]
+    public async Task UpdateLocation(LocationDto dto, bool offline = false)
+    {
+        _logger.LogCallInfo(LightlessHubLogger.Args(UserUID,dto));
+        if (string.IsNullOrEmpty(dto.user.UID))
+        {
+            _logger.LogCallWarning(LightlessHubLogger.Args("LocationDto with no userinfo :",UserUID, dto));
+            return;
+        }
+
+        if (!string.Equals(UserUID, dto.user.UID, StringComparison.Ordinal))
+        {
+            _logger.LogCallWarning(LightlessHubLogger.Args("LocationDto with another UID :",UserUID, dto));
+            return;
+        }
+        
+        var visibilityCacheKey = $"Visibility:{UserUID}";
+        
+        var allUsers = await _redis.GetAsync<List<string>>(visibilityCacheKey).ConfigureAwait(false);
+        if (allUsers == null)
+        {
+            var permissibleGroupGIDsQuery = DbContext.GroupPairPreferredPermissions.AsNoTracking()
+                .Where(gpp => gpp.UserUID == dto.user.UID && !gpp.IsPaused && gpp.ShareLocation == true)
+                .Select(gpp => gpp.GroupGID);
+
+            var groupUserUIDsQuery = DbContext.GroupPairs.AsNoTracking()
+                .Where(gp => permissibleGroupGIDsQuery.Contains(gp.GroupGID))
+                .Select(gp => gp.GroupUserUID);
+
+            var directlySharedUserUIDsQuery = DbContext.Permissions.AsNoTracking()
+                .Where(p => p.UserUID == dto.user.UID && !p.IsPaused && p.ShareLocation == true)
+                .Select(p => p.OtherUserUID);
+
+            allUsers = await directlySharedUserUIDsQuery
+                .Union(groupUserUIDsQuery)
+                .Distinct()
+                .ToListAsync().ConfigureAwait(false);
+            
+            await _redis.AddAsync(
+                visibilityCacheKey, 
+                allUsers, 
+                TimeSpan.FromMinutes(30), 
+                StackExchange.Redis.When.Always, 
+                StackExchange.Redis.CommandFlags.FireAndForget
+            ).ConfigureAwait(false);
+        }
+        
+        var key = $"Location:{UserUID}";
+        
+        if (offline)
+        {
+            await _redis.RemoveAsync(key, StackExchange.Redis.CommandFlags.FireAndForget).ConfigureAwait(false);
+            await Clients.Users(allUsers).Client_SendLocationToClient(dto).ConfigureAwait(false);
+        }
+        else
+        {
+            var currentLocation = await _redis.GetAsync<LocationDto>(key).ConfigureAwait(false);
+            
+            await _redis.AddAsync(key, dto).ConfigureAwait(false);
+            if (allUsers.Count != 0 && currentLocation != dto)
+            {
+                await Clients.Users(allUsers).Client_SendLocationToClient(dto).ConfigureAwait(false);
+            }
+        }
+    }
+
+    [Authorize(Policy = "Identified")]
+    public async Task<List<LocationDto>> RequestAllLocationInfo()
+    {
+        _logger.LogCallInfo();
+        var uids = DbContext.Permissions.AsNoTracking().Where(x => x.OtherUserUID == UserUID && x.ShareLocation == true)
+            .Select(x => x.UserUID).ToList();
+        var data =await _redis.GetAllAsync<LocationDto>(uids.Select(x => $"Location:{x}").ToHashSet(StringComparer.Ordinal))
+            .ConfigureAwait(false);
+        return data.Where(x => x.Value is not null).Select(x => x.Value).ToList();
+    }
 
     [GeneratedRegex(@"^([a-z0-9_ '+&,\.\-\{\}]+\/)+([a-z0-9_ '+&,\.\-\{\}]+\.[a-z]{3,4})$", RegexOptions.IgnoreCase | RegexOptions.Compiled | RegexOptions.ECMAScript)]
     private static partial Regex GamePathRegex();

LightlessSyncServer/LightlessSyncServer/Hubs/LightlessHub.cs

@@ -16,6 +16,8 @@ using Microsoft.AspNetCore.SignalR;
 using Microsoft.EntityFrameworkCore;
 using StackExchange.Redis.Extensions.Core.Abstractions;
 using System.Collections.Concurrent;
+using LightlessSync.API.Dto.CharaData;
+using LightlessSync.API.Dto.User;
 using LightlessSyncServer.Services.Interfaces;
 
 namespace LightlessSyncServer.Hubs;
@@ -219,6 +221,9 @@ public partial class LightlessHub : Hub<ILightlessHub>, ILightlessHub
                 _lightlessCensus.ClearStatistics(UserUID);
 
                 await SendOfflineToAllPairedUsers().ConfigureAwait(false);
+                
+                await UpdateLocation(new LocationDto(new UserData(UserUID), new LocationInfo()), offline: true).ConfigureAwait(false);
+                await CleanVisibilityCacheFromRedis().ConfigureAwait(false);
 
                 DbContext.RemoveRange(DbContext.Files.Where(f => !f.Uploaded && f.UploaderUID == UserUID));
                 await DbContext.SaveChangesAsync().ConfigureAwait(false);

LightlessSyncServer/LightlessSyncServer/Services/PairService.cs

@@ -67,6 +67,7 @@ public class PairService
                     DisableVFX = defaultPerms.DisableIndividualVFX,
                     IsPaused = false,
                     Sticky = true,
+                    ShareLocation = false,
                 });
                 modified = true;
             }
@@ -88,6 +89,7 @@ public class PairService
                     DisableVFX = defaultPerms.DisableIndividualVFX,
                     IsPaused = false,
                     Sticky = true,
+                    ShareLocation = false,
                 });
                 modified = true;
             }

LightlessSyncServer/LightlessSyncServer/Utils/Extensions.cs

@@ -118,6 +118,7 @@ public static class Extensions
         permissions.SetPreferDisableSounds(group.PreferDisableSounds);
         permissions.SetPreferDisableVFX(group.PreferDisableVFX);
         permissions.SetDisableInvites(!group.InvitesEnabled);
+        permissions.SetDisableChat(!group.ChatEnabled);
         return permissions;
     }
 
@@ -128,6 +129,7 @@ public static class Extensions
         permissions.SetDisableSounds(groupPair.DisableSounds);
         permissions.SetPaused(groupPair.IsPaused);
         permissions.SetDisableVFX(groupPair.DisableVFX);
+        permissions.SetShareLocation(groupPair.ShareLocation);
         return permissions;
     }
 
@@ -148,6 +150,7 @@ public static class Extensions
         perm.SetDisableAnimations(permissions.DisableAnimations);
         perm.SetDisableSounds(permissions.DisableSounds);
         perm.SetDisableVFX(permissions.DisableVFX);
+        perm.SetShareLocation(permissions.ShareLocation);
         if (setSticky)
             perm.SetSticky(permissions.Sticky);
         return perm;

LightlessSyncServer/LightlessSyncShared/Data/LightlessDbContext.cs

@@ -80,6 +80,9 @@ public class LightlessDbContext : DbContext
         .WithOne(p => p.Group)
         .HasForeignKey<GroupProfile>(p => p.GroupGID)
         .IsRequired(false);
+        mb.Entity<Group>()
+        .Property(g => g.ChatEnabled)
+        .HasDefaultValue(true);
         mb.Entity<GroupPair>().ToTable("group_pairs");
         mb.Entity<GroupPair>().HasKey(u => new { u.GroupGID, u.GroupUserUID });
         mb.Entity<GroupPair>().HasIndex(c => c.GroupUserUID);

LightlessSyncServer/LightlessSyncShared/Migrations/20251222024252_DisableChatGroups.cs

@@ -0,0 +1,29 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace LightlessSyncServer.Migrations
+{
+    /// <inheritdoc />
+    public partial class DisableChatGroups : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<bool>(
+                name: "chat_enabled",
+                table: "groups",
+                type: "boolean",
+                nullable: false,
+                defaultValue: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "chat_enabled",
+                table: "groups");
+        }
+    }
+}

LightlessSyncServer/LightlessSyncShared/Migrations/20251227120132_LocationSharing.cs

@@ -0,0 +1,40 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace LightlessSyncServer.Migrations
+{
+    /// <inheritdoc />
+    public partial class LocationSharing : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<bool>(
+                name: "share_location",
+                table: "user_permission_sets",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false);
+
+            migrationBuilder.AddColumn<bool>(
+                name: "share_location",
+                table: "group_pair_preferred_permissions",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "share_location",
+                table: "user_permission_sets");
+
+            migrationBuilder.DropColumn(
+                name: "share_location",
+                table: "group_pair_preferred_permissions");
+        }
+    }
+}

LightlessSyncServer/LightlessSyncShared/Migrations/LightlessDbContextModelSnapshot.cs

@@ -438,6 +438,12 @@ namespace LightlessSyncServer.Migrations
                         .HasColumnType("boolean")
                         .HasColumnName("auto_prune_enabled");
 
+                    b.Property<bool>("ChatEnabled")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("boolean")
+                        .HasDefaultValue(true)
+                        .HasColumnName("chat_enabled");
+
                     b.Property<DateTime>("CreatedDate")
                         .ValueGeneratedOnAdd()
                         .HasColumnType("timestamp with time zone")
@@ -578,6 +584,10 @@ namespace LightlessSyncServer.Migrations
                         .HasColumnType("boolean")
                         .HasColumnName("is_paused");
 
+                    b.Property<bool>("ShareLocation")
+                        .HasColumnType("boolean")
+                        .HasColumnName("share_location");
+
                     b.HasKey("UserUID", "GroupGID")
                         .HasName("pk_group_pair_preferred_permissions");
 
@@ -935,6 +945,10 @@ namespace LightlessSyncServer.Migrations
                         .HasColumnType("boolean")
                         .HasColumnName("is_paused");
 
+                    b.Property<bool>("ShareLocation")
+                        .HasColumnType("boolean")
+                        .HasColumnName("share_location");
+
                     b.Property<bool>("Sticky")
                         .HasColumnType("boolean")
                         .HasColumnName("sticky");

LightlessSyncServer/LightlessSyncShared/Models/Group.cs

@@ -19,5 +19,6 @@ public class Group
     public bool PreferDisableSounds { get; set; }
     public bool PreferDisableAnimations { get; set; }
     public bool PreferDisableVFX { get; set; }
+    public bool ChatEnabled { get; set; } = true;
     public DateTime CreatedDate { get; set; } = DateTime.UtcNow;
 }

LightlessSyncServer/LightlessSyncShared/Models/GroupPairPreferredPermission.cs

@@ -10,4 +10,5 @@ public class GroupPairPreferredPermission
     public bool DisableAnimations { get; set; }
     public bool DisableSounds { get; set; }
     public bool DisableVFX { get; set; }
+    public bool ShareLocation  { get; set; }
 }

LightlessSyncServer/LightlessSyncShared/Models/UserPermissionSet.cs

@@ -15,4 +15,5 @@ public class UserPermissionSet
     public bool DisableAnimations { get; set; } = false;
     public bool DisableVFX { get; set; } = false;
     public bool DisableSounds { get; set; } = false;
+    public bool ShareLocation  { get; set; } = false;
 }

LightlessSyncServer/LightlessSyncStaticFilesServer/Services/CachedFileProvider.cs

@@ -102,36 +102,37 @@ public sealed class CachedFileProvider : IDisposable
 
     private bool TryCopyFromColdStorage(string hash, string destinationFilePath)
     {
-        if (!_configuration.GetValueOrDefault(nameof(StaticFilesServerConfiguration.UseColdStorage), false)) return false;
+		if (!_configuration.GetValueOrDefault(nameof(StaticFilesServerConfiguration.UseColdStorage), false)) return false;
 
-        string coldStorageDir = _configuration.GetValueOrDefault(nameof(StaticFilesServerConfiguration.ColdStorageDirectory), string.Empty);
-        if (string.IsNullOrEmpty(coldStorageDir)) return false;
+		string coldStorageDir = _configuration.GetValueOrDefault(nameof(StaticFilesServerConfiguration.ColdStorageDirectory), string.Empty);
+		if (string.IsNullOrEmpty(coldStorageDir)) return false;
 
-        var coldStorageFilePath = FilePathUtil.GetFileInfoForHash(coldStorageDir, hash);
-        if (coldStorageFilePath == null) return false;
+		var coldStorageFilePath = FilePathUtil.GetFileInfoForHash(coldStorageDir, hash);
+		if (coldStorageFilePath == null) return false;
 
-        try
-        {
-            _logger.LogDebug("Copying {hash} from cold storage: {path}", hash, coldStorageFilePath);
-            var tempFileName = destinationFilePath + ".dl";
-            File.Copy(coldStorageFilePath.FullName, tempFileName, true);
-            File.Move(tempFileName, destinationFilePath, true);
-            coldStorageFilePath.LastAccessTimeUtc = DateTime.UtcNow;
-            var destinationFile = new FileInfo(destinationFilePath);
-            destinationFile.LastAccessTimeUtc = DateTime.UtcNow;
-            destinationFile.CreationTimeUtc = DateTime.UtcNow;
-            destinationFile.LastWriteTimeUtc = DateTime.UtcNow;
-            _metrics.IncGauge(MetricsAPI.GaugeFilesTotal);
-            _metrics.IncGauge(MetricsAPI.GaugeFilesTotalSize, new FileInfo(destinationFilePath).Length);
-            return true;
-        }
-        catch (Exception ex)
-        {
-            _logger.LogWarning(ex, "Could not copy {coldStoragePath} from cold storage", coldStorageFilePath);
-        }
+		try
+		{
+			_logger.LogDebug("Copying {hash} from cold storage: {path}", hash, coldStorageFilePath);
+			var tempFileName = destinationFilePath + ".dl";
+			File.Copy(coldStorageFilePath.FullName, tempFileName, true);
+			File.Move(tempFileName, destinationFilePath, true);
 
-        return false;
-    }
+			File.SetLastAccessTimeUtc(coldStorageFilePath.FullName, DateTime.UtcNow);
+			File.SetLastAccessTimeUtc(destinationFilePath, DateTime.UtcNow);
+			File.SetCreationTimeUtc(destinationFilePath, DateTime.UtcNow);
+			File.SetLastWriteTimeUtc(destinationFilePath, DateTime.UtcNow);
+
+			_metrics.IncGauge(MetricsAPI.GaugeFilesTotal);
+			_metrics.IncGauge(MetricsAPI.GaugeFilesTotalSize, new FileInfo(destinationFilePath).Length);
+			return true;
+		}
+		catch (Exception ex)
+		{
+			_logger.LogWarning(ex, "Could not copy {coldStoragePath} from cold storage", coldStorageFilePath);
+		}
+
+		return false;
+	}
 
     public async Task DownloadFileWhenRequired(string hash)
     {
@@ -170,15 +171,22 @@ public sealed class CachedFileProvider : IDisposable
 
     public FileInfo? GetLocalFilePath(string hash)
     {
-        var fi = FilePathUtil.GetFileInfoForHash(_hotStoragePath, hash);
-        if (fi == null) return null;
+		var fi = FilePathUtil.GetFileInfoForHash(_hotStoragePath, hash);
+		if (fi == null) return null;
 
-        fi.LastAccessTimeUtc = DateTime.UtcNow;
+		try
+		{
+			File.SetLastAccessTimeUtc(fi.FullName, DateTime.UtcNow);
+		}
+		catch (Exception ex)
+		{
+			_logger.LogWarning(ex, "Failed to update LastAccessTimeUtc for file {hash}", hash);
+		}
 
-        _fileStatisticsService.LogFile(hash, fi.Length);
+		_fileStatisticsService.LogFile(hash, fi.Length);
 
-        return new FileInfo(fi.FullName);
-    }
+		return new FileInfo(fi.FullName);
+	}
 
     public async Task<FileInfo?> DownloadAndGetLocalFileInfo(string hash)
     {