🐛 Fixes of accounts mentioned messages unable to send

DysonNetwork.Pass/Account/AccountServiceGrpc.cs

@@ -57,6 +57,19 @@ public class AccountServiceGrpc(
         return response;
     }
 
+    public override async Task<GetAccountBatchResponse> LookupAccountBatch(LookupAccountBatchRequest request, ServerCallContext context)
+    {
+        var accountNames = request.Names.ToList();
+        var accounts = await _db.Accounts
+            .AsNoTracking()
+            .Where(a => accountNames.Contains(a.Name))
+            .Include(a => a.Profile)
+            .ToListAsync();
+        var response = new GetAccountBatchResponse();
+        response.Accounts.AddRange(accounts.Select(a => a.ToProtoValue()));
+        return response;
+    }
+
     public override async Task<ListAccountsResponse> ListAccounts(ListAccountsRequest request,
         ServerCallContext context)
     {

DysonNetwork.Shared/Proto/account.proto

@@ -218,6 +218,7 @@ service AccountService {
   // Account Operations
   rpc GetAccount(GetAccountRequest) returns (Account) {}
   rpc GetAccountBatch(GetAccountBatchRequest) returns (GetAccountBatchResponse) {}
+  rpc LookupAccountBatch(LookupAccountBatchRequest) returns (GetAccountBatchResponse) {}
   rpc ListAccounts(ListAccountsRequest) returns (ListAccountsResponse) {}
 
   // Profile Operations
@@ -292,6 +293,10 @@ message GetAccountBatchRequest {
   repeated string id = 1;  // Account ID to retrieve
 }
 
+message LookupAccountBatchRequest {
+  repeated string names = 1;
+}
+
 message GetAccountBatchResponse {
   repeated Account accounts = 1;  // List of accounts
 }

DysonNetwork.Sphere/Chat/ChatController.cs

@@ -16,7 +16,8 @@ public partial class ChatController(
     AppDatabase db,
     ChatService cs,
     ChatRoomService crs,
-    FileService.FileServiceClient files
+    FileService.FileServiceClient files,
+    AccountService.AccountServiceClient accounts
 ) : ControllerBase
 {
     public class MarkMessageReadRequest
@@ -213,8 +214,14 @@ public partial class ChatController(
                 .ToList();
             if (mentioned.Count > 0)
             {
+                var queryRequest = new LookupAccountBatchRequest();
+                queryRequest.Names.AddRange(mentioned);
+                var queryResponse = (await accounts.LookupAccountBatchAsync(queryRequest)).Accounts;
+                var mentionedId = queryResponse
+                    .Select(a => Guid.Parse(a.Id))
+                    .ToList();
                 var mentionedMembers = await db.ChatMembers
-                    .Where(m => mentioned.Contains(m.Account.Name))
+                    .Where(m => mentionedId.Contains(m.AccountId))
                     .Select(m => m.Id)
                     .ToListAsync();
                 message.MembersMentioned = mentionedMembers;