crossmate

commit 6fb82447f6f854d642d3d4d409e40f2fdd125f99
parent 6890a9ffc46dea73d83a204454285b81d144d8a6
Author: Michael Camilleri <[email protected]>
Date:   Fri, 29 May 2026 16:19:47 +0900

Coalesce overlapping game-list refreshes

Diffstat:
M
Crossmate/Services/AppServices.swift
 | 
25
+++++++++++++++++++++++++

1 file changed, 25 insertions(+), 0 deletions(-)
diff --git a/Crossmate/Services/AppServices.swift b/Crossmate/Services/AppServices.swift
@@ -121,6 +121,7 @@ final class AppServices {
     private var sharedPushCatchUpTask: Task<Void, Never>?
     private var isHandlingPrivateRemoteNotification = false
     private var isHandlingSharedRemoteNotification = false
+    private var gameListFreshenTask: Task<Void, Never>?
     private var isFresheningPrivateGameList = false
     private var isFresheningSharedGameList = false
     private var claimedPingRecordNames: Set<String> = []
@@ -1167,6 +1168,23 @@ final class AppServices {
 
     func freshenGameList(reason: FreshenReason) async {
         guard await ensureICloudSyncStarted() else { return }
+        if let task = gameListFreshenTask {
+            syncMonitor.note(
+                "freshen game list \(reason.diagnosticLabel): coalesced into in-flight freshen"
+            )
+            await task.value
+            return
+        }
+
+        let task = Task { @MainActor in
+            await self.runFreshenGameList(reason: reason)
+        }
+        gameListFreshenTask = task
+        await task.value
+        gameListFreshenTask = nil
+    }
+
+    private func runFreshenGameList(reason: FreshenReason) async {
         // The game list is a foreground-visible freshness path, not the live
         // collaboration path. Keep the two database scopes serialized so list
         // appearance and foreground transitions do not create a read burst.
@@ -1199,6 +1217,13 @@ final class AppServices {
             return
         }
         guard await ensureICloudSyncStarted() else { return }
+        if let task = gameListFreshenTask {
+            syncMonitor.note(
+                "freshen game list \(reason.diagnosticLabel): \(label) coalesced into in-flight freshen"
+            )
+            await task.value
+            return
+        }
         await freshenGameListScope(scope, label: label, reason: reason)
         await refreshSnapshot()
     }