crossmate

commit ff6eb3c23d0a9d4a230d9054034f1b271abde00a
parent 78c8e221f7c5c086398af6b5772e880a8c008528
Author: Michael Camilleri <[email protected]>
Date:   Mon, 13 Apr 2026 04:42:13 +0900

Add write probe as part of iCloud debugging support

Diffstat:
M
Crossmate/Sync/SyncEngine.swift
 | 
42
++++++++++++++++++++++++++++++++++++++++++

1 file changed, 42 insertions(+), 0 deletions(-)
diff --git a/Crossmate/Sync/SyncEngine.swift b/Crossmate/Sync/SyncEngine.swift
@@ -561,6 +561,48 @@ actor SyncEngine {
             results.append(("allRecordZones", describe(error)))
         }
 
+        // Real write probe: push a throwaway Game record to the default zone via
+        // CKModifyRecordsOperation. Unlike CKModifyRecordZonesOperation (which
+        // can report phantom success), this hits the real record-write path and
+        // surfaces whatever the server actually returns.
+        let probeRecordID = CKRecord.ID(
+            recordName: "probe-\(UUID().uuidString)",
+            zoneID: CKRecordZone.ID(zoneName: CKRecordZone.ID.defaultZoneName, ownerName: CKCurrentUserDefaultName)
+        )
+        let probeRecord = CKRecord(recordType: "Game", recordID: probeRecordID)
+        probeRecord["title"] = "probe" as NSString
+
+        let writeOp = CKModifyRecordsOperation(recordsToSave: [probeRecord], recordIDsToDelete: nil)
+        writeOp.savePolicy = .allKeys
+        writeOp.isAtomic = false
+        writeOp.qualityOfService = .userInitiated
+
+        let writeResult: String = await withCheckedContinuation { continuation in
+            var perRecord: [(CKRecord.ID, Result<CKRecord, Error>)] = []
+            writeOp.perRecordSaveBlock = { id, result in
+                perRecord.append((id, result))
+            }
+            writeOp.modifyRecordsResultBlock = { result in
+                switch result {
+                case .success:
+                    if let first = perRecord.first {
+                        switch first.1 {
+                        case .success(let saved):
+                            continuation.resume(returning: "saved \(saved.recordID.recordName) etag=\(saved.recordChangeTag ?? "nil")")
+                        case .failure(let err):
+                            continuation.resume(returning: "perRecord FAILURE: \(self.describe(err))")
+                        }
+                    } else {
+                        continuation.resume(returning: "operation success but no per-record result")
+                    }
+                case .failure(let err):
+                    continuation.resume(returning: "operation FAILURE: \(self.describe(err))")
+                }
+            }
+            privateDatabase.add(writeOp)
+        }
+        results.append(("writeProbe(default zone)", writeResult))
+
         return results
     }