row editing

DBSyn/DatabaseModel.swift

@@ -74,17 +74,53 @@ enum PasswordStore {
         return ""
     }
 
-    static func save(_ password: String, id: UUID) {
+    @discardableResult
+    static func save(_ password: String, id: UUID) -> Bool {
         let query: [String: Any] = [
             kSecClass as String: kSecClassGenericPassword,
             kSecAttrService as String: service,
             kSecAttrAccount as String: id.uuidString
         ]
-        SecItemDelete(query as CFDictionary)
-        guard !password.isEmpty else { return }
-        var attributes = query
-        attributes[kSecValueData as String] = Data(password.utf8)
-        SecItemAdd(attributes as CFDictionary, nil)
+
+        if password.isEmpty {
+            let status = SecItemDelete(query as CFDictionary)
+            return status == errSecSuccess || status == errSecItemNotFound
+        }
+
+        let data = Data(password.utf8)
+
+        let update: [String: Any] = [
+            kSecValueData as String: data
+        ]
+
+        let updateStatus = SecItemUpdate(
+            query as CFDictionary,
+            update as CFDictionary
+        )
+
+        if updateStatus == errSecSuccess {
+            return true
+        }
+
+        if updateStatus == errSecItemNotFound {
+            var attributes = query
+            attributes[kSecValueData as String] = data
+
+            let addStatus = SecItemAdd(
+                attributes as CFDictionary,
+                nil
+            )
+
+            if addStatus == errSecSuccess {
+                return true
+            }
+
+            NSLog("DBSyn Keychain add failed: %d", addStatus)
+            return false
+        }
+
+        NSLog("DBSyn Keychain update failed: %d", updateStatus)
+        return false
     }
 
     static func delete(_ id: UUID) {