RelayCache: refactor

1 files changed, 46 insertions, 0 deletions

diff --git a/ios/MullvadVPN/RelayCache/RelayCacheError.swift b/ios/MullvadVPN/RelayCache/RelayCacheError.swift
new file mode 100644
index 0000000000..c161ee3937
--- /dev/null
+++ b/ios/MullvadVPN/RelayCache/RelayCacheError.swift
@@ -0,0 +1,46 @@
+//
+//  RelayCacheError.swift
+//  RelayCacheError
+//
+//  Created by pronebird on 27/07/2021.
+//  Copyright © 2021 Mullvad VPN AB. All rights reserved.
+//
+
+import Foundation
+
+extension RelayCache {
+
+    /// Error emitted by RelayCache cluster.
+    enum Error: ChainedError {
+        case readCache(Swift.Error)
+        case readPrebundledRelays(Swift.Error)
+        case decodePrebundledRelays(Swift.Error)
+        case writeCache(Swift.Error)
+        case encodeCache(Swift.Error)
+        case decodeCache(Swift.Error)
+        case rest(REST.Error)
+        case backgroundTaskScheduler(Swift.Error)
+
+        var errorDescription: String? {
+            switch self {
+            case .encodeCache:
+                return "Encode cache error"
+            case .decodeCache:
+                return "Decode cache error"
+            case .readCache:
+                return "Read cache error"
+            case .readPrebundledRelays:
+                return "Read pre-bundled relays error"
+            case .decodePrebundledRelays:
+                return "Decode pre-bundled relays error"
+            case .writeCache:
+                return "Write cache error"
+            case .rest:
+                return "REST error"
+            case .backgroundTaskScheduler:
+                return "Background task scheduler error"
+            }
+        }
+    }
+
+}