Finish Riley's monster commit

3b38d725d7
May the Gods have mercy on my soul.

AltStore/Operations/Patch App/PatchAppOperation.swift

@@ -25,22 +25,38 @@ protocol PatchAppContext
     var error: Error? { get }
 }
 
-enum PatchAppError: LocalizedError
+extension PatchAppError
 {
-    case unsupportedOperatingSystemVersion(OperatingSystemVersion)
-    
-    var errorDescription: String? {
-        switch self
-        {
-        case .unsupportedOperatingSystemVersion(let osVersion):
-            var osVersionString = "\(osVersion.majorVersion).\(osVersion.minorVersion)"
-            if osVersion.patchVersion != 0
-            {
-                osVersionString += ".\(osVersion.patchVersion)"
+    enum Code: Int, ALTErrorCode, CaseIterable {
+        typealias Error = PatchAppError
+
+        case unsupportedOperatingSystemVersion
+    }
+
+    static func unsupportedOperatingSystemVersion(_ osVersion: OperatingSystemVersion) -> PatchAppError {
+        PatchAppError(code: .unsupportedOperatingSystemVersion, osVersion: osVersion)
+    }
+}
+
+struct PatchAppError: ALTLocalizedError {
+    let code: Code
+
+    var errorTitle: String?
+    var errorFailure: String?
+
+    var osVersion: OperatingSystemVersion?
+
+    var errorFailureReason: String {
+        switch self.code {
+        case .unsupportedOperatingSystemVersion:
+            let osVersionString: String
+
+            if let osVersion = self.osVersion?.stringValue {
+                osVersionString = NSLocalizedString("iOS", comment: "") + " " + osVersion
+            } else {
+                osVersionString = NSLocalizedString("your device's iOS version", comment: "")
             }
-            
-            let errorDescription = String(format: NSLocalizedString("The OTA download URL for iOS %@ could not be determined.", comment: ""), osVersionString)
-            return errorDescription
+            return String(format: NSLocalizedString("The OTA download URL for %@ could not be determined.", comment: ""), osVersionString)
         }
     }
 }

AltStore/Operations/Patch App/PatchViewController.swift

@@ -439,7 +439,7 @@ private extension PatchViewController
                             
                             do
                             {
-                                guard let (bundleIdentifier, result) = results.first else { throw refreshGroup?.context.error ?? OperationError.unknown }
+                                guard let (bundleIdentifier, result) = results.first else { throw refreshGroup?.context.error ?? OperationError.unknown() }
                                 _ = try result.get()
                                 
                                 if var patchedApps = UserDefaults.standard.patchedApps, let index = patchedApps.firstIndex(of: bundleIdentifier)