[ADD] Debug entries for refresh attempts, sending feedback, advanced settings, and resetting the pairing file

AltStore/View Extensions/UIView Representables/MailComposeView.swift

@@ -0,0 +1,71 @@
+//
+//  MailComposeView.swift
+//  SideStore
+//
+//  Created by Fabian Thies on 04.02.23.
+//  Copyright © 2023 SideStore. All rights reserved.
+//
+
+import SwiftUI
+import MessageUI
+
+struct MailComposeView: UIViewControllerRepresentable {
+    typealias ActionHandler = () -> Void
+    typealias ErrorHandler = (Error) -> Void
+
+    static var canSendMail: Bool {
+        MFMailComposeViewController.canSendMail()
+    }
+
+    let recipients: [String]
+    let subject: String
+    var body: String? = nil
+
+    var onMailSent: ActionHandler? = nil
+    var onError: ErrorHandler? = nil
+
+    func makeCoordinator() -> Coordinator {
+        Coordinator(mailSentHandler: self.onMailSent, errorHandler: self.onError)
+    }
+
+    func makeUIViewController(context: Context) -> some UIViewController {
+        let mailViewController = MFMailComposeViewController()
+        mailViewController.mailComposeDelegate = context.coordinator
+        mailViewController.setToRecipients(self.recipients)
+        mailViewController.setSubject(self.subject)
+
+        if let body {
+            mailViewController.setMessageBody(body, isHTML: false)
+        }
+
+        return mailViewController
+    }
+
+    func updateUIViewController(_ uiViewController: UIViewControllerType, context: Context) {
+
+    }
+}
+
+extension MailComposeView {
+    class Coordinator: NSObject, MFMailComposeViewControllerDelegate {
+
+        let mailSentHandler: ActionHandler?
+        let errorHandler: ErrorHandler?
+
+        init(mailSentHandler: ActionHandler?, errorHandler: ErrorHandler?) {
+            self.mailSentHandler = mailSentHandler
+            self.errorHandler = errorHandler
+            super.init()
+        }
+
+        func mailComposeController(_ controller: MFMailComposeViewController, didFinishWith result: MFMailComposeResult, error: Error?) {
+            if result == .sent, let mailSentHandler {
+                mailSentHandler()
+            } else if result == .failed, let errorHandler, let error {
+                errorHandler(error)
+            }
+
+            controller.dismiss(animated: true)
+        }
+    }
+}