From 81b707266d087b3be180d459403aca139f227d76 Mon Sep 17 00:00:00 2001
From: Bob Sun <bob@mssun.me>
Date: Mon, 6 Feb 2017 10:55:24 +0800
Subject: [PATCH] show error message if PGP key is not set (fix #1)

---
 pass/PasswordsViewController.swift | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/pass/PasswordsViewController.swift b/pass/PasswordsViewController.swift
index 5f34c1f..358280a 100644
--- a/pass/PasswordsViewController.swift
+++ b/pass/PasswordsViewController.swift
@@ -9,6 +9,7 @@
 import UIKit
 import Result
 import SVProgressHUD
+import SwiftyUserDefaults
 
 class PasswordsViewController: UIViewController, UITableViewDataSource, UITableViewDelegate {
     private var passwordEntities: [PasswordEntity]?
@@ -31,7 +32,6 @@ class PasswordsViewController: UIViewController, UITableViewDataSource, UITableV
     }
     
     func syncPasswords() {
-        SVProgressHUD.setDefaultMaskType(.black)
         SVProgressHUD.show(withStatus: "Sync Password Store")
         DispatchQueue.global(qos: .userInitiated).async { [unowned self] in
             do {
@@ -69,6 +69,7 @@ class PasswordsViewController: UIViewController, UITableViewDataSource, UITableV
         searchBarView.addSubview(searchController.searchBar)
         view.addSubview(searchBarView)
         tableView.insertSubview(refreshControl, at: 0)
+        SVProgressHUD.setDefaultMaskType(.black)
     }
     
     override func viewWillAppear(_ animated: Bool) {
@@ -151,6 +152,22 @@ class PasswordsViewController: UIViewController, UITableViewDataSource, UITableV
         reloadTableView(data: passwordEntities!)
         print("actOnPasswordUpdatedNotification")
     }
+    
+    override func shouldPerformSegue(withIdentifier identifier: String, sender: Any?) -> Bool {
+        if identifier == "showPasswordDetail" {
+            if Defaults[.pgpKeyID]  == "" {
+                let alert = UIAlertController(title: "Unable to Decrypt Password", message: "PGP Key is not set. Please set your PGP Key first.", preferredStyle: UIAlertControllerStyle.alert)
+                alert.addAction(UIAlertAction(title: "OK", style: UIAlertActionStyle.default, handler: nil))
+                self.present(alert, animated: true, completion: nil)
+                if let s = sender as? UITableViewCell {
+                    let selectedIndexPath = tableView.indexPath(for: s)!
+                    tableView.deselectRow(at: selectedIndexPath, animated: true)
+                }
+                return false
+            }
+        }
+        return true
+    }
 
     override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
         if segue.identifier == "showPasswordDetail" {