From 340d4ce7147e73f60ee6d811aa73c431bed21338 Mon Sep 17 00:00:00 2001
From: Kyle Spearrin <kyle.spearrin@gmail.com>
Date: Mon, 24 Sep 2018 15:08:16 -0400
Subject: [PATCH] do searching

---
 src/iOS.Autofill/LoginSearchViewController.cs | 24 +++++++-------
 src/iOS.Core/Views/ExtensionTableSource.cs    | 31 ++++++++++++++++---
 2 files changed, 40 insertions(+), 15 deletions(-)

diff --git a/src/iOS.Autofill/LoginSearchViewController.cs b/src/iOS.Autofill/LoginSearchViewController.cs
index 1fc852501..ab6a66973 100644
--- a/src/iOS.Autofill/LoginSearchViewController.cs
+++ b/src/iOS.Autofill/LoginSearchViewController.cs
@@ -7,6 +7,7 @@ using Bit.iOS.Core.Utilities;
 using Bit.iOS.Core.Controllers;
 using Bit.App.Resources;
 using Bit.iOS.Core.Views;
+using System.Threading;
 
 namespace Bit.iOS.Autofill
 {
@@ -158,20 +159,21 @@ namespace Bit.iOS.Autofill
                 }
             }
         }
-    }
 
-    public class SearchDelegate : UISearchBarDelegate
-    {
-        private readonly LoginSearchViewController _controller;
-
-        public SearchDelegate(LoginSearchViewController controller)
+        public class SearchDelegate : UISearchBarDelegate
         {
-            _controller = controller;
-        }
+            private readonly LoginSearchViewController _controller;
 
-        public override void TextChanged(UISearchBar searchBar, string searchText)
-        {
-            System.Diagnostics.Debug.WriteLine("search text: " + searchText);
+            public SearchDelegate(LoginSearchViewController controller)
+            {
+                _controller = controller;
+            }
+
+            public override void TextChanged(UISearchBar searchBar, string searchText)
+            {
+                System.Diagnostics.Debug.WriteLine("search text: " + searchText);
+                ((TableSource)_controller.TableView.Source).FilterResults(searchText, new CancellationToken());
+            }
         }
     }
 }
diff --git a/src/iOS.Core/Views/ExtensionTableSource.cs b/src/iOS.Core/Views/ExtensionTableSource.cs
index 84fc7d016..a57c0172d 100644
--- a/src/iOS.Core/Views/ExtensionTableSource.cs
+++ b/src/iOS.Core/Views/ExtensionTableSource.cs
@@ -9,6 +9,7 @@ using System;
 using System.Collections.Generic;
 using System.Diagnostics;
 using System.Linq;
+using System.Threading;
 using System.Threading.Tasks;
 using UIKit;
 using XLabs.Ioc;
@@ -19,6 +20,7 @@ namespace Bit.iOS.Core.Views
     {
         private const string CellIdentifier = "TableCell";
 
+        private IEnumerable<CipherViewModel> _allItems = new List<CipherViewModel>();
         protected IEnumerable<CipherViewModel> _tableItems = new List<CipherViewModel>();
         protected ICipherService _cipherService;
         protected ISettings _settings;
@@ -39,14 +41,14 @@ namespace Bit.iOS.Core.Views
         {
             var combinedLogins = new List<Cipher>();
 
-            if (urlFilter)
+            if(urlFilter)
             {
                 var logins = await _cipherService.GetAllAsync(_context.UrlString);
-                if (logins?.Item1 != null)
+                if(logins?.Item1 != null)
                 {
                     combinedLogins.AddRange(logins.Item1);
                 }
-                if (logins?.Item2 != null)
+                if(logins?.Item2 != null)
                 {
                     combinedLogins.AddRange(logins.Item2);
                 }
@@ -57,10 +59,31 @@ namespace Bit.iOS.Core.Views
                 combinedLogins.AddRange(logins);
             }
 
-            _tableItems = combinedLogins.Select(s => new CipherViewModel(s))
+            _allItems = combinedLogins.Select(s => new CipherViewModel(s))
                 .OrderBy(s => s.Name)
                 .ThenBy(s => s.Username)
                 .ToList() ?? new List<CipherViewModel>();
+            FilterResults(searchFilter, new CancellationToken());
+        }
+
+        public void FilterResults(string searchFilter, CancellationToken ct)
+        {
+            ct.ThrowIfCancellationRequested();
+
+            if(string.IsNullOrWhiteSpace(searchFilter))
+            {
+                _tableItems = _allItems.ToList();
+            }
+            else
+            {
+                searchFilter = searchFilter.ToLower();
+                _tableItems = _allItems
+                    .Where(s => s.Name.ToLower().Contains(searchFilter) ||
+                        (s.Username?.ToLower().Contains(searchFilter) ?? false) ||
+                        (s.Uris?.FirstOrDefault()?.Uri.ToLower().Contains(searchFilter) ?? false))
+                    .TakeWhile(s => !ct.IsCancellationRequested)
+                    .ToArray();
+            }
         }
 
         public IEnumerable<CipherViewModel> TableItems { get; set; }