User/ryanbod/folders enable staticanalysis (#5137)

* Enabling static analysis and settings treat warnings as errors

* Fixing/Supressing static analysis warnings in ContextmenuLoader and removing unused code

* Fixing static analysis errors in Main.cs

* Fixing static analysis warnings for folderpluginSettings.xaml.cs

src/modules/launcher/Plugins/Microsoft.Plugin.Folder/ContextMenuLoader.cs

@@ -23,6 +23,7 @@ namespace Microsoft.Plugin.Folder
             _context = context;
         }
 
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Design", "CA1031:Do not catch general exception types", Justification = "We want to keep the process alive, and instead log the exception")]
         public List<ContextMenuResult> LoadContextMenus(Result selectedResult)
         {
             var contextMenus = new List<ContextMenuResult>();
@@ -95,6 +96,7 @@ namespace Microsoft.Plugin.Folder
             return contextMenus;
         }
 
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Design", "CA1031:Do not catch general exception types", Justification = "We want to keep the process alive, and instead log the exception")]
         private ContextMenuResult CreateOpenContainingFolderResult(SearchResult record)
         {
             return new ContextMenuResult
@@ -124,35 +126,7 @@ namespace Microsoft.Plugin.Folder
             };
         }
 
-
-        private Result CreateOpenWithEditorResult(SearchResult record)
-        {
-            string editorPath = "notepad.exe"; // TODO add the ability to create a custom editor
-
-            var name = "Open With Editor: " + Path.GetFileNameWithoutExtension(editorPath);
-            return new Result
-            {
-                Title = name,
-                Action = _ =>
-                {
-                    try
-                    {
-                        Process.Start(editorPath, record.FullPath);
-                        return true;
-                    }
-                    catch (Exception e)
-                    {
-                        var message = $"Fail to editor for file at {record.FullPath}";
-                        LogException(message, e);
-                        _context.API.ShowMsg(message);
-                        return false;
-                    }
-                },
-                IcoPath = editorPath
-            };
-        }
-
-        public void LogException(string message, Exception e)
+        public static void LogException(string message, Exception e)
         {
             Log.Exception($"|Microsoft.Plugin.Folder.ContextMenu|{message}", e);
         }

src/modules/launcher/Plugins/Microsoft.Plugin.Folder/FolderPluginSettings.xaml.cs

@@ -1,4 +1,6 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Windows;
@@ -15,13 +17,13 @@ namespace Microsoft.Plugin.Folder
     public partial class FileSystemSettings
     {
         private IPublicAPI woxAPI;
-        private Settings _settings;
+        private FolderSettings _settings;
 
-        public FileSystemSettings(IPublicAPI woxAPI, Settings settings)
+        public FileSystemSettings(IPublicAPI woxAPI, FolderSettings settings)
         {
             this.woxAPI = woxAPI;
             InitializeComponent();
-            _settings = settings;
+            _settings = settings ?? throw new ArgumentNullException(paramName:nameof(settings));
             lbxFolders.ItemsSource = _settings.FolderLinks;
         }
 
@@ -30,7 +32,7 @@ namespace Microsoft.Plugin.Folder
             var selectedFolder = lbxFolders.SelectedItem as FolderLink;
             if (selectedFolder != null)
             {
-                string msg = string.Format(woxAPI.GetTranslation("wox_plugin_folder_delete_folder_link"), selectedFolder.Path);
+                string msg = string.Format(CultureInfo.InvariantCulture, woxAPI.GetTranslation("wox_plugin_folder_delete_folder_link"), selectedFolder.Path);
 
                 if (MessageBox.Show(msg, string.Empty, MessageBoxButton.YesNo) == MessageBoxResult.Yes)
                 {
@@ -50,7 +52,8 @@ namespace Microsoft.Plugin.Folder
             var selectedFolder = lbxFolders.SelectedItem as FolderLink;
             if (selectedFolder != null)
             {
-                var folderBrowserDialog = new FolderBrowserDialog();
+                using (var folderBrowserDialog = new FolderBrowserDialog())
+                {
                     folderBrowserDialog.SelectedPath = selectedFolder.Path;
                     if (folderBrowserDialog.ShowDialog() == DialogResult.OK)
                     {
@@ -60,6 +63,7 @@ namespace Microsoft.Plugin.Folder
 
                     lbxFolders.Items.Refresh();
                 }
+            }
             else
             {
                 string warning = woxAPI.GetTranslation("wox_plugin_folder_select_folder_link_warning");
@@ -69,7 +73,8 @@ namespace Microsoft.Plugin.Folder
 
         private void btnAdd_Click(object sender, RoutedEventArgs e)
         {
-            var folderBrowserDialog = new FolderBrowserDialog();
+            using (var folderBrowserDialog = new FolderBrowserDialog())
+            {
                 if (folderBrowserDialog.ShowDialog() == DialogResult.OK)
                 {
                     var newFolder = new FolderLink
@@ -77,28 +82,19 @@ namespace Microsoft.Plugin.Folder
                         Path = folderBrowserDialog.SelectedPath
                     };
 
-                if (_settings.FolderLinks == null)
-                {
-                    _settings.FolderLinks = new List<FolderLink>();
-                }
-
                     _settings.FolderLinks.Add(newFolder);
                 }
 
                 lbxFolders.Items.Refresh();
             }
+        }
 
         private void lbxFolders_Drop(object sender, DragEventArgs e)
         {
             string[] files = (string[])e.Data.GetData(DataFormats.FileDrop);
 
-            if (files != null && files.Count() > 0)
+            if (files != null && files.Any())
             {
-                if (_settings.FolderLinks == null)
-                {
-                    _settings.FolderLinks = new List<FolderLink>();
-                }
-
                 foreach (string s in files)
                 {
                     if (Directory.Exists(s))

src/modules/launcher/Plugins/Microsoft.Plugin.Folder/Main.cs

@@ -2,6 +2,7 @@ using Microsoft.PowerToys.Settings.UI.Lib;
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
+using System.Globalization;
 using System.IO;
 using System.Linq;
 using System.Text.RegularExpressions;
@@ -24,13 +25,13 @@ namespace Microsoft.Plugin.Folder
         private static List<string> _driverNames;
         private PluginInitContext _context;
 
-        private readonly Settings _settings;
-        private readonly PluginJsonStorage<Settings> _storage;
+        private readonly FolderSettings _settings;
+        private readonly PluginJsonStorage<FolderSettings> _storage;
         private IContextMenu _contextMenuLoader;
 
         public Main()
         {
-            _storage = new PluginJsonStorage<Settings>();
+            _storage = new PluginJsonStorage<FolderSettings>();
             _settings = _storage.Load();
         }
 
@@ -51,11 +52,17 @@ namespace Microsoft.Plugin.Folder
             InitialDriverList();
         }
 
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Globalization", "CA1308:Normalize strings to uppercase", Justification = "Do not want to change the behavior of the application, but want to enforce static analysis")]
         public List<Result> Query(Query query)
         {
+            if(query == null)
+            {
+                throw new ArgumentNullException(paramName: nameof(query));
+            }
+
             var results = GetUserFolderResults(query);
 
-            string search = query.Search.ToLower();
+            string search = query.Search.ToLower(CultureInfo.InvariantCulture);
             if (!IsDriveOrSharedFolder(search))
                 return results;
 
@@ -72,7 +79,7 @@ namespace Microsoft.Plugin.Folder
 
         private static bool IsDriveOrSharedFolder(string search)
         {
-            if (search.StartsWith(@"\\"))
+            if (search.StartsWith(@"\\", StringComparison.InvariantCulture))
             { // share folder
                 return true;
             }
@@ -90,7 +97,7 @@ namespace Microsoft.Plugin.Folder
             return false;
         }
 
-        private Result CreateFolderResult(string title, string subtitle, string path, Query query)
+        private static Result CreateFolderResult(string title, string subtitle, string path, Query query)
         {
             return new Result
             {
@@ -108,9 +115,15 @@ namespace Microsoft.Plugin.Folder
             };
         }
 
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Globalization", "CA1308:Normalize strings to uppercase", Justification = "Do not want to change the behavior of the application, but want to enforce static analysis")]
         private List<Result> GetUserFolderResults(Query query)
         {
-            string search = query.Search.ToLower();
+            if(query == null)
+            {
+                throw new ArgumentNullException(paramName: nameof(query));
+            }
+
+            string search = query.Search.ToLower(CultureInfo.InvariantCulture);
             var userFolderLinks = _settings.FolderLinks.Where(
                 x => x.Nickname.StartsWith(search, StringComparison.OrdinalIgnoreCase));
             var results = userFolderLinks.Select(item =>
@@ -118,6 +131,7 @@ namespace Microsoft.Plugin.Folder
             return results;
         }
 
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Globalization", "CA1308:Normalize strings to uppercase", Justification = "Do not want to change the behavior of the application, but want to enforce static analysis")]
         private void InitialDriverList()
         {
             if (_driverNames == null)
@@ -126,7 +140,7 @@ namespace Microsoft.Plugin.Folder
                 var allDrives = DriveInfo.GetDrives();
                 foreach (DriveInfo driver in allDrives)
                 {
-                    _driverNames.Add(driver.Name.ToLower().TrimEnd('\\'));
+                    _driverNames.Add(driver.Name.ToLower(CultureInfo.InvariantCulture).TrimEnd('\\'));
                 }
             }
         }
@@ -136,6 +150,7 @@ namespace Microsoft.Plugin.Folder
             '?', '*', '>'
         };
 
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Globalization", "CA1308:Normalize strings to uppercase", Justification = "Do not want to change the behavior of the application, but want to enforce static analysis")]
         private List<Result> QueryInternal_Directory_Exists(Query query)
         {
             var search = query.Search;
@@ -149,7 +164,7 @@ namespace Microsoft.Plugin.Folder
                 int index = search.LastIndexOf('\\');
                 if (index > 0 && index < (search.Length - 1))
                 {
-                    incompleteName = search.Substring(index + 1).ToLower();
+                    incompleteName = search.Substring(index + 1).ToLower(CultureInfo.InvariantCulture);
                     search = search.Substring(0, index + 1);
                     if (!Directory.Exists(search))
                     {
@@ -164,19 +179,19 @@ namespace Microsoft.Plugin.Folder
             else
             {
                 // folder exist, add \ at the end of doesn't exist
-                if (!search.EndsWith("\\"))
+                if (!search.EndsWith("\\", StringComparison.InvariantCulture))
                 {
                     search += "\\";
                 }
             }
 
-            results.Add(CreateOpenCurrentFolderResult(incompleteName, search));
+            results.Add(CreateOpenCurrentFolderResult( search));
 
             var searchOption = SearchOption.TopDirectoryOnly;
             incompleteName += "*";
 
             // give the ability to search all folder when starting with >
-            if (incompleteName.StartsWith(">"))
+            if (incompleteName.StartsWith(">", StringComparison.InvariantCulture))
             {
                 searchOption = SearchOption.AllDirectories;
 
@@ -225,6 +240,7 @@ namespace Microsoft.Plugin.Folder
             return results.Concat(folderList.OrderBy(x => x.Title)).Concat(fileList.OrderBy(x => x.Title)).ToList();
         }
 
+        [System.Diagnostics.CodeAnalysis.SuppressMessage("Design", "CA1031:Do not catch general exception types", Justification = "We want to keep the process alve and instead inform the user of the error")]
         private static Result CreateFileResult(string filePath, Query query)
         {
             var result = new Result
@@ -251,14 +267,14 @@ namespace Microsoft.Plugin.Folder
             return result;
         }
 
-        private static Result CreateOpenCurrentFolderResult(string incompleteName, string search)
+        private static Result CreateOpenCurrentFolderResult(string search)
         {
             var firstResult = "Open " + search;
 
             var folderName = search.TrimEnd('\\').Split(new[] { Path.DirectorySeparatorChar }, StringSplitOptions.None).Last();
             var sanitizedPath = Regex.Replace(search, @"[\/\\]+", "\\");
             // A network path must start with \\
-            if (sanitizedPath.StartsWith("\\"))
+            if (sanitizedPath.StartsWith("\\", StringComparison.InvariantCulture))
             {
                 sanitizedPath = sanitizedPath.Insert(0, "\\");
             }

src/modules/launcher/Plugins/Microsoft.Plugin.Folder/Microsoft.Plugin.Folder.csproj

@@ -23,6 +23,7 @@
     <CodeAnalysisRuleSet>MinimumRecommendedRules.ruleset</CodeAnalysisRuleSet>
     <WarningLevel>4</WarningLevel>
     <Optimize>false</Optimize>
+    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
@@ -94,6 +95,10 @@
 
   <ItemGroup>
     <PackageReference Include="JetBrains.Annotations" Version="2020.1.0" />
+    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.6">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
     <PackageReference Include="System.Runtime" Version="4.3.1" />
   </ItemGroup>

src/modules/launcher/Plugins/Microsoft.Plugin.Folder/Settings.cs

@@ -4,9 +4,9 @@ using Wox.Infrastructure.Storage;
 
 namespace Microsoft.Plugin.Folder
 {
-    public class Settings
+    public class FolderSettings
     {
         [JsonProperty]
-        public List<FolderLink> FolderLinks { get; set; } = new List<FolderLink>();
+        public List<FolderLink> FolderLinks { get;} = new List<FolderLink>();
     }
 }