[PT Run] [Folder Plugin] Environment Variables With Autocomplete (#13811)

* search environment variables folders with autocomplete

* refactoring and tests

* fix

src/modules/launcher/Plugins/Microsoft.Plugin.Folder/Sources/EnvironmentHelper.cs

@@ -0,0 +1,27 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Collections;
+
+namespace Microsoft.Plugin.Folder.Sources
+{
+    public class EnvironmentHelper : IEnvironmentHelper
+    {
+        public bool IsEnvironmentVariable(string search)
+        {
+            if (search == null)
+            {
+                throw new ArgumentNullException(paramName: nameof(search));
+            }
+
+            return search.StartsWith('%');
+        }
+
+        public IDictionary GetEnvironmentVariables()
+        {
+            return Environment.GetEnvironmentVariables();
+        }
+    }
+}

src/modules/launcher/Plugins/Microsoft.Plugin.Folder/Sources/IEnvironmentHelper.cs

@@ -0,0 +1,15 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Collections;
+
+namespace Microsoft.Plugin.Folder.Sources
+{
+    public interface IEnvironmentHelper
+    {
+        bool IsEnvironmentVariable(string search);
+
+        IDictionary GetEnvironmentVariables();
+    }
+}

src/modules/launcher/Plugins/Microsoft.Plugin.Folder/Sources/IQueryEnvironmentVariable.cs

@@ -0,0 +1,14 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Collections.Generic;
+using Microsoft.Plugin.Folder.Sources.Result;
+
+namespace Microsoft.Plugin.Folder.Sources
+{
+    public interface IQueryEnvironmentVariable
+    {
+        IEnumerable<IItemResult> Query(string querySearch);
+    }
+}

src/modules/launcher/Plugins/Microsoft.Plugin.Folder/Sources/QueryEnvironmentVariable.cs

@@ -0,0 +1,56 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.IO.Abstractions;
+using System.Linq;
+using Microsoft.Plugin.Folder.Sources.Result;
+
+namespace Microsoft.Plugin.Folder.Sources
+{
+    public class QueryEnvironmentVariable : IQueryEnvironmentVariable
+    {
+        private readonly IDirectory _directory;
+        private readonly IEnvironmentHelper _environmentHelper;
+
+        public QueryEnvironmentVariable(IDirectory directory, IEnvironmentHelper environmentHelper)
+        {
+            _directory = directory;
+            _environmentHelper = environmentHelper;
+        }
+
+        public IEnumerable<IItemResult> Query(string querySearch)
+        {
+            if (querySearch == null)
+            {
+                throw new ArgumentNullException(nameof(querySearch));
+            }
+
+            return GetEnvironmentVariables(querySearch)
+                .OrderBy(v => v.Title)
+                .Where(v => v.Title.StartsWith(querySearch, StringComparison.InvariantCultureIgnoreCase));
+        }
+
+        public IEnumerable<EnvironmentVariableResult> GetEnvironmentVariables(string querySearch)
+        {
+            foreach (DictionaryEntry variable in _environmentHelper.GetEnvironmentVariables())
+            {
+                if (variable.Value == null)
+                {
+                    continue;
+                }
+
+                var name = "%" + (string)variable.Key + "%";
+                var path = (string)variable.Value;
+
+                if (_directory.Exists(path))
+                {
+                    yield return new EnvironmentVariableResult(querySearch, name, path);
+                }
+            }
+        }
+    }
+}

src/modules/launcher/Plugins/Microsoft.Plugin.Folder/Sources/Result/EnvironmentVariableResult.cs

@@ -0,0 +1,45 @@
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Globalization;
+using Wox.Infrastructure;
+using Wox.Plugin;
+
+namespace Microsoft.Plugin.Folder.Sources.Result
+{
+    public class EnvironmentVariableResult : IItemResult
+    {
+        private readonly IShellAction _shellAction = new ShellAction();
+
+        public string Search { get; set; }
+
+        public string Title { get; private set; }
+
+        public string Subtitle { get; private set; }
+
+        public string Path { get; private set; }
+
+        public EnvironmentVariableResult(string search, string title, string path)
+        {
+            Search = search;
+            Title = title;
+            Path = path;
+        }
+
+        public Wox.Plugin.Result Create(IPublicAPI contextApi)
+        {
+            return new Wox.Plugin.Result(StringMatcher.FuzzySearch(Search, Title).MatchData)
+            {
+                Title = Title,
+                IcoPath = Path,
+
+                // Using CurrentCulture since this is user facing
+                SubTitle = string.Format(CultureInfo.CurrentCulture, Properties.Resources.wox_plugin_folder_select_folder_result_subtitle, Path),
+                QueryTextDisplay = Path,
+                ContextData = new SearchResult { Type = ResultType.Folder, FullPath = Path },
+                Action = c => _shellAction.Execute(Path, contextApi),
+            };
+        }
+    }
+}