[Settings, Common.UI, runner exe] Unify exe/dll naming (#15005)

* Unify exe/dll naming - PowerToys.Runner

Align naming with other exes - PowerToys Runner -> PowerToys.Runner

* Unify exe/dll naming - Microsoft.PowerToys.Common.UI

Project name - Microsoft.PowerToys.Common.UI -> Common.UI
dll name - Microsoft.PowerToys.Common.UI.dll -> PowerToys.Common.UI.dll

* Unify exe/dll naming - Settings

Project names - Microsoft.PowerToys.Settings* -> Settings*
Dll names - Microsoft.PowerToys.Settings*.dll -> PowerToys.Settings*.dll

* Revert file autoformat

* [Docs] Update paths to settings projects/files

* Fix tests - Update path

src/settings-ui/Settings.UI.Library/UpdatingSettings.cs

@@ -0,0 +1,126 @@
+// 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.Globalization;
+using System.IO;
+using System.IO.Abstractions;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace Microsoft.PowerToys.Settings.UI.Library
+{
+    public class UpdatingSettings
+    {
+        public enum UpdatingState
+        {
+            UpToDate = 0,
+            ErrorDownloading,
+            ReadyToDownload,
+            ReadyToInstall,
+        }
+
+        // Gets or sets a value of the updating state
+        [JsonPropertyName("state")]
+        public UpdatingState State { get; set; }
+
+        // Gets or sets a value of the release page url
+        [JsonPropertyName("releasePageUrl")]
+        public string ReleasePageLink { get; set; }
+
+        // Gets or sets a value of the github last checked date
+        [JsonPropertyName("githubUpdateLastCheckedDate")]
+        public string LastCheckedDate { get; set; }
+
+        // Gets or sets a value of the updating state
+        [JsonPropertyName("downloadedInstallerFilename")]
+        public string DownloadedInstallerFilename { get; set; }
+
+        // Non-localizable strings: Files
+        public const string SettingsFilePath = "\\Microsoft\\PowerToys\\";
+        public const string SettingsFile = "UpdateState.json";
+
+        public string NewVersion
+        {
+            get
+            {
+                if (ReleasePageLink == null)
+                {
+                    return string.Empty;
+                }
+
+                try
+                {
+                    string version = ReleasePageLink.Substring(ReleasePageLink.LastIndexOf('/') + 1);
+                    return version.Trim();
+                }
+#pragma warning disable CA1031 // Do not catch general exception types
+                catch (Exception)
+#pragma warning restore CA1031 // Do not catch general exception types
+                {
+                }
+
+                return string.Empty;
+            }
+        }
+
+        public string LastCheckedDateLocalized
+        {
+            get
+            {
+                try
+                {
+                    long seconds = long.Parse(LastCheckedDate, CultureInfo.CurrentCulture);
+                    var date = DateTimeOffset.FromUnixTimeSeconds(seconds).UtcDateTime;
+                    return date.ToLocalTime().ToString(CultureInfo.CurrentCulture);
+                }
+#pragma warning disable CA1031 // Do not catch general exception types
+                catch (Exception)
+#pragma warning restore CA1031 // Do not catch general exception types
+                {
+                }
+
+                return string.Empty;
+            }
+        }
+
+        public UpdatingSettings()
+        {
+            State = UpdatingState.UpToDate;
+        }
+
+        public static UpdatingSettings LoadSettings()
+        {
+            FileSystem fileSystem = new FileSystem();
+            var localAppDataDir = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
+            var file = localAppDataDir + SettingsFilePath + SettingsFile;
+
+            if (fileSystem.File.Exists(file))
+            {
+                try
+                {
+                    Stream inputStream = fileSystem.File.Open(file, FileMode.Open);
+                    StreamReader reader = new StreamReader(inputStream);
+                    string data = reader.ReadToEnd();
+                    inputStream.Close();
+                    reader.Dispose();
+
+                    return JsonSerializer.Deserialize<UpdatingSettings>(data);
+                }
+#pragma warning disable CA1031 // Do not catch general exception types
+                catch (Exception)
+#pragma warning restore CA1031 // Do not catch general exception types
+                {
+                }
+            }
+
+            return null;
+        }
+
+        public string ToJsonString()
+        {
+            return JsonSerializer.Serialize(this);
+        }
+    }
+}