public static void ShowUpgradePanel()

in Source/Assets/AppCenterEditorExtensions/Editor/Scripts/Panels/AppCenterEditorSDKTools.cs [159:231]
68 lines of code
13 McCabe index (conditional complexity)

        public static void ShowUpgradePanel()
        {
            if (!sdkFolderNotFound)
            {
                using (new AppCenterGuiFieldHelper.UnityVertical(AppCenterEditorHelper.uiStyle.GetStyle("gpStyleGray1")))
                {
                    string[] versionNumber = !string.IsNullOrEmpty(InstalledSdkVersion) ? InstalledSdkVersion.Split('.') : new string[0];

                    var numerical = 0;
                    bool isEmptyVersion = string.IsNullOrEmpty(InstalledSdkVersion) || versionNumber == null || versionNumber.Length == 0;
                    if (isEmptyVersion || (versionNumber.Length > 0 && int.TryParse(versionNumber[0], out numerical) && numerical < 0))
                    {
                        //older version of the SDK
                        using (new AppCenterGuiFieldHelper.UnityHorizontal(AppCenterEditorHelper.uiStyle.GetStyle("gpStyleClear")))
                        {
                            GUILayout.FlexibleSpace();
                            EditorGUILayout.LabelField("SDK is outdated. Consider upgrading to the get most features.", AppCenterEditorHelper.uiStyle.GetStyle("orTxt"));
                            GUILayout.FlexibleSpace();
                        }
                    }

                    var buttonWidth = 200;

                    GUILayout.Space(5);
                    if (ShowSDKUpgrade())
                    {
                        if (IsUpgrading)
                        {
                            using (new AppCenterGuiFieldHelper.UnityHorizontal(AppCenterEditorHelper.uiStyle.GetStyle("gpStyleClear")))
                            {
                                GUILayout.FlexibleSpace();
                                var image = DrawUtils.RotateImage(AssetDatabase.LoadAssetAtPath("Assets/AppCenterEditorExtensions/Editor/UI/Images/wheel.png", typeof(Texture2D)) as Texture2D, angle++);
                                GUILayout.Button(new GUIContent("  Upgrading to " + LatestSdkVersion, image), AppCenterEditorHelper.uiStyle.GetStyle("Button"), GUILayout.MaxWidth(buttonWidth), GUILayout.MinHeight(32));
                                GUILayout.FlexibleSpace();
                            }
                        }
                        else
                        {
                            using (new AppCenterGuiFieldHelper.UnityHorizontal(AppCenterEditorHelper.uiStyle.GetStyle("gpStyleClear")))
                            {
                                GUILayout.FlexibleSpace();
                                if (GUILayout.Button("Upgrade to " + LatestSdkVersion, AppCenterEditorHelper.uiStyle.GetStyle("Button"), GUILayout.MinHeight(32)))
                                {
                                    IsUpgrading = true;
                                    UpgradeSdk();
                                }
                                GUILayout.FlexibleSpace();
                            }
                        }
                    }
                    else
                    {
                        using (new AppCenterGuiFieldHelper.UnityHorizontal(AppCenterEditorHelper.uiStyle.GetStyle("gpStyleClear")))
                        {
                            GUILayout.FlexibleSpace();
                            EditorGUILayout.LabelField("You have the latest SDK!", TitleStyle, GUILayout.MinHeight(32));
                            GUILayout.FlexibleSpace();
                        }
                    }
                    GUILayout.Space(5);

                    using (new AppCenterGuiFieldHelper.UnityHorizontal(AppCenterEditorHelper.uiStyle.GetStyle("gpStyleClear")))
                    {
                        GUILayout.FlexibleSpace();
                        if (GUILayout.Button("VIEW RELEASE NOTES", AppCenterEditorHelper.uiStyle.GetStyle("textButton"), GUILayout.MinHeight(32), GUILayout.MinWidth(200)))
                        {
                            Application.OpenURL("https://github.com/Microsoft/AppCenter-SDK-Unity/releases");
                        }
                        GUILayout.FlexibleSpace();
                    }
                }
            }
        }