Refactor the New Version Dialog logic

src/tribler/gui/i18n/pt_BR.ts

@@ -644,7 +644,7 @@ If unsure, press 'No'. You will be able to remove those directories fr
     </message>
     <message>
         <location filename="../tribler_window.py" line="595"/>
-        <source>Version %s of Tribler is available.Do you want to visit the website to download the newest version?</source>
+        <source>Version %s of Tribler is available. Do you want to visit the website to download the newest version?</source>
         <translation>Versão %s disponível. Quer visitar o site para baixar a versão mais recente?</translation>
     </message>
     <message>

src/tribler/gui/i18n/ru_RU.ts

@@ -632,7 +632,7 @@ If unsure, press 'No'. You will be able to remove those directories fr
     </message>
     <message>
         <location filename="../tribler_window.py" line="649"/>
-        <source>Version %s of Tribler is available.Do you want to visit the website to download the newest version?</source>
+        <source>Version %s of Tribler is available. Do you want to visit the website to download the newest version?</source>
         <translation>Доступна новая версия Tribler: %s. Перейти к веб-сайту разработчиков чтобы загрузить её?</translation>
     </message>
     <message>

src/tribler/gui/i18n/zh_CN.ts

@@ -638,7 +638,7 @@ If unsure, press 'No'. You will be able to remove those directories fr
     </message>
     <message>
         <location filename="../tribler_window.py" line="595"/>
-        <source>Version %s of Tribler is available.Do you want to visit the website to download the newest version?</source>
+        <source>Version %s of Tribler is available. Do you want to visit the website to download the newest version?</source>
         <translation>Tribler 版本 %s 可用。你想要访问网站下载最新版本吗？</translation>
     </message>
     <message>

src/tribler/gui/tribler_window.py

@@ -206,7 +206,6 @@ def __init__(
         self.dialog = None
         self.create_dialog = None
         self.chosen_dir = None
-        self.new_version_dialog = None
         self.new_version_dialog_postponed = False
         self.start_download_dialog_active = False
         self.selected_torrent_files = []
@@ -731,39 +730,7 @@ def on_add_button_pressed(channel_id):
         self.window().add_to_channel_dialog.show_dialog(on_add_button_pressed, confirm_button_text="Add torrent")
 
     def on_new_version_available(self, version):
-        if version == str(self.gui_settings.value('last_reported_version')):
-            return
-        if self.new_version_dialog_postponed:
-            return
-
-        # To prevent multiple dialogs on top of each other,
-        # close any existing dialog first.
-        if self.new_version_dialog:
-            self.new_version_dialog.close_dialog()
-            self.new_version_dialog = None
-
-        self.new_version_dialog = ConfirmationDialog(
-            self,
-            tr("New version available"),
-            tr("Version %s of Tribler is available.Do you want to visit the " "website to download the newest version?")
-            % version,
-            [(tr("IGNORE"), BUTTON_TYPE_NORMAL), (tr("LATER"), BUTTON_TYPE_NORMAL), (tr("OK"), BUTTON_TYPE_NORMAL)],
-        )
-        connect(self.new_version_dialog.button_clicked, lambda action: self.on_new_version_dialog_done(version, action))
-        self.new_version_dialog.show()
-
-    def on_new_version_dialog_done(self, version, action):
-        if action == 0:  # ignore
-            self.gui_settings.setValue("last_reported_version", version)
-        elif action == 1: # postpone
-            self.new_version_dialog_postponed = True
-        elif action == 2:  # ok
-            import webbrowser
-
-            webbrowser.open("https://tribler.org")
-        if self.new_version_dialog:
-            self.new_version_dialog.close_dialog()
-            self.new_version_dialog = None
+        self.upgrade_manager.on_new_version_available(tribler_window=self, new_version=version)
 
     def on_search_text_change(self, text):
         # We do not want to bother the database on petty 1-character queries

src/tribler/gui/upgrade_manager.py

@@ -1,14 +1,22 @@
+from __future__ import annotations
+
 import logging
-from typing import List
+import webbrowser
+from typing import List, Optional, TYPE_CHECKING
 
 from PyQt5.QtCore import QObject, QThread, pyqtSignal
 from PyQt5.QtWidgets import QMessageBox
 
 from tribler.core.upgrade.version_manager import TriblerVersion, VersionHistory
+from tribler.gui.defs import BUTTON_TYPE_NORMAL
+from tribler.gui.dialogs.confirmationdialog import ConfirmationDialog
 from tribler.gui.exceptions import UpgradeError
 from tribler.gui.utilities import connect, format_size, tr
 from tribler.run_tribler_upgrader import upgrade_state_dir
 
+if TYPE_CHECKING:
+    from tribler.gui.tribler_window import TriblerWindow
+
 
 class StateDirUpgradeWorker(QObject):
     finished = pyqtSignal(object)
@@ -55,12 +63,45 @@ class UpgradeManager(QObject):
     def __init__(self, version_history: VersionHistory):
         QObject.__init__(self, None)
 
-        self.version_history = version_history
         self._logger = logging.getLogger(self.__class__.__name__)
 
+        self.version_history = version_history
+        self.new_version_dialog_postponed: bool = False
+        self.dialog: Optional[ConfirmationDialog] = None
+
         self._upgrade_worker = None
         self._upgrade_thread = None
 
+    def on_new_version_available(self, tribler_window: TriblerWindow, new_version: str):
+        last_reported_version = str(tribler_window.gui_settings.value('last_reported_version'))
+        if new_version == last_reported_version:
+            return
+
+        if self.new_version_dialog_postponed or self.dialog:
+            return
+
+        self.dialog = ConfirmationDialog(
+            tribler_window,
+            tr("New version available"),
+            tr("Version %s of Tribler is available. Do you want to visit the website to download the newest version?")
+            % new_version,
+            [(tr("IGNORE"), BUTTON_TYPE_NORMAL), (tr("LATER"), BUTTON_TYPE_NORMAL), (tr("OK"), BUTTON_TYPE_NORMAL)],
+        )
+
+        def on_button_clicked(click_result: int):
+            self.dialog.close_dialog()
+            self.dialog = None
+
+            if click_result == 0:  # ignore
+                tribler_window.gui_settings.setValue("last_reported_version", new_version)
+            elif click_result == 1:  # later
+                self.new_version_dialog_postponed = True
+            elif click_result == 2:  # ok
+                webbrowser.open("https://tribler.org")
+
+        connect(self.dialog.button_clicked, on_button_clicked)
+        self.dialog.show()
+
     def _show_question_box(self, title, body, additional_text, default_button=None):
         message_box = QMessageBox()
         message_box.setIcon(QMessageBox.Question)