Handle bundled packages which can be Downgraded

Contributes to: CURA-8587

plugins/Marketplace/LocalPackageList.py

@@ -66,7 +66,6 @@ class LocalPackageList(PackageList):
         section_title = self.PACKAGE_CATEGORIES[bundled_or_installed][package_type]
         package = PackageModel(package_info, section_title = section_title, parent = self)
         self._connectManageButtonSignals(package)
-        package.setCanDowngrade(self._manager.canDowngrade(package_id))
         return package
 
     def checkForUpdates(self, packages: List[Dict[str, Any]]):

plugins/Marketplace/PackageModel.py

@@ -67,7 +67,6 @@ class PackageModel(QObject):
 
         self._can_update = False
         self._is_updating = False
-        self._can_downgrade = False
         self._section_title = section_title
         self.sdk_version = package_data.get("sdk_version_semver", "")
         # Note that there's a lot more info in the package_data than just these specified here.
@@ -309,8 +308,6 @@ class PackageModel(QObject):
 
     disablePackageTriggered = pyqtSignal(str)
 
-    isRecentlyInstalledChanged = pyqtSignal(bool)
-
     @pyqtProperty(bool, notify = stateManageButtonChanged)
     def isActive(self):
         return not self._package_id in self._plugin_registry.getDisabledPlugins()
@@ -345,15 +342,10 @@ class PackageModel(QObject):
     def isRecentlyUninstalled(self) -> bool:
         return self._package_id in self._package_manager.getPackagesToRemove()
 
-    def setCanDowngrade(self, value: bool) -> None:
-        if value != self._can_downgrade:
-            self._can_downgrade = value
-            self.stateManageButtonChanged.emit()
-
-    @pyqtProperty(bool, fset = setCanDowngrade, notify = stateManageButtonChanged)
+    @pyqtProperty(bool, notify = stateManageButtonChanged)
     def canDowngrade(self) -> bool:
         """Flag if the installed package can be downgraded to a bundled version"""
-        return self._can_downgrade
+        return self._package_manager.canDowngrade(self._package_id)
 
     def setIsUpdating(self, value):
         if value != self._is_updating:

plugins/Marketplace/resources/qml/PackageCardHeader.qml

@@ -220,8 +220,12 @@ Item
 
                 text:
                 {
+                    if (packageData.canDowngrade) { return catalog.i18nc("@button", "Downgrade"); }
                     if (packageData.isRecentlyInstalled) { return catalog.i18nc("@button", "Installed"); }
-                    if (packageData.isRecentlyUninstalled) { return catalog.i18nc("@button", "Uninstalled"); }
+                    if (packageData.isRecentlyUninstalled)
+                    {
+                        if (packageData.canDowngrade) { return catalog.i18nc("@button", "Downgraded") }
+                        else { return catalog.i18nc("@button", "Uninstalled"); } }
                     if (button_style)
                     {
                         if (packageData.isInstalling) { return catalog.i18nc("@button", "Installing..."); }