Add UI for downgrades (non functional)

src/downgrade.blp

@@ -0,0 +1,83 @@
+using Gtk 4.0;
+using Adw 1;
+
+template DowngradeWindow : Adw.Window {
+    default-width: 500;
+    default-height: 750;
+    modal: true;
+
+    Adw.ToolbarView main_toolbar_view {
+        [top]
+        HeaderBar header_bar {
+            show-title-buttons: false;
+
+            [start]
+            Button cancel_button {
+                label: _("Cancel");
+            }
+            [end]
+            Button apply_button {
+                sensitive: false;
+                label: _("Apply");
+                styles["suggested-action"]
+            }
+        }
+        content:
+        Adw.ToastOverlay toast_overlay {
+            Stack main_stack {
+                Overlay main_overlay {
+                    [overlay]
+                    ProgressBar progress_bar {
+                        pulse-step: 0.7;
+                        can-target: false;
+                        styles["osd"]
+                    }
+
+                    ScrolledWindow scrolled_window {
+                        vexpand: true;
+                        Adw.Clamp{
+                            Box outerbox {
+                                orientation: vertical;
+                                
+                                ListBox {
+                                    margin-top: 12;
+                                    margin-start: 12;
+                                    margin-end: 12;
+                                    hexpand: true;
+                                    valign: start;
+                                    selection-mode: none;
+                                    styles["boxed-list"]
+
+                                    Adw.SwitchRow mask_row {
+                                        title: _("Mask this Flatpak");
+                                        subtitle: _("Ensure that the flatpak will never update to a newer version");
+                                        active: true;
+                                    }
+                                }
+
+                                Label {
+                                    label: _("Select a Version");
+                                    margin-top: 12;
+                                    margin-start: 12;
+                                    halign: start;
+                                    styles["title-3"]
+                                }
+
+                                ListBox versions_listbox {
+                                    margin-top: 12;
+                                    margin-bottom: 12;
+                                    margin-start: 12;
+                                    margin-end: 12;
+                                    hexpand: true;
+                                    valign: start;
+                                    selection-mode: none;
+                                    styles["boxed-list"]
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        };
+    }
+}

src/downgrade_window.py

@@ -0,0 +1,110 @@
+from gi.repository import Gtk, Adw, GLib, Gdk, Gio
+from .common import myUtils
+import subprocess
+import os
+import pathlib
+
+@Gtk.Template(resource_path="/io/github/flattool/Warehouse/downgrade.ui")
+class DowngradeWindow(Adw.Window):
+    __gtype_name__ = "DowngradeWindow"
+    
+    new_env = dict( os.environ )
+    new_env['LC_ALL'] = 'C'
+
+    cancel_button = Gtk.Template.Child()
+    apply_button = Gtk.Template.Child()
+    versions_listbox = Gtk.Template.Child()
+    progress_bar = Gtk.Template.Child()
+    mask_row = Gtk.Template.Child()
+
+    def pulser(self):
+        if self.should_pulse:
+            self.progress_bar.pulse()
+            GLib.timeout_add(500, self.pulser)
+
+    def key_handler(self, _a, event, _c, _d):
+        if event == Gdk.KEY_Escape:
+            self.close()
+
+    def selectionHandler(self, button, index):
+        self.apply_button.set_sensitive(True)
+        if button.get_active():
+            self.commit_to_use = self.versions[index][0]
+
+    def getCommits(self):
+        output = subprocess.run(["flatpak-spawn", "--host", "flatpak", "remote-info", "--log", self.remote, self.app_ref, f"--{self.install_type}"], capture_output=True, text=True, env=self.new_env).stdout
+        lines = output.strip().split("\n")
+        columns = lines[0].split("\t")
+        data = [columns]
+        for line in lines[1:]:
+            row = line.split("\t")
+            data.append(row[0].strip())
+        
+        commits = []
+        changes = []
+        dates = []
+        for i in range(len(data)):
+            line = data[i]
+
+            if "Commit:" in line:
+                commits.append(line.replace("Commit: ", ""))
+
+            if "Subject:" in line:
+                changes.append(line.replace("Subject: ", ""))
+
+            if "Date:" in line:
+                dates.append(line.replace("Date: ", ""))
+
+        for i in range(len(commits)):
+            self.versions.append([commits[i], changes[i], dates[i]])
+
+    def commitsResponse(self):
+        self.progress_bar.set_visible(False)
+        self.should_pulse = False
+        for i in range(len(self.versions)):
+            version = self.versions[i]
+            row = Adw.ActionRow(title=version[2], subtitle=version[1])
+            select = Gtk.CheckButton()
+            select.connect("toggled", self.selectionHandler, i)
+            
+            if i > 0:
+                select.set_group(self.versions[i-1][3])
+
+            version.append(select)
+            row.set_activatable_widget(select)
+            row.add_prefix(select)
+            self.versions_listbox.append(row)
+
+    def generateList(self):
+        task = Gio.Task.new(None, None, lambda *_: self.commitsResponse())
+        task.run_in_thread(lambda *_: self.getCommits())
+
+    def __init__(self, parent_window, flatpak_row_item, **kwargs):
+        super().__init__(**kwargs)
+
+        # Create Variables
+        self.my_utils = myUtils(self)
+        self.app_name = flatpak_row_item[0]
+        self.app_id = flatpak_row_item[2]
+        self.remote = flatpak_row_item[6]
+        self.install_type = flatpak_row_item[7]
+        self.app_ref = flatpak_row_item[8]
+        self.versions = []
+        self.should_pulse = True
+        self.commit_to_use = ""
+        event_controller = Gtk.EventControllerKey()
+
+        # Connections
+        event_controller.connect("key-pressed", self.key_handler)
+        self.cancel_button.connect("clicked", lambda *_: self.close())
+
+        # Apply
+        self.pulser()
+        self.add_controller(event_controller)
+        self.set_title(_("Downgrade {}").format(self.app_name))
+        self.set_transient_for(parent_window)
+        # print(self.mask_row.get_active())
+
+        self.generateList()
+
+        self.present()

src/filter.blp

@@ -24,9 +24,7 @@ template FilterWindow : Adw.Window {
         }
         content:
         Adw.ToastOverlay toast_overlay {
-          Stack main_stack {
-            //Box main_box {
-                //orientation: vertical;
+            Stack main_stack {
                 Overlay main_overlay {
                     ScrolledWindow scrolled_window {
                         vexpand: true;
@@ -82,7 +80,6 @@ template FilterWindow : Adw.Window {
                         }
                     }
                 }
-            //}
             Adw.StatusPage no_data {
               icon-name: "check-plain-symbolic";
               title: _("No Leftover Data");
@@ -90,12 +87,5 @@ template FilterWindow : Adw.Window {
             }
           }
         };
-        // [bottom]
-        // ActionBar action_bar {
-        //     [start]
-        //     ToggleButton select_all_button {
-        //         label: _("Select All");
-        //     }
-        // }
     }
 }

src/meson.build

@@ -9,7 +9,8 @@ blueprints = custom_target('blueprints',
     'orphans.blp',
     'filter.blp',
     'popular_remotes.blp',
-    'remotes.blp'
+    'remotes.blp',
+    'downgrade.blp',
   ),
   output: '.',
   command: [find_program('blueprint-compiler'), 'batch-compile', '@OUTPUT@', '@CURRENT_SOURCE_DIR@', '@INPUT@'],
@@ -53,7 +54,9 @@ warehouse_sources = [
   'filter.blp',
   'popular_remotes_window.py',
   'style.css',
-  'remotes.blp'
+  'remotes.blp',
+  'downgrade_window.py',
+  'downgrade.blp'
 ]
 
 install_data(warehouse_sources, install_dir: moduledir)

src/warehouse.gresource.xml

@@ -6,6 +6,7 @@
     <file preprocess="xml-stripblanks">filter.ui</file>
     <file preprocess="xml-stripblanks">popular_remotes.ui</file>
     <file preprocess="xml-stripblanks">remotes.ui</file>
+    <file preprocess="xml-stripblanks">downgrade.ui</file>
     <file>style.css</file>
     <file preprocess="xml-stripblanks">gtk/help-overlay.ui</file>
     <!-- <file preprocess="xml-stripblanks">../data/io.github.flattool.Warehouse.metainfo.xml.in</file> -->

src/window.py

@@ -26,6 +26,7 @@ from .properties_window import show_properties_window
 from .filter_window import FilterWindow
 from .common import myUtils
 from .remotes_window import RemotesWindow
+from .downgrade_window import DowngradeWindow
 
 @Gtk.Template(resource_path="/io/github/flattool/Warehouse/window.ui")
 class WarehouseWindow(Adw.ApplicationWindow):
@@ -354,6 +355,10 @@ class WarehouseWindow(Adw.ApplicationWindow):
             uninstall_item = Gio.MenuItem.new(_("Uninstall {}").format(app_name), f"win.uninstall{index}")
             row_menu_model.append_item(uninstall_item)
 
+            self.create_action(("downgrade" + str(index)), lambda *_, row=self.host_flatpaks[index]: DowngradeWindow(self, row))
+            downgrade_item = Gio.MenuItem.new(_("Downgrade {}").format(app_name), f"win.downgrade{index}")
+            row_menu_model.append_item(downgrade_item)
+
             # row_menu_model.remove(1)
 
             row_menu.set_menu_model(row_menu_model)