game-details: Support adding games

cartridges/games.py

@@ -3,15 +3,16 @@
 # SPDX-FileCopyrightText: Copyright 2025 kramo
 # SPDX-FileCopyrightText: Copyright 2025 Jamie Gravendeel
 
+import itertools
 import json
 import os
 import subprocess
-from collections.abc import Generator
+from collections.abc import Generator, Iterable
 from json import JSONDecodeError
 from pathlib import Path
 from shlex import quote
 from types import UnionType
-from typing import Any, NamedTuple, Self
+from typing import Any, NamedTuple, Self, cast
 
 from gi.repository import Gdk, Gio, GLib, GObject, Gtk
 
@@ -43,6 +44,7 @@ _GAMES_DIR = DATA_DIR / "games"
 _COVERS_DIR = DATA_DIR / "covers"
 
 _SPEC_VERSION = 2.0
+_MANUALLY_ADDED_ID = "imported"
 
 
 class Game(Gio.SimpleActionGroup):
@@ -108,6 +110,14 @@ class Game(Gio.SimpleActionGroup):
 
         return game
 
+    @classmethod
+    def for_editing(cls) -> Self:
+        """Create a game for the user to manually set its properties."""
+        return cls(
+            game_id=f"{_MANUALLY_ADDED_ID}_{_increment_manually_added_id()}",
+            source=_MANUALLY_ADDED_ID,
+        )
+
     def play(self):
         """Run the executable command in a shell."""
         if Path("/.flatpak-info").exists():
@@ -133,6 +143,20 @@ class Game(Gio.SimpleActionGroup):
             json.dump(properties, f, indent=4)
 
 
+def _increment_manually_added_id() -> int:
+    numbers = {
+        game.game_id.split("_")[1]
+        for game in cast(Iterable[Game], model)
+        if game.game_id.startswith(_MANUALLY_ADDED_ID)
+    }
+
+    for count in itertools.count():
+        if count not in numbers:
+            return count
+
+    raise ValueError
+
+
 def _load() -> Generator[Game]:
     for path in _GAMES_DIR.glob("*.json"):
         try:

cartridges/ui/game-details.blp

@@ -5,7 +5,8 @@ using Adw 1;
 template $GameDetails: Adw.NavigationPage {
   name: "details";
   tag: "details";
-  title: bind template.game as <$Game>.name;
+  title: bind $_or(template.game as <$Game>.name, _("Add Game")) as <string>;
+  hidden => $_exit();
 
   child: Adw.BreakpointBin {
     width-request: bind template.root as <Widget>.width-request;
@@ -297,7 +298,7 @@ template $GameDetails: Adw.NavigationPage {
 
                   Button {
                     action-name: "details.edit-done";
-                    label: _("Apply");
+                    label: bind $_if_else(template.game as <$Game>.added, _("Apply"), _("Add")) as <string>;
                     halign: center;
 
                     styles [

cartridges/ui/game_details.py

@@ -3,9 +3,10 @@
 
 
 import sys
+import time
 from datetime import UTC, datetime
 from gettext import gettext as _
-from typing import Any, cast
+from typing import Any, TypeVar, cast
 from urllib.parse import quote
 
 from gi.repository import Adw, Gdk, Gio, GObject, Gtk
@@ -21,6 +22,8 @@ _REQUIRED_PROPERTIES = {
     prop.name for prop in games.PROPERTIES if prop.editable and prop.required
 }
 
+_T = TypeVar("_T")
+
 
 @Gtk.Template.from_resource(f"{PREFIX}/game-details.ui")
 class GameDetails(Adw.NavigationPage):
@@ -84,31 +87,39 @@ class GameDetails(Adw.NavigationPage):
         self.stack.props.visible_child_name = "edit"
         self.name_entry.grab_focus()
 
-    def edit_done(self):
-        """Save edits and exit edit mode."""
-        if self.stack.props.visible_child_name != "edit":
-            return
-
+    def _edit_done(self):
         for prop in _EDITABLE_PROPERTIES:
             entry = getattr(self, f"{prop}_entry")
             value = entry.props.text
             previous_value = getattr(self.game, prop)
 
-            if not value and prop in _REQUIRED_PROPERTIES:
-                entry.props.text = previous_value
-                continue
-
             if value != previous_value:
                 setattr(self.game, prop, value)
-                if prop == "name":
+                if prop == "name" and not self.game.added:
                     self.emit("sort-changed")
 
+        if not self.game.added:
+            self.game.added = int(time.time())
+            games.model.append(self.game)
+
+        self._exit()
+
+    @Gtk.Template.Callback()
+    def _exit(self, *_args):
         self.stack.props.visible_child_name = "details"
 
     @Gtk.Template.Callback()
     def _activate_edit_done(self, _entry):
         self.activate_action("details.edit-done")
 
+    @Gtk.Template.Callback()
+    def _or(self, _obj, first: _T, second: _T) -> _T:
+        return first or second
+
+    @Gtk.Template.Callback()
+    def _if_else(self, _obj, condition: object, first: _T, second: _T) -> _T:
+        return first if condition else second
+
     @Gtk.Template.Callback()
     def _downscale_image(self, _obj, cover: Gdk.Texture | None) -> Gdk.Texture | None:
         if cover and (renderer := cast(Gtk.Native, self.props.root).get_renderer()):

cartridges/ui/window.blp

@@ -15,6 +15,11 @@ template $Window: Adw.ApplicationWindow {
       action: "action(win.show-hidden)";
     }
 
+    Shortcut {
+      trigger: "<Control>n";
+      action: "action(win.add)";
+    }
+
     Shortcut {
       trigger: "<Control>w";
       action: "action(window.close)";
@@ -22,8 +27,6 @@ template $Window: Adw.ApplicationWindow {
   }
 
   content: Adw.NavigationView navigation_view {
-    popped => $_edit_done();
-
     Adw.NavigationPage {
       title: bind template.title;
 
@@ -97,6 +100,13 @@ template $Window: Adw.ApplicationWindow {
             };
           };
 
+          [start]
+          Button {
+            icon-name: "list-add-symbolic";
+            tooltip-text: _("Add Game");
+            action-name: "win.add";
+          }
+
           [end]
           MenuButton {
             icon-name: "open-menu-symbolic";
@@ -203,6 +213,7 @@ template $Window: Adw.ApplicationWindow {
             child: Adw.StatusPage {
               icon-name: bind template.application as <Application>.application-id;
               title: _("No Games");
+              description: _("Use the + button to add games");
             };
           }
         };

cartridges/ui/window.py

@@ -71,6 +71,7 @@ class Window(Adw.ApplicationWindow):
                 state_settings.get_value("sort-mode").print_(False),
             ),
             ("edit", lambda _action, param, *_: self._edit(param.get_uint32()), "u"),
+            ("add", lambda *_: self._add()),
         ))
 
     @Gtk.Template.Callback()
@@ -138,6 +139,10 @@ class Window(Adw.ApplicationWindow):
         self.navigation_view.push_by_tag("details")
         self.details.edit()
 
-    @Gtk.Template.Callback()
-    def _edit_done(self, *_args):
-        self.details.edit_done()
+    def _add(self):
+        self.details.game = Game.for_editing()
+
+        if self.navigation_view.props.visible_page_tag != "details":
+            self.navigation_view.push_by_tag("details")
+
+        self.details.edit()