backend rewrite

src/gnomeframe/backend.py

@@ -1,2 +1,71 @@
 # This class manages the backend of the application, specifically profiles
-# 
+# TODO
+# - Fetch new data from Wiki/API
+
+import json
+import os
+import math
+
+from pathlib import Path, cwd
+from dataclasses import dataclass
+
+from gi.repository import Gio, GLib, GObject
+
+# pseudo struct that contains the profile data that gets serialized into the .json profile.
+@dataclass
+class Profile:
+    # Dictionary that stores the ownership status of frames
+    owned_frames: [str, bool]
+    unique_frames_owned: int
+    missing_basics: [str]
+    missing_basics_count: int
+    missing_primes: [str]
+    missing_primes_count: int
+
+class Backend():
+
+    # warframe counts
+    # TODO Update via API/wiki
+    BASIC_WARFRAMES = 63
+    PRIME_WARFRAMES = 49
+    CURRENT_UPDATE = 41
+
+    # Profile
+    profile: Profile
+
+    # tracks whether the onboarding dialogue should be shown
+    fresh_install = True
+
+    def get_config_dir(app_id: str) -> Path:
+        base = Path(GLib.get_user_config_dir())
+        cfg_dir = base / app_id
+        cfg_dir.mkdir(parents=True, exist_ok=True)
+        return cfg_dir
+
+    # helpers for profile loading
+    APP_ID = "gay.valhrafnaz.Gnomeframe"
+    CONFIG_DIR = get_config_dir(APP_ID)
+    CONFIG_FILE = CONFIG_DIR / "profile.json"
+
+    def __init__():
+        loaded_profile: dict[str, bool] = Backend.load_profile()
+
+
+    def load_profile() -> dict[str, bool]:
+        try:
+            with Backend.CONFIG_FILE.open("r", encoding="utf-8") as f:
+                data = json.load(f)
+            return {k: bool(v) for k, v in data.items()}
+        except FileNotFoundError:
+            return {}
+        except (json.JSONDecodeError, OSError) as exc:
+            print(f"Could not load profile: {exc}")
+            return {}
+
+    def save_profile(state: dict[str, bool]) -> None:
+        try:
+            Backend.CONFIG_DIR.mkdir(parents=True, exist_ok=True)
+            with Backend.CONFIG_FILE.open("w", encoding="utf-8") as f:
+                json.dump(state, f, indent=2, sort_keys=True)
+        except OSError as exc:
+            print(f"Failed to write profile: {exc}")