feat: jinja template for cards

app/lang

@@ -0,0 +1 @@
+../resources/lang

app/lang.py

@@ -0,0 +1,35 @@
+from collections.abc import MutableMapping
+from json import load
+from pathlib import Path
+
+LANG_DIR = Path(__file__).parent / "lang"
+FALLBACK_LANG = "en"
+LANG_CACHE: dict[str, dict[str, str]] = {}
+
+
+# https://stackoverflow.com/questions/6027558/flatten-nested-dictionaries-compressing-keys
+def __flatten(dictionary: dict, parent_key: str = "") -> dict[str, str]:
+    items = []
+    for key, value in dictionary.items():
+        new_key = parent_key + "." + key if parent_key else key
+        if isinstance(value, MutableMapping):
+            items.extend(__flatten(value, new_key).items())
+        else:
+            items.append((new_key, value))
+    return dict(items)
+
+
+def __get_lang_data(lang: str) -> dict[str, str]:
+    if lang not in LANG_CACHE:
+        file = LANG_DIR / f"{lang}.json"
+        if not file.exists():
+            return __get_lang_data(FALLBACK_LANG)
+        with file.open() as f:
+            raw_data: dict = load(f)
+            LANG_CACHE[lang] = __flatten(raw_data)
+    return LANG_CACHE[lang]
+
+
+def get_lang(lang: str, key: str) -> str:
+    data = __get_lang_data(lang)
+    return data.get(key, key)

app/server.py

@@ -8,6 +8,7 @@ import gunicorn.app.base
 import tortoise
 
 from app import PKG_NAME
+from app.lang import get_lang
 from app.models import Task
 
 if typing.TYPE_CHECKING:
@@ -36,11 +37,16 @@ class Server(gunicorn.app.base.BaseApplication):
         super().__init__()
 
     def register_routes(self) -> typing.Self:
-        @self.app.route("/", defaults={"_": ""})
-        @self.app.route("/<_>")
+        @self.app.route("/", defaults={"path": ""})
+        @self.app.route("/<path>")
         @self.limiter.exempt
-        def index(_: str) -> str:
-            return flask.render_template("index.html")
+        def index(path: str) -> str:
+            lang = flask.request.args.get("lang", "en")
+            return flask.render_template(
+                "index.html",
+                title=("Tout Doux" if not len(path) else f"Tout Doux - {path}"),
+                lang=lambda key: get_lang(lang, key),
+            )
 
         @self.app.route("/api/lists/<list_name>/tasks", methods=["GET"])
         async def get_tasks(list_name: str) -> list: