added notification when menu is unavailable

Dockerfile

@@ -4,7 +4,7 @@ LABEL maintainer="Lord Baryhobal <lordbaryhobal@gmail.com>"
 
 RUN echo "Installing Typst" \
     && wget -q -O /tmp/typst.tar.xz https://github.com/typst/typst/releases/download/v0.11.1/typst-x86_64-unknown-linux-musl.tar.xz \
-    && tar -x /tmp/typst.tar.xz -C /tmp/ \
+    && tar -xf /tmp/typst.tar.xz -C /tmp/ \
     && mv /tmp/typst-x86_64-unknown-linux-musl/typst /usr/bin/typst \
     && chmod +x /usr/bin/typst \
     && rm -r /tmp/typst-x86_64-unknown-linux-musl \

src/beebot.py

@@ -215,9 +215,14 @@ class BeeBot:
             async with self.fetch_lock:
                 if not os.path.exists(menu_path) or self.is_outdated(menu_id, today_only):
                     if today_only:
-                        await self.fetch_today_menu()
+                        available = await self.fetch_today_menu()
                     else:
-                        await self.fetch_week_menu()
+                        available = await self.fetch_week_menu()
+
+                    if not available:
+                        await msg.edit_text(self.i18n(prefs["lang"], "notif.unavailable"))
+                        return
+
             await msg.delete()
 
         # If image needs to be (re)generated
@@ -338,33 +343,41 @@ class BeeBot:
         self.cache[menu_id] = datetime.datetime.today().strftime("%Y-%m-%d")
         self.save_cache()
 
-    async def fetch_week_menu(self) -> None:
+    async def fetch_week_menu(self) -> bool:
         logger.info("Fetching week menu")
         today = datetime.datetime.today()
         delta = datetime.timedelta(days=today.weekday())
         monday = today - delta
         days = []
+        menus_count = 0
         for i in range(5):
             dt = datetime.timedelta(days=i)
             date = monday + dt
             menus = await self.fetch_menu(date)
+            menus_count += len(menus)
             days.append({
                 "date": date.strftime("%Y-%m-%d"),
                 "menus": menus
             })
+        if menus_count == 0:
+            return False
 
         self.save_menu(days, "week_menu", "menus_week.json")
+        return True
 
-    async def fetch_today_menu(self) -> None:
+    async def fetch_today_menu(self) -> bool:
         logger.info("Fetching today menu")
         today = datetime.datetime.today()
         menus = await self.fetch_menu(today)
+        if len(menus) == 0:
+            return False
         days = [{
             "date": today.strftime("%Y-%m-%d"),
             "menus": menus
         }]
 
         self.save_menu(days, "today_menu", "menus_today.json")
+        return True
 
     async def fetch_menu(self, date: datetime.date) -> list:
         url = self.MENU_URL.format(date=date.strftime("%Y-%m-%d"))

src/lang.json

@@ -10,7 +10,8 @@
     "menu.back_to_settings": "Retour aux paramètres",
     "setting.language": "Langue: {}",
     "setting.categories": "Catégories: {}",
-    "notif.wait_updating": "Le menu est en train d'être mis à jour, veuillez patienter..."
+    "notif.wait_updating": "Le menu est en train d'être mis à jour, veuillez patienter...",
+    "notif.unavailable": "Il semblerait que le menu ne soit actuellement pas disponible"
   },
   "en": {
     "category.student": "Student",
@@ -23,7 +24,8 @@
     "menu.back_to_settings": "Back to settings",
     "setting.language": "Language: {}",
     "setting.categories": "Categories: {}",
-    "notif.wait_updating": "The menu is being updated, please wait..."
+    "notif.wait_updating": "The menu is being updated, please wait...",
+    "notif.unavailable": "It seems that the menu is currently unavailable"
   },
   "de": {
     "category.student": "Student",
@@ -36,6 +38,7 @@
     "menu.back_to_settings": "Zurück zu Einstellungen",
     "setting.language": "Sprache: {}",
     "setting.categories": "Kategorien: {}",
-    "notif.wait_updating": "Das Menü wird gerade aktualisiert, bitte warten Sie..."
+    "notif.wait_updating": "Das Menü wird gerade aktualisiert, bitte warten Sie...",
+    "notif.unavailable": "Es scheint, dass das Menü derzeit nicht verfügbar ist"
   }
 }