feat: Added travel models, travel creation command, travels list command with pagination, set help message, improvements and fixes

app/callbacks/travels.py

@@ -0,0 +1,40 @@
+# type: ignore
+__all__ = ()
+
+from aiogram import F, Router
+from aiogram.exceptions import TelegramBadRequest
+from aiogram.filters import StateFilter
+from aiogram.types import CallbackQuery
+
+from app import messages
+from app.config import Config
+from app.filters.user import RegisteredCallback
+from app.keyboards.builders import travels_keyboard
+from app.models.user import User
+
+
+router = Router(name="menu_callback")
+
+
+@router.callback_query(
+    F.data.startswith("travels_page"), RegisteredCallback(), StateFilter(None),
+)
+async def travels_callback(callback: CallbackQuery) -> None:
+    page = int(callback.data.replace("travels_page_", ""))
+
+    user = User().get_user_by_telegram_id(callback.from_user.id)
+
+    travels = user.get_user_travels()
+
+    if not travels or travels == []:
+        try:
+            await callback.message.edit_text(messages.NO_TRAVELS)
+        except TelegramBadRequest:
+            pass
+    else:
+        pages = (len(travels) + Config.PAGE_SIZE - 1) // Config.PAGE_SIZE
+
+        await callback.message.edit_text(
+            messages.TRAVELS,
+            reply_markup=travels_keyboard(travels, page, pages),
+        )