Bot is functional after full refactor

bot/operations/statistics.py

@@ -6,7 +6,8 @@ from hotels.models import Reservation, Hotel
 from users.models import User
 
 from bot.utils.pdf_report import generate_pdf_report
-from bot.utils.database import get_hotels_for_user
+from bot.utils.database import get_hotels_for_user, get_hotel_by_name
+
 
 async def statistics(update: Update, context: ContextTypes.DEFAULT_TYPE):
     """Вывод списка отелей для статистики."""
@@ -21,19 +22,21 @@ async def statistics(update: Update, context: ContextTypes.DEFAULT_TYPE):
         return
 
     # Получаем отели, связанные с пользователем
-    hotels = await get_hotels_for_user(user)
-    if not hotels:
+    user_hotels = await get_hotels_for_user(user)
+    if not user_hotels:
         await query.edit_message_text("У вас нет доступных отелей для статистики.")
         return
 
     # Формируем кнопки для выбора отеля
-    keyboard = [[InlineKeyboardButton(hotel.name, callback_data=f"stats_hotel_{hotel.id}")] for hotel in hotels]
+    keyboard = [
+        [InlineKeyboardButton(hotel.hotel.name, callback_data=f"stats_hotel_{hotel.hotel.id}")]
+        for hotel in user_hotels
+    ]
+    keyboard.append([InlineKeyboardButton("🏠 Главная", callback_data="main_menu")])
     reply_markup = InlineKeyboardMarkup(keyboard)
     await query.edit_message_text("Выберите отель:", reply_markup=reply_markup)
 
-
-
-async def stats_select_period(update: Update, context):
+async def stats_select_period(update: Update, context: ContextTypes.DEFAULT_TYPE):
     """Выбор периода времени для статистики."""
     query = update.callback_query
     await query.answer()
@@ -46,18 +49,21 @@ async def stats_select_period(update: Update, context):
         [InlineKeyboardButton("Месяц", callback_data="stats_period_month")],
         [InlineKeyboardButton("Все время", callback_data="stats_period_all")],
         [InlineKeyboardButton("🏠 Главная", callback_data="main_menu")],
-        [InlineKeyboardButton("🔙 Назад", callback_data="back")],
+        [InlineKeyboardButton("🔙 Назад", callback_data="statistics")],
     ]
     reply_markup = InlineKeyboardMarkup(keyboard)
     await query.edit_message_text("Выберите период времени:", reply_markup=reply_markup)
 
-
-async def generate_statistics(update: Update, context):
+async def generate_statistics(update: Update, context: ContextTypes.DEFAULT_TYPE):
     """Генерация и отправка статистики."""
     query = update.callback_query
     await query.answer()
 
-    hotel_id = context.user_data["selected_hotel"]
+    hotel_id = context.user_data.get("selected_hotel")
+    if not hotel_id:
+        await query.edit_message_text("Ошибка: ID отеля не найден.")
+        return
+
     period = query.data.split("_")[2]
 
     now = datetime.now()
@@ -74,8 +80,40 @@ async def generate_statistics(update: Update, context):
     reservations = await sync_to_async(list)(
         Reservation.objects.filter(hotel_id=hotel_id).prefetch_related('guests')
     )
+
+    if not reservations:
+        await query.edit_message_text("Нет данных для статистики за выбранный период.")
+        return
+
     hotel = await sync_to_async(Hotel.objects.get)(id=hotel_id)
     file_path = generate_pdf_report(hotel.name, reservations, start_date, end_date)
 
     with open(file_path, "rb") as file:
-        await query.message.reply_document(document=file, filename=file_path)
+        await query.message.reply_document(document=file, filename=f"{hotel.name}_report.pdf")
+
+
+async def stats_back(update: Update, context):
+    """Возврат к выбору отеля."""
+    query = update.callback_query
+    await query.answer()
+
+    # Получаем отели, связанные с пользователем
+    user_id = query.from_user.id
+    user = await sync_to_async(User.objects.filter(chat_id=user_id).first)()
+    if not user:
+        await query.edit_message_text("Ошибка: Пользователь не найден.")
+        return
+
+    hotels = await get_hotels_for_user(user)
+    if not hotels:
+        await query.edit_message_text("У вас нет доступных отелей.")
+        return
+
+    # Формируем кнопки для выбора отеля
+    keyboard = [
+        [InlineKeyboardButton(hotel.name, callback_data=f"stats_hotel_{hotel.id}")]
+        for hotel in hotels
+    ]
+    keyboard.append([InlineKeyboardButton("🏠 Главная", callback_data="main_menu")])
+    reply_markup = InlineKeyboardMarkup(keyboard)
+    await query.edit_message_text("Выберите отель:", reply_markup=reply_markup)

bot/utils/database.py

@@ -1,21 +1,32 @@
 from users.models import User
-from hotels.models import Hotel, Reservation
+from hotels.models import Hotel, Reservation, UserHotel
 from asgiref.sync import sync_to_async
+from django.core.exceptions import ObjectDoesNotExist
 
 async def get_user_from_chat_id(chat_id):
-    return await sync_to_async(User.objects.filter(chat_id=chat_id).first)()
+    try:
+        return await sync_to_async(User.objects.get)(chat_id=chat_id)
+    except ObjectDoesNotExist:
+        return None
 
 async def get_hotel_by_id(hotel_id):
-    return await sync_to_async(Hotel.objects.get)(id=hotel_id)
+    try:
+        return await sync_to_async(Hotel.objects.get)(id=hotel_id)
+    except ObjectDoesNotExist:
+        return None
 
+async def get_hotel_by_name(hotel_name):
+    try:
+        return await sync_to_async(Hotel.objects.get)(name=hotel_name)
+    except ObjectDoesNotExist:
+        return None
+    
 async def get_hotels_for_user(user):
     """Получение отелей, связанных с пользователем."""
-    # Проверяем, является ли пользователь сотрудником какого-либо отеля
-    user_hotels = await sync_to_async(list)(
-        Hotel.objects.filter(user_hotel__user=user).distinct()
+    return await sync_to_async(list)(
+        UserHotel.objects.filter(user=user).select_related('hotel')
     )
-    print(user_hotels)
-    return user_hotels
+
 
 async def get_reservations(hotel_id, start_date=None, end_date=None):
     query = Reservation.objects.filter(hotel_id=hotel_id)
@@ -23,4 +34,4 @@ async def get_reservations(hotel_id, start_date=None, end_date=None):
         query = query.filter(check_in__gte=start_date)
     if end_date:
         query = query.filter(check_out__lte=end_date)
-    return await sync_to_async(list)(query.prefetch_related('guests'))
+    return await sync_to_async(list)(query.prefetch_related('guests'))