backend/src/application/use_cases/collection_use_cases.py

@@ -139,3 +139,67 @@ class CollectionUseCases:
         all_collections = {c.collection_id: c for c in owned + public + accessed_collections}
         return list(all_collections.values())[skip:skip+limit]
     
+    async def list_collection_access(self, collection_id: UUID, user_id: UUID) -> list[CollectionAccess]:
+        """Получить список доступа к коллекции"""
+        collection = await self.get_collection(collection_id)
+        
+        has_access = await self.check_access(collection_id, user_id)
+        if not has_access:
+            raise ForbiddenError("У вас нет доступа к этой коллекции")
+        
+        return await self.access_repository.list_by_collection(collection_id)
+    
+    async def grant_access_by_telegram_id(
+        self, 
+        collection_id: UUID, 
+        telegram_id: str, 
+        owner_id: UUID
+    ) -> CollectionAccess:
+        """Предоставить доступ пользователю к коллекции по Telegram ID"""
+        collection = await self.get_collection(collection_id)
+        
+        if collection.owner_id != owner_id:
+            raise ForbiddenError("Только владелец может предоставлять доступ")
+        
+        user = await self.user_repository.get_by_telegram_id(telegram_id)
+        if not user:
+            from src.domain.entities.user import User, UserRole
+            import logging
+            logger = logging.getLogger(__name__)
+            logger.info(f"Creating new user with telegram_id: {telegram_id}")
+            user = User(telegram_id=telegram_id, role=UserRole.USER)
+            try:
+                user = await self.user_repository.create(user)
+                logger.info(f"User created successfully: user_id={user.user_id}, telegram_id={user.telegram_id}")
+            except Exception as e:
+                logger.error(f"Error creating user: {e}")
+                raise
+        
+        if user.user_id == owner_id:
+            raise ForbiddenError("Владелец уже имеет доступ к коллекции")
+        
+        existing_access = await self.access_repository.get_by_user_and_collection(user.user_id, collection_id)
+        if existing_access:
+            return existing_access
+        
+        access = CollectionAccess(user_id=user.user_id, collection_id=collection_id)
+        return await self.access_repository.create(access)
+    
+    async def revoke_access_by_telegram_id(
+        self, 
+        collection_id: UUID, 
+        telegram_id: str, 
+        owner_id: UUID
+    ) -> bool:
+        """Отозвать доступ пользователя к коллекции по Telegram ID"""
+        collection = await self.get_collection(collection_id)
+        
+        if collection.owner_id != owner_id:
+            raise ForbiddenError("Только владелец может отзывать доступ")
+        
+        user = await self.user_repository.get_by_telegram_id(telegram_id)
+        if not user:
+            raise NotFoundError(f"Пользователь с telegram_id {telegram_id} не найден")
+        
+        return await self.access_repository.delete_by_user_and_collection(user.user_id, collection_id)
+

backend/src/application/use_cases/document_use_cases.py

@@ -6,6 +6,7 @@ from typing import BinaryIO, Optional
 from src.domain.entities.document import Document
 from src.domain.repositories.document_repository import IDocumentRepository
 from src.domain.repositories.collection_repository import ICollectionRepository
+from src.domain.repositories.collection_access_repository import ICollectionAccessRepository
 from src.application.services.document_parser_service import DocumentParserService
 from src.shared.exceptions import NotFoundError, ForbiddenError
 
@@ -17,12 +18,25 @@ class DocumentUseCases:
         self,
         document_repository: IDocumentRepository,
         collection_repository: ICollectionRepository,
+        access_repository: ICollectionAccessRepository,
         parser_service: DocumentParserService
     ):
         self.document_repository = document_repository
         self.collection_repository = collection_repository
+        self.access_repository = access_repository
         self.parser_service = parser_service
     
+    async def _check_collection_access(self, user_id: UUID, collection) -> bool:
+        """Проверить доступ пользователя к коллекции"""
+        if collection.owner_id == user_id:
+            return True
+        
+        if collection.is_public:
+            return True
+        
+        access = await self.access_repository.get_by_user_and_collection(user_id, collection.collection_id)
+        return access is not None
+    
     async def create_document(
         self,
         collection_id: UUID,
@@ -55,8 +69,9 @@ class DocumentUseCases:
         if not collection:
             raise NotFoundError(f"Коллекция {collection_id} не найдена")
         
-        if collection.owner_id != user_id:
+        has_access = await self._check_collection_access(user_id, collection)
-            raise ForbiddenError("Только владелец может добавлять документы")
+        if not has_access:
+            raise ForbiddenError("У вас нет доступа к этой коллекции")
         
         title, content = await self.parser_service.parse_pdf(file, filename)
         
@@ -87,8 +102,11 @@ class DocumentUseCases:
         document = await self.get_document(document_id)
         
         collection = await self.collection_repository.get_by_id(document.collection_id)
-        if not collection or collection.owner_id != user_id:
+        if not collection:
-            raise ForbiddenError("Только владелец коллекции может изменять документы")
+            raise NotFoundError(f"Коллекция {document.collection_id} не найдена")
+        has_access = await self._check_collection_access(user_id, collection)
+        if not has_access:
+            raise ForbiddenError("У вас нет доступа к этой коллекции")
         
         if title is not None:
             document.title = title

backend/src/presentation/api/v1/collections.py

@@ -13,7 +13,9 @@ from src.presentation.schemas.collection_schemas import (
     CollectionUpdate,
     CollectionResponse,
     CollectionAccessGrant,
-    CollectionAccessResponse
+    CollectionAccessResponse,
+    CollectionAccessListResponse,
+    CollectionAccessUserInfo
 )
 from src.application.use_cases.collection_use_cases import CollectionUseCases
 from src.domain.entities.user import User
@@ -44,10 +46,19 @@ async def create_collection(
 @inject
 async def get_collection(
     collection_id: UUID,
+    request: Request,
+    user_repo: Annotated[IUserRepository, FromDishka()],
     use_cases: Annotated[CollectionUseCases, FromDishka()]
 ):
     """Получить коллекцию по ID"""
+    current_user = await get_current_user(request, user_repo)
     collection = await use_cases.get_collection(collection_id)
+    
+    has_access = await use_cases.check_access(collection_id, current_user.user_id)
+    if not has_access:
+        from fastapi import HTTPException
+        raise HTTPException(status_code=403, detail="У вас нет доступа к этой коллекции")
+    
     return CollectionResponse.from_entity(collection)
 
 
@@ -138,3 +149,78 @@ async def revoke_access(
     await use_cases.revoke_access(collection_id, user_id, current_user.user_id)
     return JSONResponse(status_code=status.HTTP_204_NO_CONTENT, content=None)
 
+
+@router.get("/{collection_id}/access", response_model=List[CollectionAccessListResponse])
+@inject
+async def list_collection_access(
+    collection_id: UUID,
+    request: Request,
+    user_repo: Annotated[IUserRepository, FromDishka()],
+    use_cases: Annotated[CollectionUseCases, FromDishka()]
+):
+    """Получить список пользователей с доступом к коллекции"""
+    current_user = await get_current_user(request, user_repo)
+    accesses = await use_cases.list_collection_access(collection_id, current_user.user_id)
+    result = []
+    for access in accesses:
+        user = await user_repo.get_by_id(access.user_id)
+        if user:
+            user_info = CollectionAccessUserInfo(
+                user_id=user.user_id,
+                telegram_id=user.telegram_id,
+                role=user.role.value,
+                created_at=user.created_at
+            )
+            result.append(CollectionAccessListResponse(
+                access_id=access.access_id,
+                user=user_info,
+                collection_id=access.collection_id,
+                created_at=access.created_at
+            ))
+    
+    return result
+
+
+@router.post("/{collection_id}/access/telegram/{telegram_id}", response_model=CollectionAccessResponse, status_code=status.HTTP_201_CREATED)
+@inject
+async def grant_access_by_telegram_id(
+    collection_id: UUID,
+    telegram_id: str,
+    request: Request,
+    user_repo: Annotated[IUserRepository, FromDishka()],
+    use_cases: Annotated[CollectionUseCases, FromDishka()]
+):
+    """Предоставить доступ пользователю к коллекции по Telegram ID"""
+    import logging
+    logger = logging.getLogger(__name__)
+    
+    current_user = await get_current_user(request, user_repo)
+    logger.info(f"Granting access: collection_id={collection_id}, target_telegram_id={telegram_id}, owner_id={current_user.user_id}")
+    
+    try:
+        access = await use_cases.grant_access_by_telegram_id(
+            collection_id=collection_id,
+            telegram_id=telegram_id,
+            owner_id=current_user.user_id
+        )
+        logger.info(f"Access granted successfully: access_id={access.access_id}")
+        return CollectionAccessResponse.from_entity(access)
+    except Exception as e:
+        logger.error(f"Error granting access: {e}", exc_info=True)
+        raise
+
+
+@router.delete("/{collection_id}/access/telegram/{telegram_id}", status_code=status.HTTP_204_NO_CONTENT)
+@inject
+async def revoke_access_by_telegram_id(
+    collection_id: UUID,
+    telegram_id: str,
+    request: Request,
+    user_repo: Annotated[IUserRepository, FromDishka()],
+    use_cases: Annotated[CollectionUseCases, FromDishka()]
+):
+    """Отозвать доступ пользователя к коллекции по Telegram ID"""
+    current_user = await get_current_user(request, user_repo)
+    await use_cases.revoke_access_by_telegram_id(collection_id, telegram_id, current_user.user_id)
+    return JSONResponse(status_code=status.HTTP_204_NO_CONTENT, content=None)
+

backend/src/presentation/api/v1/documents.py

@@ -2,7 +2,7 @@
 API роутеры для работы с документами
 """
 from uuid import UUID
-from fastapi import APIRouter, status, UploadFile, File, Depends, Request
+from fastapi import APIRouter, status, UploadFile, File, Depends, Request, Query
 from fastapi.responses import JSONResponse
 from typing import List, Annotated
 from dishka.integrations.fastapi import FromDishka, inject
@@ -14,6 +14,7 @@ from src.presentation.schemas.document_schemas import (
     DocumentResponse
 )
 from src.application.use_cases.document_use_cases import DocumentUseCases
+from src.application.use_cases.collection_use_cases import CollectionUseCases
 from src.domain.entities.user import User
 
 router = APIRouter(prefix="/documents", tags=["documents"])
@@ -41,10 +42,10 @@ async def create_document(
 @router.post("/upload", response_model=DocumentResponse, status_code=status.HTTP_201_CREATED)
 @inject
 async def upload_document(
-    collection_id: UUID,
+    collection_id: UUID = Query(...),
-    request: Request,
+    request: Request = None,
-    user_repo: Annotated[IUserRepository, FromDishka()],
+    user_repo: Annotated[IUserRepository, FromDishka()] = None,
-    use_cases: Annotated[DocumentUseCases, FromDishka()],
+    use_cases: Annotated[DocumentUseCases, FromDishka()] = None,
     file: UploadFile = File(...)
 ):
     """Загрузить и распарсить PDF документ или изображение"""
@@ -123,11 +124,22 @@ async def delete_document(
 @inject
 async def list_collection_documents(
     collection_id: UUID,
+    request: Request,
+    user_repo: Annotated[IUserRepository, FromDishka()],
     use_cases: Annotated[DocumentUseCases, FromDishka()],
+    collection_use_cases: Annotated[CollectionUseCases, FromDishka()],
     skip: int = 0,
     limit: int = 100
 ):
     """Получить документы коллекции"""
+    current_user = await get_current_user(request, user_repo)
+    
+    
+    has_access = await collection_use_cases.check_access(collection_id, current_user.user_id)
+    if not has_access:
+        from fastapi import HTTPException
+        raise HTTPException(status_code=403, detail="У вас нет доступа к этой коллекции")
+    
     documents = await use_cases.list_collection_documents(
         collection_id=collection_id,
         skip=skip,

backend/src/presentation/schemas/collection_schemas.py

@@ -75,3 +75,22 @@ class CollectionAccessResponse(BaseModel):
     class Config:
         from_attributes = True
 
+
+class CollectionAccessUserInfo(BaseModel):
+    """Информация о пользователе с доступом"""
+    user_id: UUID
+    telegram_id: str
+    role: str
+    created_at: datetime
+
+
+class CollectionAccessListResponse(BaseModel):
+    """Схема ответа со списком доступа"""
+    access_id: UUID
+    user: CollectionAccessUserInfo
+    collection_id: UUID
+    created_at: datetime
+    
+    class Config:
+        from_attributes = True
+

backend/src/shared/di_container.py

@@ -151,9 +151,10 @@ class UseCaseProvider(Provider):
         self,
         document_repo: IDocumentRepository,
         collection_repo: ICollectionRepository,
+        access_repo: ICollectionAccessRepository,
         parser_service: DocumentParserService
     ) -> DocumentUseCases:
-        return DocumentUseCases(document_repo, collection_repo, parser_service)
+        return DocumentUseCases(document_repo, collection_repo, access_repo, parser_service)
 
     @provide(scope=Scope.REQUEST)
     def get_conversation_use_cases(

tg_bot/infrastructure/telegram/bot.py

@@ -10,7 +10,8 @@ from tg_bot.infrastructure.telegram.handlers import (
     stats_handler,
     question_handler,
     buy_handler,
-    collection_handler
+    collection_handler,
+    document_handler
 )
 
 logger = logging.getLogger(__name__)
@@ -27,6 +28,7 @@ async def create_bot() -> tuple[Bot, Dispatcher]:
     dp.include_router(stats_handler.router)
     dp.include_router(buy_handler.router)
     dp.include_router(collection_handler.router)
+    dp.include_router(document_handler.router)
     dp.include_router(question_handler.router)
     return bot, dp
 

tg_bot/infrastructure/telegram/handlers/collection_handler.py

@@ -1,8 +1,13 @@
-from aiogram import Router
+from aiogram import Router, F
 from aiogram.types import Message, InlineKeyboardMarkup, InlineKeyboardButton, CallbackQuery
-from aiogram.filters import Command
+from aiogram.filters import Command, StateFilter
+from aiogram.fsm.context import FSMContext
 import aiohttp
 from tg_bot.config.settings import settings
+from tg_bot.infrastructure.telegram.states.collection_states import (
+    CollectionAccessStates,
+    CollectionEditStates
+)
 
 router = Router()
 
@@ -24,16 +29,29 @@ async def get_user_collections(telegram_id: str):
 
 async def get_collection_documents(collection_id: str, telegram_id: str):
     try:
+        collection_id = str(collection_id).strip()
+        url = f"{settings.BACKEND_URL}/documents/collection/{collection_id}"
+        print(f"DEBUG get_collection_documents: URL={url}, collection_id={collection_id}, telegram_id={telegram_id}")
+        
         async with aiohttp.ClientSession() as session:
             async with session.get(
-                f"{settings.BACKEND_URL}/documents/collection/{collection_id}",
+                url,
                 headers={"X-Telegram-ID": telegram_id}
             ) as response:
                 if response.status == 200:
                     return await response.json()
+                elif response.status == 422:
+                    error_text = await response.text()
+                    print(f"Validation error getting documents: {response.status} - {error_text}, collection_id: {collection_id}, URL: {url}")
+                    return []
+                else:
+                    error_text = await response.text()
+                    print(f"Error getting documents: {response.status} - {error_text}, collection_id: {collection_id}, URL: {url}")
                     return []
     except Exception as e:
-        print(f"Error getting documents: {e}")
+        print(f"Exception getting documents: {e}, collection_id: {collection_id}, type: {type(collection_id)}")
+        import traceback
+        traceback.print_exc()
         return []
 
 
@@ -53,6 +71,91 @@ async def search_in_collection(collection_id: str, query: str, telegram_id: str)
         return []
 
 
+async def get_collection_info(collection_id: str, telegram_id: str):
+    """Получить информацию о коллекции"""
+    try:
+        collection_id = str(collection_id).strip()
+        url = f"{settings.BACKEND_URL}/collections/{collection_id}"
+        print(f"DEBUG get_collection_info: URL={url}, collection_id={collection_id}, telegram_id={telegram_id}")
+        
+        async with aiohttp.ClientSession() as session:
+            async with session.get(
+                url,
+                headers={"X-Telegram-ID": telegram_id}
+            ) as response:
+                if response.status == 200:
+                    return await response.json()
+                elif response.status == 422:
+                    error_text = await response.text()
+                    print(f"Validation error getting collection info: {response.status} - {error_text}, collection_id: {collection_id}, URL: {url}")
+                    return None
+                else:
+                    error_text = await response.text()
+                    print(f"Error getting collection info: {response.status} - {error_text}, collection_id: {collection_id}, URL: {url}")
+                    return None
+    except Exception as e:
+        print(f"Exception getting collection info: {e}, collection_id: {collection_id}, type: {type(collection_id)}")
+        import traceback
+        traceback.print_exc()
+        return None
+
+
+async def get_collection_access_list(collection_id: str, telegram_id: str):
+    """Получить список пользователей с доступом к коллекции"""
+    try:
+        async with aiohttp.ClientSession() as session:
+            async with session.get(
+                f"{settings.BACKEND_URL}/collections/{collection_id}/access",
+                headers={"X-Telegram-ID": telegram_id}
+            ) as response:
+                if response.status == 200:
+                    return await response.json()
+                return []
+    except Exception as e:
+        print(f"Error getting access list: {e}")
+        return []
+
+
+async def grant_collection_access(collection_id: str, telegram_id: str, owner_telegram_id: str):
+    """Предоставить доступ к коллекции"""
+    try:
+        url = f"{settings.BACKEND_URL}/collections/{collection_id}/access/telegram/{telegram_id}"
+        print(f"DEBUG grant_collection_access: URL={url}, target_telegram_id={telegram_id}, owner_telegram_id={owner_telegram_id}")
+        
+        async with aiohttp.ClientSession() as session:
+            async with session.post(
+                url,
+                headers={"X-Telegram-ID": owner_telegram_id}
+            ) as response:
+                if response.status == 201:
+                    result = await response.json()
+                    print(f"DEBUG: Access granted successfully: {result}")
+                    return result
+                else:
+                    error_text = await response.text()
+                    print(f"ERROR granting access: status={response.status}, error={error_text}, target_telegram_id={telegram_id}")
+                    return None
+    except Exception as e:
+        print(f"Exception granting access: {e}, target_telegram_id={telegram_id}")
+        import traceback
+        traceback.print_exc()
+        return None
+
+
+async def revoke_collection_access(collection_id: str, telegram_id: str, owner_telegram_id: str):
+    """Отозвать доступ к коллекции"""
+    try:
+        async with aiohttp.ClientSession() as session:
+            async with session.delete(
+                f"{settings.BACKEND_URL}/collections/{collection_id}/access/telegram/{telegram_id}",
+                headers={"X-Telegram-ID": owner_telegram_id}
+            ) as response:
+                return response.status == 204
+    except Exception as e:
+        print(f"Error revoking access: {e}")
+        return False
+
+
 @router.message(Command("mycollections"))
 async def cmd_mycollections(message: Message):
     telegram_id = str(message.from_user.id)
@@ -147,26 +250,133 @@ async def cmd_search(message: Message):
     await message.answer(response, parse_mode="HTML")
 
 
-@router.callback_query(lambda c: c.data.startswith("collection:"))
+@router.callback_query(lambda c: c.data.startswith("collection:") and not c.data.startswith("collection:documents:") and not c.data.startswith("collection:edit:") and not c.data.startswith("collection:access:") and not c.data.startswith("collection:view_access:"))
-async def show_collection_documents(callback: CallbackQuery):
+async def show_collection_menu(callback: CallbackQuery):
-    collection_id = callback.data.split(":")[1]
+    """Показать меню коллекции с опциями в зависимости от прав"""
+    parts = callback.data.split(":", 1)
+    if len(parts) < 2:
+        await callback.message.answer(
+            "<b>Ошибка</b>\n\nНеверный формат данных.",
+            parse_mode="HTML"
+        )
+        await callback.answer()
+        return
+    
+    collection_id = parts[1]
     telegram_id = str(callback.from_user.id)
     
+    print(f"DEBUG: collection_id from callback (menu): {collection_id}, callback_data: {callback.data}")
+    
+    await callback.answer("Загружаю информацию...")
+    
+    collection_info = await get_collection_info(collection_id, telegram_id)
+    if not collection_info:
+        await callback.message.answer(
+            "<b>Ошибка</b>\n\nНе удалось загрузить информацию о коллекции.",
+            parse_mode="HTML"
+        )
+        return
+    
+    owner_id = collection_info.get("owner_id")
+    collection_name = collection_info.get("name", "Коллекция")
+    
+    try:
+        async with aiohttp.ClientSession() as session:
+            async with session.get(
+                f"{settings.BACKEND_URL}/users/telegram/{telegram_id}"
+            ) as response:
+                if response.status == 200:
+                    user_info = await response.json()
+                    current_user_id = user_info.get("user_id")
+                    is_owner = str(owner_id) == str(current_user_id)
+                else:
+                    is_owner = False
+    except:
+        is_owner = False
+    
+    keyboard_buttons = []
+    
+    collection_id_str = str(collection_id)
+    
+    if is_owner:
+        keyboard_buttons = [
+            [InlineKeyboardButton(text="Просмотр документов", callback_data=f"collection:documents:{collection_id_str}")],
+            [InlineKeyboardButton(text="Редактировать коллекцию", callback_data=f"collection:edit:{collection_id_str}")],
+            [InlineKeyboardButton(text="Управление доступом", callback_data=f"collection:access:{collection_id_str}")],
+            [InlineKeyboardButton(text="Загрузить документ", callback_data=f"document:upload:{collection_id_str}")],
+            [InlineKeyboardButton(text="Назад к коллекциям", callback_data="collections:list")]
+        ]
+    else:
+        keyboard_buttons = [
+            [InlineKeyboardButton(text="Просмотр документов", callback_data=f"collection:documents:{collection_id_str}")],
+            [InlineKeyboardButton(text="Просмотр доступа", callback_data=f"collection:view_access:{collection_id_str}")],
+            [InlineKeyboardButton(text="Назад к коллекциям", callback_data="collections:list")]
+        ]
+    
+    keyboard = InlineKeyboardMarkup(inline_keyboard=keyboard_buttons)
+    
+    role_text = "<b>Владелец</b>" if is_owner else "<b>Доступ</b>"
+    response = f"<b>{collection_name}</b>\n\n"
+    response += f"{role_text}\n\n"
+    response += f"ID: <code>{collection_id}</code>\n\n"
+    response += "Выберите действие:"
+    
+    await callback.message.answer(response, parse_mode="HTML", reply_markup=keyboard)
+
+
+@router.callback_query(lambda c: c.data.startswith("collection:documents:"))
+async def show_collection_documents(callback: CallbackQuery):
+    """Показать документы коллекции"""
+    try:
+        parts = callback.data.split(":", 2)
+        if len(parts) < 3:
+            raise ValueError("Неверный формат callback_data")
+        
+        collection_id = parts[2]  
+        telegram_id = str(callback.from_user.id)
+        
+        print(f"DEBUG: collection_id from callback: {collection_id}, callback_data: {callback.data}")
+        
         await callback.answer("Загружаю документы...")
         
+        collection_info = await get_collection_info(collection_id, telegram_id)
+        if not collection_info:
+            await callback.message.answer(
+                "<b>Ошибка</b>\n\nНе удалось загрузить информацию о коллекции. Проверьте, что у вас есть доступ к этой коллекции.",
+                parse_mode="HTML"
+            )
+            return
+        
         documents = await get_collection_documents(collection_id, telegram_id)
         
         if not documents:
             await callback.message.answer(
                 f"<b>Коллекция пуста</b>\n\n"
-            f"В этой коллекции пока нет документов.\n"
+                f"В этой коллекции пока нет документов.",
-            f"Обратитесь к администратору для добавления документов.",
                 parse_mode="HTML"
             )
             return
+    except IndexError:
+        await callback.message.answer(
+            "<b>Ошибка</b>\n\nНеверный формат данных.",
+            parse_mode="HTML"
+        )
+        await callback.answer()
+        return
+    except Exception as e:
+        print(f"Error in show_collection_documents: {e}")
+        await callback.message.answer(
+            f"<b>Ошибка</b>\n\nПроизошла ошибка при загрузке документов: {str(e)}",
+            parse_mode="HTML"
+        )
+        await callback.answer()
+        return
     
     response = f"<b>Документы в коллекции:</b>\n\n"
+    keyboard_buttons = []
+    
     for i, doc in enumerate(documents[:10], 1):
+        doc_id = doc.get("document_id")
         title = doc.get("title", "Без названия")
         content_preview = doc.get("content", "")[:100]
         response += f"{i}. <b>{title}</b>\n"
@@ -174,9 +384,361 @@ async def show_collection_documents(callback: CallbackQuery):
             response += f"   <i>{content_preview}...</i>\n"
         response += "\n"
         
+        keyboard_buttons.append([
+            InlineKeyboardButton(
+                text=f"{title[:30]}",
+                callback_data=f"document:view:{doc_id}"
+            )
+        ])
+    
     if len(documents) > 10:
         response += f"\n<i>Показано 10 из {len(documents)} документов</i>"
     
-    await callback.message.answer(response, parse_mode="HTML")
+    
+    collection_id_for_back = str(collection_info.get("collection_id", collection_id))
+    keyboard_buttons.append([
+        InlineKeyboardButton(text="Назад", callback_data=f"collection:{collection_id_for_back}")
+    ])
+    
+    keyboard = InlineKeyboardMarkup(inline_keyboard=keyboard_buttons)
+    await callback.message.answer(response, parse_mode="HTML", reply_markup=keyboard)
+
+
+@router.callback_query(lambda c: c.data.startswith("collection:access:"))
+async def show_access_management(callback: CallbackQuery):
+    """Показать меню управления доступом (только для владельца)"""
+    collection_id = callback.data.split(":")[2]
+    telegram_id = str(callback.from_user.id)
+    
+    await callback.answer("Загружаю список доступа...")
+    
+    access_list = await get_collection_access_list(collection_id, telegram_id)
+    
+    response = "<b>Управление доступом</b>\n\n"
+    response += "<b>Пользователи с доступом:</b>\n\n"
+    
+    keyboard_buttons = []
+    
+    if access_list:
+        for i, access in enumerate(access_list[:10], 1):
+            user = access.get("user", {})
+            user_telegram_id = user.get("telegram_id", "N/A")
+            role = user.get("role", "user")
+            response += f"{i}. <code>{user_telegram_id}</code> ({role})\n"
+            
+            keyboard_buttons.append([
+                InlineKeyboardButton(
+                    text=f" Удалить {user_telegram_id}",
+                    callback_data=f"access:remove:{collection_id}:{user_telegram_id}"
+                )
+            ])
+    else:
+        response += "<i>Нет пользователей с доступом</i>\n\n"
+    
+    keyboard_buttons.extend([
+        [InlineKeyboardButton(text="Добавить доступ", callback_data=f"access:add:{collection_id}")],
+        [InlineKeyboardButton(text="Назад", callback_data=f"collection:{collection_id}")]
+    ])
+    
+    keyboard = InlineKeyboardMarkup(inline_keyboard=keyboard_buttons)
+    await callback.message.answer(response, parse_mode="HTML", reply_markup=keyboard)
+
+
+@router.callback_query(lambda c: c.data.startswith("collection:view_access:"))
+async def show_access_list(callback: CallbackQuery):
+    """Показать список пользователей с доступом (read-only для пользователей с доступом)"""
+    collection_id = callback.data.split(":")[2]
+    telegram_id = str(callback.from_user.id)
+    
+    await callback.answer("Загружаю список доступа...")
+    
+    access_list = await get_collection_access_list(collection_id, telegram_id)
+    
+    response = "<b>Пользователи с доступом</b>\n\n"
+    
+    if access_list:
+        for i, access in enumerate(access_list[:20], 1):
+            user = access.get("user", {})
+            user_telegram_id = user.get("telegram_id", "N/A")
+            role = user.get("role", "user")
+            response += f"{i}. <code>{user_telegram_id}</code> ({role})\n"
+    else:
+        response += "<i>Нет пользователей с доступом</i>\n"
+    
+    keyboard = InlineKeyboardMarkup(inline_keyboard=[[
+        InlineKeyboardButton(text="Назад", callback_data=f"collection:{collection_id}")
+    ]])
+    await callback.message.answer(response, parse_mode="HTML", reply_markup=keyboard)
+
+
+@router.callback_query(lambda c: c.data.startswith("access:add:"))
+async def add_access_prompt(callback: CallbackQuery, state: FSMContext):
+    """Запросить пересылку сообщения для добавления доступа"""
+    collection_id = callback.data.split(":")[2]
+    telegram_id = str(callback.from_user.id)
+    
+    await state.update_data(collection_id=collection_id)
+    await state.set_state(CollectionAccessStates.waiting_for_username)
+    
+    await callback.message.answer(
+        "<b>Добавить доступ</b>\n\n"
+        "Перешлите любое сообщение от пользователя, которому нужно предоставить доступ.\n\n"
+        "<i>Просто перешлите сообщение от нужного пользователя.</i>",
+        parse_mode="HTML"
+    )
+    await callback.answer()
+
+
+@router.message(StateFilter(CollectionAccessStates.waiting_for_username))
+async def process_add_access(message: Message, state: FSMContext):
+    """Обработать добавление доступа через пересылку сообщения"""
+    telegram_id = str(message.from_user.id)
+    data = await state.get_data()
+    collection_id = data.get("collection_id")
+    
+    if not collection_id:
+        await message.answer("Ошибка: не указана коллекция")
+        await state.clear()
+        return
+    
+    target_telegram_id = None
+    
+    if message.forward_from:
+        target_telegram_id = str(message.forward_from.id)
+    elif message.forward_from_chat:
+        await message.answer(
+            "<b>Ошибка</b>\n\n"
+            "Пожалуйста, перешлите сообщение от пользователя, а не из группы или канала.",
+            parse_mode="HTML"
+        )
+        await state.clear()
+        return
+    elif message.forward_date:
+        await message.answer(
+            "<b>Информация о пересылке скрыта</b>\n\n"
+            "Пользователь скрыл информацию о пересылке в настройках приватности Telegram.\n\n"
+            "Попросите пользователя временно разрешить пересылку сообщений.",
+            parse_mode="HTML"
+        )
+        await state.clear()
+        return
+    else:
+        await message.answer(
+            "<b>Ошибка</b>\n\n"
+            "Пожалуйста, перешлите сообщение от пользователя, которому нужно предоставить доступ.\n\n"
+            "<i>Просто перешлите любое сообщение от нужного пользователя.</i>",
+            parse_mode="HTML"
+        )
+        await state.clear()
+        return
+    
+    if not target_telegram_id:
+        await message.answer(
+            "<b>Ошибка</b>\n\n"
+            "Не удалось определить Telegram ID пользователя.",
+            parse_mode="HTML"
+        )
+        await state.clear()
+        return
+    
+    print(f"DEBUG: Attempting to grant access: collection_id={collection_id}, target_telegram_id={target_telegram_id}, owner_telegram_id={telegram_id}")
+    result = await grant_collection_access(collection_id, target_telegram_id, telegram_id)
+    
+    if result:
+        user_info = ""
+        if message.forward_from:
+            user_name = message.forward_from.first_name or ""
+            user_username = f"@{message.forward_from.username}" if message.forward_from.username else ""
+            user_info = f"{user_name} {user_username}".strip() or target_telegram_id
+        else:
+            user_info = target_telegram_id
+        
+        await message.answer(
+            f"<b>Доступ предоставлен</b>\n\n"
+            f"Пользователю <code>{target_telegram_id}</code> предоставлен доступ к коллекции.\n\n"
+            f"Пользователь: {user_info}\n\n"
+            f"<i>Примечание: Если пользователь еще не взаимодействовал с ботом, он был автоматически создан в системе.</i>",
+            parse_mode="HTML"
+        )
+    else:
+        await message.answer(
+            "<b>Ошибка</b>\n\n"
+            "Не удалось предоставить доступ. Возможно:\n"
+            "• Доступ уже предоставлен\n"
+            "• Произошла ошибка на сервере\n"
+            "• Вы не являетесь владельцем коллекции\n\n"
+            "Проверьте логи сервера для получения подробной информации.",
+            parse_mode="HTML"
+        )
+    
+    await state.clear()
+
+
+@router.callback_query(lambda c: c.data.startswith("access:remove:"))
+async def remove_access(callback: CallbackQuery):
+    """Удалить доступ пользователя"""
+    parts = callback.data.split(":")
+    collection_id = parts[2]
+    target_telegram_id = parts[3]
+    owner_telegram_id = str(callback.from_user.id)
+    
+    await callback.answer("Удаляю доступ...")
+    
+    result = await revoke_collection_access(collection_id, target_telegram_id, owner_telegram_id)
+    
+    if result:
+        await callback.message.answer(
+            f"<b>Доступ отозван</b>\n\n"
+            f"Доступ пользователя <code>{target_telegram_id}</code> отозван.",
+            parse_mode="HTML"
+        )
+    else:
+        await callback.message.answer(
+            "<b>Ошибка</b>\n\n"
+            "Не удалось отозвать доступ.",
+            parse_mode="HTML"
+        )
+
+
+@router.callback_query(lambda c: c.data.startswith("collection:edit:"))
+async def edit_collection_prompt(callback: CallbackQuery, state: FSMContext):
+    """Запросить данные для редактирования коллекции"""
+    collection_id = callback.data.split(":")[2]
+    telegram_id = str(callback.from_user.id)
+    
+    collection_info = await get_collection_info(collection_id, telegram_id)
+    if not collection_info:
+        await callback.message.answer(
+            "<b>Ошибка</b>\n\nНе удалось загрузить информацию о коллекции.",
+            parse_mode="HTML"
+        )
+        await callback.answer()
+        return
+    
+    await state.update_data(collection_id=collection_id)
+    await state.set_state(CollectionEditStates.waiting_for_name)
+    
+    await callback.message.answer(
+        "<b>Редактирование коллекции</b>\n\n"
+        "Отправьте новое название коллекции или /skip чтобы оставить текущее.\n\n"
+        f"Текущее название: <b>{collection_info.get('name', 'Без названия')}</b>",
+        parse_mode="HTML"
+    )
+    await callback.answer()
+
+
+@router.message(StateFilter(CollectionEditStates.waiting_for_name))
+async def process_edit_collection_name(message: Message, state: FSMContext):
+    """Обработать новое название коллекции"""
+    telegram_id = str(message.from_user.id)
+    data = await state.get_data()
+    collection_id = data.get("collection_id")
+    
+    if message.text and message.text.strip() == "/skip":
+        new_name = None
+    else:
+        new_name = message.text.strip() if message.text else None
+    
+    await state.update_data(name=new_name)
+    await state.set_state(CollectionEditStates.waiting_for_description)
+    
+    collection_info = await get_collection_info(collection_id, telegram_id)
+    current_description = collection_info.get("description", "") if collection_info else ""
+    
+    await message.answer(
+        "<b>Описание коллекции</b>\n\n"
+        "Отправьте новое описание коллекции или /skip чтобы оставить текущее.\n\n"
+        f"Текущее описание: <i>{current_description[:100] if current_description else 'Нет описания'}...</i>",
+        parse_mode="HTML"
+    )
+
+
+@router.message(StateFilter(CollectionEditStates.waiting_for_description))
+async def process_edit_collection_description(message: Message, state: FSMContext):
+    """Обработать новое описание коллекции"""
+    telegram_id = str(message.from_user.id)
+    data = await state.get_data()
+    collection_id = data.get("collection_id")
+    name = data.get("name")
+    
+    if message.text and message.text.strip() == "/skip":
+        new_description = None
+    else:
+        new_description = message.text.strip() if message.text else None
+    
+    try:
+        update_data = {}
+        if name:
+            update_data["name"] = name
+        if new_description:
+            update_data["description"] = new_description
+        
+        async with aiohttp.ClientSession() as session:
+            async with session.put(
+                f"{settings.BACKEND_URL}/collections/{collection_id}",
+                json=update_data,
+                headers={"X-Telegram-ID": telegram_id}
+            ) as response:
+                if response.status == 200:
+                    await message.answer(
+                        "<b>Коллекция обновлена</b>\n\n"
+                        "Изменения сохранены.",
+                        parse_mode="HTML"
+                    )
+                else:
+                    error_text = await response.text()
+                    await message.answer(
+                        f"<b>Ошибка</b>\n\n"
+                        f"Не удалось обновить коллекцию: {error_text}",
+                        parse_mode="HTML"
+                    )
+    except Exception as e:
+        await message.answer(
+            f"<b>Ошибка</b>\n\n"
+            f"Произошла ошибка: {str(e)}",
+            parse_mode="HTML"
+        )
+    
+    await state.clear()
+
+
+@router.callback_query(lambda c: c.data == "collections:list")
+async def back_to_collections(callback: CallbackQuery):
+    """Вернуться к списку коллекций"""
+    telegram_id = str(callback.from_user.id)
+    collections = await get_user_collections(telegram_id)
+    
+    if not collections:
+        await callback.message.answer(
+            "<b>У вас пока нет коллекций</b>\n\n"
+            "Обратитесь к администратору для создания коллекций и добавления документов.",
+            parse_mode="HTML"
+        )
+        return
+    
+    response = "<b>Ваши коллекции документов:</b>\n\n"
+    keyboard_buttons = []
+    
+    for i, collection in enumerate(collections[:10], 1):
+        name = collection.get("name", "Без названия")
+        description = collection.get("description", "")
+        collection_id = collection.get("collection_id")
+        
+        response += f"{i}. <b>{name}</b>\n"
+        if description:
+            response += f"   <i>{description[:50]}...</i>\n"
+        response += f"   ID: <code>{collection_id}</code>\n\n"
+        
+        keyboard_buttons.append([
+            InlineKeyboardButton(
+                text=f"{name}",
+                callback_data=f"collection:{collection_id}"
+            )
+        ])
+    
+    keyboard = InlineKeyboardMarkup(inline_keyboard=keyboard_buttons)
+    response += "<i>Нажмите на коллекцию, чтобы посмотреть документы</i>"
+    
+    await callback.message.answer(response, parse_mode="HTML", reply_markup=keyboard)
 
 

tg_bot/infrastructure/telegram/handlers/document_handler.py

@@ -0,0 +1,381 @@
+"""
+Обработчики для работы с документами
+"""
+from aiogram import Router, F
+from aiogram.types import Message, InlineKeyboardMarkup, InlineKeyboardButton, CallbackQuery
+from aiogram.filters import StateFilter
+from aiogram.fsm.context import FSMContext
+import aiohttp
+from tg_bot.config.settings import settings
+from tg_bot.infrastructure.telegram.states.collection_states import (
+    DocumentEditStates,
+    DocumentUploadStates
+)
+
+router = Router()
+
+
+async def get_document_info(document_id: str, telegram_id: str):
+    """Получить информацию о документе"""
+    try:
+        async with aiohttp.ClientSession() as session:
+            async with session.get(
+                f"{settings.BACKEND_URL}/documents/{document_id}",
+                headers={"X-Telegram-ID": telegram_id}
+            ) as response:
+                if response.status == 200:
+                    return await response.json()
+                return None
+    except Exception as e:
+        print(f"Error getting document info: {e}")
+        return None
+
+
+async def delete_document(document_id: str, telegram_id: str):
+    """Удалить документ"""
+    try:
+        async with aiohttp.ClientSession() as session:
+            async with session.delete(
+                f"{settings.BACKEND_URL}/documents/{document_id}",
+                headers={"X-Telegram-ID": telegram_id}
+            ) as response:
+                return response.status == 204
+    except Exception as e:
+        print(f"Error deleting document: {e}")
+        return False
+
+
+async def update_document(document_id: str, telegram_id: str, title: str = None, content: str = None):
+    """Обновить документ"""
+    try:
+        update_data = {}
+        if title:
+            update_data["title"] = title
+        if content:
+            update_data["content"] = content
+        
+        async with aiohttp.ClientSession() as session:
+            async with session.put(
+                f"{settings.BACKEND_URL}/documents/{document_id}",
+                json=update_data,
+                headers={"X-Telegram-ID": telegram_id}
+            ) as response:
+                if response.status == 200:
+                    return await response.json()
+                return None
+    except Exception as e:
+        print(f"Error updating document: {e}")
+        return None
+
+
+async def upload_document_to_collection(collection_id: str, file_data: bytes, filename: str, telegram_id: str):
+    """Загрузить документ в коллекцию"""
+    try:
+        async with aiohttp.ClientSession() as session:
+            form_data = aiohttp.FormData()
+            form_data.add_field('file', file_data, filename=filename, content_type='application/octet-stream')
+            
+            async with session.post(
+                f"{settings.BACKEND_URL}/documents/upload?collection_id={collection_id}",
+                data=form_data,
+                headers={"X-Telegram-ID": telegram_id}
+            ) as response:
+                if response.status == 201:
+                    return await response.json()
+                else:
+                    error_text = await response.text()
+                    print(f"Upload error: {response.status} - {error_text}")
+                return None
+    except Exception as e:
+        print(f"Error uploading document: {e}")
+        return None
+
+
+@router.callback_query(lambda c: c.data.startswith("document:view:"))
+async def view_document(callback: CallbackQuery):
+    """Просмотр документа"""
+    document_id = callback.data.split(":")[2]
+    telegram_id = str(callback.from_user.id)
+    
+    await callback.answer("Загружаю документ...")
+    
+    document = await get_document_info(document_id, telegram_id)
+    if not document:
+        await callback.message.answer(
+            "<b>Ошибка</b>\n\nНе удалось загрузить документ.",
+            parse_mode="HTML"
+        )
+        return
+    
+    title = document.get("title", "Без названия")
+    content = document.get("content", "")
+    collection_id = document.get("collection_id")
+    
+    content_preview = content[:2000] if len(content) > 2000 else content
+    has_more = len(content) > 2000
+    
+    response = f"<b>{title}</b>\n\n"
+    response += f"<i>{content_preview}</i>"
+    if has_more:
+        response += "\n\n<i>...</i>"
+    
+    try:
+        async with aiohttp.ClientSession() as session:
+            async with session.get(
+                f"{settings.BACKEND_URL}/collections/{collection_id}",
+                headers={"X-Telegram-ID": telegram_id}
+            ) as response_collection:
+                if response_collection.status == 200:
+                    collection_info = await response_collection.json()
+                    owner_id = collection_info.get("owner_id")
+                    
+                    async with session.get(
+                        f"{settings.BACKEND_URL}/users/telegram/{telegram_id}"
+                    ) as response_user:
+                        if response_user.status == 200:
+                            user_info = await response_user.json()
+                            current_user_id = user_info.get("user_id")
+                            is_owner = str(owner_id) == str(current_user_id)
+                            
+                            keyboard_buttons = []
+                            if is_owner:
+                                keyboard_buttons = [
+                                    [InlineKeyboardButton(text="Редактировать", callback_data=f"document:edit:{document_id}")],
+                                    [InlineKeyboardButton(text="Удалить", callback_data=f"document:delete:{document_id}")],
+                                    [InlineKeyboardButton(text="Назад", callback_data=f"collection:documents:{collection_id}")]
+                                ]
+                            else:
+                                keyboard_buttons = [
+                                    [InlineKeyboardButton(text="Редактировать", callback_data=f"document:edit:{document_id}")],
+                                    [InlineKeyboardButton(text="Назад", callback_data=f"collection:documents:{collection_id}")]
+                                ]
+                            
+                            keyboard = InlineKeyboardMarkup(inline_keyboard=keyboard_buttons)
+                            await callback.message.answer(response, parse_mode="HTML", reply_markup=keyboard)
+                            return
+    except:
+        pass
+    
+    keyboard = InlineKeyboardMarkup(inline_keyboard=[[
+        InlineKeyboardButton(text="Назад", callback_data=f"collection:documents:{collection_id}")
+    ]])
+    await callback.message.answer(response, parse_mode="HTML", reply_markup=keyboard)
+
+
+@router.callback_query(lambda c: c.data.startswith("document:edit:"))
+async def edit_document_prompt(callback: CallbackQuery, state: FSMContext):
+    """Запросить данные для редактирования документа"""
+    document_id = callback.data.split(":")[2]
+    telegram_id = str(callback.from_user.id)
+    
+    document = await get_document_info(document_id, telegram_id)
+    if not document:
+        await callback.message.answer(
+            "<b>Ошибка</b>\n\nНе удалось загрузить документ.",
+            parse_mode="HTML"
+        )
+        await callback.answer()
+        return
+    
+    await state.update_data(document_id=document_id)
+    await state.set_state(DocumentEditStates.waiting_for_title)
+    
+    await callback.message.answer(
+        "<b>Редактирование документа</b>\n\n"
+        "Отправьте новое название документа или /skip чтобы оставить текущее.\n\n"
+        f"Текущее название: <b>{document.get('title', 'Без названия')}</b>",
+        parse_mode="HTML"
+    )
+    await callback.answer()
+
+
+@router.message(StateFilter(DocumentEditStates.waiting_for_title))
+async def process_edit_title(message: Message, state: FSMContext):
+    """Обработать новое название документа"""
+    telegram_id = str(message.from_user.id)
+    data = await state.get_data()
+    document_id = data.get("document_id")
+    
+    if message.text and message.text.strip() == "/skip":
+        new_title = None
+    else:
+        new_title = message.text.strip() if message.text else None
+    
+    await state.update_data(title=new_title)
+    await state.set_state(DocumentEditStates.waiting_for_content)
+    
+    await message.answer(
+        "<b>Содержимое документа</b>\n\n"
+        "Отправьте новое содержимое документа или /skip чтобы оставить текущее.",
+        parse_mode="HTML"
+    )
+
+
+@router.message(StateFilter(DocumentEditStates.waiting_for_content))
+async def process_edit_content(message: Message, state: FSMContext):
+    """Обработать новое содержимое документа"""
+    telegram_id = str(message.from_user.id)
+    data = await state.get_data()
+    document_id = data.get("document_id")
+    title = data.get("title")
+    
+    if message.text and message.text.strip() == "/skip":
+        new_content = None
+    else:
+        new_content = message.text.strip() if message.text else None
+    
+    result = await update_document(document_id, telegram_id, title=title, content=new_content)
+    
+    if result:
+        await message.answer(
+            "<b>Документ обновлен</b>\n\n"
+            "Изменения сохранены.",
+            parse_mode="HTML"
+        )
+    else:
+        await message.answer(
+            "<b>Ошибка</b>\n\n"
+            "Не удалось обновить документ.",
+            parse_mode="HTML"
+        )
+    
+    await state.clear()
+
+
+@router.callback_query(lambda c: c.data.startswith("document:delete:"))
+async def delete_document_confirm(callback: CallbackQuery):
+    """Подтверждение удаления документа"""
+    document_id = callback.data.split(":")[2]
+    
+    keyboard = InlineKeyboardMarkup(inline_keyboard=[
+        [InlineKeyboardButton(text="Да, удалить", callback_data=f"document:delete_confirm:{document_id}")],
+        [InlineKeyboardButton(text="Отмена", callback_data=f"document:view:{document_id}")]
+    ])
+    
+    await callback.message.answer(
+        "<b>Подтверждение удаления</b>\n\n"
+        "Вы уверены, что хотите удалить этот документ?",
+        parse_mode="HTML",
+        reply_markup=keyboard
+    )
+    await callback.answer()
+
+
+@router.callback_query(lambda c: c.data.startswith("document:delete_confirm:"))
+async def delete_document_execute(callback: CallbackQuery):
+    """Выполнить удаление документа"""
+    document_id = callback.data.split(":")[2]
+    telegram_id = str(callback.from_user.id)
+    
+    await callback.answer("Удаляю документ...")
+    
+    # Получаем информацию о документе для возврата к коллекции
+    document = await get_document_info(document_id, telegram_id)
+    collection_id = document.get("collection_id") if document else None
+    
+    result = await delete_document(document_id, telegram_id)
+    
+    if result:
+        await callback.message.answer(
+            "<b>Документ удален</b>",
+            parse_mode="HTML"
+        )
+    else:
+        await callback.message.answer(
+            "<b>Ошибка</b>\n\n"
+            "Не удалось удалить документ.",
+            parse_mode="HTML"
+        )
+
+
+@router.callback_query(lambda c: c.data.startswith("document:upload:"))
+async def upload_document_prompt(callback: CallbackQuery, state: FSMContext):
+    """Запросить файл для загрузки"""
+    collection_id = callback.data.split(":")[2]
+    telegram_id = str(callback.from_user.id)
+    
+    await state.update_data(collection_id=collection_id)
+    await state.set_state(DocumentUploadStates.waiting_for_file)
+    
+    await callback.message.answer(
+        "<b>Загрузка документа</b>\n\n"
+        "Отправьте файл (PDF, PNG, JPG, JPEG, TIFF, BMP).\n\n"
+        "Поддерживаемые форматы:\n"
+        "• PDF\n"
+        "• Изображения: PNG, JPG, JPEG, TIFF, BMP",
+        parse_mode="HTML"
+    )
+    await callback.answer()
+
+
+@router.message(StateFilter(DocumentUploadStates.waiting_for_file), F.document | F.photo)
+async def process_upload_document(message: Message, state: FSMContext):
+    """Обработать загрузку документа"""
+    telegram_id = str(message.from_user.id)
+    data = await state.get_data()
+    collection_id = data.get("collection_id")
+    
+    if not collection_id:
+        await message.answer("Ошибка: не указана коллекция")
+        await state.clear()
+        return
+    
+    file_id = None
+    filename = None
+    
+    if message.document:
+        file_id = message.document.file_id
+        filename = message.document.file_name or "document.pdf"
+        
+        supported_extensions = ['.pdf', '.png', '.jpg', '.jpeg', '.tiff', '.bmp']
+        file_ext = filename.lower().rsplit('.', 1)[-1] if '.' in filename else ''
+        if f'.{file_ext}' not in supported_extensions:
+            await message.answer(
+                "<b>Ошибка</b>\n\n"
+                f"Неподдерживаемый формат файла: {file_ext}\n\n"
+                "Поддерживаются: PDF, PNG, JPG, JPEG, TIFF, BMP",
+                parse_mode="HTML"
+            )
+            await state.clear()
+            return
+    elif message.photo:
+        file_id = message.photo[-1].file_id
+        filename = "photo.jpg"
+    else:
+        await message.answer(
+            "<b>Ошибка</b>\n\n"
+            "Пожалуйста, отправьте файл (PDF или изображение).",
+            parse_mode="HTML"
+        )
+        await state.clear()
+        return
+    
+    try:
+        file = await message.bot.get_file(file_id)
+        file_data = await message.bot.download_file(file.file_path)
+        file_bytes = file_data.read()
+        
+        result = await upload_document_to_collection(collection_id, file_bytes, filename, telegram_id)
+        
+        if result:
+            await message.answer(
+                f"<b>Документ загружен</b>\n\n"
+                f"Название: <b>{result.get('title', filename)}</b>",
+                parse_mode="HTML"
+            )
+        else:
+            await message.answer(
+                "<b>Ошибка</b>\n\n"
+                "Не удалось загрузить документ.",
+                parse_mode="HTML"
+            )
+    except Exception as e:
+        print(f"Error uploading document: {e}")
+        await message.answer(
+            "<b>Ошибка</b>\n\n"
+            f"Произошла ошибка при загрузке: {str(e)}",
+            parse_mode="HTML"
+        )
+    
+    await state.clear()
+

tg_bot/infrastructure/telegram/states/collection_states.py

@@ -0,0 +1,27 @@
+"""
+FSM состояния для работы с коллекциями
+"""
+from aiogram.fsm.state import State, StatesGroup
+
+
+class CollectionAccessStates(StatesGroup):
+    """Состояния для управления доступом к коллекции"""
+    waiting_for_username = State()  
+
+
+class CollectionEditStates(StatesGroup):
+    """Состояния для редактирования коллекции"""
+    waiting_for_name = State()  
+    waiting_for_description = State()  
+
+
+class DocumentEditStates(StatesGroup):
+    """Состояния для редактирования документа"""
+    waiting_for_title = State()  
+    waiting_for_content = State()  
+
+
+class DocumentUploadStates(StatesGroup):
+    """Состояния для загрузки документа"""
+    waiting_for_file = State() 
+