Add websckets connection

backend/app/auth/router.py

@@ -46,13 +46,15 @@ async def login(response: Response, credentials: OAuth2PasswordRequestForm = Dep
         'access_token',
         token.access_token,
         max_age=settings.ACCESS_TOKEN_EXPIRE_MINUTES * 60,
-        httponly=True
+        httponly=True,
+        samesite='lax'
     )
     response.set_cookie(
         'refresh_token',
         str(token.refresh_token),
         max_age=settings.REFRESH_TOKEN_EXPIRE_DAYS * 30 * 24 * 60,
-        httponly=True
+        httponly=True,
+        samesite='lax'
     )
     return token
 

backend/app/chats/dao.py

@@ -0,0 +1,100 @@
+import uuid
+from typing import Optional, List
+
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import func, select, and_
+
+from app.core.dao import BaseDAO
+from app.chats.models import ChatModel, MessageModel, ParticipantModel
+from app.chats.schemas import ChatCreateDB, MessageCreateDB, ParticipantCreateDB
+from app.chats.schemas import ChatUpdateDB, MessageUpdateDB, ParticipantUpdateDB
+from app.users.models import UserModel
+
+
+class ChatDAO(BaseDAO[ChatModel, ChatCreateDB, ChatUpdateDB]):
+    model = ChatModel
+
+    @classmethod
+    async def get_chat_id(cls, session: AsyncSession, user_a_id: int, user_b_id: int) -> Optional[uuid.UUID]:
+        stmt = (
+            select(ParticipantModel.chat_id)
+            .join(ChatModel)
+            .where(ChatModel.is_group == False)
+            .where(ParticipantModel.user_id.in_([user_a_id, user_b_id]))
+            .group_by(ParticipantModel.chat_id)
+            .having(func.count(ParticipantModel.chat_id) == 2)
+        )
+        result = await session.execute(stmt)
+        return result.scalar_one_or_none()
+
+
+    @classmethod
+    async def get_chats(cls, session: AsyncSession, user_id: int, offset: int = 0, limit: int = 10):
+
+        stmt = (
+            select(
+                ChatModel.id.label("chat_id"),
+                ChatModel.last_message,
+                UserModel.id.label("user_id"),
+                UserModel.avatar_url,
+                UserModel.display_name
+            )
+            .join(ParticipantModel, ParticipantModel.chat_id==ChatModel.id)
+            .join(UserModel, UserModel.id==ParticipantModel.user_id)
+            .where(
+                ChatModel.id.in_(
+                    select(ParticipantModel.chat_id).where(ParticipantModel.user_id==user_id)
+                )
+            )
+            .where(UserModel.id!=user_id)
+            .where(ChatModel.is_group==False)
+            .order_by(ChatModel.updated_at.desc())
+            .limit(limit)
+            .offset(offset)
+        )
+        result = await session.execute(stmt)
+        return result.mappings().all()
+
+
+    @classmethod
+    async def get_chat_with_participant(cls, session: AsyncSession, chat_id: uuid.UUID, user_id: int):
+        stmt = (
+            select(ChatModel, ParticipantModel.id.label("participant_id"))
+            .outerjoin(
+                ParticipantModel,
+                and_(
+                    ParticipantModel.chat_id==ChatModel.id,
+                    ParticipantModel.user_id==user_id
+                )
+            )
+            .where(ChatModel.id==chat_id)
+        )
+        result = await session.execute(stmt)
+        return result.first()
+
+
+class MessageDAO(BaseDAO[MessageModel, MessageCreateDB, MessageUpdateDB]):
+    model = MessageModel
+
+    @classmethod
+    async def find_all_asc(
+            cls,
+            session: AsyncSession,
+            offset: Optional[int],
+            limit: Optional[int],
+            *filter,
+            **filter_by
+    ) -> List[MessageModel]:
+        stmt = select(MessageModel).filter(*filter).filter_by(**filter_by).order_by(MessageModel.created_at.asc())
+
+        if offset is not None:
+            stmt = stmt.offset(offset)
+        if limit is not None:
+            stmt = stmt.limit(limit)
+
+        result = await session.execute(stmt)
+        return result.scalars().all()
+
+
+class ParticipantDAO(BaseDAO[ParticipantModel, ParticipantCreateDB, ParticipantUpdateDB]):
+    model = ParticipantModel

backend/app/chats/models.py

@@ -1,5 +1,7 @@
+import uuid
+
 from sqlalchemy.orm import Mapped, mapped_column
-from sqlalchemy import ForeignKey
+from sqlalchemy import ForeignKey, UUID, UniqueConstraint
 
 from app.core.database import Base
 
@@ -7,7 +9,28 @@ from app.core.database import Base
 class MessageModel(Base):
     __tablename__ = "message"
 
-    id: Mapped[int] = mapped_column(primary_key=True, index=True)
+    id: Mapped[uuid.UUID] = mapped_column(UUID, primary_key=True, index=True, default=uuid.uuid4)
-    sender_id: Mapped[int] = mapped_column(ForeignKey("user.id", ondelete="CASCADE"), index=True)
+    sender_id: Mapped[int] = mapped_column(ForeignKey("user.id", ondelete="SET NULL"), index=True)
-    recipient_id: Mapped[int] = mapped_column(ForeignKey("user.id", ondelete="CASCADE"), index=True)
+    chat_id: Mapped[uuid.UUID] = mapped_column(UUID, ForeignKey("chat.id", ondelete="CASCADE"), index=True)
-    content: Mapped[str] = mapped_column()
+    content: Mapped[str] = mapped_column()
+    is_read: Mapped[bool] = mapped_column(default=False)
+
+
+class ChatModel(Base):
+    __tablename__ = "chat"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID, primary_key=True, index=True, default=uuid.uuid4)
+    is_group: Mapped[bool] = mapped_column(default=False)
+    last_message: Mapped[str] = mapped_column(nullable=True)
+
+
+class ParticipantModel(Base):
+    __tablename__ = "Participant"
+
+    id: Mapped[uuid.UUID] = mapped_column(UUID, primary_key=True, index=True, default=uuid.uuid4)
+    chat_id: Mapped[uuid.UUID] = mapped_column(UUID, ForeignKey("chat.id", ondelete="CASCADE"), index=True)
+    user_id: Mapped[int] = mapped_column(ForeignKey("user.id", ondelete="CASCADE"), index=True)
+
+    __table_args__ = (
+        UniqueConstraint("chat_id", "user_id", name="uq_chat_user"),
+    )

backend/app/chats/router.py

@@ -0,0 +1,44 @@
+import uuid
+from typing import List
+
+from fastapi import APIRouter, Depends, WebSocket, WebSocketDisconnect
+
+from app.chats.service import ChatService
+from app.auth.dependencies import get_current_verified_user
+from app.users.models import UserModel
+from app.chats.schemas import Chat, MessageCreate, Message
+
+router = APIRouter(prefix="/chats", tags=["chats"])
+
+@router.get("/")
+async def get_chats(
+        offset: int = 0,
+        limit: int = 10,
+        user: UserModel = Depends(get_current_verified_user)
+) -> List[Chat]:
+    return await ChatService.get_chats(user, offset, limit)
+
+@router.get("/{chat_id}")
+async def get_chat(
+        chat_id: uuid.UUID,
+        offset: int = 0,
+        limit: int = 10,
+        user: UserModel = Depends(get_current_verified_user)
+) -> List[Message]:
+    return await ChatService.get_chat(chat_id, user, offset, limit)
+
+@router.post("/message")
+async def send_message(message: MessageCreate, user: UserModel = Depends(get_current_verified_user)) -> Message:
+    return await ChatService.send_message(user, message)
+
+
+@router.websocket("/ws")
+async def websocket_endpoint(ws: WebSocket, user: UserModel = Depends(get_current_verified_user)):
+    await ws.accept()
+    await ChatService.save_websocket(user, ws)
+
+    try:
+        while True:
+            await ws.receive_text()
+    except WebSocketDisconnect:
+        await ChatService.delete_websocket(user)

backend/app/chats/schemas.py

@@ -0,0 +1,67 @@
+from datetime import datetime
+from typing import Optional
+import uuid
+
+from pydantic import BaseModel
+
+
+class MessageCreate(BaseModel):
+    recipient_id: Optional[int] = None
+    chat_id: Optional[uuid.UUID] = None
+    content: str
+
+
+class MessageUpdate(BaseModel):
+    id: uuid.UUID
+    content: str
+
+
+class MessageCreateDB(BaseModel):
+    sender_id: Optional[int]
+    chat_id: Optional[uuid.UUID]
+    content: Optional[str]
+    is_read: Optional[bool] = False
+
+
+class MessageUpdateDB(BaseModel):
+    content: Optional[str]
+
+
+class Message(BaseModel):
+    id: uuid.UUID
+    sender_id: int
+    chat_id: uuid.UUID
+    content: str
+    created_at: datetime
+    updated_at: datetime
+
+
+class ChatBase(BaseModel):
+    is_group: Optional[bool] = False
+    last_message: Optional[str] = None
+
+
+class ChatCreateDB(ChatBase):
+    pass
+
+
+class ChatUpdateDB(ChatBase):
+    pass
+
+
+class Chat(BaseModel):
+    chat_id: uuid.UUID
+    user_id: int
+    last_message: Optional[str]
+    avatar_url: Optional[str]
+    display_name: str
+
+
+class ParticipantCreateDB(BaseModel):
+    chat_id: Optional[uuid.UUID]
+    user_id: Optional[int]
+
+
+class ParticipantUpdateDB(BaseModel):
+    chat_id: Optional[uuid.UUID]
+    user_id: Optional[int]

backend/app/chats/service.py

@@ -0,0 +1,183 @@
+import json
+import uuid
+from typing import List, Dict
+import logging
+
+from fastapi import HTTPException, status, WebSocket
+from sqlalchemy import and_
+
+from app.core.database import async_session_maker
+from app.chats.dao import ChatDAO, MessageDAO, ParticipantDAO
+from app.chats.models import ChatModel, MessageModel, ParticipantModel
+from app.chats.schemas import Chat, MessageCreate, MessageCreateDB, ChatCreateDB, ParticipantCreateDB, Message
+from app.users.models import UserModel
+from app.core.redis import get_redis
+
+log = logging.getLogger(__name__)
+
+
+class ChatService:
+    active_connections: Dict[str, WebSocket] = {}
+
+    @classmethod
+    async def get_chats(cls, user: UserModel, offset: int, limit: int) -> List[Chat]:
+        log.debug("Getting chats", extra={"user_id": user.id, "offset": offset, "limit": limit})
+        async with async_session_maker() as session:
+            chats = await ChatDAO.get_chats(session, user.id, offset, limit)
+            log.debug("Retrieved chats", extra={"user_id": user.id, "count": len(chats)})
+            return chats
+
+
+    @classmethod
+    async def send_message(cls, sender: UserModel, message: MessageCreate) -> Message:
+        log.info("Sending message", extra={"sender_id": sender.id, "chat_id": message.chat_id, "recipient_id": message.recipient_id})
+        async with async_session_maker() as session:
+            target_chat_id = message.chat_id
+
+            if target_chat_id is None:
+                if message.recipient_id is None:
+                    log.warning("Message send failed: missing chat_id and recipient_id", extra={"sender_id": sender.id})
+                    raise HTTPException(status.HTTP_400_BAD_REQUEST, "Need chat_id or user_id")
+
+                target_chat_id = await ChatDAO.get_chat_id(session, sender.id, message.recipient_id)
+
+                if target_chat_id is None:
+                    log.info("Creating new chat", extra={"sender_id": sender.id, "recipient_id": message.recipient_id})
+                    target_chat_db = await ChatDAO.add(
+                        session,
+                        obj_in=ChatCreateDB(
+                            is_group=False,
+                            last_message=message.content
+                        )
+                    )
+                    target_chat_id: uuid.UUID = target_chat_db.id
+
+                    await ParticipantDAO.add(
+                        session,
+                        obj_in=ParticipantCreateDB(
+                            user_id=sender.id,
+                            chat_id=target_chat_id
+                        )
+                    )
+                    await ParticipantDAO.add(
+                        session,
+                        obj_in=ParticipantCreateDB(
+                            user_id=message.recipient_id,
+                            chat_id=target_chat_id
+                        )
+                    )
+                    log.info("Created new chat", extra={"chat_id": target_chat_id, "sender_id": sender.id, "recipient_id": message.recipient_id})
+
+
+            members = await ParticipantDAO.find_all(
+                session,
+                None,
+                None,
+                ParticipantModel.chat_id==target_chat_id
+                )
+
+            members_ids = [member.user_id for member in members]
+
+            if not sender.id in members_ids :
+                log.warning("Access denied to chat", extra={"user_id": sender.id, "chat_id": message.chat_id})
+                raise HTTPException(status.HTTP_403_FORBIDDEN, detail="Access denied")
+
+
+            message_db = await MessageDAO.add(
+                session,
+                obj_in=MessageCreateDB(
+                    sender_id=sender.id,
+                    chat_id=target_chat_id,
+                    content=message.content
+                )
+            )
+
+            await cls._send_ws_message(members_ids, Message(
+                id=message_db.id,
+                sender_id=message_db.sender_id,
+                chat_id=message_db.chat_id,
+                content=message_db.content,
+                created_at=message_db.created_at,
+                updated_at=message_db.updated_at
+            ))
+
+            await ChatDAO.update(
+                session,
+                ChatModel.id==target_chat_id,
+                obj_in={"last_message": message.content}
+            )
+            await session.commit()
+            log.info("Message sent", extra={"message_id": message_db.id, "sender_id": sender.id, "chat_id": target_chat_id})
+            return message_db
+
+
+    @classmethod
+    async def get_chat(cls, chat_id: uuid.UUID, user: UserModel, offset: int = 0, limit: int = 0) -> List[Message]:
+        log.debug("Getting chat messages", extra={"user_id": user.id, "chat_id": chat_id, "offset": offset, "limit": limit})
+        async with async_session_maker() as session:
+            chat_exist = await ChatDAO.get_chat_with_participant(session, chat_id, user.id)
+
+            if chat_exist is None:
+                log.warning("Chat not found", extra={"user_id": user.id, "chat_id": chat_id})
+                raise HTTPException(status.HTTP_404_NOT_FOUND, "Chat not found")
+            if chat_exist.participant_id is None:
+                log.warning("Access denied to chat", extra={"user_id": user.id, "chat_id": chat_id})
+                raise HTTPException(status.HTTP_403_FORBIDDEN, detail="Access denied")
+
+            messages = await MessageDAO.find_all_asc(
+                session,
+                offset,
+                limit,
+                MessageModel.chat_id==chat_id
+            )
+
+            log.debug("Retrieved chat messages", extra={"user_id": user.id, "chat_id": chat_id, "count": len(messages)})
+            return messages
+
+
+    @classmethod
+    async def save_websocket(cls, user: UserModel, ws: WebSocket):
+        cls.active_connections[str(user.id)] = ws
+        log.info("WebSocket connection saved", extra={"user_id": user.id, "active_connections": len(cls.active_connections) + 1})
+
+
+
+    @classmethod
+    async def delete_websocket(cls, user: UserModel):
+        cls.active_connections.pop(str(user.id))
+        log.info("WebSocket connection deleted", extra={"user_id": user.id, "active_connections": len(cls.active_connections) - 1})
+
+
+    @classmethod
+    async def message_listener(cls):
+        redis_client = await get_redis()
+
+        pubsub = redis_client.pubsub()
+
+        await pubsub.subscribe("messenger_updates")
+
+        async for message in pubsub.listen():
+            log.debug(f"Received message from Redis: {message}")
+            if message["type"] == "message":
+                payload = json.loads(message["data"])
+                user_id = payload["user_id"]
+
+                if user_id in cls.active_connections:
+                    ws = cls.active_connections[user_id]
+                    await ws.send_json(payload["message"])
+                    log.info(f"Message sent to user {user_id} via WebSocket")
+                else:
+                    log.debug(f"User {user_id} not connected")
+
+
+
+    @classmethod
+    async def _send_ws_message(cls, user_ids: List[int], message: Message):
+        redis_client = await get_redis()
+        for user_id in user_ids:
+            payload = {
+                "user_id": str(user_id),
+                "message": message.model_dump(mode='json')
+            }
+            await redis_client.publish("messenger_updates", json.dumps(payload))
+            log.debug(f"Published message for user_id: {user_id}")

backend/app/main.py

@@ -3,6 +3,7 @@ from contextlib import asynccontextmanager
 import uvicorn
 import logging
 import uuid
+import asyncio
 
 from fastapi import FastAPI, APIRouter, Request, Response
 from fastapi.middleware.cors import CORSMiddleware
@@ -10,6 +11,8 @@ from fastapi.middleware.cors import CORSMiddleware
 from app.core.redis import close_redis, init_redis
 from app.users.router import router as user_router
 from app.auth.router import router as auth_router
+from app.chats.router import router as chat_router
+from app.chats.service import ChatService
 from app.core.log_config import set_logging
 from app.core.config import settings
 
@@ -21,14 +24,19 @@ log = logging.getLogger(__name__)
 async def lifespan(app: FastAPI):
     await init_redis()
     log.info("Redis connected")
+    task_send_message = asyncio.create_task(ChatService.message_listener())
+    log.info("Message sender started")
     yield
     await close_redis()
     log.info("Redis disconnected")
+    task_send_message.cancel()
+    log.info("Message sender stopped")
 
 
 api_router = APIRouter(prefix="/api/v1")
 api_router.include_router(user_router)
 api_router.include_router(auth_router)
+api_router.include_router(chat_router)
 
 @api_router.get("/health")
 async def test_health():

backend/app/migration/env.py

@@ -9,6 +9,8 @@ from alembic import context
 
 from app.core.database import Base
 from app.core.config import settings
+from app.users.models import UserModel
+from app.chats.models import MessageModel, ChatModel, ParticipantModel
 
 # this is the Alembic Config object, which provides
 # access to the values within the .ini file in use.

backend/app/migration/versions/0d3f7039ba77_create_tables.py

@@ -0,0 +1,101 @@
+"""Create tables
+
+Revision ID: 0d3f7039ba77
+Revises: 7ad624ae1699
+Create Date: 2026-01-12 15:51:43.453822
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '0d3f7039ba77'
+down_revision: Union[str, Sequence[str], None] = '7ad624ae1699'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('chat',
+    sa.Column('id', sa.UUID(), nullable=False),
+    sa.Column('is_group', sa.Boolean(), nullable=False),
+    sa.Column('last_message', sa.String(), nullable=True),
+    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.PrimaryKeyConstraint('id', name=op.f('chat_pkey'))
+    )
+    op.create_index(op.f('chat_id_idx'), 'chat', ['id'], unique=False)
+    op.create_table('user',
+    sa.Column('id', sa.Integer(), nullable=False),
+    sa.Column('display_name', sa.String(), nullable=False),
+    sa.Column('username', sa.String(), nullable=False),
+    sa.Column('email', sa.String(), nullable=False),
+    sa.Column('birth_day', sa.DATE(), nullable=True),
+    sa.Column('description', sa.String(), nullable=True),
+    sa.Column('avatar_url', sa.String(), nullable=True),
+    sa.Column('is_active', sa.Boolean(), nullable=False),
+    sa.Column('is_verified', sa.Boolean(), nullable=False),
+    sa.Column('is_superuser', sa.Boolean(), nullable=False),
+    sa.Column('hashed_password', sa.String(), nullable=False),
+    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.PrimaryKeyConstraint('id', name=op.f('user_pkey'))
+    )
+    op.create_index(op.f('user_email_idx'), 'user', ['email'], unique=True)
+    op.create_index(op.f('user_id_idx'), 'user', ['id'], unique=False)
+    op.create_index(op.f('user_username_idx'), 'user', ['username'], unique=True)
+    op.create_table('Participant',
+    sa.Column('id', sa.UUID(), nullable=False),
+    sa.Column('chat_id', sa.UUID(), nullable=False),
+    sa.Column('user_id', sa.Integer(), nullable=False),
+    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.ForeignKeyConstraint(['chat_id'], ['chat.id'], name=op.f('Participant_chat_id_fkey'), ondelete='CASCADE'),
+    sa.ForeignKeyConstraint(['user_id'], ['user.id'], name=op.f('Participant_user_id_fkey'), ondelete='CASCADE'),
+    sa.PrimaryKeyConstraint('id', name=op.f('Participant_pkey')),
+    sa.UniqueConstraint('chat_id', 'user_id', name='uq_chat_user')
+    )
+    op.create_index(op.f('Participant_chat_id_idx'), 'Participant', ['chat_id'], unique=False)
+    op.create_index(op.f('Participant_id_idx'), 'Participant', ['id'], unique=False)
+    op.create_index(op.f('Participant_user_id_idx'), 'Participant', ['user_id'], unique=False)
+    op.create_table('message',
+    sa.Column('id', sa.UUID(), nullable=False),
+    sa.Column('sender_id', sa.Integer(), nullable=False),
+    sa.Column('chat_id', sa.UUID(), nullable=False),
+    sa.Column('content', sa.String(), nullable=False),
+    sa.Column('is_read', sa.Boolean(), nullable=False),
+    sa.Column('created_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.Column('updated_at', sa.DateTime(), server_default=sa.text('now()'), nullable=False),
+    sa.ForeignKeyConstraint(['chat_id'], ['chat.id'], name=op.f('message_chat_id_fkey'), ondelete='CASCADE'),
+    sa.ForeignKeyConstraint(['sender_id'], ['user.id'], name=op.f('message_sender_id_fkey'), ondelete='SET NULL'),
+    sa.PrimaryKeyConstraint('id', name=op.f('message_pkey'))
+    )
+    op.create_index(op.f('message_chat_id_idx'), 'message', ['chat_id'], unique=False)
+    op.create_index(op.f('message_id_idx'), 'message', ['id'], unique=False)
+    op.create_index(op.f('message_sender_id_idx'), 'message', ['sender_id'], unique=False)
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('message_sender_id_idx'), table_name='message')
+    op.drop_index(op.f('message_id_idx'), table_name='message')
+    op.drop_index(op.f('message_chat_id_idx'), table_name='message')
+    op.drop_table('message')
+    op.drop_index(op.f('Participant_user_id_idx'), table_name='Participant')
+    op.drop_index(op.f('Participant_id_idx'), table_name='Participant')
+    op.drop_index(op.f('Participant_chat_id_idx'), table_name='Participant')
+    op.drop_table('Participant')
+    op.drop_index(op.f('user_username_idx'), table_name='user')
+    op.drop_index(op.f('user_id_idx'), table_name='user')
+    op.drop_index(op.f('user_email_idx'), table_name='user')
+    op.drop_table('user')
+    op.drop_index(op.f('chat_id_idx'), table_name='chat')
+    op.drop_table('chat')
+    # ### end Alembic commands ###

backend/app/migration/versions/7a5ccb6859fe_edit_chat_tables.py

@@ -0,0 +1,32 @@
+"""EDIT: chat tables
+
+Revision ID: 7a5ccb6859fe
+Revises: fd15ec3ae3fb
+Create Date: 2026-01-12 14:51:11.514074
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '7a5ccb6859fe'
+down_revision: Union[str, Sequence[str], None] = 'fd15ec3ae3fb'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###

backend/app/migration/versions/7ad624ae1699_edit_chat_tables.py

@@ -0,0 +1,32 @@
+"""EDIT: chat tables
+
+Revision ID: 7ad624ae1699
+Revises: 7a5ccb6859fe
+Create Date: 2026-01-12 14:54:04.459361
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+
+
+# revision identifiers, used by Alembic.
+revision: str = '7ad624ae1699'
+down_revision: Union[str, Sequence[str], None] = '7a5ccb6859fe'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    pass
+    # ### end Alembic commands ###

backend/app/migration/versions/fd15ec3ae3fb_add_chat_tables.py

@@ -0,0 +1,53 @@
+"""ADD: chat tables
+
+Revision ID: fd15ec3ae3fb
+Revises: 4d00c9b0516e
+Create Date: 2026-01-11 21:54:51.418126
+
+"""
+from typing import Sequence, Union
+
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+# revision identifiers, used by Alembic.
+revision: str = 'fd15ec3ae3fb'
+down_revision: Union[str, Sequence[str], None] = '4d00c9b0516e'
+branch_labels: Union[str, Sequence[str], None] = None
+depends_on: Union[str, Sequence[str], None] = None
+
+
+def upgrade() -> None:
+    """Upgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_index(op.f('user_email_idx'), table_name='user')
+    op.drop_index(op.f('user_id_idx'), table_name='user')
+    op.drop_index(op.f('user_username_idx'), table_name='user')
+    op.drop_table('user')
+    # ### end Alembic commands ###
+
+
+def downgrade() -> None:
+    """Downgrade schema."""
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.create_table('user',
+    sa.Column('id', sa.INTEGER(), autoincrement=True, nullable=False),
+    sa.Column('display_name', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('username', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('email', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.Column('birth_day', sa.DATE(), autoincrement=False, nullable=True),
+    sa.Column('description', sa.VARCHAR(), autoincrement=False, nullable=True),
+    sa.Column('avatar_url', sa.VARCHAR(), autoincrement=False, nullable=True),
+    sa.Column('is_active', sa.BOOLEAN(), autoincrement=False, nullable=False),
+    sa.Column('is_verified', sa.BOOLEAN(), autoincrement=False, nullable=False),
+    sa.Column('is_superuser', sa.BOOLEAN(), autoincrement=False, nullable=False),
+    sa.Column('created_at', postgresql.TIMESTAMP(), server_default=sa.text('now()'), autoincrement=False, nullable=False),
+    sa.Column('updated_at', postgresql.TIMESTAMP(), server_default=sa.text('now()'), autoincrement=False, nullable=False),
+    sa.Column('hashed_password', sa.VARCHAR(), autoincrement=False, nullable=False),
+    sa.PrimaryKeyConstraint('id', name=op.f('user_pkey'))
+    )
+    op.create_index(op.f('user_username_idx'), 'user', ['username'], unique=True)
+    op.create_index(op.f('user_id_idx'), 'user', ['id'], unique=False)
+    op.create_index(op.f('user_email_idx'), 'user', ['email'], unique=True)
+    # ### end Alembic commands ###

backend/app/users/router.py

@@ -24,6 +24,10 @@ async def get_users(offset: int, limit: int, user: UserModel = Depends(get_curre
     log.info("Getting users list", extra={"offset": offset, "limit": limit})
     return await UserService.get_users_list(offset=offset, limit=limit)
 
+@router.get("/{user_id}")
+async def get_user(user_id: int, user: UserModel = Depends(get_current_verified_user)):
+    return await UserService.get_user(user_id)
+
 @router.put("/me")
 async def update_current_user(update_user: UserUpdate, user: UserModel = Depends(get_current_verified_user)) -> User:
     return await UserService.update_user(user.id, update_user)

backend/app/users/schemas.py

@@ -40,6 +40,7 @@ class User(UserBase):
     is_verified: bool
     is_superuser: bool
 
+
 class UserCreateDB(UserBase):
     email: Optional[str] = None
     hashed_password: Optional[str] = None
@@ -47,6 +48,7 @@ class UserCreateDB(UserBase):
     is_verified: Optional[bool] = None
     is_superuser: Optional[bool] = None
 
+
 class UserUpdateDB(UserBase):
     email: Optional[str] = None
     hashed_password: Optional[str] = None
@@ -56,6 +58,7 @@ class UserUpdateDB(UserBase):
     is_verified: Optional[bool] = None
     is_superuser: Optional[bool] = None
 
+
 class ChangePassword(BaseModel):
     old_password: str
     new_password: str

backend/app/utils/OAuth2WithCookie.py

@@ -1,6 +1,6 @@
 from typing import Dict, Optional
 
-from fastapi import HTTPException, Request, status
+from fastapi import HTTPException, Request, status, WebSocket
 from fastapi.openapi.models import OAuthFlows as OAuthFlowsModel
 from fastapi.security import OAuth2
 from fastapi.security.utils import get_authorization_scheme_param
@@ -20,8 +20,19 @@ class OAuth2PasswordBearerWithCookie(OAuth2):
             password={"tokenUrl": tokenUrl, "scopes": scopes})
         super().__init__(flows=flows, scheme_name=scheme_name, auto_error=auto_error)
 
-    async def __call__(self, request: Request) -> Optional[str]:
+
-        authorization: str = request.cookies.get("access_token")
+    async def __call__(
+            self,
+            request: Request = None,
+            websocket: WebSocket = None
+    ) -> Optional[str]:
+        connection = request or websocket
+
+        if connection is None:
+            raise HTTPException(status_code=status.HTTP_400_BAD_REQUEST, detail="No connection found")
+
+        authorization: str = connection.cookies.get("access_token")
+        print(authorization)
 
         scheme, param = get_authorization_scheme_param(authorization)
         if not authorization or scheme.lower() != "bearer":

backend/poetry.lock

@@ -3504,81 +3504,73 @@ files = [
 
 [[package]]
 name = "websockets"
-version = "15.0.1"
+version = "16.0"
 description = "An implementation of the WebSocket Protocol (RFC 6455 & 7692)"
 optional = false
-python-versions = ">=3.9"
+python-versions = ">=3.10"
 groups = ["main"]
 files = [
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+    {file = "websockets-16.0-cp310-cp310-macosx_10_9_universal2.whl", hash = "sha256:04cdd5d2d1dacbad0a7bf36ccbcd3ccd5a30ee188f2560b7a62a30d14107b31a"},
-    {file = "websockets-15.0.1-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:ac60e3b188ec7574cb761b08d50fcedf9d77f1530352db4eef1707fe9dee7205"},
+    {file = "websockets-16.0-cp310-cp310-macosx_10_9_x86_64.whl", hash = "sha256:8ff32bb86522a9e5e31439a58addbb0166f0204d64066fb955265c4e214160f0"},
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+    {file = "websockets-16.0-cp310-cp310-macosx_11_0_arm64.whl", hash = "sha256:583b7c42688636f930688d712885cf1531326ee05effd982028212ccc13e5957"},
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+    {file = "websockets-16.0-cp310-cp310-manylinux1_x86_64.manylinux_2_28_x86_64.manylinux_2_5_x86_64.whl", hash = "sha256:7d837379b647c0c4c2355c2499723f82f1635fd2c26510e1f587d89bc2199e72"},
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 ]
 
 [[package]]
@@ -3849,4 +3841,4 @@ propcache = ">=0.2.1"
 [metadata]
 lock-version = "2.1"
 python-versions = ">=3.13"
-content-hash = "0251ef60f483d739512c9ae09a00d85e239cc079667acae2be68da9a632a0ed5"
+content-hash = "0bc3ba3c9bfed0b76ac6aa34c14882ea972d982a889c657d5c39d5c317df1775"

backend/pyproject.toml

@@ -21,10 +21,18 @@ dependencies = [
     "bcrypt (<4.1)",
     "pytest (>=9.0.2,<10.0.0)",
     "aiobotocore (>=3.1.0,<4.0.0)",
-    "types-aiobotocore[essential] (>=3.1.0,<4.0.0)"
+    "types-aiobotocore[essential] (>=3.1.0,<4.0.0)",
+    "websockets (>=16.0,<17.0)"
 ]
 
 
 [build-system]
 requires = ["poetry-core>=2.0.0,<3.0.0"]
 build-backend = "poetry.core.masonry.api"
+
+[tool.poetry]
+name = "aetherbackend"
+version = "0.1.0"
+description = ""
+authors = ["stasstrochewskij@gmail.com"]
+package-mode = false  # <--- Добавь это