start

.gitignore

@@ -0,0 +1,33 @@
+.env
+.venv
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+*.db
+*.sqlite3
+*.log
+.DS_Store
+.idea/
+.vscode/
+*.swp
+*.swo
+*.bak
+*.tmp
+*.egg-info/
+dist/
+build/
+*.egg
+*.egg-info/
+*.log
+*.cover
+.coverage
+htmlcov/
+.tox/
+.nox/
+.coverage.*
+.cache/
+nosetests.xml
+coverage.xml
+*.cover
+*.mp3

.python-version

@@ -0,0 +1 @@
+3.14

Dockerfile.api

@@ -0,0 +1,11 @@
+# syntax=docker/dockerfile:1
+FROM python:3.11-slim
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . ./api
+
+CMD ["uvicorn", "api.main:app", "--host", "0.0.0.0", "--port", "8000"]

api/README.md

@@ -0,0 +1,2 @@
+# Для запуска API отдельно:
+# uvicorn api.main:app --reload

api/config.py

@@ -0,0 +1,28 @@
+from pydantic_settings import BaseSettings
+import os
+
+def _env(*names, default=None):
+    for n in names:
+        v = os.getenv(n)
+        if v:
+            return v
+    return default
+
+class Settings(BaseSettings):
+    # support both custom DB_* names and common POSTGRES_* names from postgres images
+    DB_USER: str = _env("DB_USER", "POSTGRES_USER", default="postgres")
+    DB_PASS: str = _env("DB_PASS", "POSTGRES_PASSWORD", default="postgres")
+    DB_NAME: str = _env("DB_NAME", "POSTGRES_DB", default="vpn_bot_db")
+    DB_HOST: str = _env("DB_HOST", "POSTGRES_HOST", "DB_HOST", default="db")
+    DB_PORT: str = _env("DB_PORT", "POSTGRES_PORT", default="5432")
+
+    # If explicit DB_* variables are provided, build DATABASE_URL from them (priority).
+    # Otherwise fall back to explicit DATABASE_URL or DATABASE_URL_ASYNC env.
+    _built_db_url: str | None = None
+    if DB_USER and DB_PASS and DB_NAME and DB_HOST and DB_PORT:
+        _built_db_url = f"postgresql+asyncpg://{DB_USER}:{DB_PASS}@{DB_HOST}:{DB_PORT}/{DB_NAME}"
+
+    DATABASE_URL: str = _built_db_url or _env("DATABASE_URL", "DATABASE_URL_ASYNC", default="")
+
+
+settings = Settings()

api/db/connection.py

@@ -0,0 +1,27 @@
+from sqlalchemy.ext.asyncio import create_async_engine, AsyncSession
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy import text
+import asyncio
+from api.config import settings
+
+DATABASE_URL = settings.DATABASE_URL
+engine = create_async_engine(DATABASE_URL, echo=False, future=True)
+SessionLocal = sessionmaker(engine, expire_on_commit=False, class_=AsyncSession)
+
+
+async def wait_for_db(retries: int = 12, delay: float = 1.0) -> None:
+	"""Wait until the database is available. Retries with exponential backoff.
+
+	Raises RuntimeError if DB is still unavailable after retries.
+	"""
+	last_exc = None
+	for attempt in range(1, retries + 1):
+		try:
+			async with engine.connect() as conn:
+				await conn.execute(text("SELECT 1"))
+				return
+		except Exception as e:
+			last_exc = e
+			wait = min(delay * (2 ** (attempt - 1)), 5)
+			await asyncio.sleep(wait)
+	raise RuntimeError(f"Could not connect to DB after {retries} attempts") from last_exc

api/db/subscription.py

@@ -0,0 +1,121 @@
+from api.db.connection import engine, SessionLocal
+from api.models.subscription import Subscription
+from api.models.base import Base
+from api.config import settings
+from datetime import datetime, timedelta
+from sqlalchemy import select
+import asyncpg
+
+
+async def init_db():
+    try:
+        async with engine.begin() as conn:
+            await conn.run_sync(Base.metadata.create_all)
+        return
+    except Exception as exc:  # try to create database if it doesn't exist
+        msg = str(exc).lower()
+        if "does not exist" in msg or "invalidcatalogname" in msg or "database" in msg:
+            try:
+                admin_conn = await asyncpg.connect(
+                    user=settings.DB_USER,
+                    password=settings.DB_PASS,
+                    database="postgres",
+                    host=settings.DB_HOST,
+                    port=int(settings.DB_PORT),
+                )
+                try:
+                    await admin_conn.execute(f'CREATE DATABASE "{settings.DB_NAME}"')
+                except Exception:
+                    pass
+                await admin_conn.close()
+            except Exception:
+                raise
+            async with engine.begin() as conn:
+                await conn.run_sync(Base.metadata.create_all)
+            return
+        raise
+
+
+async def create_subscription(user_id: str, uuid: str, until: datetime, subscription_link: str | None = None, connect_link: str | None = None, active: bool = True):
+    async with SessionLocal() as session:
+        # if user already has a subscription, remove it (replace)
+        q = select(Subscription).where(Subscription.user_id == user_id)
+        res = await session.execute(q)
+        existing = res.scalars().first()
+        if existing:
+            await session.delete(existing)
+        # avoid NULL in DB: replace None links with empty strings
+        safe_subscription_link = subscription_link if subscription_link is not None else ""
+        safe_connect_link = connect_link if connect_link is not None else ""
+        sub = Subscription(user_id=user_id, uuid=uuid, until=until, active=active, subscription_link=safe_subscription_link, connect_link=safe_connect_link)
+        session.add(sub)
+        await session.commit()
+        await session.refresh(sub)
+        return sub
+
+
+async def get_subscription_by_user(user_id: str):
+    async with SessionLocal() as session:
+        q = select(Subscription).where(Subscription.user_id == user_id)
+        res = await session.execute(q)
+        sub = res.scalars().first()
+        return sub
+
+
+async def get_subscription_by_uuid(sub_uuid: str):
+    async with SessionLocal() as session:
+        q = select(Subscription).where(Subscription.uuid == sub_uuid)
+        res = await session.execute(q)
+        return res.scalars().first()
+
+
+async def update_subscription(sub_uuid: str, until: datetime = None, user_id: str | None = None, active: bool | None = None, subscription_link: str | None = None, connect_link: str | None = None):
+    async with SessionLocal() as session:
+        q = select(Subscription).where(Subscription.uuid == sub_uuid)
+        res = await session.execute(q)
+        sub = res.scalars().first()
+        if not sub:
+            return None
+        if until is not None:
+            sub.until = until
+        if user_id is not None:
+            sub.user_id = user_id
+        if active is not None:
+            sub.active = active
+        if subscription_link is not None:
+            sub.subscription_link = subscription_link
+        if connect_link is not None:
+            sub.connect_link = connect_link
+        await session.commit()
+        return sub
+
+
+async def delete_subscription(sub_uuid: str):
+    async with SessionLocal() as session:
+        q = select(Subscription).where(Subscription.uuid == sub_uuid)
+        res = await session.execute(q)
+        sub = res.scalars().first()
+        if not sub:
+            return False
+        await session.delete(sub)
+        await session.commit()
+        return True
+
+
+async def list_subscriptions():
+    async with SessionLocal() as session:
+        q = select(Subscription)
+        res = await session.execute(q)
+        return res.scalars().all()
+
+
+async def extend_subscription_by_user(user_id: str, months: int):
+    sub = await get_subscription_by_user(user_id)
+    if sub:
+        new_until = max(sub.until, datetime.now()) + timedelta(days=30 * months)
+        return await update_subscription(sub.uuid, until=new_until, active=True)
+    return None
+
+
+async def deactivate_subscription(sub_uuid: str):
+    return await update_subscription(sub_uuid, active=False)

api/db/user.py

@@ -0,0 +1,64 @@
+from api.db.connection import SessionLocal
+from api.models.user import User
+from sqlalchemy import select
+
+
+import uuid
+
+
+async def create_user(telegram_id: str, name: str | None = None):
+    async with SessionLocal() as session:
+        # ensure no NULL in DB: replace None with empty string
+        safe_name = name if name is not None else ""
+        user = User(id=str(uuid.uuid4()), telegram_id=telegram_id, name=safe_name)
+        session.add(user)
+        await session.commit()
+        await session.refresh(user)
+        return user
+
+
+async def get_user(user_id: str):
+    async with SessionLocal() as session:
+        q = select(User).where(User.id == user_id)
+        res = await session.execute(q)
+        return res.scalars().first()
+
+
+async def get_user_by_telegram(telegram_id: str):
+    async with SessionLocal() as session:
+        q = select(User).where(User.telegram_id == telegram_id)
+        res = await session.execute(q)
+        return res.scalars().first()
+
+
+async def update_user(user_id: str, name: str | None = None):
+    async with SessionLocal() as session:
+        q = select(User).where(User.id == user_id)
+        res = await session.execute(q)
+        user = res.scalars().first()
+        if not user:
+            return None
+        if name is not None:
+            # replace None handled by caller; here update only when provided
+            user.name = name
+        await session.commit()
+        return user
+
+
+async def delete_user(user_id: str):
+    async with SessionLocal() as session:
+        q = select(User).where(User.id == user_id)
+        res = await session.execute(q)
+        user = res.scalars().first()
+        if not user:
+            return False
+        await session.delete(user)
+        await session.commit()
+        return True
+
+
+async def list_users():
+    async with SessionLocal() as session:
+        q = select(User)
+        res = await session.execute(q)
+        return res.scalars().all()

api/main.py

@@ -0,0 +1,17 @@
+import asyncio
+from fastapi import FastAPI
+from api.route import default, subscription
+from api.route import users
+from api.db.subscription import init_db
+from api.db.connection import wait_for_db
+
+app = FastAPI(title="VPN Bot API")
+
+@app.on_event("startup")
+async def on_startup():
+    await wait_for_db()
+    await init_db()
+
+app.include_router(default.router)
+app.include_router(subscription.router)
+app.include_router(users.router)

api/models/base.py

@@ -0,0 +1,3 @@
+from sqlalchemy.orm import declarative_base
+
+Base = declarative_base()

api/models/subscription.py

@@ -0,0 +1,14 @@
+from sqlalchemy import Column, String, DateTime, ForeignKey, Boolean, Text
+from api.models.base import Base
+
+
+class Subscription(Base):
+    __tablename__ = 'subscriptions'
+    uuid = Column(String, primary_key=True, index=True)
+    # one subscription per user (unique)
+    user_id = Column(String, ForeignKey('users.id'), nullable=False, index=True, unique=True)
+    until = Column(DateTime, nullable=False)
+    active = Column(Boolean, nullable=False, default=True)
+    # avoid NULL: store empty string when no link provided
+    subscription_link = Column(Text, nullable=False, default="")
+    connect_link = Column(Text, nullable=False, default="")

api/models/user.py

@@ -0,0 +1,12 @@
+from sqlalchemy import Column, String, DateTime
+from sqlalchemy.sql import func
+from api.models.base import Base
+import uuid
+
+
+class User(Base):
+    __tablename__ = 'users'
+    id = Column(String, primary_key=True, default=lambda: str(uuid.uuid4()))
+    telegram_id = Column(String, unique=True, index=True, nullable=False)
+    name = Column(String, nullable=False, default="")
+    created_at = Column(DateTime(timezone=True), server_default=func.now(), nullable=False)

api/route/default.py

@@ -0,0 +1,17 @@
+from fastapi import APIRouter
+import toml
+from pathlib import Path
+
+router = APIRouter()
+
+@router.get("/")
+async def root():
+    version = "dev"
+    pyproject_path = Path(__file__).parent.parent.parent / "pyproject.toml"
+    if pyproject_path.exists():
+        try:
+            data = toml.load(pyproject_path)
+            version = data.get("project", {}).get("version", "dev")
+        except Exception:
+            pass
+    return {"status": "ok", "msg": "VPN Bot API", "version": version}

api/route/subscription.py

@@ -0,0 +1,94 @@
+from fastapi import APIRouter, HTTPException
+from pydantic import BaseModel
+from typing import Optional, List
+from api.db.subscription import (
+    create_subscription,
+    get_subscription_by_user,
+    get_subscription_by_uuid,
+    update_subscription,
+    delete_subscription,
+    list_subscriptions,
+    extend_subscription_by_user,
+)
+import uuid
+from datetime import datetime, timedelta
+
+router = APIRouter(prefix="/subscription", tags=["subscription"])
+
+
+class SubscriptionInfo(BaseModel):
+    user_id: str
+    uuid: str
+    until: datetime
+    active: bool
+    subscription_link: Optional[str] = None
+    connect_link: Optional[str] = None
+
+
+class SubscriptionCreate(BaseModel):
+    user_id: str
+    months: int
+    subscription_link: Optional[str] = None
+    connect_link: Optional[str] = None
+
+
+class SubscriptionUpdate(BaseModel):
+    until: Optional[datetime]
+    user_id: Optional[str]
+    active: Optional[bool] = None
+    subscription_link: Optional[str] = None
+    connect_link: Optional[str] = None
+
+
+@router.get("/{user_id}", response_model=Optional[SubscriptionInfo])
+async def get_user_subscription(user_id: str):
+    sub = await get_subscription_by_user(user_id)
+    if not sub:
+        return None
+    return SubscriptionInfo(user_id=sub.user_id, uuid=sub.uuid, until=sub.until)
+
+
+@router.post("/new", response_model=SubscriptionInfo)
+async def create_subscription_endpoint(data: SubscriptionCreate):
+    sub_id = str(uuid.uuid4())
+    until = datetime.now() + timedelta(days=30 * data.months)
+    sub = await create_subscription(data.user_id, sub_id, until, subscription_link=data.subscription_link, connect_link=data.connect_link, active=True)
+    return SubscriptionInfo(user_id=sub.user_id, uuid=sub.uuid, until=sub.until)
+
+
+@router.post("/extend", response_model=SubscriptionInfo)
+async def extend_user_subscription(data: SubscriptionCreate):
+    sub = await extend_subscription_by_user(data.user_id, data.months)
+    if not sub:
+        raise HTTPException(status_code=404, detail="Subscription not found")
+    return SubscriptionInfo(user_id=sub.user_id, uuid=sub.uuid, until=sub.until, active=sub.active, subscription_link=sub.subscription_link, connect_link=sub.connect_link)
+
+
+@router.get("/by-uuid/{sub_uuid}", response_model=Optional[SubscriptionInfo])
+async def get_subscription_uuid(sub_uuid: str):
+    sub = await get_subscription_by_uuid(sub_uuid)
+    if not sub:
+        raise HTTPException(status_code=404, detail="Subscription not found")
+    return SubscriptionInfo(user_id=sub.user_id, uuid=sub.uuid, until=sub.until, active=sub.active, subscription_link=sub.subscription_link, connect_link=sub.connect_link)
+
+
+@router.patch("/{sub_uuid}", response_model=SubscriptionInfo)
+async def update_subscription_endpoint(sub_uuid: str, data: SubscriptionUpdate):
+    sub = await update_subscription(sub_uuid, until=data.until, user_id=data.user_id, active=data.active, subscription_link=data.subscription_link, connect_link=data.connect_link)
+    if not sub:
+        raise HTTPException(status_code=404, detail="Subscription not found")
+    return SubscriptionInfo(user_id=sub.user_id, uuid=sub.uuid, until=sub.until, active=sub.active, subscription_link=sub.subscription_link, connect_link=sub.connect_link)
+
+
+@router.delete("/{sub_uuid}")
+async def delete_subscription_endpoint(sub_uuid: str):
+    ok = await delete_subscription(sub_uuid)
+    if not ok:
+        raise HTTPException(status_code=404, detail="Subscription not found")
+    return {"ok": True}
+
+
+@router.get("/", response_model=List[SubscriptionInfo])
+async def list_all_subscriptions():
+    subs = await list_subscriptions()
+    return [SubscriptionInfo(user_id=s.user_id, uuid=s.uuid, until=s.until) for s in subs]

api/route/users.py

@@ -0,0 +1,107 @@
+from fastapi import APIRouter, HTTPException
+from pydantic import BaseModel
+from typing import Optional, List
+from api.db.user import create_user, get_user, get_user_by_telegram, update_user, delete_user, list_users
+from api.db.subscription import (
+    create_subscription,
+    get_subscription_by_user,
+    update_subscription,
+    delete_subscription,
+)
+from api.route.subscription import SubscriptionInfo
+
+router = APIRouter(prefix="/users", tags=["users"])
+
+
+class UserOut(BaseModel):
+    id: str
+    telegram_id: str
+    name: Optional[str]
+    subscription: Optional[SubscriptionInfo] = None
+
+
+class UserCreate(BaseModel):
+    telegram_id: str
+    name: Optional[str]
+
+
+class UserUpdate(BaseModel):
+    name: Optional[str]
+
+
+@router.post("/", response_model=UserOut)
+async def api_create_user(data: UserCreate):
+    existing = await get_user_by_telegram(data.telegram_id)
+    if existing:
+        raise HTTPException(status_code=400, detail="User already exists")
+    u = await create_user(data.telegram_id, data.name)
+    return UserOut(id=u.id, telegram_id=u.telegram_id, name=u.name)
+
+
+@router.get("/{user_id}", response_model=UserOut)
+async def api_get_user(user_id: str, expand: Optional[str] = None):
+    u = await get_user(user_id)
+    if not u:
+        raise HTTPException(status_code=404, detail="User not found")
+    out = UserOut(id=u.id, telegram_id=u.telegram_id, name=u.name)
+    if expand == "subscription":
+        sub = await get_subscription_by_user(u.id)
+        if sub:
+            out.subscription = SubscriptionInfo(user_id=sub.user_id, uuid=sub.uuid, until=sub.until, active=sub.active, subscription_link=sub.subscription_link, connect_link=sub.connect_link)
+    return out
+
+
+@router.post("/{user_id}/subscription", response_model=SubscriptionInfo)
+async def api_create_user_subscription(user_id: str, data: dict):
+    # expected keys: months, subscription_link (opt), connect_link (opt)
+    months = int(data.get("months", 1))
+    subscription_link = data.get("subscription_link")
+    connect_link = data.get("connect_link")
+    import uuid as _uuid
+    sub_id = str(_uuid.uuid4())
+    from datetime import datetime, timedelta
+    until = datetime.now() + timedelta(days=30 * months)
+    sub = await create_subscription(user_id, sub_id, until, subscription_link=subscription_link, connect_link=connect_link, active=True)
+    return SubscriptionInfo(user_id=sub.user_id, uuid=sub.uuid, until=sub.until, active=sub.active, subscription_link=sub.subscription_link, connect_link=sub.connect_link)
+
+
+@router.patch("/{user_id}/subscription", response_model=SubscriptionInfo)
+async def api_update_user_subscription(user_id: str, data: dict):
+    sub = await get_subscription_by_user(user_id)
+    if not sub:
+        raise HTTPException(status_code=404, detail="Subscription not found for user")
+    updated = await update_subscription(sub.uuid, until=data.get("until"), user_id=data.get("user_id"), active=data.get("active"), subscription_link=data.get("subscription_link"), connect_link=data.get("connect_link"))
+    return SubscriptionInfo(user_id=updated.user_id, uuid=updated.uuid, until=updated.until, active=updated.active, subscription_link=updated.subscription_link, connect_link=updated.connect_link)
+
+
+@router.delete("/{user_id}/subscription")
+async def api_delete_user_subscription(user_id: str):
+    sub = await get_subscription_by_user(user_id)
+    if not sub:
+        raise HTTPException(status_code=404, detail="Subscription not found for user")
+    ok = await delete_subscription(sub.uuid)
+    if not ok:
+        raise HTTPException(status_code=500, detail="Failed to delete subscription")
+    return {"ok": True}
+
+
+@router.get("/", response_model=List[UserOut])
+async def api_list_users():
+    users = await list_users()
+    return [UserOut(id=u.id, telegram_id=u.telegram_id, name=u.name) for u in users]
+
+
+@router.patch("/{user_id}", response_model=UserOut)
+async def api_update_user(user_id: str, data: UserUpdate):
+    u = await update_user(user_id, name=data.name)
+    if not u:
+        raise HTTPException(status_code=404, detail="User not found")
+    return UserOut(id=u.id, telegram_id=u.telegram_id, name=u.name)
+
+
+@router.delete("/{user_id}")
+async def api_delete_user(user_id: str):
+    ok = await delete_user(user_id)
+    if not ok:
+        raise HTTPException(status_code=404, detail="User not found")
+    return {"ok": True}

docker-compose.yml

@@ -0,0 +1,49 @@
+
+services:
+  #bot:
+  #  build:
+  #    context: .
+  #    dockerfile: Dockerfile.bot
+  #  container_name: telegram_bot
+  #  restart: no
+  #  env_file:
+  #    - .env
+  #  environment:
+  #    - BOT_TOKEN=${BOT_TOKEN}
+  #  command: python -m bot.main
+  #  depends_on:
+  #    - db
+  #  volumes:
+  #    - .:/app
+
+  api:
+    build:
+      context: .
+      dockerfile: Dockerfile.api
+    container_name: vpn_api
+    restart: no
+    env_file:
+      - .env
+    command: uvicorn api.main:app --host 0.0.0.0 --port 8000
+    depends_on:
+      - db
+    ports:
+      - "8000:8000"
+    volumes:
+      - .:/app
+
+  db:
+    image: postgres:15-alpine
+    container_name: bot_db
+    restart: always
+    environment:
+      POSTGRES_USER: ${DB_USER}
+      POSTGRES_PASSWORD: ${DB_PASS}
+      POSTGRES_DB: ${DB_NAME}
+    volumes:
+      - ./pg_data:/var/lib/postgresql/data
+    ports:
+      - "5433:5432"
+
+volumes:
+  pg_data:

pyproject.toml

@@ -0,0 +1,10 @@
+[project]
+name = "llm-infa"
+version = "0.1.0"
+description = "Add your description here"
+readme = "README.md"
+requires-python = ">=3.14"
+dependencies = [
+    "fastapi>=0.129.0",
+    "uvicorn>=0.41.0",
+]

uv.lock

@@ -0,0 +1,203 @@
+version = 1
+revision = 3
+requires-python = ">=3.14"
+
+[[package]]
+name = "annotated-doc"
+version = "0.0.4"
+source = { registry = "https://pypi.org/simple" }
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