feat: написан сервис обеспечивающий доступ к записанным сообщениям

Dockerfile.api

@@ -0,0 +1,15 @@
+FROM python:3.9-slim
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    gcc \
+    libpq-dev \
+    && rm -rf /var/lib/apt/lists/*
+
+COPY requirements.api.txt .
+RUN pip install --no-cache-dir -r requirements.api.txt
+
+COPY src/api /app/api
+
+CMD ["uvicorn", "api.main:app", "--host", "0.0.0.0", "--port", "8000"]

Makefile

@@ -0,0 +1,16 @@
+.PHONY: up init-db down restart
+
+up:
+	docker-compose up -d
+
+init-db:
+	docker exec -it $$(docker ps -qf "name=api") python -c "\
+from api.database import Base, engine; \
+from api.models import Message; \
+Base.metadata.create_all(bind=engine)\
+"
+
+down:
+	docker-compose down
+
+restart: down up init-db

compose.yaml

@@ -7,7 +7,19 @@ services:
       ACCESS_TOKEN: "access_token"
       DATABASE_URL: "postgresql://postgres:password@db:5432/vkbot"
     depends_on:
-        db
+      - db
+    restart: unless-stopped
+
+  api:
+    build:
+      context: .
+      dockerfile: Dockerfile.api
+    environment:
+      DATABASE_URL: "postgresql://postgres:password@db:5432/vkbot"
+    ports:
+      - "8000:8000"
+    depends_on:
+      - db
     restart: unless-stopped
 
   db:

requirements.api.txt

@@ -0,0 +1,4 @@
+fastapi
+uvicorn
+psycopg2-binary
+sqlalchemy

src/api/database.py

@@ -0,0 +1,17 @@
+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+import os
+
+DATABASE_URL = os.getenv("DATABASE_URL")
+
+engine = create_engine(DATABASE_URL)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+Base = declarative_base()
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()

src/api/main.py

@@ -0,0 +1,22 @@
+from fastapi import FastAPI, Depends
+from sqlalchemy.orm import Session
+from api.database import get_db
+from api.models import Message
+from fastapi.middleware.cors import CORSMiddleware
+
+app = FastAPI()
+
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+@app.get("/messages")
+def get_messages(order_by: str = "id", take: int = 10, skip: int = 0, db: Session = Depends(get_db)):
+    order_by_field = getattr(Message, order_by, None)
+    if order_by_field is None:
+        return {"error": f"Invalid order_by field: {order_by}"}
+    messages = db.query(Message).order_by(order_by_field).offset(skip).limit(take).all()
+    return messages

src/api/models.py

@@ -0,0 +1,12 @@
+from sqlalchemy import Column, Integer, BigInteger, Text, TIMESTAMP
+from api.database import Base
+
+class Message(Base):
+    __tablename__ = "messages"
+
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(BigInteger)
+    peer_id = Column(BigInteger)
+    message_id = Column(BigInteger)
+    text = Column(Text)
+    timestamp = Column(TIMESTAMP)