Update generated backend for blog_app with entities: posts, comments, tags, user

app/api/core/dependencies/dependencies.py

@@ -0,0 +1,9 @@
+from sqlalchemy.orm import Session
+from app.api.db.database import SessionLocal
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()

app/api/core/middleware/activity_tracker.py

@@ -0,0 +1,13 @@
+import time
+from starlette.middleware.base import BaseHTTPMiddleware
+from starlette.requests import Request
+from starlette.responses import Response
+from loguru import logger
+
+class ActivityTrackerMiddleware(BaseHTTPMiddleware):
+    async def dispatch(self, request: Request, call_next):
+        start_time = time.time()
+        response: Response = await call_next(request)
+        process_time = time.time() - start_time
+        logger.info(f"Request processed in {process_time:.4f} seconds")
+        return response

app/api/db/database.py

@@ -0,0 +1,7 @@
+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+SQLALCHEMY_DATABASE_URL = 'sqlite:///./blog_app.db'
+engine = create_engine(SQLALCHEMY_DATABASE_URL, connect_args={'check_same_thread': False})
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+Base = declarative_base()

app/api/v1/models/comments.py

@@ -0,0 +1,21 @@
+# app/api/v1/models/comments.py
+
+from sqlalchemy import Column, ForeignKey, Integer, String, Text
+from sqlalchemy.orm import relationship
+from app.api.db.database import Base
+
+class Comments(Base):
+    __tablename__ = 'comments'
+
+    id = Column(Integer, primary_key=True, index=True)
+    post_id = Column(Integer, ForeignKey('posts.id'))
+    user_id = Column(Integer, ForeignKey('users.id'))
+    content = Column(Text)
+    created_at = Column(String)
+    updated_at = Column(String, nullable=True)
+
+    post = relationship('Post', back_populates='comments')
+    user = relationship('User', back_populates='comments')
+
+    def __repr__(self):
+        return f'Comment(id={self.id}, post_id={self.post_id}, user_id={self.user_id}, content="{self.content[:20]}...", created_at="{self.created_at}", updated_at="{self.updated_at}")'

app/api/v1/models/posts.py

@@ -0,0 +1,16 @@
+from sqlalchemy import Column, ForeignKey, Integer, String, Text
+from sqlalchemy.orm import relationship
+from app.api.db.database import Base
+
+class Posts(Base):
+    __tablename__ = 'posts'
+
+    id = Column(Integer, primary_key=True, index=True)
+    title = Column(String)
+    content = Column(Text)
+    user_id = Column(Integer, ForeignKey('users.id'))
+
+    user = relationship('User', back_populates='posts')
+
+    def __repr__(self):
+        return f'Post(id={self.id}, title={self.title}, content={self.content[:20]}...)'

app/api/v1/models/tags.py

@@ -0,0 +1,19 @@
+# app/api/v1/models/tags.py
+
+from typing import Optional
+from sqlalchemy import Column, ForeignKey, Integer, String, Text
+from sqlalchemy.orm import relationship
+from app.api.db.database import Base
+
+class Tags(Base):
+    __tablename__ = 'tags'
+
+    id = Column(Integer, primary_key=True, index=True)
+    name = Column(String, nullable=False)
+    description = Column(Text, nullable=True)
+    post_id = Column(Integer, ForeignKey('posts.id'), nullable=False)
+
+    post = relationship('Post', back_populates='tags')
+
+    def __repr__(self):
+        return f'Tag(id={self.id}, name={self.name}, description={self.description})'

app/api/v1/models/user.py

@@ -0,0 +1,18 @@
+from sqlalchemy import Column, ForeignKey, Integer, String, Text
+from sqlalchemy.orm import relationship
+from app.api.db.database import Base
+
+class User(Base):
+    __tablename__ = 'user'
+
+    id = Column(Integer, primary_key=True, index=True)
+    username = Column(String, unique=True, nullable=False)
+    email = Column(String, unique=True, nullable=False)
+    password_hash = Column(String, nullable=False)
+    is_active = Column(Integer, default=1)
+    bio = Column(Text, nullable=True)
+
+    posts = relationship("Post", back_populates="author")
+
+    def __repr__(self):
+        return f"User(id={self.id}, username='{self.username}', email='{self.email}')"

app/api/v1/routes/__init__.py

@@ -0,0 +1,2 @@
+from fastapi import APIRouter
+router = APIRouter()

app/api/v1/routes/comments.py

@@ -0,0 +1,9 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from app.api.core.dependencies import get_db
+
+router = APIRouter()
+
+@router.get('/comments/')
+def read_comments(db: Session = Depends(get_db)):
+    return {'message': 'Read comments'}

app/api/v1/routes/posts.py

@@ -0,0 +1,9 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from app.api.core.dependencies import get_db
+
+router = APIRouter()
+
+@router.get('/posts/')
+def read_posts(db: Session = Depends(get_db)):
+    return {'message': 'Read posts'}

app/api/v1/routes/tags.py

@@ -0,0 +1,9 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from app.api.core.dependencies import get_db
+
+router = APIRouter()
+
+@router.get('/tags/')
+def read_tags(db: Session = Depends(get_db)):
+    return {'message': 'Read tags'}

app/api/v1/routes/user.py

@@ -0,0 +1,9 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from app.api.core.dependencies import get_db
+
+router = APIRouter()
+
+@router.get('/user/')
+def read_user(db: Session = Depends(get_db)):
+    return {'message': 'Read user'}

app/api/v1/schemas/comments.py

@@ -0,0 +1,10 @@
+from pydantic import BaseModel
+
+class CommentsBase(BaseModel):
+    pass
+
+class Comments(BaseModel):
+    id: int
+
+    class Config:
+        orm_mode = True

app/api/v1/schemas/posts.py

@@ -0,0 +1,15 @@
+from pydantic import BaseModel
+from typing import Optional
+
+class PostsBase(BaseModel):
+    title: str
+    content: str
+    published: bool = True
+    rating: Optional[int] = None
+
+class Posts(PostsBase):
+    id: int
+    owner_id: int
+
+    class Config:
+        orm_mode = True

app/api/v1/schemas/tags.py

@@ -0,0 +1,12 @@
+from pydantic import BaseModel
+from typing import Optional
+
+class TagsBase(BaseModel):
+    name: str
+
+class Tags(TagsBase):
+    id: int
+    posts: Optional[list]
+
+    class Config:
+        orm_mode = True

app/api/v1/schemas/user.py

@@ -0,0 +1,10 @@
+from pydantic import BaseModel
+
+class UserBase(BaseModel):
+    pass
+
+class User(BaseModel):
+    id: int
+
+    class Config:
+        orm_mode = True

main.py

@@ -1,7 +1,10 @@
 from fastapi import FastAPI
-
+from app.api.db.database import engine, Base
-app = FastAPI(title="Generated Backend")
+from app.api.v1.routes import router
-
+from app.api.core.middleware.activity_tracker import ActivityTrackerMiddleware
-@app.get("/")
+app = FastAPI()
-def read_root():
+app.add_middleware(ActivityTrackerMiddleware)
-    return {"message": "Welcome to the generated backend"}
+app.include_router(router, prefix='/v1')
+@app.on_event('startup')
+def startup():
+    Base.metadata.create_all(bind=engine)

requirements.txt

@@ -2,3 +2,4 @@ fastapi
 uvicorn
 sqlalchemy
 pydantic
+loguru