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

app/api/core/dependencies/dependencies.py

@@ -1,5 +1,6 @@
 from sqlalchemy.orm import Session
 from app.api.db.database import SessionLocal
+
 def get_db():
     db = SessionLocal()
     try:

app/api/core/middleware/activity_tracker.py

@@ -1,12 +1,13 @@
-import time
+from time 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()
+        start_time = time()
-        response = await call_next(request)
+        response: Response = await call_next(request)
-        process_time = time.time() - start_time
+        process_time = time() - start_time
-        logger.info(f'{request.method} {request.url} - Process Time: {process_time:.6f} seconds')
+        logger.info(f"Processed {request.method} {request.url} in {process_time:.4f} seconds")
         return response

app/api/v1/models/comments.py

@@ -1,7 +1,25 @@
+Here's a `comments.py` file for the `app/api/v1/models/` directory of the `blog_app_h23t0` FastAPI backend:
+
+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 Comments(Base):
     __tablename__ = 'comments'
 
     id = Column(Integer, primary_key=True, index=True)
+    post_id = Column(Integer, ForeignKey('posts.id'), nullable=False)
+    author_id = Column(Integer, ForeignKey('users.id'), nullable=False)
+    content = Column(Text, nullable=False)
+    created_at = Column(Integer, nullable=False)
+    updated_at = Column(Integer, nullable=True)
+
+    post = relationship('Posts', back_populates='comments')
+    author = relationship('Users', back_populates='comments')
+
+    def __repr__(self):
+        return f"Comments(id={self.id}, post_id={self.post_id}, author_id={self.author_id}, content='{self.content[:20]}...', created_at={self.created_at}, updated_at={self.updated_at})"
+
+
+The class includes the following columns:

app/api/v1/models/posts.py

@@ -1,7 +1,35 @@
+Sure, here's the `posts.py` file for the `blog_app_h23t0` FastAPI backend:
+
+
+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 Posts(Base):
     __tablename__ = 'posts'
 
     id = Column(Integer, primary_key=True, index=True)
+    title = Column(String, nullable=False)
+    content = Column(Text, nullable=False)
+    user_id = Column(Integer, ForeignKey('users.id'), nullable=False)
+
+    user = relationship('Users', back_populates='posts')
+    comments = relationship('Comments', back_populates='post')
+
+    def __repr__(self):
+        return f"Posts(id={self.id}, title='{self.title}', user_id={self.user_id})"
+
+Explanation:
+
+1. We import the necessary modules from SQLAlchemy: `Column`, `ForeignKey`, `Integer`, `String`, and `Text`.
+6. We define the columns for the `Posts` model:
+   - `id`: Integer primary key with index
+   - `title`: String column, cannot be null
+   - `content`: Text column, cannot be null
+   - `user_id`: Integer foreign key referencing the `id` column of the `users` table, cannot be null
+7. We define the relationships:
+   - `user`: One-to-many relationship with the `Users` model, backref `'posts'`
+   - `comments`: One-to-many relationship with the `Comments` model, backref `'post'`
+
+Note: This code assumes that you have a `Users` model defined elsewhere in your project, and that you will define a `Comments` model as well. You may need to adjust the relationship definitions and foreign key constraints based on your project's requirements.

app/api/v1/models/tags.py

@@ -1,7 +1,32 @@
-from sqlalchemy import Column, ForeignKey, Integer, String, Text
+Sure, here's an example of the `tags.py` file for the `blog_app` FastAPI backend:
+
+
+from typing import Optional
+
+from sqlalchemy import Column, ForeignKey, Integer, String
+from sqlalchemy.orm import relationship
+
 from app.api.db.database import Base
 
 class Tags(Base):
-    __tablename__ = 'tags'
+    __tablename__ = "tags"
 
     id = Column(Integer, primary_key=True, index=True)
+    name = Column(String, nullable=False, unique=True)
+    description = Column(String, nullable=True)
+
+    posts = relationship("PostTags", back_populates="tag")
+
+    def __repr__(self):
+        return f"Tag(id={self.id}, name='{self.name}', description='{self.description}')"
+
+Explanation:
+
+1. We import the necessary modules from SQLAlchemy (`Column`, `ForeignKey`, `Integer`, `String`) and `relationship` from `sqlalchemy.orm`.
+4. We define the following columns for the `Tags` model:
+   - `id`: an integer primary key with an index.
+   - `name`: a string column that cannot be null and must be unique.
+   - `description`: an optional string column that can be null.
+5. We define a relationship with the `PostTags` model (not shown here) using the `relationship` function from SQLAlchemy. This relationship is bi-directional, as indicated by `back_populates="tag"`.
+
+Note: This example assumes that you have a `PostTags` model (or a similar model) defined elsewhere in your application to represent the many-to-many relationship between posts and tags.

app/api/v1/models/user.py

@@ -1,7 +1,47 @@
+Here's the `user.py` file for the `blog_app` FastAPI backend, located in the `app/api/v1/models/` directory:
+
+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 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 = Column(String, nullable=False)
+    full_name = Column(String)
+    bio = Column(Text)
+
+    posts = relationship("Post", back_populates="author")
+    comments = relationship("Comment", back_populates="author")
+
+    def __repr__(self):
+        return f"User(id={self.id}, username='{self.username}', email='{self.email}')"
+
+Explanation:
+
+1. Imports:
+   - `typing.Optional`: Used for type hints.
+   - `sqlalchemy`: Imported `Column`, `ForeignKey`, `Integer`, `String`, and `Text` classes for defining table columns.
+   - `sqlalchemy.orm`: Imported `relationship` for defining relationships between models.
+   - `app.api.db.database`: Imported `Base` class, which is the base class for all SQLAlchemy models.
+
+2. `User` class:
+   - Inherits from the `Base` class.
+   - `__tablename__` attribute specifies the name of the database table for this model.
+   - Columns:
+     - `id`: Integer primary key column with an index.
+     - `username`: String column, unique and not nullable.
+     - `email`: String column, unique and not nullable.
+     - `password`: String column, not nullable.
+     - `full_name`: String column.
+     - `bio`: Text column.
+   - Relationships:
+     - `posts`: One-to-many relationship with the `Post` model, where a user can have multiple posts.
+     - `comments`: One-to-many relationship with the `Comment` model, where a user can have multiple comments.
+   - `__repr__` method: Provides a string representation of the `User` object for debugging purposes.
+
+Note: The `Post` and `Comment` models are not defined in this file, but they are assumed to exist and have the appropriate relationships defined with the `User` model.

app/api/v1/routes/__init__.py

@@ -1,2 +1,3 @@
 from fastapi import APIRouter
+
 router = APIRouter()

app/api/v1/schemas/comments.py

@@ -1,10 +1,11 @@
 from pydantic import BaseModel
 
 class CommentsBase(BaseModel):
-    pass
+    body: str
 
-class Comments(BaseModel):
+class Comments(CommentsBase):
     id: int
+    post_id: int
 
     class Config:
         orm_mode = True

app/api/v1/schemas/posts.py

@@ -1,10 +1,9 @@
 from pydantic import BaseModel
 
 class PostsBase(BaseModel):
-    pass
+    title: str
-
+    body: str
-class Posts(BaseModel):
-    id: int
 
+class Posts(PostsBase):
     class Config:
         orm_mode = True

app/api/v1/schemas/tags.py

@@ -1,10 +1,11 @@
 from pydantic import BaseModel
 
 class TagsBase(BaseModel):
-    pass
+    name: str
 
-class Tags(BaseModel):
+class Tags(TagsBase):
     id: int
+    name: str
 
     class Config:
         orm_mode = True

main.py

@@ -2,9 +2,11 @@ from fastapi import FastAPI
 from app.api.db.database import engine, Base
 from app.api.v1.routes import router
 from app.api.core.middleware.activity_tracker import ActivityTrackerMiddleware
+
 app = FastAPI()
 app.add_middleware(ActivityTrackerMiddleware)
-app.include_router(router, prefix='/v1')
+app.include_router(router, prefix="/v1")
-@app.on_event('startup')
+
-def startup():
+@app.on_event("startup")
+def startup_event():
     Base.metadata.create_all(bind=engine)

requirements.txt

@@ -1 +1,5 @@
-# No code generated
+fastapi
+uvicorn
+sqlalchemy
+pydantic
+loguru