added ORM, configured database

app/core/config.py

@@ -0,0 +1,12 @@
+class Settings:
+    PROJECT_NAME:str = "VMS"
+    PROJECT_VERSION:str = "1.0.0"
+    
+    POSTGRES_USER : str = "VMSBase"
+    POSTGRES_PASSWORD = "VMSBasePass"
+    POSTGRES_SERVER : str = "localhost"
+    POSTGRES_PORT : str = "5432"
+    POSTGRES_DB : str = "VMSData"
+    DATABASE_URL = f"postgresql://{POSTGRES_USER}:{POSTGRES_PASSWORD}@{POSTGRES_SERVER}:{POSTGRES_PORT}/{POSTGRES_DB}"
+    
+settings = Settings()

app/db/base_model.py

@@ -0,0 +1,11 @@
+from typing import Any
+from sqlalchemy.ext.declarative import declared_attr
+from sqlalchemy.orm import as_declarative
+
+
+@as_declarative()
+class Base:
+    id: Any
+    __name__: str
+    def __tablename__(cls) -> str:
+        return cls.__name__.lower()

app/db/session.py

@@ -0,0 +1,11 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+from core.config import settings 
+
+
+SQLALCHEMY_DATABASE_URL = settings.DATABASE_URL
+engine = create_engine(SQLALCHEMY_DATABASE_URL)
+print(SQLALCHEMY_DATABASE_URL)
+
+SessionLocal = sessionmaker(autocommit=False,autoflush=False,bind=engine)
+

app/main.py

@@ -1,6 +1,17 @@
 from fastapi import FastAPI
+from core.config import settings
+from db.session import engine
+from db.base_model import Base 
 
-app = FastAPI()
+
+def startup():  #start the project, and create the tables
+    app = FastAPI(title=settings.PROJECT_NAME,version=settings.PROJECT_VERSION)
+    Base.metadata.create_all(bind=engine)
+    return app
+
+
+
+app = startup() 
 
 @app.get("/")
 def root():