feat: add user and post management with CRUD operations; include tests for functionality

users.py

@@ -0,0 +1,52 @@
+from fastapi import APIRouter, Depends
+from sqlalchemy.orm import sessionmaker, Session, declarative_base
+from sqlalchemy import create_engine, Column, Integer,String, ForeignKey
+
+import db
+        
+class User(db.Base):
+    __tablename__ = "users"
+    id = Column(Integer, primary_key=True, index=True)
+    name = Column(String, index=True)
+    email = Column(String, unique=True, index=True)
+    password = Column(String)
+
+
+router = APIRouter(prefix="/users")
+
+@router.get("")
+def get_users(db: Session = Depends(db.get_db)):
+    return db.query(User).all()
+
+@router.get("/{id}")
+def get_user( id, db: Session = Depends(db.get_db)):
+    db_user = db.query(User).filter(User.id == id).first()
+    return db_user
+
+@router.post("")
+def create_user( user: dict, db: Session = Depends(db.get_db)):
+    db_user = User(**user)
+    db.add(db_user)
+    db.commit()
+    db.refresh(db_user)
+    return {"message":"User created successfully","user":db_user}
+
+@router.put("/{id}")
+def update_user( id, user: dict, db: Session = Depends(db.get_db)):
+    db_user = db.query(User).filter(User.id == id).first()
+    if "name" in user:
+        db_user.name = user["name"]
+    if "email" in user:
+        db_user.email = user["email"]
+    if "password" in user:
+        db_user.password = user["password"]
+    db.commit()
+    db.refresh(db_user)
+    return {"message":"User updated successfully","user":db_user}
+
+@router.delete("/{id}")
+def delete_user(id, db: Session = Depends(db.get_db)):
+    db_user = db.query(User).filter(User.id == id).first()
+    db.delete(db_user)
+    db.commit()
+    return {"message":"User deleted successfully","user":db_user}