Backend finished

Co-authored-by: Álvaro <alvaro6gv@users.noreply.github.com>

backend/app/routes/users.py

@@ -0,0 +1,44 @@
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.orm import Session
+from typing import List
+from app.db.database import get_db
+from app.models.user import UserModel
+from app.schemas.user import UserRead, UserRegister
+from app.core.security import hash_password
+import pyotp
+
+router = APIRouter()
+
+@router.get("/users", response_model=List[UserRead])
+def get_all_users(db: Session = Depends(get_db)):
+    users = db.query(UserModel).all()
+    if not users:
+        raise HTTPException(status_code=404, detail="No hay usuarios registrados")
+    return users
+
+@router.get("/users/{user_id}", response_model=UserRead)
+def get_user_by_id(user_id: int, db: Session = Depends(get_db)):
+    user = db.query(UserModel).filter(UserModel.user_id == user_id).first()
+    if not user:
+        raise HTTPException(status_code=404, detail="No se ha encontrado el usuario.")
+    
+    return user
+
+@router.post("/users", response_model=UserRead)
+async def create_user(user: UserRegister, db: Session = Depends(get_db)):
+    existing_user = db.query(UserModel).filter(UserModel.user_name == user.user_name).first()
+    if existing_user:
+        raise HTTPException(status_code=400, detail="El nombre de usuario ya existe")
+
+    hashed_password = hash_password(user.password)
+
+    new_user = UserModel(
+        user_name=user.user_name,
+        password=hashed_password,
+    )
+
+    db.add(new_user)
+    db.commit()
+    db.refresh(new_user)
+
+    return new_user