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Backend: Día 5
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‎Backend/FastAPI/__pycache__/main.cpython-310.pyc

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‎Backend/FastAPI/db/__pycache__/client.cpython-310.pyc

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‎Backend/FastAPI/db/client.py

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# Clase en vídeo (22/12/2022): https://www.twitch.tv/videos/1686104006
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### MongoDB client ###
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# Descarga versión community: https://www.mongodb.com/try/download
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# Instalación:https://www.mongodb.com/docs/manual/tutorial
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# Módulo conexión MongoDB: pip install pymongo
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# Ejecución: sudo mongod --dbpath "/path/a/la/base/de/datos/"
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# Conexión: mongodb://localhost
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from pymongo import MongoClient
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db_client = MongoClient()

‎Backend/FastAPI/db/models/__pycache__/user.cpython-310.pyc

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‎Backend/FastAPI/db/models/user.py

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# Clase en vídeo (22/12/2022): https://www.twitch.tv/videos/1686104006
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### User model ###
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from pydantic import BaseModel
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class User(BaseModel):
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id: str | None
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username: str
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email: str

‎Backend/FastAPI/db/schemas/__pycache__/user.cpython-310.pyc

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‎Backend/FastAPI/db/schemas/user.py

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# Clase en vídeo (22/12/2022): https://www.twitch.tv/videos/1686104006
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### User schema ###
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def user_schema(user) -> dict:
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return {"id": str(user["_id"]),
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"username": user["username"],
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"email": user["email"]}
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def users_schema(users) -> list:
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return [user_schema(user) for user in users]

‎Backend/FastAPI/main.py

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# Instala FastAPI: pip install "fastapi[all]"
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from fastapi import FastAPI
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from routers import products, users
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from routers import products, users, basic_auth_users, jwt_auth_users, users_db
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from fastapi.staticfiles import StaticFiles
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app = FastAPI()
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app.include_router(products.router)
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app.include_router(users.router)
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# Routers - Clase en vídeo (22/12/2022): https://www.twitch.tv/videos/1686104006
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app.include_router(basic_auth_users.router)
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app.include_router(jwt_auth_users.router)
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app.include_router(users_db.router)
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# Recursos estáticos - Clase en vídeo (14/12/2022): https://www.twitch.tv/videos/1679022882
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app.mount("/static", StaticFiles(directory="static"), name="static")
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‎Backend/FastAPI/routers/__pycache__/basic_auth_users.cpython-310.pyc

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‎Backend/FastAPI/routers/__pycache__/jwt_auth_users.cpython-310.pyc

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‎Backend/FastAPI/routers/__pycache__/users_db.cpython-310.pyc

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‎Backend/FastAPI/routers/basic_auth_users.py

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### Users API con autorización OAuth2 básica ###
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from fastapi import FastAPI, Depends, HTTPException, status
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from fastapi import APIRouter, Depends, HTTPException, status
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from pydantic import BaseModel
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from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
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app = FastAPI()
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router = APIRouter()
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oauth2 = OAuth2PasswordBearer(tokenUrl="login")
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return user
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@app.post("/login")
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@router.post("/login")
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async def login(form: OAuth2PasswordRequestForm = Depends()):
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user_db = users_db.get(form.username)
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if not user_db:
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return {"access_token": user.username, "token_type": "bearer"}
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@app.get("/users/me")
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@router.get("/users/me")
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async def me(user: User = Depends(current_user)):
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return user

‎Backend/FastAPI/routers/jwt_auth_users.py

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### Users API con autorización OAuth2 JWT ###
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from fastapi import FastAPI, Depends, HTTPException, status
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from fastapi import APIRouter, Depends, HTTPException, status
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from pydantic import BaseModel
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from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm
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from jose import jwt, JWTError
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ACCESS_TOKEN_DURATION = 1
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SECRET = "201d573bd7d1344d3a3bfce1550b69102fd11be3db6d379508b6cccc58ea230b"
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app = FastAPI()
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router = APIRouter()
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oauth2 = OAuth2PasswordBearer(tokenUrl="login")
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return user
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@app.post("/login")
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@router.post("/login")
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async def login(form: OAuth2PasswordRequestForm = Depends()):
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user_db = users_db.get(form.username)
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if not user_db:
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return {"access_token": jwt.encode(access_token, SECRET, algorithm=ALGORITHM), "token_type": "bearer"}
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@app.get("/users/me")
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@router.get("/users/me")
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async def me(user: User = Depends(current_user)):
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return user

‎Backend/FastAPI/routers/users_db.py

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# Clase en vídeo (22/12/2022): https://www.twitch.tv/videos/1686104006
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### Users DB API ###
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from fastapi import APIRouter, HTTPException, status
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from db.models.user import User
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from db.schemas.user import user_schema, users_schema
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from db.client import db_client
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from bson import ObjectId
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router = APIRouter(prefix="/userdb",
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tags=["userdb"],
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responses={status.HTTP_404_NOT_FOUND: {"message": "No encontrado"}})
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@router.get("/", response_model=list[User])
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async def users():
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return users_schema(db_client.local.users.find())
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@router.get("/{id}") # Path
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async def user(id: str):
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return search_user("_id", ObjectId(id))
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@router.get("/") # Query
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async def user(id: str):
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return search_user("_id", ObjectId(id))
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@router.post("/", response_model=User, status_code=status.HTTP_201_CREATED)
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async def user(user: User):
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if type(search_user("email", user.email)) == User:
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raise HTTPException(
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status_code=status.HTTP_404_NOT_FOUND, detail="El usuario ya existe")
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user_dict = dict(user)
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del user_dict["id"]
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id = db_client.local.users.insert_one(user_dict).inserted_id
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new_user = user_schema(db_client.local.users.find_one({"_id": id}))
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return User(**new_user)
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@router.put("/", response_model=User)
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async def user(user: User):
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user_dict = dict(user)
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del user_dict["id"]
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try:
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db_client.local.users.find_one_and_replace(
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{"_id": ObjectId(user.id)}, user_dict)
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except:
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return {"error": "No se ha actualizado el usuario"}
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return search_user("_id", ObjectId(user.id))
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@router.delete("/{id}", status_code=status.HTTP_204_NO_CONTENT)
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async def user(id: str):
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found = db_client.local.users.find_one_and_delete({"_id": ObjectId(id)})
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if not found:
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return {"error": "No se ha eliminado el usuario"}
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# Helper
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def search_user(field: str, key):
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try:
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user = db_client.local.users.find_one({field: key})
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return User(**user_schema(user))
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except:
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return {"error": "No se ha encontrado el usuario"}

‎README.md

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> ---
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> Estoy llevando a cabo un CURSO DESDE CERO gratis para aprender PYTHON en BACKEND.
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>
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> Veremos temas como:
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>
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> * API REST
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> * CRUD
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> * Autenticación
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> * Base de datos
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> * Despliegue en servidor
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>
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> **🔴 SIGUIENTE CLASE: Jueves 22 de Diciembre a las 20:00 (hora España)**
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> **🔴 SIGUIENTE CLASE: Miércoles 28 de Diciembre a las 20:00 (hora España)**
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> 🗓 En [Discord](https://discord.gg/mouredev) tienes creado un [evento](https://discord.gg/mouredev?event=1052999245826883626) para que consultes la hora de tu país y añadas un recordatorio.
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> 🗓 En [Discord](https://discord.gg/mouredev) tienes creado un [evento](https://discord.gg/mouredev?event=1055759221637009508) para que consultes la hora de tu país y añadas un recordatorio.
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>
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> Mientras, aprovecha para practicar unos [retos de programación](https://retosdeprogramacion.com/semanales2022) y así ir mejorando poco a poco.
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>
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* [Clase 2 - 01/12/2022 - Operaciones con GET y peticiones HTTP](https://www.twitch.tv/videos/1667582141)
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* [Clase 3 - 08/12/2022 - Operaciones con POST, PUT, DELETE, códigos HTTP y Routers](https://www.twitch.tv/videos/1673759045)
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* [Clase 4 - 14/12/2022 - Recursos estáticos y Autorización OAuth2](https://www.twitch.tv/videos/1679022882)
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* [Clase 5 - 22/12/2022 - Base de datos con MongoDB](https://www.twitch.tv/videos/1686104006)
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### Curso de fundamentos desde cero
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