les_65_fastApi_templates.py

from fastapi import FastAPI, Request, HTTPException
from fastapi.responses import HTMLResponse
from fastapi.templating import Jinja2Templates
from pydantic import BaseModel
from typing import List

app = FastAPI()

templates = Jinja2Templates(directory="templates")

users = []

#uvicorn les_65_fastApi_templates:app --reload

class User(BaseModel):
    id: int
    username: str
    age: int


@app.get("/", response_class=HTMLResponse)
async def read_users(request: Request):
    return templates.TemplateResponse("users.html", {"request": request, "users": users})


@app.get("/users/{user_id}", response_class=HTMLResponse)
async def get_user(request: Request, user_id: int):
    for user in users:
        if user.id == user_id:
            return templates.TemplateResponse("users.html", {"request": request, "user": user})

    raise HTTPException(status_code=404, detail="User was not found")


@app.post("/user/{username}/{age}", response_model=User)
async def create_user(username: str, age: int):
    user_id = 1 if not users else users[-1].id + 1
    new_user = User(id=user_id, username=username, age=age)
    users.append(new_user)
    return new_user

@app.put("/user/{user_id}/{username}/{age}", response_model=User)
async def update_user(user_id: int, username: str, age: int):
    for user in users:
        if user.id == user_id:
            user.username = username
            user.age = age
            return user
    raise HTTPException(status_code=404, detail="User was not found")


@app.delete("/user/{user_id}", response_model=User)
async def delete_user(user_id: int):
    for user in users:
        if user.id == user_id:
            users.remove(user)
            return user
    raise HTTPException(status_code=404, detail="User was not found")