main.py

# Python

from uuid import UUID
from datetime import date, datetime
from typing import Optional

# Pydantic

from pydantic import BaseModel
from pydantic import EmailStr 
from pydantic import Field

# FastAPI

from fastapi import FastAPI



app = FastAPI()


#Models

class UserBase(BaseModel):
    user_id: UUID = Field(...)
    email: EmailStr = Field(...)

class UserLogin(UserBase):
    password: str = Field(
        ...,
        min_length=8,
        max_length=64,
    )

class User(UserBase):
    first_name: str = Field(
        ...,
        min_length=1,
        max_length=50,
    )
    last_name: str = Field(
        ...,
        min_length=1,
        max_length=50,
    )
    date_of_birth: Optional[date] = Field(default=None)

class Tweet(BaseModel):
    tweet_id:UUID = Field(...)
    content: str = Field(
        ...,
        max_length=256,
        min_length=1
    )
    created_at: datetime = Field(default=datetime.now())
    update_at:  Optional [datetime] = Field(default=None)
    by: User = Field(...)


@app.get(path='/')
def home():
    return {'Twitter API': 'Working' }