meals-made-easy-app/src/routes/login.tsx
2024-08-08 12:40:50 -05:00

74 lines
2.5 KiB
TypeScript

import { createFileRoute, redirect, useNavigate, useRouter, useSearch } from '@tanstack/react-router'
import { FormEvent, useState } from 'react'
import { z } from 'zod'
import login from '../api/login'
import { useAuth } from '../auth'
const Login = () => {
const auth = useAuth()
const [error, setError] = useState<string | null>(null)
const router = useRouter()
const navigate = useNavigate()
const { redirect, reason } = useSearch({ from: '/login' })
const onSubmit = async (event: FormEvent<HTMLFormElement>) => {
event.preventDefault()
const formData = new FormData(event.currentTarget)
const username = (formData.get('username') as string | null) ?? ''
const password = (formData.get('password') as string | null) ?? ''
const loginResult = await login(username, password)
if (loginResult._tag === 'success') {
auth.putToken(loginResult.loginView.accessToken, loginResult.loginView.username, async () => {
await router.invalidate()
await navigate({
to: redirect ?? '/recipes',
search: {}
})
})
} else {
setError(loginResult.error)
}
}
let message: string | null = null
if (reason !== undefined) {
if (reason === 'INVALID_REFRESH_TOKEN' || reason === 'EXPIRED_REFRESH_TOKEN') {
message = 'Your session has expired. Please login again.'
} else {
message = 'Please login to view this page.'
}
}
return (
<div>
<h2>Login Page</h2>
{message !== null ? <p>{message}</p> : null}
<form onSubmit={onSubmit}>
<label htmlFor="username">Username</label>
<input id="username" name="username" type="text" />
<label htmlFor="password">Password</label>
<input id="password" name="password" type="password" />
<input type="submit" />
{error ? <p>{error}</p> : <p> </p>}
</form>
</div>
)
}
export const Route = createFileRoute('/login')({
validateSearch: z.object({
reason: z.enum(['INVALID_REFRESH_TOKEN', 'EXPIRED_REFRESH_TOKEN', 'NO_REFRESH_TOKEN']).optional(),
redirect: z.string().optional().catch('')
}),
beforeLoad({ context, search }) {
if (search.reason === undefined && context.auth.token !== null) {
throw redirect({ to: '/recipes' })
}
},
component: Login
})