パスワード リセット機能: フロントエンド

// src/components/PasswordResetModal.tsx
import React, { useState } from "react"
import AuthForm from "./AuthForm";
import FormInput from "./FormInput";
import Box from "./Box";
import { useAxios } from "../hooks/useAxios";

interface FormData {
    email: string,
    new_password: string,
    otp: string,
}

interface Props {
    isVisible: boolean,
    onClose: () => void,
}

const PasswordResetModal: React.FC<Props> = ({ isVisible, onClose }) => {
    const [formData, setFormData] = useState<FormData>({
        email: "",
        new_password: "",
        otp: ""
    });
    const [isLoading, setLoading] = useState<boolean>(false);
    const [isOTPSent, setOTPSent] = useState<boolean>(false);
    const { apiReq } = useAxios();

    const handleClose = (e: React.MouseEvent<HTMLDivElement, MouseEvent>) => {
        if ((e.target as HTMLElement).id === "wrapper") {
            onClose();

            // could have setOTPSent(false), but avoiding it in case user misclicks outside
        }
    };

    const handleChange = (e: React.ChangeEvent<HTMLInputElement>) => {
        const { name, value } = e.target;
        setFormData({
            ...formData,
            [name]: value,
        });
    };

    const handleSubmit = async (e: React.FormEvent<HTMLFormElement>) => {
        e.preventDefault();
        setLoading(true);

        if (!isOTPSent) { // first request for sending otp,
            const response = await apiReq<unknown, FormData>("post", "/api/reset-password", formData)

            if (response) {
                alert("OTP has been sent to your email");
                setOTPSent(true);
            }
        } else { // then using otp to change password
            const response = await apiReq<unknown, FormData>("put", "/api/reset-password", formData)

            if (response) {
                alert("Password has been successfully reset\nPlease log in again");

                // clear the form
                setFormData({
                    email: "",
                    otp: "",
                    new_password: "",
                })

                // close modal
                onClose();
            }
        }

        setLoading(false);
    };

    if (!isVisible) return null;

    return (
        <div
            id="wrapper"
            className="fixed inset-0 bg-black bg-opacity-25 backdrop-blur-sm flex justify-center items-center"
            onClick={handleClose}>
            <Box title="Password Reset">
                <AuthForm
                    submitHandler={handleSubmit}
                    isLoading={isLoading}
                    buttonText={isOTPSent ? "Change Password" : "Send OTP"}>
                    <FormInput
                        id="email"
                        label="Your email"
                        type="email"
                        value={formData.email}
                        changeHandler={handleChange}
                        isRequired />

                    {isOTPSent && (<>
                        <FormInput
                            id="otp"
                            label="OTP"
                            type="text"
                            value={formData.otp}
                            changeHandler={handleChange}
                            isRequired />
                        <FormInput
                            id="new_password"
                            label="New Password"
                            type="password"
                            value={formData.new_password}
                            changeHandler={handleChange}
                            isRequired />
                    </>)}
                </AuthForm>
            </Box>
        </div>
    )
}

export default PasswordResetModal

// src/pages/auth/Login.tsx
import PasswordResetModal from "../../components/PasswordResetModal";

const Login: React.FC = () => {
    const [showModal, setShowModal] = useState<boolean>(false);

    return (
        <Section>
            <Box title="Login">
                <div className="grid grid-flow-col">
                    {/* link to the register page here */}
                    <button 
                    type="button"
                    onClick={() => setShowModal(true)}
                    className="text-blue-700 hover:text-white border border-blue-700 hover:bg-blue-800 focus:ring-4 focus:outline-none focus:ring-blue-300 font-medium rounded-lg text-sm px-3 py-2 text-center me-2 mb-2 dark:border-blue-500 dark:text-blue-500 dark:hover:text-white dark:hover:bg-blue-500 dark:focus:ring-blue-800">
                        Forgot Password?
                    </button>

                    <PasswordResetModal isVisible={showModal} onClose={() => setShowModal(false)} />
                </div>
            </Box>
        </Section>
    )