Refactor with React hooks
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@ -20,4 +20,15 @@ export interface ProductFormState {
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},
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errors: string[],
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busy: boolean,
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}
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export function validateForm(form): string[] {
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let errors: string[] = [];
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if (!form.name) {
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errors.push("Name required");
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}
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if (!form.price) {
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errors.push("Price required");
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}
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return errors;
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}
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@ -1,66 +1,48 @@
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import React, { ChangeEvent } from 'react';
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import React, { useEffect, useState } from 'react';
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import { useRouter } from 'next/router';
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import { Layout } from '../shared/Layout';
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import { ProductClient } from '../../APIClient';
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import Swal from 'sweetalert2';
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import ProductForm from '../../components/ProductForm';
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import Errors from '../../components/Errors';
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import Link from 'next/link';
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import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
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import { faArrowLeft } from '@fortawesome/free-solid-svg-icons';
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import { ProductFormState } from '../../interfaces/product';
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import { validateForm } from '../../lib/product';
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class CreateProduct extends React.Component<{}, ProductFormState> {
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constructor(props) {
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super(props)
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this.state = {
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form: {
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name: "",
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price: 0,
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},
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errors: [],
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busy: false,
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}
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}
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onNameChanged(newName) {
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this.setState({
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form: {
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function Errors({ errors }) {
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return errors.map(x => (
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<li>{x}</li>
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));
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}
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function CreateProduct() {
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let [form, setForm] = useState({ name: "", price: 0 });
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let [busy, setBusy] = useState(false);
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let [errors,setErrors] = useState([""]);
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const onNameChanged = (newName: string) => {
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setForm(
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{
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name: newName,
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price: this.state.form.price,
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price: form.price,
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}
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);
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}
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const onPriceChanged = (newPrice: number) => {
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setForm({
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name: form.name,
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price: newPrice,
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});
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}
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onPriceChanged(newPrice) {
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this.setState({
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form: {
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name: this.state.form.name,
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price: newPrice
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}
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});
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}
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async validate() {
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let errors: string[] = [];
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if (!this.state.form.name) {
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errors.push("Name required");
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}
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if (!this.state.form.price) {
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errors.push("Price required");
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}
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await new Promise((resolve) => {
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this.setState({
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errors
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}, () => resolve(undefined));
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})
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const validate = () => {
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let errors: string[] = validateForm(form);
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setErrors(errors);
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return errors.length == 0;
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}
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async onSubmit() {
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if (await this.validate()) {
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await new Promise((resolve) => {
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this.setState({
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busy: true,
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}, () => resolve(undefined));
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})
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const onSubmit = async () => {
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if (validate()) {
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setBusy(true);
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try {
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const form = this.state.form;
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const client = new ProductClient();
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await client.post({
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name: form.name,
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@ -68,44 +50,37 @@ class CreateProduct extends React.Component<{}, ProductFormState> {
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})
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Swal.fire({
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title: "Submitted!",
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text: "Product is now in database",
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text: "Product is added in database",
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})
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} catch (error) {
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} finally {
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await new Promise((resolve) => {
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this.setState({
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busy: false,
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}, () => resolve(undefined));
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})
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setBusy(false);
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}
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}
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}
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render() {
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return (
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<div className="container mx-auto">
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<h1>Create Product</h1>
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<Link href="/product/">
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<a>
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<FontAwesomeIcon icon={faArrowLeft} /> Return to index
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</a>
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</Link>
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<ProductForm
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name={this.state.form.name}
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price={this.state.form.price}
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busy={this.state.busy}
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onNameChange={this.onNameChanged.bind(this)}
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onPriceChange={this.onPriceChanged.bind(this)}
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onSubmit={this.onSubmit.bind(this)} />
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<ul>
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<Errors errors={this.state.errors}></Errors>
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</ul>
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</div>
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)
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}
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}
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return (
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<div className="container mx-auto">
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<h1>Create Product</h1>
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<Link href="/product/">
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<a>
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<FontAwesomeIcon icon={faArrowLeft} /> Return to index
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</a>
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</Link>
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<ProductForm
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name={form.name}
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price={form.price}
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busy={busy}
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onNameChange={onNameChanged}
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onPriceChange={onPriceChanged}
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onSubmit={onSubmit} />
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<ul>
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<Errors errors={errors}></Errors>
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</ul>
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</div>
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);
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}
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export default function CreateProductPage() {
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return (
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@ -1,5 +1,5 @@
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import React, { ChangeEvent } from 'react';
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import { withRouter, NextRouter, useRouter } from 'next/router';
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import React, { useEffect, useState } from 'react';
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import { useRouter } from 'next/router';
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import { Layout } from '../../shared/Layout';
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import { ProductClient } from '../../../APIClient';
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import Swal from 'sweetalert2';
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@ -7,90 +7,69 @@ import ProductForm from '../../../components/ProductForm';
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import Link from 'next/link';
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import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
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import { faArrowLeft } from '@fortawesome/free-solid-svg-icons';
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import { ProductDataProps, ProductFormState } from '../../../interfaces/product';
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import { validateForm } from '../../../lib/product';
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function Errors({ errors }) {
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return errors.map(x => (
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<li>{x}</li>
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));
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}
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class EditProduct extends React.Component<ProductDataProps,ProductFormState> {
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constructor(props) {
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super(props)
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const id = props.productID;
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this.state = {
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form: {
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name: "",
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price: 0,
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},
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errors: [],
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busy: false,
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}
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function EditProduct({ productID }) {
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if (typeof productID != "string") {
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return (
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<div>
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</div>
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)
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}
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async componentDidMount() {
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let [form, setForm] = useState({ name: "", price: 0 });
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let [busy, setBusy] = useState(false);
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let [errors,setErrors] = useState([""]);
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const getInitialData = async() => {
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const client = new ProductClient();
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await new Promise((resolve) => {
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this.setState({
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busy: true,
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}, () => resolve(undefined));
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})
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if (this.props.productID) {
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let data = await client.get(this.props.productID);
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await new Promise((resolve) => {
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this.setState({
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busy: false,
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}, () => resolve(undefined));
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})
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this.setState({
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form: {
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name: data.name,
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price: data.price,
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}
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});
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}
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let data = await client.get(productID);
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setBusy(false);
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setForm(
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{
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name: data.name,
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price: data.price,
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}
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);
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}
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onNameChanged(newName: string) {
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this.setState({
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form: {
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// Startup
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useEffect(() => {
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setBusy(true);
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if (productID) {
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getInitialData();
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}
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}, [productID]);
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const onNameChanged = (newName: string) => {
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setForm(
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{
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name: newName,
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price: this.state.form.price,
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price: form.price,
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}
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);
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}
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const onPriceChanged = (newPrice: number) => {
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setForm({
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name: form.name,
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price: newPrice,
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});
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}
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onPriceChanged(newPrice: number) {
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this.setState({
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form: {
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name: this.state.form.name,
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price: newPrice,
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}
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});
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}
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async validate() {
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let errors: string[] = [];
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if (!this.state.form.name) {
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errors.push("Name required");
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}
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if (!this.state.form.price) {
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errors.push("Email required");
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}
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await new Promise((resolve) => {
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this.setState({
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errors
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}, () => resolve(undefined));
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})
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const validate = () => {
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let errors: string[] = validateForm(form);
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setErrors(errors);
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return errors.length == 0;
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}
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async onSubmit() {
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if (await this.validate()) {
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await new Promise((resolve) => {
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this.setState({
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busy: true,
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}, () => resolve(undefined));
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})
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const onSubmit = async () => {
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if (validate()) {
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setBusy(true);
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try {
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const form = this.state.form;
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const client = new ProductClient();
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await client.put(this.props.productID, {
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await client.put(productID, {
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name: form.name,
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price: form.price,
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})
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@ -101,43 +80,31 @@ class EditProduct extends React.Component<ProductDataProps,ProductFormState> {
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} catch (error) {
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} finally {
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await new Promise((resolve) => {
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this.setState({
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busy: false,
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}, () => resolve(undefined));
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})
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setBusy(false);
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}
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}
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}
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render() {
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if (typeof this.props.productID != "string") {
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return (
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<div>
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</div>
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)
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}
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return (
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<div className="container mx-auto">
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<h1>Edit Product</h1>
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<Link href="/product/">
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<a>
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<FontAwesomeIcon icon={faArrowLeft} /> Return to index
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return (
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<div className="container mx-auto">
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<h1>Edit Product</h1>
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<Link href="/product/">
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<a>
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<FontAwesomeIcon icon={faArrowLeft} /> Return to index
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</a>
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</Link>
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<ProductForm
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name={this.state.form.name}
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price={this.state.form.price}
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busy={this.state.busy}
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onNameChange={this.onNameChanged.bind(this)}
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onPriceChange={this.onPriceChanged.bind(this)}
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onSubmit={this.onSubmit.bind(this)} />
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<ul>
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<Errors errors={this.state.errors}></Errors>
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</ul>
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</div>
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)
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}
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</Link>
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<ProductForm
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name={form.name}
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price={form.price}
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busy={busy}
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onNameChange={onNameChanged}
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onPriceChange={onPriceChanged}
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onSubmit={onSubmit} />
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<ul>
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<Errors errors={errors}></Errors>
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</ul>
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</div>
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);
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}
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export default function EditProductPage() {
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@ -7,7 +7,7 @@ import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
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import { faEdit, faTrash } from '@fortawesome/free-solid-svg-icons';
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import { useRouter } from 'next/router';
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import Link from 'next/link';
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import { DeleteProductProps, ProductDataProps, ProductListRowsProps, ProductState } from '../../interfaces/product';
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import { DeleteProductProps, ProductDataProps, ProductListRowsProps, ProductState } from '../../lib/product';
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const DeleteProductButton: React.FunctionComponent<DeleteProductProps> = ({ productID, onDelete }) => {
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const onClickDelete = async () => {
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@ -18,7 +18,7 @@ const NavLink: React.FunctionComponent<{href: string}> = ({href, children}) => {
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if(active) {
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return "page";
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} else {
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return null;
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return undefined;
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}
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}
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const active = router.pathname == href;
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@ -26,7 +26,7 @@ const NavLink: React.FunctionComponent<{href: string}> = ({href, children}) => {
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return (
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<li className='nav-item active'>
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<Link href={href}>
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<a className={NavLinkClasses(active)} aria-current={NavLinkCurrent}>{children}</a>
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<a className={NavLinkClasses(active)} aria-current={NavLinkCurrent(active)}>{children}</a>
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</Link>
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</li>
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);
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@ -53,6 +53,8 @@ const NavBar: React.FunctionComponent<{}> = () => {
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<ul className='navbar-nav mr-auto'>
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<NavLink href="/">Home</NavLink>
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<NavLink href="/todo">Todo</NavLink>
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<NavLink href="/customer">Customer</NavLink>
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<NavLink href="/product">Product</NavLink>
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</ul>
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</div>
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</nav>
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