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- function createStore(reducer) {
- let state = reducer(undefined, {}) //стартовая инициализация состояния, запуск редьюсера со state === undefined
- let cbs = [] //массив подписчиков
- const getState = () => state //функция, возвращающая переменную из замыкания
- const subscribe = cb => (cbs.push(cb), //запоминаем подписчиков в массиве
- () => cbs = cbs.filter(c => c !== cb)) //возвращаем функцию unsubscribe, которая удаляет подписчика из списка
- const dispatch = action => {
- if (typeof action === 'function') { //если action - не объект, а функция
- return action(dispatch, getState) //запускаем эту функцию и даем ей dispatch и getState для работы
- }
- const newState = reducer(state, action) //пробуем запустить редьюсер
- if (newState !== state) { //проверяем, смог ли редьюсер обработать action
- state = newState //если смог, то обновляем state
- for (let cb of cbs) cb() //и запускаем подписчиков
- }
- }
- return {
- getState, //добавление функции getState в результирующий объект
- dispatch,
- subscribe //добавление subscribe в объект
- }
- }
- function promiseReducer(state = {}, { type, name, status, payload, error }) {
- if (type === 'PROMISE') {
- return {
- ...state,
- [name]: { status, payload, error }
- }
- }
- return state
- }
- const jwtDecode = token => {
- try {
- let [, payload] = token.split(".");
- let payloadParsed = JSON.parse(atob(payload));
- return payloadParsed;
- }
- catch (e) {
- console.log(e);
- }
- }
- function authReducer(state, { type, token }) {
- if (state === undefined) {
- if (localStorage.authToken) {
- type = "AUTH_LOGIN";
- token = localStorage.authToken;
- } else {
- return {};
- }
- }
- if (type === 'AUTH_LOGIN') {
- let payload = jwtDecode(token);
- if (payload) {
- localStorage.authToken = token;
- return { token, payload };
- }
- }
- if (type === 'AUTH_LOGOUT') {
- localStorage.authToken = "";
- return {};
- }
- return state;
- }
- function combineReducers(reducers) {
- return (state = {}, action) => {
- const newState = {}
- for (const [reducerName, reducer] of Object.entries(reducers)) {
- let newSubState = reducer(state[reducerName], action)
- if (newSubState !== state[reducerName]) {
- newState[reducerName] = newSubState
- }
- }
- if (Object.keys(newState).length !== 0) {
- return { ...state, ...newState }
- } else {
- return state
- }
- }
- }
- function cartReducer(state = {}, { type, good = {}, count = 1 }) {
- //каков state
- //{
- // _id1: {count:1, good: {_id1, name, price, images}}
- // _id2: {count:1, good: {_id1, name, prica, images}}
- //}
- //
- const { _id } = good;
- if (type === 'CART_ADD') {
- return {
- ...state,
- [_id]: { count: (state[_id] ? (state[_id].count += count) : count), good: good }
- }
- }
- if (type === 'CART_CHANGE') {
- return {
- ...state,
- [_id]: { count: count, good: good }
- }
- }
- if (type === 'CART_DELETE') {
- let newState = { ...state };
- delete newState[_id];
- // const {_id, ...newState} = state;
- return {
- ...newState,
- }
- }
- if (type === 'CART_CLEAR') {
- return {}
- }
- return state;
- }
- const store = createStore(combineReducers({
- promise: promiseReducer,
- auth: authReducer, cart: cartReducer
- }));
- const actionCartAdd = (good, count = 1) => ({ type: 'CART_ADD', good, count });
- const actionCartChange = (good, count = 1) => ({ type: 'CART_CHANGE', good, count });
- const actionCartDelete = (good) => ({ type: 'CART_DELETE', good });
- const actionCartClear = () => ({ type: 'CART_CLEAR' });
- const cartEl = document.getElementsByClassName("cartN")[0];
- let username;
- const loginEl = document.getElementsByClassName("loginQ")[0];
- const logoEl = document.getElementById("logo");
- // const store = createStore(promiseReducer) //не забудьте combineReducers если он у вас уже есть
- store.subscribe(() => console.log(store.getState()));
- const actionPending = name => ({ type: 'PROMISE', name, status: 'PENDING' });
- const actionFulfilled = (name, payload) => ({ type: 'PROMISE', name, status: 'FULFILLED', payload });
- const actionRejected = (name, error) => ({ type: 'PROMISE', name, status: 'REJECTED', error });
- const actionAuthLogin = (token) => ({ type: 'AUTH_LOGIN', token });
- const actionAuthLogout = () => ({ type: 'AUTH_LOGOUT' });
- const actionPromise = (name, promise) =>
- async dispatch => {
- dispatch(actionPending(name))
- try {
- let payload = await promise
- dispatch(actionFulfilled(name, payload))
- return payload
- }
- catch (error) {
- dispatch(actionRejected(name, error))
- }
- }
- const getGQL = url =>
- (query, variables) => fetch(url, {
- method: 'POST',
- headers: {
- "Content-Type": "application/json",
- ...(localStorage.authToken ? { "Authorization": "Bearer " + localStorage.authToken } : {})
- },
- body: JSON.stringify({ query, variables })
- }).then(res => res.json())
- .then(data => {
- if (data.data) {
- return Object.values(data.data)[0]
- }
- else throw new Error(JSON.stringify(data.errors))
- })
- const backendURL = "http://shop-roles.node.ed.asmer.org.ua";
- const gql = getGQL(backendURL + '/graphql')
- const actionRootCats = () =>
- actionPromise('rootCats', gql(`query {
- CategoryFind(query: "[{\\"parent\\":null}]"){
- _id name
- }
- }`))
- const actionCatById = (_id) =>
- actionPromise(
- 'catById',
- gql(
- `query catById($q: String){
- CategoryFindOne(query: $q){
- subCategories{
- name _id goods {
- _id
- name
- }
- }
- _id name goods {
- _id name price images {
- url
- }
- }
- }
- }`, { q: JSON.stringify([{ _id }]) }));
- const actionGoodById = (_id) =>
- actionPromise('goodById', gql(`query goodz($q: String){
- GoodFindOne(query: $q) {
- _id name price description
- images{
- url
- }
- categories{
- name
- }
- }
- }`, { q: JSON.stringify([{ _id }]) }));
- const orderHistory = () =>
- actionPromise(
- 'history',
- gql(` query OrderFind{
- OrderFind(query:"[{}]"){
- _id total createdAt orderGoods{
- count good{
- _id name price images{
- url
- }
- }
- owner{
- _id login
- }
- }
- }
- }
- `));
- const actionLogin = (login, password) =>
- actionPromise(
- 'login',
- gql(
- `query log($login: String, $password: String) {
- login(login: $login, password: $password)
- }`,
- { login: login, password: password }
- )
- );
- const actionFullLogin = (login, password) => async (dispatch) => {
- let token = await dispatch(actionLogin(login, password));
- console.log(token);
- if (token) {
- dispatch(actionAuthLogin(token));
- }
- alerting();
- };
- const actionRegister = (login, password) =>
- actionPromise(
- 'register',
- gql(
- `mutation register ($login:String, $password:String){
- UserUpsert(user:{login:$login, password:$password}){
- _id login
- }
- }`,
- { login: login, password: password }
- )
- );
- const actionOrder = () => async (dispatch, getState) => {
- let { cart } = getState();
- const orderGoods = Object.entries(cart).map(([_id, { count }]) => ({ good: { _id }, count, }));
- let result = await dispatch(
- actionPromise(
- 'order',
- gql(
- `
- mutation newOrder($order:OrderInput){
- OrderUpsert(order:$order)
- { _id total }
- }
- `,
- { order: { orderGoods } }
- )
- )
- );
- if (result?._id) {
- dispatch(actionCartClear());
- document.location.hash = "#/cart/";
- alert("Поздравляем, вы оформили заказ!");
- }
- };
- const actionFullRegister = (login, password) => async (dispatch) => {
- let id = await dispatch(actionRegister(login, password));
- // console.log(id);
- alertingReg(id, login);
- if (id) {
- dispatch(actionFullLogin(login, password));
- }
- };
- store.dispatch(actionRootCats());
- store.subscribe(() => {
- const { rootCats } = store.getState().promise
- if (rootCats?.payload) {
- aside.innerHTML = ''
- for (const { _id, name } of rootCats?.payload) {
- const link = document.createElement('a')
- link.href = `#/category/${_id}`
- link.innerText = name
- aside.append(link)
- }
- }
- })
- window.onhashchange = () => {
- const [, route, _id] = location.hash.split('/')
- const routes = {
- category() {
- store.dispatch(actionCatById(_id));
- },
- good() {
- // console.log("good")
- //задиспатчить actionGoodById
- // console.log('ТОВАРОСТРАНИЦА')
- store.dispatch(actionGoodById(_id));
- },
- login() {
- main.innerHTML = `<h2>Для осуществления заказов:<br>если вы зарегистрированы,
- введите логин и пароль и нажмите Войти;<br>если не зарегистрированы - нужно зарегистрироваться</h2>`;
- const formEl = document.createElement("div");
- const p1el = document.createElement("p");
- const p2el = document.createElement("p");
- const p3el = document.createElement("p");
- const br1El = document.createElement("br");
- const br2El = document.createElement("br");
- const br3El = document.createElement("br");
- const input1El = document.createElement("input");
- const input2El = document.createElement("input");
- const buttonLogEl = document.createElement("button");
- const buttonRegEl = document.createElement("button");
- const buttonLogOutEl = document.createElement("button");
- p1el.innerText = "Введите логин:";
- p2el.innerText = "Введите пароль:";
- input1El.id = "inputLogin";
- input2El.id = "inputPassword";
- input2El.type = "password";
- buttonLogEl.innerText = "Войти";
- buttonRegEl.innerText = "Зарегистрироваться";
- buttonLogOutEl.innerText = "Выйти";
- if (username) {
- buttonLogEl.disabled = true;
- buttonRegEl.disabled = true;
- }
- buttonLogEl.onclick = () => {
- store.dispatch(actionFullLogin(input1El.value, input2El.value));
- // if (username) location.hash = "#/goods";
- }
- buttonRegEl.onclick = () => {
- store.dispatch(actionFullRegister(input1El.value, input2El.value));
- }
- buttonLogOutEl.onclick = () => {
- store.dispatch(actionAuthLogout());
- username = "";
- document.location.hash = "#/login/";
- }
- formEl.append(p1el, input1El, p2el, input2El, br1El, br2El, buttonLogEl, buttonLogOutEl, buttonRegEl);
- main.append(formEl);
- //по кнопке - store.dispatch(actionFullLogin(login, password))
- },
- register() {
- //отрисовка тут
- //по кнопке - store.dispatch(actionFullRegister(login, password))
- },
- dashboard() {
- store.dispatch(orderHistory());
- },
- cart() {
- const cart = store.getState().cart;
- if (Object.entries(cart).length > 0) {
- main.innerHTML = `<h2>Содержимое вашей корзины</h2>`;
- const { cart } = store.getState();
- let totalScore = 0;
- let totalCount = 0;
- const tableCartEl = document.createElement("table");
- const trEl = document.createElement("tr");
- const td1El = document.createElement("td");
- const td2El = document.createElement("td");
- const td3El = document.createElement("td");
- const td4El = document.createElement("td");
- const td5El = document.createElement("td");
- td1El.innerText = "Удалить";
- td2El.innerText = "Наименование товара";
- td3El.innerText = "Цена";
- td4El.innerText = "Количество";
- td5El.innerText = "Изменить";
- trEl.append(td1El, td2El, td3El, td4El, td5El);
- tableCartEl.append(trEl);
- if (Object.entries(cart).length > 0) {
- for (let [key, value] of Object.entries(cart)) {
- const { count, good } = value;
- const { name, _id, price } = good;
- const buttonDel = document.createElement("button");
- const buttonMinus = document.createElement("button");
- const buttonPlus = document.createElement("button");
- buttonMinus.innerText = "-";
- buttonPlus.innerText = "+";
- buttonDel.innerText = "Удалить";
- buttonMinus.onclick = () => {
- if (count == 1) {
- store.dispatch(actionCartDelete({ _id, name, price }));
- } else {
- store.dispatch(actionCartChange({ _id, name, price }, count - 1));
- }
- document.location.hash = `#/cart/${_id}/${count}`
- }
- buttonPlus.onclick = () => {
- store.dispatch(actionCartChange({ _id, name, price }, count + 1));
- document.location.hash = `#/cart/${_id}/${count}`
- }
- buttonDel.onclick = () => {
- store.dispatch(actionCartDelete({ _id, name, price }));
- document.location.hash = `#/cart/${_id}`;
- }
- const trEl = document.createElement("tr");
- const td1El = document.createElement("td");
- const td2El = document.createElement("td");
- const td3El = document.createElement("td");
- const td4El = document.createElement("td");
- const td5El = document.createElement("td");
- td1El.append(buttonDel);
- td2El.innerText = name;
- td3El.innerText = price;
- td4El.innerText = count;
- td5El.append(buttonMinus, buttonPlus);
- trEl.append(td1El, td2El, td3El, td4El, td5El);
- tableCartEl.append(trEl);
- totalScore += price * count;
- totalCount += count;
- }
- const trEl = document.createElement("tr");
- const td1El = document.createElement("td");
- const td2El = document.createElement("td");
- const td3El = document.createElement("td");
- const td4El = document.createElement("td");
- const td5El = document.createElement("td");
- td1El.innerText = "";
- td2El.innerText = "";
- td3El.innerText = totalScore;
- td4El.innerText = totalCount;
- td5El.innerText = "";
- trEl.append(td1El, td2El, td3El, td4El, td5El);
- tableCartEl.append(trEl);
- }
- main.append(tableCartEl);
- const buttonCartClear = document.createElement("button");
- const buttonSend = document.createElement("button");
- const buttonHistory = document.createElement("button");
- buttonSend.innerText = "Отправить заказ";
- buttonCartClear.innerText = "Очистить корзину";
- buttonHistory.innerText = "История заказов";
- buttonSend.onclick = () => {
- store.dispatch(actionOrder());
- }
- buttonCartClear.onclick = () => {
- store.dispatch(actionCartClear());
- document.location.hash = "#/cart/";
- }
- buttonHistory.onclick = () => {
- document.location.hash = "#/dashboard";
- }
- main.append(buttonSend, buttonCartClear, buttonHistory);
- } else {
- main.innerHTML = `<h2>Ваша корзина пуста...</h2><a href="#/dashboard">история заказов</a>`;
- }
- },
- }
- if (route in routes)
- routes[route]()
- }
- window.onhashchange()
- store.subscribe(() => {
- const { catById } = store.getState().promise;
- const [, route, _id] = location.hash.split('/');
- if (catById?.payload && route === 'category') {
- const { name } = catById.payload
- main.innerHTML = `<h1>${name}</h1>`
- if (catById.payload.subCategories) {
- for (const { _id, name } of catById.payload.subCategories) {
- const card = document.createElement('div')
- card.innerHTML = `<a href="#/category/${_id}"><h2>${name}</h2></a>`;
- main.append(card);
- }
- }
- for (const { _id, name, price, images } of catById.payload.goods) {
- const card = document.createElement('div')
- card.innerHTML = `<h2>${name}</h2>
- <img src="${backendURL}/${images[0].url}" /><br>
- <strong>Цена: ${price} грн</strong><br>
- <button onclick="store.dispatch(actionCartAdd({_id: '${_id}',
- name: '${name}', price: '${price}'}))">Купить</button>
- <a href="#/good/${_id}">описание товара</a>`
- main.append(card)
- }
- }
- })
- store.subscribe(() => {
- const { goodById } = store.getState().promise;
- const [, route, _id] = location.hash.split('/');
- //ТУТ ДОЛЖНА БЫТЬ ПРОВЕРКА НА НАЛИЧИЕ goodById в редакс
- //и проверка на то, что сейчас в адресной строке адрес ВИДА #/good/АЙДИ
- //в таком случае очищаем main и рисуем информацию про товар с подробностями
- if (goodById?.payload && route === 'good') {
- const { _id, name, price, description, images } = goodById.payload;
- main.innerHTML = `<h2>${name}</h2>`;
- const card = document.createElement('div');
- card.innerHTML = `<img src="${backendURL}/${images[0].url}" /><br>
- <strong>Цена: ${price} грн</strong><br>
- <button onclick="store.dispatch(actionCartAdd({_id: '${_id}',
- name: '${name}', price: '${price}'}))">Купить</button>
- <p>Описание товара:</p>
- <p>${description}</p>
- `
- main.append(card);
- }
- })
- store.subscribe(() => {
- const { cart } = store.getState();
- // console.log(cart);
- let numInCart = 0;
- if (Object.entries(cart).length > 0) {
- for (let [key, value] of Object.entries(cart)) {
- const { count } = value;
- numInCart += count;
- }
- }
- cartEl.innerText = numInCart;
- //достаем всю корзину
- //считаем общее количество всех позиций (3 айфона + 7 пицц = 10)
- //выводим число в кошик на странице через его HTML id
- });
- store.subscribe(() => {
- const { auth } = store.getState();
- // const [,route,] = location.hash.split('/');
- if (Object.keys(auth).length !== 0) {
- username = auth?.payload.sub.login;
- }
- if (localStorage.authToken) {
- // console.log("login");
- loginEl.innerText = "";
- logoEl.innerHTML = `\n <h1>${username}, добро пожаловать в интернет магазин NotРОЗЕТКА</h1>\n `
- } else {
- // console.log("logout");
- loginEl.innerText = "?";
- logoEl.innerHTML = `\n <h1>Добро пожаловать в интернет магазин</h1>\n `
- }
- });
- //store.dispatch(actionPromise('delay1000', delay(1000)))
- //store.dispatch(actionPromise('delay2000', delay(2000)))
- //store.dispatch(actionPromise('failedfetch', fetch('https://swapi.dev/api/people/1/')
- //.then(res => res.json())))
- store.subscribe(() => {
- const { history } = store.getState().promise;
- const [, route] = location.hash.split('/');
- if (history?.payload && route === 'dashboard') {
- main.innerHTML = "<p><b>История ваших заказов:</b></p>";
- const card = document.createElement('div');
- for (let [key, value] of Object.entries(history.payload)) {
- const { _id, createdAt, total, orderGoods } = value;
- const p1El = document.createElement("p");
- const dateOfOrder = new Date(+createdAt);
- p1El.innerHTML = `${dateOfOrder.toLocaleDateString()} ${dateOfOrder.toLocaleTimeString()}
- Заказ ID: ${_id} от , c ${orderGoods.length} товарами на сумму ${total} грн`;
- card.append(p1El);
- }
- if (Object.keys(history.payload).length == 0) {
- const p1El = document.createElement("p");
- p1El.innerHTML = "<p>Вы раньше еще ничего не заказывали</p>";
- card.append(p1El);
- }
- main.append(card);
- }
- });
- function alerting() {
- const { auth } = store.getState();
- if (Object.keys(auth).length !== 0) {
- username = auth?.payload.sub.login;
- }
- if (username) {
- alert(`${username}, вы успешно зашли на сайт!`);
- document.location.hash = "#/category/5dc49f4d5df9d670df48cc64";
- } else {
- alert("Вы ввели неправильно логин или пароль!");
- }
- }
- function alertingReg(id, login) {
- if (id) {
- alert(`Вы успешно зарегистрировались с логином ${login}`);
- } else {
- alert(`Логин ${login} уже занят, прыдумайте другой!`);
- }
- }
|