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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 combineReducers(reducers) {
- return (state={}, action) => {
- const newState = {}
- // перебрать все редьюсеры
- if (reducers) {
- for (const [reducerName, reducer] of Object.entries(reducers)) {
- const newSubState = reducer(state[reducerName], action)
- if (newSubState !== state[reducerName]) {
- newState[reducerName] = newSubState
- }
- }
- // если newState не пустой, то вернуть стейт в
- if (Object.keys(newState).length !== 0) {
- return {...state, ...newState}
- } else {
- return state
- }
- }
- }
- }
- const combinedReducer = combineReducers({promise: promiseReducer, auth: authReducer})
- const store = createStore(combinedReducer)
- // console.log(store.getState()) // {promise: {}, auth: {}}
- function jwtDecode(token) {
- try {
- let decoded = JSON.parse(atob(token.split('.')[1]))
- return decoded
- } catch (err) {
- console.log(err)
- }
- }
- function authReducer(state, {type, token}) {
- if (!state) {
- if (localStorage.authToken) {
- token = localStorage.authToken
- type = 'AUTH_LOGIN'
- } else {
- return {}
- }
- }
- if (type === 'AUTH_LOGIN') {
- let payload = jwtDecode(token)
- if (typeof payload === 'object') {
- localStorage.authToken = token
- return {
- ...state,
- token,
- payload
- }
- } else {
- return state
- }
- }
- if (type === 'AUTH_LOGOUT') {
- delete localStorage.authToken
- return {}
- }
- return state
- }
- const actionAuthLogin = (token) => ({type: 'AUTH_LOGIN', token})
- const actionAuthLogout = () => ({type: 'AUTH_LOGOUT'})
- // const loginStore = createStore(authReducer)
- store.subscribe(() => console.log(store.getState()))
- // const inputToken = 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOnsiaWQiOiI2MWE0ZGIyOWM3NTBjMTJiYTZiYTQwMjIiLCJsb2dpbiI6ImVxd2VxZXdldyIsImFjbCI6WyI2MWE0ZGIyOWM3NTBjMTJiYTZiYTQwMjIiLCJ1c2VyIl19LCJpYXQiOjE2MzgxOTQ1NzZ9.Pi1GO6x7wdNrIrUKCQT-32-SsqmgFY-oFDrrXmw74-8'
- // loginStore.dispatch(actionAuthLogin(inputToken))
- // loginStore.dispatch(actionAuthLogout())
- // console.log(store.getState())
- function promiseReducer(state={}, {type, status, payload, error, name}) {
- if (!state) {
- return {}
- }
- if (type === 'PROMISE') {
- return {
- ...state,
- [name]: {
- status: status,
- payload : payload,
- error: error,
- }
- }
- }
- return state
- }
- const actionPending = (name) => ({type: 'PROMISE', status: 'PENDING', name})
- const actionResolved = (name, payload) => ({type: 'PROMISE', status: 'RESOLVED', name, payload})
- const actionRejected = (name, error) => ({type: 'PROMISE', status: 'REJECTED', name, error})
- // const promiceStore = createStore(promiseReducer)
- // store.subscribe(() => console.log(store.getState()))
- // const delay = (ms) => new Promise((ok) => setTimeout(() => ok(ms), ms))
- // // store.dispatch(actionPending('delay1000'))
- // // delay(1000).then(data => store.dispatch(actionResolved('delay1000', data)),
- // // error => store.dispatch(actionRejected('delay1000', error)))
- // // store.dispatch(actionPending('delay2000'))
- // // delay(2000).then(data => store.dispatch(actionResolved('delay2000', data)),
- // // error => store.dispatch(actionRejected('delay2000', error)))
- const actionPromise = (name, promise) =>
- async (dispatch) => {
- dispatch(actionPending(name))
- try {
- let data = await promise
- dispatch(actionResolved(name, data))
- return data
- }
- catch(error){
- dispatch(actionRejected(name, error))
- }
- }
- const getGQL = url =>
- async (query, variables={}) => {
- // try {
- let obj = await fetch(url, {
- method: 'POST',
- headers: {
- "Content-Type": "application/json",
- ...(localStorage.authToken ? {Authorization: "Bearer " + localStorage.authToken} : {})
- },
- body: JSON.stringify({ query, variables })
- })
- let a = await obj.json()
- if (!a.data && a.errors) {
- throw new Error(JSON.stringify(a.errors))
- } else {
- return a.data[Object.keys(a.data)[0]]
- }
- // }
- // catch (error) {
- // console.log('Что-то не так, Бро ' + error);
- // }
- }
- const backURL = 'http://shop-roles.asmer.fs.a-level.com.ua/'
- const gql = getGQL(backURL + 'graphql');
- const actionLogin = (login, password) => (
- actionPromise('login', gql(`query log($login: String, $password: String) {
- login(login: $login, password: $password)
- }`, {login, password}))
- )
- const actionFullLogin = (login, password) => (
- async (dispatch) => {
- let token = await dispatch(actionLogin(login, password))
- if (token) {
- // console.log(token)
- dispatch(actionAuthLogin(token))
- }
- }
- )
- const actionRegister = (login, password) => (
- actionPromise('register', gql(`mutation reg($user:UserInput) {
- UserUpsert(user:$user) {
- _id
- }
- }
- `, {user: {login, password}})
- )
- )
- const actionFullRegister = (login, password) => (
- async (dispatch) => {
- let regId = await dispatch(actionRegister(login, password))
- if (regId) {
- // console.log(regId)
- dispatch(actionFullLogin(login, password))
- }
- }
- )
- // regBtn.onclick = () => {
- // store.dispatch(actionFullRegister(loginReg.value, passReg.value))
- // }
- // loginBtn.onclick = () => {
- // store.dispatch(actionFullLogin(loginInput.value, passInput.value))
- // }
- // logoutBtn.onclick = () => {
- // store.dispatch(actionAuthLogout())
- // }
- const actionRootCats = () =>
- actionPromise('rootCats', gql(`query {
- CategoryFind(query: "[{\\"parent\\":null}]"){
- _id name
- }
- }`))
- const actionCatById = (_id) => //добавить подкатегории
- actionPromise('catById', gql(`query catById($q: String){
- CategoryFindOne(query: $q){
- _id name goods {
- _id name price images {
- url
- }
- }
- subCategories {
- _id name
- }
- }
- }`, {q: JSON.stringify([{_id}])}))
- // //actionGoodById по аналогии
- const actionGoodById = (_id) =>
- actionPromise('goodById', gql(`query goodById($q: String) {
- GoodFindOne(query: $q) {
- _id name price description images {
- url
- }
- }
- }`, {q: JSON.stringify([{_id}])}))
- const actionGoodsByUser = () =>
- actionPromise('goodByUser', gql(`query oUser($query: String) {
- OrderFind(query:$query){
- _id orderGoods{
- price count total good{
- _id name categories{
- name
- }
- images {
- url
- }
- }
- }
- owner {
- _id login
- }
- }
- }`,
- {query: JSON.stringify([{}])}))
-
- store.dispatch(actionRootCats())
- store.subscribe(() => {
- const {promise} = store.getState()
- const {rootCats} = promise
- if (rootCats?.payload) {
- aside.innerHTML = ''
- const regBtn = document.createElement('a')
- regBtn.href = `#/register`
- regBtn.innerText = 'Register'
- const loginBtn = document.createElement('a')
- loginBtn.href = `#/login`
- loginBtn.innerText = 'Login'
- const logoutBtn = document.createElement('button')
- logoutBtn.innerText = 'Logout'
- aside.append(regBtn, loginBtn, logoutBtn)
- logoutBtn.onclick = () => {
- store.dispatch(actionAuthLogout())
- }
- for (const {_id, name} of rootCats?.payload) {
- const link = document.createElement('a')
- link.href = `#/category/${_id}`
- link.innerText = name
- aside.append(link)
- }
- }
- })
- // location.hash - адресная строка после решетки
- window.onhashchange = () => {
- const [,route, _id] = location.hash.split('/')
- const routes = {
- category(){
- store.dispatch(actionCatById(_id))
- console.log('страница категорий')
- },
- good(){ //задиспатчить actionGoodById
- store.dispatch(actionGoodById(_id))
- console.log('страница товара')
- },
- register(){
- createForm(main, 'Register')
- btnRegister.onclick = () => {
- store.dispatch(actionFullRegister(loginRegister.value, passRegister.value))
- }
- },
- login(){
- createForm(main, 'Login')
- btnLogin.onclick = () => {
- store.dispatch(actionFullLogin(loginLogin.value, passLogin.value))
- }
- },
- orders(){
- store.dispatch(actionGoodsByUser())
- }
- }
- if (route in routes) {
- routes[route]()
- }
- }
- function createForm(parent, type) {
- parent.innerHTML = `
- <input id="login${type}" type="text"/>
- <input id="pass${type}" type="password"/>
- <button id="btn${type}">${type}</button>
- `
- }
- window.onhashchange()
- store.subscribe(() => {
- const {promise} = store.getState()
- const {catById} = promise
- const [,route, _id] = location.hash.split('/')
- if (catById?.payload && route === 'category'){
- const {name} = catById.payload;
- main.innerHTML = `<h1>${name}</h1>`
-
- if (catById.payload.subCategories) {
- for(const {_id, name} of catById.payload.subCategories) {
- const link = document.createElement('a');
- link.href = `#/category/${_id}`;
- link.innerText = name;
- main.append(link);
- }
- }
-
- if (catById.payload.goods) {
- for (const {_id, name, price, images} of catById.payload.goods){
- const card = document.createElement('div')
- card.innerHTML = `<h2>${name}</h2>
- <img src="${backURL}/${images[0].url}" />
- <strong>${price}</strong>
- <br>
- <a href="#/good/${_id}">Перейти на страницу товара</a>
- `
- main.append(card)
- }
- }
- }
- })
- store.subscribe(() => {
- const {promise} = store.getState()
- const {goodById} = promise
- const [,route, _id] = location.hash.split('/');
- if (goodById?.payload && route === 'good') {
- main.innerHTML = '';
- const {_id, name, images, price, description} = goodById.payload;
- const card = document.createElement('div');
- card.innerHTML = `<h2>${name}</h2>
- <img src="${backURL}/${images[0].url}" />
- <strong>${price}</strong>
- <h2>${description}</h2>
- `;
- main.append(card);
- }
- }
- //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
- )
- store.subscribe(() => {
- const {auth} = store.getState()
- const {payload} = auth
- if (payload?.sub ) {
- topContaner.innerHTML = ''
- const {id, login} = payload.sub
- const name = document.createElement('div')
- name.innerText = `ПРИВЕТ ${login}`
- topContaner.append(name)
- const myOrders = document.createElement('a')
- myOrders.innerText = 'Мои заказы'
- myOrders.href = `#/orders/${id}`
- topContaner.append(myOrders)
- } else {
- topContaner.innerHTML = ''
- }
- })
- store.subscribe(() => {
- const {promise} = store.getState()
- const {goodByUser} = promise
- const [,route, _id] = location.hash.split('/')
- if (goodByUser?.payload && route === 'orders'){
- main.innerHTML = ''
-
- if (goodByUser.payload.orderGoods) {
- for (const {price, count, total, good: {name, images}} of goodByUser.payload.orderGoods){
- const card = document.createElement('div')
- card.innerHTML = `<h2>${name}</h2>
- <img src="${backURL}/${images[0].url}" />
- <strong>Куплено ${count} по ${price} грн. Итого:${total}</strong>
- <br>
- <a href="#/good/${_id}">Перейти на страницу товара</a>
- `
- main.append(card)
- }
- }
- }
- })
- // store.dispatch(actionPromise('delay1000', delay(1000)))
- // // store.dispatch(actionPromise('delay2000', delay(2000)))
- // // store.dispatch(actionPromise('luke', fetch('https://swapi.dev/api/people/1/').then(res => res.json())))
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