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@@ -0,0 +1,188 @@
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+function createStore(reducer){
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+ let state = reducer(undefined, {})
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+ let cbs = []
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+
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+ const getState = () => state
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+ const subscribe = cb => (cbs.push(cb),
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+ () => cbs = cbs.filter(c => c !== cb))
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+
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+ const dispatch = action => {
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+ if (typeof action === 'function'){
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+ return action(dispatch, getState)
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+ }
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+ const newState = reducer(state, action)
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+ if (newState !== state){
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+ state = newState
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+ for (let cb of cbs) cb()
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+ }
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+ }
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+
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+ return {
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+ getState,
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+ dispatch,
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+ subscribe
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+ }
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+}
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+
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+const getGQL = url =>
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+ (query, variables) => fetch(url, {
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+ method: 'POST',
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+ headers: {
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+ "Content-Type": "application/json",
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+ // 'Accept' : 'application/json',
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+ ...(localStorage.authToken ? {"Authorization": "Bearer " + localStorage.authToken} : {})
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+ },
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+ body: JSON.stringify({query, variables})
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+ }).then(res => res.json())
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+ .then(data => {
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+ if (data.data){
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+ return Object.values(data.data)[0]
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+ }
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+ else throw new Error(JSON.stringify(data.errors))
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+ })
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+const backendURL = 'http://shop-roles.asmer.fs.a-level.com.ua'
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+const gql = getGQL(backendURL + '/graphql');
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+
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+function promiseReducer(state={}, {type, name, status, payload, error}){
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+ if (type === 'PROMISE'){
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+ return {
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+ ...state,
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+ [name]:{status, payload, error}
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+ }
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+ }
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+ return state
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+}
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+
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+const actionPending = name => ({type:'PROMISE',name, status: 'PENDING'})
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+const actionFulfilled = (name,payload) => ({type:'PROMISE',name, status: 'FULFILLED', payload})
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+const actionRejected = (name,error) => ({type:'PROMISE',name, status: 'REJECTED', error})
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+
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+const delay = ms => new Promise(ok => setTimeout(() => ok(ms), ms))
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+
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+const store = createStore(promiseReducer);
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+store.subscribe(() => console.log(store.getState()))
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+//store.dispatch(actionPending('delay1000'))
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+////{ 1
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+//// delay1000: {status: 'PENDING'}
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+////}
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+//delay(1000).then(result => store.dispatch(actionFulfilled('delay1000', result)))
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+////{ 3
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+//// delay1000: {status: 'FULFILLED', payload: 1000},
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+//// delay2000: {status: 'PENDING'}
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+////}
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+
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+//store.dispatch(actionPending('delay2000'))
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+////{ 2
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+//// delay1000: {status: 'PENDING'},
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+//// delay2000: {status: 'PENDING'}
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+////}
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+//delay(2000).then(result => store.dispatch(actionFulfilled('delay2000', result)))
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+////{ 4
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+//// delay1000: {status: 'FULFILLED', payload: 1000},
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+//// delay2000: {status: 'FULFILLED', payload: 2000}
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+////}
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+
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+const actionPromise = (name, promise) =>
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+async dispatch => {
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+ dispatch(actionPending(name))
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+ try {
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+ let payload = await promise
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+ dispatch(actionFulfilled(name, payload))
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+ return payload
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+ }
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+ catch(error){
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+ dispatch(actionRejected(name, error))
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+ }
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+}
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+
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+store.dispatch(actionPromise('delay1000', delay(1000)))
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+store.dispatch(actionPromise('delay2000', delay(2000)))
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+
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+
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+const actionLuke = () => actionPromise('luke',
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+ fetch('https://swapi.dev/api/people/1')
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+ .then(res => res.json()))
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+store.dispatch(actionLuke())
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+
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+const actionRegister = (login, password) =>
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+ actionPromise('register', gql( `mutation register($login: String, $password: String) {
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+ UserUpsert(user: {login: $login, password: $password}) {
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+ _id
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+ login
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+ }
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+ }`, {login : login, password : password}))
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+
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+store.dispatch(actionRegister('user777', '777'));
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+
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+const actionCategoryById = (_id) =>
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+ actionPromise('catById', gql(`query catById($q: String){
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+ CategoryFindOne(query: $q){
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+ _id name goods {
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+ _id name price images {
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+ url
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+ }
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+ }
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+ }
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+ }`, {q: JSON.stringify([{_id}])}));
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+
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+store.dispatch(actionCategoryById("5dc458985df9d670df48cc47"));
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+
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+const actionGoodById = (_id) =>
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+ actionPromise('goodById', gql(`query goodByid($goodId: String) {
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+ GoodFindOne(query: $goodId) {
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+ name
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+ price
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+ description
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+ images {
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+ url
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+ }
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+ }
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+ }`, {goodId: JSON.stringify([{_id}])}))
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+
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+store.dispatch(actionGoodById("5dc4a3e15df9d670df48cc6b"));
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+
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+const actionRootCategories = () =>
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+ actionPromise('rootCats', gql(`query {
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+ CategoryFind(query: "[{\\"parent\\":null}]"){
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+ _id name
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+ }
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+ }`))
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+
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+store.dispatch(actionRootCategories());
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+
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+const actionNewOrder = (order) =>
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+ actionPromise('newOrder', gql( `mutation newOrder($order: OrderInput) {
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+ OrderUpsert(order: $order) {
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+ _id
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+ total
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+ }
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+ }`, {order : order}
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+ )
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+
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+ )
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+let order = {
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+ orderGoods: [
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+ {count: 2, good: {_id: "5dcac57d6d09c45440d14cfc"}},
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+ {count: 2, good: {_id: "5dcac9ba6d09c45440d14d02"}},
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+ {count: 1, good: {_id: "5dc8844e0e36db246e3049bd"}},
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+ ]
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+}
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+
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+store.dispatch(actionNewOrder(order));
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+
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+const actionOrders = () =>
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+ actionPromise('allOrders', gql(`query findOrder($q: String) {
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+ OrderFind(query: $q) {
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+ _id
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+ total
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+ orderGoods {
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+ count
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+ good {
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+ name
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+ price
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+ }
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+ }
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+ }
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+ }`, {q: JSON.stringify([{}])}))
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+
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+store.dispatch(actionOrders())
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