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Index Management new platform migration (elastic#49359) (elastic#50812)
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src/plugins/es_ui_shared/public/request/np_ready_request.ts
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| /* | ||
| * Licensed to Elasticsearch B.V. under one or more contributor | ||
| * license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright | ||
| * ownership. Elasticsearch B.V. licenses this file to you under | ||
| * the Apache License, Version 2.0 (the "License"); you may | ||
| * not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
|
|
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| import { useEffect, useState, useRef } from 'react'; | ||
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| import { HttpServiceBase } from '../../../../../src/core/public'; | ||
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| export interface SendRequestConfig { | ||
| path: string; | ||
| method: 'get' | 'post' | 'put' | 'delete' | 'patch' | 'head'; | ||
| body?: any; | ||
| } | ||
|
|
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| export interface SendRequestResponse { | ||
| data: any; | ||
| error: Error | null; | ||
| } | ||
|
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| export interface UseRequestConfig extends SendRequestConfig { | ||
| pollIntervalMs?: number; | ||
| initialData?: any; | ||
| deserializer?: (data: any) => any; | ||
| } | ||
|
|
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| export interface UseRequestResponse { | ||
| isInitialRequest: boolean; | ||
| isLoading: boolean; | ||
| error: null | unknown; | ||
| data: any; | ||
| sendRequest: (...args: any[]) => Promise<SendRequestResponse>; | ||
| } | ||
|
|
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| export const sendRequest = async ( | ||
| httpClient: HttpServiceBase, | ||
| { path, method, body }: SendRequestConfig | ||
| ): Promise<SendRequestResponse> => { | ||
| try { | ||
| const response = await httpClient[method](path, { body }); | ||
|
|
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| return { | ||
| data: response.data ? response.data : response, | ||
| error: null, | ||
| }; | ||
| } catch (e) { | ||
| return { | ||
| data: null, | ||
| error: e.response && e.response.data ? e.response.data : e.body, | ||
| }; | ||
| } | ||
| }; | ||
|
|
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| export const useRequest = ( | ||
| httpClient: HttpServiceBase, | ||
| { | ||
| path, | ||
| method, | ||
| body, | ||
| pollIntervalMs, | ||
| initialData, | ||
| deserializer = (data: any): any => data, | ||
| }: UseRequestConfig | ||
| ): UseRequestResponse => { | ||
| // Main states for tracking request status and data | ||
| const [error, setError] = useState<null | any>(null); | ||
| const [isLoading, setIsLoading] = useState<boolean>(true); | ||
| const [data, setData] = useState<any>(initialData); | ||
|
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| // Consumers can use isInitialRequest to implement a polling UX. | ||
| const [isInitialRequest, setIsInitialRequest] = useState<boolean>(true); | ||
| const pollInterval = useRef<any>(null); | ||
| const pollIntervalId = useRef<any>(null); | ||
|
|
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| // We always want to use the most recently-set interval in scheduleRequest. | ||
| pollInterval.current = pollIntervalMs; | ||
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| // Tied to every render and bound to each request. | ||
| let isOutdatedRequest = false; | ||
|
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| const scheduleRequest = () => { | ||
| // Clear current interval | ||
| if (pollIntervalId.current) { | ||
| clearTimeout(pollIntervalId.current); | ||
| } | ||
|
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| // Set new interval | ||
| if (pollInterval.current) { | ||
| pollIntervalId.current = setTimeout(_sendRequest, pollInterval.current); | ||
| } | ||
| }; | ||
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| const _sendRequest = async () => { | ||
| // We don't clear error or data, so it's up to the consumer to decide whether to display the | ||
| // "old" error/data or loading state when a new request is in-flight. | ||
| setIsLoading(true); | ||
|
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| const requestBody = { | ||
| path, | ||
| method, | ||
| body, | ||
| }; | ||
|
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| const response = await sendRequest(httpClient, requestBody); | ||
| const { data: serializedResponseData, error: responseError } = response; | ||
| const responseData = deserializer(serializedResponseData); | ||
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| // If an outdated request has resolved, DON'T update state, but DO allow the processData handler | ||
| // to execute side effects like update telemetry. | ||
| if (isOutdatedRequest) { | ||
| return { data: null, error: null }; | ||
| } | ||
|
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| setError(responseError); | ||
| setData(responseData); | ||
| setIsLoading(false); | ||
| setIsInitialRequest(false); | ||
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| // If we're on an interval, we need to schedule the next request. This also allows us to reset | ||
| // the interval if the user has manually requested the data, to avoid doubled-up requests. | ||
| scheduleRequest(); | ||
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| return { data: serializedResponseData, error: responseError }; | ||
| }; | ||
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| useEffect(() => { | ||
| _sendRequest(); | ||
| // To be functionally correct we'd send a new request if the method, path, or body changes. | ||
| // But it doesn't seem likely that the method will change and body is likely to be a new | ||
| // object even if its shape hasn't changed, so for now we're just watching the path. | ||
| }, [path]); | ||
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| useEffect(() => { | ||
| scheduleRequest(); | ||
|
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| // Clean up intervals and inflight requests and corresponding state changes | ||
| return () => { | ||
| isOutdatedRequest = true; | ||
| if (pollIntervalId.current) { | ||
| clearTimeout(pollIntervalId.current); | ||
| } | ||
| }; | ||
| }, [pollIntervalMs]); | ||
|
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| return { | ||
| isInitialRequest, | ||
| isLoading, | ||
| error, | ||
| data, | ||
| sendRequest: _sendRequest, // Gives the user the ability to manually request data | ||
| }; | ||
| }; |
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