106 lines
2.7 KiB
JavaScript
106 lines
2.7 KiB
JavaScript
import Visibility from 'visibilityjs';
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import Vue from 'vue';
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import { s__ } from '../locale';
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import Flash from '../flash';
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import Poll from '../lib/utils/poll';
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import ServerlessStore from './stores/serverless_store';
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import GetFunctionsService from './services/get_functions_service';
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import Functions from './components/functions.vue';
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export default class Serverless {
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constructor() {
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const { statusPath, clustersPath, helpPath, installed } = document.querySelector(
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'.js-serverless-functions-page',
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).dataset;
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this.service = new GetFunctionsService(statusPath);
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this.knativeInstalled = installed !== undefined;
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this.store = new ServerlessStore(this.knativeInstalled, clustersPath, helpPath);
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this.initServerless();
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this.functionLoadCount = 0;
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if (statusPath && this.knativeInstalled) {
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this.initPolling();
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}
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}
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initServerless() {
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const { store } = this;
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const el = document.querySelector('#js-serverless-functions');
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this.functions = new Vue({
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el,
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data() {
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return {
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state: store.state,
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};
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},
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render(createElement) {
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return createElement(Functions, {
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props: {
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functions: this.state.functions,
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installed: this.state.installed,
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clustersPath: this.state.clustersPath,
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helpPath: this.state.helpPath,
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loadingData: this.state.loadingData,
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hasFunctionData: this.state.hasFunctionData,
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},
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});
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},
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});
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}
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initPolling() {
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this.poll = new Poll({
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resource: this.service,
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method: 'fetchData',
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successCallback: data => this.handleSuccess(data),
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errorCallback: () => this.handleError(),
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});
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if (!Visibility.hidden()) {
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this.poll.makeRequest();
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} else {
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this.service
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.fetchData()
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.then(data => this.handleSuccess(data))
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.catch(() => this.handleError());
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}
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Visibility.change(() => {
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if (!Visibility.hidden() && !this.destroyed) {
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this.poll.restart();
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} else {
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this.poll.stop();
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}
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});
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}
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handleSuccess(data) {
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if (data.status === 200) {
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this.store.updateFunctionsFromServer(data.data);
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this.store.updateLoadingState(false);
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} else if (data.status === 204) {
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/* Time out after 3 attempts to retrieve data */
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this.functionLoadCount += 1;
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if (this.functionLoadCount === 3) {
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this.poll.stop();
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this.store.toggleNoFunctionData();
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}
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}
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}
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static handleError() {
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Flash(s__('Serverless|An error occurred while retrieving serverless components'));
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}
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destroy() {
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this.destroyed = true;
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if (this.poll) {
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this.poll.stop();
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}
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this.functions.$destroy();
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}
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}
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