40 lines
994 B
JavaScript
40 lines
994 B
JavaScript
import {Toast} from "native-base";
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export default class WebDataManager {
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FETCH_URL : string;
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lastDataFetched : Object = {};
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constructor(url) {
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this.FETCH_URL = url;
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}
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async readData() {
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let fetchedData : Object = {};
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try {
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let response = await fetch(this.FETCH_URL);
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fetchedData = await response.json();
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} catch (error) {
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console.log('Could not read FetchedData from server');
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console.log(error);
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}
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this.lastDataFetched = fetchedData;
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return fetchedData;
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}
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isDataObjectValid() {
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return Object.keys(this.lastDataFetched).length > 0;
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}
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showUpdateToast(successString, errorString) {
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let isSuccess = this.isDataObjectValid();
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Toast.show({
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text: isSuccess ? successString : errorString,
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buttonText: 'OK',
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type: isSuccess ? "success" : "danger",
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duration: 2000
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})
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}
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}
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