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266 lines
8.4 KiB
TypeScript
266 lines
8.4 KiB
TypeScript
import { Injectable, OnInit } from '@angular/core';
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import { of, Observable } from 'rxjs';
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import { take, map } from 'rxjs/operators';
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import { DataService } from './data.service';
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import { CurrencyUnitEnum, TimeUnitEnum, ScreenSizeEnum } from './consts-enums-functions';
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@Injectable()
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export class CommonService implements OnInit {
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currencyUnits = [];
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CurrencyUnitEnum = CurrencyUnitEnum;
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conversionData = { data: null, last_fetched: null };
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private screenSize = ScreenSizeEnum.MD;
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constructor(private dataService: DataService) {}
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ngOnInit() {}
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getScreenSize() {
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return this.screenSize;
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}
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setScreenSize(screenSize: ScreenSizeEnum) {
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this.screenSize = screenSize;
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}
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sortDescByKey(array, key) {
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return array.sort(function (a, b) {
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const x = +a[key];
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const y = +b[key];
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return ((x > y) ? -1 : ((x < y) ? 1 : 0));
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});
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}
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sortAscByKey(array, key) {
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return array.sort(function (a, b) {
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const x = +a[key];
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const y = +b[key];
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return ((x < y) ? -1 : ((x > y) ? 1 : 0));
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});
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}
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camelCase(str) {
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return str.replace(/(?:^\w|[A-Z]|\b\w)/g, (word, index) => {
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return index == 0 ? word.toLowerCase() : word.toUpperCase();
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}).replace(/\s+/g, '');
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}
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titleCase(str) {
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return str.charAt(0).toUpperCase() + str.substring(1).toLowerCase();
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}
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convertCurrency(value: number, from: string, otherCurrencyUnit: string, fiatConversion: boolean): Observable<any> {
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let latest_date = new Date().valueOf();
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if(fiatConversion && otherCurrencyUnit) {
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if(this.conversionData.data && this.conversionData.last_fetched && (latest_date < (this.conversionData.last_fetched.valueOf() + 300000))) {
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return of(this.convertWithFiat(value, from, otherCurrencyUnit));
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} else {
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return this.dataService.getFiatRates()
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.pipe(take(1),
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map((data: any) => {
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this.conversionData.data = data ? JSON.parse(data) : {};
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this.conversionData.last_fetched = latest_date;
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return this.convertWithFiat(value, from, otherCurrencyUnit);
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}));
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}
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} else {
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return of(this.convertWithoutFiat(value, from));
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}
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}
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convertWithoutFiat(value: number, from: string) {
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let returnValue = {};
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returnValue[CurrencyUnitEnum.SATS] = 0;
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returnValue[CurrencyUnitEnum.BTC] = 0;
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switch (from) {
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case CurrencyUnitEnum.SATS:
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returnValue[CurrencyUnitEnum.SATS] = value;
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returnValue[CurrencyUnitEnum.BTC] = value * 0.00000001;
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break;
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case CurrencyUnitEnum.BTC:
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returnValue[CurrencyUnitEnum.SATS] = value * 100000000;
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returnValue[CurrencyUnitEnum.BTC] = value;
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break;
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default:
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break;
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}
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return returnValue;
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}
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convertWithFiat(value: number, from: string, otherCurrencyUnit: string) {
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let returnValue = {unit: otherCurrencyUnit, symbol: this.conversionData.data[otherCurrencyUnit].symbol};
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returnValue[CurrencyUnitEnum.SATS] = 0;
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returnValue[CurrencyUnitEnum.BTC] = 0;
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returnValue[CurrencyUnitEnum.OTHER] = 0;
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switch (from) {
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case CurrencyUnitEnum.SATS:
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returnValue[CurrencyUnitEnum.SATS] = value;
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returnValue[CurrencyUnitEnum.BTC] = value * 0.00000001;
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returnValue[CurrencyUnitEnum.OTHER] = value * 0.00000001 * this.conversionData.data[otherCurrencyUnit].last;
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break;
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case CurrencyUnitEnum.BTC:
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returnValue[CurrencyUnitEnum.SATS] = value * 100000000;
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returnValue[CurrencyUnitEnum.BTC] = value;
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returnValue[CurrencyUnitEnum.OTHER] = value * this.conversionData.data[otherCurrencyUnit].last;
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break;
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case (CurrencyUnitEnum.OTHER):
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returnValue[CurrencyUnitEnum.SATS] = value / this.conversionData.data[otherCurrencyUnit].last * 100000000;
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returnValue[CurrencyUnitEnum.BTC] = value / this.conversionData.data[otherCurrencyUnit].last;
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returnValue[CurrencyUnitEnum.OTHER] = value;
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break;
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default:
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break;
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}
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return returnValue;
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}
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convertTime(value: number, from: string, to: string) {
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switch (from) {
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case TimeUnitEnum.SECS:
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switch (to) {
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case TimeUnitEnum.MINS:
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value = value / 60;
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break;
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case TimeUnitEnum.HOURS:
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value = value / 3600;
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break;
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case TimeUnitEnum.DAYS:
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value = value / (3600 * 24);
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break;
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default:
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break;
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}
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break;
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case TimeUnitEnum.MINS:
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switch (to) {
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case TimeUnitEnum.SECS:
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value = value * 60;
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break;
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case TimeUnitEnum.HOURS:
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value = value / 60;
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break;
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case TimeUnitEnum.DAYS:
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value = value / (60 * 24);
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break;
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default:
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break;
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}
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break;
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case TimeUnitEnum.HOURS:
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switch (to) {
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case TimeUnitEnum.SECS:
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value = value * 3600;
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break;
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case TimeUnitEnum.MINS:
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value = value * 60;
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break;
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case TimeUnitEnum.DAYS:
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value = value / 24;
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break;
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default:
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break;
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}
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break;
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case TimeUnitEnum.DAYS:
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switch (to) {
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case TimeUnitEnum.SECS:
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value = value * 3600 * 24;
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break;
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case TimeUnitEnum.MINS:
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value = value * 60 * 24;
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break;
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case TimeUnitEnum.HOURS:
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value = value * 24;
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break;
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default:
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break;
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}
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break;
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default:
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break;
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}
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return value;
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}
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convertTimestampToDate(num: number) {
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return new Date(num * 1000).toUTCString().substring(5, 22).replace(' ', '/').replace(' ', '/').toUpperCase();
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};
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downloadFile(data: any[], filename: string, fromFormat = '.json', toFormat = '.csv') {
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let blob = new Blob();
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if (fromFormat === '.json') {
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blob = new Blob(['\ufeff' + this.convertToCSV(data)], { type: 'text/csv;charset=utf-8;' });
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} else {
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blob = new Blob(['\ufeff' + data], { type: 'text;charset=utf-8;' });
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}
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let downloadUrl = document.createElement('a');
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let url = URL.createObjectURL(blob);
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let isSafariBrowser = navigator.userAgent.indexOf('Safari') != -1 && navigator.userAgent.indexOf('Chrome') == -1;
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if (isSafariBrowser) {
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downloadUrl.setAttribute('target', '_blank');
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}
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downloadUrl.setAttribute('href', url);
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downloadUrl.setAttribute('download', filename + toFormat);
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downloadUrl.style.visibility = 'hidden';
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document.body.appendChild(downloadUrl);
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downloadUrl.click();
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document.body.removeChild(downloadUrl);
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}
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convertToCSV(objArray: any[]) {
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let keys = [];
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let dataRow = '';
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let arrayField = '';
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let csvStrArray = '';
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if (typeof objArray !== 'object') { objArray = JSON.parse(objArray); }
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objArray.forEach((obj, i) => {
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for(var key in obj) {
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if (keys.findIndex(keyEle => keyEle === key) < 0) {
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keys.push(key);
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}
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}
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});
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let header = keys.join(',');
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csvStrArray = header + '\r\n';
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objArray.forEach(obj => {
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dataRow = '';
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keys.forEach(key => {
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if (obj.hasOwnProperty(key)) {
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if (Array.isArray(obj[key])) {
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arrayField = '';
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obj[key].forEach((arrEl, i) => {
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if(typeof arrEl === 'object') {
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arrayField += '(' + JSON.stringify(arrEl).replace(/\,/g, ';') + ')';
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} else {
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arrayField += '(' + arrEl + ')';
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}
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});
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dataRow += arrayField + ',';
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} else {
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if(typeof obj[key] === 'object') {
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dataRow += JSON.stringify(obj[key]).replace(/\,/g, ';') + ',';
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} else {
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dataRow += obj[key] + ',';
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}
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}
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} else {
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dataRow += ',';
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}
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});
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csvStrArray += dataRow.slice(0, -1) + '\r\n';
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});
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return csvStrArray;
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}
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isVersionCompatible(currentVersion, checkVersion) {
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let versionsArr = currentVersion.trim().replace('v', '').split('-')[0].split('.');
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let checkVersionsArr = checkVersion.split('.');
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return (+versionsArr[0] > +checkVersionsArr[0])
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|| (+versionsArr[0] === +checkVersionsArr[0] && +versionsArr[1] > +checkVersionsArr[1])
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|| (+versionsArr[0] === +checkVersionsArr[0] && +versionsArr[1] === +checkVersionsArr[1] && +versionsArr[2] >= +checkVersionsArr[2]);
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}
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}
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