openaire-library/monitor-admin/utils/cache-indicators/cache-indicators.ts

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import {IndicatorType, Stakeholder} from "../../../monitor/entities/stakeholder";
import axios from "axios";
import {IndicatorUtils} from "../indicator-utils";
import {Composer} from "../../../utils/email/composer";
import {properties} from "src/environments/environment";
export interface CacheItem {
reportId: string,
type: IndicatorType,
url: string
}
export class Report {
creator: string;
name: string;
success: number;
errors: {
url: string,
status: number
}[];
total: number;
completed: boolean;
percentage: number
constructor(total: number, name: string, creator: string) {
this.creator = creator;
this.name = name;
this.success = 0;
this.errors = [];
this.total = total;
this.completed = false;
}
setPercentage() {
this.percentage = Math.floor((this.success + this.errors.length) / this.total * 100);
}
}
export class CacheIndicators {
private static BATCH_SIZE = 10;
private reports: Map<string, Report> = new Map<string, Report>();
private queue: CacheItem[] = [];
private process: Promise<void>;
private isFinished: boolean = true;
stakeholderToCacheItems(stakeholder: Stakeholder) {
let cacheItems: CacheItem[] = [];
let indicatorUtils = new IndicatorUtils();
stakeholder.topics.forEach(topic => {
topic.categories.forEach(category => {
category.subCategories.forEach(subCategory => {
subCategory.numbers.forEach(section => {
section.indicators.forEach(indicator => {
indicator.indicatorPaths.forEach(indicatorPath => {
let url = indicatorUtils.getNumberUrl(indicatorPath.source, indicatorUtils.getFullUrl(stakeholder, indicatorPath));
cacheItems.push({
reportId: stakeholder._id,
type: 'number',
url: url
});
});
});
});
subCategory.charts.forEach(section => {
section.indicators.forEach(indicator => {
indicator.indicatorPaths.forEach(indicatorPath => {
let url = indicatorUtils.getChartUrl(indicatorPath.source, indicatorUtils.getFullUrl(stakeholder, indicatorPath));
cacheItems.push({
reportId: stakeholder._id,
type: 'chart',
url: url
});
});
});
});
});
});
});
return cacheItems;
}
public exists(id: string) {
return this.reports.has(id);
}
public completed(id: string) {
return !this.exists(id) || this.reports.get(id).completed;
}
public createReport(id: string, cacheItems: CacheItem[], name: string, creator: string) {
let report = new Report(cacheItems.length, name, creator);
this.reports.set(id, report);
this.addItemsToQueue(cacheItems);
return report;
}
public getReport(id: string) {
return this.reports.get(id);
}
private async processQueue() {
this.isFinished = false;
while (this.queue.length > 0) {
let batch = this.queue.splice(0, CacheIndicators.BATCH_SIZE);
await this.processBatch(batch);
}
}
private async processBatch(batch: CacheItem[]) {
let promises: Promise<any>[] = [];
let ids = new Set<string>();
batch.forEach(item => {
let promise;
ids.add(item.reportId);
if (item.type === 'chart') {
let [url, json] = item.url.split('?json=');
json = decodeURIComponent(json);
json = statsToolParser(JSON.parse(json));
promise = axios.post(url, json);
} else {
promise = axios.get(item.url);
}
promises.push(promise.then(response => {
let report = this.reports.get(item.reportId);
if (report) {
report.success++;
report.setPercentage();
}
return response;
}).catch(error => {
let report = this.reports.get(item.reportId);
if (report) {
report.errors.push({url: item.url, status: error.response.status});
report.setPercentage();
}
return error.response;
}));
});
await Promise.all(promises);
ids.forEach(id => {
let report = this.reports.get(id);
if (report?.percentage === 100) {
report.completed = true;
this.sendEmail(report);
}
});
}
private addItemsToQueue(cacheItems: CacheItem[]) {
cacheItems.forEach(item => {
this.queue.push(item);
});
if (this.isFinished) {
this.processQueue().then(() => {
this.isFinished = true;
});
}
}
sendEmail(report: Report) {
let email = Composer.composeEmailToReportCachingProcess(report);
axios.post(properties.adminToolsAPIURL + "sendMail/", email).catch(error => {
console.error(error);
});
}
}
export function statsToolParser(dataJSONobj: any): any {
let RequestInfoObj = Object.assign({});
switch (dataJSONobj.library) {
case "GoogleCharts":
//Pass the Chart library to ChartDataFormatter
RequestInfoObj.library = dataJSONobj.library;
RequestInfoObj.orderBy = dataJSONobj.orderBy;
//Create ChartInfo Object Array
RequestInfoObj.chartsInfo = [];
//Create ChartInfo and pass the Chart data queries to ChartDataFormatter
//along with the requested Chart type
RequestInfoObj.chartsInfo = dataJSONobj.chartDescription.queriesInfo;
break;
case "eCharts":
//Pass the Chart library to ChartDataFormatter
RequestInfoObj.library = dataJSONobj.library;
RequestInfoObj.orderBy = dataJSONobj.orderBy;
//Create ChartInfo Object Array
RequestInfoObj.chartsInfo = [];
//Create ChartInfo and pass the Chart data queries to ChartDataFormatter
//along with the requested Chart type
for (let index = 0; index < dataJSONobj.chartDescription.queries.length; index++) {
let element = dataJSONobj.chartDescription.queries[index];
var ChartInfoObj = Object.assign({});
if (element.type === undefined)
ChartInfoObj.type = dataJSONobj.chartDescription.series[index].type;
else
ChartInfoObj.type = element.type;
if (element.name === undefined)
ChartInfoObj.name = null;
else
ChartInfoObj.name = element.name;
ChartInfoObj.query = element.query;
RequestInfoObj.chartsInfo.push(ChartInfoObj);
}
break;
case "HighCharts":
RequestInfoObj.library = dataJSONobj.library;
RequestInfoObj.orderBy = dataJSONobj.orderBy;
//Pass the Chart type to ChartDataFormatter
var defaultType = dataJSONobj.chartDescription.chart.type;
//Create ChartInfo Object Array
RequestInfoObj.chartsInfo = [];
//Create ChartInfo and pass the Chart data queries to ChartDataFormatter
//along with the requested Chart type
dataJSONobj.chartDescription.queries.forEach(element => {
var ChartInfoObj = Object.assign({});
if (element.type === undefined)
ChartInfoObj.type = defaultType;
else
ChartInfoObj.type = element.type;
if (element.name === undefined)
ChartInfoObj.name = null;
else
ChartInfoObj.name = element.name;
ChartInfoObj.query = element.query;
RequestInfoObj.chartsInfo.push(ChartInfoObj);
});
break;
case "HighMaps":
RequestInfoObj.library = dataJSONobj.library;
//Create ChartInfo Object Array
RequestInfoObj.chartsInfo = [];
//Create ChartInfo and pass the Chart data queries to ChartDataFormatter
dataJSONobj.mapDescription.queries.forEach(element => {
var ChartInfoObj = Object.assign({});
if (element.name === undefined)
ChartInfoObj.name = null;
else
ChartInfoObj.name = element.name;
ChartInfoObj.query = element.query;
RequestInfoObj.chartsInfo.push(ChartInfoObj);
});
break;
default:
console.log("Unsupported Library: " + dataJSONobj.library);
}
return RequestInfoObj;
}