81 lines
2.5 KiB
TypeScript
81 lines
2.5 KiB
TypeScript
import { Injectable, Logger } from '@nestjs/common';
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import { DashboardsService } from './dashboards.service';
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import * as DashboardModel from '../models/dashboard';
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import { AppError, Result, createAppError, fail } from '../utils/result';
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import { WidgetsCollectionService } from './widgets-collection.service';
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export type WidgetWithData = {
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widgetId: string;
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data: any;
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};
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@Injectable()
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export class DashboardsDataService {
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private logger = new Logger(DashboardsDataService.name);
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constructor(
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private dashboardsService: DashboardsService,
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private widgetsCollectionService: WidgetsCollectionService,
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) {}
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async loadData(id: string): Promise<WidgetWithData[]> {
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const cfg = await this.dashboardsService.load(id);
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const results: WidgetWithData[] = [];
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let isSuccess = false;
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let counter = 0;
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if (!cfg?.widgets || cfg?.widgets?.length <= 0) {
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return results;
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}
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for (let i = 0; i < cfg.widgets.length; i++) {
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const widget = cfg.widgets[i];
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if (widget.collapsed) continue;
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const loadRes = await this.loadWidgetData(
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widget.type,
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widget.widgetParams,
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widget.dataLoaderParams,
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cfg,
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);
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if (loadRes.result) {
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counter++;
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isSuccess = true;
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loadRes.result.widgetId = widget.id;
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results.push({ data: loadRes.result, widgetId: widget.id });
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}
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}
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if (!isSuccess && counter > 0) throw createAppError('CANNOT_LOAD_DATA');
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return results;
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}
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async loadDataForWidget(id: string, widgetId: string): Promise<any> {
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const cfg = await this.dashboardsService.load(id);
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const widget = cfg.widgets.find((widget) => {
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return widget.id == widgetId;
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});
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if (!widget) throw createAppError('WIDGET_NOT_FOUND');
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const loadRes = await this.loadWidgetData(
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widget.type,
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widget.widgetParams,
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widget.dataLoaderParams,
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cfg,
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);
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if (loadRes.result) return loadRes.result;
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throw createAppError('CANNOT_LOAD_DATA');
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}
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async loadWidgetData(
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type: string,
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widgetParams: DashboardModel.WidgetParams,
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dataLoaderParams: DashboardModel.DataLoaderParams,
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dashboardParams: DashboardModel.Data,
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): Promise<Result<any, AppError>> {
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const widgetResult = this.widgetsCollectionService.getWidgetByType(type);
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if (widgetResult.error) return fail(createAppError(widgetResult.error));
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const widget = widgetResult.result;
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const renderResult = await widget.render(
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widgetParams,
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dataLoaderParams,
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dashboardParams,
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);
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return renderResult;
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}
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}
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