refactor: financial reports to nestjs

temp/BalanceSheet/BalanceSheetInjectable.ts

@@ -0,0 +1,67 @@
+import {
+  IBalanceSheetDOO,
+  IBalanceSheetQuery,
+} from './BalanceSheet.types';
+import { BalanceSheetRepository } from './BalanceSheetRepository';
+import { BalanceSheetMetaInjectable } from './BalanceSheetMeta';
+import { Inject, Injectable } from '@nestjs/common';
+import { EventEmitter2 } from '@nestjs/event-emitter';
+import { events } from '@/common/events/events';
+import { BalanceSheet } from './BalanceSheet';
+import { getBalanceSheetDefaultQuery } from './constants';
+import { TenancyContext } from '@/modules/Tenancy/TenancyContext.service';
+import { I18nService } from 'nestjs-i18n';
+
+@Injectable()
+export class BalanceSheetInjectable {
+  constructor(
+    private readonly balanceSheetMeta: BalanceSheetMetaInjectable,
+    private readonly eventPublisher: EventEmitter2,
+    private readonly tenancyContext: TenancyContext,
+    private readonly i18n: I18nService,
+
+    @Inject(BalanceSheetRepository.name)
+    private readonly balanceSheetRepository: BalanceSheetRepository,
+  ) {}
+
+  /**
+   * Retrieve balance sheet statement.
+   * @param {IBalanceSheetQuery} query - Balance sheet query.
+   * @return {Promise<IBalanceSheetStatement>}
+   */
+  public async balanceSheet(
+    query: IBalanceSheetQuery,
+  ): Promise<IBalanceSheetDOO> {
+    const filter = {
+      ...getBalanceSheetDefaultQuery(),
+      ...query,
+    };
+    const tenantMetadata = await this.tenancyContext.getTenantMetadata(true);
+
+    // Loads all resources.
+    await this.balanceSheetRepository.asyncInitialize(filter);
+
+    // Balance sheet report instance.
+    const balanceSheetInstanace = new BalanceSheet(
+      filter,
+      this.balanceSheetRepository,
+      tenantMetadata.baseCurrency,
+      this.i18n,
+    );
+    // Balance sheet data.
+    const data = balanceSheetInstanace.reportData();
+
+    // Balance sheet meta.
+    const meta = await this.balanceSheetMeta.meta(filter);
+
+    // Triggers `onBalanceSheetViewed` event.
+    await this.eventPublisher.emitAsync(events.reports.onBalanceSheetViewed, {
+      query,
+    });
+    return {
+      query: filter,
+      data,
+      meta,
+    };
+  }
+}