feat(nestjs): migrate to NestJS

packages/server/src/modules/FinancialStatements/modules/ARAgingSummary/ARAgingSummarySheet.ts

@@ -0,0 +1,181 @@
+import * as R from 'ramda';
+import { isEmpty, sum } from 'lodash';
+import { IAgingPeriod } from '../AgingSummary/AgingSummary.types';
+import {
+  IARAgingSummaryQuery,
+  IARAgingSummaryCustomer,
+  IARAgingSummaryData,
+  IARAgingSummaryColumns,
+  IARAgingSummaryTotal,
+} from './ARAgingSummary.types';
+import { AgingSummaryReport } from '../AgingSummary/AgingSummary';
+import { allPassedConditionsPass } from '@/utils/all-conditions-passed';
+import { ModelObject } from 'objection';
+import { Customer } from '@/modules/Customers/models/Customer';
+import { ARAgingSummaryRepository } from './ARAgingSummaryRepository';
+
+export class ARAgingSummarySheet extends AgingSummaryReport {
+  readonly query: IARAgingSummaryQuery;
+  readonly agingPeriods: IAgingPeriod[];
+  readonly repository: ARAgingSummaryRepository;
+
+  /**
+   * Constructor method.
+   * @param {number} tenantId
+   * @param {IARAgingSummaryQuery} query
+   * @param {ICustomer[]} customers
+   * @param {IJournalPoster} journal
+   */
+  constructor(
+    query: IARAgingSummaryQuery,
+    repository: ARAgingSummaryRepository,
+  ) {
+    super();
+
+    this.query = query;
+    this.repository = repository;
+    this.numberFormat = this.query.numberFormat;
+
+    // Initializes the aging periods.
+    this.agingPeriods = this.agingRangePeriods(
+      this.query.asDate,
+      this.query.agingDaysBefore,
+      this.query.agingPeriods,
+    );
+  }
+
+  /**
+   * Mapping aging customer.
+   * @param {ICustomer} customer -
+   * @return {IARAgingSummaryCustomer[]}
+   */
+  private customerTransformer = (
+    customer: ModelObject<Customer>,
+  ): IARAgingSummaryCustomer => {
+    const agingPeriods = this.getContactAgingPeriods(customer.id);
+    const currentTotal = this.getContactCurrentTotal(customer.id);
+    const agingPeriodsTotal = this.getAgingPeriodsTotal(agingPeriods);
+    const amount = sum([agingPeriodsTotal, currentTotal]);
+
+    return {
+      customerName: customer.displayName,
+      current: this.formatAmount(currentTotal),
+      aging: agingPeriods,
+      total: this.formatTotalAmount(amount),
+    };
+  };
+
+  /**
+   * Mappes the customers objects to report accounts nodes.
+   * @param {ICustomer[]} customers
+   * @returns {IARAgingSummaryCustomer[]}
+   */
+  private customersMapper = (
+    customers: ModelObject<Customer>[],
+  ): IARAgingSummaryCustomer[] => {
+    return customers.map(this.customerTransformer);
+  };
+
+  /**
+   * Filters the none-zero account report node.
+   * @param {IARAgingSummaryCustomer} node
+   * @returns {boolean}
+   */
+  private filterNoneZeroAccountNode = (
+    node: IARAgingSummaryCustomer,
+  ): boolean => {
+    return node.total.amount !== 0;
+  };
+
+  /**
+   * Filters customer report node based on the given report query.
+   * @param {IARAgingSummaryCustomer} customerNode
+   * @returns {boolean}
+   */
+  private customerNodeFilter = (
+    customerNode: IARAgingSummaryCustomer,
+  ): boolean => {
+    const { noneZero } = this.query;
+
+    const conditions = [[noneZero, this.filterNoneZeroAccountNode]];
+
+    return allPassedConditionsPass(conditions)(customerNode);
+  };
+
+  /**
+   * Filters customers report nodes.
+   * @param {IARAgingSummaryCustomer[]} customers
+   * @returns {IARAgingSummaryCustomer[]}
+   */
+  private customersFilter = (
+    customers: IARAgingSummaryCustomer[],
+  ): IARAgingSummaryCustomer[] => {
+    return customers.filter(this.customerNodeFilter);
+  };
+
+  /**
+   * Detarmines the customers nodes filter is enabled.
+   * @returns {boolean}
+   */
+  private isCustomersFilterEnabled = (): boolean => {
+    return isEmpty(this.query.customersIds);
+  };
+
+  /**
+   * Retrieve customers report.
+   * @param {ICustomer[]} customers
+   * @return {IARAgingSummaryCustomer[]}
+   */
+  private customersWalker = (
+    customers: ModelObject<Customer>[],
+  ): IARAgingSummaryCustomer[] => {
+    return R.compose(
+      R.when(this.isCustomersFilterEnabled, this.customersFilter),
+      this.customersMapper,
+    )(customers);
+  };
+
+  /**
+   * Retrieve the customers aging and current total.
+   * @param {IARAgingSummaryCustomer} customersAgingPeriods
+   */
+  private getCustomersTotal = (
+    customersAgingPeriods: IARAgingSummaryCustomer[],
+  ): IARAgingSummaryTotal => {
+    const totalAgingPeriods = this.getTotalAgingPeriods(customersAgingPeriods);
+    const totalCurrent = this.getTotalCurrent(customersAgingPeriods);
+    const totalCustomersTotal = this.getTotalContactsTotals(
+      customersAgingPeriods,
+    );
+
+    return {
+      current: this.formatTotalAmount(totalCurrent),
+      aging: totalAgingPeriods,
+      total: this.formatTotalAmount(totalCustomersTotal),
+    };
+  };
+
+  /**
+   * Retrieve A/R aging summary report data.
+   * @return {IARAgingSummaryData}
+   */
+  public reportData = (): IARAgingSummaryData => {
+    const customersAgingPeriods = this.customersWalker(
+      this.repository.customers,
+    );
+    const customersTotal = this.getCustomersTotal(customersAgingPeriods);
+
+    return {
+      customers: customersAgingPeriods,
+      total: customersTotal,
+    };
+  };
+
+  /**
+   * Retrieve A/R aging summary report columns.
+   * @return {IARAgingSummaryColumns}
+   */
+  public reportColumns(): IARAgingSummaryColumns {
+    return this.agingPeriods;
+  }
+}