feat: AR/AP aging summary report.

server/src/api/controllers/FinancialStatements/ARAgingSummary.ts

@@ -41,7 +41,7 @@ export default class ARAgingSummaryReportController extends BaseController {
         ],
         [query('customer_ids').optional().isNumeric().toInt()]
       ),
-      query('none_zero').optional().isBoolean().toBoolean(),
+      query('none_zero').default(true).isBoolean().toBoolean(),
     ];
   }
 

server/src/api/controllers/Sales/SalesInvoices.ts

@@ -321,7 +321,6 @@ export default class SaleInvoicesController extends BaseController {
         tenantId,
         customerId
       );
-
       return res.status(200).send({
         sales_invoices: this.transfromToResponse(salesInvoices),
       });

server/src/interfaces/APAgingSummaryReport.ts

@@ -17,13 +17,19 @@ export interface IAPAgingSummaryQuery {
 
 export interface IAPAgingSummaryVendor {
   vendorName: string,
+  current: IAgingPeriodTotal,
   aging: (IAgingPeriod & IAgingPeriodTotal)[],
   total: IAgingPeriodTotal,
-}
+};
+
+export interface IAPAgingSummaryTotal {
+  current: IAgingPeriodTotal,
+  aging: (IAgingPeriodTotal & IAgingPeriod)[],
+};
 
 export interface IAPAgingSummaryData {
   vendors: IAPAgingSummaryVendor[],
-  total: (IAgingPeriod & IAgingPeriodTotal)[],
-}
+  total: IAPAgingSummaryTotal,
+};
 
 export type IAPAgingSummaryColumns = IAgingPeriod[];

server/src/interfaces/ARAgingSummaryReport.ts

@@ -8,8 +8,8 @@ export interface IARAgingSummaryQuery {
   agingDaysBefore: number;
   agingPeriods: number;
   numberFormat: {
-    noCents: number;
-    divideOn1000: number;
+    noCents: boolean;
+    divideOn1000: boolean;
   };
   customersIds: number[];
   noneZero: boolean;
@@ -17,13 +17,18 @@ export interface IARAgingSummaryQuery {
 
 export interface IARAgingSummaryCustomer {
   customerName: string;
+  current: IAgingPeriodTotal,
   aging: (IAgingPeriodTotal & IAgingPeriod)[];
   total: IAgingPeriodTotal;
 }
 
+export interface IARAgingSummaryTotal {
+  current: IAgingPeriodTotal,
+  aging: (IAgingPeriodTotal & IAgingPeriod)[],
+};
 export interface IARAgingSummaryData {
   customers: IARAgingSummaryCustomer[],
-  total: (IAgingPeriodTotal & IAgingPeriod)[]
+  total: IARAgingSummaryTotal,
 }
 
 export type IARAgingSummaryColumns = IAgingPeriod[];

server/src/interfaces/Bill.ts

@@ -42,6 +42,9 @@ export interface IBill {
   amount: number,
   paymentAmount: number,
 
+  dueAmount: number,
+  overdueDays: number,
+
   invLotNumber: string,
   openedAt: Date | string,
 

server/src/interfaces/SaleInvoice.ts

@@ -7,6 +7,7 @@ export interface ISaleInvoice {
   invoiceDate: Date,
   dueDate: Date,
   dueAmount: number,
+  overdueDays: number,
   customerId: number,
   entries: IItemEntry[],
   deliveredAt: string | Date,

server/src/interfaces/index.ts

@@ -35,5 +35,7 @@ export * from './TrialBalanceSheet';
 export * from './GeneralLedgerSheet'
 export * from './ProfitLossSheet';
 export * from './JournalReport';
+export * from './AgingReport';
 export * from './ARAgingSummaryReport';
+export * from './APAgingSummaryReport';
 export * from './Mailable';

server/src/models/Bill.js

@@ -48,6 +48,12 @@ export default class Bill extends TenantModel {
       overdue(query) {
         query.where('due_date', '<', moment().format('YYYY-MM-DD'));
       },
+      /**
+       * Filters the not overdue invoices.
+       */
+      notOverdue(query, asDate = moment().format('YYYY-MM-DD')) {
+        query.where('due_date', '>=', asDate);
+      },
       /**
        * Filters the partially paid bills.
        */
@@ -61,7 +67,13 @@ export default class Bill extends TenantModel {
       paid(query) {
         query.where(raw('`PAYMENT_AMOUNT` = `AMOUNT`'));
       },
-    }
+      /**
+       * Filters the bills from the given date.
+       */
+      fromDate(query, fromDate) {
+        query.where('bill_date', '<=', fromDate)
+      }
+    };
   }
 
   /**
@@ -71,7 +83,7 @@ export default class Bill extends TenantModel {
     return ['createdAt', 'updatedAt'];
   }
 
-    /**
+  /**
    * Virtual attributes.
    */
   static get virtualAttributes() {
@@ -117,7 +129,7 @@ export default class Bill extends TenantModel {
    */
   get isFullyPaid() {
     return this.dueAmount === 0;
-  } 
+  }
 
   /**
    * Detarmines whether the bill paid fully or partially.
@@ -133,7 +145,9 @@ export default class Bill extends TenantModel {
    */
   get remainingDays() {
     // Can't continue in case due date not defined.
-    if (!this.dueDate) { return null; }
+    if (!this.dueDate) {
+      return null;
+    }
 
     const date = moment();
     const dueDate = moment(this.dueDate);
@@ -146,13 +160,7 @@ export default class Bill extends TenantModel {
    * @return {number|null}
    */
   get overdueDays() {
-    // Can't continue in case due date not defined.
-    if (!this.dueDate) { return null; }
-
-    const date = moment();
-    const dueDate = moment(this.dueDate);
-
-    return Math.max(date.diff(dueDate, 'days'), 0);
+    return this.getOverdueDays();
   }
 
   /**
@@ -163,6 +171,17 @@ export default class Bill extends TenantModel {
     return this.overdueDays > 0;
   }
 
+  getOverdueDays(asDate = moment().format('YYYY-MM-DD')) {
+    // Can't continue in case due date not defined.
+    if (!this.dueDate) {
+      return null;
+    }
+    const date = moment(asDate);
+    const dueDate = moment(this.dueDate);
+
+    return Math.max(date.diff(dueDate, 'days'), 0);
+  }
+
   /**
    * Relationship mapping.
    */
@@ -180,7 +199,7 @@ export default class Bill extends TenantModel {
         },
         filter(query) {
           query.where('contact_service', 'vendor');
-        }
+        },
       },
 
       entries: {
@@ -199,26 +218,22 @@ export default class Bill extends TenantModel {
 
   /**
    * Retrieve the not found bills ids as array that associated to the given vendor.
-   * @param {Array} billsIds 
-   * @param {number} vendorId - 
+   * @param {Array} billsIds
+   * @param {number} vendorId -
    * @return {Array}
    */
   static async getNotFoundBills(billsIds, vendorId) {
-    const storedBills = await this.query()
-      .onBuild((builder) => {
-        builder.whereIn('id', billsIds);
+    const storedBills = await this.query().onBuild((builder) => {
+      builder.whereIn('id', billsIds);
+
+      if (vendorId) {
+        builder.where('vendor_id', vendorId);
+      }
+    });
 
-        if (vendorId) {
-          builder.where('vendor_id', vendorId);
-        }
-      });
-      
     const storedBillsIds = storedBills.map((t) => t.id);
 
-    const notFoundBillsIds = difference(
-      billsIds,
-      storedBillsIds,
-    );
+    const notFoundBillsIds = difference(billsIds, storedBillsIds);
     return notFoundBillsIds;
   }
 
@@ -263,19 +278,25 @@ export default class Bill extends TenantModel {
         label: 'Status',
         options: [],
         query: (query, role) => {
-          switch(role.value) {
+          switch (role.value) {
             case 'draft':
-              query.modify('draft'); break;
+              query.modify('draft');
+              break;
             case 'opened':
-              query.modify('opened'); break;
+              query.modify('opened');
+              break;
             case 'unpaid':
-              query.modify('unpaid'); break;
+              query.modify('unpaid');
+              break;
             case 'overdue':
-              query.modify('overdue'); break;
+              query.modify('overdue');
+              break;
             case 'partially-paid':
-              query.modify('partiallyPaid'); break;
+              query.modify('partiallyPaid');
+              break;
             case 'paid':
-              query.modify('paid'); break;
+              query.modify('paid');
+              break;
           }
         },
       },
@@ -295,14 +316,12 @@ export default class Bill extends TenantModel {
         label: 'Note',
         column: 'note',
       },
-      user: {
-
-      },
+      user: {},
       created_at: {
         label: 'Created at',
         column: 'created_at',
         columnType: 'date',
       },
-    }
+    };
   }
 }

server/src/models/SaleInvoice.js

@@ -103,19 +103,27 @@ export default class SaleInvoice extends TenantModel {
    * @return {number|null}
    */
   get overdueDays() {
-    // Can't continue in case due date not defined.
-    if (!this.dueDate) { return null; }
-
-    const date = moment();
-    const dueDate = moment(this.dueDate);
-
-    return Math.max(date.diff(dueDate, 'days'), 0);
+    return this.getOverdueDays();
   }
 
   static get resourceable() {
     return true;
   }
 
+  /**
+   * 
+   * @param {*} asDate 
+   */
+  getOverdueDays(asDate = moment().format('YYYY-MM-DD')) {
+    // Can't continue in case due date not defined.
+    if (!this.dueDate) { return null; }
+
+    const date = moment(asDate);
+    const dueDate = moment(this.dueDate);
+
+    return Math.max(date.diff(dueDate, 'days'), 0);
+  }
+
   /**
    * Model modifiers.
    */
@@ -163,8 +171,14 @@ export default class SaleInvoice extends TenantModel {
       /**
        * Filters the overdue invoices.
        */
-      overdue(query) {
-        query.where('due_date', '<', moment().format('YYYY-MM-DD'));
+      overdue(query, asDate = moment().format('YYYY-MM-DD')) {
+        query.where('due_date', '<', asDate);
+      },
+      /**
+       * Filters the not overdue invoices.
+       */
+      notOverdue(query, asDate = moment().format('YYYY-MM-DD')) {
+        query.where('due_date', '>=', asDate);
       },
       /**
        * Filters the partially invoices.
@@ -178,6 +192,12 @@ export default class SaleInvoice extends TenantModel {
        */
       paid(query) {
         query.where(raw('PAYMENT_AMOUNT = BALANCE'));
+      },
+      /**
+       * Filters the sale invoices from the given date.
+       */
+      fromDate(query, fromDate) {
+        query.where('invoice_date', '<=', fromDate)
       }
     };
   }

server/src/repositories/BillRepository.ts

@@ -1,3 +1,4 @@
+import moment from 'moment';
 import { Bill } from 'models';
 import TenantRepository from 'repositories/TenantRepository';
 
@@ -8,4 +9,30 @@ export default class BillRepository extends TenantRepository {
   get model() {
     return Bill.bindKnex(this.knex);
   }
+
+  dueBills(asDate = moment().format('YYYY-MM-DD'), withRelations) {
+    const cacheKey = this.getCacheKey('dueInvoices', asDate, withRelations);
+
+    return this.cache.get(cacheKey, () => {
+      return this.model
+        .query()
+        .modify('dueBills')
+        .modify('notOverdue')
+        .modify('fromDate', asDate)
+        .withGraphFetched(withRelations);
+    });
+  }
+
+  overdueBills(asDate = moment().format('YYYY-MM-DD'), withRelations) {
+    const cacheKey = this.getCacheKey('overdueInvoices', asDate, withRelations);
+
+    return this.cache.get(cacheKey, () => {
+      return this.model
+        .query()
+        .modify('dueBills')
+        .modify('overdue', asDate)
+        .modify('fromDate', asDate)
+        .withGraphFetched(withRelations);
+    })
+  }
 }

server/src/repositories/SaleInvoiceRepository.ts

@@ -1,3 +1,4 @@
+import moment from 'moment';
 import { SaleInvoice } from 'models';
 import TenantRepository from 'repositories/TenantRepository';
 
@@ -8,4 +9,30 @@ export default class SaleInvoiceRepository extends TenantRepository {
   get model() {
     return SaleInvoice.bindKnex(this.knex);
   }
-}
+
+  dueInvoices(asDate = moment().format('YYYY-MM-DD'), withRelations) {
+    const cacheKey = this.getCacheKey('dueInvoices', asDate, withRelations);
+
+    return this.cache.get(cacheKey, async () => {
+      return this.model
+        .query()
+        .modify('dueInvoices')
+        .modify('notOverdue', asDate)
+        .modify('fromDate', asDate)
+        .withGraphFetched(withRelations);
+    });
+  }
+
+  overdueInvoices(asDate = moment().format('YYYY-MM-DD'), withRelations) {
+    const cacheKey = this.getCacheKey('overdueInvoices', asDate, withRelations);
+
+    return this.cache.get(cacheKey, () => {
+      return this.model
+        .query()
+        .modify('dueInvoices')
+        .modify('overdue', asDate)
+        .modify('fromDate', asDate)
+        .withGraphFetched(withRelations);
+    });
+  }
+}

server/src/services/Accounting/JournalCommands.ts

@@ -291,8 +291,6 @@ export default class JournalCommands {
       referenceType: ['SaleInvoice'],
       index: [3, 4],
     });
-    console.log(transactions);
-
     this.journal.fromTransactions(transactions);
     this.journal.removeEntries();
   }

server/src/services/FinancialStatements/AgingSummary/APAgingSummaryService.ts

@@ -36,6 +36,7 @@ export default class PayableAgingSummaryService {
   async APAgingSummary(tenantId: number, query) {
     const {
       vendorRepository,
+      billRepository
     } = this.tenancy.repositories(tenantId);
     const { Bill } = this.tenancy.models(tenantId);
 
@@ -55,15 +56,19 @@ export default class PayableAgingSummaryService {
     // Retrieve all vendors from the storage.
     const vendors = await vendorRepository.all();
 
-    // Retrieve all unpaid vendors bills.
-    const unpaidBills = await Bill.query().modify('unpaid');
+    // Retrieve all overdue vendors bills.
+    const overdueBills = await billRepository.overdueBills(
+      filter.asDate,
+    );
+    const dueBills = await billRepository.dueBills(filter.asDate);
 
     // A/P aging summary report instance.
     const APAgingSummaryReport = new APAgingSummarySheet(
       tenantId,
       filter,
       vendors,
-      unpaidBills,
+      overdueBills,
+      dueBills,
       baseCurrency,
     );
     // A/P aging summary report data and columns.

server/src/services/FinancialStatements/AgingSummary/APAgingSummarySheet.ts

@@ -1,4 +1,4 @@
-import { groupBy, sumBy } from 'lodash';
+import { groupBy, sum } from 'lodash';
 import AgingSummaryReport from './AgingSummary';
 import {
   IAPAgingSummaryQuery,
@@ -17,7 +17,9 @@ export default class APAgingSummarySheet extends AgingSummaryReport {
   readonly unpaidBills: IBill[];
   readonly baseCurrency: string;
 
-  readonly unpaidInvoicesByContactId: Dictionary<IBill[]>;
+  readonly overdueInvoicesByContactId: Dictionary<IBill[]>;
+  readonly currentInvoicesByContactId: Dictionary<IBill[]>;
+
   readonly agingPeriods: IAgingPeriod[];
 
   /**
@@ -31,6 +33,7 @@ export default class APAgingSummarySheet extends AgingSummaryReport {
     tenantId: number,
     query: IAPAgingSummaryQuery,
     vendors: IVendor[],
+    overdueBills: IBill[],
     unpaidBills: IBill[],
     baseCurrency: string
   ) {
@@ -40,10 +43,10 @@ export default class APAgingSummarySheet extends AgingSummaryReport {
     this.query = query;
     this.numberFormat = this.query.numberFormat;
     this.contacts = vendors;
-    this.unpaidBills = unpaidBills;
     this.baseCurrency = baseCurrency;
 
-    this.unpaidInvoicesByContactId = groupBy(unpaidBills, 'vendorId');
+    this.overdueInvoicesByContactId = groupBy(overdueBills, 'vendorId');
+    this.currentInvoicesByContactId = groupBy(unpaidBills, 'vendorId');
 
     // Initializes the aging periods.
     this.agingPeriods = this.agingRangePeriods(
@@ -60,10 +63,14 @@ export default class APAgingSummarySheet extends AgingSummaryReport {
    */
   private vendorData(vendor: IVendor): IAPAgingSummaryVendor {
     const agingPeriods = this.getContactAgingPeriods(vendor.id);
-    const amount = sumBy(agingPeriods, 'total');
+    const currentTotal = this.getContactCurrentTotal(vendor.id);
+    const agingPeriodsTotal = this.getAgingPeriodsTotal(agingPeriods);
+
+    const amount = sum([agingPeriodsTotal, currentTotal]);
 
     return {
       vendorName: vendor.displayName,
+      current: this.formatTotalAmount(currentTotal),
       aging: agingPeriods,
       total: this.formatTotalAmount(amount),
     };
@@ -89,17 +96,21 @@ export default class APAgingSummarySheet extends AgingSummaryReport {
   public reportData(): IAPAgingSummaryData {
     const vendorsAgingPeriods = this.vendorsWalker(this.contacts);
     const totalAgingPeriods = this.getTotalAgingPeriods(vendorsAgingPeriods);
+    const totalCurrent = this.getTotalCurrent(vendorsAgingPeriods);
 
     return {
       vendors: vendorsAgingPeriods,
-      total: totalAgingPeriods,
+      total: {
+        current: this.formatTotalAmount(totalCurrent),
+        aging: totalAgingPeriods,
+      },
     }
   }
 
   /**
    * Retrieve the A/P aging summary report columns.
    */
-  reportColumns(): IAPAgingSummaryColumns {
+  public reportColumns(): IAPAgingSummaryColumns {
     return this.agingPeriods;
   }
 }

server/src/services/FinancialStatements/AgingSummary/ARAgingSummaryService.ts

@@ -3,6 +3,7 @@ import { Inject, Service } from 'typedi';
 import { IARAgingSummaryQuery } from 'interfaces';
 import TenancyService from 'services/Tenancy/TenancyService';
 import ARAgingSummarySheet from './ARAgingSummarySheet';
+import SaleInvoiceRepository from 'repositories/SaleInvoiceRepository';
 
 @Service()
 export default class ARAgingSummaryService {
@@ -30,14 +31,14 @@ export default class ARAgingSummaryService {
   }
 
   /**
-   * 
+   *
    * @param {number} tenantId
    * @param query
    */
   async ARAgingSummary(tenantId: number, query: IARAgingSummaryQuery) {
     const {
       customerRepository,
-      saleInvoiceRepository
+      saleInvoiceRepository,
     } = this.tenancy.repositories(tenantId);
 
     const filter = {
@@ -57,15 +58,21 @@ export default class ARAgingSummaryService {
     // Retrieve all customers from the storage.
     const customers = await customerRepository.all();
 
+    // Retrieve all overdue sale invoices.
+    const overdueSaleInvoices = await saleInvoiceRepository.overdueInvoices(
+      filter.asDate
+    );
     // Retrieve all due sale invoices.
-    const dueSaleInvoices = await saleInvoiceRepository.dueInvoices();
-
+    const currentInvoices = await saleInvoiceRepository.dueInvoices(
+      filter.asDate
+    );
     // AR aging summary report instance.
     const ARAgingSummaryReport = new ARAgingSummarySheet(
       tenantId,
       filter,
       customers,
-      dueSaleInvoices,
+      overdueSaleInvoices,
+      currentInvoices,
       baseCurrency
     );
     // AR aging summary report data and columns.

server/src/services/FinancialStatements/AgingSummary/ARAgingSummarySheet.ts

@@ -1,9 +1,8 @@
-import { groupBy, sumBy, defaultTo } from 'lodash';
+import { groupBy, sum } from 'lodash';
 import {
   ICustomer,
   IARAgingSummaryQuery,
   IARAgingSummaryCustomer,
-  IAgingPeriodTotal,
   IAgingPeriod,
   ISaleInvoice,
   IARAgingSummaryData,
@@ -18,8 +17,9 @@ export default class ARAgingSummarySheet extends AgingSummaryReport {
   readonly contacts: ICustomer[];
   readonly agingPeriods: IAgingPeriod[];
   readonly baseCurrency: string;
-  readonly dueInvoices: ISaleInvoice[];
-  readonly unpaidInvoicesByContactId: Dictionary<ISaleInvoice[]>;
+
+  readonly overdueInvoicesByContactId: Dictionary<ISaleInvoice[]>;
+  readonly currentInvoicesByContactId: Dictionary<ISaleInvoice[]>;
 
   /**
    * Constructor method.
@@ -32,7 +32,8 @@ export default class ARAgingSummarySheet extends AgingSummaryReport {
     tenantId: number,
     query: IARAgingSummaryQuery,
     customers: ICustomer[],
-    unpaidSaleInvoices: ISaleInvoice[],
+    overdueSaleInvoices: ISaleInvoice[],
+    currentSaleInvoices: ISaleInvoice[],
     baseCurrency: string
   ) {
     super();
@@ -42,9 +43,9 @@ export default class ARAgingSummarySheet extends AgingSummaryReport {
     this.query = query;
     this.baseCurrency = baseCurrency;
     this.numberFormat = this.query.numberFormat;
-    this.unpaidInvoicesByContactId = groupBy(unpaidSaleInvoices, 'customerId');
-    this.dueInvoices = unpaidSaleInvoices;
-    this.periodsByContactId = {};
+
+    this.overdueInvoicesByContactId = groupBy(overdueSaleInvoices, 'customerId');
+    this.currentInvoicesByContactId = groupBy(currentSaleInvoices, 'customerId');
 
     // Initializes the aging periods.
     this.agingPeriods = this.agingRangePeriods(
@@ -61,10 +62,13 @@ export default class ARAgingSummarySheet extends AgingSummaryReport {
    */
   private customerData(customer: ICustomer): IARAgingSummaryCustomer {
     const agingPeriods = this.getContactAgingPeriods(customer.id);
-    const amount = sumBy(agingPeriods, 'total');
+    const currentTotal = this.getContactCurrentTotal(customer.id);
+    const agingPeriodsTotal = this.getAgingPeriodsTotal(agingPeriods);
+    const amount = sum([agingPeriodsTotal, currentTotal]);
 
     return {
       customerName: customer.displayName,
+      current: this.formatTotalAmount(currentTotal),
       aging: agingPeriods,
       total: this.formatTotalAmount(amount),
     };
@@ -91,10 +95,14 @@ export default class ARAgingSummarySheet extends AgingSummaryReport {
   public reportData(): IARAgingSummaryData {
     const customersAgingPeriods = this.customersWalker(this.contacts);
     const totalAgingPeriods = this.getTotalAgingPeriods(customersAgingPeriods);
+    const totalCurrent = this.getTotalCurrent(customersAgingPeriods);
 
     return {
       customers: customersAgingPeriods,
-      total: totalAgingPeriods,
+      total: {
+        current: this.formatTotalAmount(totalCurrent),
+        aging: totalAgingPeriods,
+      }
     };
   }
 

server/src/services/FinancialStatements/AgingSummary/AgingSummary.ts

@@ -1,4 +1,4 @@
-import { defaultTo, sumBy } from 'lodash';
+import { defaultTo, sumBy, get } from 'lodash';
 import {
   IAgingPeriod,
   ISaleInvoice,
@@ -6,6 +6,7 @@ import {
   IAgingPeriodTotal,
   IARAgingSummaryCustomer,
   IContact,
+  IARAgingSummaryQuery,
 } from 'interfaces';
 import AgingReport from './AgingReport';
 import { Dictionary } from 'tsyringe/dist/typings/types';
@@ -14,13 +15,13 @@ export default abstract class AgingSummaryReport extends AgingReport {
   protected readonly contacts: IContact[];
   protected readonly agingPeriods: IAgingPeriod[] = [];
   protected readonly baseCurrency: string;
-  protected readonly unpaidInvoices: (ISaleInvoice | IBill)[];
-  protected readonly unpaidInvoicesByContactId: Dictionary<
+  protected readonly query: IARAgingSummaryQuery;
+  protected readonly overdueInvoicesByContactId: Dictionary<
+    (ISaleInvoice | IBill)[]
+  >;
+  protected readonly currentInvoicesByContactId: Dictionary<
     (ISaleInvoice | IBill)[]
   >;
-  protected periodsByContactId: {
-    [key: number]: (IAgingPeriod & IAgingPeriodTotal)[];
-  } = {};
 
   /**
    * Setes initial aging periods to the given customer id.
@@ -48,7 +49,7 @@ export default abstract class AgingSummaryReport extends AgingReport {
       const newAgingPeriods = this.getContactAgingDueAmount(
         agingPeriods,
         unpaidInvoice.dueAmount,
-        unpaidInvoice.overdueDays
+        unpaidInvoice.getOverdueDays(this.query.asDate)
       );
       return newAgingPeriods;
     }, initialAgingPeriods);
@@ -81,7 +82,7 @@ export default abstract class AgingSummaryReport extends AgingReport {
   }
 
   /**
-   * Retrieve the aging period total object. (xx)
+   * Retrieve the aging period total object.
    * @param {number} amount
    * @return {IAgingPeriodTotal}
    */
@@ -112,14 +113,14 @@ export default abstract class AgingSummaryReport extends AgingReport {
   }
 
   /**
-   * Retrieve the due invoices by the given customer id. (XX)
-   * @param {number} customerId -
+   * Retrieve the due invoices by the given customer id.
+   * @param  {number} customerId -
    * @return {ISaleInvoice[]}
    */
   protected getUnpaidInvoicesByContactId(
     contactId: number
   ): (ISaleInvoice | IBill)[] {
-    return defaultTo(this.unpaidInvoicesByContactId[contactId], []);
+    return defaultTo(this.overdueInvoicesByContactId[contactId], []);
   }
 
   /**
@@ -138,4 +139,47 @@ export default abstract class AgingSummaryReport extends AgingReport {
       };
     });
   }
+
+  /**
+   * Retrieve the current invoices by the given contact id.
+   * @param {number} contactId 
+   * @return {(ISaleInvoice | IBill)[]}
+   */
+  protected getCurrentInvoicesByContactId(
+    contactId: number
+  ): (ISaleInvoice | IBill)[] {
+    return get(this.currentInvoicesByContactId, contactId, []);
+  }
+
+  /**
+   * Retrieve the contact total due amount.
+   * @param {number} contactId
+   * @return {number}
+   */
+  protected getContactCurrentTotal(contactId: number): number {
+    const currentInvoices = this.getCurrentInvoicesByContactId(contactId);
+    return sumBy(currentInvoices, invoice => invoice.dueAmount);
+  }
+
+  /**
+   * Retrieve to total sumation of the given customers sections.
+   * @param {IARAgingSummaryCustomer[]} contactsSections - 
+   * @return {number}
+   */
+  protected getTotalCurrent(
+    customersSummary: IARAgingSummaryCustomer[]
+  ): number {
+    return sumBy(customersSummary, summary => summary.current.total);
+  }
+
+  /**
+   * Retrieve the total of the given aging periods.
+   * @param {IAgingPeriodTotal[]} agingPeriods
+   * @return {number}
+   */
+  protected getAgingPeriodsTotal(
+    agingPeriods: IAgingPeriodTotal[],
+  ): number {
+    return sumBy(agingPeriods, 'total');
+  }
 }

server/src/services/Purchases/Bills.ts

@@ -56,7 +56,7 @@ export default class BillsService extends SalesInvoicesCost {
 
   @Inject()
   tenancy: TenancyService;
-
+  
   @EventDispatcher()
   eventDispatcher: EventDispatcherInterface;
 
@@ -206,7 +206,7 @@ export default class BillsService extends SalesInvoicesCost {
     billDTO: IBillDTO,
     authorizedUser: ISystemUser
   ): Promise<IBill> {
-    const { Bill } = this.tenancy.models(tenantId);
+    const { billRepository } = this.tenancy.repositories(tenantId);
 
     this.logger.info('[bill] trying to create a new bill', {
       tenantId,
@@ -236,7 +236,7 @@ export default class BillsService extends SalesInvoicesCost {
       billDTO.entries
     );
     // Inserts the bill graph object to the storage.
-    const bill = await Bill.query().insertGraph({ ...billObj });
+    const bill = await billRepository.upsertGraph({ ...billObj });
 
     // Triggers `onBillCreated` event.
     await this.eventDispatcher.dispatch(events.bill.onCreated, {
@@ -275,7 +275,7 @@ export default class BillsService extends SalesInvoicesCost {
     billDTO: IBillEditDTO,
     authorizedUser: ISystemUser
   ): Promise<IBill> {
-    const { Bill } = this.tenancy.models(tenantId);
+    const { billRepository } = this.tenancy.repositories(tenantId);
 
     this.logger.info('[bill] trying to edit bill.', { tenantId, billId });
     const oldBill = await this.getBillOrThrowError(tenantId, billId);
@@ -314,7 +314,7 @@ export default class BillsService extends SalesInvoicesCost {
       billDTO.entries
     );
     // Update the bill transaction.
-    const bill = await Bill.query().upsertGraphAndFetch({
+    const bill = await billRepository.upsertGraph({
       id: billId,
       ...billObj,
     });
@@ -339,7 +339,8 @@ export default class BillsService extends SalesInvoicesCost {
    * @return {void}
    */
   public async deleteBill(tenantId: number, billId: number) {
-    const { Bill, ItemEntry } = this.tenancy.models(tenantId);
+    const { ItemEntry } = this.tenancy.models(tenantId);
+    const { billRepository } = this.tenancy.repositories(tenantId);
 
     // Retrieve the given bill or throw not found error.
     const oldBill = await this.getBillOrThrowError(tenantId, billId);
@@ -351,7 +352,7 @@ export default class BillsService extends SalesInvoicesCost {
       .delete();
 
     // Delete the bill transaction.
-    const deleteBillOper = Bill.query().where('id', billId).delete();
+    const deleteBillOper = billRepository.deleteById(billId);
 
     await Promise.all([deleteBillEntriesOper, deleteBillOper]);