fix(Journals): sync posting datetime with jorunal entries.

server/src/api/controllers/Inventory/InventoryAdjustments.ts

@@ -106,7 +106,6 @@ export default class InventoryAdjustmentsController extends BaseController {
   ) {
     const { tenantId, user } = req;
     const quickInventoryAdjustment = this.matchedBodyData(req);
-    console.log(quickInventoryAdjustment);
 
     try {
       const inventoryAdjustment = await this.inventoryAdjustmentService.createQuickAdjustment(

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

@@ -324,7 +324,7 @@ export default class PaymentReceivesController extends BaseController {
    * @param {Request} req -
    * @param {Response} res -
    */
-   async getPaymentReceiveEditPage(
+  async getPaymentReceiveEditPage(
     req: Request,
     res: Response,
     next: NextFunction

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

@@ -435,9 +435,7 @@ export default class SaleInvoicesController extends BaseController {
       }
       if (error.errorType === 'SALE_INVOICE_NO_IS_REQUIRED') {
         return res.boom.badRequest(null, {
-          errors: [
-            { type: 'SALE_INVOICE_NO_IS_REQUIRED', code: 1500 },
-          ],
+          errors: [{ type: 'SALE_INVOICE_NO_IS_REQUIRED', code: 1500 }],
         });
       }
     }

server/src/database/migrations/20200104232647_create_accounts_transactions_table.js

@@ -15,9 +15,12 @@ exports.up = function(knex) {
     table.integer('item_id').unsigned().nullable().index();
     table.string('note');
     table.integer('user_id').unsigned().index();
-    table.integer('index').unsigned();
+
+    table.integer('index_group').unsigned().index();
+    table.integer('index').unsigned().index();
+
     table.date('date').index();
-    table.timestamps();
+    table.datetime('created_at').index();
   }).raw('ALTER TABLE `ACCOUNTS_TRANSACTIONS` AUTO_INCREMENT = 1000');
 };
 

server/src/database/migrations/20200715194514_create_payment_receives_table.js

@@ -1,14 +1,23 @@
-const { knexSnakeCaseMappers } = require("objection");
+const { knexSnakeCaseMappers } = require('objection');
 
-exports.up = function(knex) {
+exports.up = function (knex) {
   return knex.schema.createTable('payment_receives', (table) => {
     table.increments();
-    table.integer('customer_id').unsigned().index().references('id').inTable('contacts');
+    table
+      .integer('customer_id')
+      .unsigned()
+      .index()
+      .references('id')
+      .inTable('contacts');
     table.date('payment_date').index();
     table.decimal('amount', 13, 3).defaultTo(0);
     table.string('currency_code', 3);
     table.string('reference_no').index();
-    table.integer('deposit_account_id').unsigned().references('id').inTable('accounts');
+    table
+      .integer('deposit_account_id')
+      .unsigned()
+      .references('id')
+      .inTable('accounts');
     table.string('payment_receive_no').nullable();
     table.text('statement');
     table.integer('user_id').unsigned().index();
@@ -16,6 +25,6 @@ exports.up = function(knex) {
   });
 };
 
-exports.down = function(knex) {
+exports.down = function (knex) {
   return knex.schema.dropTableIfExists('payment_receives');
 };

server/src/database/migrations/20200722164251_create_inventory_transactions_table.js

@@ -1,18 +1,17 @@
-
-exports.up = function(knex) {
-  return knex.schema.createTable('inventory_transactions', table => {
+exports.up = function (knex) {
+  return knex.schema.createTable('inventory_transactions', (table) => {
     table.increments('id');
     table.date('date').index();
-
     table.string('direction').index();
-
-    table.integer('item_id').unsigned().index().references('id').inTable('items');
+    table
+      .integer('item_id')
+      .unsigned()
+      .index()
+      .references('id')
+      .inTable('items');
     table.integer('quantity').unsigned();
     table.decimal('rate', 13, 3).unsigned();
 
-    table.integer('lot_number').index();
-    table.integer('cost_account_id').unsigned().index().references('id').inTable('accounts');
- 
     table.string('transaction_type').index();
     table.integer('transaction_id').unsigned().index();
 
@@ -21,6 +20,4 @@ exports.up = function(knex) {
   });
 };
 
-exports.down = function(knex) {
-  
-};
+exports.down = function (knex) {};

server/src/database/migrations/20200722173423_create_items_entries_table.js

@@ -11,6 +11,10 @@ exports.up = function(knex) {
     table.integer('discount').unsigned();
     table.integer('quantity').unsigned();
     table.integer('rate').unsigned();
+
+    table.integer('sell_account_id').unsigned().references('id').inTable('accounts');
+    table.integer('cost_account_id').unsigned().references('id').inTable('accounts');
+
     table.timestamps();
   });
 };

server/src/database/migrations/20200810121807_create_inventory_cost_lot_tracker_table.js

@@ -1,6 +1,5 @@
-
-exports.up = function(knex) {
-  return knex.schema.createTable('inventory_cost_lot_tracker', table => {
+exports.up = function (knex) {
+  return knex.schema.createTable('inventory_cost_lot_tracker', (table) => {
     table.increments();
     table.date('date').index();
     table.string('direction').index();
@@ -10,14 +9,15 @@ exports.up = function(knex) {
     table.decimal('rate', 13, 3);
     table.integer('remaining');
     table.decimal('cost', 13, 3);
-    table.integer('lot_number').index();
 
     table.string('transaction_type').index();
     table.integer('transaction_id').unsigned().index();
+
     table.integer('entry_id').unsigned().index();
-  });  
+    table.datetime('created_at').index();
+  });
 };
 
-exports.down = function(knex) {
+exports.down = function (knex) {
   return knex.schema.dropTableIfExists('inventory_cost_lot_tracker');
 };

server/src/interfaces/Bill.ts

@@ -46,11 +46,13 @@ export interface IBill {
   dueAmount: number,
   overdueDays: number,
 
-  invLotNumber: string,
   openedAt: Date | string,
 
   entries: IItemEntry[],
   userId: number,
+
+  createdAt: Date,
+  updateAt: Date,
 };
 
 export interface IBillsFilter extends IDynamicListFilterDTO { 

server/src/interfaces/BillPayment.ts

@@ -1,3 +1,4 @@
+import { LongDateFormatKey } from "moment";
 
 
 export interface IBillPaymentEntry {
@@ -18,6 +19,8 @@ export interface IBillPayment {
   userId: number,
   entries: IBillPaymentEntry[],
   statement: string,
+  createdAt: Date,
+  updatedAt: Date,
 }
 
 export interface IBillPaymentEntryDTO {

server/src/interfaces/InventoryAdjustment.ts

@@ -24,6 +24,7 @@ export interface IInventoryAdjustment {
   entries: IInventoryAdjustmentEntry[];
   userId: number;
   publishedAt?: Date|null;
+  createdAt?: Date,
 }
 
 export interface IInventoryAdjustmentEntry {

server/src/interfaces/InventoryTransaction.ts

@@ -10,7 +10,6 @@ export interface IInventoryTransaction {
   rate: number,
   transactionType: string,
   transactionId: number,
-  lotNumber: number,
   entryId: number,
   createdAt?: Date,
   updatedAt?: Date,
@@ -25,10 +24,12 @@ export interface IInventoryLotCost {
   rate: number,
   remaining: number,
   cost: number,
-  lotNumber: number,
   transactionType: string,
   transactionId: number,
-  entryId: number
+  costAccountId: number,
+  sellAccountId: number,
+  entryId: number,
+  createdAt: Date,
 };
 
 export interface IItemsQuantityChanges {

server/src/interfaces/ItemEntry.ts

@@ -14,6 +14,9 @@ export interface IItemEntry {
   discount: number,
   quantity: number,
   rate: number,
+
+  sellAccountId: number,
+  costAccountId: number,
 }
 
 export interface IItemEntryDTO {

server/src/interfaces/ManualJournal.ts

@@ -13,6 +13,8 @@ export interface IManualJournal {
   description: string;
   userId: number;
   entries: IManualJournalEntry[];
+  createdAt: Date;
+  updatedAt: Date;
 }
 
 export interface IManualJournalEntry {

server/src/interfaces/PaymentReceive.ts

@@ -11,6 +11,8 @@ export interface IPaymentReceive {
   statement: string;
   entries: IPaymentReceiveEntry[];
   userId: number;
+  createdAt: Date,
+  updatedAt: Date,
 }
 export interface IPaymentReceiveCreateDTO {
   customerId: number;

server/src/interfaces/SaleInvoice.ts

@@ -16,6 +16,7 @@ export interface ISaleInvoice {
   entries: IItemEntry[];
   deliveredAt: string | Date;
   userId: number;
+  createdAt: Date,
 }
 
 export interface ISaleInvoiceDTO {

server/src/interfaces/SaleReceipt.ts

@@ -14,6 +14,8 @@ export interface ISaleReceipt {
   statement: string;
   closedAt: Date | string;
   entries: any[];
+  createdAt: Date,
+  updatedAt: Date,
 }
 
 export interface ISalesReceiptsFilter {}

server/src/jobs/writeInvoicesJEntries.ts

@@ -21,6 +21,9 @@ export default class WriteInvoicesJournalEntries {
     agenda.on(`complete:${eventName}`, this.onJobCompleted.bind(this));
   }
 
+  /**
+   * Handle the job execuation. 
+   */
   public async handler(job, done: Function): Promise<void> {
     const Logger = Container.get('logger');
     const { startingDate, tenantId } = job.attrs.data;

server/src/models/AccountTransaction.js

@@ -112,12 +112,10 @@ export default class AccountTransaction extends TenantModel {
       filterContactIds(query, contactIds) {
         query.whereIn('contact_id', contactIds);
       },
-
       openingBalance(query, fromDate) {
         query.modify('filterDateRange', null, fromDate)
         query.modify('sumationCreditDebit')
       },
-
       closingBalance(query, toDate) {
         query.modify('filterDateRange', null, toDate)
         query.modify('sumationCreditDebit')

server/src/models/DateSession.js

@@ -11,8 +11,10 @@ export default (Model) => {
       const maybePromise = super.$beforeUpdate(opt, context);
 
       return Promise.resolve(maybePromise).then(() => {
-        if (this.timestamps[1]) {
-          this[this.timestamps[1]] = moment().format('YYYY/MM/DD HH:mm:ss');
+        const key = this.timestamps[1];
+
+        if (key && !this[key]) {
+          this[key] = moment().format('YYYY/MM/DD HH:mm:ss');
         }
       });
     }
@@ -21,8 +23,10 @@ export default (Model) => {
       const maybePromise = super.$beforeInsert(context);
 
       return Promise.resolve(maybePromise).then(() => {
-        if (this.timestamps[0]) {
-          this[this.timestamps[0]] = moment().format('YYYY/MM/DD HH:mm:ss');
+        const key = this.timestamps[0];
+
+        if (key && !this[key]) {
+          this[key] = moment().format('YYYY/MM/DD HH:mm:ss');
         }
       });
     }

server/src/models/InventoryCostLotTracker.js

@@ -22,7 +22,7 @@ export default class InventoryCostLotTracker extends TenantModel {
    */
   static get modifiers() {
     return {
-      groupedEntriesCost(query) {
+      groupedEntriesCost(query) { 
         query.select(['date', 'item_id', 'transaction_id', 'transaction_type']);
         query.sum('cost as cost');
 
@@ -46,12 +46,13 @@ export default class InventoryCostLotTracker extends TenantModel {
     };
   }
 
-
   /**
    * Relationship mapping.
    */
   static get relationMappings() {
     const Item = require('models/Item');
+    const SaleInvoice = require('models/SaleInvoice');
+    const ItemEntry = require('models/ItemEntry');
 
     return {
       item: {
@@ -62,6 +63,25 @@ export default class InventoryCostLotTracker extends TenantModel {
           to: 'items.id',
         },
       },
+      invoice: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: SaleInvoice.default,
+        join: {
+          from: 'inventory_cost_lot_tracker.transactionId',
+          to: 'sales_invoices.id',
+        },
+        filter(query) {
+          query.where('transaction_type', 'SaleInvoice');
+        },
+      },
+      itemEntry: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: ItemEntry.default,
+        join: {
+          from: 'inventory_cost_lot_tracker.entryId',
+          to: 'items_entries.id',
+        },
+      }
     };
   }
 }

server/src/models/InventoryTransaction.js

@@ -42,6 +42,7 @@ export default class InventoryTransaction extends TenantModel {
    */
   static get relationMappings() {
     const Item = require('models/Item');
+    const ItemEntry = require('models/ItemEntry');
 
     return {
       item: {
@@ -52,6 +53,14 @@ export default class InventoryTransaction extends TenantModel {
           to: 'items.id',
         },
       },
+      itemEntry: {
+        relation: Model.BelongsToOneRelation,
+        modelClass: ItemEntry.default,
+        join: {
+          from: 'inventory_transactions.entryId',
+          to: 'items_entries.id',
+        },
+      }
     };
   }
 }

server/src/repositories/AccountTransactionRepository.ts

@@ -13,7 +13,8 @@ interface IJournalTransactionsFilter {
   contactType?: string,
   referenceType?: string[],
   referenceId?: number[],
-  index: number|number[]
+  index: number|number[],
+  indexGroup: number|number[],
 };
 
 export default class AccountTransactionsRepository extends TenantRepository {
@@ -58,6 +59,13 @@ export default class AccountTransactionsRepository extends TenantRepository {
               query.where('index', filter.index);
             }
           }
+          if (filter.indexGroup) {
+            if (Array.isArray(filter.indexGroup)) {
+              query.whereIn('index_group', filter.indexGroup);
+            } else {
+              query.where('index_group', filter.indexGroup);
+            }
+          }
         });
     });
   }

server/src/services/Accounting/JournalCommands.ts

@@ -1,11 +1,13 @@
-import { sumBy, chain } from 'lodash';
-import moment, { LongDateFormatKey } from 'moment';
-import { IBill, IManualJournalEntry, ISaleReceipt, ISystemUser } from 'interfaces';
+import moment from 'moment';
+import {
+  IBill,
+  IManualJournalEntry,
+  ISaleReceipt,
+  ISystemUser,
+} from 'interfaces';
 import JournalPoster from './JournalPoster';
 import JournalEntry from './JournalEntry';
-import { AccountTransaction } from 'models';
 import {
-  IInventoryTransaction,
   IManualJournal,
   IExpense,
   IExpenseCategory,
@@ -14,6 +16,7 @@ import {
   IInventoryLotCost,
   IItemEntry,
 } from 'interfaces';
+import { increment } from 'utils';
 
 export default class JournalCommands {
   journal: JournalPoster;
@@ -61,6 +64,8 @@ export default class JournalCommands {
 
       referenceNumber: bill.referenceNo,
       transactionNumber: bill.billNumber,
+
+      createdAt: bill.createdAt,
     };
     // Overrides the old bill entries.
     if (override) {
@@ -90,9 +95,9 @@ export default class JournalCommands {
         account:
           ['inventory'].indexOf(item.type) !== -1
             ? item.inventoryAccountId
-            : item.costAccountId,
+            : entry.costAccountId,
         index: index + 2,
-        itemId: entry.itemId
+        itemId: entry.itemId,
       });
       this.journal.debit(debitEntry);
     });
@@ -257,7 +262,7 @@ export default class JournalCommands {
     const transactions = await transactionsRepository.journal({
       fromDate: startingDate,
       referenceType: ['SaleInvoice'],
-      index: [3, 4],
+      indexGroup: 20
     });
     this.journal.fromTransactions(transactions);
     this.journal.removeEntries();
@@ -265,11 +270,9 @@ export default class JournalCommands {
 
   /**
    * Reverts sale invoice the income journal entries.
-   * @param {number} saleInvoiceId 
+   * @param {number} saleInvoiceId
    */
-  async revertInvoiceIncomeEntries(
-    saleInvoiceId: number,
-  ) {
+  async revertInvoiceIncomeEntries(saleInvoiceId: number) {
     const { transactionsRepository } = this.repositories;
 
     const transactions = await transactionsRepository.journal({
@@ -289,6 +292,7 @@ export default class JournalCommands {
     const commonEntry = {
       transaction_number: manualJournalObj.journalNumber,
       reference_number: manualJournalObj.reference,
+      createdAt: manualJournalObj.createdAt,
     };
     manualJournalObj.entries.forEach((entry: IManualJournalEntry) => {
       const jouranlEntry = new JournalEntry({
@@ -317,36 +321,50 @@ export default class JournalCommands {
    * -------
    * - Cost of goods sold -> Debit -> YYYY
    *    - Inventory assets -> Credit -> YYYY
-   *
+   * --------
    * @param {ISaleInvoice} saleInvoice
    * @param {JournalPoster} journal
    */
   saleInvoiceInventoryCost(
-    inventoryCostLot: IInventoryLotCost & { item: IItem }
+    inventoryCostLots: IInventoryLotCost &
+      { item: IItem; itemEntry: IItemEntry }[]
   ) {
-    const commonEntry = {
-      referenceType: inventoryCostLot.transactionType,
-      referenceId: inventoryCostLot.transactionId,
-      date: inventoryCostLot.date,
-    };
-    // XXX Debit - Cost account.
-    const costEntry = new JournalEntry({
-      ...commonEntry,
-      debit: inventoryCostLot.cost,
-      account: inventoryCostLot.item.costAccountId,
-      index: 3,
-      itemId: inventoryCostLot.itemId
-    });
-    // XXX Credit - Inventory account.
-    const inventoryEntry = new JournalEntry({
-      ...commonEntry,
-      credit: inventoryCostLot.cost,
-      account: inventoryCostLot.item.inventoryAccountId,
-      index: 4,
-      itemId: inventoryCostLot.itemId
-    });
-    this.journal.credit(inventoryEntry);
-    this.journal.debit(costEntry);
+    const getIndexIncrement = increment(0);
+
+    inventoryCostLots.forEach(
+      (
+        inventoryCostLot: IInventoryLotCost & {
+          item: IItem;
+          itemEntry: IItemEntry;
+        }
+      ) => {
+        const commonEntry = {
+          referenceType: inventoryCostLot.transactionType,
+          referenceId: inventoryCostLot.transactionId,
+          date: inventoryCostLot.date,
+          indexGroup: 20,
+          createdAt: inventoryCostLot.createdAt,
+        };
+        // XXX Debit - Cost account.
+        const costEntry = new JournalEntry({
+          ...commonEntry,
+          debit: inventoryCostLot.cost,
+          account: inventoryCostLot.itemEntry.costAccountId,
+          itemId: inventoryCostLot.itemId,
+          index: getIndexIncrement(),
+        });
+        // XXX Credit - Inventory account.
+        const inventoryEntry = new JournalEntry({
+          ...commonEntry,
+          credit: inventoryCostLot.cost,
+          account: inventoryCostLot.item.inventoryAccountId,
+          itemId: inventoryCostLot.itemId,
+          index: getIndexIncrement(),
+        });
+        this.journal.credit(inventoryEntry);
+        this.journal.debit(costEntry);
+      }
+    );
   }
 
   /**
@@ -354,7 +372,7 @@ export default class JournalCommands {
    * -----
    * - Receivable accounts -> Debit -> XXXX
    *    - Income -> Credit -> XXXX
-   * 
+   *
    * @param {ISaleInvoice} saleInvoice
    * @param {number} receivableAccountsId
    * @param {number} authorizedUserId
@@ -373,6 +391,9 @@ export default class JournalCommands {
 
       transactionNumber: saleInvoice.invoiceNo,
       referenceNumber: saleInvoice.referenceNo,
+
+      createdAt: saleInvoice.createdAt,
+      indexGroup: 10,
     };
     // XXX Debit - Receivable account.
     const receivableEntry = new JournalEntry({
@@ -384,22 +405,20 @@ export default class JournalCommands {
     });
     this.journal.debit(receivableEntry);
 
-    saleInvoice.entries.forEach(
-      (entry: IItemEntry & { item: IItem }, index: number) => {
-        const income: number = entry.quantity * entry.rate;
+    saleInvoice.entries.forEach((entry: IItemEntry, index: number) => {
+      const income: number = entry.quantity * entry.rate;
 
-        // XXX Credit - Income account.
-        const incomeEntry = new JournalEntry({
-          ...commonEntry,
-          credit: income,
-          account: entry.item.sellAccountId,
-          note: entry.description,
-          index: index + 2,
-          itemId: entry.itemId,
-        });
-        this.journal.credit(incomeEntry);
-      }
-    );
+      // XXX Credit - Income account.
+      const incomeEntry = new JournalEntry({
+        ...commonEntry,
+        credit: income,
+        account: entry.sellAccountId,
+        note: entry.description,
+        index: index + 2,
+        itemId: entry.itemId,
+      });
+      this.journal.credit(incomeEntry);
+    });
   }
 
   /**
@@ -407,7 +426,7 @@ export default class JournalCommands {
    * -----
    * - Deposit account -> Debit -> XXXX
    *    - Income -> Credit -> XXXX
-   * 
+   *
    * @param {ISaleInvoice} saleInvoice
    * @param {number} receivableAccountsId
    * @param {number} authorizedUserId
@@ -415,7 +434,7 @@ export default class JournalCommands {
   async saleReceiptIncomeEntries(
     saleReceipt: ISaleReceipt & {
       entries: IItemEntry & { item: IItem };
-    },
+    }
   ): Promise<void> {
     const commonEntry = {
       referenceType: 'SaleReceipt',
@@ -424,6 +443,7 @@ export default class JournalCommands {
       userId: saleReceipt.userId,
       transactionNumber: saleReceipt.receiptNumber,
       referenceNumber: saleReceipt.referenceNo,
+      createdAt: saleReceipt.createdAt,
     };
     // XXX Debit - Deposit account.
     const depositEntry = new JournalEntry({

server/src/services/Accounting/JournalPoster.ts

@@ -164,10 +164,12 @@ export default class JournalPoster implements IJournalPoster {
     );
 
     const balanceEntries = chain(balanceChanges)
-      .map((change) => change.entries.map(entry => ({
-        ...entry,
-        contactId: change.contactId
-      })))
+      .map((change) =>
+        change.entries.map((entry) => ({
+          ...entry,
+          contactId: change.contactId,
+        }))
+      )
       .flatten()
       .value();
 
@@ -376,6 +378,8 @@ export default class JournalPoster implements IJournalPoster {
     const { transactionsRepository } = this.repositories;
     const saveOperations: Promise<void>[] = [];
 
+    this.logger.info('[journal] trying to insert accounts transactions.');
+
     this.entries.forEach((entry) => {
       const oper = transactionsRepository.create({
         accountId: entry.account,

server/src/services/Inventory/Inventory.ts

@@ -17,7 +17,6 @@ import InventoryCostLotTracker from 'services/Inventory/InventoryCostLotTracker'
 import TenancyService from 'services/Tenancy/TenancyService';
 import events from 'subscribers/events';
 import ItemsEntriesService from 'services/Items/ItemsEntriesService';
-import SettingsMiddleware from 'api/middleware/SettingsMiddleware';
 
 type TCostMethod = 'FIFO' | 'LIFO' | 'AVG';
 
@@ -35,20 +34,27 @@ export default class InventoryService {
   /**
    * Transforms the items entries to inventory transactions.
    */
-  transformItemEntriesToInventory(
-    itemEntries: IItemEntry[],
-    direction: TInventoryTransactionDirection,
-    date: Date | string,
-    lotNumber: number
-  ): IInventoryTransaction[] {
-    return itemEntries.map((entry: IItemEntry) => ({
-      ...pick(entry, ['itemId', 'quantity', 'rate']),
-      lotNumber,
-      transactionType: entry.referenceType,
-      transactionId: entry.referenceId,
-      direction,
-      date,
+  transformItemEntriesToInventory(transaction: {
+    transactionId: number;
+    transactionType: IItemEntryTransactionType;
+
+    date: Date | string;
+    direction: TInventoryTransactionDirection;
+    entries: IItemEntry[];
+    createdAt: Date;
+  }): IInventoryTransaction[] {
+    return transaction.entries.map((entry: IItemEntry) => ({
+      ...pick(entry, [
+        'itemId',
+        'quantity',
+        'rate',
+      ]),
+      transactionType: transaction.transactionType,
+      transactionId: transaction.transactionId,
+      direction: transaction.direction,
+      date: transaction.date,
       entryId: entry.id,
+      createdAt: transaction.createdAt,
     }));
   }
 
@@ -200,7 +206,6 @@ export default class InventoryService {
     }
     return InventoryTransaction.query().insert({
       ...inventoryEntry,
-      lotNumber: inventoryEntry.lotNumber,
     });
   }
 
@@ -215,31 +220,24 @@ export default class InventoryService {
    */
   async recordInventoryTransactionsFromItemsEntries(
     tenantId: number,
-    transactionId: number,
-    transactionType: IItemEntryTransactionType,
-    transactionDate: Date | string,
-    transactionDirection: TInventoryTransactionDirection,
+    transaction: {
+      transactionId: number;
+      transactionType: IItemEntryTransactionType;
+
+      date: Date | string;
+      direction: TInventoryTransactionDirection;
+      entries: IItemEntry[];
+      createdAt: Date | string;
+    },
     override: boolean = false
   ): Promise<void> {
-    // Retrieve the next inventory lot number.
-    const lotNumber = this.getNextLotNumber(tenantId);
-
-    // Loads the inventory items entries of the given sale invoice.
-    const inventoryEntries = await this.itemsEntriesService.getInventoryEntries(
-      tenantId,
-      transactionType,
-      transactionId
-    );
     // Can't continue if there is no entries has inventory items in the invoice.
-    if (inventoryEntries.length <= 0) {
+    if (transaction.entries.length <= 0) {
       return;
     }
     // Inventory transactions.
     const inventoryTranscations = this.transformItemEntriesToInventory(
-      inventoryEntries,
-      transactionDirection,
-      transactionDate,
-      lotNumber
+      transaction
     );
     // Records the inventory transactions of the given sale invoice.
     await this.recordInventoryTransactions(
@@ -247,8 +245,6 @@ export default class InventoryService {
       inventoryTranscations,
       override
     );
-    // Increment and save the next lot number settings.
-    await this.incrementNextLotNumber(tenantId);
   }
 
   /**
@@ -309,49 +305,10 @@ export default class InventoryService {
     });
   }
 
-  /**
-   * Retrieve the lot number after the increment.
-   * @param {number} tenantId - Tenant id.
-   */
-  getNextLotNumber(tenantId: number) {
-    const settings = this.tenancy.settings(tenantId);
-
-    const LOT_NUMBER_KEY = 'lot_number_increment';
-    const storedLotNumber = settings.find({ key: LOT_NUMBER_KEY });
-
-    return storedLotNumber && storedLotNumber.value
-      ? parseInt(storedLotNumber.value, 10)
-      : 1;
-  }
-
-  /**
-   * Increment the next inventory LOT number.
-   * @param {number} tenantId
-   * @return {Promise<number>}
-   */
-  async incrementNextLotNumber(tenantId: number) {
-    const settings = this.tenancy.settings(tenantId);
-
-    const LOT_NUMBER_KEY = 'lot_number_increment';
-    const storedLotNumber = settings.find({ key: LOT_NUMBER_KEY });
-
-    let lotNumber = 1;
-
-    if (storedLotNumber && storedLotNumber.value) {
-      lotNumber = parseInt(storedLotNumber.value, 10);
-      lotNumber += 1;
-    }
-    settings.set({ key: LOT_NUMBER_KEY }, lotNumber);
-
-    await settings.save();
-
-    return lotNumber;
-  }
-
   /**
    * Mark item cost computing is running.
-   * @param {number} tenantId - 
-   * @param {boolean} isRunning - 
+   * @param {number} tenantId -
+   * @param {boolean} isRunning -
    */
   async markItemsCostComputeRunning(
     tenantId: number,
@@ -368,16 +325,16 @@ export default class InventoryService {
   }
 
   /**
-   * 
-   * @param {number} tenantId 
-   * @returns 
+   *
+   * @param {number} tenantId
+   * @returns
    */
   isItemsCostComputeRunning(tenantId) {
     const settings = this.tenancy.settings(tenantId);
 
     return settings.get({
       key: 'cost_compute_running',
-      group: 'inventory'
+      group: 'inventory',
     });
   }
 }

server/src/services/Inventory/InventoryAdjustmentService.ts

@@ -20,6 +20,7 @@ import ItemsService from 'services/Items/ItemsService';
 import DynamicListingService from 'services/DynamicListing/DynamicListService';
 import HasTenancyService from 'services/Tenancy/TenancyService';
 import InventoryService from './Inventory';
+import { increment } from 'utils';
 
 const ERRORS = {
   INVENTORY_ADJUSTMENT_NOT_FOUND: 'INVENTORY_ADJUSTMENT_NOT_FOUND',
@@ -310,24 +311,21 @@ export default class InventoryAdjustmentService {
     inventoryAdjustment: IInventoryAdjustment,
     override: boolean = false
   ): Promise<void> {
-    // Gets the next inventory lot number.
-    const lotNumber = this.inventoryService.getNextLotNumber(tenantId);
-
     const commonTransaction = {
       direction: inventoryAdjustment.inventoryDirection,
       date: inventoryAdjustment.date,
       transactionType: 'InventoryAdjustment',
       transactionId: inventoryAdjustment.id,
+      createdAt: inventoryAdjustment.createdAt
     };
     const inventoryTransactions = [];
-
+    
     inventoryAdjustment.entries.forEach((entry) => {
       inventoryTransactions.push({
         ...commonTransaction,
         itemId: entry.itemId,
         quantity: entry.quantity,
         rate: entry.cost,
-        lotNumber,
       });
     });
     // Saves the given inventory transactions to the storage.
@@ -335,9 +333,7 @@ export default class InventoryAdjustmentService {
       tenantId,
       inventoryTransactions,
       override
-    );
-    // Increment and save the next lot number settings.
-    await this.inventoryService.incrementNextLotNumber(tenantId);
+    )
   }
 
   /**

server/src/services/Inventory/InventoryAverageCost.ts

@@ -50,10 +50,10 @@ export default class InventoryAverageCostMethod
       .modify('filterDateRange', this.startingDate)
       .orderBy('date', 'ASC')
       .orderByRaw("FIELD(direction, 'IN', 'OUT')")
-      .orderBy('lot_number', 'ASC')
+      .orderBy('createdAt', 'ASC')
       .where('item_id', this.itemId)
       .withGraphFetched('item');
-    
+
     // Tracking inventroy transactions and retrieve cost transactions based on
     // average rate cost method.
     const costTransactions = this.trackingCostTransactions(
@@ -164,7 +164,9 @@ export default class InventoryAverageCostMethod
           'entryId',
           'transactionId',
           'transactionType',
-          'lotNumber',
+          'createdAt',
+          'sellAccountId',
+          'costAccountId',
         ]),
       };
       switch (invTransaction.direction) {

server/src/services/Inventory/InventoryCostMethod.ts

@@ -19,10 +19,12 @@ export default class InventoryCostMethod {
 
   /**
    * Stores the inventory lots costs transactions in bulk.
-   * @param  {IInventoryLotCost[]} costLotsTransactions 
+   * @param  {IInventoryLotCost[]} costLotsTransactions
    * @return {Promise[]}
    */
-  public storeInventoryLotsCost(costLotsTransactions: IInventoryLotCost[]): Promise<object> {
+  public storeInventoryLotsCost(
+    costLotsTransactions: IInventoryLotCost[]
+  ): Promise<object> {
     const { InventoryCostLotTracker } = this.tenantModels;
     const opers: any = [];
 
@@ -32,15 +34,13 @@ export default class InventoryCostMethod {
           .where('id', transaction.lotTransId)
           .decrement('remaining', transaction.decrement);
         opers.push(decrementOper);
-
-      } else if(!transaction.lotTransId) {
-        const operation = InventoryCostLotTracker.query()
-          .insert({
-            ...omit(transaction, ['decrement', 'invTransId', 'lotTransId']),
-          });
+      } else if (!transaction.lotTransId) {
+        const operation = InventoryCostLotTracker.query().insert({
+          ...omit(transaction, ['decrement', 'invTransId', 'lotTransId']),
+        });
         opers.push(operation);
       }
     });
     return Promise.all(opers);
   }
-}
+}

server/src/services/Items/ItemsEntriesService.ts

@@ -50,6 +50,29 @@ export default class ItemsEntriesService {
     return inventoryItemsEntries;
   }
 
+  /**
+   * Filter the given entries to inventory entries.
+   * @param {IItemEntry[]} entries -
+   * @returns {IItemEntry[]}
+   */
+  public async filterInventoryEntries(
+    tenantId: number,
+    entries: IItemEntry[]
+  ): Promise<IItemEntry[]> {
+    const { Item } = this.tenancy.models(tenantId);
+    const entriesItemsIds = entries.map((e) => e.itemId);
+
+    // Retrieve entries inventory items.
+    const inventoryItems = await Item.query()
+      .whereIn('id', entriesItemsIds)
+      .where('type', 'inventory');
+
+    const inventoryEntries = entries.filter((entry) =>
+      inventoryItems.some((item) => item.id === entry.itemId)
+    );
+    return inventoryEntries;
+  }
+
   /**
    * Validates the entries items ids.
    * @async

server/src/services/Items/ItemsService.ts

@@ -22,7 +22,6 @@ import {
   ACCOUNT_TYPE,
 } from 'data/AccountTypes';
 import { ERRORS } from './constants';
-import { AccountTransaction } from 'models';
 
 @Service()
 export default class ItemsService implements IItemsService {

server/src/services/Purchases/BillPayments/BillPayments.ts

@@ -569,7 +569,12 @@ export default class BillPaymentsService implements IBillPaymentsService {
       credit: 0,
       referenceId: billPayment.id,
       referenceType: 'BillPayment',
+
+      transactionNumber: billPayment.paymentNumber,
+      referenceNumber: billPayment.reference,
+
       date: formattedDate,
+      createdAt: billPayment.createdAt,
     };
     if (override) {
       const transactions = await AccountTransaction.query()

server/src/services/Purchases/Bills.ts

@@ -1,6 +1,7 @@
 import { omit, sumBy } from 'lodash';
 import moment from 'moment';
 import { Inject, Service } from 'typedi';
+import composeAsync from 'async/compose';
 import {
   EventDispatcher,
   EventDispatcherInterface,
@@ -21,7 +22,8 @@ import {
   IPaginationMeta,
   IFilterMeta,
   IBillsFilter,
-  IBillsService
+  IBillsService,
+  IItemEntry,
 } from 'interfaces';
 import { ServiceError } from 'exceptions';
 import ItemsService from 'services/Items/ItemsService';
@@ -36,7 +38,9 @@ import { ERRORS } from './constants';
  * @service
  */
 @Service('Bills')
-export default class BillsService extends SalesInvoicesCost implements IBillsService {
+export default class BillsService
+  extends SalesInvoicesCost
+  implements IBillsService {
   @Inject()
   inventoryService: InventoryService;
 
@@ -167,6 +171,29 @@ export default class BillsService extends SalesInvoicesCost implements IBillsSer
     }
   }
 
+  /**
+   * Sets the default cost account to the bill entries.
+   */
+  setBillEntriesDefaultAccounts(tenantId: number) {
+    return async (entries: IItemEntry[]) => {
+      const { Item } = this.tenancy.models(tenantId);
+
+      const entriesItemsIds = entries.map((e) => e.itemId);
+      const items = await Item.query().whereIn('id', entriesItemsIds);
+
+      return entries.map((entry) => {
+        const item = items.find((i) => i.id === entry.itemId);
+
+        return {
+          ...entry,
+          ...(item.type !== 'inventory' && {
+            costAccountId: entry.costAccountId || item.costAccountId,
+          }),
+        };
+      });
+    };
+  }
+
   /**
    * Converts create bill DTO to model.
    * @param {number} tenantId
@@ -182,11 +209,7 @@ export default class BillsService extends SalesInvoicesCost implements IBillsSer
   ) {
     const { ItemEntry } = this.tenancy.models(tenantId);
 
-    const entries = billDTO.entries.map((entry) => ({
-      ...entry,
-      amount: ItemEntry.calcAmount(entry),
-    }));
-    const amount = sumBy(entries, 'amount');
+    const amount = sumBy(billDTO.entries, (e) => ItemEntry.calcAmount(e));
 
     // Bill number from DTO or from auto-increment.
     const billNumber = billDTO.billNumber || oldBill?.billNumber;
@@ -196,6 +219,15 @@ export default class BillsService extends SalesInvoicesCost implements IBillsSer
       tenantId,
       billDTO.vendorId
     );
+    const initialEntries = billDTO.entries.map((entry) => ({
+      reference_type: 'Bill',
+      ...omit(entry, ['amount']),
+    }));
+    const entries = await composeAsync(
+      // Sets the default cost account to the bill entries.
+      this.setBillEntriesDefaultAccounts(tenantId)
+    )(initialEntries);
+
     return {
       ...formatDateFields(omit(billDTO, ['open', 'entries']), [
         'billDate',
@@ -204,10 +236,7 @@ export default class BillsService extends SalesInvoicesCost implements IBillsSer
       amount,
       currencyCode: vendor.currencyCode,
       billNumber,
-      entries: entries.map((entry) => ({
-        reference_type: 'Bill',
-        ...omit(entry, ['amount']),
-      })),
+      entries,
       // Avoid rewrite the open date in edit mode when already opened.
       ...(billDTO.open &&
         !oldBill?.openedAt && {
@@ -239,15 +268,6 @@ export default class BillsService extends SalesInvoicesCost implements IBillsSer
   ): Promise<IBill> {
     const { billRepository } = this.tenancy.repositories(tenantId);
 
-    this.logger.info('[bill] trying to create a new bill', {
-      tenantId,
-      billDTO,
-    });
-    const billObj = await this.billDTOToModel(
-      tenantId,
-      billDTO,
-      authorizedUser
-    );
     // Retrieve vendor or throw not found service error.
     await this.getVendorOrThrowError(tenantId, billDTO.vendorId);
 
@@ -264,8 +284,18 @@ export default class BillsService extends SalesInvoicesCost implements IBillsSer
       tenantId,
       billDTO.entries
     );
+    this.logger.info('[bill] trying to create a new bill', {
+      tenantId,
+      billDTO,
+    });
+    // Transform the bill DTO to model object.
+    const billObj = await this.billDTOToModel(
+      tenantId,
+      billDTO,
+      authorizedUser
+    );
     // Inserts the bill graph object to the storage.
-    const bill = await billRepository.upsertGraph({ ...billObj });
+    const bill = await billRepository.upsertGraph(billObj);
 
     // Triggers `onBillCreated` event.
     await this.eventDispatcher.dispatch(events.bill.onCreated, {
@@ -309,13 +339,6 @@ export default class BillsService extends SalesInvoicesCost implements IBillsSer
     this.logger.info('[bill] trying to edit bill.', { tenantId, billId });
     const oldBill = await this.getBillOrThrowError(tenantId, billId);
 
-    // Transforms the bill DTO object to model object.
-    const billObj = await this.billDTOToModel(
-      tenantId,
-      billDTO,
-      authorizedUser,
-      oldBill
-    );
     // Retrieve vendor details or throw not found service error.
     await this.getVendorOrThrowError(tenantId, billDTO.vendorId);
 
@@ -340,6 +363,13 @@ export default class BillsService extends SalesInvoicesCost implements IBillsSer
       tenantId,
       billDTO.entries
     );
+    // Transforms the bill DTO to model object.
+    const billObj = await this.billDTOToModel(
+      tenantId,
+      billDTO,
+      authorizedUser,
+      oldBill
+    );
     // Update the bill transaction.
     const bill = await billRepository.upsertGraph({
       id: billId,
@@ -498,8 +528,8 @@ export default class BillsService extends SalesInvoicesCost implements IBillsSer
 
   /**
    * Records the inventory transactions from the given bill input.
-   * @param {Bill} bill - Bill model object.
-   * @param {number} billId - Bill id.
+   * @param  {Bill} bill - Bill model object.
+   * @param  {number} billId - Bill id.
    * @return {Promise<void>}
    */
   public async recordInventoryTransactions(
@@ -507,19 +537,25 @@ export default class BillsService extends SalesInvoicesCost implements IBillsSer
     bill: IBill,
     override?: boolean
   ): Promise<void> {
+    // Loads the inventory items entries of the given sale invoice.
+    const inventoryEntries = await this.itemsEntriesService.filterInventoryEntries(
+      tenantId,
+      bill.entries
+    );
+    const transaction = {
+      transactionId: bill.id,
+      transactionType: 'Bill',
+
+      date: bill.billDate,
+      direction: 'IN',
+      entries: inventoryEntries,
+      createdAt: bill.createdAt,
+    };
     await this.inventoryService.recordInventoryTransactionsFromItemsEntries(
       tenantId,
-      bill.id,
-      'Bill',
-      bill.billDate,
-      'IN',
+      transaction,
       override
     );
-    // Triggers `onInventoryTransactionsCreated` event.
-    this.eventDispatcher.dispatch(events.bill.onInventoryTransactionsCreated, {
-      tenantId,
-      bill,
-    });
   }
 
   /**
@@ -582,10 +618,7 @@ export default class BillsService extends SalesInvoicesCost implements IBillsSer
    * @param {number} tenantId
    * @param {number} vendorId - Vendor id.
    */
-  public async validateVendorHasNoBills(
-    tenantId: number,
-    vendorId: number
-  ) {
+  public async validateVendorHasNoBills(tenantId: number, vendorId: number) {
     const { Bill } = this.tenancy.models(tenantId);
 
     const bills = await Bill.query().where('vendor_id', vendorId);

server/src/services/Sales/PaymentReceives/PaymentsReceives.ts

@@ -678,8 +678,13 @@ export default class PaymentReceiveService implements IPaymentsReceiveService {
       credit: 0,
       referenceId: paymentReceive.id,
       referenceType: 'PaymentReceive',
+
+      transactionNumber: paymentReceive.paymentReceiveNo,
+      referenceNumber: paymentReceive.referenceNo,
+
       date: paymentReceive.paymentDate,
       userId: authorizedUserId,
+      createdAt: paymentReceive.createdAt,
     };
     if (override) {
       const transactions = await transactionsRepository.journal({

server/src/services/Sales/SalesInvoices.ts

@@ -1,6 +1,7 @@
 import { Service, Inject } from 'typedi';
-import { omit, sumBy, join } from 'lodash';
+import { omit, sumBy, join, entries } from 'lodash';
 import moment from 'moment';
+import composeAsync from 'async/compose';
 import {
   EventDispatcher,
   EventDispatcherInterface,
@@ -15,7 +16,7 @@ import {
   ISystemUser,
   IItem,
   IItemEntry,
-  ISalesInvoicesService
+  ISalesInvoicesService,
 } from 'interfaces';
 import JournalPoster from 'services/Accounting/JournalPoster';
 import JournalCommands from 'services/Accounting/JournalCommands';
@@ -181,6 +182,30 @@ export default class SaleInvoicesService implements ISalesInvoicesService {
     );
   }
 
+  /**
+   * Sets the cost/sell accounts to the invoice entries.
+   */
+  setInvoiceEntriesDefaultAccounts(tenantId: number) {
+    return async (entries: IItemEntry[]) => {
+      const { Item } = this.tenancy.models(tenantId);
+
+      const entriesItemsIds = entries.map((e) => e.itemId);
+      const items = await Item.query().whereIn('id', entriesItemsIds);
+
+      return entries.map((entry) => {
+        const item = items.find((i) => i.id === entry.itemId);
+
+        return {
+          ...entry,
+          sellAccountId: entry.sellAccountId || item.sellAccountId,
+          ...(item.type === 'inventory' && {
+            costAccountId: entry.costAccountId || item.costAccountId,
+          }),
+        };
+      });
+    };
+  }
+
   /**
    * Transformes the create DTO to invoice object model.
    * @param {ISaleInvoiceCreateDTO} saleInvoiceDTO - Sale invoice DTO.
@@ -212,6 +237,16 @@ export default class SaleInvoicesService implements ISalesInvoicesService {
     // Validate the invoice is required.
     this.validateInvoiceNoRequire(invoiceNo);
 
+    const initialEntries = saleInvoiceDTO.entries.map((entry) => ({
+      referenceType: 'SaleInvoice',
+      ...entry,
+    }));
+
+    const entries = await composeAsync(
+      // Sets default cost and sell account to invoice items entries.
+      this.setInvoiceEntriesDefaultAccounts(tenantId)
+    )(initialEntries);
+
     return {
       ...formatDateFields(
         omit(saleInvoiceDTO, ['delivered', 'entries', 'fromEstimateId']),
@@ -227,10 +262,7 @@ export default class SaleInvoicesService implements ISalesInvoicesService {
       // Avoid override payment amount in edit mode.
       ...(!oldSaleInvoice && { paymentAmount: 0 }),
       ...(invoiceNo ? { invoiceNo } : {}),
-      entries: saleInvoiceDTO.entries.map((entry) => ({
-        referenceType: 'SaleInvoice',
-        ...entry,
-      })),
+      entries,
     };
   }
 
@@ -259,23 +291,11 @@ export default class SaleInvoicesService implements ISalesInvoicesService {
   ): Promise<ISaleInvoice> {
     const { saleInvoiceRepository } = this.tenancy.repositories(tenantId);
 
-    // Transform DTO object to model object.
-    const saleInvoiceObj = await this.transformDTOToModel(
-      tenantId,
-      saleInvoiceDTO
-    );
     // Validate customer existance.
     await this.customersService.getCustomerByIdOrThrowError(
       tenantId,
       saleInvoiceDTO.customerId
     );
-    // Validate sale invoice number uniquiness.
-    if (saleInvoiceObj.invoiceNo) {
-      await this.validateInvoiceNumberUnique(
-        tenantId,
-        saleInvoiceObj.invoiceNo
-      );
-    }
     // Validate the from estimate id exists on the storage.
     if (saleInvoiceDTO.fromEstimateId) {
       const fromEstimate = await this.saleEstimatesService.getSaleEstimateOrThrowError(
@@ -295,11 +315,21 @@ export default class SaleInvoicesService implements ISalesInvoicesService {
       tenantId,
       saleInvoiceDTO.entries
     );
-
+    // Transform DTO object to model object.
+    const saleInvoiceObj = await this.transformDTOToModel(
+      tenantId,
+      saleInvoiceDTO
+    );
+    // Validate sale invoice number uniquiness.
+    if (saleInvoiceObj.invoiceNo) {
+      await this.validateInvoiceNumberUnique(
+        tenantId,
+        saleInvoiceObj.invoiceNo
+      );
+    }
     this.logger.info('[sale_invoice] inserting sale invoice to the storage.');
-    const saleInvoice = await saleInvoiceRepository.upsertGraph({
-      ...saleInvoiceObj,
-    });
+    const saleInvoice = await saleInvoiceRepository.upsertGraph(saleInvoiceObj);
+
     // Triggers the event `onSaleInvoiceCreated`.
     await this.eventDispatcher.dispatch(events.saleInvoice.onCreated, {
       tenantId,
@@ -337,25 +367,11 @@ export default class SaleInvoicesService implements ISalesInvoicesService {
       tenantId,
       saleInvoiceId
     );
-    // Transform DTO object to model object.
-    const saleInvoiceObj = await this.transformDTOToModel(
-      tenantId,
-      saleInvoiceDTO,
-      oldSaleInvoice
-    );
     // Validate customer existance.
     await this.customersService.getCustomerByIdOrThrowError(
       tenantId,
       saleInvoiceDTO.customerId
     );
-    // Validate sale invoice number uniquiness.
-    if (saleInvoiceDTO.invoiceNo) {
-      await this.validateInvoiceNumberUnique(
-        tenantId,
-        saleInvoiceDTO.invoiceNo,
-        saleInvoiceId
-      );
-    }
     // Validate items ids existance.
     await this.itemsEntriesService.validateItemsIdsExistance(
       tenantId,
@@ -373,6 +389,20 @@ export default class SaleInvoicesService implements ISalesInvoicesService {
       'SaleInvoice',
       saleInvoiceDTO.entries
     );
+    // Transform DTO object to model object.
+    const saleInvoiceObj = await this.transformDTOToModel(
+      tenantId,
+      saleInvoiceDTO,
+      oldSaleInvoice
+    );
+    // Validate sale invoice number uniquiness.
+    if (saleInvoiceObj.invoiceNo) {
+      await this.validateInvoiceNumberUnique(
+        tenantId,
+        saleInvoiceDTO.invoiceNo,
+        saleInvoiceId
+      );
+    }
     // Validate the invoice amount is not smaller than the invoice payment amount.
     this.validateInvoiceAmountBiggerPaymentAmount(
       saleInvoiceObj.balance,
@@ -445,7 +475,8 @@ export default class SaleInvoicesService implements ISalesInvoicesService {
     const { ItemEntry } = this.tenancy.models(tenantId);
     const { saleInvoiceRepository } = this.tenancy.repositories(tenantId);
 
-    // Retrieve the given sale invoice with associated entries or throw not found error.
+    // Retrieve the given sale invoice with associated entries
+    // or throw not found error.
     const oldSaleInvoice = await this.getInvoiceOrThrowError(
       tenantId,
       saleInvoiceId
@@ -497,12 +528,23 @@ export default class SaleInvoicesService implements ISalesInvoicesService {
     saleInvoice: ISaleInvoice,
     override?: boolean
   ): Promise<void> {
+    // Loads the inventory items entries of the given sale invoice.
+    const inventoryEntries = await this.itemsEntriesService.filterInventoryEntries(
+      tenantId,
+      saleInvoice.entries
+    );
+    const transaction = {
+      transactionId: saleInvoice.id,
+      transactionType: 'SaleInvoice',
+
+      date: saleInvoice.invoiceDate,
+      direction: 'OUT',
+      entries: inventoryEntries,
+      createdAt: saleInvoice.created_at,
+    };
     await this.inventoryService.recordInventoryTransactionsFromItemsEntries(
       tenantId,
-      saleInvoice.id,
-      'SaleInvoice',
-      saleInvoice.invoiceDate,
-      'OUT',
+      transaction,
       override
     );
   }

server/src/services/Sales/SalesInvoicesCost.ts

@@ -1,5 +1,5 @@
 import { Container, Service, Inject } from 'typedi';
-import { chain } from 'lodash';
+import { chain, groupBy } from 'lodash';
 import moment from 'moment';
 import JournalPoster from 'services/Accounting/JournalPoster';
 import InventoryService from 'services/Inventory/Inventory';
@@ -108,6 +108,20 @@ export default class SaleInvoicesCost {
     });
   }
 
+  /**
+   * Grpups by transaction type and id the inventory transactions.
+   * @param {IInventoryTransaction} invTransactions
+   * @returns
+   */
+  inventoryTransactionsGroupByType(
+    invTransactions: { transactionType: string; transactionId: number }[]
+  ): { transactionType: string; transactionId: number }[][] {
+    return chain(invTransactions)
+      .groupBy((t) => `${t.transactionType}-${t.transactionId}`)
+      .values()
+      .value();
+  }
+
   /**
    * Writes journal entries from sales invoices.
    * @param {number} tenantId - The tenant id.
@@ -124,25 +138,28 @@ export default class SaleInvoicesCost {
 
     const inventoryCostLotTrans = await InventoryCostLotTracker.query()
       .where('direction', 'OUT')
-      .modify('groupedEntriesCost')
       .modify('filterDateRange', startingDate)
       .orderBy('date', 'ASC')
       .where('cost', '>', 0)
-      .withGraphFetched('item');
+      .withGraphFetched('item')
+      .withGraphFetched('itemEntry');
 
     const accountsDepGraph = await accountRepository.getDependencyGraph();
 
     const journal = new JournalPoster(tenantId, accountsDepGraph);
     const journalCommands = new JournalCommands(journal);
 
+    // Groups the inventory cost lots transactions.
+    const inventoryTransactions = this.inventoryTransactionsGroupByType(
+      inventoryCostLotTrans
+    );
     if (override) {
       await journalCommands.revertInventoryCostJournalEntries(startingDate);
     }
-    inventoryCostLotTrans.forEach(
-      (inventoryCostLot: IInventoryLotCost & { item: IItem }) => {
-        journalCommands.saleInvoiceInventoryCost(inventoryCostLot);
-      }
-    );
+    inventoryTransactions.forEach((inventoryLots) => {
+      journalCommands.saleInvoiceInventoryCost(inventoryLots);
+    });
+
     return Promise.all([
       journal.deleteEntries(),
       journal.saveEntries(),

server/src/subscribers/SaleInvoices/WriteJournalEntries.ts

@@ -51,15 +51,9 @@ export default class SaleInvoiceSubscriber {
     saleInvoice,
     authorizedUser,
   }) {
-    const { saleInvoiceRepository } = this.tenancy.repositories(tenantId);
-
-    const saleInvoiceWithItems = await saleInvoiceRepository.findOneById(
-      saleInvoiceId,
-      'entries.item'
-    );
     await this.saleInvoicesService.writesIncomeJournalEntries(
       tenantId,
-      saleInvoiceWithItems,
+      saleInvoice,
       true
     );
   }

server/src/utils/index.ts

@@ -313,7 +313,16 @@ export const parseBoolean = <T>(value: any, defaultValue: T): T | boolean => {
   return booleanValuesRepresentingTrue.indexOf(normalizedValue) !== -1;
 };
 
+var increment = (n) => {
+  return () => {
+    n += 1;
+    return n;
+  };
+};
+
+
 export {
+  increment,
   hashPassword,
   origin,
   dateRangeCollection,