feat: trigger compute items cost once the sale invoice and bill be edited or deleted.

server/src/loaders/tenantRepositories.ts

@@ -12,6 +12,7 @@ import ExpenseEntryRepository from 'repositories/ExpenseEntryRepository';
 import BillRepository from 'repositories/BillRepository';
 import SaleInvoiceRepository from 'repositories/SaleInvoiceRepository';
 import ItemRepository from 'repositories/ItemRepository';
+import InventoryTransactionRepository from 'repositories/InventoryTransactionRepository';
 
 export default (knex, cache) => {
   return {
@@ -29,5 +30,6 @@ export default (knex, cache) => {
     billRepository: new BillRepository(knex, cache),
     saleInvoiceRepository: new SaleInvoiceRepository(knex, cache),
     itemRepository: new ItemRepository(knex, cache),
+    inventoryTransactionRepository: new InventoryTransactionRepository(knex, cache),
   };
 };

server/src/repositories/InventoryTransactionRepository.ts

@@ -0,0 +1,11 @@
+import TenantRepository from 'repositories/TenantRepository';
+import { InventoryTransaction } from 'models';
+
+export default class InventoryTransactionRepository extends TenantRepository {
+  /**
+   * Gets the repository's model.
+   */
+  get model() {
+    return InventoryTransaction.bindKnex(this.knex);
+  }
+}

server/src/services/Accounting/JournalCommands.ts

@@ -239,7 +239,7 @@ export default class JournalCommands{
       .whereIn('reference_id', Array.isArray(referenceId) ? referenceId : [referenceId])
       .withGraphFetched('account.type');
 
-    this.journal.loadEntries(transactions);
+    this.journal.fromTransactions(transactions);
     this.journal.removeEntries();
   }
 

server/src/services/Purchases/Bills.ts

@@ -392,7 +392,7 @@ export default class BillsService extends SalesInvoicesCost {
       billId,
       'IN',
       billDate,
-      lotNumber,
+      lotNumber
     );
     // Records the inventory transactions.
     await this.inventoryService.recordInventoryTransactions(
@@ -418,11 +418,25 @@ export default class BillsService extends SalesInvoicesCost {
    * @return {Promise<void>}
    */
   public async revertInventoryTransactions(tenantId: number, billId: number) {
+    const { inventoryTransactionRepository } = this.tenancy.repositories(
+      tenantId
+    );
+
+    // Retrieve the inventory transactions of the given sale invoice.
+    const oldInventoryTransactions = await inventoryTransactionRepository.find({
+      transactionId: billId,
+      transactionType: 'Bill',
+    });
     await this.inventoryService.deleteInventoryTransactions(
       tenantId,
       billId,
       'Bill'
     );
+    // Triggers 'onInventoryTransactionsDeleted' event.
+    this.eventDispatcher.dispatch(
+      events.bill.onInventoryTransactionsDeleted,
+      { tenantId, billId, oldInventoryTransactions }
+    );
   }
 
   /**

server/src/services/Sales/SalesInvoices.ts

@@ -1,5 +1,5 @@
 import { Service, Inject } from 'typedi';
-import { omit, sumBy, map } from 'lodash';
+import { omit, sumBy } from 'lodash';
 import moment from 'moment';
 import {
   EventDispatcher,
@@ -106,7 +106,8 @@ export default class SaleInvoicesService extends SalesInvoicesCost {
    */
   async getInvoiceOrThrowError(tenantId: number, saleInvoiceId: number) {
     const { SaleInvoice } = this.tenancy.models(tenantId);
-    const saleInvoice = await SaleInvoice.query().findById(saleInvoiceId)
+    const saleInvoice = await SaleInvoice.query()
+      .findById(saleInvoiceId)
       .withGraphFetched('entries');
 
     if (!saleInvoice) {
@@ -183,7 +184,6 @@ export default class SaleInvoicesService extends SalesInvoicesCost {
       tenantId,
       saleInvoiceDTO.entries
     );
-
     // Validate items should be sellable items.
     await this.itemsEntriesService.validateNonSellableEntriesItems(
       tenantId,
@@ -227,7 +227,6 @@ export default class SaleInvoicesService extends SalesInvoicesCost {
       tenantId,
       saleInvoiceId
     );
-
     // Transform DTO object to model object.
     const saleInvoiceObj = this.transformDTOToModel(
       tenantId,
@@ -325,10 +324,17 @@ export default class SaleInvoicesService extends SalesInvoicesCost {
   ): Promise<void> {
     const { SaleInvoice, ItemEntry } = this.tenancy.models(tenantId);
 
+    // Retrieve the given sale invoice with associated entries or throw not found error.
     const oldSaleInvoice = await this.getInvoiceOrThrowError(
       tenantId,
       saleInvoiceId
     );
+    // Triggers `onSaleInvoiceDelete` event.
+    await this.eventDispatcher.dispatch(events.saleInvoice.onDelete, {
+      tenantId,
+      saleInvoice: oldSaleInvoice,
+      saleInvoiceId,
+    });
     // Unlink the converted sale estimates from the given sale invoice.
     await this.saleEstimatesService.unlinkConvertedEstimateFromInvoice(
       tenantId,
@@ -448,6 +454,14 @@ export default class SaleInvoicesService extends SalesInvoicesCost {
     tenantId: number,
     saleInvoiceId: number
   ): Promise<void> {
+    const { inventoryTransactionRepository } = this.tenancy.repositories(tenantId);
+
+    // Retrieve the inventory transactions of the given sale invoice.
+    const oldInventoryTransactions = await inventoryTransactionRepository.find({
+      transactionId: saleInvoiceId,
+      transactionType: 'SaleInvoice',
+    });
+    // Delete the inventory transaction of the given sale invoice.
     await this.inventoryService.deleteInventoryTransactions(
       tenantId,
       saleInvoiceId,
@@ -456,7 +470,7 @@ export default class SaleInvoicesService extends SalesInvoicesCost {
     // Triggers 'onInventoryTransactionsDeleted' event.
     this.eventDispatcher.dispatch(
       events.saleInvoice.onInventoryTransactionsDeleted,
-      { tenantId, saleInvoiceId }
+      { tenantId, saleInvoiceId, oldInventoryTransactions }
     );
   }
 
@@ -482,40 +496,6 @@ export default class SaleInvoicesService extends SalesInvoicesCost {
     return saleInvoice;
   }
 
-  /**
-   * Schedules compute sale invoice items cost based on each item
-   * cost method.
-   * @param  {ISaleInvoice} saleInvoice
-   * @return {Promise}
-   */
-  async scheduleComputeInvoiceItemsCost(
-    tenantId: number,
-    saleInvoiceId: number,
-    override?: boolean
-  ) {
-    const { SaleInvoice, Item } = this.tenancy.models(tenantId);
-
-    // Retrieve the sale invoice with associated entries.
-    const saleInvoice: ISaleInvoice = await SaleInvoice.query()
-      .findById(saleInvoiceId)
-      .withGraphFetched('entries');
-
-    // Retrieve the inventory items that associated to the sale invoice entries.
-    const inventoryItems = await Item.query()
-      .whereIn('id', map(saleInvoice.entries, 'itemId'))
-      .where('type', 'inventory');
-
-    const inventoryItemsIds = map(inventoryItems, 'id');
-
-    if (inventoryItemsIds.length > 0) {
-      await this.scheduleComputeItemsCost(
-        tenantId,
-        inventoryItemsIds,
-        saleInvoice.invoiceDate
-      );
-    }
-  }
-
   /**
    * Retrieve sales invoices filterable and paginated list.
    * @param {Request} req

server/src/services/Sales/SalesInvoicesCost.ts

@@ -1,6 +1,6 @@
 import { Container, Service, Inject } from 'typedi';
+import { map } from 'lodash';
 import JournalPoster from 'services/Accounting/JournalPoster';
-import JournalEntry from 'services/Accounting/JournalEntry';
 import InventoryService from 'services/Inventory/Inventory';
 import TenancyService from 'services/Tenancy/TenancyService';
 import { ISaleInvoice, IItemEntry, IInventoryLotCost, IItem } from 'interfaces';
@@ -21,10 +21,10 @@ export default class SaleInvoicesCost {
    * @param {Date} startingDate - Starting compute cost date.
    * @return {Promise<Agenda>}
    */
-  async scheduleComputeItemsCost(
+  async scheduleComputeCostByItemsIds(
     tenantId: number,
     inventoryItemsIds: number[],
-    startingDate: Date
+    startingDate: Date,
   ) {
     const asyncOpers: Promise<[]>[] = [];
 
@@ -39,6 +39,86 @@ export default class SaleInvoicesCost {
     return Promise.all([...asyncOpers]);
   }
 
+  /**
+   * Schedules compute sale invoice items cost based on each item
+   * cost method.
+   * @param {number} tenantId - Tenant id.
+   * @param {ISaleInvoice} saleInvoiceId - Sale invoice id.
+   * @param {boolean} override - Allow to override old computes in edit mode.
+   * @return {Promise}
+   */
+  async scheduleComputeCostByInvoiceId(
+    tenantId: number,
+    saleInvoiceId: number,
+  ) {
+    const { SaleInvoice } = this.tenancy.models(tenantId);
+
+    // Retrieve the sale invoice with associated entries.
+    const saleInvoice: ISaleInvoice = await SaleInvoice.query()
+      .findById(saleInvoiceId)
+      .withGraphFetched('entries');
+
+    // Schedule compute inventory items cost by the given invoice model object.
+    return this.scheduleComputeCostByEntries(
+      tenantId,
+      saleInvoice.entries,
+      saleInvoice.invoiceDate,
+    );
+  }
+
+  /**
+   * Schedules the compute inventory items cost by the given bill id.
+   * @param {number} tenantId - Tenant id.
+   * @param {number} billId - Bill id.
+   * @return {Promise<void>}
+   */
+  async scheduleComputeCostByBillId(
+    tenantId: number,
+    billId: number
+  ): Promise<void> {
+    const { Bill } = this.tenancy.models(tenantId);
+
+    // Retrieve the bill with associated entries.
+    const bill = await Bill.query()
+      .findById(billId)
+      .withGraphFetched('entries');
+    
+    return this.scheduleComputeCostByEntries(
+      tenantId,
+      bill.entries,
+      bill.billDate,
+    );
+  }
+
+  /**
+   * Schedules the compute inventory items by the given invoice.
+   * @param {number} tenantId 
+   * @param {ISaleInvoice & { entries: IItemEntry[] }} saleInvoice 
+   * @param {boolean} override 
+   */
+  async scheduleComputeCostByEntries(
+    tenantId: number,
+    entries: IItemEntry[],
+    startingDate: Date,
+  ) {
+    const { Item } = this.tenancy.models(tenantId);
+
+    // Retrieve the inventory items that associated to the sale invoice entries.
+    const inventoryItems = await Item.query()
+      .whereIn('id', map(entries, 'itemId'))
+      .where('type', 'inventory');
+
+    const inventoryItemsIds = map(inventoryItems, 'id');
+
+    if (inventoryItemsIds.length > 0) {
+      await this.scheduleComputeCostByItemsIds(
+        tenantId,
+        inventoryItemsIds,
+        startingDate
+      );
+    }
+  }
+
   /**
    * Schedule writing journal entries.
    * @param {Date} startingDate 

server/src/subscribers/bills.ts

@@ -1,5 +1,6 @@
 import { Container } from 'typedi';
 import { EventSubscriber, On } from 'event-dispatch';
+import { map, head } from 'lodash';
 import events from 'subscribers/events';
 import TenancyService from 'services/Tenancy/TenancyService';
 import BillsService from 'services/Purchases/Bills';
@@ -163,7 +164,27 @@ export default class BillSubscriber {
       tenantId,
       billId,
     });
-    await this.billsService.scheduleComputeBillItemsCost(tenantId, billId);
+    await this.billsService.scheduleComputeCostByBillId(tenantId, billId);
+  }
+
+  /**
+   * Handles computes items costs once the inventory transactions deleted.
+   */
+  @On(events.bill.onInventoryTransactionsDeleted)
+  public async handleComputeCostsOnInventoryTransactionsDeleted({
+    tenantId,
+    billId,
+    oldInventoryTransactions,
+  }) {
+    const inventoryItemsIds = map(oldInventoryTransactions, 'itemId');
+    const startingDates = map(oldInventoryTransactions, 'date');
+    const startingDate = head(startingDates);
+
+    await this.billsService.scheduleComputeCostByItemsIds(
+      tenantId,
+      inventoryItemsIds,
+      startingDate
+    );
   }
 
   /**

server/src/subscribers/events.ts

@@ -79,6 +79,7 @@ export default {
   saleInvoice: {
     onCreated: 'onSaleInvoiceCreated',
     onEdited: 'onSaleInvoiceEdited',
+    onDelete: 'onSaleInvoiceDelete',
     onDeleted: 'onSaleInvoiceDeleted',
     onBulkDelete: 'onSaleInvoiceBulkDeleted',
     onPublished: 'onSaleInvoicePublished',
@@ -127,7 +128,8 @@ export default {
     onDeleted: 'onBillDeleted',
     onBulkDeleted: 'onBillBulkDeleted',
     onPublished: 'onBillPublished',
-    onInventoryTransactionsCreated: 'onBillInventoryTransactionsCreated'
+    onInventoryTransactionsCreated: 'onBillInventoryTransactionsCreated',
+    onInventoryTransactionsDeleted: 'onBillInventoryTransactionsDeleted'
   },
 
   /**
@@ -163,6 +165,9 @@ export default {
     onOpeningBalanceChanged: 'onOpeingBalanceChanged',
   },
 
+  /**
+   * Items service.
+   */
   items: {
     onCreated: 'onItemCreated',
     onEdited: 'onItemEdited',

server/src/subscribers/saleInvoices.ts

@@ -1,4 +1,5 @@
 import { Container } from 'typedi';
+import { head, map } from 'lodash';
 import { On, EventSubscriber } from 'event-dispatch';
 import events from 'subscribers/events';
 import TenancyService from 'services/Tenancy/TenancyService';
@@ -89,7 +90,7 @@ export default class SaleInvoiceSubscriber {
     await this.saleInvoicesService.recordInventoryTranscactions(
       tenantId,
       saleInvoice.id,
-      saleInvoice.invoiceDate,
+      saleInvoice.invoiceDate
     );
   }
 
@@ -101,12 +102,12 @@ export default class SaleInvoiceSubscriber {
   public async handleWritingNonInventoryEntries({ tenantId, saleInvoice }) {
     await this.saleInvoicesService.recordNonInventoryJournalEntries(
       tenantId,
-      saleInvoice.id,
+      saleInvoice.id
     );
   }
 
   /**
-   * 
+   * Rewriting the inventory transactions once the sale invoice be edited.
    */
   @On(events.saleInvoice.onEdited)
   public async handleRewritingInventoryTransactions({ tenantId, saleInvoice }) {
@@ -117,7 +118,7 @@ export default class SaleInvoiceSubscriber {
       tenantId,
       saleInvoice.id,
       saleInvoice.invoiceDate,
-      true,
+      true
     );
   }
 
@@ -167,14 +168,22 @@ export default class SaleInvoiceSubscriber {
   /**
    * Handles deleting the inventory transactions once the invoice deleted.
    */
-  @On(events.saleInvoice.onDeleted)
-  public async handleDeletingInventoryTransactions({ tenantId, saleInvoiceId }) {
-    this.logger.info('[sale_invoice] trying to revert inventory transactions.', {
-      tenantId, saleInvoiceId,
-    });
+  @On(events.saleInvoice.onDelete)
+  public async handleDeletingInventoryTransactions({
+    tenantId,
+    saleInvoiceId,
+    oldSaleInvoice,
+  }) {
+    this.logger.info(
+      '[sale_invoice] trying to revert inventory transactions.',
+      {
+        tenantId,
+        saleInvoiceId,
+      }
+    );
     await this.saleInvoicesService.revertInventoryTransactions(
       tenantId,
-      saleInvoiceId,
+      saleInvoiceId
     );
   }
 
@@ -182,24 +191,54 @@ export default class SaleInvoiceSubscriber {
    * Schedules compute invoice items cost job.
    */
   @On(events.saleInvoice.onInventoryTransactionsCreated)
-  public async handleComputeItemsCosts({ tenantId, saleInvoiceId }) {
-    this.logger.info('[sale_invoice] trying to compute the invoice items cost.', {
-      tenantId, saleInvoiceId,
-    });
-    await this.saleInvoicesService.scheduleComputeInvoiceItemsCost(
+  public async handleComputeCostsOnInventoryTransactionsCreated({
+    tenantId,
+    saleInvoiceId,
+  }) {
+    this.logger.info(
+      '[sale_invoice] trying to compute the invoice items cost.',
+      {
+        tenantId,
+        saleInvoiceId,
+      }
+    );
+    await this.saleInvoicesService.scheduleComputeCostByInvoiceId(
       tenantId,
-      saleInvoiceId,
+      saleInvoiceId
     );
   }
 
   /**
-   * Increments the sale invoice items once the invoice created. 
+   * Schedules compute items cost once the inventory transactions deleted.
+   */
+  @On(events.saleInvoice.onInventoryTransactionsDeleted)
+  public async handleComputeCostsOnInventoryTransactionsDeleted({
+    tenantId,
+    saleInvoiceId,
+    oldInventoryTransactions,
+  }) {
+    const inventoryItemsIds = map(oldInventoryTransactions, 'itemId');
+    const startingDates = map(oldInventoryTransactions, 'date');
+    const startingDate = head(startingDates);
+
+    await this.saleInvoicesService.scheduleComputeCostByItemsIds(
+      tenantId,
+      inventoryItemsIds,
+      startingDate
+    );
+  }
+
+  /**
+   * Increments the sale invoice items once the invoice created.
    */
   @On(events.saleInvoice.onCreated)
-  public async handleDecrementSaleInvoiceItemsQuantity({ tenantId, saleInvoice }) {
+  public async handleDecrementSaleInvoiceItemsQuantity({
+    tenantId,
+    saleInvoice,
+  }) {
     await this.itemsEntriesService.decrementItemsQuantity(
       tenantId,
-      saleInvoice.entries,
+      saleInvoice.entries
     );
   }
 
@@ -207,10 +246,13 @@ export default class SaleInvoiceSubscriber {
    * Decrements the sale invoice items once the invoice deleted.
    */
   @On(events.saleInvoice.onDeleted)
-  public async handleIncrementSaleInvoiceItemsQuantity({ tenantId, oldSaleInvoice }) {
+  public async handleIncrementSaleInvoiceItemsQuantity({
+    tenantId,
+    oldSaleInvoice,
+  }) {
     await this.itemsEntriesService.incrementItemsEntries(
       tenantId,
-      oldSaleInvoice.entries,
+      oldSaleInvoice.entries
     );
   }
 
@@ -218,7 +260,11 @@ export default class SaleInvoiceSubscriber {
    * Handle increment/decrement the different items quantity once the sale invoice be edited.
    */
   @On(events.saleInvoice.onEdited)
-  public async handleChangeSaleInvoiceItemsQuantityOnEdit({ tenantId, saleInvoice, oldSaleInvoice }) {
+  public async handleChangeSaleInvoiceItemsQuantityOnEdit({
+    tenantId,
+    saleInvoice,
+    oldSaleInvoice,
+  }) {
     await this.itemsEntriesService.changeItemsQuantity(
       tenantId,
       saleInvoice.entries.map((entry) => ({
@@ -228,7 +274,7 @@ export default class SaleInvoiceSubscriber {
       oldSaleInvoice.entries.map((entry) => ({
         ...entry,
         quantity: entry.quantity * -1,
-      })),
+      }))
     );
   }
 }