feat: auto-increment sale invoice, receipt, estimate and payment receive.

feat: style sales and purchases forms.

server/src/data/options.js

@@ -103,4 +103,14 @@ export default {
       type: "string",
     },
   ],
+  payment_receives: [
+    {
+      key: 'next_number',
+      type: 'number',
+    },
+    {
+      key: 'number_prefix',
+      type: 'string',
+    },
+  ]
 };

server/src/loaders/events.ts

@@ -10,3 +10,5 @@ import 'subscribers/customers';
 import 'subscribers/vendors';
 import 'subscribers/paymentMades';
 import 'subscribers/paymentReceives';
+import 'subscribers/saleEstimates';
+import 'subscribers/saleReceipts';

server/src/services/Sales/SalesInvoices.ts

@@ -400,6 +400,7 @@ export default class SaleInvoicesService extends SalesInvoicesCost {
       salesInvoicesFilter.page - 1,
       salesInvoicesFilter.pageSize,
     );
+
     return {
       salesInvoices: results,
       pagination,

server/src/services/Settings/SettingsService.ts

@@ -0,0 +1,30 @@
+import { Service, Inject } from "typedi";
+import TenancyService from 'services/Tenancy/TenancyService';
+
+@Service()
+export default class SettingsService {
+  @Inject()
+  tenancy: TenancyService;
+
+  @Inject('logger')
+  logger: any;
+
+  /**
+   * Increment next number based on the given find query.
+   * @param {number} tenantId 
+   * @param {any} findQuery 
+   */
+  async incrementNextNumber(tenantId: number, findQuery: any): Promise<void> {
+    const settings = this.tenancy.settings(tenantId);
+
+    this.logger.info('[settings] increment the next number.', { tenantId, findQuery });
+    const currentNumber = settings.find(findQuery);
+
+    if (currentNumber) {
+      const nextNumber = parseInt(currentNumber.value, 10) + 1;
+      settings.set(findQuery, nextNumber);
+
+      await settings.save();
+    }
+  }
+}

server/src/services/Tenancy/TenancyService.ts

@@ -103,4 +103,10 @@ export default class HasTenancyService {
       return tenantCacheLoader(tenantId);
     });
   }
+
+  settings(tenantId: number) {
+    return this.singletonService(tenantId, 'settings', () => {
+      throw new Error('Settings is not injected yet.');
+    });
+  }
 }

server/src/subscribers/paymentReceives.ts

@@ -3,6 +3,7 @@ import { EventSubscriber, On } from 'event-dispatch';
 import events from 'subscribers/events';
 import TenancyService from 'services/Tenancy/TenancyService';
 import PaymentReceiveService from 'services/Sales/PaymentsReceives';
+import SettingsService from 'services/Settings/SettingsService';
 
 @EventSubscriber()
 export default class PaymentReceivesSubscriber {
@@ -10,10 +11,14 @@ export default class PaymentReceivesSubscriber {
   logger: any;
   paymentReceivesService: PaymentReceiveService;
 
+  settingsService: SettingsService;
+
   constructor() {
     this.tenancy = Container.get(TenancyService);
     this.logger = Container.get('logger');
     this.paymentReceivesService = Container.get(PaymentReceiveService);
+
+    this.settingsService = Container.get(SettingsService);
   }
 
   /**
@@ -84,4 +89,15 @@ export default class PaymentReceivesSubscriber {
       oldPaymentReceive.customerId,
     );
   }
+
+  /**
+   * Handles increment next number of payment receive once be created.
+   */
+  @On(events.paymentReceive.onCreated)
+  public async handlePaymentNextNumberIncrement({ tenantId, paymentReceiveId }) {
+    await this.settingsService.incrementNextNumber(tenantId, {
+      key: 'next_number',
+      group: 'payment_receives',
+    });
+  }
 }

server/src/subscribers/saleEstimates.ts

@@ -0,0 +1,29 @@
+import { Container } from 'typedi';
+import { On, EventSubscriber } from "event-dispatch";
+import events from 'subscribers/events';
+import TenancyService from 'services/Tenancy/TenancyService';
+import SettingsService from 'services/Settings/SettingsService';
+
+@EventSubscriber()
+export default class SaleEstimateSubscriber {
+  logger: any;
+  tenancy: TenancyService;
+  settingsService: SettingsService;
+
+  constructor() {
+    this.logger = Container.get('logger');
+    this.tenancy = Container.get(TenancyService);
+    this.settingsService = Container.get(SettingsService);
+  }
+
+  /**
+   * Handle sale estimate increment next number once be created.
+   */
+  @On(events.saleEstimate.onCreated)
+  public async handleEstimateNextNumberIncrement({ tenantId, saleEstimateId }) {
+    await this.settingsService.incrementNextNumber(tenantId, {
+      key: 'next_number',
+      group: 'sales_estimates',
+    });
+  }
+}

server/src/subscribers/saleInvoices.ts

@@ -2,15 +2,18 @@ import { Container } from 'typedi';
 import { On, EventSubscriber } from "event-dispatch";
 import events from 'subscribers/events';
 import TenancyService from 'services/Tenancy/TenancyService';
+import SettingsService from 'services/Settings/SettingsService';
 
 @EventSubscriber()
 export default class SaleInvoiceSubscriber {
   logger: any;
   tenancy: TenancyService;
+  settingsService: SettingsService;
 
   constructor() {
     this.logger = Container.get('logger');
     this.tenancy = Container.get(TenancyService);
+    this.settingsService = Container.get(SettingsService);
   }
 
   /**
@@ -48,9 +51,20 @@ export default class SaleInvoiceSubscriber {
     const { customerRepository } = this.tenancy.repositories(tenantId);
 
     this.logger.info('[sale_invoice] trying to decrement customer balance.', { tenantId });
-    await customerRepository.changeBalance(
+    await customerRepository.changeBalance( 
       oldSaleInvoice.customerId,
       oldSaleInvoice.balance * -1,
     );
   }
+
+  /**
+   * Handles sale invoice next number increment once invoice created.
+   */
+  @On(events.saleInvoice.onCreated)
+  public async handleInvoiceNextNumberIncrement({ tenantId, saleInvoiceId, saleInvoice }) {
+    await this.settingsService.incrementNextNumber(tenantId, {
+      key: 'next_number',
+      group: 'sales_invoices'
+    });
+  }
 }

server/src/subscribers/saleReceipts.ts

@@ -0,0 +1,29 @@
+import { Container } from 'typedi';
+import { On, EventSubscriber } from "event-dispatch";
+import events from 'subscribers/events';
+import TenancyService from 'services/Tenancy/TenancyService';
+import SettingsService from 'services/Settings/SettingsService';
+
+@EventSubscriber()
+export default class SaleReceiptSubscriber {
+  logger: any;
+  tenancy: TenancyService;
+  settingsService: SettingsService;
+
+  constructor() {
+    this.logger = Container.get('logger');
+    this.tenancy = Container.get(TenancyService);
+    this.settingsService = Container.get(SettingsService);
+  }
+
+  /**
+   * Handle sale receipt increment next number once be created.
+   */
+  @On(events.saleReceipt.onCreated)
+  public async handleReceiptNextNumberIncrement({ tenantId, saleReceiptId }) {
+    await this.settingsService.incrementNextNumber(tenantId, {
+      key: 'next_number',
+      group: 'sales_receipts',
+    });
+  }
+}