feat(nestjs): migrate to NestJS

packages/server/src/modules/PaymentLinks/GetInvoicePaymentLinkMetadata.ts

@@ -0,0 +1,72 @@
+import moment from 'moment';
+import { Inject, Injectable } from '@nestjs/common';
+import { TenantModelProxy } from '../System/models/TenantBaseModel';
+import { SaleInvoice } from '../SaleInvoices/models/SaleInvoice';
+import { TransformerInjectable } from '../Transformer/TransformerInjectable.service';
+import { PaymentLink } from './models/PaymentLink';
+import { ServiceError } from '../Items/ServiceError';
+import { GetInvoicePaymentLinkMetaTransformer } from '../SaleInvoices/queries/GetInvoicePaymentLink.transformer';
+import { ClsService } from 'nestjs-cls';
+import { TenancyContext } from '../Tenancy/TenancyContext.service';
+import { TenantModel } from '../System/models/TenantModel';
+
+@Injectable()
+export class GetInvoicePaymentLinkMetadata {
+  constructor(
+    private readonly transformer: TransformerInjectable,
+    private readonly clsService: ClsService,
+    private readonly tenancyContext: TenancyContext,
+
+    @Inject(SaleInvoice.name)
+    private readonly saleInvoiceModel: TenantModelProxy<typeof SaleInvoice>,
+
+    @Inject(PaymentLink.name)
+    private readonly paymentLinkModel: typeof PaymentLink,
+
+    @Inject(TenantModel.name)
+    private readonly systemTenantModel: typeof TenantModel,
+  ) {}
+
+  /**
+   * Retrieves the invoice sharable link meta of the link id.
+   * @param {string} linkId - Link id.
+   */
+  async getInvoicePaymentLinkMeta(linkId: string) {
+    const paymentLink = await this.paymentLinkModel
+      .query()
+      .findOne('linkId', linkId)
+      .where('resourceType', 'SaleInvoice')
+      .throwIfNotFound();
+
+    // Validate the expiry at date.
+    if (paymentLink.expiryAt) {
+      const currentDate = moment();
+      const expiryDate = moment(paymentLink.expiryAt);
+
+      if (expiryDate.isBefore(currentDate)) {
+        throw new ServiceError('PAYMENT_LINK_EXPIRED');
+      }
+    }
+    const tenant = await this.systemTenantModel
+      .query()
+      .findById(paymentLink.tenantId);
+
+    this.clsService.set('organizationId', tenant.organizationId);
+    // this.clsService.set('userId', paymentLink.userId);
+
+    const invoice = await this.saleInvoiceModel()
+      .query()
+      .findById(paymentLink.resourceId)
+      .withGraphFetched('entries.item')
+      .withGraphFetched('customer')
+      .withGraphFetched('taxes.taxRate')
+      .withGraphFetched('paymentMethods.paymentIntegration')
+      .withGraphFetched('pdfTemplate')
+      .throwIfNotFound();
+
+    return this.transformer.transform(
+      invoice,
+      new GetInvoicePaymentLinkMetaTransformer(),
+    );
+  }
+}