feat: wip attach attachments to resource models

packages/server/src/services/Attachments/events/AttachmentsOnPaymentsReceived.ts

@@ -0,0 +1,155 @@
+import { Inject, Service } from 'typedi';
+import { isEmpty } from 'lodash';
+import {
+  IPaymentReceiveCreatedPayload,
+  IPaymentReceiveCreatingPayload,
+  IPaymentReceiveDeletingPayload,
+  IPaymentReceiveEditedPayload,
+} from '@/interfaces';
+import events from '@/subscribers/events';
+import { LinkAttachment } from '../LinkAttachment';
+import { ValidateAttachments } from '../ValidateAttachments';
+import { UnlinkAttachment } from '../UnlinkAttachment';
+
+@Service()
+export class AttachmentsOnPaymentsReceived {
+  @Inject()
+  private linkAttachmentService: LinkAttachment;
+
+  @Inject()
+  private unlinkAttachmentService: UnlinkAttachment;
+
+  @Inject()
+  private validateDocuments: ValidateAttachments;
+
+  /**
+   * Constructor method.
+   */
+  public attach(bus) {
+    bus.subscribe(
+      events.paymentReceive.onCreating,
+      this.validateAttachmentsOnPaymentCreate.bind(this)
+    );
+    bus.subscribe(
+      events.paymentReceive.onCreated,
+      this.handleAttachmentsOnPaymentCreated.bind(this)
+    );
+    bus.subscribe(
+      events.paymentReceive.onEdited,
+      this.handleUnlinkUnpresentedKeysOnPaymentEdited.bind(this)
+    );
+    bus.subscribe(
+      events.paymentReceive.onEdited,
+      this.handleLinkPresentedKeysOnPaymentEdited.bind(this)
+    );
+    bus.subscribe(
+      events.paymentReceive.onDeleting,
+      this.handleUnlinkAttachmentsOnPaymentDelete.bind(this)
+    );
+  }
+
+  /**
+   * Validates the attachment keys on creating payment.
+   * @param {IPaymentReceiveCreatingPayload}
+   * @returns {Promise<void>}
+   */
+  private async validateAttachmentsOnPaymentCreate({
+    paymentReceiveDTO,
+    tenantId,
+  }: IPaymentReceiveCreatingPayload): Promise<void> {
+    if (isEmpty(paymentReceiveDTO.attachments)) {
+      return;
+    }
+    const documentKeys = paymentReceiveDTO?.attachments?.map((a) => a.key);
+
+    await this.validateDocuments.validate(tenantId, documentKeys);
+  }
+
+  /**
+   * Handles linking the attachments of the created payment.
+   * @param {IPaymentReceiveCreatedPayload}
+   * @returns {Promise<void>}
+   */
+  private async handleAttachmentsOnPaymentCreated({
+    tenantId,
+    paymentReceiveDTO,
+    paymentReceive,
+    trx,
+  }: IPaymentReceiveCreatedPayload): Promise<void> {
+    if (isEmpty(paymentReceiveDTO.attachments)) return;
+
+    const keys = paymentReceiveDTO.attachments?.map(
+      (attachment) => attachment.key
+    );
+    await this.linkAttachmentService.bulkLink(
+      tenantId,
+      keys,
+      'PaymentReceive',
+      paymentReceive.id,
+      trx
+    );
+  }
+
+  /**
+   * Handles unlinking all the unpresented keys of the edited payment.
+   * @param {IPaymentReceiveEditedPayload}
+   */
+  private async handleUnlinkUnpresentedKeysOnPaymentEdited({
+    tenantId,
+    paymentReceiveDTO,
+    oldPaymentReceive,
+  }: IPaymentReceiveEditedPayload) {
+    const keys = paymentReceiveDTO.attachments?.map(
+      (attachment) => attachment.key
+    );
+    await this.unlinkAttachmentService.unlinkUnpresentedKeys(
+      tenantId,
+      keys,
+      'PaymentReceive',
+      oldPaymentReceive.id
+    );
+  }
+
+  /**
+   * Handles linking all the presented keys of the edited payment.
+   * @param {IPaymentReceiveEditedPayload}
+   * @returns {Promise<void>}
+   */
+  private async handleLinkPresentedKeysOnPaymentEdited({
+    tenantId,
+    paymentReceiveDTO,
+    oldPaymentReceive,
+    trx,
+  }: IPaymentReceiveEditedPayload) {
+    if (isEmpty(paymentReceiveDTO.attachments)) return;
+
+    const keys = paymentReceiveDTO.attachments?.map(
+      (attachment) => attachment.key
+    );
+    await this.linkAttachmentService.bulkLink(
+      tenantId,
+      keys,
+      'PaymentReceive',
+      oldPaymentReceive.id,
+      trx
+    );
+  }
+
+  /**
+   * Unlink all attachments once the payment deleted.
+   * @param {ISaleInvoiceDeletedPayload}
+   * @returns {Promise<void>}
+   */
+  private async handleUnlinkAttachmentsOnPaymentDelete({
+    tenantId,
+    oldPaymentReceive,
+    trx,
+  }: IPaymentReceiveDeletingPayload) {
+    await this.unlinkAttachmentService.unlinkAllModelKeys(
+      tenantId,
+      'PaymentReceive',
+      oldPaymentReceive.id,
+      trx
+    );
+  }
+}