feat: wip attach attachments to resource models

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

@@ -0,0 +1,152 @@
+import { Inject, Service } from 'typedi';
+import { isEmpty } from 'lodash';
+import {
+  ISaleEstimateCreatedPayload,
+  ISaleEstimateCreatingPayload,
+  ISaleEstimateDeletingPayload,
+  ISaleEstimateEditedPayload,
+} from '@/interfaces';
+import events from '@/subscribers/events';
+import { LinkAttachment } from '../LinkAttachment';
+import { ValidateAttachments } from '../ValidateAttachments';
+import { UnlinkAttachment } from '../UnlinkAttachment';
+
+@Service()
+export class AttachmentsOnSaleEstimates {
+  @Inject()
+  private linkAttachmentService: LinkAttachment;
+
+  @Inject()
+  private unlinkAttachmentService: UnlinkAttachment;
+
+  @Inject()
+  private validateDocuments: ValidateAttachments;
+
+  /**
+   * Constructor method.
+   */
+  public attach(bus) {
+    bus.subscribe(
+      events.saleEstimate.onCreating,
+      this.validateAttachmentsOnSaleEstimateCreated.bind(this)
+    );
+    bus.subscribe(
+      events.saleEstimate.onCreated,
+      this.handleAttachmentsOnSaleEstimateCreated.bind(this)
+    );
+    bus.subscribe(
+      events.saleEstimate.onEdited,
+      this.handleUnlinkUnpresentedKeysOnSaleEstimateEdited.bind(this)
+    );
+    bus.subscribe(
+      events.saleEstimate.onEdited,
+      this.handleLinkPresentedKeysOnSaleEstimateEdited.bind(this)
+    );
+    bus.subscribe(
+      events.saleEstimate.onDeleting,
+      this.handleUnlinkAttachmentsOnSaleEstimateDelete.bind(this)
+    );
+  }
+
+  /**
+   * Validates the attachment keys on creating sale estimate.
+   * @param {ISaleEstimateCreatingPayload}
+   * @returns {Promise<void>}
+   */
+  private async validateAttachmentsOnSaleEstimateCreated({
+    estimateDTO,
+    tenantId,
+  }: ISaleEstimateCreatingPayload): Promise<void> {
+    if (isEmpty(estimateDTO.attachments)) {
+      return;
+    }
+    const documentKeys = estimateDTO?.attachments?.map((a) => a.key);
+
+    await this.validateDocuments.validate(tenantId, documentKeys);
+  }
+
+  /**
+   * Handles linking the attachments of the created sale estimate.
+   * @param {ISaleEstimateCreatedPayload}
+   * @returns {Promise<void>}
+   */
+  private async handleAttachmentsOnSaleEstimateCreated({
+    tenantId,
+    saleEstimateDTO,
+    saleEstimate,
+    trx,
+  }: ISaleEstimateCreatedPayload): Promise<void> {
+    if (isEmpty(saleEstimateDTO.attachments)) return;
+
+    const keys = saleEstimateDTO.attachments?.map(
+      (attachment) => attachment.key
+    );
+    await this.linkAttachmentService.bulkLink(
+      tenantId,
+      keys,
+      'SaleEstimate',
+      saleEstimate.id,
+      trx
+    );
+  }
+
+  /**
+   * Handles unlinking all the unpresented keys of the edited sale estimate.
+   * @param {ISaleEstimateEditedPayload}
+   */
+  private async handleUnlinkUnpresentedKeysOnSaleEstimateEdited({
+    tenantId,
+    estimateDTO,
+    oldSaleEstimate,
+  }: ISaleEstimateEditedPayload) {
+    const keys = estimateDTO.attachments?.map((attachment) => attachment.key);
+
+    await this.unlinkAttachmentService.unlinkUnpresentedKeys(
+      tenantId,
+      keys,
+      'SaleEstimate',
+      oldSaleEstimate.id
+    );
+  }
+
+  /**
+   * Handles linking all the presented keys of the edited sale estimate.
+   * @param {ISaleEstimateEditedPayload}
+   * @returns {Promise<void>}
+   */
+  private async handleLinkPresentedKeysOnSaleEstimateEdited({
+    tenantId,
+    estimateDTO,
+    oldSaleEstimate,
+    trx,
+  }: ISaleEstimateEditedPayload) {
+    if (isEmpty(estimateDTO.attachments)) return;
+
+    const keys = estimateDTO.attachments?.map((attachment) => attachment.key);
+    await this.linkAttachmentService.bulkLink(
+      tenantId,
+      keys,
+      'SaleEstimate',
+      oldSaleEstimate.id,
+      trx
+    );
+  }
+
+  /**
+   * Unlink all attachments once the estimate deleted.
+   * @param {ISaleEstimateDeletingPayload}
+   * @returns {Promise<void>}
+   */
+  private async handleUnlinkAttachmentsOnSaleEstimateDelete({
+    tenantId,
+    oldSaleEstimate,
+    trx,
+  }: ISaleEstimateDeletingPayload) {
+    await this.unlinkAttachmentService.unlinkAllModelKeys(
+      tenantId,
+      'SaleEstimate',
+      oldSaleEstimate.id,
+      trx
+    );
+  }
+}