feat: wip upload documents

packages/server/src/api/controllers/AttachmentsController.ts

@@ -0,0 +1,114 @@
+import mime from 'mime-types';
+import { Service, Inject } from 'typedi';
+import { Router, Response } from 'express';
+import { param } from 'express-validator';
+import BaseController from '@/api/controllers/BaseController';
+import { Request } from 'express-validator/src/base';
+import { AttachmentsApplication } from '@/services/Attachments/AttachmentsApplication';
+
+@Service()
+export class AttachmentsController extends BaseController {
+  @Inject()
+  private attachmentsApplication: AttachmentsApplication;
+
+  /**
+   * Router constructor.
+   */
+  public router() {
+    const router = Router();
+
+    router.post(
+      '/',
+      this.attachmentsApplication.uploadPipeline.single('file'),
+      this.uploadAttachment.bind(this)
+    );
+    router.delete(
+      '/:id',
+      [param('id').exists()],
+      this.validationResult,
+      this.deleteAttachment.bind(this)
+    );
+    router.get(
+      '/:id',
+      [param('id').exists()],
+      this.validationResult,
+      this.getAttachment.bind(this)
+    );
+
+    return router;
+  }
+
+  /**
+   * Uploads the attachments to S3 and store the file metadata to DB.
+   * @param {Request} req
+   * @param {Response} res
+   * @param {Function} next
+   * @returns
+   */
+  private async uploadAttachment(req: Request, res: Response, next: Function) {
+    const { tenantId } = req;
+    const file = req.file;
+
+    try {
+      await this.attachmentsApplication.upload(tenantId, file);
+
+      return res.status(200).send({
+        status: 200,
+        message: 'The document has uploaded successfully.',
+      });
+    } catch (error) {
+      next(error);
+    }
+  }
+
+  /**
+   *
+   * @param {Request} req
+   * @param {Response} res
+   * @param next
+   */
+  private async getAttachment(req: Request, res: Response, next: Function) {
+    const { tenantId } = req;
+    const { id } = req.params;
+
+    try {
+      const data = await this.attachmentsApplication.get(tenantId, id);
+
+      const byte = await data.Body.transformToByteArray();
+      const extension = mime.extension(data.ContentType);
+      const buffer = Buffer.from(byte);
+
+      res.set(
+        'Content-Disposition',
+        `filename="${req.params.id}.${extension}"`
+      );
+      res.set('Content-Type', data.ContentType);
+      res.send(buffer);
+    } catch (error) {
+      next(error);
+    }
+  }
+
+  /**
+   * Delete
+   * @param req
+   * @param res
+   * @param next
+   * @returns
+   */
+  private async deleteAttachment(req: Request, res: Response, next: Function) {
+    const { tenantId } = req;
+    const { id: documentId } = req.params;
+
+    try {
+      await this.attachmentsApplication.delete(tenantId, documentId);
+
+      return res.status(200).send({
+        status: 200,
+        message: 'The document has been delete successfully.',
+      });
+    } catch (error) {
+      next(error);
+    }
+  }
+}