refactor(nestjs): attachments module

packages/server-nest/package.json

@@ -28,6 +28,7 @@
     "@casl/ability": "^5.4.3",
     "@lemonsqueezy/lemonsqueezy.js": "^2.2.0",
     "@liaoliaots/nestjs-redis": "^10.0.0",
+    "@types/multer": "^1.4.11",
     "@nestjs/bull": "^10.2.1",
     "@nestjs/bullmq": "^10.2.2",
     "@nestjs/cache-manager": "^2.2.2",
@@ -69,11 +70,14 @@
     "lodash": "^4.17.21",
     "lru-cache": "^6.0.0",
     "mathjs": "^9.4.0",
+    "mime-types": "^2.1.35",
     "moment": "^2.30.1",
     "moment-range": "^4.0.2",
     "moment-timezone": "^0.5.43",
     "mysql": "^2.18.1",
     "mysql2": "^3.11.3",
+    "multer": "1.4.5-lts.1",
+    "multer-s3": "^3.0.1",
     "nestjs-cls": "^5.2.0",
     "nestjs-i18n": "^10.4.9",
     "nestjs-redis": "^1.3.3",

packages/server-nest/src/common/constants/files.constants.ts

@@ -0,0 +1 @@
+export const MULTER_MODULE_OPTIONS = 'MULTER_MODULE_OPTIONS';

packages/server-nest/src/common/constants/multer.constants.ts

@@ -0,0 +1,24 @@
+import type { Multer } from 'multer';
+import * as multerS3 from 'multer-s3';
+
+export const multerExceptions = {
+  // from https://github.com/expressjs/multer/blob/master/lib/multer-error.js
+  LIMIT_PART_COUNT: 'Too many parts',
+  LIMIT_FILE_SIZE: 'File too large',
+  LIMIT_FILE_COUNT: 'Too many files',
+  LIMIT_FIELD_KEY: 'Field name too long',
+  LIMIT_FIELD_VALUE: 'Field value too long',
+  LIMIT_FIELD_COUNT: 'Too many fields',
+  LIMIT_UNEXPECTED_FILE: 'Unexpected field',
+  MISSING_FIELD_NAME: 'Field name missing',
+};
+
+export const busboyExceptions = {
+  // from https://github.com/mscdex/busboy/blob/master/lib/types/multipart.js
+  MULTIPART_BOUNDARY_NOT_FOUND: 'Multipart: Boundary not found',
+  MULTIPART_MALFORMED_PART_HEADER: 'Malformed part header',
+  MULTIPART_UNEXPECTED_END_OF_FORM: 'Unexpected end of form',
+  MULTIPART_UNEXPECTED_END_OF_FILE: 'Unexpected end of file',
+};
+
+

packages/server-nest/src/common/constants/multer.utils.ts

@@ -0,0 +1,38 @@
+import {
+  BadRequestException,
+  HttpException,
+  PayloadTooLargeException,
+} from '@nestjs/common';
+import { multerExceptions, busboyExceptions } from './multer.constants';
+
+// Multer may add in a 'field' property to the error
+// https://github.com/expressjs/multer/blob/aa42bea6ac7d0cb8fcb279b15a7278cda805dc63/lib/multer-error.js#L19
+export function transformException(
+  error: (Error & { field?: string }) | undefined,
+) {
+  if (!error || error instanceof HttpException) {
+    return error;
+  }
+  switch (error.message) {
+    case multerExceptions.LIMIT_FILE_SIZE:
+      return new PayloadTooLargeException(error.message);
+    case multerExceptions.LIMIT_FILE_COUNT:
+    case multerExceptions.LIMIT_FIELD_KEY:
+    case multerExceptions.LIMIT_FIELD_VALUE:
+    case multerExceptions.LIMIT_FIELD_COUNT:
+    case multerExceptions.LIMIT_UNEXPECTED_FILE:
+    case multerExceptions.LIMIT_PART_COUNT:
+    case multerExceptions.MISSING_FIELD_NAME:
+      if (error.field) {
+        return new BadRequestException(`${error.message} - ${error.field}`);
+      }
+      return new BadRequestException(error.message);
+    case busboyExceptions.MULTIPART_BOUNDARY_NOT_FOUND:
+      return new BadRequestException(error.message);
+    case busboyExceptions.MULTIPART_MALFORMED_PART_HEADER:
+    case busboyExceptions.MULTIPART_UNEXPECTED_END_OF_FORM:
+    case busboyExceptions.MULTIPART_UNEXPECTED_END_OF_FILE:
+      return new BadRequestException(`Multipart: ${error.message}`);
+  }
+  return error;
+}

packages/server-nest/src/common/interceptors/file.interceptor.ts

@@ -0,0 +1,70 @@
+import {
+  CallHandler,
+  ExecutionContext,
+  Inject,
+  mixin,
+  NestInterceptor,
+  Optional,
+  Type,
+} from '@nestjs/common';
+import * as multer from 'multer';
+import { Observable } from 'rxjs';
+import { MULTER_MODULE_OPTIONS } from '../constants/files.constants';
+import { transformException } from '../constants/multer.utils';
+import { MulterModuleOptions } from '@nestjs/platform-express';
+import { MulterOptions } from '@nestjs/platform-express/multer/interfaces/multer-options.interface';
+
+type MulterInstance = any;
+/**
+ * @param {string} fieldName
+ * @param {Function|MulterOptions} localOptions - Function that receives controller instance or MulterOptions object
+ */
+export function FileInterceptor(
+  fieldName: string,
+  localOptions?: ((instance: any) => MulterOptions) | MulterOptions,
+): Type<NestInterceptor> {
+  class MixinInterceptor implements NestInterceptor {
+    protected multer: MulterInstance;
+
+    constructor(
+      @Optional()
+      @Inject(MULTER_MODULE_OPTIONS)
+      options: (() => MulterModuleOptions | MulterModuleOptions) = () => ({}),
+    ) {
+      const resolvedOptions = typeof localOptions === 'function' 
+        ? localOptions(this)
+        : localOptions;
+        
+      this.multer = (multer as any)({
+        ...(typeof options === 'function' ? options() : options),
+        ...resolvedOptions,
+      });
+    }
+
+    async intercept(
+      context: ExecutionContext,
+      next: CallHandler,
+    ): Promise<Observable<any>> {
+      const ctx = context.switchToHttp();
+
+      await new Promise<void>((resolve, reject) =>
+        this.multer.single(fieldName)(
+          ctx.getRequest(),
+          ctx.getResponse(),
+          (err: any) => {
+            if (err) {
+              const error = transformException(err);
+              return reject(error);
+            }
+            resolve();
+          },
+        ),
+      );
+      return next.handle();
+    }
+  }
+
+  const Interceptor = mixin(MixinInterceptor);
+
+  return Interceptor;
+}

packages/server-nest/src/modules/Attachments/Attachment.module.ts

@@ -1,5 +1,6 @@
 import { Module } from "@nestjs/common";
-import { S3Module } from "../S3/S3.module";
+import * as multerS3 from 'multer-s3';
+import { S3_CLIENT, S3Module } from "../S3/S3.module";
 import { DeleteAttachment } from "./DeleteAttachment";
 import { GetAttachment } from "./GetAttachment";
 import { getAttachmentPresignedUrl } from "./GetAttachmentPresignedUrl";
@@ -13,11 +14,26 @@ import { AttachmentsOnExpenses } from "./events/AttachmentsOnExpenses";
 import { AttachmentsOnPaymentsReceived } from "./events/AttachmentsOnPaymentsReceived";
 import { AttachmentsOnManualJournals } from "./events/AttachmentsOnManualJournals";
 import { AttachmentsOnVendorCredits } from "./events/AttachmentsOnVendorCredits";
+import { AttachmentsOnSaleInvoiceCreated } from "./events/AttachmentsOnSaleInvoice";
+import { AttachmentsController } from "./Attachments.controller";
+import { RegisterTenancyModel } from "../Tenancy/TenancyModels/Tenancy.module";
+import { DocumentModel } from "./models/Document.model";
+import { DocumentLinkModel } from "./models/DocumentLink.model";
+import { AttachmentsApplication } from "./AttachmentsApplication";
+import { UploadDocument } from "./UploadDocument";
+import { AttachmentUploadPipeline } from "./S3UploadPipeline";
+import { MULTER_MODULE_OPTIONS } from "@/common/constants/files.constants";
+import { ConfigService } from "@nestjs/config";
+import { S3Client } from "@aws-sdk/client-s3";
 
-
+const models = [
+  RegisterTenancyModel(DocumentModel),
+  RegisterTenancyModel(DocumentLinkModel),
+];
 
 @Module({
-  imports: [S3Module],
+  imports: [S3Module, ...models],
+  controllers: [AttachmentsController],
   providers: [
     DeleteAttachment,
     GetAttachment,
@@ -31,7 +47,34 @@ import { AttachmentsOnVendorCredits } from "./events/AttachmentsOnVendorCredits"
     AttachmentsOnExpenses,
     AttachmentsOnPaymentsReceived,
     AttachmentsOnManualJournals,
-    AttachmentsOnVendorCredits
+    AttachmentsOnVendorCredits,
+    AttachmentsOnSaleInvoiceCreated,
+    AttachmentsApplication,
+    UploadDocument,
+    AttachmentUploadPipeline,
+    {
+      provide: MULTER_MODULE_OPTIONS,
+      inject: [ConfigService, S3_CLIENT],
+      useFactory: (configService: ConfigService, s3: S3Client) => ({
+        storage: multerS3({
+          s3,
+          bucket: configService.get('s3.bucket'),
+          contentType: multerS3.AUTO_CONTENT_TYPE,
+          metadata: function (req, file, cb) {
+            cb(null, { fieldName: file.fieldname });
+          },
+          key: function (req, file, cb) {
+            cb(null, Date.now().toString());
+          },
+          acl: function(req, file, cb) {
+            // Conditionally set file to public or private based on isPublic flag
+            const aclValue = true ? 'public-read' : 'private';
+            // Set ACL based on the isPublic flag
+            cb(null, aclValue); 
+          }
+        }),
+      })
+    }
   ]
 })
 export class AttachmentsModule {}

packages/server-nest/src/modules/Attachments/Attachments.controller.ts

@@ -0,0 +1,202 @@
+import mime from 'mime-types';
+import { Response, NextFunction, Request } from 'express';
+import {
+  ApiBody,
+  ApiConsumes,
+  ApiOperation,
+  ApiParam,
+  ApiResponse,
+  ApiTags,
+} from '@nestjs/swagger';
+import {
+  Body,
+  Controller,
+  Delete,
+  Get,
+  Param,
+  Post,
+  Res,
+  UnauthorizedException,
+  UploadedFile,
+  UseInterceptors,
+} from '@nestjs/common';
+import {
+  LinkAttachmentDto,
+  UnlinkAttachmentDto,
+  UploadAttachmentDto,
+} from './dtos/Attachment.dto';
+import { AttachmentsApplication } from './AttachmentsApplication';
+import { AttachmentUploadPipeline } from './S3UploadPipeline';
+import { FileInterceptor } from '@/common/interceptors/file.interceptor';
+import { ConfigService } from '@nestjs/config';
+
+@ApiTags('Attachments')
+@Controller('/attachments')
+export class AttachmentsController {
+  /**
+   * @param {AttachmentsApplication} attachmentsApplication - Attachments application.
+   * @param uploadPipelineService
+   */
+  constructor(
+    private readonly attachmentsApplication: AttachmentsApplication,
+    private readonly uploadPipelineService: AttachmentUploadPipeline,
+    private readonly configService: ConfigService,
+  ) {}
+
+  /**
+   * Uploads the attachments to S3 and store the file metadata to DB.
+   */
+  @Post()
+  @UseInterceptors(FileInterceptor('file'))
+  @ApiConsumes('multipart/form-data')
+  @ApiOperation({ summary: 'Upload attachment to S3' })
+  @ApiBody({ description: 'Upload attachment', type: UploadAttachmentDto })
+  @ApiResponse({
+    status: 200,
+    description: 'The document has been uploaded successfully',
+  })
+  @ApiResponse({
+    status: 401,
+    description: 'Unauthorized - File upload failed',
+  })
+  async uploadAttachment(
+    @UploadedFile() file: Express.Multer.File,
+    res: Response,
+    next: NextFunction,
+  ): Promise<Response | void> {
+    if (!file) {
+      throw new UnauthorizedException({
+        errorType: 'FILE_UPLOAD_FAILED',
+        message: 'Now file uploaded.',
+      });
+    }
+    const data = await this.attachmentsApplication.upload(file);
+
+    return res.status(200).send({
+      status: 200,
+      message: 'The document has uploaded successfully.',
+      data,
+    });
+  }
+
+  /**
+   * Retrieves the given attachment key.
+   */
+  @Get('/:id')
+  @ApiOperation({ summary: 'Get attachment by ID' })
+  @ApiParam({ name: 'id', description: 'Attachment ID' })
+  @ApiResponse({ status: 200, description: 'Returns the attachment file' })
+  async getAttachment(
+    @Res() res: Response,
+    @Param('id') documentId: string,
+  ): Promise<Response | void> {
+    const data = await this.attachmentsApplication.get(documentId);
+
+    const byte = await data.Body.transformToByteArray();
+    const extension = mime.extension(data.ContentType);
+    const buffer = Buffer.from(byte);
+
+    res.set('Content-Disposition', `filename="${documentId}.${extension}"`);
+    res.set('Content-Type', data.ContentType);
+    res.send(buffer);
+  }
+
+  /**
+   * Deletes the given document key.
+   */
+  @Delete('/:id')
+  @ApiOperation({ summary: 'Delete attachment by ID' })
+  @ApiParam({ name: 'id', description: 'Attachment ID' })
+  @ApiResponse({
+    status: 200,
+    description: 'The document has been deleted successfully',
+  })
+  async deleteAttachment(
+    @Res() res: Response,
+    @Param('id') documentId: string,
+  ): Promise<Response | void> {
+    await this.attachmentsApplication.delete(documentId);
+
+    return res.status(200).send({
+      status: 200,
+      message: 'The document has been delete successfully.',
+    });
+  }
+
+  /**
+   * Links the given document key.
+   */
+  @Post('/:id/link')
+  @ApiOperation({ summary: 'Link attachment to a model' })
+  @ApiParam({ name: 'id', description: 'Attachment ID' })
+  @ApiBody({ type: LinkAttachmentDto })
+  @ApiResponse({
+    status: 200,
+    description: 'The document has been linked successfully',
+  })
+  async linkDocument(
+    @Body() linkDocumentDto: LinkAttachmentDto,
+    @Param('id') documentId: string,
+    @Res() res: Response,
+  ): Promise<Response | void> {
+    await this.attachmentsApplication.link(
+      documentId,
+      linkDocumentDto.modelRef,
+      linkDocumentDto.modelId,
+    );
+
+    return res.status(200).send({
+      status: 200,
+      message: 'The document has been linked successfully.',
+    });
+  }
+
+  /**
+   * Links the given document key.
+   */
+  @Post('/:id/unlink')
+  @ApiOperation({ summary: 'Unlink attachment from a model' })
+  @ApiParam({ name: 'id', description: 'Attachment ID' })
+  @ApiBody({ type: UnlinkAttachmentDto })
+  @ApiResponse({
+    status: 200,
+    description: 'The document has been unlinked successfully',
+  })
+  async unlinkDocument(
+    @Body() unlinkDto: UnlinkAttachmentDto,
+    @Param('id') documentId: string,
+    @Res() res: Response,
+  ): Promise<Response | void> {
+    await this.attachmentsApplication.link(
+      documentId,
+      unlinkDto.modelRef,
+      unlinkDto.modelId,
+    );
+
+    return res.status(200).send({
+      status: 200,
+      message: 'The document has been linked successfully.',
+    });
+  }
+
+  /**
+   * Retreives the presigned url of the given attachment key.
+   */
+  @Get('/:id/presigned-url')
+  @ApiOperation({ summary: 'Get presigned URL for attachment' })
+  @ApiParam({ name: 'id', description: 'Attachment ID' })
+  @ApiResponse({
+    status: 200,
+    description: 'Returns the presigned URL for the attachment',
+  })
+  async getAttachmentPresignedUrl(
+    @Param('id') documentKey: string,
+    res: Response,
+    next: NextFunction,
+  ): Promise<Response | void> {
+    const presignedUrl =
+      await this.attachmentsApplication.getPresignedUrl(documentKey);
+
+    return res.status(200).send({ presignedUrl });
+  }
+}

packages/server-nest/src/modules/Attachments/AttachmentsApplication.ts

@@ -19,7 +19,6 @@ export class AttachmentsApplication {
 
   /**
    * Saves the metadata of uploaded document to S3 on database.
-   * @param {number} tenantId
    * @param {} file
    * @returns {Promise<Document>}
    */
@@ -38,7 +37,6 @@ export class AttachmentsApplication {
 
   /**
    * Retrieves the document data.
-   * @param {number} tenantId
    * @param {string} documentKey
    */
   public get(documentKey: string) {
@@ -58,7 +56,6 @@ export class AttachmentsApplication {
 
   /**
    * Unlinks the given document from resource model.
-   * @param {number} tenantId
    * @param {string} filekey
    * @param {string} modelRef
    * @param {number} modelId
@@ -70,7 +67,6 @@ export class AttachmentsApplication {
 
   /**
    * Retrieves the presigned url of the given attachment key.
-   * @param {number} tenantId
    * @param {string} key
    * @returns {Promise<string>}
    */

packages/server-nest/src/modules/Attachments/DeleteAttachment.ts

@@ -1,8 +1,8 @@
+import { Inject, Injectable } from '@nestjs/common';
 import { DeleteObjectCommand, S3Client } from '@aws-sdk/client-s3';
 import { Knex } from 'knex';
-import { Inject, Injectable } from '@nestjs/common';
-import { UnitOfWork } from '../Tenancy/TenancyDB/UnitOfWork.service';
 import { ConfigService } from '@nestjs/config';
+import { UnitOfWork } from '../Tenancy/TenancyDB/UnitOfWork.service';
 import { S3_CLIENT } from '../S3/S3.module';
 import { DocumentModel } from './models/Document.model';
 import { TenantModelProxy } from '../System/models/TenantBaseModel';
@@ -17,14 +17,14 @@ export class DeleteAttachment {
     @Inject(S3_CLIENT)
     private readonly s3Client: S3Client,
 
-    @Inject(Document.name)
+    @Inject(DocumentModel.name)
     private readonly documentModel: TenantModelProxy<typeof DocumentModel>,
 
     @Inject(DocumentLinkModel.name)
-    private readonly documentLinkModel: TenantModelProxy<typeof DocumentLinkModel>
+    private readonly documentLinkModel: TenantModelProxy<
-  ) {
+      typeof DocumentLinkModel
-
+    >,
-  }
+  ) {}
 
   /**
    * Deletes the give file attachment file key.
@@ -37,13 +37,15 @@ export class DeleteAttachment {
     };
     await this.s3Client.send(new DeleteObjectCommand(params));
 
-    const foundDocument = await this.documentModel().query()
+    const foundDocument = await this.documentModel()
+      .query()
       .findOne('key', filekey)
       .throwIfNotFound();
 
     await this.uow.withTransaction(async (trx: Knex.Transaction) => {
       // Delete all document links
-      await this.documentLinkModel().query(trx)
+      await this.documentLinkModel()
+        .query(trx)
         .where('documentId', foundDocument.id)
         .delete();
 

packages/server-nest/src/modules/Attachments/GetAttachment.ts

@@ -9,13 +9,11 @@ export class GetAttachment {
     private readonly configService: ConfigService,
 
     @Inject(S3_CLIENT)
-    private readonly s3: S3Client
+    private readonly s3: S3Client,
-  ) {
+  ) {}
-
+  
-  }
   /**
    * Retrieves data of the given document key.
-   * @param {number} tenantId
    * @param {string} filekey
    */
   async getAttachment(filekey: string) {

packages/server-nest/src/modules/Attachments/GetAttachmentPresignedUrl.ts

@@ -1,35 +1,42 @@
-import { GetObjectCommand } from '@aws-sdk/client-s3';
+import { GetObjectCommand, S3Client } from '@aws-sdk/client-s3';
 import { getSignedUrl } from '@aws-sdk/s3-request-presigner';
-import { Injectable } from '@nestjs/common';
+import { Inject, Injectable } from '@nestjs/common';
 import { TenantModelProxy } from '../System/models/TenantBaseModel';
 import { DocumentModel } from './models/Document.model';
+import { ConfigService } from '@nestjs/config';
+import { S3_CLIENT } from '../S3/S3.module';
 
 @Injectable()
 export class getAttachmentPresignedUrl {
   constructor(
-    private readonly documentModel: TenantModelProxy<typeof DocumentModel>
+    private readonly configService: ConfigService,
+    
+    @Inject(DocumentModel.name)
+    private readonly documentModel: TenantModelProxy<typeof DocumentModel>,
+
+    @Inject(S3_CLIENT)
+    private readonly s3Client: S3Client,
   ) {}
 
   /**
    * Retrieves the presigned url of the given attachment key with the original filename.
-   * @param {number} tenantId
+   * @param {string} key - 
-   * @param {string} key
    * @returns {string}
    */
-  async getPresignedUrl(tenantId: number, key: string) {
+  async getPresignedUrl(key: string) {
     const foundDocument = await this.documentModel().query().findOne({ key });
+    const config = this.configService.get('s3');
 
     let ResponseContentDisposition = 'attachment';
     if (foundDocument && foundDocument.originName) {
       ResponseContentDisposition += `; filename="${foundDocument.originName}"`;
     }
-
     const command = new GetObjectCommand({
-      Bucket: config.s3.bucket,
+      Bucket: config.bucket,
       Key: key,
       ResponseContentDisposition,
     });
-    const signedUrl = await getSignedUrl(s3, command, { expiresIn: 300 });
+    const signedUrl = await getSignedUrl(this.s3Client, command, { expiresIn: 300 });
 
     return signedUrl;
   }

packages/server-nest/src/modules/Attachments/LinkAttachment.ts

@@ -1,46 +1,59 @@
-import { Inject, Service } from 'typedi';
+import { ModuleRef } from '@nestjs/core';
 import bluebird from 'bluebird';
 import { Knex } from 'knex';
 import {
   validateLinkModelEntryExists,
   validateLinkModelExists,
-} from './Attachments/_utils';
+} from './_utils';
-import HasTenancyService from '../Tenancy/TenancyService';
-import { ServiceError } from '@/exceptions';
 import { ERRORS } from './constants';
+import { TenantModelProxy } from '../System/models/TenantBaseModel';
+import { DocumentLink } from '../ChromiumlyTenancy/models/DocumentLink';
+import { Inject, Injectable } from '@nestjs/common';
+import { ServiceError } from '../Items/ServiceError';
+import { getAttachableModelsMap } from './decorators/InjectAttachable.decorator';
+import { DocumentModel } from './models/Document.model';
+import { SaleInvoice } from '../SaleInvoices/models/SaleInvoice';
 
-@Service()
+@Injectable()
 export class LinkAttachment {
-  @Inject()
+  constructor(
-  private tenancy: HasTenancyService;
+    private moduleRef: ModuleRef,
+
+    @Inject(DocumentLink.name)
+    private readonly documentLinkModel: TenantModelProxy<typeof DocumentLink>,
+
+    @Inject(DocumentModel.name)
+    private readonly documentModel: TenantModelProxy<typeof DocumentModel>,
+  ) {}
 
   /**
    * Links the given file key to the given model type and id.
-   * @param {number} tenantId
+   * @param {string} filekey - File key.
-   * @param {string} filekey
+   * @param {string} modelRef - Model reference.
-   * @param {string} modelRef
+   * @param {number} modelId - Model id.
-   * @param {number} modelId
    * @returns {Promise<void>}
    */
   async link(
-    tenantId: number,
     filekey: string,
     modelRef: string,
     modelId: number,
-    trx?: Knex.Transaction
+    trx?: Knex.Transaction,
   ) {
-    const { DocumentLink, Document, ...models } = this.tenancy.models(tenantId);
+    const attachmentsAttachableModels = getAttachableModelsMap();
-    const LinkModel = models[modelRef];
+    const attachableModel = attachmentsAttachableModels.get(modelRef);
-    validateLinkModelExists(LinkModel);
 
-    const foundFile = await Document.query(trx)
+    validateLinkModelExists(attachableModel);
+
+    const LinkModel = this.moduleRef.get(modelRef, { strict: false });
+    const foundFile = await this.documentModel()
+      .query(trx)
       .findOne('key', filekey)
       .throwIfNotFound();
 
-    const foundLinkModel = await LinkModel.query(trx).findById(modelId);
+    const foundLinkModel = await LinkModel().query(trx).findById(modelId);
     validateLinkModelEntryExists(foundLinkModel);
 
-    const foundLinks = await DocumentLink.query(trx)
+    const foundLinks = await this.documentLinkModel().query(trx)
       .where('modelRef', modelRef)
       .where('modelId', modelId)
       .where('documentId', foundFile.id);
@@ -48,7 +61,7 @@ export class LinkAttachment {
     if (foundLinks.length > 0) {
       throw new ServiceError(ERRORS.DOCUMENT_LINK_ALREADY_LINKED);
     }
-    await DocumentLink.query(trx).insert({
+    await this.documentLinkModel().query(trx).insert({
       modelRef,
       modelId,
       documentId: foundFile.id,
@@ -57,23 +70,21 @@ export class LinkAttachment {
 
   /**
    * Links the given file keys to the given model type and id.
-   * @param {number} tenantId
+   * @param {string[]} filekeys - File keys. 
-   * @param {string[]} filekeys
+   * @param {string} modelRef - Model reference.
-   * @param {string} modelRef
+   * @param {number} modelId - Model id.
-   * @param {number} modelId
+   * @param {Knex.Transaction} trx - Knex transaction.
-   * @param {Knex.Transaction} trx
    * @returns {Promise<void>}
    */
   async bulkLink(
-    tenantId: number,
     filekeys: string[],
     modelRef: string,
     modelId: number,
-    trx?: Knex.Transaction
+    trx?: Knex.Transaction,
   ) {
     return bluebird.each(filekeys, async (fieldKey: string) => {
       try {
-        await this.link(tenantId, fieldKey, modelRef, modelId, trx);
+        await this.link(fieldKey, modelRef, modelId, trx);
       } catch {
         // Ignore catching exceptions in bulk action.
       }

packages/server-nest/src/modules/Attachments/S3UploadPipeline.ts

@@ -1,13 +1,13 @@
 import { NextFunction, Request, Response } from 'express';
-import multer from 'multer';
+import { ConfigService } from '@nestjs/config';
-import type { Multer } from 'multer';
+import { Injectable } from '@nestjs/common';
-import multerS3 from 'multer-s3';
-import { s3 } from '@/lib/S3/S3';
-import { Service } from 'typedi';
-import config from '@/config';
 
-@Service()
+@Injectable()
 export class AttachmentUploadPipeline {
+  constructor(
+    private readonly configService: ConfigService
+  ) {}
+
   /**
    * Middleware to ensure that S3 configuration is properly set before proceeding.
    * This function checks if the necessary S3 configuration keys are present and throws an error if any are missing.
@@ -16,44 +16,21 @@ export class AttachmentUploadPipeline {
    * @param next The callback to pass control to the next middleware function.
    */
   public validateS3Configured(req: Request, res: Response, next: NextFunction) {
+    const config = this.configService.get('s3');
+
     if (
-      !config.s3.region ||
+      !config.region ||
-      !config.s3.accessKeyId ||
+      !config.accessKeyId ||
-      !config.s3.secretAccessKey
+      !config.secretAccessKey
     ) {
       const missingKeys = [];
-      if (!config.s3.region) missingKeys.push('region');
+      if (!config.region) missingKeys.push('region');
-      if (!config.s3.accessKeyId) missingKeys.push('accessKeyId');
+      if (!config.accessKeyId) missingKeys.push('accessKeyId');
-      if (!config.s3.secretAccessKey) missingKeys.push('secretAccessKey');
+      if (!config.secretAccessKey) missingKeys.push('secretAccessKey');
       const missing = missingKeys.join(', ');
 
       throw new Error(`S3 configuration error: Missing ${missing}`);
     }
     next();
   }
-
-  /**
-   * Express middleware for uploading attachments to an S3 bucket.
-   * It utilizes the multer middleware for handling multipart/form-data, specifically for file uploads.
-   */
-  public uploadPipeline(): Multer {
-    return multer({
-      storage: multerS3({
-        s3,
-        bucket: config.s3.bucket,
-        contentType: multerS3.AUTO_CONTENT_TYPE,
-        metadata: function (req, file, cb) {
-          cb(null, { fieldName: file.fieldname });
-        },
-        key: function (req, file, cb) {
-          cb(null, Date.now().toString());
-        },
-        acl: function(req, file, cb) {
-          // Conditionally set file to public or private based on isPublic flag
-          const aclValue = true ? 'public-read' : 'private';
-          cb(null, aclValue); // Set ACL based on the isPublic flag
-        }
-      }),
-    });
-  }
 }

packages/server-nest/src/modules/Attachments/UnlinkAttachment.ts

@@ -1,40 +1,56 @@
 import bluebird from 'bluebird';
+import { difference } from 'lodash';
 import {
   validateLinkModelEntryExists,
   validateLinkModelExists,
 } from './_utils';
 import { Knex } from 'knex';
-import { difference } from 'lodash';
+import { Inject, Injectable } from '@nestjs/common';
-import { Injectable } from '@nestjs/common';
+import { DocumentLinkModel } from './models/DocumentLink.model';
+import { TenantModelProxy } from '../System/models/TenantBaseModel';
+import { DocumentModel } from './models/Document.model';
+import { getAttachableModelsMap } from './decorators/InjectAttachable.decorator';
+import { ModuleRef } from '@nestjs/core';
 
 @Injectable()
 export class UnlinkAttachment {
+  constructor(
+    private moduleRef: ModuleRef,
+
+    @Inject(DocumentModel.name)
+    private readonly documentModel: TenantModelProxy<typeof DocumentModel>,
+
+    @Inject(DocumentLinkModel.name)
+    private readonly documentLinkModel: TenantModelProxy<
+      typeof DocumentLinkModel
+    >,
+  ) {}
+
   /**
    * Unlink the attachments from the model entry.
-   * @param {number} tenantId
+   * @param {string} filekey - File key.
-   * @param {string} filekey
+   * @param {string} modelRef - Model reference.
-   * @param {string} modelRef
+   * @param {number} modelId - Model id.
-   * @param {number} modelId
    */
   async unlink(
-    tenantId: number,
     filekey: string,
     modelRef: string,
     modelId: number,
-    trx?: Knex.Transaction
+    trx?: Knex.Transaction,
   ): Promise<void> {
-    const { DocumentLink, Document, ...models } = this.tenancy.models(tenantId);
+    const attachmentsAttachableModels = getAttachableModelsMap();
-    
+    const attachableModel = attachmentsAttachableModels.get(modelRef);
-    const LinkModel = models[modelRef];
-    validateLinkModelExists(LinkModel);
 
+    validateLinkModelExists(attachableModel);
+
+    const LinkModel = this.moduleRef.get(modelRef, { strict: false });
     const foundLinkModel = await LinkModel.query(trx).findById(modelId);
     validateLinkModelEntryExists(foundLinkModel);
 
-    const document = await Document.query(trx).findOne('key', filekey);
+    const document = await this.documentModel().query(trx).findOne('key', filekey);
 
     // Delete the document link.
-    await DocumentLink.query(trx)
+    await this.documentLinkModel().query(trx)
       .where('modelRef', modelRef)
       .where('modelId', modelId)
       .where('documentId', document.id)
@@ -43,22 +59,20 @@ export class UnlinkAttachment {
 
   /**
    * Bulk unlink the attachments from the model entry.
-   * @param {number} tenantId
    * @param {string} fieldkey
    * @param {string} modelRef
    * @param {number} modelId
    * @returns {Promise<void>}
    */
   async bulkUnlink(
-    tenantId: number,
     filekeys: string[],
     modelRef: string,
     modelId: number,
-    trx?: Knex.Transaction
+    trx?: Knex.Transaction,
   ): Promise<void> {
     await bluebird.each(filekeys, (fieldKey: string) => {
       try {
-        this.unlink(tenantId, fieldKey, modelRef, modelId, trx);
+        this.unlink(fieldKey, modelRef, modelId, trx);
       } catch {
         // Ignore catching exceptions on bulk action.
       }
@@ -74,15 +88,13 @@ export class UnlinkAttachment {
    * @param {Knex.Transaction} trx
    */
   async unlinkUnpresentedKeys(
-    tenantId: number,
     presentedKeys: string[],
     modelRef: string,
     modelId: number,
-    trx?: Knex.Transaction
+    trx?: Knex.Transaction,
   ): Promise<void> {
-    const { DocumentLink } = this.tenancy.models(tenantId);
+    const modelLinks = await this.documentLinkModel()
-
+      .query(trx)
-    const modelLinks = await DocumentLink.query(trx)
       .where('modelRef', modelRef)
       .where('modelId', modelId)
       .withGraphFetched('document');
@@ -90,33 +102,30 @@ export class UnlinkAttachment {
     const modelLinkKeys = modelLinks.map((link) => link.document.key);
     const unpresentedKeys = difference(modelLinkKeys, presentedKeys);
 
-    await this.bulkUnlink(tenantId, unpresentedKeys, modelRef, modelId, trx);
+    await this.bulkUnlink(unpresentedKeys, modelRef, modelId, trx);
   }
 
   /**
    * Unlink all attachments of the given model type and id.
-   * @param {number} tenantId
    * @param {string} modelRef
    * @param {number} modelId
    * @param {Knex.Transaction} trx
    * @returns {Promise<void>}
    */
   async unlinkAllModelKeys(
-    tenantId: number,
     modelRef: string,
     modelId: number,
-    trx?: Knex.Transaction
+    trx?: Knex.Transaction,
   ): Promise<void> {
-    const { DocumentLink } = this.tenancy.models(tenantId);
-
     // Get all the keys of the modelRef and modelId.
-    const modelLinks = await DocumentLink.query(trx)
+    const modelLinks = await this.documentLinkModel()
+      .query(trx)
       .where('modelRef', modelRef)
       .where('modelId', modelId)
       .withGraphFetched('document');
 
     const modelLinkKeys = modelLinks.map((link) => link.document.key);
 
-    await this.bulkUnlink(tenantId, modelLinkKeys, modelRef, modelId, trx);
+    await this.bulkUnlink(modelLinkKeys, modelRef, modelId, trx);
   }
 }

packages/server-nest/src/modules/Attachments/ValidateAttachments.ts

@@ -1,24 +1,21 @@
 import { castArray, difference } from 'lodash';
-import HasTenancyService from '../Tenancy/TenancyService';
+import { Inject, Injectable } from '@nestjs/common';
-import { ServiceError } from '@/exceptions';
-import { Inject, Service } from 'typedi';
 import { TenantModelProxy } from '../System/models/TenantBaseModel';
 import { DocumentModel } from './models/Document.model';
+import { ServiceError } from '../Items/ServiceError';
 
-@Service()
+@Injectable()
 export class ValidateAttachments {
-
   constructor(
-    private readonly documentModel: TenantModelProxy<typeof DocumentModel>
+    @Inject(DocumentModel.name)
-  ) {
+    private readonly documentModel: TenantModelProxy<typeof DocumentModel>,
+  ) {}
 
-  }
   /**
    * Validates the given file keys existance.
-   * @param {number} tenantId
    * @param {string|string[]} key
    */
-  async validate(tenantId: number, key: string | string[]) {
+  async validate(key: string | string[]) {
     const keys = castArray(key);
     const documents = await this.documentModel().query().whereIn('key', key);
     const documentKeys = documents.map((document) => document.key);

packages/server-nest/src/modules/Attachments/_utils.ts

@@ -1,4 +1,4 @@
-import { ServiceError } from '@/exceptions';
+import { ServiceError } from '../Items/ServiceError';
 import { ERRORS } from './constants';
 
 export const validateLinkModelExists = (LinkModel) => {

packages/server-nest/src/modules/Attachments/decorators/InjectAttachable.decorator.ts

@@ -0,0 +1,23 @@
+import { Injectable } from '@nestjs/common';
+
+// Array to store attachable model names
+const attachableModelsMap: Map<string, boolean> = new Map();
+
+/**
+ * Decorator that marks a class as attachable and adds its name to the attachable models array.
+ * This is used to track which models can have attachments.
+ */
+export function InjectAttachable() {
+  return function (target: any) {
+    // Add the model name to the attachable models array
+    attachableModelsMap.set(target.name, true);
+  };
+}
+
+/**
+ * Get all attachable model names
+ */
+export function getAttachableModelsMap() {
+  return attachableModelsMap;
+}
+

packages/server-nest/src/modules/Attachments/dtos/Attachment.dto.ts

@@ -1,3 +1,4 @@
+import { ApiProperty } from "@nestjs/swagger";
 import { IsNotEmpty, IsString } from "class-validator";
 
 
@@ -6,3 +7,27 @@ export class AttachmentLinkDto {
   @IsNotEmpty()
   key: string;
 }
+
+
+export class UnlinkAttachmentDto {
+  @IsNotEmpty()
+  modelRef: string;
+
+
+  @IsNotEmpty()
+  modelId: number;
+}
+
+export class LinkAttachmentDto {
+  @IsNotEmpty()
+  modelRef: string;
+
+
+  @IsNotEmpty()
+  modelId: number; 
+}
+
+export class UploadAttachmentDto {
+  @ApiProperty({ type: 'string', format: 'binary' })
+  file: any;
+}

packages/server-nest/src/modules/Attachments/events/AttachmentsOnBills.ts

@@ -1,68 +1,45 @@
-import { Inject, Service } from 'typedi';
 import { isEmpty } from 'lodash';
 import {
   IBIllEventDeletedPayload,
   IBillCreatedPayload,
   IBillCreatingPayload,
   IBillEditedPayload,
-} from '@/interfaces';
+} from '@/modules/Bills/Bills.types';
-import events from '@/subscribers/events';
-import { LinkAttachment } from '../LinkAttachment';
 import { ValidateAttachments } from '../ValidateAttachments';
+import { OnEvent } from '@nestjs/event-emitter';
+import { Injectable } from '@nestjs/common';
 import { UnlinkAttachment } from '../UnlinkAttachment';
+import { LinkAttachment } from '../LinkAttachment';
+import { events } from '@/common/events/events';
 
-@Service()
+@Injectable()
 export class AttachmentsOnBills {
-  @Inject()
-  private linkAttachmentService: LinkAttachment;
-
-  @Inject()
-  private unlinkAttachmentService: UnlinkAttachment;
-
-  @Inject()
-  private validateDocuments: ValidateAttachments;
-
   /**
-   * Constructor method.
+   * @param {LinkAttachment} linkAttachmentService 
+   * @param {UnlinkAttachment} unlinkAttachmentService 
+   * @param {ValidateAttachments} validateDocuments 
    */
-  public attach(bus) {
+  constructor(
-    bus.subscribe(
+    private readonly linkAttachmentService: LinkAttachment,
-      events.bill.onCreating,
+    private readonly unlinkAttachmentService: UnlinkAttachment,
-      this.validateAttachmentsOnBillCreate.bind(this)
+    private readonly validateDocuments: ValidateAttachments,
-    );
+  ) {}
-    bus.subscribe(
-      events.bill.onCreated,
-      this.handleAttachmentsOnBillCreated.bind(this)
-    );
-    bus.subscribe(
-      events.bill.onEdited,
-      this.handleUnlinkUnpresentedKeysOnBillEdited.bind(this)
-    );
-    bus.subscribe(
-      events.bill.onEdited,
-      this.handleLinkPresentedKeysOnBillEdited.bind(this)
-    );
-    bus.subscribe(
-      events.bill.onDeleting,
-      this.handleUnlinkAttachmentsOnBillDeleted.bind(this)
-    );
-  }
 
   /**
    * Validates the attachment keys on creating bill.
    * @param {ISaleInvoiceCreatingPaylaod}
    * @returns {Promise<void>}
    */
-  private async validateAttachmentsOnBillCreate({
+  @OnEvent(events.bill.onCreating)
+  async validateAttachmentsOnBillCreate({
     billDTO,
-    tenantId,
   }: IBillCreatingPayload): Promise<void> {
     if (isEmpty(billDTO.attachments)) {
       return;
     }
     const documentKeys = billDTO?.attachments?.map((a) => a.key);
 
-    await this.validateDocuments.validate(tenantId, documentKeys);
+    await this.validateDocuments.validate(documentKeys);
   }
 
   /**
@@ -70,8 +47,8 @@ export class AttachmentsOnBills {
    * @param {ISaleInvoiceCreatedPayload}
    * @returns {Promise<void>}
    */
-  private async handleAttachmentsOnBillCreated({
+  @OnEvent(events.bill.onCreated)
-    tenantId,
+  async handleAttachmentsOnBillCreated({
     bill,
     billDTO,
     trx,
@@ -79,32 +56,27 @@ export class AttachmentsOnBills {
     if (isEmpty(billDTO.attachments)) return;
 
     const keys = billDTO.attachments?.map((attachment) => attachment.key);
-    await this.linkAttachmentService.bulkLink(
+
-      tenantId,
+    await this.linkAttachmentService.bulkLink(keys, 'Bill', bill.id, trx);
-      keys,
-      'Bill',
-      bill.id,
-      trx
-    );
   }
 
   /**
    * Handles unlinking all the unpresented keys of the edited bill.
    * @param {IBillEditedPayload}
    */
-  private async handleUnlinkUnpresentedKeysOnBillEdited({
+  @OnEvent(events.bill.onEdited)
-    tenantId,
+  async handleUnlinkUnpresentedKeysOnBillEdited({
     billDTO,
     bill,
-    trx
+    trx,
   }: IBillEditedPayload) {
     const keys = billDTO.attachments?.map((attachment) => attachment.key);
+
     await this.unlinkAttachmentService.unlinkUnpresentedKeys(
-      tenantId,
       keys,
       'Bill',
       bill.id,
-      trx
+      trx,
     );
   }
 
@@ -113,8 +85,8 @@ export class AttachmentsOnBills {
    * @param {ISaleInvoiceEditedPayload}
    * @returns {Promise<void>}
    */
-  private async handleLinkPresentedKeysOnBillEdited({
+  @OnEvent(events.bill.onEdited)
-    tenantId,
+  async handleLinkPresentedKeysOnBillEdited({
     billDTO,
     oldBill,
     trx,
@@ -122,13 +94,8 @@ export class AttachmentsOnBills {
     if (isEmpty(billDTO.attachments)) return;
 
     const keys = billDTO.attachments?.map((attachment) => attachment.key);
-    await this.linkAttachmentService.bulkLink(
+
-      tenantId,
+    await this.linkAttachmentService.bulkLink(keys, 'Bill', oldBill.id, trx);
-      keys,
-      'Bill',
-      oldBill.id,
-      trx
-    );
   }
 
   /**
@@ -136,16 +103,15 @@ export class AttachmentsOnBills {
    * @param {ISaleInvoiceDeletedPayload}
    * @returns {Promise<void>}
    */
-  private async handleUnlinkAttachmentsOnBillDeleted({
+  @OnEvent(events.bill.onDeleting)
-    tenantId,
+  async handleUnlinkAttachmentsOnBillDeleted({
     oldBill,
     trx,
   }: IBIllEventDeletedPayload) {
     await this.unlinkAttachmentService.unlinkAllModelKeys(
-      tenantId,
       'Bill',
       oldBill.id,
-      trx
+      trx,
     );
   }
 }

packages/server-nest/src/modules/Attachments/events/AttachmentsOnCreditNote.ts

@@ -1,68 +1,45 @@
-import { Inject, Service } from 'typedi';
 import { isEmpty } from 'lodash';
 import {
   ICreditNoteCreatedPayload,
   ICreditNoteCreatingPayload,
   ICreditNoteDeletingPayload,
   ICreditNoteEditedPayload,
-} from '@/interfaces';
+} from '@/modules/CreditNotes/types/CreditNotes.types';
-import events from '@/subscribers/events';
-import { LinkAttachment } from '../LinkAttachment';
 import { ValidateAttachments } from '../ValidateAttachments';
+import { Injectable } from '@nestjs/common';
+import { LinkAttachment } from '../LinkAttachment';
 import { UnlinkAttachment } from '../UnlinkAttachment';
+import { OnEvent } from '@nestjs/event-emitter';
+import { events } from '@/common/events/events';
 
-@Service()
+@Injectable()
 export class AttachmentsOnCreditNote {
-  @Inject()
-  private linkAttachmentService: LinkAttachment;
-
-  @Inject()
-  private unlinkAttachmentService: UnlinkAttachment;
-
-  @Inject()
-  private validateDocuments: ValidateAttachments;
-
   /**
-   * Constructor method.
+   * @param {LinkAttachment} linkAttachmentService - 
+   * @param {UnlinkAttachment} unlinkAttachmentService - 
+   * @param {ValidateAttachments} validateDocuments - 
    */
-  public attach(bus) {
+  constructor(
-    bus.subscribe(
+    private readonly linkAttachmentService: LinkAttachment,
-      events.creditNote.onCreating,
+    private readonly unlinkAttachmentService: UnlinkAttachment,
-      this.validateAttachmentsOnCreditNoteCreate.bind(this)
+    private readonly validateDocuments: ValidateAttachments,
-    );
+  ) {}
-    bus.subscribe(
-      events.creditNote.onCreated,
-      this.handleAttachmentsOnCreditNoteCreated.bind(this)
-    );
-    bus.subscribe(
-      events.creditNote.onEdited,
-      this.handleUnlinkUnpresentedKeysOnCreditNoteEdited.bind(this)
-    );
-    bus.subscribe(
-      events.creditNote.onEdited,
-      this.handleLinkPresentedKeysOnCreditNoteEdited.bind(this)
-    );
-    bus.subscribe(
-      events.creditNote.onDeleting,
-      this.handleUnlinkAttachmentsOnCreditNoteDeleted.bind(this)
-    );
-  }
 
   /**
    * Validates the attachment keys on creating credit note.
    * @param {ICreditNoteCreatingPayload}
    * @returns {Promise<void>}
    */
-  private async validateAttachmentsOnCreditNoteCreate({
+  @OnEvent(events.creditNote.onCreating)
+  async validateAttachmentsOnCreditNoteCreate({
     creditNoteDTO,
-    tenantId,
   }: ICreditNoteCreatingPayload): Promise<void> {
     if (isEmpty(creditNoteDTO.attachments)) {
       return;
     }
     const documentKeys = creditNoteDTO?.attachments?.map((a) => a.key);
 
-    await this.validateDocuments.validate(tenantId, documentKeys);
+    await this.validateDocuments.validate(documentKeys);
   }
 
   /**
@@ -70,8 +47,8 @@ export class AttachmentsOnCreditNote {
    * @param {ICreditNoteCreatedPayload}
    * @returns {Promise<void>}
    */
-  private async handleAttachmentsOnCreditNoteCreated({
+  @OnEvent(events.creditNote.onCreated)
-    tenantId,
+  async handleAttachmentsOnCreditNoteCreated({
     creditNote,
     creditNoteDTO,
     trx,
@@ -79,12 +56,12 @@ export class AttachmentsOnCreditNote {
     if (isEmpty(creditNoteDTO.attachments)) return;
 
     const keys = creditNoteDTO.attachments?.map((attachment) => attachment.key);
+
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'CreditNote',
       creditNote.id,
-      trx
+      trx,
     );
   }
 
@@ -92,21 +69,20 @@ export class AttachmentsOnCreditNote {
    * Handles unlinking all the unpresented keys of the edited credit note.
    * @param {ICreditNoteEditedPayload}
    */
-  private async handleUnlinkUnpresentedKeysOnCreditNoteEdited({
+  @OnEvent(events.creditNote.onEdited)
-    tenantId,
+  async handleUnlinkUnpresentedKeysOnCreditNoteEdited({
     creditNoteEditDTO,
     oldCreditNote,
     trx,
   }: ICreditNoteEditedPayload) {
     const keys = creditNoteEditDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.unlinkAttachmentService.unlinkUnpresentedKeys(
-      tenantId,
       keys,
       'CreditNote',
       oldCreditNote.id,
-      trx
+      trx,
     );
   }
 
@@ -115,8 +91,8 @@ export class AttachmentsOnCreditNote {
    * @param {ICreditNoteEditedPayload}
    * @returns {Promise<void>}
    */
-  private async handleLinkPresentedKeysOnCreditNoteEdited({
+  @OnEvent(events.creditNote.onEdited)
-    tenantId,
+  async handleLinkPresentedKeysOnCreditNoteEdited({
     creditNoteEditDTO,
     oldCreditNote,
     trx,
@@ -124,14 +100,13 @@ export class AttachmentsOnCreditNote {
     if (isEmpty(creditNoteEditDTO.attachments)) return;
 
     const keys = creditNoteEditDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'CreditNote',
       oldCreditNote.id,
-      trx
+      trx,
     );
   }
 
@@ -140,16 +115,15 @@ export class AttachmentsOnCreditNote {
    * @param {ICreditNoteDeletingPayload}
    * @returns {Promise<void>}
    */
-  private async handleUnlinkAttachmentsOnCreditNoteDeleted({
+  @OnEvent(events.creditNote.onDeleting)
-    tenantId,
+  async handleUnlinkAttachmentsOnCreditNoteDeleted({
     oldCreditNote,
     trx,
   }: ICreditNoteDeletingPayload) {
     await this.unlinkAttachmentService.unlinkAllModelKeys(
-      tenantId,
       'CreditNote',
       oldCreditNote.id,
-      trx
+      trx,
     );
   }
 }

packages/server-nest/src/modules/Attachments/events/AttachmentsOnExpenses.ts

@@ -1,68 +1,40 @@
-import { Inject, Service } from 'typedi';
 import { isEmpty } from 'lodash';
+import { OnEvent } from '@nestjs/event-emitter';
+import { Injectable } from '@nestjs/common';
 import {
   IExpenseCreatedPayload,
   IExpenseCreatingPayload,
   IExpenseDeletingPayload,
   IExpenseEventEditPayload,
-} from '@/interfaces';
+} from '@/modules/Expenses/Expenses.types';
-import events from '@/subscribers/events';
-import { LinkAttachment } from '../LinkAttachment';
 import { ValidateAttachments } from '../ValidateAttachments';
 import { UnlinkAttachment } from '../UnlinkAttachment';
+import { LinkAttachment } from '../LinkAttachment';
+import { events } from '@/common/events/events';
 
-@Service()
+@Injectable()
 export class AttachmentsOnExpenses {
-  @Inject()
+  constructor(
-  private linkAttachmentService: LinkAttachment;
+    private readonly linkAttachmentService: LinkAttachment,
-
+    private readonly unlinkAttachmentService: UnlinkAttachment,
-  @Inject()
+    private readonly validateDocuments: ValidateAttachments,
-  private unlinkAttachmentService: UnlinkAttachment;
+  ) {}
-
-  @Inject()
-  private validateDocuments: ValidateAttachments;
-
-  /**
-   * Constructor method.
-   */
-  public attach(bus) {
-    bus.subscribe(
-      events.expenses.onCreating,
-      this.validateAttachmentsOnExpenseCreate.bind(this)
-    );
-    bus.subscribe(
-      events.expenses.onCreated,
-      this.handleAttachmentsOnExpenseCreated.bind(this)
-    );
-    bus.subscribe(
-      events.expenses.onEdited,
-      this.handleUnlinkUnpresentedKeysOnExpenseEdited.bind(this)
-    );
-    bus.subscribe(
-      events.expenses.onEdited,
-      this.handleLinkPresentedKeysOnExpenseEdited.bind(this)
-    );
-    bus.subscribe(
-      events.expenses.onDeleting,
-      this.handleUnlinkAttachmentsOnExpenseDeleted.bind(this)
-    );
-  }
 
   /**
    * Validates the attachment keys on creating expense.
    * @param {ISaleInvoiceCreatingPaylaod}
    * @returns {Promise<void>}
    */
-  private async validateAttachmentsOnExpenseCreate({
+  @OnEvent(events.expenses.onCreating)
+  async validateAttachmentsOnExpenseCreate({
     expenseDTO,
-    tenantId,
   }: IExpenseCreatingPayload): Promise<void> {
     if (isEmpty(expenseDTO.attachments)) {
       return;
     }
     const documentKeys = expenseDTO?.attachments?.map((a) => a.key);
 
-    await this.validateDocuments.validate(tenantId, documentKeys);
+    await this.validateDocuments.validate(documentKeys);
   }
 
   /**
@@ -70,8 +42,8 @@ export class AttachmentsOnExpenses {
    * @param {ISaleInvoiceCreatedPayload}
    * @returns {Promise<void>}
    */
-  private async handleAttachmentsOnExpenseCreated({
+  @OnEvent(events.expenses.onCreated)
-    tenantId,
+  async handleAttachmentsOnExpenseCreated({
     expenseDTO,
     expense,
     trx,
@@ -79,12 +51,12 @@ export class AttachmentsOnExpenses {
     if (isEmpty(expenseDTO.attachments)) return;
 
     const keys = expenseDTO.attachments?.map((attachment) => attachment.key);
+
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'Expense',
       expense.id,
-      trx
+      trx,
     );
   }
 
@@ -92,19 +64,18 @@ export class AttachmentsOnExpenses {
    * Handles unlinking all the unpresented keys of the edited expense.
    * @param {ISaleInvoiceEditedPayload}
    */
-  private async handleUnlinkUnpresentedKeysOnExpenseEdited({
+  @OnEvent(events.expenses.onEdited)
-    tenantId,
+  async handleUnlinkUnpresentedKeysOnExpenseEdited({
     expenseDTO,
     expense,
     trx,
   }: IExpenseEventEditPayload) {
     const keys = expenseDTO.attachments?.map((attachment) => attachment.key);
     await this.unlinkAttachmentService.unlinkUnpresentedKeys(
-      tenantId,
       keys,
       'Expense',
       expense.id,
-      trx
+      trx,
     );
   }
 
@@ -113,8 +84,8 @@ export class AttachmentsOnExpenses {
    * @param {ISaleInvoiceEditedPayload}
    * @returns {Promise<void>}
    */
-  private async handleLinkPresentedKeysOnExpenseEdited({
+  @OnEvent(events.expenses.onEdited)
-    tenantId,
+  async handleLinkPresentedKeysOnExpenseEdited({
     expenseDTO,
     oldExpense,
     trx,
@@ -123,11 +94,10 @@ export class AttachmentsOnExpenses {
 
     const keys = expenseDTO.attachments?.map((attachment) => attachment.key);
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'Expense',
       oldExpense.id,
-      trx
+      trx,
     );
   }
 
@@ -136,16 +106,15 @@ export class AttachmentsOnExpenses {
    * @param {ISaleInvoiceDeletedPayload}
    * @returns {Promise<void>}
    */
-  private async handleUnlinkAttachmentsOnExpenseDeleted({
+  @OnEvent(events.expenses.onDeleting)
-    tenantId,
+  async handleUnlinkAttachmentsOnExpenseDeleted({
     oldExpense,
     trx,
   }: IExpenseDeletingPayload) {
     await this.unlinkAttachmentService.unlinkAllModelKeys(
-      tenantId,
       'Expense',
       oldExpense.id,
-      trx
+      trx,
     );
   }
 }

packages/server-nest/src/modules/Attachments/events/AttachmentsOnManualJournals.ts

@@ -1,68 +1,40 @@
-import { Inject, Service } from 'typedi';
 import { isEmpty } from 'lodash';
 import {
   IManualJournalCreatingPayload,
   IManualJournalEventCreatedPayload,
   IManualJournalEventDeletedPayload,
   IManualJournalEventEditedPayload,
-} from '@/interfaces';
+} from '@/modules/ManualJournals/types/ManualJournals.types';
-import events from '@/subscribers/events';
-import { LinkAttachment } from '../LinkAttachment';
 import { ValidateAttachments } from '../ValidateAttachments';
+import { OnEvent } from '@nestjs/event-emitter';
 import { UnlinkAttachment } from '../UnlinkAttachment';
+import { LinkAttachment } from '../LinkAttachment';
+import { Injectable } from '@nestjs/common';
+import { events } from '@/common/events/events';
 
-@Service()
+@Injectable()
 export class AttachmentsOnManualJournals {
-  @Inject()
+  constructor(
-  private linkAttachmentService: LinkAttachment;
+    private readonly linkAttachmentService: LinkAttachment,
-
+    private readonly unlinkAttachmentService: UnlinkAttachment,
-  @Inject()
+    private readonly validateDocuments: ValidateAttachments,
-  private unlinkAttachmentService: UnlinkAttachment;
+  ) {}
-
-  @Inject()
-  private validateDocuments: ValidateAttachments;
-
-  /**
-   * Constructor method.
-   */
-  public attach(bus) {
-    bus.subscribe(
-      events.manualJournals.onCreating,
-      this.validateAttachmentsOnManualJournalCreate.bind(this)
-    );
-    bus.subscribe(
-      events.manualJournals.onCreated,
-      this.handleAttachmentsOnManualJournalCreated.bind(this)
-    );
-    bus.subscribe(
-      events.manualJournals.onEdited,
-      this.handleUnlinkUnpresentedKeysOnManualJournalEdited.bind(this)
-    );
-    bus.subscribe(
-      events.manualJournals.onEdited,
-      this.handleLinkPresentedKeysOnManualJournalEdited.bind(this)
-    );
-    bus.subscribe(
-      events.manualJournals.onDeleting,
-      this.handleUnlinkAttachmentsOnManualJournalDeleted.bind(this)
-    );
-  }
 
   /**
    * Validates the attachment keys on creating manual journal.
    * @param {IManualJournalCreatingPayload}
    * @returns {Promise<void>}
    */
-  private async validateAttachmentsOnManualJournalCreate({
+  @OnEvent(events.manualJournals.onCreating)
+  async validateAttachmentsOnManualJournalCreate({
     manualJournalDTO,
-    tenantId,
   }: IManualJournalCreatingPayload): Promise<void> {
     if (isEmpty(manualJournalDTO.attachments)) {
       return;
     }
     const documentKeys = manualJournalDTO?.attachments?.map((a) => a.key);
 
-    await this.validateDocuments.validate(tenantId, documentKeys);
+    await this.validateDocuments.validate(documentKeys);
   }
 
   /**
@@ -70,8 +42,8 @@ export class AttachmentsOnManualJournals {
    * @param {IManualJournalEventCreatedPayload}
    * @returns {Promise<void>}
    */
-  private async handleAttachmentsOnManualJournalCreated({
+  @OnEvent(events.manualJournals.onCreated)
-    tenantId,
+  async handleAttachmentsOnManualJournalCreated({
     manualJournalDTO,
     manualJournal,
     trx,
@@ -79,14 +51,13 @@ export class AttachmentsOnManualJournals {
     if (isEmpty(manualJournalDTO.attachments)) return;
 
     const keys = manualJournalDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'ManualJournal',
       manualJournal.id,
-      trx
+      trx,
     );
   }
 
@@ -94,21 +65,20 @@ export class AttachmentsOnManualJournals {
    * Handles unlinking all the unpresented keys of the edited manual journal.
    * @param {ISaleInvoiceEditedPayload}
    */
-  private async handleUnlinkUnpresentedKeysOnManualJournalEdited({
+  @OnEvent(events.manualJournals.onEdited)
-    tenantId,
+  async handleUnlinkUnpresentedKeysOnManualJournalEdited({
     manualJournalDTO,
     manualJournal,
-    trx
+    trx,
   }: IManualJournalEventEditedPayload) {
     const keys = manualJournalDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.unlinkAttachmentService.unlinkUnpresentedKeys(
-      tenantId,
       keys,
       'SaleInvoice',
       manualJournal.id,
-      trx
+      trx,
     );
   }
 
@@ -117,8 +87,8 @@ export class AttachmentsOnManualJournals {
    * @param {ISaleInvoiceEditedPayload}
    * @returns {Promise<void>}
    */
-  private async handleLinkPresentedKeysOnManualJournalEdited({
+  @OnEvent(events.manualJournals.onEdited)
-    tenantId,
+  async handleLinkPresentedKeysOnManualJournalEdited({
     manualJournalDTO,
     oldManualJournal,
     trx,
@@ -126,14 +96,13 @@ export class AttachmentsOnManualJournals {
     if (isEmpty(manualJournalDTO.attachments)) return;
 
     const keys = manualJournalDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'ManualJournal',
       oldManualJournal.id,
-      trx
+      trx,
     );
   }
 
@@ -142,16 +111,15 @@ export class AttachmentsOnManualJournals {
    * @param {ISaleInvoiceDeletedPayload}
    * @returns {Promise<void>}
    */
-  private async handleUnlinkAttachmentsOnManualJournalDeleted({
+  @OnEvent(events.manualJournals.onDeleting)
-    tenantId,
+  async handleUnlinkAttachmentsOnManualJournalDeleted({
     oldManualJournal,
     trx,
   }: IManualJournalEventDeletedPayload) {
     await this.unlinkAttachmentService.unlinkAllModelKeys(
-      tenantId,
       'SaleInvoice',
       oldManualJournal.id,
-      trx
+      trx,
     );
   }
 }

packages/server-nest/src/modules/Attachments/events/AttachmentsOnPaymentsMade.ts

@@ -1,68 +1,40 @@
-import { Inject, Service } from 'typedi';
 import { isEmpty } from 'lodash';
 import {
   IBillPaymentCreatingPayload,
   IBillPaymentDeletingPayload,
   IBillPaymentEventCreatedPayload,
   IBillPaymentEventEditedPayload,
-} from '@/interfaces';
+} from '@/modules/BillPayments/types/BillPayments.types';
-import events from '@/subscribers/events';
-import { LinkAttachment } from '../LinkAttachment';
 import { ValidateAttachments } from '../ValidateAttachments';
+import { Injectable } from '@nestjs/common';
+import { LinkAttachment } from '../LinkAttachment';
 import { UnlinkAttachment } from '../UnlinkAttachment';
+import { events } from '@/common/events/events';
+import { OnEvent } from '@nestjs/event-emitter';
 
-@Service()
+@Injectable()
 export class AttachmentsOnBillPayments {
-  @Inject()
+  constructor(
-  private linkAttachmentService: LinkAttachment;
+    private readonly linkAttachmentService: LinkAttachment,
-
+    private readonly unlinkAttachmentService: UnlinkAttachment,
-  @Inject()
+    private readonly validateDocuments: ValidateAttachments,
-  private unlinkAttachmentService: UnlinkAttachment;
+  ) {}
-
-  @Inject()
-  private validateDocuments: ValidateAttachments;
-
-  /**
-   * Constructor method.
-   */
-  public attach(bus) {
-    bus.subscribe(
-      events.billPayment.onCreating,
-      this.validateAttachmentsOnBillPaymentCreate.bind(this)
-    );
-    bus.subscribe(
-      events.billPayment.onCreated,
-      this.handleAttachmentsOnBillPaymentCreated.bind(this)
-    );
-    bus.subscribe(
-      events.billPayment.onEdited,
-      this.handleUnlinkUnpresentedKeysOnBillPaymentEdited.bind(this)
-    );
-    bus.subscribe(
-      events.billPayment.onEdited,
-      this.handleLinkPresentedKeysOnBillPaymentEdited.bind(this)
-    );
-    bus.subscribe(
-      events.billPayment.onDeleting,
-      this.handleUnlinkAttachmentsOnBillPaymentDeleted.bind(this)
-    );
-  }
 
   /**
    * Validates the attachment keys on creating bill payment.
    * @param {IBillPaymentCreatingPayload}
    * @returns {Promise<void>}
    */
-  private async validateAttachmentsOnBillPaymentCreate({
+  @OnEvent(events.billPayment.onCreating)
+  async validateAttachmentsOnBillPaymentCreate({
     billPaymentDTO,
-    tenantId,
   }: IBillPaymentCreatingPayload): Promise<void> {
     if (isEmpty(billPaymentDTO.attachments)) {
       return;
     }
     const documentKeys = billPaymentDTO?.attachments?.map((a) => a.key);
 
-    await this.validateDocuments.validate(tenantId, documentKeys);
+    await this.validateDocuments.validate(documentKeys);
   }
 
   /**
@@ -70,8 +42,8 @@ export class AttachmentsOnBillPayments {
    * @param {IBillPaymentEventCreatedPayload}
    * @returns {Promise<void>}
    */
-  private async handleAttachmentsOnBillPaymentCreated({
+  @OnEvent(events.billPayment.onCreated)
-    tenantId,
+  async handleAttachmentsOnBillPaymentCreated({
     billPaymentDTO,
     billPayment,
     trx,
@@ -79,14 +51,13 @@ export class AttachmentsOnBillPayments {
     if (isEmpty(billPaymentDTO.attachments)) return;
 
     const keys = billPaymentDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'BillPayment',
       billPayment.id,
-      trx
+      trx,
     );
   }
 
@@ -94,21 +65,20 @@ export class AttachmentsOnBillPayments {
    * Handles unlinking all the unpresented keys of the edited bill payment.
    * @param {IBillPaymentEventEditedPayload}
    */
-  private async handleUnlinkUnpresentedKeysOnBillPaymentEdited({
+  @OnEvent(events.billPayment.onEdited)
-    tenantId,
+  async handleUnlinkUnpresentedKeysOnBillPaymentEdited({
     billPaymentDTO,
     oldBillPayment,
     trx,
   }: IBillPaymentEventEditedPayload) {
     const keys = billPaymentDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.unlinkAttachmentService.unlinkUnpresentedKeys(
-      tenantId,
       keys,
       'BillPayment',
       oldBillPayment.id,
-      trx
+      trx,
     );
   }
 
@@ -117,8 +87,8 @@ export class AttachmentsOnBillPayments {
    * @param {IBillPaymentEventEditedPayload}
    * @returns {Promise<void>}
    */
-  private async handleLinkPresentedKeysOnBillPaymentEdited({
+  @OnEvent(events.billPayment.onEdited)
-    tenantId,
+  async handleLinkPresentedKeysOnBillPaymentEdited({
     billPaymentDTO,
     oldBillPayment,
     trx,
@@ -126,14 +96,13 @@ export class AttachmentsOnBillPayments {
     if (isEmpty(billPaymentDTO.attachments)) return;
 
     const keys = billPaymentDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'BillPayment',
       oldBillPayment.id,
-      trx
+      trx,
     );
   }
 
@@ -142,16 +111,15 @@ export class AttachmentsOnBillPayments {
    * @param {IBillPaymentDeletingPayload}
    * @returns {Promise<void>}
    */
-  private async handleUnlinkAttachmentsOnBillPaymentDeleted({
+  @OnEvent(events.billPayment.onDeleting)
-    tenantId,
+  async handleUnlinkAttachmentsOnBillPaymentDeleted({
     oldBillPayment,
     trx,
   }: IBillPaymentDeletingPayload) {
     await this.unlinkAttachmentService.unlinkAllModelKeys(
-      tenantId,
       'BillPayment',
       oldBillPayment.id,
-      trx
+      trx,
     );
   }
 }

packages/server-nest/src/modules/Attachments/events/AttachmentsOnPaymentsReceived.ts

@@ -1,68 +1,40 @@
-import { Inject, Service } from 'typedi';
 import { isEmpty } from 'lodash';
 import {
   IPaymentReceivedCreatedPayload,
   IPaymentReceivedCreatingPayload,
   IPaymentReceivedDeletingPayload,
   IPaymentReceivedEditedPayload,
-} from '@/interfaces';
+} from '@/modules/PaymentReceived/types/PaymentReceived.types';
-import events from '@/subscribers/events';
-import { LinkAttachment } from '../LinkAttachment';
 import { ValidateAttachments } from '../ValidateAttachments';
+import { OnEvent } from '@nestjs/event-emitter';
+import { Injectable } from '@nestjs/common';
 import { UnlinkAttachment } from '../UnlinkAttachment';
+import { LinkAttachment } from '../LinkAttachment';
+import { events } from '@/common/events/events';
 
-@Service()
+@Injectable()
 export class AttachmentsOnPaymentsReceived {
-  @Inject()
+  constructor(
-  private linkAttachmentService: LinkAttachment;
+    private readonly linkAttachmentService: LinkAttachment,
-
+    private readonly unlinkAttachmentService: UnlinkAttachment,
-  @Inject()
+    private readonly validateDocuments: ValidateAttachments,
-  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 {IPaymentReceivedCreatingPayload}
    * @returns {Promise<void>}
    */
-  private async validateAttachmentsOnPaymentCreate({
+  @OnEvent(events.paymentReceive.onCreating)
+  async validateAttachmentsOnPaymentCreate({
     paymentReceiveDTO,
-    tenantId,
   }: IPaymentReceivedCreatingPayload): Promise<void> {
     if (isEmpty(paymentReceiveDTO.attachments)) {
       return;
     }
     const documentKeys = paymentReceiveDTO?.attachments?.map((a) => a.key);
 
-    await this.validateDocuments.validate(tenantId, documentKeys);
+    await this.validateDocuments.validate(documentKeys);
   }
 
   /**
@@ -70,8 +42,8 @@ export class AttachmentsOnPaymentsReceived {
    * @param {IPaymentReceivedCreatedPayload}
    * @returns {Promise<void>}
    */
-  private async handleAttachmentsOnPaymentCreated({
+  @OnEvent(events.paymentReceive.onCreated)
-    tenantId,
+  async handleAttachmentsOnPaymentCreated({
     paymentReceiveDTO,
     paymentReceive,
     trx,
@@ -79,14 +51,13 @@ export class AttachmentsOnPaymentsReceived {
     if (isEmpty(paymentReceiveDTO.attachments)) return;
 
     const keys = paymentReceiveDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'PaymentReceive',
       paymentReceive.id,
-      trx
+      trx,
     );
   }
 
@@ -94,21 +65,20 @@ export class AttachmentsOnPaymentsReceived {
    * Handles unlinking all the unpresented keys of the edited payment.
    * @param {IPaymentReceivedEditedPayload}
    */
+  @OnEvent(events.paymentReceive.onEdited)
   private async handleUnlinkUnpresentedKeysOnPaymentEdited({
-    tenantId,
     paymentReceiveDTO,
     oldPaymentReceive,
     trx,
   }: IPaymentReceivedEditedPayload) {
     const keys = paymentReceiveDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.unlinkAttachmentService.unlinkUnpresentedKeys(
-      tenantId,
       keys,
       'PaymentReceive',
       oldPaymentReceive.id,
-      trx
+      trx,
     );
   }
 
@@ -117,8 +87,8 @@ export class AttachmentsOnPaymentsReceived {
    * @param {IPaymentReceivedEditedPayload}
    * @returns {Promise<void>}
    */
-  private async handleLinkPresentedKeysOnPaymentEdited({
+  @OnEvent(events.paymentReceive.onEdited)
-    tenantId,
+  async handleLinkPresentedKeysOnPaymentEdited({
     paymentReceiveDTO,
     oldPaymentReceive,
     trx,
@@ -126,14 +96,13 @@ export class AttachmentsOnPaymentsReceived {
     if (isEmpty(paymentReceiveDTO.attachments)) return;
 
     const keys = paymentReceiveDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'PaymentReceive',
       oldPaymentReceive.id,
-      trx
+      trx,
     );
   }
 
@@ -142,16 +111,15 @@ export class AttachmentsOnPaymentsReceived {
    * @param {ISaleInvoiceDeletedPayload}
    * @returns {Promise<void>}
    */
-  private async handleUnlinkAttachmentsOnPaymentDelete({
+  @OnEvent(events.paymentReceive.onDeleting)
-    tenantId,
+  async handleUnlinkAttachmentsOnPaymentDelete({
     oldPaymentReceive,
     trx,
   }: IPaymentReceivedDeletingPayload) {
     await this.unlinkAttachmentService.unlinkAllModelKeys(
-      tenantId,
       'PaymentReceive',
       oldPaymentReceive.id,
-      trx
+      trx,
     );
   }
 }

packages/server-nest/src/modules/Attachments/events/AttachmentsOnSaleEstimates.ts

@@ -1,68 +1,40 @@
-import { Inject, Service } from 'typedi';
 import { isEmpty } from 'lodash';
 import {
   ISaleEstimateCreatedPayload,
   ISaleEstimateCreatingPayload,
   ISaleEstimateDeletingPayload,
   ISaleEstimateEditedPayload,
-} from '@/interfaces';
+} from '@/modules/SaleEstimates/types/SaleEstimates.types';
-import events from '@/subscribers/events';
-import { LinkAttachment } from '../LinkAttachment';
 import { ValidateAttachments } from '../ValidateAttachments';
+import { Injectable } from '@nestjs/common';
 import { UnlinkAttachment } from '../UnlinkAttachment';
+import { LinkAttachment } from '../LinkAttachment';
+import { OnEvent } from '@nestjs/event-emitter';
+import { events } from '@/common/events/events';
 
-@Service()
+@Injectable()
 export class AttachmentsOnSaleEstimates {
-  @Inject()
+  constructor(
-  private linkAttachmentService: LinkAttachment;
+    private readonly linkAttachmentService: LinkAttachment,
-
+    private readonly unlinkAttachmentService: UnlinkAttachment,
-  @Inject()
+    private readonly validateDocuments: ValidateAttachments,
-  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({
+  @OnEvent(events.saleEstimate.onCreating)
+  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);
+    await this.validateDocuments.validate(documentKeys);
   }
 
   /**
@@ -70,8 +42,8 @@ export class AttachmentsOnSaleEstimates {
    * @param {ISaleEstimateCreatedPayload}
    * @returns {Promise<void>}
    */
-  private async handleAttachmentsOnSaleEstimateCreated({
+  @OnEvent(events.saleEstimate.onCreated)
-    tenantId,
+  async handleAttachmentsOnSaleEstimateCreated({
     saleEstimateDTO,
     saleEstimate,
     trx,
@@ -79,14 +51,13 @@ export class AttachmentsOnSaleEstimates {
     if (isEmpty(saleEstimateDTO.attachments)) return;
 
     const keys = saleEstimateDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'SaleEstimate',
       saleEstimate.id,
-      trx
+      trx,
     );
   }
 
@@ -94,20 +65,19 @@ export class AttachmentsOnSaleEstimates {
    * Handles unlinking all the unpresented keys of the edited sale estimate.
    * @param {ISaleEstimateEditedPayload}
    */
-  private async handleUnlinkUnpresentedKeysOnSaleEstimateEdited({
+  @OnEvent(events.saleEstimate.onEdited)
-    tenantId,
+  async handleUnlinkUnpresentedKeysOnSaleEstimateEdited({
     estimateDTO,
     oldSaleEstimate,
-    trx
+    trx,
   }: ISaleEstimateEditedPayload) {
     const keys = estimateDTO.attachments?.map((attachment) => attachment.key);
 
     await this.unlinkAttachmentService.unlinkUnpresentedKeys(
-      tenantId,
       keys,
       'SaleEstimate',
       oldSaleEstimate.id,
-      trx
+      trx,
     );
   }
 
@@ -116,8 +86,8 @@ export class AttachmentsOnSaleEstimates {
    * @param {ISaleEstimateEditedPayload}
    * @returns {Promise<void>}
    */
-  private async handleLinkPresentedKeysOnSaleEstimateEdited({
+  @OnEvent(events.saleEstimate.onEdited)
-    tenantId,
+  async handleLinkPresentedKeysOnSaleEstimateEdited({
     estimateDTO,
     oldSaleEstimate,
     trx,
@@ -125,12 +95,12 @@ export class AttachmentsOnSaleEstimates {
     if (isEmpty(estimateDTO.attachments)) return;
 
     const keys = estimateDTO.attachments?.map((attachment) => attachment.key);
+
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'SaleEstimate',
       oldSaleEstimate.id,
-      trx
+      trx,
     );
   }
 
@@ -139,16 +109,15 @@ export class AttachmentsOnSaleEstimates {
    * @param {ISaleEstimateDeletingPayload}
    * @returns {Promise<void>}
    */
-  private async handleUnlinkAttachmentsOnSaleEstimateDelete({
+  @OnEvent(events.saleEstimate.onDeleting)
-    tenantId,
+  async handleUnlinkAttachmentsOnSaleEstimateDelete({
     oldSaleEstimate,
     trx,
   }: ISaleEstimateDeletingPayload) {
     await this.unlinkAttachmentService.unlinkAllModelKeys(
-      tenantId,
       'SaleEstimate',
       oldSaleEstimate.id,
-      trx
+      trx,
     );
   }
 }

packages/server-nest/src/modules/Attachments/events/AttachmentsOnSaleInvoice.ts

@@ -1,68 +1,40 @@
-import { Inject, Service } from 'typedi';
+import { Injectable } from '@nestjs/common';
 import { isEmpty } from 'lodash';
+import { OnEvent } from '@nestjs/event-emitter';
 import {
   ISaleInvoiceCreatedPayload,
   ISaleInvoiceCreatingPaylaod,
   ISaleInvoiceDeletingPayload,
   ISaleInvoiceEditedPayload,
-} from '@/interfaces';
+} from '@/modules/SaleInvoices/SaleInvoice.types';
-import events from '@/subscribers/events';
-import { LinkAttachment } from '../LinkAttachment';
 import { ValidateAttachments } from '../ValidateAttachments';
+import { LinkAttachment } from '../LinkAttachment';
 import { UnlinkAttachment } from '../UnlinkAttachment';
+import { events } from '@/common/events/events';
 
-@Service()
+@Injectable()
 export class AttachmentsOnSaleInvoiceCreated {
-  @Inject()
+  constructor(
-  private linkAttachmentService: LinkAttachment;
+    private readonly linkAttachmentService: LinkAttachment,
-
+    private readonly unlinkAttachmentService: UnlinkAttachment,
-  @Inject()
+    private readonly validateDocuments: ValidateAttachments,
-  private unlinkAttachmentService: UnlinkAttachment;
+  ) {}
-
-  @Inject()
-  private validateDocuments: ValidateAttachments;
-
-  /**
-   * Constructor method.
-   */
-  public attach(bus) {
-    bus.subscribe(
-      events.saleInvoice.onCreating,
-      this.validateAttachmentsOnSaleInvoiceCreate.bind(this)
-    );
-    bus.subscribe(
-      events.saleInvoice.onCreated,
-      this.handleAttachmentsOnSaleInvoiceCreated.bind(this)
-    );
-    bus.subscribe(
-      events.saleInvoice.onEdited,
-      this.handleUnlinkUnpresentedKeysOnInvoiceEdited.bind(this)
-    );
-    bus.subscribe(
-      events.saleInvoice.onEdited,
-      this.handleLinkPresentedKeysOnInvoiceEdited.bind(this)
-    );
-    bus.subscribe(
-      events.saleInvoice.onDeleting,
-      this.handleUnlinkAttachmentsOnInvoiceDeleted.bind(this)
-    );
-  }
 
   /**
    * Validates the attachment keys on creating sale invoice.
    * @param {ISaleInvoiceCreatingPaylaod}
    * @returns {Promise<void>}
    */
-  private async validateAttachmentsOnSaleInvoiceCreate({
+  @OnEvent(events.saleInvoice.onCreating)
+  async validateAttachmentsOnSaleInvoiceCreate({
     saleInvoiceDTO,
-    tenantId,
   }: ISaleInvoiceCreatingPaylaod): Promise<void> {
     if (isEmpty(saleInvoiceDTO.attachments)) {
       return;
     }
     const documentKeys = saleInvoiceDTO?.attachments?.map((a) => a.key);
 
-    await this.validateDocuments.validate(tenantId, documentKeys);
+    await this.validateDocuments.validate(documentKeys);
   }
 
   /**
@@ -70,8 +42,8 @@ export class AttachmentsOnSaleInvoiceCreated {
    * @param {ISaleInvoiceCreatedPayload}
    * @returns {Promise<void>}
    */
-  private async handleAttachmentsOnSaleInvoiceCreated({
+  @OnEvent(events.saleInvoice.onCreated)
-    tenantId,
+  async handleAttachmentsOnSaleInvoiceCreated({
     saleInvoiceDTO,
     saleInvoice,
     trx,
@@ -79,14 +51,13 @@ export class AttachmentsOnSaleInvoiceCreated {
     if (isEmpty(saleInvoiceDTO.attachments)) return;
 
     const keys = saleInvoiceDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'SaleInvoice',
       saleInvoice.id,
-      trx
+      trx,
     );
   }
 
@@ -94,8 +65,8 @@ export class AttachmentsOnSaleInvoiceCreated {
    * Handles unlinking all the unpresented keys of the edited sale invoice.
    * @param {ISaleInvoiceEditedPayload}
    */
-  private async handleUnlinkUnpresentedKeysOnInvoiceEdited({
+  @OnEvent(events.saleInvoice.onEdited)
-    tenantId,
+  async handleUnlinkUnpresentedKeysOnInvoiceEdited({
     saleInvoiceDTO,
     saleInvoice,
     trx,
@@ -103,14 +74,13 @@ export class AttachmentsOnSaleInvoiceCreated {
     // if (isEmpty(saleInvoiceDTO.attachments)) return;
 
     const keys = saleInvoiceDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.unlinkAttachmentService.unlinkUnpresentedKeys(
-      tenantId,
       keys,
       'SaleInvoice',
       saleInvoice.id,
-      trx
+      trx,
     );
   }
 
@@ -119,8 +89,8 @@ export class AttachmentsOnSaleInvoiceCreated {
    * @param {ISaleInvoiceEditedPayload}
    * @returns {Promise<void>}
    */
-  private async handleLinkPresentedKeysOnInvoiceEdited({
+  @OnEvent(events.saleInvoice.onEdited)
-    tenantId,
+  async handleLinkPresentedKeysOnInvoiceEdited({
     saleInvoiceDTO,
     oldSaleInvoice,
     trx,
@@ -128,14 +98,13 @@ export class AttachmentsOnSaleInvoiceCreated {
     if (isEmpty(saleInvoiceDTO.attachments)) return;
 
     const keys = saleInvoiceDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'SaleInvoice',
       oldSaleInvoice.id,
-      trx
+      trx,
     );
   }
 
@@ -144,16 +113,15 @@ export class AttachmentsOnSaleInvoiceCreated {
    * @param {ISaleInvoiceDeletedPayload}
    * @returns {Promise<void>}
    */
-  private async handleUnlinkAttachmentsOnInvoiceDeleted({
+  @OnEvent(events.saleInvoice.onDeleting)
-    tenantId,
+  async handleUnlinkAttachmentsOnInvoiceDeleted({
     oldSaleInvoice,
     trx,
   }: ISaleInvoiceDeletingPayload) {
     await this.unlinkAttachmentService.unlinkAllModelKeys(
-      tenantId,
       'SaleInvoice',
       oldSaleInvoice.id,
-      trx
+      trx,
     );
   }
 }

packages/server-nest/src/modules/Attachments/events/AttachmentsOnSaleReceipts.ts

@@ -1,68 +1,40 @@
-import { Inject, Service } from 'typedi';
 import { isEmpty } from 'lodash';
+import { Injectable } from '@nestjs/common';
+import { OnEvent } from '@nestjs/event-emitter';
 import {
   ISaleReceiptCreatedPayload,
   ISaleReceiptCreatingPayload,
   ISaleReceiptDeletingPayload,
   ISaleReceiptEditedPayload,
-} from '@/interfaces';
+} from '../../SaleReceipts/types/SaleReceipts.types';
-import events from '@/subscribers/events';
-import { LinkAttachment } from '../LinkAttachment';
 import { ValidateAttachments } from '../ValidateAttachments';
+import { LinkAttachment } from '../LinkAttachment';
 import { UnlinkAttachment } from '../UnlinkAttachment';
+import { events } from '@/common/events/events';
 
-@Service()
+@Injectable()
 export class AttachmentsOnSaleReceipt {
-  @Inject()
+  constructor(
-  private linkAttachmentService: LinkAttachment;
+    private readonly linkAttachmentService: LinkAttachment,
-
+    private readonly unlinkAttachmentService: UnlinkAttachment,
-  @Inject()
+    private readonly validateDocuments: ValidateAttachments,
-  private unlinkAttachmentService: UnlinkAttachment;
+  ) {}
-
-  @Inject()
-  private validateDocuments: ValidateAttachments;
-
-  /**
-   * Constructor method.
-   */
-  public attach(bus) {
-    bus.subscribe(
-      events.saleReceipt.onCreating,
-      this.validateAttachmentsOnSaleInvoiceCreate.bind(this)
-    );
-    bus.subscribe(
-      events.saleReceipt.onCreated,
-      this.handleAttachmentsOnSaleInvoiceCreated.bind(this)
-    );
-    bus.subscribe(
-      events.saleReceipt.onEdited,
-      this.handleUnlinkUnpresentedKeysOnInvoiceEdited.bind(this)
-    );
-    bus.subscribe(
-      events.saleReceipt.onEdited,
-      this.handleLinkPresentedKeysOnInvoiceEdited.bind(this)
-    );
-    bus.subscribe(
-      events.saleReceipt.onDeleting,
-      this.handleUnlinkAttachmentsOnReceiptDeleted.bind(this)
-    );
-  }
 
   /**
    * Validates the attachment keys on creating sale receipt.
    * @param {ISaleReceiptCreatingPayload}
    * @returns {Promise<void>}
    */
-  private async validateAttachmentsOnSaleInvoiceCreate({
+  @OnEvent(events.saleReceipt.onCreating)
+  async validateAttachmentsOnSaleInvoiceCreate({
     saleReceiptDTO,
-    tenantId,
   }: ISaleReceiptCreatingPayload): Promise<void> {
     if (isEmpty(saleReceiptDTO.attachments)) {
       return;
     }
     const documentKeys = saleReceiptDTO?.attachments?.map((a) => a.key);
 
-    await this.validateDocuments.validate(tenantId, documentKeys);
+    await this.validateDocuments.validate(documentKeys);
   }
 
   /**
@@ -70,8 +42,8 @@ export class AttachmentsOnSaleReceipt {
    * @param {ISaleReceiptCreatedPayload}
    * @returns {Promise<void>}
    */
-  private async handleAttachmentsOnSaleInvoiceCreated({
+  @OnEvent(events.saleReceipt.onCreated)
-    tenantId,
+  async handleAttachmentsOnSaleInvoiceCreated({
     saleReceiptDTO,
     saleReceipt,
     trx,
@@ -79,14 +51,13 @@ export class AttachmentsOnSaleReceipt {
     if (isEmpty(saleReceiptDTO.attachments)) return;
 
     const keys = saleReceiptDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'SaleReceipt',
       saleReceipt.id,
-      trx
+      trx,
     );
   }
 
@@ -94,21 +65,20 @@ export class AttachmentsOnSaleReceipt {
    * Handles unlinking all the unpresented keys of the edited sale receipt.
    * @param {ISaleReceiptEditedPayload}
    */
-  private async handleUnlinkUnpresentedKeysOnInvoiceEdited({
+  @OnEvent(events.saleReceipt.onEdited)
-    tenantId,
+  async handleUnlinkUnpresentedKeysOnInvoiceEdited({
     saleReceiptDTO,
     saleReceipt,
     trx,
   }: ISaleReceiptEditedPayload) {
     const keys = saleReceiptDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.unlinkAttachmentService.unlinkUnpresentedKeys(
-      tenantId,
       keys,
       'SaleReceipt',
       saleReceipt.id,
-      trx
+      trx,
     );
   }
 
@@ -117,8 +87,8 @@ export class AttachmentsOnSaleReceipt {
    * @param {ISaleReceiptEditedPayload}
    * @returns {Promise<void>}
    */
-  private async handleLinkPresentedKeysOnInvoiceEdited({
+  @OnEvent(events.saleReceipt.onEdited)
-    tenantId,
+  async handleLinkPresentedKeysOnInvoiceEdited({
     saleReceiptDTO,
     oldSaleReceipt,
     trx,
@@ -126,14 +96,13 @@ export class AttachmentsOnSaleReceipt {
     if (isEmpty(saleReceiptDTO.attachments)) return;
 
     const keys = saleReceiptDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'SaleReceipt',
       oldSaleReceipt.id,
-      trx
+      trx,
     );
   }
 
@@ -142,16 +111,15 @@ export class AttachmentsOnSaleReceipt {
    * @param {ISaleReceiptDeletingPayload}
    * @returns {Promise<void>}
    */
-  private async handleUnlinkAttachmentsOnReceiptDeleted({
+  @OnEvent(events.saleReceipt.onDeleting)
-    tenantId,
+  async handleUnlinkAttachmentsOnReceiptDeleted({
     oldSaleReceipt,
     trx,
   }: ISaleReceiptDeletingPayload) {
     await this.unlinkAttachmentService.unlinkAllModelKeys(
-      tenantId,
       'SaleReceipt',
       oldSaleReceipt.id,
-      trx
+      trx,
     );
   }
 }

packages/server-nest/src/modules/Attachments/events/AttachmentsOnVendorCredits.ts

@@ -1,68 +1,40 @@
-import { Inject, Service } from 'typedi';
 import { isEmpty } from 'lodash';
 import {
   IVendorCreditCreatedPayload,
   IVendorCreditCreatingPayload,
   IVendorCreditDeletingPayload,
   IVendorCreditEditedPayload,
-} from '@/interfaces';
+} from '../../VendorCredit/types/VendorCredit.types';
-import events from '@/subscribers/events';
-import { LinkAttachment } from '../LinkAttachment';
 import { ValidateAttachments } from '../ValidateAttachments';
+import { OnEvent } from '@nestjs/event-emitter';
+import { Injectable } from '@nestjs/common';
 import { UnlinkAttachment } from '../UnlinkAttachment';
+import { LinkAttachment } from '../LinkAttachment';
+import { events } from '@/common/events/events';
 
-@Service()
+@Injectable()
 export class AttachmentsOnVendorCredits {
-  @Inject()
+  constructor(
-  private linkAttachmentService: LinkAttachment;
+    private readonly linkAttachmentService: LinkAttachment,
-
+    private readonly unlinkAttachmentService: UnlinkAttachment,
-  @Inject()
+    private readonly validateDocuments: ValidateAttachments,
-  private unlinkAttachmentService: UnlinkAttachment;
+  ) {}
-
-  @Inject()
-  private validateDocuments: ValidateAttachments;
-
-  /**
-   * Constructor method.
-   */
-  public attach(bus) {
-    bus.subscribe(
-      events.vendorCredit.onCreating,
-      this.validateAttachmentsOnVendorCreditCreate.bind(this)
-    );
-    bus.subscribe(
-      events.vendorCredit.onCreated,
-      this.handleAttachmentsOnVendorCreditCreated.bind(this)
-    );
-    bus.subscribe(
-      events.vendorCredit.onEdited,
-      this.handleUnlinkUnpresentedKeysOnVendorCreditEdited.bind(this)
-    );
-    bus.subscribe(
-      events.vendorCredit.onEdited,
-      this.handleLinkPresentedKeysOnVendorCreditEdited.bind(this)
-    );
-    bus.subscribe(
-      events.vendorCredit.onDeleting,
-      this.handleUnlinkAttachmentsOnVendorCreditDeleted.bind(this)
-    );
-  }
 
   /**
    * Validates the attachment keys on creating vendor credit.
    * @param {IVendorCreditCreatingPayload}
    * @returns {Promise<void>}
    */
-  private async validateAttachmentsOnVendorCreditCreate({
+  @OnEvent(events.vendorCredit.onCreating)
+  async validateAttachmentsOnVendorCreditCreate({
     vendorCreditCreateDTO,
-    tenantId,
   }: IVendorCreditCreatingPayload): Promise<void> {
     if (isEmpty(vendorCreditCreateDTO.attachments)) {
       return;
     }
     const documentKeys = vendorCreditCreateDTO?.attachments?.map((a) => a.key);
 
-    await this.validateDocuments.validate(tenantId, documentKeys);
+    await this.validateDocuments.validate(documentKeys);
   }
 
   /**
@@ -70,8 +42,8 @@ export class AttachmentsOnVendorCredits {
    * @param {IVendorCreditCreatedPayload}
    * @returns {Promise<void>}
    */
-  private async handleAttachmentsOnVendorCreditCreated({
+  @OnEvent(events.vendorCredit.onCreated)
-    tenantId,
+  async handleAttachmentsOnVendorCreditCreated({
     vendorCreditCreateDTO,
     vendorCredit,
     trx,
@@ -79,14 +51,13 @@ export class AttachmentsOnVendorCredits {
     if (isEmpty(vendorCreditCreateDTO.attachments)) return;
 
     const keys = vendorCreditCreateDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'VendorCredit',
       vendorCredit.id,
-      trx
+      trx,
     );
   }
 
@@ -94,21 +65,20 @@ export class AttachmentsOnVendorCredits {
    * Handles unlinking all the unpresented keys of the edited vendor credit.
    * @param {IVendorCreditEditedPayload}
    */
-  private async handleUnlinkUnpresentedKeysOnVendorCreditEdited({
+  @OnEvent(events.vendorCredit.onEdited)
-    tenantId,
+  async handleUnlinkUnpresentedKeysOnVendorCreditEdited({
     vendorCreditDTO,
     oldVendorCredit,
     trx,
   }: IVendorCreditEditedPayload) {
     const keys = vendorCreditDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.unlinkAttachmentService.unlinkUnpresentedKeys(
-      tenantId,
       keys,
       'VendorCredit',
       oldVendorCredit.id,
-      trx
+      trx,
     );
   }
 
@@ -117,8 +87,8 @@ export class AttachmentsOnVendorCredits {
    * @param {IVendorCreditEditedPayload}
    * @returns {Promise<void>}
    */
-  private async handleLinkPresentedKeysOnVendorCreditEdited({
+  @OnEvent(events.vendorCredit.onEdited)
-    tenantId,
+  async handleLinkPresentedKeysOnVendorCreditEdited({
     vendorCreditDTO,
     oldVendorCredit,
     trx,
@@ -126,14 +96,13 @@ export class AttachmentsOnVendorCredits {
     if (isEmpty(vendorCreditDTO.attachments)) return;
 
     const keys = vendorCreditDTO.attachments?.map(
-      (attachment) => attachment.key
+      (attachment) => attachment.key,
     );
     await this.linkAttachmentService.bulkLink(
-      tenantId,
       keys,
       'VendorCredit',
       oldVendorCredit.id,
-      trx
+      trx,
     );
   }
 
@@ -142,16 +111,15 @@ export class AttachmentsOnVendorCredits {
    * @param {IVendorCreditDeletingPayload}
    * @returns {Promise<void>}
    */
-  private async handleUnlinkAttachmentsOnVendorCreditDeleted({
+  @OnEvent(events.vendorCredit.onDeleting)
-    tenantId,
+  async handleUnlinkAttachmentsOnVendorCreditDeleted({
     oldVendorCredit,
     trx,
   }: IVendorCreditDeletingPayload) {
     await this.unlinkAttachmentService.unlinkAllModelKeys(
-      tenantId,
       'VendorCredit',
       oldVendorCredit.id,
-      trx
+      trx,
     );
   }
 }

packages/server-nest/src/modules/Attachments/models/DocumentLink.model.ts

@@ -1,7 +1,9 @@
 import { TenantBaseModel } from '@/modules/System/models/TenantBaseModel';
 import { Model, mixin } from 'objection';
+import { DocumentModel } from './Document.model';
 
 export class DocumentLinkModel extends TenantBaseModel {
+  document!: DocumentModel;
   /**
    * Table name
    */

packages/server-nest/src/modules/Attachments/utils.ts

@@ -1,9 +1,10 @@
 import path from 'path';
-import config from '@/config';
+// import config from '@/config';
 
 export const getUploadedObjectUri = (objectKey: string) => {
-  return new URL(
+  return '';
-    path.join(config.s3.bucket, objectKey),
+  // return new URL(
-    config.s3.endpoint
+  //   path.join(config.s3.bucket, objectKey),
-  ).toString();
+  //   config.s3.endpoint
+  // ).toString();
 };

packages/server-nest/src/modules/ChromiumlyTenancy/models/DocumentLink.ts

@@ -6,7 +6,7 @@ import { BaseModel } from '@/models/Model';
 
 export class DocumentLink extends BaseModel{
   public modelRef: string;
-  public modelId: string;
+  public modelId: number;
   public documentId: number;
   public expiresAt?: Date;
 

packages/server-nest/src/modules/CreditNotes/commands/CommandCreditNoteDTOTransform.service.ts

@@ -4,11 +4,6 @@ import * as moment from 'moment';
 import * as composeAsync from 'async/compose';
 import * as R from 'ramda';
 import { ERRORS } from '../constants';
-import {
-  ICreditNoteEditDTO,
-  ICreditNoteEntryNewDTO,
-  ICreditNoteNewDTO,
-} from '../types/CreditNotes.types';
 import { ServiceError } from '@/modules/Items/ServiceError';
 import { ItemsEntriesService } from '@/modules/Items/ItemsEntries.service';
 import { BranchTransactionDTOTransformer } from '@/modules/Branches/integrations/BranchTransactionDTOTransform';

packages/server-nest/src/modules/CreditNotes/types/CreditNotes.types.ts

@@ -1,43 +1,9 @@
 import { Knex } from 'knex';
 import { CreditNote } from '../models/CreditNote';
-import { RefundCreditNote } from '../../CreditNoteRefunds/models/RefundCreditNote';
-import { AttachmentLinkDTO } from '@/modules/Attachments/Attachments.types';
-import { IItemEntryDTO } from '@/modules/TransactionItemEntry/ItemEntry.types';
 import { IFilterMeta, IPaginationMeta } from '@/interfaces/Model';
 import { IDynamicListFilter } from '@/modules/DynamicListing/DynamicFilter/DynamicFilter.types';
 import { ILedgerEntry } from '@/modules/Ledger/types/Ledger.types';
-import { EditCreditNoteDto } from '../dtos/CreditNote.dto';
+import { CreateCreditNoteDto, EditCreditNoteDto } from '../dtos/CreditNote.dto';
-
-export interface ICreditNoteEntryNewDTO extends IItemEntryDTO {}
-
-export interface ICreditNoteNewDTO {
-  customerId: number;
-  exchangeRate?: number;
-  creditNoteDate: Date;
-  creditNoteNumber: string;
-  note: string;
-  open: boolean;
-  entries: ICreditNoteEntryNewDTO[];
-  branchId?: number;
-  warehouseId?: number;
-  attachments?: AttachmentLinkDTO[];
-  discount?: number;
-  // discountType?: DiscountType;
-  adjustment?: number;
-}
-
-export interface ICreditNoteEditDTO {
-  customerId: number;
-  exchangeRate?: number;
-  creditNoteDate: Date;
-  creditNoteNumber: string;
-  note: string;
-  open: boolean;
-  entries: ICreditNoteEntryNewDTO[];
-  branchId?: number;
-  warehouseId?: number;
-  attachments?: AttachmentLinkDTO[];
-}
 
 export enum CreditNoteAction {
   Create = 'Create',
@@ -74,13 +40,13 @@ export interface ICreditNoteEditedPayload {
 }
 
 export interface ICreditNoteCreatedPayload {
-  creditNoteDTO: ICreditNoteNewDTO;
+  creditNoteDTO: CreateCreditNoteDto;
   creditNote: CreditNote;
   trx: Knex.Transaction;
 }
 
 export interface ICreditNoteCreatingPayload {
-  creditNoteDTO: ICreditNoteNewDTO;
+  creditNoteDTO: CreateCreditNoteDto;
   trx: Knex.Transaction;
 }
 

packages/server-nest/src/modules/Expenses/Expenses.types.ts

@@ -2,6 +2,8 @@ import { Knex } from 'knex';
 import { Expense } from './models/Expense.model';
 import { SystemUser } from '../System/models/SystemUser';
 import { IFilterRole } from '../DynamicListing/DynamicFilter/DynamicFilter.types';
+import { CreateExpenseDto, EditExpenseDto } from './dtos/Expense.dto';
+import { CreateExpense } from './commands/CreateExpense.service';
 
 export interface IPaginationMeta {
   total: number;
@@ -19,59 +21,28 @@ export interface IExpensesFilter {
   filterQuery?: (query: any) => void;
 }
 
-export interface IExpenseCommonDTO {
-  currencyCode: string;
-  exchangeRate?: number;
-  description?: string;
-  paymentAccountId: number;
-  peyeeId?: number;
-  referenceNo?: string;
-  publish: boolean;
-  userId: number;
-  paymentDate: Date;
-  payeeId: number;
-  categories: IExpenseCategoryDTO[];
-
-  branchId?: number;
-  // attachments?: AttachmentLinkDTO[];
-}
-
-export interface IExpenseCreateDTO extends IExpenseCommonDTO {}
-export interface IExpenseEditDTO extends IExpenseCommonDTO {}
-
-export interface IExpenseCategoryDTO {
-  id?: number;
-  expenseAccountId: number;
-  index: number;
-  amount: number;
-  description?: string;
-  expenseId: number;
-  landedCost?: boolean;
-  projectId?: number;
-}
-
 export interface IExpenseCreatingPayload {
   trx: Knex.Transaction;
-  expenseDTO: IExpenseCreateDTO;
+  expenseDTO: CreateExpenseDto;
 }
 
 export interface IExpenseEventEditingPayload {
   oldExpense: Expense;
-  expenseDTO: IExpenseEditDTO;
+  expenseDTO: EditExpenseDto;
   trx: Knex.Transaction;
 }
 
 export interface IExpenseCreatedPayload {
   expenseId: number;
   expense: Expense;
-  expenseDTO: IExpenseCreateDTO;
+  expenseDTO: CreateExpenseDto;
   trx?: Knex.Transaction;
 }
 
 export interface IExpenseEventEditPayload {
   expenseId: number;
   expense: Expense;
-  expenseDTO: IExpenseEditDTO;
+  expenseDTO: EditExpenseDto;
   authorizedUser: SystemUser;
   oldExpense: Expense;
   trx: Knex.Transaction;

packages/server-nest/src/modules/S3/S3.module.ts

@@ -7,6 +7,7 @@ export const S3_CLIENT = 'S3_CLIENT';
 const services = [
   {
     provide: S3_CLIENT,
+    inject: [ConfigService],
     useFactory: (configService: ConfigService) => {
       const config = configService.get('s3');
 

packages/server-nest/src/modules/SaleInvoices/dtos/SaleInvoice.dto.ts

@@ -29,6 +29,12 @@ class PaymentMethodDto {
   enable: boolean;
 }
 
+
+class AttachmentDto {
+  @IsString()
+  key: string;
+}
+
 class CommandSaleInvoiceDto {
   @IsInt()
   @IsNotEmpty()
@@ -186,6 +192,16 @@ class CommandSaleInvoiceDto {
     example: 1,
   })
   fromEstimateId?: number;
+
+  @IsOptional()
+  @IsArray()
+  @ValidateNested({ each: true })
+  @Type(() => AttachmentDto)
+  @ApiProperty({
+    description: 'The attachments of the sale receipt',
+    example: [{ key: '123456' }],
+  })
+  attachments?: AttachmentDto[];
 }
 
 export class CreateSaleInvoiceDto extends CommandSaleInvoiceDto {}

packages/server-nest/src/modules/SaleInvoices/models/SaleInvoice.ts

@@ -13,7 +13,9 @@ import { ISearchRole } from '@/modules/DynamicListing/DynamicFilter/DynamicFilte
 import { TenantBaseModel } from '@/modules/System/models/TenantBaseModel';
 import { PaymentIntegrationTransactionLink } from '../SaleInvoice.types';
 import { TransactionPaymentServiceEntry } from '@/modules/PaymentServices/models/TransactionPaymentServiceEntry.model';
+import { InjectAttachable } from '@/modules/Attachments/decorators/InjectAttachable.decorator';
 
+@InjectAttachable()
 export class SaleInvoice extends TenantBaseModel{
   public taxAmountWithheld: number;
   public balance: number;

packages/server-nest/src/modules/SaleReceipts/commands/CreateSaleReceipt.service.ts

@@ -3,7 +3,6 @@ import { Knex } from 'knex';
 import {
   ISaleReceiptCreatedPayload,
   ISaleReceiptCreatingPayload,
-  ISaleReceiptDTO,
 } from '../types/SaleReceipts.types';
 import { SaleReceiptDTOTransformer } from './SaleReceiptDTOTransformer.service';
 import { SaleReceiptValidators } from './SaleReceiptValidators.service';

packages/server-nest/src/modules/SaleReceipts/types/SaleReceipts.types.ts

@@ -1,39 +1,21 @@
 import { Knex } from 'knex';
-// import { IItemEntry } from './ItemEntry';
-// import { CommonMailOptions, CommonMailOptionsDTO } from '../SaleInvoices/types/Mailable';
-import { AttachmentLinkDTO } from '../../Attachments/Attachments.types';
 import { SaleReceipt } from '../models/SaleReceipt';
 import { CommonMailOptionsDTO } from '@/modules/MailNotification/MailNotification.types';
 import { CommonMailOptions } from '@/modules/MailNotification/MailNotification.types';
 import { TenantJobPayload } from '@/interfaces/Tenant';
+import { CreateSaleReceiptDto, EditSaleReceiptDto } from '../dtos/SaleReceipt.dto';
 
 export interface ISalesReceiptsFilter {
   filterQuery?: (query: any) => void;
 }
 
-export interface ISaleReceiptDTO {
-  customerId: number;
-  exchangeRate?: number;
-  depositAccountId: number;
-  receiptDate: Date;
-  sendToEmail: string;
-  referenceNo?: string;
-  receiptNumber?: string;
-  receiptMessage: string;
-  statement: string;
-  closed: boolean;
-  entries: any[];
-  branchId?: number;
-  attachments?: AttachmentLinkDTO[];
-}
-
 export interface ISaleReceiptSmsDetails {
   customerName: string;
   customerPhoneNumber: string;
   smsMessage: string;
 }
 export interface ISaleReceiptCreatingPayload {
-  saleReceiptDTO: ISaleReceiptDTO;
+  saleReceiptDTO: CreateSaleReceiptDto;
   trx: Knex.Transaction;
 }
 
@@ -41,21 +23,20 @@ export interface ISaleReceiptCreatedPayload {
   // tenantId: number;
   saleReceipt: SaleReceipt;
   saleReceiptId: number;
-  saleReceiptDTO: ISaleReceiptDTO;
+  saleReceiptDTO: CreateSaleReceiptDto;
   trx: Knex.Transaction;
 }
 
 export interface ISaleReceiptEditedPayload {
   oldSaleReceipt: SaleReceipt;
   saleReceipt: SaleReceipt;
-  // saleReceiptId: number;
+  saleReceiptDTO: EditSaleReceiptDto;
-  saleReceiptDTO: ISaleReceiptDTO;
   trx: Knex.Transaction;
 }
 
 export interface ISaleReceiptEditingPayload {
   oldSaleReceipt: SaleReceipt;
-  saleReceiptDTO: ISaleReceiptDTO;
+  saleReceiptDTO: EditSaleReceiptDto;
   trx: Knex.Transaction;
 }
 export interface ISaleReceiptEventClosedPayload {

packages/server/src/services/Attachments/S3UploadPipeline.ts

@@ -15,7 +15,7 @@ export class AttachmentUploadPipeline {
    * @param res The HTTP response object.
    * @param next The callback to pass control to the next middleware function.
    */
-  public validateS3Configured(req: Request, res: Response, next: NextFunction) {
+  validateS3Configured(req: Request, res: Response, next: NextFunction) {
     if (
       !config.s3.region ||
       !config.s3.accessKeyId ||
@@ -42,6 +42,7 @@ export class AttachmentUploadPipeline {
         s3,
         bucket: config.s3.bucket,
         contentType: multerS3.AUTO_CONTENT_TYPE,
+
         metadata: function (req, file, cb) {
           cb(null, { fieldName: file.fieldname });
         },

pnpm-lock.yaml

@@ -547,6 +547,9 @@ importers:
       '@supercharge/promise-pool':
         specifier: ^3.2.0
         version: 3.2.0
+      '@types/multer':
+        specifier: ^1.4.11
+        version: 1.4.11
       '@types/nodemailer':
         specifier: ^6.4.17
         version: 6.4.17
@@ -631,6 +634,9 @@ importers:
       mathjs:
         specifier: ^9.4.0
         version: 9.5.2
+      mime-types:
+        specifier: ^2.1.35
+        version: 2.1.35
       moment:
         specifier: ^2.30.1
         version: 2.30.1
@@ -640,6 +646,12 @@ importers:
       moment-timezone:
         specifier: ^0.5.43
         version: 0.5.45
+      multer:
+        specifier: 1.4.5-lts.1
+        version: 1.4.5-lts.1
+      multer-s3:
+        specifier: ^3.0.1
+        version: 3.0.1(@aws-sdk/client-s3@3.583.0)
       mysql:
         specifier: ^2.18.1
         version: 2.18.1
@@ -12460,7 +12472,6 @@ packages:
     resolution: {integrity: sha512-svK240gr6LVWvv3YGyhLlA+6LRRWA4mnGIU7RcNmgjBYFl6665wcXrRfxGp5tEPVHUNm5FMcmq7too9bxCwX/w==}
     dependencies:
       '@types/express': 4.17.21
-    dev: true
 
   /@types/node-fetch@2.6.11:
     resolution: {integrity: sha512-24xFj9R5+rfQJLRyM56qh+wnVSYhyXC2tkoBndtY0U+vubqNsYXGjufB2nn8Q6gt0LrARwL6UBtMCSVCwl4B1g==}
@@ -12653,7 +12664,7 @@ packages:
   /@types/serve-index@1.9.4:
     resolution: {integrity: sha512-qLpGZ/c2fhSs5gnYsQxtDEq3Oy8SXPClIXkW5ghvAvsNuVSA8k+gCONcUCS/UjLEYvYps+e8uBtfgXgvhwfNug==}
     dependencies:
-      '@types/express': 4.17.21
+      '@types/express': 5.0.0
     dev: false
 
   /@types/serve-static@1.15.7: