BC-6070-Remove tldraw and column board on deletion scenario.

apps/server/src/apps/server.app.ts

@@ -4,15 +4,15 @@
 /* eslint-disable no-console */
 import { MikroORM } from '@mikro-orm/core';
 import { AccountService } from '@modules/account';
 import { AccountValidationService } from '@modules/account/services/account.validation.service';
 import { AccountUc } from '@modules/account/uc/account.uc';
 import { SystemRule } from '@modules/authorization/domain/rules';
 import { CollaborativeStorageUc } from '@modules/collaborative-storage/uc/collaborative-storage.uc';
 import { GroupService } from '@modules/group';
 import { FeathersRosterService } from '@modules/pseudonym';
 import { RocketChatService } from '@modules/rocketchat';
 import { ServerModule } from '@modules/server';
 import { TeamService } from '@modules/teams/service/team.service';
 import { NestFactory } from '@nestjs/core';
 import { ExpressAdapter } from '@nestjs/platform-express';
 import { enableOpenApiDocs } from '@shared/controller/swagger';
@@ -23,6 +23,7 @@
 // register source-map-support for debugging
 import { install as sourceMapInstall } from 'source-map-support';
 
+import { ColumnBoardService } from '@modules/board';
 import { AppStartLoggable } from './helpers/app-start-loggable';
 import {
 	addPrometheusMetricsMiddlewaresIfEnabled,
@@ -87,6 +88,8 @@
 	// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
 	feathersExpress.services['nest-group-service'] = nestApp.get(GroupService);
 	// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
+	feathersExpress.services['nest-column-board-service'] = nestApp.get(ColumnBoardService);
+	// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment,@typescript-eslint/no-unsafe-member-access
 	feathersExpress.services['nest-system-rule'] = nestApp.get(SystemRule);
 	// eslint-disable-next-line @typescript-eslint/no-unsafe-member-access,@typescript-eslint/no-unsafe-assignment
 	feathersExpress.services['nest-orm'] = orm;

apps/server/src/modules/board/service/column-board.service.spec.ts

@@ -67,12 +67,13 @@ describe(ColumnBoardService.name, () => {
 		const board = columnBoardFactory.build();
 		const boardId = board.id;
 		const column = columnFactory.build();
+		const courseId = new ObjectId().toHexString();
 		const externalReference: BoardExternalReference = {
-			id: new ObjectId().toHexString(),
+			id: courseId,
 			type: BoardExternalReferenceType.Course,
 		};
 
-		return { board, boardId, column, externalReference };
+		return { board, boardId, column, courseId, externalReference };
 	};
 
 	describe('findById', () => {
@@ -239,6 +240,28 @@ describe(ColumnBoardService.name, () => {
 		});
 	});
 
+	describe('deleteByCourseId', () => {
+		describe('when deleting by courseId', () => {
+			it('should call boardDoRepo.findIdsByExternalReference to find the board ids', async () => {
+				const { boardId, courseId, externalReference } = setup();
+
+				boardDoRepo.findIdsByExternalReference.mockResolvedValue([boardId]);
+
+				await service.deleteByCourseId(courseId);
+
+				expect(boardDoRepo.findIdsByExternalReference).toHaveBeenCalledWith(externalReference);
+			});
+
+			it('should call boardDoService.deleteWithDescendants to delete the board', async () => {
+				const { board, courseId } = setup();
+
+				await service.deleteByCourseId(courseId);
+
+				expect(boardDoService.deleteWithDescendants).toHaveBeenCalledWith(board);
+			});
+		});
+	});
+
 	describe('updateTitle', () => {
 		describe('when updating the title', () => {
 			it('should call the service', async () => {

apps/server/src/modules/board/service/column-board.service.ts

@@ -4,6 +4,7 @@ import { NotFoundLoggableException } from '@shared/common/loggable-exception';
 import {
 	AnyBoardDo,
 	BoardExternalReference,
+	BoardExternalReferenceType,
 	Card,
 	Column,
 	ColumnBoard,
@@ -73,6 +74,25 @@ export class ColumnBoardService {
 		await this.boardDoService.deleteWithDescendants(board);
 	}
 
+	async deleteByCourseId(courseId: EntityId): Promise<void> {
+		const columnBoardsId = await this.findIdsByExternalReference({
+			type: BoardExternalReferenceType.Course,
+			id: courseId,
+		});
+
+		const deletePromises = columnBoardsId.map((columnBoardId) => this.deleteColumnBoardById(columnBoardId));
+
+		await Promise.all(deletePromises);
+	}
+
+	private async deleteColumnBoardById(id: EntityId): Promise<void> {
+		const columnBoardToDeletion = await this.boardDoRepo.findByClassAndId(ColumnBoard, id);
+
+		if (columnBoardToDeletion) {
+			await this.boardDoService.deleteWithDescendants(columnBoardToDeletion);
+		}
+	}
+
 	async updateTitle(board: ColumnBoard, title: string): Promise<void> {
 		board.title = title;
 		await this.boardDoRepo.save(board);

src/services/user-group/hooks/courses.js

@@ -127,6 +127,11 @@ const deleteWholeClassFromCourse = (hook) => {
 		});
 };
 
+const removeColumnBoard = async (context) => {
+	const courseId = context.id;
+	await context.app.service('nest-column-board-service').deleteByCourseId(courseId);
+};
+
 /**
  * remove all substitution teacher which are also teachers
  * @param hook - contains and request body
@@ -185,6 +190,7 @@ const restrictChangesToArchivedCourse = async (context) => {
 module.exports = {
 	addWholeClassToCourse,
 	deleteWholeClassFromCourse,
+	removeColumnBoard,
 	removeSubstitutionDuplicates,
 	courseInviteHook,
 	patchPermissionHook,

src/services/user-group/services/courses.js

@@ -23,6 +23,7 @@ const restrictToUsersOwnCoursesIfNotLocal = ifNotLocal(restrictToUsersOwnCourses
 const {
 	addWholeClassToCourse,
 	deleteWholeClassFromCourse,
+	removeColumnBoard,
 	courseInviteHook,
 	patchPermissionHook,
 	restrictChangesToArchivedCourse,
@@ -134,7 +135,7 @@ const courseHooks = {
 		create: [addWholeClassToCourse],
 		update: [],
 		patch: [addWholeClassToCourse],
-		remove: [],
+		remove: [removeColumnBoard],
 	},
 };