feat: added get workspaces by user and some refactors

src/modules/task-manager/providers/workspace.service.ts

@@ -1,4 +1,4 @@
-import { Injectable, NotFoundException } from "@nestjs/common";
+import { BadRequestException, Injectable, NotFoundException } from "@nestjs/common";
 import { InjectRepository } from "@nestjs/typeorm";
 import { In, Repository } from "typeorm";
 import { WorkspaceRepository } from "../repositories/workspace.repository";
@@ -6,6 +6,7 @@ import { TMWorkspace } from "../entities/workspace.entity";
 import { CreateWorkspaceDto } from "../dto/workspace/create-workspace.dto";
 import { UpdateWorkspaceDto } from "../dto/workspace/update-workspace.dto";
 import { User } from "../../users/entities/user.entity";
+import { WorkSpaceMessage } from "../../../common/enums/message.enum";
 
 @Injectable()
 export class WorkspaceService {
@@ -16,11 +17,13 @@ export class WorkspaceService {
   ) {}
 
   findAll(): Promise<TMWorkspace[]> {
-    return this.workspaceRepository.findAll();
+    return this.workspaceRepository.find({
+      relations: ["projects", "users"],
+    });
   }
 
   async findOneOrFail(id: string): Promise<TMWorkspace> {
-    const workspace = await this.workspaceRepository.findOneById(id);
+    const workspace = await this.workspaceRepository.findOne({ where: { id } });
     if (!workspace) throw new NotFoundException(`Workspace #${id} not found`);
     return workspace;
   }
@@ -28,6 +31,11 @@ export class WorkspaceService {
   async create(dto: CreateWorkspaceDto): Promise<TMWorkspace> {
     const { userIds, ...rest } = dto;
 
+    const existingWorkspace = await this.workspaceRepository.findOne({where: {name: rest.name}});
+    if(existingWorkspace) {
+      throw new BadRequestException(WorkSpaceMessage.WORKSPACE_EXISTS);
+    }
+
     const workspace = this.workspaceRepository.create(rest);
 
     if (userIds?.length) {
@@ -56,4 +64,8 @@ export class WorkspaceService {
 
     return workspace;
   }
+
+  async findByUser(userId: string): Promise<TMWorkspace[]> {
+    return await this.workspaceRepository.findByUser(userId);
+  }
 }