feat: added getTaskDetail API

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

@@ -1,4 +1,4 @@
-import { BadRequestException, Injectable, NotFoundException } from "@nestjs/common";
+import { BadRequestException, ForbiddenException, Injectable, NotFoundException } from "@nestjs/common";
 import { InjectRepository } from "@nestjs/typeorm";
 import { In, Repository } from "typeorm";
 import { TaskRepository } from "../repositories/task.repository";
@@ -35,6 +35,7 @@ export class TaskService {
       where: { id },
       relations: {
         taskPhase: true,
+        users: true
       },
     });
     if (!task) throw new NotFoundException(TaskMessage.TASK_NOT_FOUND);
@@ -123,4 +124,14 @@ export class TaskService {
     await this.findOneOrFail(id);
     await this.taskRepository.delete(id);
   }
+
+  async getTaskDetail(userId: string, taskId: string): Promise<TMTask | null> {
+    const task = await this.findOneOrFail(taskId);
+
+    const isTaskMember = task.users.some((user) => user.id === userId);
+    if(!isTaskMember) throw new ForbiddenException(TaskMessage.USER_NOT_TASK_MEMBER);
+
+    const taskDetail = await this.taskRepository.getTaskDetail(taskId);
+    return taskDetail;
+  }
 }