#95 clean up

planner-api/src/routers/copyTasks.ts

-import express,{Router, Request, Response,NextFunction } from 'express';
+import express,{Router, Request, Response } from 'express';
 import {Task} from '../models/Task';
 import {myDataSource} from '../app-data-source';
-import { User } from '../models/User';
-import { Member } from '../models/Member';
-import { In } from 'typeorm';
 import { DateTimeTask } from '../models/DateTimeTask';
-import { auth, authAuthorOrExecutorOfDateTimeTask, authAuthorOrExecutorOfTask } from '../helpers';
+import { auth, authAuthorOrExecutorOfDateTimeTask, authAuthorOrExecutorOfTask,taskFinderById } from '../helpers';
 const router:Router = express.Router();
 const dataSource = myDataSource;
 
-/**task finder by id, return one task */
-const taskFinderById = async (taskId:string):Promise<null | Task>=>{
-    const task = await dataSource
-    .getRepository(Task)
-    .findOne({
-        relations:{
-            executor:true,
-            author:true,
-            dateTimeTasks:true
-        },
-        where:{
-            id:taskId
-        }
-    })
-    
-    return task
-}
 
 /** make copy of task in calendar view */
 router.post("/make-copy",authAuthorOrExecutorOfTask, async(req:Request, res:Response):Promise<Response>=>{