db={"user":[{_id:ObjectId("625c053cfdd023e3713b297f"),email:"user1@yahoo.com",isAdmin:false,chats:[],blockedChats:[],feedback:[],plans:[],posts:[ObjectId("625c0577fdd023e3713b29c7"),ObjectId("625c0582fdd023e3713b29f5"),ObjectId("625c075f8f794ea1fcf6c6af"),ObjectId("625c4a742db74795a43d5243")],opportunities:[],username:"sam",createdAt:ISODate("2022-04-17T12:17:01.095Z"),updatedAt:ISODate("2022-04-17T17:12:20.341Z"),__v:4}],"post":[{_id:ObjectId("625c0577fdd023e3713b29c7"),postText:"hi this is sam\r\n",likes:[],likesCount:[],timePosted:ISODate("2022-04-17T12:09:05.535Z"),postImage:[],user:ObjectId("625c053cfdd023e3713b297f"),createdAt:ISODate("2022-04-01T00:00:00.00Z")},{_id:ObjectId("625c075f8f794ea1fcf6c6af"),postText:"it works !!!",likes:[],likesCount:[],timePosted:ISODate("2022-04-17T12:20:08.794Z"),postImage:[],user:ObjectId("625c053cfdd023e3713b297f"),createdAt:ISODate("2022-04-17T12:26:07.075Z"),updatedAt:ISODate("2022-04-17T12:26:07.075Z")}]}

db.user.aggregate([])